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0 | static void ppc_cpu_unrealizefn(DeviceState *dev, Error **errp) { PowerPCCPU *cpu = POWERPC_CPU(dev); CPUPPCState *env = &cpu->env; int i; for (i = 0; i < PPC_CPU_OPCODES_LEN; i++) { if (env->opcodes[i] != &invalid_handler) { g_free(env->opcodes[i]); } } } | 15,194 |
0 | static void xen_exit_notifier(Notifier *n, void *data) { XenIOState *state = container_of(n, XenIOState, exit); xc_evtchn_close(state->xce_handle); xs_daemon_close(state->xenstore); } | 15,195 |
0 | static void avc_loopfilter_cb_or_cr_inter_edge_ver_msa(uint8_t *data, uint8_t bs0, uint8_t bs1, uint8_t bs2, uint8_t bs3, uint8_t tc0, uint8_t tc1, uint8_t tc2, uint8_t tc3, uint8_t alpha_in, uint8_t beta_in, uint32_t img_width) { uint8_t *src; uint16_t out0, out1, out2, out3; v16u8 alpha, beta; v16u8 p0_asub_q0, p1_asub_p0, q1_asub_q0; v16u8 is_less_than, is_less_than_beta, is_less_than_alpha; v16u8 p0, q0; v8i16 p0_r = { 0 }; v8i16 q0_r = { 0 }; v16u8 p1_org, p0_org, q0_org, q1_org; v8i16 p1_org_r, p0_org_r, q0_org_r, q1_org_r; v16u8 is_bs_greater_than0; v8i16 tc_r, negate_tc_r; v16i8 negate_tc, sign_negate_tc; v16i8 zero = { 0 }; v16u8 row0, row1, row2, row3, row4, row5, row6, row7; v8i16 tmp1, tmp_vec, bs = { 0 }; v8i16 tc = { 0 }; tmp_vec = (v8i16) __msa_fill_b(bs0); bs = __msa_insve_h(bs, 0, tmp_vec); tmp_vec = (v8i16) __msa_fill_b(bs1); bs = __msa_insve_h(bs, 1, tmp_vec); tmp_vec = (v8i16) __msa_fill_b(bs2); bs = __msa_insve_h(bs, 2, tmp_vec); tmp_vec = (v8i16) __msa_fill_b(bs3); bs = __msa_insve_h(bs, 3, tmp_vec); if (!__msa_test_bz_v((v16u8) bs)) { tmp_vec = (v8i16) __msa_fill_b(tc0); tc = __msa_insve_h(tc, 0, tmp_vec); tmp_vec = (v8i16) __msa_fill_b(tc1); tc = __msa_insve_h(tc, 1, tmp_vec); tmp_vec = (v8i16) __msa_fill_b(tc2); tc = __msa_insve_h(tc, 2, tmp_vec); tmp_vec = (v8i16) __msa_fill_b(tc3); tc = __msa_insve_h(tc, 3, tmp_vec); is_bs_greater_than0 = (v16u8) (zero < (v16i8) bs); LOAD_8VECS_UB((data - 2), img_width, row0, row1, row2, row3, row4, row5, row6, row7); TRANSPOSE8x4_B_UB(row0, row1, row2, row3, row4, row5, row6, row7, p1_org, p0_org, q0_org, q1_org); p0_asub_q0 = __msa_asub_u_b(p0_org, q0_org); p1_asub_p0 = __msa_asub_u_b(p1_org, p0_org); q1_asub_q0 = __msa_asub_u_b(q1_org, q0_org); alpha = (v16u8) __msa_fill_b(alpha_in); beta = (v16u8) __msa_fill_b(beta_in); is_less_than_alpha = (p0_asub_q0 < alpha); is_less_than_beta = (p1_asub_p0 < beta); is_less_than = is_less_than_beta & is_less_than_alpha; is_less_than_beta = (q1_asub_q0 < beta); is_less_than = is_less_than_beta & is_less_than; is_less_than = is_bs_greater_than0 & is_less_than; is_less_than = (v16u8) __msa_ilvr_d((v2i64) zero, (v2i64) is_less_than); if (!__msa_test_bz_v(is_less_than)) { p1_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) p1_org); p0_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) p0_org); q0_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) q0_org); q1_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) q1_org); negate_tc = zero - (v16i8) tc; sign_negate_tc = __msa_clti_s_b(negate_tc, 0); negate_tc_r = (v8i16) __msa_ilvr_b(sign_negate_tc, negate_tc); tc_r = (v8i16) __msa_ilvr_b(zero, (v16i8) tc); AVC_LOOP_FILTER_P0Q0(q0_org_r, p0_org_r, p1_org_r, q1_org_r, negate_tc_r, tc_r, p0_r, q0_r); p0 = (v16u8) __msa_pckev_b(zero, (v16i8) p0_r); q0 = (v16u8) __msa_pckev_b(zero, (v16i8) q0_r); p0_org = __msa_bmnz_v(p0_org, p0, is_less_than); q0_org = __msa_bmnz_v(q0_org, q0, is_less_than); tmp1 = (v8i16) __msa_ilvr_b((v16i8) q0_org, (v16i8) p0_org); src = data - 1; out0 = __msa_copy_u_h(tmp1, 0); out1 = __msa_copy_u_h(tmp1, 1); out2 = __msa_copy_u_h(tmp1, 2); out3 = __msa_copy_u_h(tmp1, 3); STORE_HWORD(src, out0); src += img_width; STORE_HWORD(src, out1); src += img_width; STORE_HWORD(src, out2); src += img_width; STORE_HWORD(src, out3); out0 = __msa_copy_u_h(tmp1, 4); out1 = __msa_copy_u_h(tmp1, 5); out2 = __msa_copy_u_h(tmp1, 6); out3 = __msa_copy_u_h(tmp1, 7); src += img_width; STORE_HWORD(src, out0); src += img_width; STORE_HWORD(src, out1); src += img_width; STORE_HWORD(src, out2); src += img_width; STORE_HWORD(src, out3); } } } | 15,196 |
0 | static int mov_write_header(AVFormatContext *s) { AVIOContext *pb = s->pb; MOVMuxContext *mov = s->priv_data; AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0); int i, ret, hint_track = 0, tmcd_track = 0; mov->fc = s; /* Default mode == MP4 */ mov->mode = MODE_MP4; if (s->oformat) { if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP; else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2; else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV; else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP; else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD; else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM; else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V; } if (s->flags & AVFMT_FLAG_BITEXACT) mov->exact = 1; if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) mov->flags |= FF_MOV_FLAG_EMPTY_MOOV; /* Set the FRAGMENT flag if any of the fragmentation methods are * enabled. */ if (mov->max_fragment_duration || mov->max_fragment_size || mov->flags & (FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_FRAG_KEYFRAME | FF_MOV_FLAG_FRAG_CUSTOM)) mov->flags |= FF_MOV_FLAG_FRAGMENT; /* Set other implicit flags immediately */ if (mov->mode == MODE_ISM) mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF | FF_MOV_FLAG_FRAGMENT; if (mov->flags & FF_MOV_FLAG_DASH) mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_DEFAULT_BASE_MOOF; if (mov->flags & FF_MOV_FLAG_FASTSTART) { mov->reserved_moov_size = -1; } if (mov->use_editlist < 0) { mov->use_editlist = 1; if (mov->flags & FF_MOV_FLAG_FRAGMENT && !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) { // If we can avoid needing an edit list by shifting the // tracks, prefer that over (trying to) write edit lists // in fragmented output. if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO || s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) mov->use_editlist = 0; } } if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist) av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n"); if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO) s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO; /* Clear the omit_tfhd_offset flag if default_base_moof is set; * if the latter is set that's enough and omit_tfhd_offset doesn't * add anything extra on top of that. */ if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET; if (mov->frag_interleave && mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) { av_log(s, AV_LOG_ERROR, "Sample interleaving in fragments is mutually exclusive with " "omit_tfhd_offset and separate_moof\n"); return AVERROR(EINVAL); } /* Non-seekable output is ok if using fragmentation. If ism_lookahead * is enabled, we don't support non-seekable output at all. */ if (!s->pb->seekable && (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) { av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n"); return AVERROR(EINVAL); } if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) { if ((ret = mov_write_identification(pb, s)) < 0) return ret; } mov->nb_streams = s->nb_streams; if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) mov->chapter_track = mov->nb_streams++; if (mov->flags & FF_MOV_FLAG_RTP_HINT) { /* Add hint tracks for each audio and video stream */ hint_track = mov->nb_streams; for (i = 0; i < s->nb_streams; i++) { AVStream *st = s->streams[i]; if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO || st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { mov->nb_streams++; } } } if (mov->mode == MODE_MOV) { tmcd_track = mov->nb_streams; /* +1 tmcd track for each video stream with a timecode */ for (i = 0; i < s->nb_streams; i++) { AVStream *st = s->streams[i]; if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0))) mov->nb_meta_tmcd++; } /* check if there is already a tmcd track to remux */ if (mov->nb_meta_tmcd) { for (i = 0; i < s->nb_streams; i++) { AVStream *st = s->streams[i]; if (st->codec->codec_tag == MKTAG('t','m','c','d')) { av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track " "so timecode metadata are now ignored\n"); mov->nb_meta_tmcd = 0; } } } mov->nb_streams += mov->nb_meta_tmcd; } // Reserve an extra stream for chapters for the case where chapters // are written in the trailer mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks)); if (!mov->tracks) return AVERROR(ENOMEM); for (i = 0; i < s->nb_streams; i++) { AVStream *st= s->streams[i]; MOVTrack *track= &mov->tracks[i]; AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0); track->st = st; track->enc = st->codec; track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV); if (track->language < 0) track->language = 0; track->mode = mov->mode; track->tag = mov_find_codec_tag(s, track); if (!track->tag) { av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, " "codec not currently supported in container\n", avcodec_get_name(st->codec->codec_id), i); ret = AVERROR(EINVAL); goto error; } /* If hinting of this track is enabled by a later hint track, * this is updated. */ track->hint_track = -1; track->start_dts = AV_NOPTS_VALUE; track->start_cts = AV_NOPTS_VALUE; track->end_pts = AV_NOPTS_VALUE; if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') || track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') || track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) { if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) { av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n"); ret = AVERROR(EINVAL); goto error; } track->height = track->tag >> 24 == 'n' ? 486 : 576; } if (mov->video_track_timescale) { track->timescale = mov->video_track_timescale; } else { track->timescale = st->time_base.den; while(track->timescale < 10000) track->timescale *= 2; } if (st->codec->width > 65535 || st->codec->height > 65535) { av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codec->width, st->codec->height); ret = AVERROR(EINVAL); goto error; } if (track->mode == MODE_MOV && track->timescale > 100000) av_log(s, AV_LOG_WARNING, "WARNING codec timebase is very high. If duration is too long,\n" "file may not be playable by quicktime. Specify a shorter timebase\n" "or choose different container.\n"); } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { track->timescale = st->codec->sample_rate; if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) { av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i); track->audio_vbr = 1; }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS || st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV || st->codec->codec_id == AV_CODEC_ID_ILBC){ if (!st->codec->block_align) { av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i); ret = AVERROR(EINVAL); goto error; } track->sample_size = st->codec->block_align; }else if (st->codec->frame_size > 1){ /* assume compressed audio */ track->audio_vbr = 1; }else{ track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels; } if (st->codec->codec_id == AV_CODEC_ID_ILBC || st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) { track->audio_vbr = 1; } if (track->mode != MODE_MOV && track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) { if (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL) { av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n", i, track->enc->sample_rate); ret = AVERROR(EINVAL); goto error; } else { av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n", i, track->enc->sample_rate); } } } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) { track->timescale = st->time_base.den; } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) { track->timescale = st->time_base.den; } else { track->timescale = MOV_TIMESCALE; } if (!track->height) track->height = st->codec->height; /* The ism specific timescale isn't mandatory, but is assumed by * some tools, such as mp4split. */ if (mov->mode == MODE_ISM) track->timescale = 10000000; avpriv_set_pts_info(st, 64, 1, track->timescale); /* copy extradata if it exists */ if (st->codec->extradata_size) { if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE) mov_create_dvd_sub_decoder_specific_info(track, st); else if (!TAG_IS_AVCI(track->tag) && st->codec->codec_id != AV_CODEC_ID_DNXHD) { track->vos_len = st->codec->extradata_size; track->vos_data = av_malloc(track->vos_len); if (!track->vos_data) { ret = AVERROR(ENOMEM); goto error; } memcpy(track->vos_data, st->codec->extradata, track->vos_len); } } } for (i = 0; i < s->nb_streams; i++) { int j; AVStream *st= s->streams[i]; MOVTrack *track= &mov->tracks[i]; if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO || track->enc->channel_layout != AV_CH_LAYOUT_MONO) continue; for (j = 0; j < s->nb_streams; j++) { AVStream *stj= s->streams[j]; MOVTrack *trackj= &mov->tracks[j]; if (j == i) continue; if (stj->codec->codec_type != AVMEDIA_TYPE_AUDIO || trackj->enc->channel_layout != AV_CH_LAYOUT_MONO || trackj->language != track->language || trackj->tag != track->tag ) continue; track->multichannel_as_mono++; } } enable_tracks(s); if (mov->reserved_moov_size){ mov->reserved_moov_pos= avio_tell(pb); if (mov->reserved_moov_size > 0) avio_skip(pb, mov->reserved_moov_size); } if (mov->flags & FF_MOV_FLAG_FRAGMENT) { /* If no fragmentation options have been set, set a default. */ if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME | FF_MOV_FLAG_FRAG_CUSTOM)) && !mov->max_fragment_duration && !mov->max_fragment_size) mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME; } else { if (mov->flags & FF_MOV_FLAG_FASTSTART) mov->reserved_moov_pos = avio_tell(pb); mov_write_mdat_tag(pb, mov); } if (t = av_dict_get(s->metadata, "creation_time", NULL, 0)) mov->time = ff_iso8601_to_unix_time(t->value); if (mov->time) mov->time += 0x7C25B080; // 1970 based -> 1904 based if (mov->chapter_track) if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0) goto error; if (mov->flags & FF_MOV_FLAG_RTP_HINT) { /* Initialize the hint tracks for each audio and video stream */ for (i = 0; i < s->nb_streams; i++) { AVStream *st = s->streams[i]; if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO || st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0) goto error; hint_track++; } } } if (mov->nb_meta_tmcd) { /* Initialize the tmcd tracks */ for (i = 0; i < s->nb_streams; i++) { AVStream *st = s->streams[i]; t = global_tcr; if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { if (!t) t = av_dict_get(st->metadata, "timecode", NULL, 0); if (!t) continue; if ((ret = mov_create_timecode_track(s, tmcd_track, i, t->value)) < 0) goto error; tmcd_track++; } } } avio_flush(pb); if (mov->flags & FF_MOV_FLAG_ISML) mov_write_isml_manifest(pb, mov); if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) { if ((ret = mov_write_moov_tag(pb, mov, s)) < 0) return ret; mov->moov_written = 1; if (mov->flags & FF_MOV_FLAG_FASTSTART) mov->reserved_moov_pos = avio_tell(pb); } return 0; error: mov_free(s); return ret; } | 15,197 |
1 | static int read_frame_data(ALSDecContext *ctx, unsigned int ra_frame) { ALSSpecificConfig *sconf = &ctx->sconf; AVCodecContext *avctx = ctx->avctx; GetBitContext *gb = &ctx->gb; unsigned int div_blocks[32]; ///< block sizes. unsigned int c; unsigned int js_blocks[2]; uint32_t bs_info = 0; int ret; // skip the size of the ra unit if present in the frame if (sconf->ra_flag == RA_FLAG_FRAMES && ra_frame) skip_bits_long(gb, 32); if (sconf->mc_coding && sconf->joint_stereo) { ctx->js_switch = get_bits1(gb); align_get_bits(gb); if (!sconf->mc_coding || ctx->js_switch) { int independent_bs = !sconf->joint_stereo; for (c = 0; c < avctx->channels; c++) { js_blocks[0] = 0; js_blocks[1] = 0; get_block_sizes(ctx, div_blocks, &bs_info); // if joint_stereo and block_switching is set, independent decoding // is signaled via the first bit of bs_info if (sconf->joint_stereo && sconf->block_switching) if (bs_info >> 31) independent_bs = 2; // if this is the last channel, it has to be decoded independently if (c == avctx->channels - 1) independent_bs = 1; if (independent_bs) { ret = decode_blocks_ind(ctx, ra_frame, c, div_blocks, js_blocks); if (ret < 0) return ret; independent_bs--; } else { ret = decode_blocks(ctx, ra_frame, c, div_blocks, js_blocks); if (ret < 0) return ret; c++; // store carryover raw samples memmove(ctx->raw_samples[c] - sconf->max_order, ctx->raw_samples[c] - sconf->max_order + sconf->frame_length, sizeof(*ctx->raw_samples[c]) * sconf->max_order); } else { // multi-channel coding ALSBlockData bd = { 0 }; int b, ret; int *reverted_channels = ctx->reverted_channels; unsigned int offset = 0; for (c = 0; c < avctx->channels; c++) if (ctx->chan_data[c] < ctx->chan_data_buffer) { av_log(ctx->avctx, AV_LOG_ERROR, "Invalid channel data.\n"); memset(reverted_channels, 0, sizeof(*reverted_channels) * avctx->channels); bd.ra_block = ra_frame; bd.prev_raw_samples = ctx->prev_raw_samples; get_block_sizes(ctx, div_blocks, &bs_info); for (b = 0; b < ctx->num_blocks; b++) { bd.block_length = div_blocks[b]; if (bd.block_length <= 0) { av_log(ctx->avctx, AV_LOG_WARNING, "Invalid block length %u in channel data!\n", bd.block_length); continue; for (c = 0; c < avctx->channels; c++) { bd.const_block = ctx->const_block + c; bd.shift_lsbs = ctx->shift_lsbs + c; bd.opt_order = ctx->opt_order + c; bd.store_prev_samples = ctx->store_prev_samples + c; bd.use_ltp = ctx->use_ltp + c; bd.ltp_lag = ctx->ltp_lag + c; bd.ltp_gain = ctx->ltp_gain[c]; bd.lpc_cof = ctx->lpc_cof[c]; bd.quant_cof = ctx->quant_cof[c]; bd.raw_samples = ctx->raw_samples[c] + offset; bd.raw_other = NULL; if ((ret = read_block(ctx, &bd)) < 0) return ret; if ((ret = read_channel_data(ctx, ctx->chan_data[c], c)) < 0) return ret; for (c = 0; c < avctx->channels; c++) { ret = revert_channel_correlation(ctx, &bd, ctx->chan_data, reverted_channels, offset, c); if (ret < 0) return ret; for (c = 0; c < avctx->channels; c++) { bd.const_block = ctx->const_block + c; bd.shift_lsbs = ctx->shift_lsbs + c; bd.opt_order = ctx->opt_order + c; bd.store_prev_samples = ctx->store_prev_samples + c; bd.use_ltp = ctx->use_ltp + c; bd.ltp_lag = ctx->ltp_lag + c; bd.ltp_gain = ctx->ltp_gain[c]; bd.lpc_cof = ctx->lpc_cof[c]; bd.quant_cof = ctx->quant_cof[c]; bd.raw_samples = ctx->raw_samples[c] + offset; if ((ret = decode_block(ctx, &bd)) < 0) return ret; memset(reverted_channels, 0, avctx->channels * sizeof(*reverted_channels)); offset += div_blocks[b]; bd.ra_block = 0; // store carryover raw samples for (c = 0; c < avctx->channels; c++) memmove(ctx->raw_samples[c] - sconf->max_order, ctx->raw_samples[c] - sconf->max_order + sconf->frame_length, sizeof(*ctx->raw_samples[c]) * sconf->max_order); // TODO: read_diff_float_data return 0; | 15,199 |
1 | int swr_resample(AVResampleContext *c, short *dst, const short *src, int *consumed, int src_size, int dst_size, int update_ctx){ int dst_index, i; int index= c->index; int frac= c->frac; int dst_incr_frac= c->dst_incr % c->src_incr; int dst_incr= c->dst_incr / c->src_incr; int compensation_distance= c->compensation_distance; if(compensation_distance == 0 && c->filter_length == 1 && c->phase_shift==0){ int64_t index2= ((int64_t)index)<<32; int64_t incr= (1LL<<32) * c->dst_incr / c->src_incr; dst_size= FFMIN(dst_size, (src_size-1-index) * (int64_t)c->src_incr / c->dst_incr); for(dst_index=0; dst_index < dst_size; dst_index++){ dst[dst_index] = src[index2>>32]; index2 += incr; } frac += dst_index * dst_incr_frac; index += dst_index * dst_incr; index += frac / c->src_incr; frac %= c->src_incr; }else{ for(dst_index=0; dst_index < dst_size; dst_index++){ FELEM *filter= c->filter_bank + c->filter_length*(index & c->phase_mask); int sample_index= index >> c->phase_shift; FELEM2 val=0; if(sample_index < 0){ for(i=0; i<c->filter_length; i++) val += src[FFABS(sample_index + i) % src_size] * filter[i]; }else if(sample_index + c->filter_length > src_size){ break; }else if(c->linear){ FELEM2 v2=0; for(i=0; i<c->filter_length; i++){ val += src[sample_index + i] * (FELEM2)filter[i]; v2 += src[sample_index + i] * (FELEM2)filter[i + c->filter_length]; } val+=(v2-val)*(FELEML)frac / c->src_incr; }else{ for(i=0; i<c->filter_length; i++){ val += src[sample_index + i] * (FELEM2)filter[i]; } } #ifdef CONFIG_RESAMPLE_AUDIOPHILE_KIDDY_MODE dst[dst_index] = av_clip_int16(lrintf(val)); #else val = (val + (1<<(FILTER_SHIFT-1)))>>FILTER_SHIFT; dst[dst_index] = (unsigned)(val + 32768) > 65535 ? (val>>31) ^ 32767 : val; #endif frac += dst_incr_frac; index += dst_incr; if(frac >= c->src_incr){ frac -= c->src_incr; index++; } if(dst_index + 1 == compensation_distance){ compensation_distance= 0; dst_incr_frac= c->ideal_dst_incr % c->src_incr; dst_incr= c->ideal_dst_incr / c->src_incr; } } } *consumed= FFMAX(index, 0) >> c->phase_shift; if(index>=0) index &= c->phase_mask; if(compensation_distance){ compensation_distance -= dst_index; assert(compensation_distance > 0); } if(update_ctx){ c->frac= frac; c->index= index; c->dst_incr= dst_incr_frac + c->src_incr*dst_incr; c->compensation_distance= compensation_distance; } #if 0 if(update_ctx && !c->compensation_distance){ #undef rand av_resample_compensate(c, rand() % (8000*2) - 8000, 8000*2); av_log(NULL, AV_LOG_DEBUG, "%d %d %d\n", c->dst_incr, c->ideal_dst_incr, c->compensation_distance); } #endif return dst_index; } | 15,200 |
1 | static void stm32f205_soc_realize(DeviceState *dev_soc, Error **errp) { STM32F205State *s = STM32F205_SOC(dev_soc); DeviceState *syscfgdev, *usartdev, *timerdev; SysBusDevice *syscfgbusdev, *usartbusdev, *timerbusdev; qemu_irq *pic; Error *err = NULL; int i; MemoryRegion *system_memory = get_system_memory(); MemoryRegion *sram = g_new(MemoryRegion, 1); MemoryRegion *flash = g_new(MemoryRegion, 1); MemoryRegion *flash_alias = g_new(MemoryRegion, 1); memory_region_init_ram(flash, NULL, "STM32F205.flash", FLASH_SIZE, &error_abort); memory_region_init_alias(flash_alias, NULL, "STM32F205.flash.alias", flash, 0, FLASH_SIZE); vmstate_register_ram_global(flash); memory_region_set_readonly(flash, true); memory_region_set_readonly(flash_alias, true); memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, flash); memory_region_add_subregion(system_memory, 0, flash_alias); memory_region_init_ram(sram, NULL, "STM32F205.sram", SRAM_SIZE, &error_abort); vmstate_register_ram_global(sram); memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, sram); pic = armv7m_init(get_system_memory(), FLASH_SIZE, 96, s->kernel_filename, s->cpu_model); /* System configuration controller */ syscfgdev = DEVICE(&s->syscfg); object_property_set_bool(OBJECT(&s->syscfg), true, "realized", &err); if (err != NULL) { error_propagate(errp, err); return; } syscfgbusdev = SYS_BUS_DEVICE(syscfgdev); sysbus_mmio_map(syscfgbusdev, 0, 0x40013800); sysbus_connect_irq(syscfgbusdev, 0, pic[71]); /* Attach UART (uses USART registers) and USART controllers */ for (i = 0; i < STM_NUM_USARTS; i++) { usartdev = DEVICE(&(s->usart[i])); object_property_set_bool(OBJECT(&s->usart[i]), true, "realized", &err); if (err != NULL) { error_propagate(errp, err); return; } usartbusdev = SYS_BUS_DEVICE(usartdev); sysbus_mmio_map(usartbusdev, 0, usart_addr[i]); sysbus_connect_irq(usartbusdev, 0, pic[usart_irq[i]]); } /* Timer 2 to 5 */ for (i = 0; i < STM_NUM_TIMERS; i++) { timerdev = DEVICE(&(s->timer[i])); qdev_prop_set_uint64(timerdev, "clock-frequency", 1000000000); object_property_set_bool(OBJECT(&s->timer[i]), true, "realized", &err); if (err != NULL) { error_propagate(errp, err); return; } timerbusdev = SYS_BUS_DEVICE(timerdev); sysbus_mmio_map(timerbusdev, 0, timer_addr[i]); sysbus_connect_irq(timerbusdev, 0, pic[timer_irq[i]]); } } | 15,202 |
1 | static int cmp_int(const void *p1, const void *p2) { int left = *(const int *)p1; int right = *(const int *)p2; return ((left > right) - (left < right)); } | 15,203 |
1 | static int parse_picture(AVFormatContext *s, uint8_t *buf, int buf_size) { const CodecMime *mime = ff_id3v2_mime_tags; enum CodecID id = CODEC_ID_NONE; uint8_t mimetype[64], *desc = NULL, *data = NULL; AVIOContext *pb = NULL; AVStream *st; int type, width, height; int len, ret = 0; st = avformat_new_stream(s, NULL); if (!st) return AVERROR(ENOMEM); pb = avio_alloc_context(buf, buf_size, 0, NULL, NULL, NULL, NULL); if (!pb) return AVERROR(ENOMEM); /* read the picture type */ type = avio_rb32(pb); if (type >= FF_ARRAY_ELEMS(ff_id3v2_picture_types) || type < 0) { av_log(s, AV_LOG_ERROR, "Invalid picture type: %d.\n", type); ret = AVERROR_INVALIDDATA; goto fail; } /* picture mimetype */ len = avio_rb32(pb); if (len <= 0 || avio_read(pb, mimetype, FFMIN(len, sizeof(mimetype) - 1)) != len) { av_log(s, AV_LOG_ERROR, "Could not read mimetype from an attached " "picture.\n"); ret = AVERROR_INVALIDDATA; goto fail; } mimetype[len] = 0; while (mime->id != CODEC_ID_NONE) { if (!strncmp(mime->str, mimetype, sizeof(mimetype))) { id = mime->id; break; } mime++; } if (id == CODEC_ID_NONE) { av_log(s, AV_LOG_ERROR, "Unknown attached picture mimetype: %s.\n", mimetype); ret = AVERROR_INVALIDDATA; goto fail; } /* picture description */ len = avio_rb32(pb); if (len > 0) { if (!(desc = av_malloc(len + 1))) { ret = AVERROR(ENOMEM); goto fail; } if (avio_read(pb, desc, len) != len) { ret = AVERROR(EIO); goto fail; } desc[len] = 0; } /* picture metadata */ width = avio_rb32(pb); height = avio_rb32(pb); avio_skip(pb, 8); /* picture data */ len = avio_rb32(pb); if (len <= 0) { ret = AVERROR_INVALIDDATA; goto fail; } if (!(data = av_malloc(len))) { ret = AVERROR(ENOMEM); goto fail; } if (avio_read(pb, data, len) != len) { ret = AVERROR(EIO); goto fail; } av_init_packet(&st->attached_pic); st->attached_pic.data = data; st->attached_pic.size = len; st->attached_pic.destruct = av_destruct_packet; st->attached_pic.stream_index = st->index; st->attached_pic.flags |= AV_PKT_FLAG_KEY; st->disposition |= AV_DISPOSITION_ATTACHED_PIC; st->codec->codec_type = AVMEDIA_TYPE_VIDEO; st->codec->codec_id = id; st->codec->width = width; st->codec->height = height; av_dict_set(&st->metadata, "comment", ff_id3v2_picture_types[type], 0); if (desc) av_dict_set(&st->metadata, "title", desc, AV_DICT_DONT_STRDUP_VAL); av_freep(&pb); return 0; fail: av_freep(&desc); av_freep(&data); av_freep(&pb); return ret; } | 15,205 |
1 | void aio_context_set_poll_params(AioContext *ctx, int64_t max_ns, Error **errp) { error_setg(errp, "AioContext polling is not implemented on Windows"); } | 15,207 |
1 | static void host_memory_backend_set_prealloc(Object *obj, bool value, Error **errp) { Error *local_err = NULL; HostMemoryBackend *backend = MEMORY_BACKEND(obj); if (backend->force_prealloc) { if (value) { error_setg(errp, "remove -mem-prealloc to use the prealloc property"); return; } } if (!memory_region_size(&backend->mr)) { backend->prealloc = value; return; } if (value && !backend->prealloc) { int fd = memory_region_get_fd(&backend->mr); void *ptr = memory_region_get_ram_ptr(&backend->mr); uint64_t sz = memory_region_size(&backend->mr); os_mem_prealloc(fd, ptr, sz, &local_err); if (local_err) { error_propagate(errp, local_err); return; } backend->prealloc = true; } } | 15,208 |
1 | void ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt, int (*compare)(AVFormatContext *, AVPacket *, AVPacket *)) { AVPacketList **next_point, *this_pktl; this_pktl = av_mallocz(sizeof(AVPacketList)); this_pktl->pkt= *pkt; pkt->destruct= NULL; // do not free original but only the copy av_dup_packet(&this_pktl->pkt); // duplicate the packet if it uses non-alloced memory if(s->streams[pkt->stream_index]->last_in_packet_buffer){ next_point = &(s->streams[pkt->stream_index]->last_in_packet_buffer->next); }else next_point = &s->packet_buffer; if(*next_point){ if(compare(s, &s->packet_buffer_end->pkt, pkt)){ while(!compare(s, &(*next_point)->pkt, pkt)){ next_point= &(*next_point)->next; } goto next_non_null; }else{ next_point = &(s->packet_buffer_end->next); } } assert(!*next_point); s->packet_buffer_end= this_pktl; next_non_null: this_pktl->next= *next_point; s->streams[pkt->stream_index]->last_in_packet_buffer= *next_point= this_pktl; } | 15,210 |
1 | static void read_partition(uint8_t *p, struct partition_record *r) { r->bootable = p[0]; r->start_head = p[1]; r->start_cylinder = p[3] | ((p[2] << 2) & 0x0300); r->start_sector = p[2] & 0x3f; r->system = p[4]; r->end_head = p[5]; r->end_cylinder = p[7] | ((p[6] << 2) & 0x300); r->end_sector = p[6] & 0x3f; r->start_sector_abs = p[8] | p[9] << 8 | p[10] << 16 | p[11] << 24; r->nb_sectors_abs = p[12] | p[13] << 8 | p[14] << 16 | p[15] << 24; } | 15,211 |
1 | static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { AVFrame *frame = data; DxaDecContext * const c = avctx->priv_data; uint8_t *outptr, *srcptr, *tmpptr; unsigned long dsize; int i, j, compr, ret; int stride; int pc = 0; GetByteContext gb; bytestream2_init(&gb, avpkt->data, avpkt->size); /* make the palette available on the way out */ if (bytestream2_peek_le32(&gb) == MKTAG('C','M','A','P')) { bytestream2_skip(&gb, 4); for(i = 0; i < 256; i++){ c->pal[i] = 0xFFU << 24 | bytestream2_get_be24(&gb); } pc = 1; } if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0) return ret; memcpy(frame->data[1], c->pal, AVPALETTE_SIZE); frame->palette_has_changed = pc; outptr = frame->data[0]; srcptr = c->decomp_buf; tmpptr = c->prev->data[0]; stride = frame->linesize[0]; if (bytestream2_get_le32(&gb) == MKTAG('N','U','L','L')) compr = -1; else compr = bytestream2_get_byte(&gb); dsize = c->dsize; if (compr != 4 && compr != -1) { bytestream2_skip(&gb, 4); if (uncompress(c->decomp_buf, &dsize, avpkt->data + bytestream2_tell(&gb), bytestream2_get_bytes_left(&gb)) != Z_OK) { av_log(avctx, AV_LOG_ERROR, "Uncompress failed!\n"); return AVERROR_UNKNOWN; } memset(c->decomp_buf + dsize, 0, DECOMP_BUF_PADDING); } if (avctx->debug & FF_DEBUG_PICT_INFO) av_log(avctx, AV_LOG_DEBUG, "compr:%2d, dsize:%d\n", compr, (int)dsize); switch(compr){ case -1: frame->key_frame = 0; frame->pict_type = AV_PICTURE_TYPE_P; if (c->prev->data[0]) memcpy(frame->data[0], c->prev->data[0], frame->linesize[0] * avctx->height); else{ // Should happen only when first frame is 'NULL' memset(frame->data[0], 0, frame->linesize[0] * avctx->height); frame->key_frame = 1; frame->pict_type = AV_PICTURE_TYPE_I; } break; case 2: case 4: frame->key_frame = 1; frame->pict_type = AV_PICTURE_TYPE_I; for (j = 0; j < avctx->height; j++) { memcpy(outptr, srcptr, avctx->width); outptr += stride; srcptr += avctx->width; } break; case 3: case 5: if (!tmpptr) { av_log(avctx, AV_LOG_ERROR, "Missing reference frame.\n"); if (!(avctx->flags2 & CODEC_FLAG2_SHOW_ALL)) return AVERROR_INVALIDDATA; } frame->key_frame = 0; frame->pict_type = AV_PICTURE_TYPE_P; for (j = 0; j < avctx->height; j++) { if(tmpptr){ for(i = 0; i < avctx->width; i++) outptr[i] = srcptr[i] ^ tmpptr[i]; tmpptr += stride; }else memcpy(outptr, srcptr, avctx->width); outptr += stride; srcptr += avctx->width; } break; case 12: // ScummVM coding case 13: frame->key_frame = 0; frame->pict_type = AV_PICTURE_TYPE_P; if (!c->prev->data[0]) { av_log(avctx, AV_LOG_ERROR, "Missing reference frame\n"); return AVERROR_INVALIDDATA; } decode_13(avctx, c, frame->data[0], frame->linesize[0], srcptr, c->prev->data[0]); break; default: av_log(avctx, AV_LOG_ERROR, "Unknown/unsupported compression type %d\n", compr); return AVERROR_INVALIDDATA; } av_frame_unref(c->prev); if ((ret = av_frame_ref(c->prev, frame)) < 0) return ret; *got_frame = 1; /* always report that the buffer was completely consumed */ return avpkt->size; } | 15,212 |
1 | static void virtio_gpu_resource_destroy(VirtIOGPU *g, struct virtio_gpu_simple_resource *res) { pixman_image_unref(res->image); QTAILQ_REMOVE(&g->reslist, res, next); g->hostmem -= res->hostmem; g_free(res); } | 15,213 |
1 | void virtio_save(VirtIODevice *vdev, QEMUFile *f) { BusState *qbus = qdev_get_parent_bus(DEVICE(vdev)); VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus); VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev); uint32_t guest_features_lo = (vdev->guest_features & 0xffffffff); int i; if (k->save_config) { k->save_config(qbus->parent, f); } qemu_put_8s(f, &vdev->status); qemu_put_8s(f, &vdev->isr); qemu_put_be16s(f, &vdev->queue_sel); qemu_put_be32s(f, &guest_features_lo); qemu_put_be32(f, vdev->config_len); qemu_put_buffer(f, vdev->config, vdev->config_len); for (i = 0; i < VIRTIO_QUEUE_MAX; i++) { if (vdev->vq[i].vring.num == 0) break; } qemu_put_be32(f, i); for (i = 0; i < VIRTIO_QUEUE_MAX; i++) { if (vdev->vq[i].vring.num == 0) break; qemu_put_be32(f, vdev->vq[i].vring.num); if (k->has_variable_vring_alignment) { qemu_put_be32(f, vdev->vq[i].vring.align); } /* XXX virtio-1 devices */ qemu_put_be64(f, vdev->vq[i].vring.desc); qemu_put_be16s(f, &vdev->vq[i].last_avail_idx); if (k->save_queue) { k->save_queue(qbus->parent, i, f); } } if (vdc->save != NULL) { vdc->save(vdev, f); } if (vdc->vmsd) { vmstate_save_state(f, vdc->vmsd, vdev, NULL); } /* Subsections */ vmstate_save_state(f, &vmstate_virtio, vdev, NULL); } | 15,214 |
1 | static void virtio_blk_dma_restart_cb(void *opaque, int running, RunState state) { VirtIOBlock *s = opaque; if (!running) return; if (!s->bh) { s->bh = qemu_bh_new(virtio_blk_dma_restart_bh, s); qemu_bh_schedule(s->bh); } } | 15,215 |
1 | static char *json_escape_str(const char *s) { static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0}; static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0}; char *ret, *p; int i, len = 0; // compute the length of the escaped string for (i = 0; s[i]; i++) { if (strchr(json_escape, s[i])) len += 2; // simple escape else if ((unsigned char)s[i] < 32) len += 6; // handle non-printable chars else len += 1; // char copy } p = ret = av_malloc(len + 1); if (!p) return NULL; for (i = 0; s[i]; i++) { char *q = strchr(json_escape, s[i]); if (q) { *p++ = '\\'; *p++ = json_subst[q - json_escape]; } else if ((unsigned char)s[i] < 32) { snprintf(p, 7, "\\u00%02x", s[i] & 0xff); p += 6; } else { *p++ = s[i]; } } *p = 0; return ret; } | 15,216 |
0 | static int gif_image_write_header(ByteIOContext *pb, int width, int height, uint32_t *palette) { int i; unsigned int v; put_tag(pb, "GIF"); put_tag(pb, "89a"); put_le16(pb, width); put_le16(pb, height); put_byte(pb, 0xf7); /* flags: global clut, 256 entries */ put_byte(pb, 0x1f); /* background color index */ put_byte(pb, 0); /* aspect ratio */ /* the global palette */ if (!palette) { put_buffer(pb, (unsigned char *)gif_clut, 216*3); for(i=0;i<((256-216)*3);i++) put_byte(pb, 0); } else { for(i=0;i<256;i++) { v = palette[i]; put_byte(pb, (v >> 16) & 0xff); put_byte(pb, (v >> 8) & 0xff); put_byte(pb, (v) & 0xff); } } /* application extension header */ /* XXX: not really sure what to put in here... */ #ifdef GIF_ADD_APP_HEADER put_byte(pb, 0x21); put_byte(pb, 0xff); put_byte(pb, 0x0b); put_tag(pb, "NETSCAPE2.0"); put_byte(pb, 0x03); put_byte(pb, 0x01); put_byte(pb, 0x00); put_byte(pb, 0x00); #endif return 0; } | 15,218 |
0 | static int rscc_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { RsccContext *ctx = avctx->priv_data; GetByteContext *gbc = &ctx->gbc; GetByteContext tiles_gbc; AVFrame *frame = data; const uint8_t *pixels, *raw; uint8_t *inflated_tiles = NULL; int tiles_nb, packed_size, pixel_size = 0; int i, ret = 0; bytestream2_init(gbc, avpkt->data, avpkt->size); /* Size check */ if (bytestream2_get_bytes_left(gbc) < 12) { av_log(avctx, AV_LOG_ERROR, "Packet too small (%d)\n", avpkt->size); return AVERROR_INVALIDDATA; } /* Read number of tiles, and allocate the array */ tiles_nb = bytestream2_get_le16(gbc); av_fast_malloc(&ctx->tiles, &ctx->tiles_size, tiles_nb * sizeof(*ctx->tiles)); if (!ctx->tiles) { ret = AVERROR(ENOMEM); goto end; } av_log(avctx, AV_LOG_DEBUG, "Frame with %d tiles.\n", tiles_nb); /* When there are more than 5 tiles, they are packed together with * a size header. When that size does not match the number of tiles * times the tile size, it means it needs to be inflated as well */ if (tiles_nb > 5) { uLongf packed_tiles_size; if (tiles_nb < 32) packed_tiles_size = bytestream2_get_byte(gbc); else packed_tiles_size = bytestream2_get_le16(gbc); ff_dlog(avctx, "packed tiles of size %lu.\n", packed_tiles_size); /* If necessary, uncompress tiles, and hijack the bytestream reader */ if (packed_tiles_size != tiles_nb * TILE_SIZE) { uLongf length = tiles_nb * TILE_SIZE; inflated_tiles = av_malloc(length); if (!inflated_tiles) { ret = AVERROR(ENOMEM); goto end; } ret = uncompress(inflated_tiles, &length, gbc->buffer, packed_tiles_size); if (ret) { av_log(avctx, AV_LOG_ERROR, "Tile deflate error %d.\n", ret); ret = AVERROR_UNKNOWN; goto end; } /* Skip the compressed tile section in the main byte reader, * and point it to read the newly uncompressed data */ bytestream2_skip(gbc, packed_tiles_size); bytestream2_init(&tiles_gbc, inflated_tiles, length); gbc = &tiles_gbc; } } /* Fill in array of tiles, keeping track of how many pixels are updated */ for (i = 0; i < tiles_nb; i++) { ctx->tiles[i].x = bytestream2_get_le16(gbc); ctx->tiles[i].w = bytestream2_get_le16(gbc); ctx->tiles[i].y = bytestream2_get_le16(gbc); ctx->tiles[i].h = bytestream2_get_le16(gbc); pixel_size += ctx->tiles[i].w * ctx->tiles[i].h * ctx->component_size; ff_dlog(avctx, "tile %d orig(%d,%d) %dx%d.\n", i, ctx->tiles[i].x, ctx->tiles[i].y, ctx->tiles[i].w, ctx->tiles[i].h); if (ctx->tiles[i].w == 0 || ctx->tiles[i].h == 0) { av_log(avctx, AV_LOG_ERROR, "invalid tile %d at (%d.%d) with size %dx%d.\n", i, ctx->tiles[i].x, ctx->tiles[i].y, ctx->tiles[i].w, ctx->tiles[i].h); ret = AVERROR_INVALIDDATA; goto end; } else if (ctx->tiles[i].x + ctx->tiles[i].w > avctx->width || ctx->tiles[i].y + ctx->tiles[i].h > avctx->height) { av_log(avctx, AV_LOG_ERROR, "out of bounds tile %d at (%d.%d) with size %dx%d.\n", i, ctx->tiles[i].x, ctx->tiles[i].y, ctx->tiles[i].w, ctx->tiles[i].h); ret = AVERROR_INVALIDDATA; goto end; } } /* Reset the reader in case it had been modified before */ gbc = &ctx->gbc; /* Extract how much pixel data the tiles contain */ if (pixel_size < 0x100) packed_size = bytestream2_get_byte(gbc); else if (pixel_size < 0x10000) packed_size = bytestream2_get_le16(gbc); else if (pixel_size < 0x1000000) packed_size = bytestream2_get_le24(gbc); else packed_size = bytestream2_get_le32(gbc); ff_dlog(avctx, "pixel_size %d packed_size %d.\n", pixel_size, packed_size); if (packed_size < 0) { av_log(avctx, AV_LOG_ERROR, "Invalid tile size %d\n", packed_size); ret = AVERROR_INVALIDDATA; goto end; } /* Get pixels buffer, it may be deflated or just raw */ if (pixel_size == packed_size) { if (bytestream2_get_bytes_left(gbc) < pixel_size) { av_log(avctx, AV_LOG_ERROR, "Insufficient input for %d\n", pixel_size); ret = AVERROR_INVALIDDATA; goto end; } pixels = gbc->buffer; } else { uLongf len = ctx->inflated_size; if (bytestream2_get_bytes_left(gbc) < packed_size) { av_log(avctx, AV_LOG_ERROR, "Insufficient input for %d\n", packed_size); ret = AVERROR_INVALIDDATA; goto end; } ret = uncompress(ctx->inflated_buf, &len, gbc->buffer, packed_size); if (ret) { av_log(avctx, AV_LOG_ERROR, "Pixel deflate error %d.\n", ret); ret = AVERROR_UNKNOWN; goto end; } pixels = ctx->inflated_buf; } /* Allocate when needed */ ret = ff_reget_buffer(avctx, ctx->reference); if (ret < 0) goto end; /* Pointer to actual pixels, will be updated when data is consumed */ raw = pixels; for (i = 0; i < tiles_nb; i++) { uint8_t *dst = ctx->reference->data[0] + ctx->reference->linesize[0] * (avctx->height - ctx->tiles[i].y - 1) + ctx->tiles[i].x * ctx->component_size; av_image_copy_plane(dst, -1 * ctx->reference->linesize[0], raw, ctx->tiles[i].w * ctx->component_size, ctx->tiles[i].w * ctx->component_size, ctx->tiles[i].h); raw += ctx->tiles[i].w * ctx->component_size * ctx->tiles[i].h; } /* Frame is ready to be output */ ret = av_frame_ref(frame, ctx->reference); if (ret < 0) goto end; /* Keyframe when the number of pixels updated matches the whole surface */ if (pixel_size == ctx->inflated_size) { frame->pict_type = AV_PICTURE_TYPE_I; frame->key_frame = 1; } else { frame->pict_type = AV_PICTURE_TYPE_P; } if (avctx->pix_fmt == AV_PIX_FMT_PAL8) { const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL); if (pal) { frame->palette_has_changed = 1; memcpy(ctx->pal, pal, AVPALETTE_SIZE); } memcpy (frame->data[1], ctx->pal, AVPALETTE_SIZE); } *got_frame = 1; end: av_free(inflated_tiles); return ret; } | 15,220 |
0 | static int parse_frame_header(DCACoreDecoder *s) { DCACoreFrameHeader h = { 0 }; int err = avpriv_dca_parse_core_frame_header(&s->gb, &h); if (err < 0) { switch (err) { case DCA_PARSE_ERROR_DEFICIT_SAMPLES: av_log(s->avctx, AV_LOG_ERROR, "Deficit samples are not supported\n"); return h.normal_frame ? AVERROR_INVALIDDATA : AVERROR_PATCHWELCOME; case DCA_PARSE_ERROR_PCM_BLOCKS: av_log(s->avctx, AV_LOG_ERROR, "Unsupported number of PCM sample blocks (%d)\n", h.npcmblocks); return (h.npcmblocks < 6 || h.normal_frame) ? AVERROR_INVALIDDATA : AVERROR_PATCHWELCOME; case DCA_PARSE_ERROR_FRAME_SIZE: av_log(s->avctx, AV_LOG_ERROR, "Invalid core frame size (%d bytes)\n", h.frame_size); return AVERROR_INVALIDDATA; case DCA_PARSE_ERROR_AMODE: av_log(s->avctx, AV_LOG_ERROR, "Unsupported audio channel arrangement (%d)\n", h.audio_mode); return AVERROR_PATCHWELCOME; case DCA_PARSE_ERROR_SAMPLE_RATE: av_log(s->avctx, AV_LOG_ERROR, "Invalid core audio sampling frequency\n"); return AVERROR_INVALIDDATA; case DCA_PARSE_ERROR_RESERVED_BIT: av_log(s->avctx, AV_LOG_ERROR, "Reserved bit set\n"); return AVERROR_INVALIDDATA; case DCA_PARSE_ERROR_LFE_FLAG: av_log(s->avctx, AV_LOG_ERROR, "Invalid low frequency effects flag\n"); return AVERROR_INVALIDDATA; case DCA_PARSE_ERROR_PCM_RES: av_log(s->avctx, AV_LOG_ERROR, "Invalid source PCM resolution\n"); return AVERROR_INVALIDDATA; default: av_log(s->avctx, AV_LOG_ERROR, "Unknown core frame header error\n"); return AVERROR_INVALIDDATA; } } s->crc_present = h.crc_present; s->npcmblocks = h.npcmblocks; s->frame_size = h.frame_size; s->audio_mode = h.audio_mode; s->sample_rate = avpriv_dca_sample_rates[h.sr_code]; s->bit_rate = ff_dca_bit_rates[h.br_code]; s->drc_present = h.drc_present; s->ts_present = h.ts_present; s->aux_present = h.aux_present; s->ext_audio_type = h.ext_audio_type; s->ext_audio_present = h.ext_audio_present; s->sync_ssf = h.sync_ssf; s->lfe_present = h.lfe_present; s->predictor_history = h.predictor_history; s->filter_perfect = h.filter_perfect; s->source_pcm_res = ff_dca_bits_per_sample[h.pcmr_code]; s->es_format = h.pcmr_code & 1; s->sumdiff_front = h.sumdiff_front; s->sumdiff_surround = h.sumdiff_surround; return 0; } | 15,221 |
0 | static int insert_trim(OutputStream *ost, AVFilterContext **last_filter, int *pad_idx) { OutputFile *of = output_files[ost->file_index]; AVFilterGraph *graph = (*last_filter)->graph; AVFilterContext *ctx; const AVFilter *trim; const char *name = ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO ? "trim" : "atrim"; char filter_name[128]; int ret = 0; if (of->recording_time == INT64_MAX && !of->start_time) return 0; trim = avfilter_get_by_name(name); if (!trim) { av_log(NULL, AV_LOG_ERROR, "%s filter not present, cannot limit " "recording time.\n", name); return AVERROR_FILTER_NOT_FOUND; } snprintf(filter_name, sizeof(filter_name), "%s for output stream %d:%d", name, ost->file_index, ost->index); ctx = avfilter_graph_alloc_filter(graph, trim, filter_name); if (!ctx) return AVERROR(ENOMEM); if (of->recording_time != INT64_MAX) { ret = av_opt_set_double(ctx, "duration", (double)of->recording_time / 1e6, AV_OPT_SEARCH_CHILDREN); } if (ret >= 0 && of->start_time) { ret = av_opt_set_double(ctx, "start", (double)of->start_time / 1e6, AV_OPT_SEARCH_CHILDREN); } if (ret < 0) { av_log(ctx, AV_LOG_ERROR, "Error configuring the %s filter", name); return ret; } ret = avfilter_init_str(ctx, NULL); if (ret < 0) return ret; ret = avfilter_link(*last_filter, *pad_idx, ctx, 0); if (ret < 0) return ret; *last_filter = ctx; *pad_idx = 0; return 0; } | 15,223 |
0 | static int add_doubles_metadata(const uint8_t **buf, int count, const char *name, const char *sep, TiffContext *s) { char *ap; int i; double *dp = av_malloc(count * sizeof(double)); if (!dp) return AVERROR(ENOMEM); for (i = 0; i < count; i++) dp[i] = tget_double(buf, s->le); ap = doubles2str(dp, count, sep); av_freep(&dp); if (!ap) return AVERROR(ENOMEM); av_dict_set(&s->picture.metadata, name, ap, AV_DICT_DONT_STRDUP_VAL); return 0; } | 15,224 |
1 | static inline int onenand_load_spare(OneNANDState *s, int sec, int secn, void *dest) { uint8_t buf[512]; if (s->blk_cur) { if (blk_read(s->blk_cur, s->secs_cur + (sec >> 5), buf, 1) < 0) { return 1; } memcpy(dest, buf + ((sec & 31) << 4), secn << 4); } else if (sec + secn > s->secs_cur) { return 1; } else { memcpy(dest, s->current + (s->secs_cur << 9) + (sec << 4), secn << 4); } return 0; } | 15,228 |
1 | X264_init(AVCodecContext *avctx) { X264Context *x4 = avctx->priv_data; x264_param_default(&x4->params); x4->params.pf_log = X264_log; x4->params.p_log_private = avctx; x4->params.i_keyint_max = avctx->gop_size; x4->params.rc.i_bitrate = avctx->bit_rate / 1000; x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000; x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000; x4->params.rc.b_stat_write = avctx->flags & CODEC_FLAG_PASS1; if(avctx->flags & CODEC_FLAG_PASS2) x4->params.rc.b_stat_read = 1; else{ if(avctx->crf){ x4->params.rc.i_rc_method = X264_RC_CRF; x4->params.rc.f_rf_constant = avctx->crf; }else if(avctx->cqp > -1){ x4->params.rc.i_rc_method = X264_RC_CQP; x4->params.rc.i_qp_constant = avctx->cqp; } } // if neither crf nor cqp modes are selected we have to enable the RC // we do it this way because we cannot check if the bitrate has been set if(!(avctx->crf || (avctx->cqp > -1))) x4->params.rc.i_rc_method = X264_RC_ABR; x4->params.i_bframe = avctx->max_b_frames; x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC; x4->params.b_bframe_adaptive = avctx->b_frame_strategy; x4->params.i_bframe_bias = avctx->bframebias; x4->params.b_bframe_pyramid = avctx->flags2 & CODEC_FLAG2_BPYRAMID; avctx->has_b_frames= avctx->flags2 & CODEC_FLAG2_BPYRAMID ? 2 : !!avctx->max_b_frames; x4->params.i_keyint_min = avctx->keyint_min; if(x4->params.i_keyint_min > x4->params.i_keyint_max) x4->params.i_keyint_min = x4->params.i_keyint_max; x4->params.i_scenecut_threshold = avctx->scenechange_threshold; x4->params.b_deblocking_filter = avctx->flags & CODEC_FLAG_LOOP_FILTER; x4->params.i_deblocking_filter_alphac0 = avctx->deblockalpha; x4->params.i_deblocking_filter_beta = avctx->deblockbeta; x4->params.rc.i_qp_min = avctx->qmin; x4->params.rc.i_qp_max = avctx->qmax; x4->params.rc.i_qp_step = avctx->max_qdiff; x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */ x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */ x4->params.rc.f_complexity_blur = avctx->complexityblur; x4->params.i_frame_reference = avctx->refs; x4->params.i_width = avctx->width; x4->params.i_height = avctx->height; x4->params.vui.i_sar_width = avctx->sample_aspect_ratio.num; x4->params.vui.i_sar_height = avctx->sample_aspect_ratio.den; x4->params.i_fps_num = avctx->time_base.den; x4->params.i_fps_den = avctx->time_base.num; x4->params.analyse.inter = 0; if(avctx->partitions){ if(avctx->partitions & X264_PART_I4X4) x4->params.analyse.inter |= X264_ANALYSE_I4x4; if(avctx->partitions & X264_PART_I8X8) x4->params.analyse.inter |= X264_ANALYSE_I8x8; if(avctx->partitions & X264_PART_P8X8) x4->params.analyse.inter |= X264_ANALYSE_PSUB16x16; if(avctx->partitions & X264_PART_P4X4) x4->params.analyse.inter |= X264_ANALYSE_PSUB8x8; if(avctx->partitions & X264_PART_B8X8) x4->params.analyse.inter |= X264_ANALYSE_BSUB16x16; } x4->params.analyse.i_direct_mv_pred = avctx->directpred; x4->params.analyse.b_weighted_bipred = avctx->flags2 & CODEC_FLAG2_WPRED; if(avctx->me_method == ME_EPZS) x4->params.analyse.i_me_method = X264_ME_DIA; else if(avctx->me_method == ME_HEX) x4->params.analyse.i_me_method = X264_ME_HEX; else if(avctx->me_method == ME_UMH) x4->params.analyse.i_me_method = X264_ME_UMH; else if(avctx->me_method == ME_FULL) x4->params.analyse.i_me_method = X264_ME_ESA; else if(avctx->me_method == ME_TESA) x4->params.analyse.i_me_method = X264_ME_TESA; else x4->params.analyse.i_me_method = X264_ME_HEX; x4->params.analyse.i_me_range = avctx->me_range; x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality; x4->params.analyse.b_bidir_me = avctx->bidir_refine > 0; x4->params.analyse.b_bframe_rdo = avctx->flags2 & CODEC_FLAG2_BRDO; x4->params.analyse.b_mixed_references = avctx->flags2 & CODEC_FLAG2_MIXED_REFS; x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA; x4->params.analyse.b_transform_8x8 = avctx->flags2 & CODEC_FLAG2_8X8DCT; x4->params.analyse.b_fast_pskip = avctx->flags2 & CODEC_FLAG2_FASTPSKIP; x4->params.analyse.i_trellis = avctx->trellis; x4->params.analyse.i_noise_reduction = avctx->noise_reduction; if(avctx->level > 0) x4->params.i_level_idc = avctx->level; x4->params.rc.f_rate_tolerance = (float)avctx->bit_rate_tolerance/avctx->bit_rate; if((avctx->rc_buffer_size != 0) && (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)){ x4->params.rc.f_vbv_buffer_init = (float)avctx->rc_initial_buffer_occupancy/avctx->rc_buffer_size; } else x4->params.rc.f_vbv_buffer_init = 0.9; x4->params.rc.f_ip_factor = 1/fabs(avctx->i_quant_factor); x4->params.rc.f_pb_factor = avctx->b_quant_factor; x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset; x4->params.rc.psz_rc_eq = avctx->rc_eq; x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR; x4->params.i_log_level = X264_LOG_DEBUG; x4->params.b_aud = avctx->flags2 & CODEC_FLAG2_AUD; x4->params.i_threads = avctx->thread_count; x4->params.b_interlaced = avctx->flags & CODEC_FLAG_INTERLACED_DCT; if(avctx->flags & CODEC_FLAG_GLOBAL_HEADER){ x4->params.b_repeat_headers = 0; } x4->enc = x264_encoder_open(&x4->params); if(!x4->enc) return -1; avctx->coded_frame = &x4->out_pic; if(avctx->flags & CODEC_FLAG_GLOBAL_HEADER){ x264_nal_t *nal; int nnal, i, s = 0; x264_encoder_headers(x4->enc, &nal, &nnal); /* 5 bytes NAL header + worst case escaping */ for(i = 0; i < nnal; i++) s += 5 + nal[i].i_payload * 4 / 3; avctx->extradata = av_malloc(s); avctx->extradata_size = encode_nals(avctx->extradata, s, nal, nnal); } return 0; } | 15,229 |
1 | int configure_filtergraph(FilterGraph *fg) { AVFilterInOut *inputs, *outputs, *cur; int ret, i, simple = !fg->graph_desc; const char *graph_desc = simple ? fg->outputs[0]->ost->avfilter : fg->graph_desc; avfilter_graph_free(&fg->graph); if (!(fg->graph = avfilter_graph_alloc())) return AVERROR(ENOMEM); if (simple) { OutputStream *ost = fg->outputs[0]->ost; char args[512]; AVDictionaryEntry *e = NULL; snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags); fg->graph->scale_sws_opts = av_strdup(args); args[0] = '\0'; while ((e = av_dict_get(fg->outputs[0]->ost->resample_opts, "", e, AV_DICT_IGNORE_SUFFIX))) { av_strlcatf(args, sizeof(args), "%s=%s:", e->key, e->value); } if (strlen(args)) args[strlen(args) - 1] = '\0'; fg->graph->resample_lavr_opts = av_strdup(args); } if ((ret = avfilter_graph_parse2(fg->graph, graph_desc, &inputs, &outputs)) < 0) return ret; if (simple && (!inputs || inputs->next || !outputs || outputs->next)) { av_log(NULL, AV_LOG_ERROR, "Simple filtergraph '%s' does not have " "exactly one input and output.\n", graph_desc); return AVERROR(EINVAL); } for (cur = inputs, i = 0; cur; cur = cur->next, i++) if ((ret = configure_input_filter(fg, fg->inputs[i], cur)) < 0) return ret; avfilter_inout_free(&inputs); for (cur = outputs, i = 0; cur; cur = cur->next, i++) configure_output_filter(fg, fg->outputs[i], cur); avfilter_inout_free(&outputs); if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0) return ret; return 0; } | 15,230 |
1 | inline static void RENAME(hcscale)(uint16_t *dst, long dstWidth, uint8_t *src1, uint8_t *src2, int srcW, int xInc, int flags, int canMMX2BeUsed, int16_t *hChrFilter, int16_t *hChrFilterPos, int hChrFilterSize, void *funnyUVCode, int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter, int32_t *mmx2FilterPos) { if(srcFormat==IMGFMT_YUY2) { RENAME(yuy2ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(srcFormat==IMGFMT_UYVY) { RENAME(uyvyToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(srcFormat==IMGFMT_BGR32) { RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(srcFormat==IMGFMT_BGR24) { RENAME(bgr24ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(srcFormat==IMGFMT_BGR16) { RENAME(bgr16ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(srcFormat==IMGFMT_BGR15) { RENAME(bgr15ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(srcFormat==IMGFMT_RGB32) { RENAME(rgb32ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(srcFormat==IMGFMT_RGB24) { RENAME(rgb24ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(isGray(srcFormat)) { return; } #ifdef HAVE_MMX // use the new MMX scaler if the mmx2 can't be used (its faster than the x86asm one) if(!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed)) #else if(!(flags&SWS_FAST_BILINEAR)) #endif { RENAME(hScale)(dst , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize); RENAME(hScale)(dst+2048, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize); } else // Fast Bilinear upscale / crap downscale { #if defined(ARCH_X86) || defined(ARCH_X86_64) #ifdef HAVE_MMX2 int i; if(canMMX2BeUsed) { asm volatile( "pxor %%mm7, %%mm7 \n\t" "mov %0, %%"REG_c" \n\t" "mov %1, %%"REG_D" \n\t" "mov %2, %%"REG_d" \n\t" "mov %3, %%"REG_b" \n\t" "xor %%"REG_a", %%"REG_a" \n\t" // i PREFETCH" (%%"REG_c") \n\t" PREFETCH" 32(%%"REG_c") \n\t" PREFETCH" 64(%%"REG_c") \n\t" #ifdef ARCH_X86_64 #define FUNNY_UV_CODE \ "movl (%%"REG_b"), %%esi \n\t"\ "call *%4 \n\t"\ "movl (%%"REG_b", %%"REG_a"), %%esi\n\t"\ "add %%"REG_S", %%"REG_c" \n\t"\ "add %%"REG_a", %%"REG_D" \n\t"\ "xor %%"REG_a", %%"REG_a" \n\t"\ #else #define FUNNY_UV_CODE \ "movl (%%"REG_b"), %%esi \n\t"\ "call *%4 \n\t"\ "addl (%%"REG_b", %%"REG_a"), %%"REG_c"\n\t"\ "add %%"REG_a", %%"REG_D" \n\t"\ "xor %%"REG_a", %%"REG_a" \n\t"\ #endif FUNNY_UV_CODE FUNNY_UV_CODE FUNNY_UV_CODE FUNNY_UV_CODE "xor %%"REG_a", %%"REG_a" \n\t" // i "mov %5, %%"REG_c" \n\t" // src "mov %1, %%"REG_D" \n\t" // buf1 "add $4096, %%"REG_D" \n\t" PREFETCH" (%%"REG_c") \n\t" PREFETCH" 32(%%"REG_c") \n\t" PREFETCH" 64(%%"REG_c") \n\t" FUNNY_UV_CODE FUNNY_UV_CODE FUNNY_UV_CODE FUNNY_UV_CODE :: "m" (src1), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos), "m" (funnyUVCode), "m" (src2) : "%"REG_a, "%"REG_b, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D ); for(i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) { // printf("%d %d %d\n", dstWidth, i, srcW); dst[i] = src1[srcW-1]*128; dst[i+2048] = src2[srcW-1]*128; } } else { #endif long xInc_shr16 = (long) (xInc >> 16); int xInc_mask = xInc & 0xffff; asm volatile( "xor %%"REG_a", %%"REG_a" \n\t" // i "xor %%"REG_b", %%"REG_b" \n\t" // xx "xorl %%ecx, %%ecx \n\t" // 2*xalpha ASMALIGN16 "1: \n\t" "mov %0, %%"REG_S" \n\t" "movzbl (%%"REG_S", %%"REG_b"), %%edi \n\t" //src[xx] "movzbl 1(%%"REG_S", %%"REG_b"), %%esi \n\t" //src[xx+1] "subl %%edi, %%esi \n\t" //src[xx+1] - src[xx] "imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha "shll $16, %%edi \n\t" "addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha) "mov %1, %%"REG_D" \n\t" "shrl $9, %%esi \n\t" "movw %%si, (%%"REG_D", %%"REG_a", 2)\n\t" "movzbl (%5, %%"REG_b"), %%edi \n\t" //src[xx] "movzbl 1(%5, %%"REG_b"), %%esi \n\t" //src[xx+1] "subl %%edi, %%esi \n\t" //src[xx+1] - src[xx] "imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha "shll $16, %%edi \n\t" "addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha) "mov %1, %%"REG_D" \n\t" "shrl $9, %%esi \n\t" "movw %%si, 4096(%%"REG_D", %%"REG_a", 2)\n\t" "addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF "adc %3, %%"REG_b" \n\t" //xx+= xInc>>8 + carry "add $1, %%"REG_a" \n\t" "cmp %2, %%"REG_a" \n\t" " jb 1b \n\t" /* GCC-3.3 makes MPlayer crash on IA-32 machines when using "g" operand here, which is needed to support GCC-4.0 */ #if defined(ARCH_X86_64) && ((__GNUC__ > 3) || ( __GNUC__ == 3 && __GNUC_MINOR__ >= 4)) :: "m" (src1), "m" (dst), "g" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask), #else :: "m" (src1), "m" (dst), "m" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask), #endif "r" (src2) : "%"REG_a, "%"REG_b, "%ecx", "%"REG_D, "%esi" ); #ifdef HAVE_MMX2 } //if MMX2 can't be used #endif #else int i; unsigned int xpos=0; for(i=0;i<dstWidth;i++) { register unsigned int xx=xpos>>16; register unsigned int xalpha=(xpos&0xFFFF)>>9; dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha); dst[i+2048]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha); /* slower dst[i]= (src1[xx]<<7) + (src1[xx+1] - src1[xx])*xalpha; dst[i+2048]=(src2[xx]<<7) + (src2[xx+1] - src2[xx])*xalpha; */ xpos+=xInc; } #endif } } | 15,231 |
1 | static int mp_user_setxattr(FsContext *ctx, const char *path, const char *name, void *value, size_t size, int flags) { char *buffer; int ret; if (strncmp(name, "user.virtfs.", 12) == 0) { /* * Don't allow fetch of user.virtfs namesapce * in case of mapped security */ errno = EACCES; return -1; } buffer = rpath(ctx, path); ret = lsetxattr(buffer, name, value, size, flags); g_free(buffer); return ret; } | 15,232 |
1 | static void gen_tlbiva(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else TCGv t0; if (unlikely(ctx->pr)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]); tcg_temp_free(t0); #endif } | 15,233 |
0 | static void hdcd_reset(hdcd_state_t *state, unsigned rate) { int i; state->window = 0; state->readahead = 32; state->arg = 0; state->control = 0; state->running_gain = 0; state->sustain = 0; state->sustain_reset = rate * 10; state->code_counterA = 0; state->code_counterA_almost = 0; state->code_counterB = 0; state->code_counterB_checkfails = 0; state->code_counterC = 0; state->code_counterC_unmatched = 0; state->count_peak_extend = 0; state->count_transient_filter = 0; for(i = 0; i < 16; i++) state->gain_counts[i] = 0; state->max_gain = 0; state->count_sustain_expired = -1; } | 15,234 |
0 | static int filter_frame(AVFilterLink *inlink, AVFrame *insamplesref) { AResampleContext *aresample = inlink->dst->priv; const int n_in = insamplesref->nb_samples; int64_t delay; int n_out = n_in * aresample->ratio + 32; AVFilterLink *const outlink = inlink->dst->outputs[0]; AVFrame *outsamplesref; int ret; delay = swr_get_delay(aresample->swr, outlink->sample_rate); if (delay > 0) n_out += FFMIN(delay, FFMAX(4096, n_out)); outsamplesref = ff_get_audio_buffer(outlink, n_out); if(!outsamplesref) return AVERROR(ENOMEM); av_frame_copy_props(outsamplesref, insamplesref); outsamplesref->format = outlink->format; av_frame_set_channels(outsamplesref, outlink->channels); outsamplesref->channel_layout = outlink->channel_layout; outsamplesref->sample_rate = outlink->sample_rate; if(insamplesref->pts != AV_NOPTS_VALUE) { int64_t inpts = av_rescale(insamplesref->pts, inlink->time_base.num * (int64_t)outlink->sample_rate * inlink->sample_rate, inlink->time_base.den); int64_t outpts= swr_next_pts(aresample->swr, inpts); aresample->next_pts = outsamplesref->pts = ROUNDED_DIV(outpts, inlink->sample_rate); } else { outsamplesref->pts = AV_NOPTS_VALUE; } n_out = swr_convert(aresample->swr, outsamplesref->extended_data, n_out, (void *)insamplesref->extended_data, n_in); if (n_out <= 0) { av_frame_free(&outsamplesref); av_frame_free(&insamplesref); return 0; } aresample->more_data = outsamplesref->nb_samples == n_out; // Indicate that there is probably more data in our buffers outsamplesref->nb_samples = n_out; ret = ff_filter_frame(outlink, outsamplesref); aresample->req_fullfilled= 1; av_frame_free(&insamplesref); return ret; } | 15,235 |
0 | int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt) { MOVMuxContext *mov = s->priv_data; AVIOContext *pb = s->pb; MOVTrack *trk = &mov->tracks[pkt->stream_index]; AVCodecContext *enc = trk->enc; unsigned int samples_in_chunk = 0; int size = pkt->size, ret = 0; uint8_t *reformatted_data = NULL; if (trk->entry) { int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts; if (duration < 0 || duration > INT_MAX) { av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n", duration, pkt->dts ); pkt->dts = trk->cluster[trk->entry - 1].dts + 1; pkt->pts = AV_NOPTS_VALUE; } if (pkt->duration < 0) { av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration); return AVERROR(EINVAL); } } if (mov->flags & FF_MOV_FLAG_FRAGMENT) { int ret; if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) { if (mov->frag_interleave && mov->fragments > 0) { if (trk->entry - trk->entries_flushed >= mov->frag_interleave) { if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0) return ret; } } if (!trk->mdat_buf) { if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0) return ret; } pb = trk->mdat_buf; } else { if (!mov->mdat_buf) { if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0) return ret; } pb = mov->mdat_buf; } } if (enc->codec_id == AV_CODEC_ID_AMR_NB) { /* We must find out how many AMR blocks there are in one packet */ static const uint16_t packed_size[16] = {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1}; int len = 0; while (len < size && samples_in_chunk < 100) { len += packed_size[(pkt->data[len] >> 3) & 0x0F]; samples_in_chunk++; } if (samples_in_chunk > 1) { av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n"); return -1; } } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS || enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) { samples_in_chunk = enc->frame_size; } else if (trk->sample_size) samples_in_chunk = size / trk->sample_size; else samples_in_chunk = 1; /* copy extradata if it exists */ if (trk->vos_len == 0 && enc->extradata_size > 0 && !TAG_IS_AVCI(trk->tag) && (enc->codec_id != AV_CODEC_ID_DNXHD)) { trk->vos_len = enc->extradata_size; trk->vos_data = av_malloc(trk->vos_len); if (!trk->vos_data) { ret = AVERROR(ENOMEM); goto err; } memcpy(trk->vos_data, enc->extradata, trk->vos_len); } if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) { if (!s->streams[pkt->stream_index]->nb_frames) { av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: " "use the audio bitstream filter 'aac_adtstoasc' to fix it " "('-bsf:a aac_adtstoasc' option with ffmpeg)\n"); return -1; } av_log(s, AV_LOG_WARNING, "aac bitstream error\n"); } if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) { /* from x264 or from bytestream h264 */ /* nal reformating needed */ if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) { ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data, &size); avio_write(pb, reformatted_data, size); } else { if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) { size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size); if (size < 0) { ret = size; goto err; } } else { size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size); } } } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 && (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) { /* extradata is Annex B, assume the bitstream is too and convert it */ if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) { ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL); avio_write(pb, reformatted_data, size); } else { size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL); } #if CONFIG_AC3_PARSER } else if (enc->codec_id == AV_CODEC_ID_EAC3) { size = handle_eac3(mov, pkt, trk); if (size < 0) return size; else if (!size) goto end; avio_write(pb, pkt->data, size); #endif } else { if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) { if (enc->codec_id == AV_CODEC_ID_H264 && enc->extradata_size > 4) { int nal_size_length = (enc->extradata[4] & 0x3) + 1; ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size); } else { ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size); } if (ret) { goto err; } } else { avio_write(pb, pkt->data, size); } } if ((enc->codec_id == AV_CODEC_ID_DNXHD || enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) { /* copy frame to create needed atoms */ trk->vos_len = size; trk->vos_data = av_malloc(size); if (!trk->vos_data) { ret = AVERROR(ENOMEM); goto err; } memcpy(trk->vos_data, pkt->data, size); } if (trk->entry >= trk->cluster_capacity) { unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE); if (av_reallocp_array(&trk->cluster, new_capacity, sizeof(*trk->cluster))) { ret = AVERROR(ENOMEM); goto err; } trk->cluster_capacity = new_capacity; } trk->cluster[trk->entry].pos = avio_tell(pb) - size; trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk; trk->cluster[trk->entry].chunkNum = 0; trk->cluster[trk->entry].size = size; trk->cluster[trk->entry].entries = samples_in_chunk; trk->cluster[trk->entry].dts = pkt->dts; if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) { if (!trk->frag_discont) { /* First packet of a new fragment. We already wrote the duration * of the last packet of the previous fragment based on track_duration, * which might not exactly match our dts. Therefore adjust the dts * of this packet to be what the previous packets duration implies. */ trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration; /* We also may have written the pts and the corresponding duration * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with * the next fragment. This means the cts of the first sample must * be the same in all fragments. */ if ((mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)) || mov->mode == MODE_ISM) pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts; } else { /* New fragment, but discontinuous from previous fragments. * Pretend the duration sum of the earlier fragments is * pkt->dts - trk->start_dts. */ trk->frag_start = pkt->dts - trk->start_dts; trk->end_pts = AV_NOPTS_VALUE; trk->frag_discont = 0; } } if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) { /* Not using edit lists and shifting the first track to start from zero. * If the other streams start from a later timestamp, we won't be able * to signal the difference in starting time without an edit list. * Thus move the timestamp for this first sample to 0, increasing * its duration instead. */ trk->cluster[trk->entry].dts = trk->start_dts = 0; } if (trk->start_dts == AV_NOPTS_VALUE) { trk->start_dts = pkt->dts; if (trk->frag_discont) { if (mov->use_editlist) { /* Pretend the whole stream started at pts=0, with earlier fragments * already written. If the stream started at pts=0, the duration sum * of earlier fragments would have been pkt->pts. */ trk->frag_start = pkt->pts; trk->start_dts = pkt->dts - pkt->pts; } else { /* Pretend the whole stream started at dts=0, with earlier fragments * already written, with a duration summing up to pkt->dts. */ trk->frag_start = pkt->dts; trk->start_dts = 0; } trk->frag_discont = 0; } else if (pkt->dts && mov->moov_written) av_log(s, AV_LOG_WARNING, "Track %d starts with a nonzero dts %"PRId64", while the moov " "already has been written. Set the delay_moov flag to handle " "this case.\n", pkt->stream_index, pkt->dts); } trk->track_duration = pkt->dts - trk->start_dts + pkt->duration; trk->last_sample_is_subtitle_end = 0; if (pkt->pts == AV_NOPTS_VALUE) { av_log(s, AV_LOG_WARNING, "pts has no value\n"); pkt->pts = pkt->dts; } if (pkt->dts != pkt->pts) trk->flags |= MOV_TRACK_CTTS; trk->cluster[trk->entry].cts = pkt->pts - pkt->dts; trk->cluster[trk->entry].flags = 0; if (trk->start_cts == AV_NOPTS_VALUE) trk->start_cts = pkt->pts - pkt->dts; if (trk->end_pts == AV_NOPTS_VALUE) trk->end_pts = trk->cluster[trk->entry].dts + trk->cluster[trk->entry].cts + pkt->duration; else trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts + trk->cluster[trk->entry].cts + pkt->duration); if (enc->codec_id == AV_CODEC_ID_VC1) { mov_parse_vc1_frame(pkt, trk); } else if (pkt->flags & AV_PKT_FLAG_KEY) { if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && trk->entry > 0) { // force sync sample for the first key frame mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags); if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE) trk->flags |= MOV_TRACK_STPS; } else { trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE; } if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE) trk->has_keyframes++; } trk->entry++; trk->sample_count += samples_in_chunk; mov->mdat_size += size; if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry, reformatted_data, size); end: err: av_free(reformatted_data); return ret; } | 15,236 |
0 | static int decode_cabac_mb_chroma_pre_mode( H264Context *h) { const int mba_xy = h->left_mb_xy[0]; const int mbb_xy = h->top_mb_xy; int ctx = 0; /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */ if( h->slice_table[mba_xy] == h->slice_num && h->chroma_pred_mode_table[mba_xy] != 0 ) ctx++; if( h->slice_table[mbb_xy] == h->slice_num && h->chroma_pred_mode_table[mbb_xy] != 0 ) ctx++; if( get_cabac( &h->cabac, &h->cabac_state[64+ctx] ) == 0 ) return 0; if( get_cabac( &h->cabac, &h->cabac_state[64+3] ) == 0 ) return 1; if( get_cabac( &h->cabac, &h->cabac_state[64+3] ) == 0 ) return 2; else return 3; } | 15,237 |
0 | static av_cold int psy_3gpp_init(FFPsyContext *ctx) { AacPsyContext *pctx; float bark; int i, j, g, start; float prev, minscale, minath; ctx->model_priv_data = av_mallocz(sizeof(AacPsyContext)); pctx = (AacPsyContext*) ctx->model_priv_data; minath = ath(3410, ATH_ADD); for (j = 0; j < 2; j++) { AacPsyCoeffs *coeffs = &pctx->psy_coef[j]; float line_to_frequency = ctx->avctx->sample_rate / (j ? 256.f : 2048.0f); i = 0; prev = 0.0; for (g = 0; g < ctx->num_bands[j]; g++) { i += ctx->bands[j][g]; bark = calc_bark((i-1) * line_to_frequency); coeffs->barks[g] = (bark + prev) / 2.0; prev = bark; } for (g = 0; g < ctx->num_bands[j] - 1; g++) { coeffs->spread_low[g] = pow(10.0, -(coeffs->barks[g+1] - coeffs->barks[g]) * PSY_3GPP_SPREAD_LOW); coeffs->spread_hi [g] = pow(10.0, -(coeffs->barks[g+1] - coeffs->barks[g]) * PSY_3GPP_SPREAD_HI); } start = 0; for (g = 0; g < ctx->num_bands[j]; g++) { minscale = ath(start * line_to_frequency, ATH_ADD); for (i = 1; i < ctx->bands[j][g]; i++) minscale = FFMIN(minscale, ath((start + i) * line_to_frequency, ATH_ADD)); coeffs->ath[g] = minscale - minath; start += ctx->bands[j][g]; } } pctx->ch = av_mallocz(sizeof(AacPsyChannel) * ctx->avctx->channels); lame_window_init(pctx, ctx->avctx); return 0; } | 15,238 |
1 | static void test_tco_second_timeout_reset(void) { TestData td; const uint16_t ticks = TCO_SECS_TO_TICKS(16); QDict *ad; td.args = "-watchdog-action reset"; td.noreboot = false; test_init(&td); stop_tco(&td); clear_tco_status(&td); reset_on_second_timeout(true); set_tco_timeout(&td, TCO_SECS_TO_TICKS(16)); load_tco(&td); start_tco(&td); clock_step(ticks * TCO_TICK_NSEC * 2); ad = get_watchdog_action(); g_assert(!strcmp(qdict_get_str(ad, "action"), "reset")); QDECREF(ad); stop_tco(&td); qtest_end(); } | 15,240 |
1 | static void e1000e_macreg_write(e1000e_device *d, uint32_t reg, uint32_t val) { qpci_io_writel(d->pci_dev, d->mac_regs + reg, val); } | 15,241 |
1 | static void fdctrl_handle_drive_specification_command(FDCtrl *fdctrl, int direction) { FDrive *cur_drv = get_cur_drv(fdctrl); if (fdctrl->fifo[fdctrl->data_pos - 1] & 0x80) { /* Command parameters done */ if (fdctrl->fifo[fdctrl->data_pos - 1] & 0x40) { fdctrl->fifo[0] = fdctrl->fifo[1]; fdctrl->fifo[2] = 0; fdctrl->fifo[3] = 0; fdctrl_set_fifo(fdctrl, 4); } else { fdctrl_reset_fifo(fdctrl); } } else if (fdctrl->data_len > 7) { /* ERROR */ fdctrl->fifo[0] = 0x80 | (cur_drv->head << 2) | GET_CUR_DRV(fdctrl); fdctrl_set_fifo(fdctrl, 1); } } | 15,242 |
1 | uint64_t helper_addqv(CPUAlphaState *env, uint64_t op1, uint64_t op2) { uint64_t tmp = op1; op1 += op2; if (unlikely((tmp ^ op2 ^ (-1ULL)) & (tmp ^ op1) & (1ULL << 63))) { arith_excp(env, GETPC(), EXC_M_IOV, 0); } return op1; } | 15,243 |
1 | pvscsi_on_cmd_setup_msg_ring(PVSCSIState *s) { PVSCSICmdDescSetupMsgRing *rc = (PVSCSICmdDescSetupMsgRing *) s->curr_cmd_data; trace_pvscsi_on_cmd_arrived("PVSCSI_CMD_SETUP_MSG_RING"); if (!s->use_msg) { return PVSCSI_COMMAND_PROCESSING_FAILED; } if (s->rings_info_valid) { pvscsi_ring_init_msg(&s->rings, rc); s->msg_ring_info_valid = TRUE; } return sizeof(PVSCSICmdDescSetupMsgRing) / sizeof(uint32_t); } | 15,244 |
1 | dispatcher_wait(Dispatcher *dispr, uint32_t timeout) { struct timeval tv; tv.tv_sec = timeout / 1000000; tv.tv_usec = timeout % 1000000; fd_set fdset = dispr->fdset; /* wait until some of sockets become readable. */ int rc = select(dispr->max_sock + 1, &fdset, 0, 0, &tv); if (rc == -1) { vubr_die("select"); } /* Timeout */ if (rc == 0) { return 0; } /* Now call callback for every ready socket. */ int sock; for (sock = 0; sock < dispr->max_sock + 1; sock++) if (FD_ISSET(sock, &fdset)) { Event *e = &dispr->events[sock]; e->callback(sock, e->ctx); } return 0; } | 15,246 |
1 | int bdrv_check(BlockDriverState *bs, BdrvCheckResult *res) { if (bs->drv->bdrv_check == NULL) { return -ENOTSUP; } memset(res, 0, sizeof(*res)); res->corruptions = bs->drv->bdrv_check(bs); return res->corruptions < 0 ? res->corruptions : 0; } | 15,247 |
1 | static int nsv_parse_NSVf_header(AVFormatContext *s) { NSVContext *nsv = s->priv_data; AVIOContext *pb = s->pb; unsigned int av_unused file_size; unsigned int size; int64_t duration; int strings_size; int table_entries; int table_entries_used; av_dlog(s, "%s()\n", __FUNCTION__); nsv->state = NSV_UNSYNC; /* in case we fail */ size = avio_rl32(pb); if (size < 28) return -1; nsv->NSVf_end = size; //s->file_size = (uint32_t)avio_rl32(pb); file_size = (uint32_t)avio_rl32(pb); av_dlog(s, "NSV NSVf chunk_size %u\n", size); av_dlog(s, "NSV NSVf file_size %u\n", file_size); nsv->duration = duration = avio_rl32(pb); /* in ms */ av_dlog(s, "NSV NSVf duration %"PRId64" ms\n", duration); // XXX: store it in AVStreams strings_size = avio_rl32(pb); table_entries = avio_rl32(pb); table_entries_used = avio_rl32(pb); av_dlog(s, "NSV NSVf info-strings size: %d, table entries: %d, bis %d\n", strings_size, table_entries, table_entries_used); if (pb->eof_reached) return -1; av_dlog(s, "NSV got header; filepos %"PRId64"\n", avio_tell(pb)); if (strings_size > 0) { char *strings; /* last byte will be '\0' to play safe with str*() */ char *p, *endp; char *token, *value; char quote; p = strings = av_mallocz(strings_size + 1); endp = strings + strings_size; avio_read(pb, strings, strings_size); while (p < endp) { while (*p == ' ') p++; /* strip out spaces */ if (p >= endp-2) break; token = p; p = strchr(p, '='); if (!p || p >= endp-2) break; *p++ = '\0'; quote = *p++; value = p; p = strchr(p, quote); if (!p || p >= endp) break; *p++ = '\0'; av_dlog(s, "NSV NSVf INFO: %s='%s'\n", token, value); av_dict_set(&s->metadata, token, value, 0); } av_free(strings); } if (pb->eof_reached) return -1; av_dlog(s, "NSV got infos; filepos %"PRId64"\n", avio_tell(pb)); if (table_entries_used > 0) { int i; nsv->index_entries = table_entries_used; if((unsigned)table_entries_used >= UINT_MAX / sizeof(uint32_t)) return -1; nsv->nsvs_file_offset = av_malloc((unsigned)table_entries_used * sizeof(uint32_t)); for(i=0;i<table_entries_used;i++) nsv->nsvs_file_offset[i] = avio_rl32(pb) + size; if(table_entries > table_entries_used && avio_rl32(pb) == MKTAG('T','O','C','2')) { nsv->nsvs_timestamps = av_malloc((unsigned)table_entries_used*sizeof(uint32_t)); for(i=0;i<table_entries_used;i++) { nsv->nsvs_timestamps[i] = avio_rl32(pb); } } } av_dlog(s, "NSV got index; filepos %"PRId64"\n", avio_tell(pb)); #ifdef DEBUG_DUMP_INDEX #define V(v) ((v<0x20 || v > 127)?'.':v) /* dump index */ av_dlog(s, "NSV %d INDEX ENTRIES:\n", table_entries); av_dlog(s, "NSV [dataoffset][fileoffset]\n", table_entries); for (i = 0; i < table_entries; i++) { unsigned char b[8]; avio_seek(pb, size + nsv->nsvs_file_offset[i], SEEK_SET); avio_read(pb, b, 8); av_dlog(s, "NSV [0x%08lx][0x%08lx]: %02x %02x %02x %02x %02x %02x %02x %02x" "%c%c%c%c%c%c%c%c\n", nsv->nsvs_file_offset[i], size + nsv->nsvs_file_offset[i], b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7], V(b[0]), V(b[1]), V(b[2]), V(b[3]), V(b[4]), V(b[5]), V(b[6]), V(b[7]) ); } //avio_seek(pb, size, SEEK_SET); /* go back to end of header */ #undef V #endif avio_seek(pb, nsv->base_offset + size, SEEK_SET); /* required for dumbdriving-271.nsv (2 extra bytes) */ if (pb->eof_reached) return -1; nsv->state = NSV_HAS_READ_NSVF; return 0; } | 15,248 |
0 | static int flac_decode_frame(AVCodecContext *avctx, void *data, int *data_size, const uint8_t *buf, int buf_size) { FLACContext *s = avctx->priv_data; int tmp = 0, i, j = 0, input_buf_size = 0; int16_t *samples_16 = data; int32_t *samples_32 = data; int alloc_data_size= *data_size; *data_size=0; if (s->max_framesize == 0) { s->max_framesize= FFMAX(4, buf_size); // should hopefully be enough for the first header s->bitstream= av_fast_realloc(s->bitstream, &s->allocated_bitstream_size, s->max_framesize); } if (1 && s->max_framesize) { //FIXME truncated if (s->bitstream_size < 4 || AV_RL32(s->bitstream) != MKTAG('f','L','a','C')) buf_size= FFMIN(buf_size, s->max_framesize - FFMIN(s->bitstream_size, s->max_framesize)); input_buf_size= buf_size; if (s->bitstream_size + buf_size < buf_size || s->bitstream_index + s->bitstream_size + buf_size < s->bitstream_index) return -1; if (s->allocated_bitstream_size < s->bitstream_size + buf_size) s->bitstream= av_fast_realloc(s->bitstream, &s->allocated_bitstream_size, s->bitstream_size + buf_size); if (s->bitstream_index + s->bitstream_size + buf_size > s->allocated_bitstream_size) { memmove(s->bitstream, &s->bitstream[s->bitstream_index], s->bitstream_size); s->bitstream_index=0; } memcpy(&s->bitstream[s->bitstream_index + s->bitstream_size], buf, buf_size); buf= &s->bitstream[s->bitstream_index]; buf_size += s->bitstream_size; s->bitstream_size= buf_size; if (buf_size < s->max_framesize && input_buf_size) { return input_buf_size; } } init_get_bits(&s->gb, buf, buf_size*8); if (metadata_parse(s)) goto end; tmp = show_bits(&s->gb, 16); if ((tmp & 0xFFFE) != 0xFFF8) { av_log(s->avctx, AV_LOG_ERROR, "FRAME HEADER not here\n"); while (get_bits_count(&s->gb)/8+2 < buf_size && (show_bits(&s->gb, 16) & 0xFFFE) != 0xFFF8) skip_bits(&s->gb, 8); goto end; // we may not have enough bits left to decode a frame, so try next time } skip_bits(&s->gb, 16); if (decode_frame(s, alloc_data_size) < 0) { av_log(s->avctx, AV_LOG_ERROR, "decode_frame() failed\n"); s->bitstream_size=0; s->bitstream_index=0; return -1; } #define DECORRELATE(left, right)\ assert(s->channels == 2);\ for (i = 0; i < s->blocksize; i++) {\ int a= s->decoded[0][i];\ int b= s->decoded[1][i];\ if (s->is32) {\ *samples_32++ = (left) << s->sample_shift;\ *samples_32++ = (right) << s->sample_shift;\ } else {\ *samples_16++ = (left) << s->sample_shift;\ *samples_16++ = (right) << s->sample_shift;\ }\ }\ break; switch (s->decorrelation) { case INDEPENDENT: for (j = 0; j < s->blocksize; j++) { for (i = 0; i < s->channels; i++) { if (s->is32) *samples_32++ = s->decoded[i][j] << s->sample_shift; else *samples_16++ = s->decoded[i][j] << s->sample_shift; } } break; case LEFT_SIDE: DECORRELATE(a,a-b) case RIGHT_SIDE: DECORRELATE(a+b,b) case MID_SIDE: DECORRELATE( (a-=b>>1) + b, a) } *data_size = s->blocksize * s->channels * (s->is32 ? 4 : 2); end: i= (get_bits_count(&s->gb)+7)/8; if (i > buf_size) { av_log(s->avctx, AV_LOG_ERROR, "overread: %d\n", i - buf_size); s->bitstream_size=0; s->bitstream_index=0; return -1; } if (s->bitstream_size) { s->bitstream_index += i; s->bitstream_size -= i; return input_buf_size; } else return i; } | 15,250 |
0 | static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { CFHDContext *s = avctx->priv_data; GetByteContext gb; ThreadFrame frame = { .f = data }; AVFrame *pic = data; int ret = 0, i, j, planes, plane, got_buffer = 0; int16_t *coeff_data; s->coded_format = AV_PIX_FMT_YUV422P10; init_frame_defaults(s); planes = av_pix_fmt_count_planes(s->coded_format); bytestream2_init(&gb, avpkt->data, avpkt->size); while (bytestream2_get_bytes_left(&gb) > 4) { /* Bit weird but implement the tag parsing as the spec says */ uint16_t tagu = bytestream2_get_be16(&gb); int16_t tag = (int16_t)tagu; int8_t tag8 = (int8_t)(tagu >> 8); uint16_t abstag = abs(tag); int8_t abs_tag8 = abs(tag8); uint16_t data = bytestream2_get_be16(&gb); if (abs_tag8 >= 0x60 && abs_tag8 <= 0x6f) { av_log(avctx, AV_LOG_DEBUG, "large len %x\n", ((tagu & 0xff) << 16) | data); } else if (tag == 20) { av_log(avctx, AV_LOG_DEBUG, "Width %"PRIu16"\n", data); s->coded_width = data; } else if (tag == 21) { av_log(avctx, AV_LOG_DEBUG, "Height %"PRIu16"\n", data); s->coded_height = data; } else if (tag == 101) { av_log(avctx, AV_LOG_DEBUG, "Bits per component: %"PRIu16"\n", data); if (data < 1 || data > 31) { av_log(avctx, AV_LOG_ERROR, "Bits per component %d is invalid\n", data); ret = AVERROR(EINVAL); break; } s->bpc = data; } else if (tag == 12) { av_log(avctx, AV_LOG_DEBUG, "Channel Count: %"PRIu16"\n", data); s->channel_cnt = data; if (data > 4) { av_log(avctx, AV_LOG_ERROR, "Channel Count of %"PRIu16" is unsupported\n", data); ret = AVERROR_PATCHWELCOME; break; } } else if (tag == 14) { av_log(avctx, AV_LOG_DEBUG, "Subband Count: %"PRIu16"\n", data); if (data != SUBBAND_COUNT) { av_log(avctx, AV_LOG_ERROR, "Subband Count of %"PRIu16" is unsupported\n", data); ret = AVERROR_PATCHWELCOME; break; } } else if (tag == 62) { s->channel_num = data; av_log(avctx, AV_LOG_DEBUG, "Channel number %"PRIu16"\n", data); if (s->channel_num >= planes) { av_log(avctx, AV_LOG_ERROR, "Invalid channel number\n"); ret = AVERROR(EINVAL); break; } init_plane_defaults(s); } else if (tag == 48) { if (s->subband_num != 0 && data == 1) // hack s->level++; av_log(avctx, AV_LOG_DEBUG, "Subband number %"PRIu16"\n", data); s->subband_num = data; if (s->level >= DWT_LEVELS) { av_log(avctx, AV_LOG_ERROR, "Invalid level\n"); ret = AVERROR(EINVAL); break; } if (s->subband_num > 3) { av_log(avctx, AV_LOG_ERROR, "Invalid subband number\n"); ret = AVERROR(EINVAL); break; } } else if (tag == 51) { av_log(avctx, AV_LOG_DEBUG, "Subband number actual %"PRIu16"\n", data); s->subband_num_actual = data; if (s->subband_num_actual >= 10) { av_log(avctx, AV_LOG_ERROR, "Invalid subband number actual\n"); ret = AVERROR(EINVAL); break; } } else if (tag == 35) av_log(avctx, AV_LOG_DEBUG, "Lowpass precision bits: %"PRIu16"\n", data); else if (tag == 53) { s->quantisation = data; av_log(avctx, AV_LOG_DEBUG, "Quantisation: %"PRIu16"\n", data); } else if (tag == 109) { s->prescale_shift[0] = (data >> 0) & 0x7; s->prescale_shift[1] = (data >> 3) & 0x7; s->prescale_shift[2] = (data >> 6) & 0x7; av_log(avctx, AV_LOG_DEBUG, "Prescale shift (VC-5): %x\n", data); } else if (tag == 27) { av_log(avctx, AV_LOG_DEBUG, "Lowpass width %"PRIu16"\n", data); if (data < 3 || data > s->plane[s->channel_num].band[0][0].a_width) { av_log(avctx, AV_LOG_ERROR, "Invalid lowpass width\n"); ret = AVERROR(EINVAL); break; } s->plane[s->channel_num].band[0][0].width = data; s->plane[s->channel_num].band[0][0].stride = data; } else if (tag == 28) { av_log(avctx, AV_LOG_DEBUG, "Lowpass height %"PRIu16"\n", data); if (data < 3 || data > s->plane[s->channel_num].band[0][0].height) { av_log(avctx, AV_LOG_ERROR, "Invalid lowpass height\n"); ret = AVERROR(EINVAL); break; } s->plane[s->channel_num].band[0][0].height = data; } else if (tag == 1) av_log(avctx, AV_LOG_DEBUG, "Sample type? %"PRIu16"\n", data); else if (tag == 10) { if (data != 0) { avpriv_report_missing_feature(avctx, "Transform type of %"PRIu16, data); ret = AVERROR_PATCHWELCOME; break; } av_log(avctx, AV_LOG_DEBUG, "Transform-type? %"PRIu16"\n", data); } else if (abstag >= 0x4000 && abstag <= 0x40ff) { av_log(avctx, AV_LOG_DEBUG, "Small chunk length %d %s\n", data * 4, tag < 0 ? "optional" : "required"); bytestream2_skipu(&gb, data * 4); } else if (tag == 23) { av_log(avctx, AV_LOG_DEBUG, "Skip frame\n"); avpriv_report_missing_feature(avctx, "Skip frame"); ret = AVERROR_PATCHWELCOME; break; } else if (tag == 2) { av_log(avctx, AV_LOG_DEBUG, "tag=2 header - skipping %i tag/value pairs\n", data); if (data > bytestream2_get_bytes_left(&gb) / 4) { av_log(avctx, AV_LOG_ERROR, "too many tag/value pairs (%d)\n", data); ret = AVERROR_INVALIDDATA; break; } for (i = 0; i < data; i++) { uint16_t tag2 = bytestream2_get_be16(&gb); uint16_t val2 = bytestream2_get_be16(&gb); av_log(avctx, AV_LOG_DEBUG, "Tag/Value = %x %x\n", tag2, val2); } } else if (tag == 41) { av_log(avctx, AV_LOG_DEBUG, "Highpass width %i channel %i level %i subband %i\n", data, s->channel_num, s->level, s->subband_num); if (data < 3) { av_log(avctx, AV_LOG_ERROR, "Invalid highpass width\n"); ret = AVERROR(EINVAL); break; } s->plane[s->channel_num].band[s->level][s->subband_num].width = data; s->plane[s->channel_num].band[s->level][s->subband_num].stride = FFALIGN(data, 8); } else if (tag == 42) { av_log(avctx, AV_LOG_DEBUG, "Highpass height %i\n", data); if (data < 3) { av_log(avctx, AV_LOG_ERROR, "Invalid highpass height\n"); ret = AVERROR(EINVAL); break; } s->plane[s->channel_num].band[s->level][s->subband_num].height = data; } else if (tag == 49) { av_log(avctx, AV_LOG_DEBUG, "Highpass width2 %i\n", data); if (data < 3) { av_log(avctx, AV_LOG_ERROR, "Invalid highpass width2\n"); ret = AVERROR(EINVAL); break; } s->plane[s->channel_num].band[s->level][s->subband_num].width = data; s->plane[s->channel_num].band[s->level][s->subband_num].stride = FFALIGN(data, 8); } else if (tag == 50) { av_log(avctx, AV_LOG_DEBUG, "Highpass height2 %i\n", data); if (data < 3) { av_log(avctx, AV_LOG_ERROR, "Invalid highpass height2\n"); ret = AVERROR(EINVAL); break; } s->plane[s->channel_num].band[s->level][s->subband_num].height = data; } else if (tag == 71) { s->codebook = data; av_log(avctx, AV_LOG_DEBUG, "Codebook %i\n", s->codebook); } else if (tag == 72) { s->codebook = data; av_log(avctx, AV_LOG_DEBUG, "Other codebook? %i\n", s->codebook); } else if (tag == 70) { av_log(avctx, AV_LOG_DEBUG, "Subsampling or bit-depth flag? %i\n", data); if (!(data == 10 || data == 12)) { av_log(avctx, AV_LOG_ERROR, "Invalid bits per channel\n"); ret = AVERROR(EINVAL); break; } s->bpc = data; } else if (tag == 84) { av_log(avctx, AV_LOG_DEBUG, "Sample format? %i\n", data); if (data == 1) s->coded_format = AV_PIX_FMT_YUV422P10; else if (data == 3) s->coded_format = AV_PIX_FMT_GBRP12; else if (data == 4) s->coded_format = AV_PIX_FMT_GBRAP12; else { avpriv_report_missing_feature(avctx, "Sample format of %"PRIu16, data); ret = AVERROR_PATCHWELCOME; break; } planes = av_pix_fmt_count_planes(s->coded_format); } else av_log(avctx, AV_LOG_DEBUG, "Unknown tag %i data %x\n", tag, data); /* Some kind of end of header tag */ if (tag == 4 && data == 0x1a4a && s->coded_width && s->coded_height && s->coded_format != AV_PIX_FMT_NONE) { if (s->a_width != s->coded_width || s->a_height != s->coded_height || s->a_format != s->coded_format) { free_buffers(avctx); if ((ret = alloc_buffers(avctx)) < 0) { free_buffers(avctx); return ret; } } ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height); if (ret < 0) return ret; frame.f->width = frame.f->height = 0; if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0) return ret; s->coded_width = 0; s->coded_height = 0; s->coded_format = AV_PIX_FMT_NONE; got_buffer = 1; } coeff_data = s->plane[s->channel_num].subband[s->subband_num_actual]; /* Lowpass coefficients */ if (tag == 4 && data == 0xf0f && s->a_width && s->a_height) { int lowpass_height = s->plane[s->channel_num].band[0][0].height; int lowpass_width = s->plane[s->channel_num].band[0][0].width; int lowpass_a_height = s->plane[s->channel_num].band[0][0].a_height; int lowpass_a_width = s->plane[s->channel_num].band[0][0].a_width; if (!got_buffer) { av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n"); ret = AVERROR(EINVAL); goto end; } if (lowpass_height > lowpass_a_height || lowpass_width > lowpass_a_width || lowpass_a_width * lowpass_a_height * sizeof(int16_t) > bytestream2_get_bytes_left(&gb)) { av_log(avctx, AV_LOG_ERROR, "Too many lowpass coefficients\n"); ret = AVERROR(EINVAL); goto end; } av_log(avctx, AV_LOG_DEBUG, "Start of lowpass coeffs component %d height:%d, width:%d\n", s->channel_num, lowpass_height, lowpass_width); for (i = 0; i < lowpass_height; i++) { for (j = 0; j < lowpass_width; j++) coeff_data[j] = bytestream2_get_be16u(&gb); coeff_data += lowpass_width; } /* Align to mod-4 position to continue reading tags */ bytestream2_seek(&gb, bytestream2_tell(&gb) & 3, SEEK_CUR); /* Copy last line of coefficients if odd height */ if (lowpass_height & 1) { memcpy(&coeff_data[lowpass_height * lowpass_width], &coeff_data[(lowpass_height - 1) * lowpass_width], lowpass_width * sizeof(*coeff_data)); } av_log(avctx, AV_LOG_DEBUG, "Lowpass coefficients %d\n", lowpass_width * lowpass_height); } if (tag == 55 && s->subband_num_actual != 255 && s->a_width && s->a_height) { int highpass_height = s->plane[s->channel_num].band[s->level][s->subband_num].height; int highpass_width = s->plane[s->channel_num].band[s->level][s->subband_num].width; int highpass_a_width = s->plane[s->channel_num].band[s->level][s->subband_num].a_width; int highpass_a_height = s->plane[s->channel_num].band[s->level][s->subband_num].a_height; int highpass_stride = s->plane[s->channel_num].band[s->level][s->subband_num].stride; int expected; int a_expected = highpass_a_height * highpass_a_width; int level, run, coeff; int count = 0, bytes; if (!got_buffer) { av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n"); ret = AVERROR(EINVAL); goto end; } if (highpass_height > highpass_a_height || highpass_width > highpass_a_width || a_expected < highpass_height * (uint64_t)highpass_stride) { av_log(avctx, AV_LOG_ERROR, "Too many highpass coefficients\n"); ret = AVERROR(EINVAL); goto end; } expected = highpass_height * highpass_stride; av_log(avctx, AV_LOG_DEBUG, "Start subband coeffs plane %i level %i codebook %i expected %i\n", s->channel_num, s->level, s->codebook, expected); init_get_bits(&s->gb, gb.buffer, bytestream2_get_bytes_left(&gb) * 8); { OPEN_READER(re, &s->gb); if (!s->codebook) { while (1) { UPDATE_CACHE(re, &s->gb); GET_RL_VLC(level, run, re, &s->gb, s->table_9_rl_vlc, VLC_BITS, 3, 1); /* escape */ if (level == 64) break; count += run; if (count > expected) break; coeff = dequant_and_decompand(level, s->quantisation); for (i = 0; i < run; i++) *coeff_data++ = coeff; } } else { while (1) { UPDATE_CACHE(re, &s->gb); GET_RL_VLC(level, run, re, &s->gb, s->table_18_rl_vlc, VLC_BITS, 3, 1); /* escape */ if (level == 255 && run == 2) break; count += run; if (count > expected) break; coeff = dequant_and_decompand(level, s->quantisation); for (i = 0; i < run; i++) *coeff_data++ = coeff; } } CLOSE_READER(re, &s->gb); } if (count > expected) { av_log(avctx, AV_LOG_ERROR, "Escape codeword not found, probably corrupt data\n"); ret = AVERROR(EINVAL); goto end; } bytes = FFALIGN(FF_CEIL_RSHIFT(get_bits_count(&s->gb), 3), 4); if (bytes > bytestream2_get_bytes_left(&gb)) { av_log(avctx, AV_LOG_ERROR, "Bitstream overread error\n"); ret = AVERROR(EINVAL); goto end; } else bytestream2_seek(&gb, bytes, SEEK_CUR); av_log(avctx, AV_LOG_DEBUG, "End subband coeffs %i extra %i\n", count, count - expected); s->codebook = 0; /* Copy last line of coefficients if odd height */ if (highpass_height & 1) { memcpy(&coeff_data[highpass_height * highpass_stride], &coeff_data[(highpass_height - 1) * highpass_stride], highpass_stride * sizeof(*coeff_data)); } } } if (!s->a_width || !s->a_height || s->a_format == AV_PIX_FMT_NONE || s->coded_width || s->coded_height || s->coded_format != AV_PIX_FMT_NONE) { av_log(avctx, AV_LOG_ERROR, "Invalid dimensions\n"); ret = AVERROR(EINVAL); goto end; } if (!got_buffer) { av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n"); ret = AVERROR(EINVAL); goto end; } planes = av_pix_fmt_count_planes(avctx->pix_fmt); for (plane = 0; plane < planes && !ret; plane++) { /* level 1 */ int lowpass_height = s->plane[plane].band[0][0].height; int lowpass_width = s->plane[plane].band[0][0].width; int highpass_stride = s->plane[plane].band[0][1].stride; int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane; int16_t *low, *high, *output, *dst; if (lowpass_height > s->plane[plane].band[0][0].a_height || lowpass_width > s->plane[plane].band[0][0].a_width || !highpass_stride || s->plane[plane].band[0][1].width > s->plane[plane].band[0][1].a_width) { av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n"); ret = AVERROR(EINVAL); goto end; } av_log(avctx, AV_LOG_DEBUG, "Decoding level 1 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride); low = s->plane[plane].subband[0]; high = s->plane[plane].subband[2]; output = s->plane[plane].l_h[0]; for (i = 0; i < lowpass_width; i++) { vert_filter(output, lowpass_width, low, lowpass_width, high, highpass_stride, lowpass_height); low++; high++; output++; } low = s->plane[plane].subband[1]; high = s->plane[plane].subband[3]; output = s->plane[plane].l_h[1]; for (i = 0; i < lowpass_width; i++) { // note the stride of "low" is highpass_stride vert_filter(output, lowpass_width, low, highpass_stride, high, highpass_stride, lowpass_height); low++; high++; output++; } low = s->plane[plane].l_h[0]; high = s->plane[plane].l_h[1]; output = s->plane[plane].subband[0]; for (i = 0; i < lowpass_height * 2; i++) { horiz_filter(output, low, high, lowpass_width); low += lowpass_width; high += lowpass_width; output += lowpass_width * 2; } if (s->bpc == 12) { output = s->plane[plane].subband[0]; for (i = 0; i < lowpass_height * 2; i++) { for (j = 0; j < lowpass_width * 2; j++) output[j] *= 4; output += lowpass_width * 2; } } /* level 2 */ lowpass_height = s->plane[plane].band[1][1].height; lowpass_width = s->plane[plane].band[1][1].width; highpass_stride = s->plane[plane].band[1][1].stride; if (lowpass_height > s->plane[plane].band[1][1].a_height || lowpass_width > s->plane[plane].band[1][1].a_width || !highpass_stride || s->plane[plane].band[1][1].width > s->plane[plane].band[1][1].a_width) { av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n"); ret = AVERROR(EINVAL); goto end; } av_log(avctx, AV_LOG_DEBUG, "Level 2 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride); low = s->plane[plane].subband[0]; high = s->plane[plane].subband[5]; output = s->plane[plane].l_h[3]; for (i = 0; i < lowpass_width; i++) { vert_filter(output, lowpass_width, low, lowpass_width, high, highpass_stride, lowpass_height); low++; high++; output++; } low = s->plane[plane].subband[4]; high = s->plane[plane].subband[6]; output = s->plane[plane].l_h[4]; for (i = 0; i < lowpass_width; i++) { vert_filter(output, lowpass_width, low, highpass_stride, high, highpass_stride, lowpass_height); low++; high++; output++; } low = s->plane[plane].l_h[3]; high = s->plane[plane].l_h[4]; output = s->plane[plane].subband[0]; for (i = 0; i < lowpass_height * 2; i++) { horiz_filter(output, low, high, lowpass_width); low += lowpass_width; high += lowpass_width; output += lowpass_width * 2; } output = s->plane[plane].subband[0]; for (i = 0; i < lowpass_height * 2; i++) { for (j = 0; j < lowpass_width * 2; j++) output[j] *= 4; output += lowpass_width * 2; } /* level 3 */ lowpass_height = s->plane[plane].band[2][1].height; lowpass_width = s->plane[plane].band[2][1].width; highpass_stride = s->plane[plane].band[2][1].stride; if (lowpass_height > s->plane[plane].band[2][1].a_height || lowpass_width > s->plane[plane].band[2][1].a_width || !highpass_stride || s->plane[plane].band[2][1].width > s->plane[plane].band[2][1].a_width) { av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n"); ret = AVERROR(EINVAL); goto end; } av_log(avctx, AV_LOG_DEBUG, "Level 3 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride); low = s->plane[plane].subband[0]; high = s->plane[plane].subband[8]; output = s->plane[plane].l_h[6]; for (i = 0; i < lowpass_width; i++) { vert_filter(output, lowpass_width, low, lowpass_width, high, highpass_stride, lowpass_height); low++; high++; output++; } low = s->plane[plane].subband[7]; high = s->plane[plane].subband[9]; output = s->plane[plane].l_h[7]; for (i = 0; i < lowpass_width; i++) { vert_filter(output, lowpass_width, low, highpass_stride, high, highpass_stride, lowpass_height); low++; high++; output++; } dst = (int16_t *)pic->data[act_plane]; low = s->plane[plane].l_h[6]; high = s->plane[plane].l_h[7]; for (i = 0; i < lowpass_height * 2; i++) { horiz_filter_clip(dst, low, high, lowpass_width, s->bpc); low += lowpass_width; high += lowpass_width; dst += pic->linesize[act_plane] / 2; } } end: if (ret < 0) return ret; *got_frame = 1; return avpkt->size; } | 15,251 |
0 | static void vc1_inv_trans_8x8_altivec(DCTELEM block[64]) { vector signed short src0, src1, src2, src3, src4, src5, src6, src7; vector signed int s0, s1, s2, s3, s4, s5, s6, s7; vector signed int s8, s9, sA, sB, sC, sD, sE, sF; vector signed int t0, t1, t2, t3, t4, t5, t6, t7; const vector signed int vec_64 = vec_sl(vec_splat_s32(4), vec_splat_u32(4)); const vector unsigned int vec_7 = vec_splat_u32(7); const vector unsigned int vec_4 = vec_splat_u32(4); const vector signed int vec_4s = vec_splat_s32(4); const vector unsigned int vec_3 = vec_splat_u32(3); const vector unsigned int vec_2 = vec_splat_u32(2); const vector signed int vec_1s = vec_splat_s32(1); const vector unsigned int vec_1 = vec_splat_u32(1); src0 = vec_ld( 0, block); src1 = vec_ld( 16, block); src2 = vec_ld( 32, block); src3 = vec_ld( 48, block); src4 = vec_ld( 64, block); src5 = vec_ld( 80, block); src6 = vec_ld( 96, block); src7 = vec_ld(112, block); s0 = vec_unpackl(src0); s1 = vec_unpackl(src1); s2 = vec_unpackl(src2); s3 = vec_unpackl(src3); s4 = vec_unpackl(src4); s5 = vec_unpackl(src5); s6 = vec_unpackl(src6); s7 = vec_unpackl(src7); s8 = vec_unpackh(src0); s9 = vec_unpackh(src1); sA = vec_unpackh(src2); sB = vec_unpackh(src3); sC = vec_unpackh(src4); sD = vec_unpackh(src5); sE = vec_unpackh(src6); sF = vec_unpackh(src7); STEP8(s0, s1, s2, s3, s4, s5, s6, s7, vec_4s); SHIFT_HOR8(s0, s1, s2, s3, s4, s5, s6, s7); STEP8(s8, s9, sA, sB, sC, sD, sE, sF, vec_4s); SHIFT_HOR8(s8, s9, sA, sB, sC, sD, sE, sF); src0 = vec_pack(s8, s0); src1 = vec_pack(s9, s1); src2 = vec_pack(sA, s2); src3 = vec_pack(sB, s3); src4 = vec_pack(sC, s4); src5 = vec_pack(sD, s5); src6 = vec_pack(sE, s6); src7 = vec_pack(sF, s7); TRANSPOSE8(src0, src1, src2, src3, src4, src5, src6, src7); s0 = vec_unpackl(src0); s1 = vec_unpackl(src1); s2 = vec_unpackl(src2); s3 = vec_unpackl(src3); s4 = vec_unpackl(src4); s5 = vec_unpackl(src5); s6 = vec_unpackl(src6); s7 = vec_unpackl(src7); s8 = vec_unpackh(src0); s9 = vec_unpackh(src1); sA = vec_unpackh(src2); sB = vec_unpackh(src3); sC = vec_unpackh(src4); sD = vec_unpackh(src5); sE = vec_unpackh(src6); sF = vec_unpackh(src7); STEP8(s0, s1, s2, s3, s4, s5, s6, s7, vec_64); SHIFT_VERT8(s0, s1, s2, s3, s4, s5, s6, s7); STEP8(s8, s9, sA, sB, sC, sD, sE, sF, vec_64); SHIFT_VERT8(s8, s9, sA, sB, sC, sD, sE, sF); src0 = vec_pack(s8, s0); src1 = vec_pack(s9, s1); src2 = vec_pack(sA, s2); src3 = vec_pack(sB, s3); src4 = vec_pack(sC, s4); src5 = vec_pack(sD, s5); src6 = vec_pack(sE, s6); src7 = vec_pack(sF, s7); vec_st(src0, 0, block); vec_st(src1, 16, block); vec_st(src2, 32, block); vec_st(src3, 48, block); vec_st(src4, 64, block); vec_st(src5, 80, block); vec_st(src6, 96, block); vec_st(src7,112, block); } | 15,253 |
1 | static int decode_tilehdr(WmallDecodeCtx *s) { uint16_t num_samples[WMALL_MAX_CHANNELS] = { 0 }; /* sum of samples for all currently known subframes of a channel */ uint8_t contains_subframe[WMALL_MAX_CHANNELS]; /* flag indicating if a channel contains the current subframe */ int channels_for_cur_subframe = s->num_channels; /* number of channels that contain the current subframe */ int fixed_channel_layout = 0; /* flag indicating that all channels use the same subfra2me offsets and sizes */ int min_channel_len = 0; /* smallest sum of samples (channels with this length will be processed first) */ int c, tile_aligned; /* reset tiling information */ for (c = 0; c < s->num_channels; c++) s->channel[c].num_subframes = 0; tile_aligned = get_bits1(&s->gb); if (s->max_num_subframes == 1 || tile_aligned) fixed_channel_layout = 1; /* loop until the frame data is split between the subframes */ do { int subframe_len, in_use = 0; /* check which channels contain the subframe */ for (c = 0; c < s->num_channels; c++) { if (num_samples[c] == min_channel_len) { if (fixed_channel_layout || channels_for_cur_subframe == 1 || (min_channel_len == s->samples_per_frame - s->min_samples_per_subframe)) { contains_subframe[c] = in_use = 1; } else { if (get_bits1(&s->gb)) contains_subframe[c] = in_use = 1; } } else contains_subframe[c] = 0; } if (!in_use) { av_log(s->avctx, AV_LOG_ERROR, "Found empty subframe\n"); return AVERROR_INVALIDDATA; } /* get subframe length, subframe_len == 0 is not allowed */ if ((subframe_len = decode_subframe_length(s, min_channel_len)) <= 0) return AVERROR_INVALIDDATA; /* add subframes to the individual channels and find new min_channel_len */ min_channel_len += subframe_len; for (c = 0; c < s->num_channels; c++) { WmallChannelCtx *chan = &s->channel[c]; if (contains_subframe[c]) { if (chan->num_subframes >= MAX_SUBFRAMES) { av_log(s->avctx, AV_LOG_ERROR, "broken frame: num subframes > 31\n"); return AVERROR_INVALIDDATA; } chan->subframe_len[chan->num_subframes] = subframe_len; num_samples[c] += subframe_len; ++chan->num_subframes; if (num_samples[c] > s->samples_per_frame) { av_log(s->avctx, AV_LOG_ERROR, "broken frame: " "channel len(%d) > samples_per_frame(%d)\n", num_samples[c], s->samples_per_frame); return AVERROR_INVALIDDATA; } } else if (num_samples[c] <= min_channel_len) { if (num_samples[c] < min_channel_len) { channels_for_cur_subframe = 0; min_channel_len = num_samples[c]; } ++channels_for_cur_subframe; } } } while (min_channel_len < s->samples_per_frame); for (c = 0; c < s->num_channels; c++) { int i, offset = 0; for (i = 0; i < s->channel[c].num_subframes; i++) { s->channel[c].subframe_offsets[i] = offset; offset += s->channel[c].subframe_len[i]; } } return 0; } | 15,254 |
1 | uart_write(void *opaque, hwaddr addr, uint64_t val64, unsigned int size) { XilinxUARTLite *s = opaque; uint32_t value = val64; unsigned char ch = value; addr >>= 2; switch (addr) { case R_STATUS: hw_error("write to UART STATUS?\n"); break; case R_CTRL: if (value & CONTROL_RST_RX) { s->rx_fifo_pos = 0; s->rx_fifo_len = 0; } s->regs[addr] = value; break; case R_TX: if (s->chr) qemu_chr_fe_write(s->chr, &ch, 1); s->regs[addr] = value; /* hax. */ s->regs[R_STATUS] |= STATUS_IE; break; default: DUART(printf("%s addr=%x v=%x\n", __func__, addr, value)); if (addr < ARRAY_SIZE(s->regs)) s->regs[addr] = value; break; } uart_update_status(s); uart_update_irq(s); } | 15,255 |
1 | static CharDriverState *net_vhost_parse_chardev(const NetdevVhostUserOptions *opts) { CharDriverState *chr = qemu_chr_find(opts->chardev); VhostUserChardevProps props; if (chr == NULL) { error_report("chardev \"%s\" not found", opts->chardev); return NULL; } /* inspect chardev opts */ memset(&props, 0, sizeof(props)); if (qemu_opt_foreach(chr->opts, net_vhost_chardev_opts, &props, NULL)) { return NULL; } if (!props.is_socket || !props.is_unix) { error_report("chardev \"%s\" is not a unix socket", opts->chardev); return NULL; } qemu_chr_fe_claim_no_fail(chr); return chr; } | 15,256 |
1 | static int mp3_read_packet(AVFormatContext *s, AVPacket *pkt) { int ret, size; // AVStream *st = s->streams[0]; size= MP3_PACKET_SIZE; ret= av_get_packet(s->pb, pkt, size); pkt->stream_index = 0; if (ret <= 0) { if(ret<0) return ret; return AVERROR_EOF; } if (ret > ID3v1_TAG_SIZE && memcmp(&pkt->data[ret - ID3v1_TAG_SIZE], "TAG", 3) == 0) ret -= ID3v1_TAG_SIZE; /* note: we need to modify the packet size here to handle the last packet */ pkt->size = ret; return ret; } | 15,257 |
1 | static int pcx_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; AVFrame *const p = data; int compressed, xmin, ymin, xmax, ymax; unsigned int w, h, bits_per_pixel, bytes_per_line, nplanes, stride, y, x, bytes_per_scanline; uint8_t *ptr; const uint8_t *buf_end = buf + buf_size; const uint8_t *bufstart = buf; uint8_t *scanline; int ret = -1; if (buf[0] != 0x0a || buf[1] > 5) { av_log(avctx, AV_LOG_ERROR, "this is not PCX encoded data\n"); return AVERROR_INVALIDDATA; } compressed = buf[2]; xmin = AV_RL16(buf + 4); ymin = AV_RL16(buf + 6); xmax = AV_RL16(buf + 8); ymax = AV_RL16(buf + 10); if (xmax < xmin || ymax < ymin) { av_log(avctx, AV_LOG_ERROR, "invalid image dimensions\n"); return AVERROR_INVALIDDATA; } w = xmax - xmin + 1; h = ymax - ymin + 1; bits_per_pixel = buf[3]; bytes_per_line = AV_RL16(buf + 66); nplanes = buf[65]; bytes_per_scanline = nplanes * bytes_per_line; if (bytes_per_scanline < (w * bits_per_pixel * nplanes + 7) / 8 || (!compressed && bytes_per_scanline > buf_size / h)) { av_log(avctx, AV_LOG_ERROR, "PCX data is corrupted\n"); return AVERROR_INVALIDDATA; } switch ((nplanes << 8) + bits_per_pixel) { case 0x0308: avctx->pix_fmt = AV_PIX_FMT_RGB24; break; case 0x0108: case 0x0104: case 0x0102: case 0x0101: case 0x0401: case 0x0301: case 0x0201: avctx->pix_fmt = AV_PIX_FMT_PAL8; break; default: av_log(avctx, AV_LOG_ERROR, "invalid PCX file\n"); return AVERROR_INVALIDDATA; } buf += 128; if ((ret = ff_set_dimensions(avctx, w, h)) < 0) return ret; if ((ret = ff_get_buffer(avctx, p, 0)) < 0) { av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); return ret; } p->pict_type = AV_PICTURE_TYPE_I; ptr = p->data[0]; stride = p->linesize[0]; scanline = av_malloc(bytes_per_scanline); if (!scanline) return AVERROR(ENOMEM); if (nplanes == 3 && bits_per_pixel == 8) { for (y = 0; y < h; y++) { buf = pcx_rle_decode(buf, buf_end, scanline, bytes_per_scanline, compressed); for (x = 0; x < w; x++) { ptr[3 * x] = scanline[x]; ptr[3 * x + 1] = scanline[x + bytes_per_line]; ptr[3 * x + 2] = scanline[x + (bytes_per_line << 1)]; } ptr += stride; } } else if (nplanes == 1 && bits_per_pixel == 8) { const uint8_t *palstart = bufstart + buf_size - 769; if (buf_size < 769) { av_log(avctx, AV_LOG_ERROR, "File is too short\n"); ret = avctx->err_recognition & AV_EF_EXPLODE ? AVERROR_INVALIDDATA : buf_size; goto end; } for (y = 0; y < h; y++, ptr += stride) { buf = pcx_rle_decode(buf, buf_end, scanline, bytes_per_scanline, compressed); memcpy(ptr, scanline, w); } if (buf != palstart) { av_log(avctx, AV_LOG_WARNING, "image data possibly corrupted\n"); buf = palstart; } if (*buf++ != 12) { av_log(avctx, AV_LOG_ERROR, "expected palette after image data\n"); ret = avctx->err_recognition & AV_EF_EXPLODE ? AVERROR_INVALIDDATA : buf_size; goto end; } } else if (nplanes == 1) { /* all packed formats, max. 16 colors */ GetBitContext s; for (y = 0; y < h; y++) { init_get_bits(&s, scanline, bytes_per_scanline << 3); buf = pcx_rle_decode(buf, buf_end, scanline, bytes_per_scanline, compressed); for (x = 0; x < w; x++) ptr[x] = get_bits(&s, bits_per_pixel); ptr += stride; } } else { /* planar, 4, 8 or 16 colors */ int i; for (y = 0; y < h; y++) { buf = pcx_rle_decode(buf, buf_end, scanline, bytes_per_scanline, compressed); for (x = 0; x < w; x++) { int m = 0x80 >> (x & 7), v = 0; for (i = nplanes - 1; i >= 0; i--) { v <<= 1; v += !!(scanline[i * bytes_per_line + (x >> 3)] & m); } ptr[x] = v; } ptr += stride; } } if (nplanes == 1 && bits_per_pixel == 8) { pcx_palette(&buf, (uint32_t *)p->data[1], 256); } else if (bits_per_pixel < 8) { const uint8_t *palette = bufstart + 16; pcx_palette(&palette, (uint32_t *)p->data[1], 16); } *got_frame = 1; ret = buf - bufstart; end: av_free(scanline); return ret; } | 15,259 |
0 | static int mkv_write_trailer(AVFormatContext *s) { MatroskaMuxContext *mkv = s->priv_data; AVIOContext *pb = s->pb; int64_t currentpos, cuespos; int ret; // check if we have an audio packet cached if (mkv->cur_audio_pkt.size > 0) { ret = mkv_write_packet_internal(s, &mkv->cur_audio_pkt); mkv->cur_audio_pkt.size = 0; if (ret < 0) { av_log(s, AV_LOG_ERROR, "Could not write cached audio packet ret:%d\n", ret); return ret; } } if (mkv->dyn_bc) { end_ebml_master(mkv->dyn_bc, mkv->cluster); mkv_flush_dynbuf(s); } else if (mkv->cluster_pos) { end_ebml_master(pb, mkv->cluster); } if (pb->seekable) { if (mkv->cues->num_entries) { cuespos = mkv_write_cues(pb, mkv->cues, s->nb_streams); ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_CUES, cuespos); if (ret < 0) return ret; } mkv_write_seekhead(pb, mkv->main_seekhead); // update the duration av_log(s, AV_LOG_DEBUG, "end duration = %" PRIu64 "\n", mkv->duration); currentpos = avio_tell(pb); avio_seek(pb, mkv->duration_offset, SEEK_SET); put_ebml_float(pb, MATROSKA_ID_DURATION, mkv->duration); avio_seek(pb, currentpos, SEEK_SET); } end_ebml_master(pb, mkv->segment); av_free(mkv->tracks); av_freep(&mkv->cues->entries); av_freep(&mkv->cues); av_destruct_packet(&mkv->cur_audio_pkt); avio_flush(pb); return 0; } | 15,261 |
1 | int is_adx(const unsigned char *buf,size_t bufsize) { int offset; if (buf[0]!=0x80) return 0; offset = (read_long(buf)^0x80000000)+4; if (bufsize<offset || memcmp(buf+offset-6,"(c)CRI",6)) return 0; return offset; } | 15,263 |
1 | rfc3986_parse_port(URI *uri, const char **str) { const char *cur = *str; if (ISA_DIGIT(cur)) { if (uri != NULL) uri->port = 0; while (ISA_DIGIT(cur)) { if (uri != NULL) uri->port = uri->port * 10 + (*cur - '0'); cur++; } *str = cur; return(0); } return(1); } | 15,265 |
1 | static void encode_422_bitstream(HYuvContext *s, int count){ int i; count/=2; if(s->flags&CODEC_FLAG_PASS1){ for(i=0; i<count; i++){ s->stats[0][ s->temp[0][2*i ] ]++; s->stats[1][ s->temp[1][ i ] ]++; s->stats[0][ s->temp[0][2*i+1] ]++; s->stats[2][ s->temp[2][ i ] ]++; } }else if(s->context){ for(i=0; i<count; i++){ s->stats[0][ s->temp[0][2*i ] ]++; put_bits(&s->pb, s->len[0][ s->temp[0][2*i ] ], s->bits[0][ s->temp[0][2*i ] ]); s->stats[1][ s->temp[1][ i ] ]++; put_bits(&s->pb, s->len[1][ s->temp[1][ i ] ], s->bits[1][ s->temp[1][ i ] ]); s->stats[0][ s->temp[0][2*i+1] ]++; put_bits(&s->pb, s->len[0][ s->temp[0][2*i+1] ], s->bits[0][ s->temp[0][2*i+1] ]); s->stats[2][ s->temp[2][ i ] ]++; put_bits(&s->pb, s->len[2][ s->temp[2][ i ] ], s->bits[2][ s->temp[2][ i ] ]); } }else{ for(i=0; i<count; i++){ put_bits(&s->pb, s->len[0][ s->temp[0][2*i ] ], s->bits[0][ s->temp[0][2*i ] ]); put_bits(&s->pb, s->len[1][ s->temp[1][ i ] ], s->bits[1][ s->temp[1][ i ] ]); put_bits(&s->pb, s->len[0][ s->temp[0][2*i+1] ], s->bits[0][ s->temp[0][2*i+1] ]); put_bits(&s->pb, s->len[2][ s->temp[2][ i ] ], s->bits[2][ s->temp[2][ i ] ]); } } } | 15,266 |
1 | static int usb_net_handle_dataout(USBNetState *s, USBPacket *p) { int ret = p->len; int sz = sizeof(s->out_buf) - s->out_ptr; struct rndis_packet_msg_type *msg = (struct rndis_packet_msg_type *) s->out_buf; uint32_t len; #ifdef TRAFFIC_DEBUG fprintf(stderr, "usbnet: data out len %u\n", p->len); { int i; fprintf(stderr, ":"); for (i = 0; i < p->len; i++) { if (!(i & 15)) fprintf(stderr, "\n%04x:", i); fprintf(stderr, " %02x", p->data[i]); } fprintf(stderr, "\n\n"); } #endif if (sz > ret) sz = ret; memcpy(&s->out_buf[s->out_ptr], p->data, sz); s->out_ptr += sz; if (!is_rndis(s)) { if (ret < 64) { qemu_send_packet(&s->nic->nc, s->out_buf, s->out_ptr); s->out_ptr = 0; } return ret; } len = le32_to_cpu(msg->MessageLength); if (s->out_ptr < 8 || s->out_ptr < len) return ret; if (le32_to_cpu(msg->MessageType) == RNDIS_PACKET_MSG) { uint32_t offs = 8 + le32_to_cpu(msg->DataOffset); uint32_t size = le32_to_cpu(msg->DataLength); if (offs + size <= len) qemu_send_packet(&s->nic->nc, s->out_buf + offs, size); } s->out_ptr -= len; memmove(s->out_buf, &s->out_buf[len], s->out_ptr); return ret; } | 15,267 |
1 | static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) { int32_t disp21, disp16, disp12 __attribute__((unused)); uint16_t fn11; uint8_t opc, ra, rb, rc, fpfn, fn7, lit; bool islit, real_islit; TCGv va, vb, vc, tmp, tmp2; TCGv_i32 t32; DisasJumpType ret; /* Decode all instruction fields */ opc = extract32(insn, 26, 6); ra = extract32(insn, 21, 5); rb = extract32(insn, 16, 5); rc = extract32(insn, 0, 5); real_islit = islit = extract32(insn, 12, 1); lit = extract32(insn, 13, 8); disp21 = sextract32(insn, 0, 21); disp16 = sextract32(insn, 0, 16); disp12 = sextract32(insn, 0, 12); fn11 = extract32(insn, 5, 11); fpfn = extract32(insn, 5, 6); fn7 = extract32(insn, 5, 7); if (rb == 31 && !islit) { islit = true; lit = 0; } ret = DISAS_NEXT; switch (opc) { case 0x00: /* CALL_PAL */ ret = gen_call_pal(ctx, insn & 0x03ffffff); break; case 0x01: /* OPC01 */ goto invalid_opc; case 0x02: /* OPC02 */ goto invalid_opc; case 0x03: /* OPC03 */ goto invalid_opc; case 0x04: /* OPC04 */ goto invalid_opc; case 0x05: /* OPC05 */ goto invalid_opc; case 0x06: /* OPC06 */ goto invalid_opc; case 0x07: /* OPC07 */ goto invalid_opc; case 0x09: /* LDAH */ disp16 = (uint32_t)disp16 << 16; /* fall through */ case 0x08: /* LDA */ va = dest_gpr(ctx, ra); /* It's worth special-casing immediate loads. */ if (rb == 31) { tcg_gen_movi_i64(va, disp16); } else { tcg_gen_addi_i64(va, load_gpr(ctx, rb), disp16); } break; case 0x0A: /* LDBU */ REQUIRE_AMASK(BWX); gen_load_mem(ctx, &tcg_gen_qemu_ld8u, ra, rb, disp16, 0, 0); break; case 0x0B: /* LDQ_U */ gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 0, 1); break; case 0x0C: /* LDWU */ REQUIRE_AMASK(BWX); gen_load_mem(ctx, &tcg_gen_qemu_ld16u, ra, rb, disp16, 0, 0); break; case 0x0D: /* STW */ REQUIRE_AMASK(BWX); gen_store_mem(ctx, &tcg_gen_qemu_st16, ra, rb, disp16, 0, 0); break; case 0x0E: /* STB */ REQUIRE_AMASK(BWX); gen_store_mem(ctx, &tcg_gen_qemu_st8, ra, rb, disp16, 0, 0); break; case 0x0F: /* STQ_U */ gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 0, 1); break; case 0x10: vc = dest_gpr(ctx, rc); vb = load_gpr_lit(ctx, rb, lit, islit); if (ra == 31) { if (fn7 == 0x00) { /* Special case ADDL as SEXTL. */ tcg_gen_ext32s_i64(vc, vb); break; } if (fn7 == 0x29) { /* Special case SUBQ as NEGQ. */ tcg_gen_neg_i64(vc, vb); break; } } va = load_gpr(ctx, ra); switch (fn7) { case 0x00: /* ADDL */ tcg_gen_add_i64(vc, va, vb); tcg_gen_ext32s_i64(vc, vc); break; case 0x02: /* S4ADDL */ tmp = tcg_temp_new(); tcg_gen_shli_i64(tmp, va, 2); tcg_gen_add_i64(tmp, tmp, vb); tcg_gen_ext32s_i64(vc, tmp); tcg_temp_free(tmp); break; case 0x09: /* SUBL */ tcg_gen_sub_i64(vc, va, vb); tcg_gen_ext32s_i64(vc, vc); break; case 0x0B: /* S4SUBL */ tmp = tcg_temp_new(); tcg_gen_shli_i64(tmp, va, 2); tcg_gen_sub_i64(tmp, tmp, vb); tcg_gen_ext32s_i64(vc, tmp); tcg_temp_free(tmp); break; case 0x0F: /* CMPBGE */ if (ra == 31) { /* Special case 0 >= X as X == 0. */ gen_helper_cmpbe0(vc, vb); } else { gen_helper_cmpbge(vc, va, vb); } break; case 0x12: /* S8ADDL */ tmp = tcg_temp_new(); tcg_gen_shli_i64(tmp, va, 3); tcg_gen_add_i64(tmp, tmp, vb); tcg_gen_ext32s_i64(vc, tmp); tcg_temp_free(tmp); break; case 0x1B: /* S8SUBL */ tmp = tcg_temp_new(); tcg_gen_shli_i64(tmp, va, 3); tcg_gen_sub_i64(tmp, tmp, vb); tcg_gen_ext32s_i64(vc, tmp); tcg_temp_free(tmp); break; case 0x1D: /* CMPULT */ tcg_gen_setcond_i64(TCG_COND_LTU, vc, va, vb); break; case 0x20: /* ADDQ */ tcg_gen_add_i64(vc, va, vb); break; case 0x22: /* S4ADDQ */ tmp = tcg_temp_new(); tcg_gen_shli_i64(tmp, va, 2); tcg_gen_add_i64(vc, tmp, vb); tcg_temp_free(tmp); break; case 0x29: /* SUBQ */ tcg_gen_sub_i64(vc, va, vb); break; case 0x2B: /* S4SUBQ */ tmp = tcg_temp_new(); tcg_gen_shli_i64(tmp, va, 2); tcg_gen_sub_i64(vc, tmp, vb); tcg_temp_free(tmp); break; case 0x2D: /* CMPEQ */ tcg_gen_setcond_i64(TCG_COND_EQ, vc, va, vb); break; case 0x32: /* S8ADDQ */ tmp = tcg_temp_new(); tcg_gen_shli_i64(tmp, va, 3); tcg_gen_add_i64(vc, tmp, vb); tcg_temp_free(tmp); break; case 0x3B: /* S8SUBQ */ tmp = tcg_temp_new(); tcg_gen_shli_i64(tmp, va, 3); tcg_gen_sub_i64(vc, tmp, vb); tcg_temp_free(tmp); break; case 0x3D: /* CMPULE */ tcg_gen_setcond_i64(TCG_COND_LEU, vc, va, vb); break; case 0x40: /* ADDL/V */ tmp = tcg_temp_new(); tcg_gen_ext32s_i64(tmp, va); tcg_gen_ext32s_i64(vc, vb); tcg_gen_add_i64(tmp, tmp, vc); tcg_gen_ext32s_i64(vc, tmp); gen_helper_check_overflow(cpu_env, vc, tmp); tcg_temp_free(tmp); break; case 0x49: /* SUBL/V */ tmp = tcg_temp_new(); tcg_gen_ext32s_i64(tmp, va); tcg_gen_ext32s_i64(vc, vb); tcg_gen_sub_i64(tmp, tmp, vc); tcg_gen_ext32s_i64(vc, tmp); gen_helper_check_overflow(cpu_env, vc, tmp); tcg_temp_free(tmp); break; case 0x4D: /* CMPLT */ tcg_gen_setcond_i64(TCG_COND_LT, vc, va, vb); break; case 0x60: /* ADDQ/V */ tmp = tcg_temp_new(); tmp2 = tcg_temp_new(); tcg_gen_eqv_i64(tmp, va, vb); tcg_gen_mov_i64(tmp2, va); tcg_gen_add_i64(vc, va, vb); tcg_gen_xor_i64(tmp2, tmp2, vc); tcg_gen_and_i64(tmp, tmp, tmp2); tcg_gen_shri_i64(tmp, tmp, 63); tcg_gen_movi_i64(tmp2, 0); gen_helper_check_overflow(cpu_env, tmp, tmp2); tcg_temp_free(tmp); tcg_temp_free(tmp2); break; case 0x69: /* SUBQ/V */ tmp = tcg_temp_new(); tmp2 = tcg_temp_new(); tcg_gen_xor_i64(tmp, va, vb); tcg_gen_mov_i64(tmp2, va); tcg_gen_sub_i64(vc, va, vb); tcg_gen_xor_i64(tmp2, tmp2, vc); tcg_gen_and_i64(tmp, tmp, tmp2); tcg_gen_shri_i64(tmp, tmp, 63); tcg_gen_movi_i64(tmp2, 0); gen_helper_check_overflow(cpu_env, tmp, tmp2); tcg_temp_free(tmp); tcg_temp_free(tmp2); break; case 0x6D: /* CMPLE */ tcg_gen_setcond_i64(TCG_COND_LE, vc, va, vb); break; default: goto invalid_opc; } break; case 0x11: if (fn7 == 0x20) { if (rc == 31) { /* Special case BIS as NOP. */ break; } if (ra == 31) { /* Special case BIS as MOV. */ vc = dest_gpr(ctx, rc); if (islit) { tcg_gen_movi_i64(vc, lit); } else { tcg_gen_mov_i64(vc, load_gpr(ctx, rb)); } break; } } vc = dest_gpr(ctx, rc); vb = load_gpr_lit(ctx, rb, lit, islit); if (fn7 == 0x28 && ra == 31) { /* Special case ORNOT as NOT. */ tcg_gen_not_i64(vc, vb); break; } va = load_gpr(ctx, ra); switch (fn7) { case 0x00: /* AND */ tcg_gen_and_i64(vc, va, vb); break; case 0x08: /* BIC */ tcg_gen_andc_i64(vc, va, vb); break; case 0x14: /* CMOVLBS */ tmp = tcg_temp_new(); tcg_gen_andi_i64(tmp, va, 1); tcg_gen_movcond_i64(TCG_COND_NE, vc, tmp, load_zero(ctx), vb, load_gpr(ctx, rc)); tcg_temp_free(tmp); break; case 0x16: /* CMOVLBC */ tmp = tcg_temp_new(); tcg_gen_andi_i64(tmp, va, 1); tcg_gen_movcond_i64(TCG_COND_EQ, vc, tmp, load_zero(ctx), vb, load_gpr(ctx, rc)); tcg_temp_free(tmp); break; case 0x20: /* BIS */ tcg_gen_or_i64(vc, va, vb); break; case 0x24: /* CMOVEQ */ tcg_gen_movcond_i64(TCG_COND_EQ, vc, va, load_zero(ctx), vb, load_gpr(ctx, rc)); break; case 0x26: /* CMOVNE */ tcg_gen_movcond_i64(TCG_COND_NE, vc, va, load_zero(ctx), vb, load_gpr(ctx, rc)); break; case 0x28: /* ORNOT */ tcg_gen_orc_i64(vc, va, vb); break; case 0x40: /* XOR */ tcg_gen_xor_i64(vc, va, vb); break; case 0x44: /* CMOVLT */ tcg_gen_movcond_i64(TCG_COND_LT, vc, va, load_zero(ctx), vb, load_gpr(ctx, rc)); break; case 0x46: /* CMOVGE */ tcg_gen_movcond_i64(TCG_COND_GE, vc, va, load_zero(ctx), vb, load_gpr(ctx, rc)); break; case 0x48: /* EQV */ tcg_gen_eqv_i64(vc, va, vb); break; case 0x61: /* AMASK */ REQUIRE_REG_31(ra); tcg_gen_andi_i64(vc, vb, ~ctx->amask); break; case 0x64: /* CMOVLE */ tcg_gen_movcond_i64(TCG_COND_LE, vc, va, load_zero(ctx), vb, load_gpr(ctx, rc)); break; case 0x66: /* CMOVGT */ tcg_gen_movcond_i64(TCG_COND_GT, vc, va, load_zero(ctx), vb, load_gpr(ctx, rc)); break; case 0x6C: /* IMPLVER */ REQUIRE_REG_31(ra); tcg_gen_movi_i64(vc, ctx->implver); break; default: goto invalid_opc; } break; case 0x12: vc = dest_gpr(ctx, rc); va = load_gpr(ctx, ra); switch (fn7) { case 0x02: /* MSKBL */ gen_msk_l(ctx, vc, va, rb, islit, lit, 0x01); break; case 0x06: /* EXTBL */ gen_ext_l(ctx, vc, va, rb, islit, lit, 0x01); break; case 0x0B: /* INSBL */ gen_ins_l(ctx, vc, va, rb, islit, lit, 0x01); break; case 0x12: /* MSKWL */ gen_msk_l(ctx, vc, va, rb, islit, lit, 0x03); break; case 0x16: /* EXTWL */ gen_ext_l(ctx, vc, va, rb, islit, lit, 0x03); break; case 0x1B: /* INSWL */ gen_ins_l(ctx, vc, va, rb, islit, lit, 0x03); break; case 0x22: /* MSKLL */ gen_msk_l(ctx, vc, va, rb, islit, lit, 0x0f); break; case 0x26: /* EXTLL */ gen_ext_l(ctx, vc, va, rb, islit, lit, 0x0f); break; case 0x2B: /* INSLL */ gen_ins_l(ctx, vc, va, rb, islit, lit, 0x0f); break; case 0x30: /* ZAP */ if (islit) { gen_zapnoti(vc, va, ~lit); } else { gen_helper_zap(vc, va, load_gpr(ctx, rb)); } break; case 0x31: /* ZAPNOT */ if (islit) { gen_zapnoti(vc, va, lit); } else { gen_helper_zapnot(vc, va, load_gpr(ctx, rb)); } break; case 0x32: /* MSKQL */ gen_msk_l(ctx, vc, va, rb, islit, lit, 0xff); break; case 0x34: /* SRL */ if (islit) { tcg_gen_shri_i64(vc, va, lit & 0x3f); } else { tmp = tcg_temp_new(); vb = load_gpr(ctx, rb); tcg_gen_andi_i64(tmp, vb, 0x3f); tcg_gen_shr_i64(vc, va, tmp); tcg_temp_free(tmp); } break; case 0x36: /* EXTQL */ gen_ext_l(ctx, vc, va, rb, islit, lit, 0xff); break; case 0x39: /* SLL */ if (islit) { tcg_gen_shli_i64(vc, va, lit & 0x3f); } else { tmp = tcg_temp_new(); vb = load_gpr(ctx, rb); tcg_gen_andi_i64(tmp, vb, 0x3f); tcg_gen_shl_i64(vc, va, tmp); tcg_temp_free(tmp); } break; case 0x3B: /* INSQL */ gen_ins_l(ctx, vc, va, rb, islit, lit, 0xff); break; case 0x3C: /* SRA */ if (islit) { tcg_gen_sari_i64(vc, va, lit & 0x3f); } else { tmp = tcg_temp_new(); vb = load_gpr(ctx, rb); tcg_gen_andi_i64(tmp, vb, 0x3f); tcg_gen_sar_i64(vc, va, tmp); tcg_temp_free(tmp); } break; case 0x52: /* MSKWH */ gen_msk_h(ctx, vc, va, rb, islit, lit, 0x03); break; case 0x57: /* INSWH */ gen_ins_h(ctx, vc, va, rb, islit, lit, 0x03); break; case 0x5A: /* EXTWH */ gen_ext_h(ctx, vc, va, rb, islit, lit, 0x03); break; case 0x62: /* MSKLH */ gen_msk_h(ctx, vc, va, rb, islit, lit, 0x0f); break; case 0x67: /* INSLH */ gen_ins_h(ctx, vc, va, rb, islit, lit, 0x0f); break; case 0x6A: /* EXTLH */ gen_ext_h(ctx, vc, va, rb, islit, lit, 0x0f); break; case 0x72: /* MSKQH */ gen_msk_h(ctx, vc, va, rb, islit, lit, 0xff); break; case 0x77: /* INSQH */ gen_ins_h(ctx, vc, va, rb, islit, lit, 0xff); break; case 0x7A: /* EXTQH */ gen_ext_h(ctx, vc, va, rb, islit, lit, 0xff); break; default: goto invalid_opc; } break; case 0x13: vc = dest_gpr(ctx, rc); vb = load_gpr_lit(ctx, rb, lit, islit); va = load_gpr(ctx, ra); switch (fn7) { case 0x00: /* MULL */ tcg_gen_mul_i64(vc, va, vb); tcg_gen_ext32s_i64(vc, vc); break; case 0x20: /* MULQ */ tcg_gen_mul_i64(vc, va, vb); break; case 0x30: /* UMULH */ tmp = tcg_temp_new(); tcg_gen_mulu2_i64(tmp, vc, va, vb); tcg_temp_free(tmp); break; case 0x40: /* MULL/V */ tmp = tcg_temp_new(); tcg_gen_ext32s_i64(tmp, va); tcg_gen_ext32s_i64(vc, vb); tcg_gen_mul_i64(tmp, tmp, vc); tcg_gen_ext32s_i64(vc, tmp); gen_helper_check_overflow(cpu_env, vc, tmp); tcg_temp_free(tmp); break; case 0x60: /* MULQ/V */ tmp = tcg_temp_new(); tmp2 = tcg_temp_new(); tcg_gen_muls2_i64(vc, tmp, va, vb); tcg_gen_sari_i64(tmp2, vc, 63); gen_helper_check_overflow(cpu_env, tmp, tmp2); tcg_temp_free(tmp); tcg_temp_free(tmp2); break; default: goto invalid_opc; } break; case 0x14: REQUIRE_AMASK(FIX); vc = dest_fpr(ctx, rc); switch (fpfn) { /* fn11 & 0x3F */ case 0x04: /* ITOFS */ REQUIRE_REG_31(rb); t32 = tcg_temp_new_i32(); va = load_gpr(ctx, ra); tcg_gen_extrl_i64_i32(t32, va); gen_helper_memory_to_s(vc, t32); tcg_temp_free_i32(t32); break; case 0x0A: /* SQRTF */ REQUIRE_REG_31(ra); vb = load_fpr(ctx, rb); gen_helper_sqrtf(vc, cpu_env, vb); break; case 0x0B: /* SQRTS */ REQUIRE_REG_31(ra); gen_sqrts(ctx, rb, rc, fn11); break; case 0x14: /* ITOFF */ REQUIRE_REG_31(rb); t32 = tcg_temp_new_i32(); va = load_gpr(ctx, ra); tcg_gen_extrl_i64_i32(t32, va); gen_helper_memory_to_f(vc, t32); tcg_temp_free_i32(t32); break; case 0x24: /* ITOFT */ REQUIRE_REG_31(rb); va = load_gpr(ctx, ra); tcg_gen_mov_i64(vc, va); break; case 0x2A: /* SQRTG */ REQUIRE_REG_31(ra); vb = load_fpr(ctx, rb); gen_helper_sqrtg(vc, cpu_env, vb); break; case 0x02B: /* SQRTT */ REQUIRE_REG_31(ra); gen_sqrtt(ctx, rb, rc, fn11); break; default: goto invalid_opc; } break; case 0x15: /* VAX floating point */ /* XXX: rounding mode and trap are ignored (!) */ vc = dest_fpr(ctx, rc); vb = load_fpr(ctx, rb); va = load_fpr(ctx, ra); switch (fpfn) { /* fn11 & 0x3F */ case 0x00: /* ADDF */ gen_helper_addf(vc, cpu_env, va, vb); break; case 0x01: /* SUBF */ gen_helper_subf(vc, cpu_env, va, vb); break; case 0x02: /* MULF */ gen_helper_mulf(vc, cpu_env, va, vb); break; case 0x03: /* DIVF */ gen_helper_divf(vc, cpu_env, va, vb); break; case 0x1E: /* CVTDG -- TODO */ REQUIRE_REG_31(ra); goto invalid_opc; case 0x20: /* ADDG */ gen_helper_addg(vc, cpu_env, va, vb); break; case 0x21: /* SUBG */ gen_helper_subg(vc, cpu_env, va, vb); break; case 0x22: /* MULG */ gen_helper_mulg(vc, cpu_env, va, vb); break; case 0x23: /* DIVG */ gen_helper_divg(vc, cpu_env, va, vb); break; case 0x25: /* CMPGEQ */ gen_helper_cmpgeq(vc, cpu_env, va, vb); break; case 0x26: /* CMPGLT */ gen_helper_cmpglt(vc, cpu_env, va, vb); break; case 0x27: /* CMPGLE */ gen_helper_cmpgle(vc, cpu_env, va, vb); break; case 0x2C: /* CVTGF */ REQUIRE_REG_31(ra); gen_helper_cvtgf(vc, cpu_env, vb); break; case 0x2D: /* CVTGD -- TODO */ REQUIRE_REG_31(ra); goto invalid_opc; case 0x2F: /* CVTGQ */ REQUIRE_REG_31(ra); gen_helper_cvtgq(vc, cpu_env, vb); break; case 0x3C: /* CVTQF */ REQUIRE_REG_31(ra); gen_helper_cvtqf(vc, cpu_env, vb); break; case 0x3E: /* CVTQG */ REQUIRE_REG_31(ra); gen_helper_cvtqg(vc, cpu_env, vb); break; default: goto invalid_opc; } break; case 0x16: /* IEEE floating-point */ switch (fpfn) { /* fn11 & 0x3F */ case 0x00: /* ADDS */ gen_adds(ctx, ra, rb, rc, fn11); break; case 0x01: /* SUBS */ gen_subs(ctx, ra, rb, rc, fn11); break; case 0x02: /* MULS */ gen_muls(ctx, ra, rb, rc, fn11); break; case 0x03: /* DIVS */ gen_divs(ctx, ra, rb, rc, fn11); break; case 0x20: /* ADDT */ gen_addt(ctx, ra, rb, rc, fn11); break; case 0x21: /* SUBT */ gen_subt(ctx, ra, rb, rc, fn11); break; case 0x22: /* MULT */ gen_mult(ctx, ra, rb, rc, fn11); break; case 0x23: /* DIVT */ gen_divt(ctx, ra, rb, rc, fn11); break; case 0x24: /* CMPTUN */ gen_cmptun(ctx, ra, rb, rc, fn11); break; case 0x25: /* CMPTEQ */ gen_cmpteq(ctx, ra, rb, rc, fn11); break; case 0x26: /* CMPTLT */ gen_cmptlt(ctx, ra, rb, rc, fn11); break; case 0x27: /* CMPTLE */ gen_cmptle(ctx, ra, rb, rc, fn11); break; case 0x2C: REQUIRE_REG_31(ra); if (fn11 == 0x2AC || fn11 == 0x6AC) { /* CVTST */ gen_cvtst(ctx, rb, rc, fn11); } else { /* CVTTS */ gen_cvtts(ctx, rb, rc, fn11); } break; case 0x2F: /* CVTTQ */ REQUIRE_REG_31(ra); gen_cvttq(ctx, rb, rc, fn11); break; case 0x3C: /* CVTQS */ REQUIRE_REG_31(ra); gen_cvtqs(ctx, rb, rc, fn11); break; case 0x3E: /* CVTQT */ REQUIRE_REG_31(ra); gen_cvtqt(ctx, rb, rc, fn11); break; default: goto invalid_opc; } break; case 0x17: switch (fn11) { case 0x010: /* CVTLQ */ REQUIRE_REG_31(ra); vc = dest_fpr(ctx, rc); vb = load_fpr(ctx, rb); gen_cvtlq(vc, vb); break; case 0x020: /* CPYS */ if (rc == 31) { /* Special case CPYS as FNOP. */ } else { vc = dest_fpr(ctx, rc); va = load_fpr(ctx, ra); if (ra == rb) { /* Special case CPYS as FMOV. */ tcg_gen_mov_i64(vc, va); } else { vb = load_fpr(ctx, rb); gen_cpy_mask(vc, va, vb, 0, 0x8000000000000000ULL); } } break; case 0x021: /* CPYSN */ vc = dest_fpr(ctx, rc); vb = load_fpr(ctx, rb); va = load_fpr(ctx, ra); gen_cpy_mask(vc, va, vb, 1, 0x8000000000000000ULL); break; case 0x022: /* CPYSE */ vc = dest_fpr(ctx, rc); vb = load_fpr(ctx, rb); va = load_fpr(ctx, ra); gen_cpy_mask(vc, va, vb, 0, 0xFFF0000000000000ULL); break; case 0x024: /* MT_FPCR */ va = load_fpr(ctx, ra); gen_helper_store_fpcr(cpu_env, va); if (ctx->tb_rm == QUAL_RM_D) { /* Re-do the copy of the rounding mode to fp_status the next time we use dynamic rounding. */ ctx->tb_rm = -1; } break; case 0x025: /* MF_FPCR */ va = dest_fpr(ctx, ra); gen_helper_load_fpcr(va, cpu_env); break; case 0x02A: /* FCMOVEQ */ gen_fcmov(ctx, TCG_COND_EQ, ra, rb, rc); break; case 0x02B: /* FCMOVNE */ gen_fcmov(ctx, TCG_COND_NE, ra, rb, rc); break; case 0x02C: /* FCMOVLT */ gen_fcmov(ctx, TCG_COND_LT, ra, rb, rc); break; case 0x02D: /* FCMOVGE */ gen_fcmov(ctx, TCG_COND_GE, ra, rb, rc); break; case 0x02E: /* FCMOVLE */ gen_fcmov(ctx, TCG_COND_LE, ra, rb, rc); break; case 0x02F: /* FCMOVGT */ gen_fcmov(ctx, TCG_COND_GT, ra, rb, rc); break; case 0x030: /* CVTQL */ case 0x130: /* CVTQL/V */ case 0x530: /* CVTQL/SV */ REQUIRE_REG_31(ra); vc = dest_fpr(ctx, rc); vb = load_fpr(ctx, rb); gen_helper_cvtql(vc, cpu_env, vb); gen_fp_exc_raise(rc, fn11); break; default: goto invalid_opc; } break; case 0x18: switch ((uint16_t)disp16) { case 0x0000: /* TRAPB */ /* No-op. */ break; case 0x0400: /* EXCB */ /* No-op. */ break; case 0x4000: /* MB */ tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC); break; case 0x4400: /* WMB */ tcg_gen_mb(TCG_MO_ST_ST | TCG_BAR_SC); break; case 0x8000: /* FETCH */ /* No-op */ break; case 0xA000: /* FETCH_M */ /* No-op */ break; case 0xC000: /* RPCC */ va = dest_gpr(ctx, ra); if (ctx->base.tb->cflags & CF_USE_ICOUNT) { gen_io_start(); gen_helper_load_pcc(va, cpu_env); gen_io_end(); ret = DISAS_PC_STALE; } else { gen_helper_load_pcc(va, cpu_env); } break; case 0xE000: /* RC */ gen_rx(ctx, ra, 0); break; case 0xE800: /* ECB */ break; case 0xF000: /* RS */ gen_rx(ctx, ra, 1); break; case 0xF800: /* WH64 */ /* No-op */ break; case 0xFC00: /* WH64EN */ /* No-op */ break; default: goto invalid_opc; } break; case 0x19: /* HW_MFPR (PALcode) */ #ifndef CONFIG_USER_ONLY REQUIRE_TB_FLAG(ENV_FLAG_PAL_MODE); va = dest_gpr(ctx, ra); ret = gen_mfpr(ctx, va, insn & 0xffff); break; #else goto invalid_opc; #endif case 0x1A: /* JMP, JSR, RET, JSR_COROUTINE. These only differ by the branch prediction stack action, which of course we don't implement. */ vb = load_gpr(ctx, rb); tcg_gen_andi_i64(cpu_pc, vb, ~3); if (ra != 31) { tcg_gen_movi_i64(ctx->ir[ra], ctx->base.pc_next); } ret = DISAS_PC_UPDATED; break; case 0x1B: /* HW_LD (PALcode) */ #ifndef CONFIG_USER_ONLY REQUIRE_TB_FLAG(ENV_FLAG_PAL_MODE); { TCGv addr = tcg_temp_new(); vb = load_gpr(ctx, rb); va = dest_gpr(ctx, ra); tcg_gen_addi_i64(addr, vb, disp12); switch ((insn >> 12) & 0xF) { case 0x0: /* Longword physical access (hw_ldl/p) */ tcg_gen_qemu_ld_i64(va, addr, MMU_PHYS_IDX, MO_LESL); break; case 0x1: /* Quadword physical access (hw_ldq/p) */ tcg_gen_qemu_ld_i64(va, addr, MMU_PHYS_IDX, MO_LEQ); break; case 0x2: /* Longword physical access with lock (hw_ldl_l/p) */ gen_qemu_ldl_l(va, addr, MMU_PHYS_IDX); break; case 0x3: /* Quadword physical access with lock (hw_ldq_l/p) */ gen_qemu_ldq_l(va, addr, MMU_PHYS_IDX); break; case 0x4: /* Longword virtual PTE fetch (hw_ldl/v) */ goto invalid_opc; case 0x5: /* Quadword virtual PTE fetch (hw_ldq/v) */ goto invalid_opc; break; case 0x6: /* Invalid */ goto invalid_opc; case 0x7: /* Invaliid */ goto invalid_opc; case 0x8: /* Longword virtual access (hw_ldl) */ goto invalid_opc; case 0x9: /* Quadword virtual access (hw_ldq) */ goto invalid_opc; case 0xA: /* Longword virtual access with protection check (hw_ldl/w) */ tcg_gen_qemu_ld_i64(va, addr, MMU_KERNEL_IDX, MO_LESL); break; case 0xB: /* Quadword virtual access with protection check (hw_ldq/w) */ tcg_gen_qemu_ld_i64(va, addr, MMU_KERNEL_IDX, MO_LEQ); break; case 0xC: /* Longword virtual access with alt access mode (hw_ldl/a)*/ goto invalid_opc; case 0xD: /* Quadword virtual access with alt access mode (hw_ldq/a) */ goto invalid_opc; case 0xE: /* Longword virtual access with alternate access mode and protection checks (hw_ldl/wa) */ tcg_gen_qemu_ld_i64(va, addr, MMU_USER_IDX, MO_LESL); break; case 0xF: /* Quadword virtual access with alternate access mode and protection checks (hw_ldq/wa) */ tcg_gen_qemu_ld_i64(va, addr, MMU_USER_IDX, MO_LEQ); break; } tcg_temp_free(addr); break; } #else goto invalid_opc; #endif case 0x1C: vc = dest_gpr(ctx, rc); if (fn7 == 0x70) { /* FTOIT */ REQUIRE_AMASK(FIX); REQUIRE_REG_31(rb); va = load_fpr(ctx, ra); tcg_gen_mov_i64(vc, va); break; } else if (fn7 == 0x78) { /* FTOIS */ REQUIRE_AMASK(FIX); REQUIRE_REG_31(rb); t32 = tcg_temp_new_i32(); va = load_fpr(ctx, ra); gen_helper_s_to_memory(t32, va); tcg_gen_ext_i32_i64(vc, t32); tcg_temp_free_i32(t32); break; } vb = load_gpr_lit(ctx, rb, lit, islit); switch (fn7) { case 0x00: /* SEXTB */ REQUIRE_AMASK(BWX); REQUIRE_REG_31(ra); tcg_gen_ext8s_i64(vc, vb); break; case 0x01: /* SEXTW */ REQUIRE_AMASK(BWX); REQUIRE_REG_31(ra); tcg_gen_ext16s_i64(vc, vb); break; case 0x30: /* CTPOP */ REQUIRE_AMASK(CIX); REQUIRE_REG_31(ra); REQUIRE_NO_LIT; tcg_gen_ctpop_i64(vc, vb); break; case 0x31: /* PERR */ REQUIRE_AMASK(MVI); REQUIRE_NO_LIT; va = load_gpr(ctx, ra); gen_helper_perr(vc, va, vb); break; case 0x32: /* CTLZ */ REQUIRE_AMASK(CIX); REQUIRE_REG_31(ra); REQUIRE_NO_LIT; tcg_gen_clzi_i64(vc, vb, 64); break; case 0x33: /* CTTZ */ REQUIRE_AMASK(CIX); REQUIRE_REG_31(ra); REQUIRE_NO_LIT; tcg_gen_ctzi_i64(vc, vb, 64); break; case 0x34: /* UNPKBW */ REQUIRE_AMASK(MVI); REQUIRE_REG_31(ra); REQUIRE_NO_LIT; gen_helper_unpkbw(vc, vb); break; case 0x35: /* UNPKBL */ REQUIRE_AMASK(MVI); REQUIRE_REG_31(ra); REQUIRE_NO_LIT; gen_helper_unpkbl(vc, vb); break; case 0x36: /* PKWB */ REQUIRE_AMASK(MVI); REQUIRE_REG_31(ra); REQUIRE_NO_LIT; gen_helper_pkwb(vc, vb); break; case 0x37: /* PKLB */ REQUIRE_AMASK(MVI); REQUIRE_REG_31(ra); REQUIRE_NO_LIT; gen_helper_pklb(vc, vb); break; case 0x38: /* MINSB8 */ REQUIRE_AMASK(MVI); va = load_gpr(ctx, ra); gen_helper_minsb8(vc, va, vb); break; case 0x39: /* MINSW4 */ REQUIRE_AMASK(MVI); va = load_gpr(ctx, ra); gen_helper_minsw4(vc, va, vb); break; case 0x3A: /* MINUB8 */ REQUIRE_AMASK(MVI); va = load_gpr(ctx, ra); gen_helper_minub8(vc, va, vb); break; case 0x3B: /* MINUW4 */ REQUIRE_AMASK(MVI); va = load_gpr(ctx, ra); gen_helper_minuw4(vc, va, vb); break; case 0x3C: /* MAXUB8 */ REQUIRE_AMASK(MVI); va = load_gpr(ctx, ra); gen_helper_maxub8(vc, va, vb); break; case 0x3D: /* MAXUW4 */ REQUIRE_AMASK(MVI); va = load_gpr(ctx, ra); gen_helper_maxuw4(vc, va, vb); break; case 0x3E: /* MAXSB8 */ REQUIRE_AMASK(MVI); va = load_gpr(ctx, ra); gen_helper_maxsb8(vc, va, vb); break; case 0x3F: /* MAXSW4 */ REQUIRE_AMASK(MVI); va = load_gpr(ctx, ra); gen_helper_maxsw4(vc, va, vb); break; default: goto invalid_opc; } break; case 0x1D: /* HW_MTPR (PALcode) */ #ifndef CONFIG_USER_ONLY REQUIRE_TB_FLAG(ENV_FLAG_PAL_MODE); vb = load_gpr(ctx, rb); ret = gen_mtpr(ctx, vb, insn & 0xffff); break; #else goto invalid_opc; #endif case 0x1E: /* HW_RET (PALcode) */ #ifndef CONFIG_USER_ONLY REQUIRE_TB_FLAG(ENV_FLAG_PAL_MODE); if (rb == 31) { /* Pre-EV6 CPUs interpreted this as HW_REI, loading the return address from EXC_ADDR. This turns out to be useful for our emulation PALcode, so continue to accept it. */ ctx->lit = vb = tcg_temp_new(); tcg_gen_ld_i64(vb, cpu_env, offsetof(CPUAlphaState, exc_addr)); } else { vb = load_gpr(ctx, rb); } tcg_gen_movi_i64(cpu_lock_addr, -1); tmp = tcg_temp_new(); tcg_gen_movi_i64(tmp, 0); st_flag_byte(tmp, ENV_FLAG_RX_SHIFT); tcg_gen_andi_i64(tmp, vb, 1); st_flag_byte(tmp, ENV_FLAG_PAL_SHIFT); tcg_temp_free(tmp); tcg_gen_andi_i64(cpu_pc, vb, ~3); /* Allow interrupts to be recognized right away. */ ret = DISAS_PC_UPDATED_NOCHAIN; break; #else goto invalid_opc; #endif case 0x1F: /* HW_ST (PALcode) */ #ifndef CONFIG_USER_ONLY REQUIRE_TB_FLAG(ENV_FLAG_PAL_MODE); { switch ((insn >> 12) & 0xF) { case 0x0: /* Longword physical access */ va = load_gpr(ctx, ra); vb = load_gpr(ctx, rb); tmp = tcg_temp_new(); tcg_gen_addi_i64(tmp, vb, disp12); tcg_gen_qemu_st_i64(va, tmp, MMU_PHYS_IDX, MO_LESL); tcg_temp_free(tmp); break; case 0x1: /* Quadword physical access */ va = load_gpr(ctx, ra); vb = load_gpr(ctx, rb); tmp = tcg_temp_new(); tcg_gen_addi_i64(tmp, vb, disp12); tcg_gen_qemu_st_i64(va, tmp, MMU_PHYS_IDX, MO_LEQ); tcg_temp_free(tmp); break; case 0x2: /* Longword physical access with lock */ ret = gen_store_conditional(ctx, ra, rb, disp12, MMU_PHYS_IDX, MO_LESL); break; case 0x3: /* Quadword physical access with lock */ ret = gen_store_conditional(ctx, ra, rb, disp12, MMU_PHYS_IDX, MO_LEQ); break; case 0x4: /* Longword virtual access */ goto invalid_opc; case 0x5: /* Quadword virtual access */ goto invalid_opc; case 0x6: /* Invalid */ goto invalid_opc; case 0x7: /* Invalid */ goto invalid_opc; case 0x8: /* Invalid */ goto invalid_opc; case 0x9: /* Invalid */ goto invalid_opc; case 0xA: /* Invalid */ goto invalid_opc; case 0xB: /* Invalid */ goto invalid_opc; case 0xC: /* Longword virtual access with alternate access mode */ goto invalid_opc; case 0xD: /* Quadword virtual access with alternate access mode */ goto invalid_opc; case 0xE: /* Invalid */ goto invalid_opc; case 0xF: /* Invalid */ goto invalid_opc; } break; } #else goto invalid_opc; #endif case 0x20: /* LDF */ gen_load_mem(ctx, &gen_qemu_ldf, ra, rb, disp16, 1, 0); break; case 0x21: /* LDG */ gen_load_mem(ctx, &gen_qemu_ldg, ra, rb, disp16, 1, 0); break; case 0x22: /* LDS */ gen_load_mem(ctx, &gen_qemu_lds, ra, rb, disp16, 1, 0); break; case 0x23: /* LDT */ gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 1, 0); break; case 0x24: /* STF */ gen_store_mem(ctx, &gen_qemu_stf, ra, rb, disp16, 1, 0); break; case 0x25: /* STG */ gen_store_mem(ctx, &gen_qemu_stg, ra, rb, disp16, 1, 0); break; case 0x26: /* STS */ gen_store_mem(ctx, &gen_qemu_sts, ra, rb, disp16, 1, 0); break; case 0x27: /* STT */ gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 1, 0); break; case 0x28: /* LDL */ gen_load_mem(ctx, &tcg_gen_qemu_ld32s, ra, rb, disp16, 0, 0); break; case 0x29: /* LDQ */ gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 0, 0); break; case 0x2A: /* LDL_L */ gen_load_mem(ctx, &gen_qemu_ldl_l, ra, rb, disp16, 0, 0); break; case 0x2B: /* LDQ_L */ gen_load_mem(ctx, &gen_qemu_ldq_l, ra, rb, disp16, 0, 0); break; case 0x2C: /* STL */ gen_store_mem(ctx, &tcg_gen_qemu_st32, ra, rb, disp16, 0, 0); break; case 0x2D: /* STQ */ gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 0, 0); break; case 0x2E: /* STL_C */ ret = gen_store_conditional(ctx, ra, rb, disp16, ctx->mem_idx, MO_LESL); break; case 0x2F: /* STQ_C */ ret = gen_store_conditional(ctx, ra, rb, disp16, ctx->mem_idx, MO_LEQ); break; case 0x30: /* BR */ ret = gen_bdirect(ctx, ra, disp21); break; case 0x31: /* FBEQ */ ret = gen_fbcond(ctx, TCG_COND_EQ, ra, disp21); break; case 0x32: /* FBLT */ ret = gen_fbcond(ctx, TCG_COND_LT, ra, disp21); break; case 0x33: /* FBLE */ ret = gen_fbcond(ctx, TCG_COND_LE, ra, disp21); break; case 0x34: /* BSR */ ret = gen_bdirect(ctx, ra, disp21); break; case 0x35: /* FBNE */ ret = gen_fbcond(ctx, TCG_COND_NE, ra, disp21); break; case 0x36: /* FBGE */ ret = gen_fbcond(ctx, TCG_COND_GE, ra, disp21); break; case 0x37: /* FBGT */ ret = gen_fbcond(ctx, TCG_COND_GT, ra, disp21); break; case 0x38: /* BLBC */ ret = gen_bcond(ctx, TCG_COND_EQ, ra, disp21, 1); break; case 0x39: /* BEQ */ ret = gen_bcond(ctx, TCG_COND_EQ, ra, disp21, 0); break; case 0x3A: /* BLT */ ret = gen_bcond(ctx, TCG_COND_LT, ra, disp21, 0); break; case 0x3B: /* BLE */ ret = gen_bcond(ctx, TCG_COND_LE, ra, disp21, 0); break; case 0x3C: /* BLBS */ ret = gen_bcond(ctx, TCG_COND_NE, ra, disp21, 1); break; case 0x3D: /* BNE */ ret = gen_bcond(ctx, TCG_COND_NE, ra, disp21, 0); break; case 0x3E: /* BGE */ ret = gen_bcond(ctx, TCG_COND_GE, ra, disp21, 0); break; case 0x3F: /* BGT */ ret = gen_bcond(ctx, TCG_COND_GT, ra, disp21, 0); break; invalid_opc: ret = gen_invalid(ctx); break; } return ret; } | 15,268 |
1 | static target_ulong h_protect(PowerPCCPU *cpu, sPAPREnvironment *spapr, target_ulong opcode, target_ulong *args) { CPUPPCState *env = &cpu->env; target_ulong flags = args[0]; target_ulong pte_index = args[1]; target_ulong avpn = args[2]; hwaddr hpte; target_ulong v, r, rb; if ((pte_index * HASH_PTE_SIZE_64) & ~env->htab_mask) { return H_PARAMETER; } hpte = pte_index * HASH_PTE_SIZE_64; v = ppc_hash64_load_hpte0(env, hpte); r = ppc_hash64_load_hpte1(env, hpte); if ((v & HPTE64_V_VALID) == 0 || ((flags & H_AVPN) && (v & ~0x7fULL) != avpn)) { return H_NOT_FOUND; } r &= ~(HPTE64_R_PP0 | HPTE64_R_PP | HPTE64_R_N | HPTE64_R_KEY_HI | HPTE64_R_KEY_LO); r |= (flags << 55) & HPTE64_R_PP0; r |= (flags << 48) & HPTE64_R_KEY_HI; r |= flags & (HPTE64_R_PP | HPTE64_R_N | HPTE64_R_KEY_LO); rb = compute_tlbie_rb(v, r, pte_index); ppc_hash64_store_hpte0(env, hpte, (v & ~HPTE64_V_VALID) | HPTE64_V_HPTE_DIRTY); ppc_tlb_invalidate_one(env, rb); ppc_hash64_store_hpte1(env, hpte, r); /* Don't need a memory barrier, due to qemu's global lock */ ppc_hash64_store_hpte0(env, hpte, v | HPTE64_V_HPTE_DIRTY); return H_SUCCESS; } | 15,269 |
1 | void do_op_602_mfrom (void) { if (likely(T0 < 602)) { #ifdef USE_MFROM_ROM_TABLE #include "mfrom_table.c" T0 = mfrom_ROM_table[T0]; #else double d; /* Extremly decomposed: * -T0 / 256 * T0 = 256 * log10(10 + 1.0) + 0.5 */ d = T0; d = float64_div(d, 256, &env->fp_status); d = float64_chs(d); d = exp10(d); // XXX: use float emulation function d = float64_add(d, 1.0, &env->fp_status); d = log10(d); // XXX: use float emulation function d = float64_mul(d, 256, &env->fp_status); d = float64_add(d, 0.5, &env->fp_status); T0 = float64_round_to_int(d, &env->fp_status); #endif } else { T0 = 0; } } | 15,270 |
1 | static int mpc8_decode_frame(AVCodecContext * avctx, void *data, int *data_size, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; MPCContext *c = avctx->priv_data; GetBitContext gb2, *gb = &gb2; int i, j, k, ch, cnt, res, t; Band *bands = c->bands; int off, out_size; int maxband, keyframe; int last[2]; out_size = MPC_FRAME_SIZE * 2 * avctx->channels; if (*data_size < out_size) { av_log(avctx, AV_LOG_ERROR, "Output buffer is too small\n"); return AVERROR(EINVAL); } keyframe = c->cur_frame == 0; if(keyframe){ memset(c->Q, 0, sizeof(c->Q)); c->last_bits_used = 0; } init_get_bits(gb, buf, buf_size * 8); skip_bits(gb, c->last_bits_used & 7); if(keyframe) maxband = mpc8_get_mod_golomb(gb, c->maxbands + 1); else{ maxband = c->last_max_band + get_vlc2(gb, band_vlc.table, MPC8_BANDS_BITS, 2); if(maxband > 32) maxband -= 33; } c->last_max_band = maxband; /* read subband indexes */ if(maxband){ last[0] = last[1] = 0; for(i = maxband - 1; i >= 0; i--){ for(ch = 0; ch < 2; ch++){ last[ch] = get_vlc2(gb, res_vlc[last[ch] > 2].table, MPC8_RES_BITS, 2) + last[ch]; if(last[ch] > 15) last[ch] -= 17; bands[i].res[ch] = last[ch]; } } if(c->MSS){ int mask; cnt = 0; for(i = 0; i < maxband; i++) if(bands[i].res[0] || bands[i].res[1]) cnt++; t = mpc8_get_mod_golomb(gb, cnt); mask = mpc8_get_mask(gb, cnt, t); for(i = maxband - 1; i >= 0; i--) if(bands[i].res[0] || bands[i].res[1]){ bands[i].msf = mask & 1; mask >>= 1; } } } for(i = maxband; i < c->maxbands; i++) bands[i].res[0] = bands[i].res[1] = 0; if(keyframe){ for(i = 0; i < 32; i++) c->oldDSCF[0][i] = c->oldDSCF[1][i] = 1; } for(i = 0; i < maxband; i++){ if(bands[i].res[0] || bands[i].res[1]){ cnt = !!bands[i].res[0] + !!bands[i].res[1] - 1; if(cnt >= 0){ t = get_vlc2(gb, scfi_vlc[cnt].table, scfi_vlc[cnt].bits, 1); if(bands[i].res[0]) bands[i].scfi[0] = t >> (2 * cnt); if(bands[i].res[1]) bands[i].scfi[1] = t & 3; } } } for(i = 0; i < maxband; i++){ for(ch = 0; ch < 2; ch++){ if(!bands[i].res[ch]) continue; if(c->oldDSCF[ch][i]){ bands[i].scf_idx[ch][0] = get_bits(gb, 7) - 6; c->oldDSCF[ch][i] = 0; }else{ t = get_vlc2(gb, dscf_vlc[1].table, MPC8_DSCF1_BITS, 2); if(t == 64) t += get_bits(gb, 6); bands[i].scf_idx[ch][0] = ((bands[i].scf_idx[ch][2] + t - 25) & 0x7F) - 6; } for(j = 0; j < 2; j++){ if((bands[i].scfi[ch] << j) & 2) bands[i].scf_idx[ch][j + 1] = bands[i].scf_idx[ch][j]; else{ t = get_vlc2(gb, dscf_vlc[0].table, MPC8_DSCF0_BITS, 2); if(t == 31) t = 64 + get_bits(gb, 6); bands[i].scf_idx[ch][j + 1] = ((bands[i].scf_idx[ch][j] + t - 25) & 0x7F) - 6; } } } } for(i = 0, off = 0; i < maxband; i++, off += SAMPLES_PER_BAND){ for(ch = 0; ch < 2; ch++){ res = bands[i].res[ch]; switch(res){ case -1: for(j = 0; j < SAMPLES_PER_BAND; j++) c->Q[ch][off + j] = (av_lfg_get(&c->rnd) & 0x3FC) - 510; break; case 0: break; case 1: for(j = 0; j < SAMPLES_PER_BAND; j += SAMPLES_PER_BAND / 2){ cnt = get_vlc2(gb, q1_vlc.table, MPC8_Q1_BITS, 2); t = mpc8_get_mask(gb, 18, cnt); for(k = 0; k < SAMPLES_PER_BAND / 2; k++, t <<= 1) c->Q[ch][off + j + k] = (t & 0x20000) ? (get_bits1(gb) << 1) - 1 : 0; } break; case 2: cnt = 6;//2*mpc8_thres[res] for(j = 0; j < SAMPLES_PER_BAND; j += 3){ t = get_vlc2(gb, q2_vlc[cnt > 3].table, MPC8_Q2_BITS, 2); c->Q[ch][off + j + 0] = mpc8_idx50[t]; c->Q[ch][off + j + 1] = mpc8_idx51[t]; c->Q[ch][off + j + 2] = mpc8_idx52[t]; cnt = (cnt >> 1) + mpc8_huffq2[t]; } break; case 3: case 4: for(j = 0; j < SAMPLES_PER_BAND; j += 2){ t = get_vlc2(gb, q3_vlc[res - 3].table, MPC8_Q3_BITS, 2) + q3_offsets[res - 3]; c->Q[ch][off + j + 1] = t >> 4; c->Q[ch][off + j + 0] = (t & 8) ? (t & 0xF) - 16 : (t & 0xF); } break; case 5: case 6: case 7: case 8: cnt = 2 * mpc8_thres[res]; for(j = 0; j < SAMPLES_PER_BAND; j++){ t = get_vlc2(gb, quant_vlc[res - 5][cnt > mpc8_thres[res]].table, quant_vlc[res - 5][cnt > mpc8_thres[res]].bits, 2) + quant_offsets[res - 5]; c->Q[ch][off + j] = t; cnt = (cnt >> 1) + FFABS(c->Q[ch][off + j]); } break; default: for(j = 0; j < SAMPLES_PER_BAND; j++){ c->Q[ch][off + j] = get_vlc2(gb, q9up_vlc.table, MPC8_Q9UP_BITS, 2); if(res != 9){ c->Q[ch][off + j] <<= res - 9; c->Q[ch][off + j] |= get_bits(gb, res - 9); } c->Q[ch][off + j] -= (1 << (res - 2)) - 1; } } } } ff_mpc_dequantize_and_synth(c, maxband, data, avctx->channels); c->cur_frame++; c->last_bits_used = get_bits_count(gb); if(c->cur_frame >= c->frames) c->cur_frame = 0; *data_size = out_size; return c->cur_frame ? c->last_bits_used >> 3 : buf_size; } | 15,271 |
1 | static void backup_set_speed(BlockJob *job, int64_t speed, Error **errp) { BackupBlockJob *s = container_of(job, BackupBlockJob, common); if (speed < 0) { error_setg(errp, QERR_INVALID_PARAMETER, "speed"); return; } ratelimit_set_speed(&s->limit, speed / BDRV_SECTOR_SIZE, SLICE_TIME); } | 15,272 |
1 | static struct XenDevice *xen_be_get_xendev(const char *type, int dom, int dev, struct XenDevOps *ops) { struct XenDevice *xendev; char *dom0; xendev = xen_be_find_xendev(type, dom, dev); if (xendev) { return xendev; } /* init new xendev */ xendev = g_malloc0(ops->size); xendev->type = type; xendev->dom = dom; xendev->dev = dev; xendev->ops = ops; dom0 = xs_get_domain_path(xenstore, 0); snprintf(xendev->be, sizeof(xendev->be), "%s/backend/%s/%d/%d", dom0, xendev->type, xendev->dom, xendev->dev); snprintf(xendev->name, sizeof(xendev->name), "%s-%d", xendev->type, xendev->dev); free(dom0); xendev->debug = debug; xendev->local_port = -1; xendev->evtchndev = xen_xc_evtchn_open(NULL, 0); if (xendev->evtchndev == XC_HANDLER_INITIAL_VALUE) { xen_be_printf(NULL, 0, "can't open evtchn device\n"); g_free(xendev); return NULL; } fcntl(xc_evtchn_fd(xendev->evtchndev), F_SETFD, FD_CLOEXEC); if (ops->flags & DEVOPS_FLAG_NEED_GNTDEV) { xendev->gnttabdev = xen_xc_gnttab_open(NULL, 0); if (xendev->gnttabdev == XC_HANDLER_INITIAL_VALUE) { xen_be_printf(NULL, 0, "can't open gnttab device\n"); xc_evtchn_close(xendev->evtchndev); g_free(xendev); return NULL; } } else { xendev->gnttabdev = XC_HANDLER_INITIAL_VALUE; } QTAILQ_INSERT_TAIL(&xendevs, xendev, next); if (xendev->ops->alloc) { xendev->ops->alloc(xendev); } return xendev; } | 15,273 |
1 | int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr) { AVFrame *extended_frame = NULL; AVFrame *padded_frame = NULL; int ret; AVPacket user_pkt = *avpkt; int needs_realloc = !user_pkt.data; *got_packet_ptr = 0; if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY) && !frame) { av_free_packet(avpkt); av_init_packet(avpkt); return 0; } /* ensure that extended_data is properly set */ if (frame && !frame->extended_data) { if (av_sample_fmt_is_planar(avctx->sample_fmt) && avctx->channels > AV_NUM_DATA_POINTERS) { av_log(avctx, AV_LOG_ERROR, "Encoding to a planar sample format, " "with more than %d channels, but extended_data is not set.\n", AV_NUM_DATA_POINTERS); return AVERROR(EINVAL); } av_log(avctx, AV_LOG_WARNING, "extended_data is not set.\n"); extended_frame = av_frame_alloc(); if (!extended_frame) return AVERROR(ENOMEM); memcpy(extended_frame, frame, sizeof(AVFrame)); extended_frame->extended_data = extended_frame->data; frame = extended_frame; } /* extract audio service type metadata */ if (frame) { AVFrameSideData *sd = av_frame_get_side_data(frame, AV_FRAME_DATA_AUDIO_SERVICE_TYPE); if (sd && sd->size >= sizeof(enum AVAudioServiceType)) avctx->audio_service_type = *(enum AVAudioServiceType*)sd->data; } /* check for valid frame size */ if (frame) { if (avctx->codec->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME) { if (frame->nb_samples > avctx->frame_size) { av_log(avctx, AV_LOG_ERROR, "more samples than frame size (avcodec_encode_audio2)\n"); ret = AVERROR(EINVAL); goto end; } } else if (!(avctx->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)) { if (frame->nb_samples < avctx->frame_size && !avctx->internal->last_audio_frame) { ret = pad_last_frame(avctx, &padded_frame, frame); if (ret < 0) goto end; frame = padded_frame; avctx->internal->last_audio_frame = 1; } if (frame->nb_samples != avctx->frame_size) { av_log(avctx, AV_LOG_ERROR, "nb_samples (%d) != frame_size (%d) (avcodec_encode_audio2)\n", frame->nb_samples, avctx->frame_size); ret = AVERROR(EINVAL); goto end; } } } ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr); if (!ret) { if (*got_packet_ptr) { if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY)) { if (avpkt->pts == AV_NOPTS_VALUE) avpkt->pts = frame->pts; if (!avpkt->duration) avpkt->duration = ff_samples_to_time_base(avctx, frame->nb_samples); } avpkt->dts = avpkt->pts; } else { avpkt->size = 0; } } if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) { needs_realloc = 0; if (user_pkt.data) { if (user_pkt.size >= avpkt->size) { memcpy(user_pkt.data, avpkt->data, avpkt->size); } else { av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size); avpkt->size = user_pkt.size; ret = -1; } avpkt->buf = user_pkt.buf; avpkt->data = user_pkt.data; #if FF_API_DESTRUCT_PACKET FF_DISABLE_DEPRECATION_WARNINGS avpkt->destruct = user_pkt.destruct; FF_ENABLE_DEPRECATION_WARNINGS #endif } else { if (av_dup_packet(avpkt) < 0) { ret = AVERROR(ENOMEM); } } } if (!ret) { if (needs_realloc && avpkt->data) { ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE); if (ret >= 0) avpkt->data = avpkt->buf->data; } avctx->frame_number++; } if (ret < 0 || !*got_packet_ptr) { av_free_packet(avpkt); av_init_packet(avpkt); goto end; } /* NOTE: if we add any audio encoders which output non-keyframe packets, * this needs to be moved to the encoders, but for now we can do it * here to simplify things */ avpkt->flags |= AV_PKT_FLAG_KEY; end: av_frame_free(&padded_frame); av_free(extended_frame); #if FF_API_AUDIOENC_DELAY avctx->delay = avctx->initial_padding; #endif return ret; } | 15,274 |
1 | static int iff_read_packet(AVFormatContext *s, AVPacket *pkt) { IffDemuxContext *iff = s->priv_data; AVIOContext *pb = s->pb; AVStream *st = s->streams[0]; int ret; int64_t pos = avio_tell(pb); if (pos >= iff->body_end) return AVERROR_EOF; if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { if (st->codec->codec_tag == ID_MAUD) { ret = av_get_packet(pb, pkt, FFMIN(iff->body_end - pos, 1024 * st->codec->block_align)); } else { ret = av_get_packet(pb, pkt, iff->body_size); } } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { uint8_t *buf; if (av_new_packet(pkt, iff->body_size + 2) < 0) { return AVERROR(ENOMEM); } buf = pkt->data; bytestream_put_be16(&buf, 2); ret = avio_read(pb, buf, iff->body_size); } else { av_assert0(0); } if (pos == iff->body_pos) pkt->flags |= AV_PKT_FLAG_KEY; if (ret < 0) return ret; pkt->stream_index = 0; return ret; } | 15,275 |
1 | static void virtio_blk_save_device(VirtIODevice *vdev, QEMUFile *f) { VirtIOBlock *s = VIRTIO_BLK(vdev); VirtIOBlockReq *req = s->rq; while (req) { qemu_put_sbyte(f, 1); qemu_put_buffer(f, (unsigned char *)req->elem, sizeof(VirtQueueElement)); req = req->next; } qemu_put_sbyte(f, 0); } | 15,276 |
1 | static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, uint8_t *dest, long dstW, long dstY) { #ifdef HAVE_MMX long dummy=0; if(c->flags & SWS_ACCURATE_RND){ switch(c->dstFormat){ case PIX_FMT_RGB32: YSCALEYUV2PACKEDX_ACCURATE YSCALEYUV2RGBX WRITEBGR32(%4, %5, %%REGa) YSCALEYUV2PACKEDX_END return; case PIX_FMT_BGR24: YSCALEYUV2PACKEDX_ACCURATE YSCALEYUV2RGBX "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"\n\t" //FIXME optimize "add %4, %%"REG_c" \n\t" WRITEBGR24(%%REGc, %5, %%REGa) :: "r" (&c->redDither), "m" (dummy), "m" (dummy), "m" (dummy), "r" (dest), "m" (dstW) : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S ); return; case PIX_FMT_BGR555: YSCALEYUV2PACKEDX_ACCURATE YSCALEYUV2RGBX /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */ #ifdef DITHER1XBPP "paddusb "MANGLE(b5Dither)", %%mm2\n\t" "paddusb "MANGLE(g5Dither)", %%mm4\n\t" "paddusb "MANGLE(r5Dither)", %%mm5\n\t" #endif WRITEBGR15(%4, %5, %%REGa) YSCALEYUV2PACKEDX_END return; case PIX_FMT_BGR565: YSCALEYUV2PACKEDX_ACCURATE YSCALEYUV2RGBX /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */ #ifdef DITHER1XBPP "paddusb "MANGLE(b5Dither)", %%mm2\n\t" "paddusb "MANGLE(g6Dither)", %%mm4\n\t" "paddusb "MANGLE(r5Dither)", %%mm5\n\t" #endif WRITEBGR16(%4, %5, %%REGa) YSCALEYUV2PACKEDX_END return; case PIX_FMT_YUYV422: YSCALEYUV2PACKEDX_ACCURATE /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */ "psraw $3, %%mm3 \n\t" "psraw $3, %%mm4 \n\t" "psraw $3, %%mm1 \n\t" "psraw $3, %%mm7 \n\t" WRITEYUY2(%4, %5, %%REGa) YSCALEYUV2PACKEDX_END return; } }else{ switch(c->dstFormat) { case PIX_FMT_RGB32: YSCALEYUV2PACKEDX YSCALEYUV2RGBX WRITEBGR32(%4, %5, %%REGa) YSCALEYUV2PACKEDX_END return; case PIX_FMT_BGR24: YSCALEYUV2PACKEDX YSCALEYUV2RGBX "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"\n\t" //FIXME optimize "add %4, %%"REG_c" \n\t" WRITEBGR24(%%REGc, %5, %%REGa) :: "r" (&c->redDither), "m" (dummy), "m" (dummy), "m" (dummy), "r" (dest), "m" (dstW) : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S ); return; case PIX_FMT_BGR555: YSCALEYUV2PACKEDX YSCALEYUV2RGBX /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */ #ifdef DITHER1XBPP "paddusb "MANGLE(b5Dither)", %%mm2\n\t" "paddusb "MANGLE(g5Dither)", %%mm4\n\t" "paddusb "MANGLE(r5Dither)", %%mm5\n\t" #endif WRITEBGR15(%4, %5, %%REGa) YSCALEYUV2PACKEDX_END return; case PIX_FMT_BGR565: YSCALEYUV2PACKEDX YSCALEYUV2RGBX /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */ #ifdef DITHER1XBPP "paddusb "MANGLE(b5Dither)", %%mm2\n\t" "paddusb "MANGLE(g6Dither)", %%mm4\n\t" "paddusb "MANGLE(r5Dither)", %%mm5\n\t" #endif WRITEBGR16(%4, %5, %%REGa) YSCALEYUV2PACKEDX_END return; case PIX_FMT_YUYV422: YSCALEYUV2PACKEDX /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */ "psraw $3, %%mm3 \n\t" "psraw $3, %%mm4 \n\t" "psraw $3, %%mm1 \n\t" "psraw $3, %%mm7 \n\t" WRITEYUY2(%4, %5, %%REGa) YSCALEYUV2PACKEDX_END return; } } #endif #ifdef HAVE_ALTIVEC /* The following list of supported dstFormat values should match what's found in the body of altivec_yuv2packedX() */ if(c->dstFormat==PIX_FMT_ABGR || c->dstFormat==PIX_FMT_BGRA || c->dstFormat==PIX_FMT_BGR24 || c->dstFormat==PIX_FMT_RGB24 || c->dstFormat==PIX_FMT_RGBA || c->dstFormat==PIX_FMT_ARGB) altivec_yuv2packedX (c, lumFilter, lumSrc, lumFilterSize, chrFilter, chrSrc, chrFilterSize, dest, dstW, dstY); else #endif yuv2packedXinC(c, lumFilter, lumSrc, lumFilterSize, chrFilter, chrSrc, chrFilterSize, dest, dstW, dstY); } | 15,277 |
1 | static void virtio_net_save(QEMUFile *f, void *opaque) { VirtIONet *n = opaque; virtio_save(&n->vdev, f); qemu_put_buffer(f, n->mac, ETH_ALEN); qemu_put_be32(f, n->tx_timer_active); qemu_put_be32(f, n->mergeable_rx_bufs); qemu_put_be16(f, n->status); qemu_put_byte(f, n->promisc); qemu_put_byte(f, n->allmulti); qemu_put_be32(f, n->mac_table.in_use); qemu_put_buffer(f, n->mac_table.macs, n->mac_table.in_use * ETH_ALEN); qemu_put_buffer(f, (uint8_t *)n->vlans, MAX_VLAN >> 3); qemu_put_be32(f, 0); /* vnet-hdr placeholder */ qemu_put_byte(f, n->mac_table.multi_overflow); qemu_put_byte(f, n->mac_table.uni_overflow); qemu_put_byte(f, n->alluni); qemu_put_byte(f, n->nomulti); qemu_put_byte(f, n->nouni); qemu_put_byte(f, n->nobcast); } | 15,278 |
1 | static int set_palette(AVFrame * frame, const uint8_t * palette_buffer, int buf_size) { uint32_t * palette = (uint32_t *)frame->data[1]; int a; if (buf_size < 256*3) return AVERROR_INVALIDDATA; for(a = 0; a < 256; a++){ palette[a] = AV_RB24(&palette_buffer[a * 3]) * 4; } frame->palette_has_changed = 1; return 256*3; } | 15,280 |
1 | static int build_def_list(Picture *def, Picture **in, int len, int is_long, int sel) { int i[2] = { 0 }; int index = 0; while (i[0] < len || i[1] < len) { while (i[0] < len && !(in[i[0]] && (in[i[0]]->reference & sel))) i[0]++; while (i[1] < len && !(in[i[1]] && (in[i[1]]->reference & (sel ^ 3)))) i[1]++; if (i[0] < len) { in[i[0]]->pic_id = is_long ? i[0] : in[i[0]]->frame_num; split_field_copy(&def[index++], in[i[0]++], sel, 1); } if (i[1] < len) { in[i[1]]->pic_id = is_long ? i[1] : in[i[1]]->frame_num; split_field_copy(&def[index++], in[i[1]++], sel ^ 3, 0); } } return index; } | 15,281 |
1 | static void vnc_init_timer(VncDisplay *vd) { vd->timer_interval = VNC_REFRESH_INTERVAL_BASE; if (vd->timer == NULL && !QTAILQ_EMPTY(&vd->clients)) { vd->timer = qemu_new_timer_ms(rt_clock, vnc_refresh, vd); vnc_dpy_resize(dcl, vd->ds); vnc_refresh(vd); } } | 15,282 |
0 | static int adpcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr) { int n, i, ch, st, pkt_size, ret; const int16_t *samples; int16_t **samples_p; uint8_t *dst; ADPCMEncodeContext *c = avctx->priv_data; uint8_t *buf; samples = (const int16_t *)frame->data[0]; samples_p = (int16_t **)frame->extended_data; st = avctx->channels == 2; if (avctx->codec_id == AV_CODEC_ID_ADPCM_SWF) pkt_size = (2 + avctx->channels * (22 + 4 * (frame->nb_samples - 1)) + 7) / 8; else pkt_size = avctx->block_align; if ((ret = ff_alloc_packet2(avctx, avpkt, pkt_size))) return ret; dst = avpkt->data; switch(avctx->codec->id) { case AV_CODEC_ID_ADPCM_IMA_WAV: { int blocks, j; blocks = (frame->nb_samples - 1) / 8; for (ch = 0; ch < avctx->channels; ch++) { ADPCMChannelStatus *status = &c->status[ch]; status->prev_sample = samples_p[ch][0]; /* status->step_index = 0; XXX: not sure how to init the state machine */ bytestream_put_le16(&dst, status->prev_sample); *dst++ = status->step_index; *dst++ = 0; /* unknown */ } /* stereo: 4 bytes (8 samples) for left, 4 bytes for right */ if (avctx->trellis > 0) { FF_ALLOC_OR_GOTO(avctx, buf, avctx->channels * blocks * 8, error); for (ch = 0; ch < avctx->channels; ch++) { adpcm_compress_trellis(avctx, &samples_p[ch][1], buf + ch * blocks * 8, &c->status[ch], blocks * 8, 1); } for (i = 0; i < blocks; i++) { for (ch = 0; ch < avctx->channels; ch++) { uint8_t *buf1 = buf + ch * blocks * 8 + i * 8; for (j = 0; j < 8; j += 2) *dst++ = buf1[j] | (buf1[j + 1] << 4); } } av_free(buf); } else { for (i = 0; i < blocks; i++) { for (ch = 0; ch < avctx->channels; ch++) { ADPCMChannelStatus *status = &c->status[ch]; const int16_t *smp = &samples_p[ch][1 + i * 8]; for (j = 0; j < 8; j += 2) { uint8_t v = adpcm_ima_compress_sample(status, smp[j ]); v |= adpcm_ima_compress_sample(status, smp[j + 1]) << 4; *dst++ = v; } } } } break; } case AV_CODEC_ID_ADPCM_IMA_QT: { PutBitContext pb; init_put_bits(&pb, dst, pkt_size * 8); for (ch = 0; ch < avctx->channels; ch++) { ADPCMChannelStatus *status = &c->status[ch]; put_bits(&pb, 9, (status->prev_sample & 0xFFFF) >> 7); put_bits(&pb, 7, status->step_index); if (avctx->trellis > 0) { uint8_t buf[64]; adpcm_compress_trellis(avctx, &samples_p[ch][1], buf, status, 64, 1); for (i = 0; i < 64; i++) put_bits(&pb, 4, buf[i ^ 1]); } else { for (i = 0; i < 64; i += 2) { int t1, t2; t1 = adpcm_ima_qt_compress_sample(status, samples_p[ch][i ]); t2 = adpcm_ima_qt_compress_sample(status, samples_p[ch][i + 1]); put_bits(&pb, 4, t2); put_bits(&pb, 4, t1); } } } flush_put_bits(&pb); break; } case AV_CODEC_ID_ADPCM_SWF: { PutBitContext pb; init_put_bits(&pb, dst, pkt_size * 8); n = frame->nb_samples - 1; // store AdpcmCodeSize put_bits(&pb, 2, 2); // set 4-bit flash adpcm format // init the encoder state for (i = 0; i < avctx->channels; i++) { // clip step so it fits 6 bits c->status[i].step_index = av_clip(c->status[i].step_index, 0, 63); put_sbits(&pb, 16, samples[i]); put_bits(&pb, 6, c->status[i].step_index); c->status[i].prev_sample = samples[i]; } if (avctx->trellis > 0) { FF_ALLOC_OR_GOTO(avctx, buf, 2 * n, error); adpcm_compress_trellis(avctx, samples + avctx->channels, buf, &c->status[0], n, avctx->channels); if (avctx->channels == 2) adpcm_compress_trellis(avctx, samples + avctx->channels + 1, buf + n, &c->status[1], n, avctx->channels); for (i = 0; i < n; i++) { put_bits(&pb, 4, buf[i]); if (avctx->channels == 2) put_bits(&pb, 4, buf[n + i]); } av_free(buf); } else { for (i = 1; i < frame->nb_samples; i++) { put_bits(&pb, 4, adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels * i])); if (avctx->channels == 2) put_bits(&pb, 4, adpcm_ima_compress_sample(&c->status[1], samples[2 * i + 1])); } } flush_put_bits(&pb); break; } case AV_CODEC_ID_ADPCM_MS: for (i = 0; i < avctx->channels; i++) { int predictor = 0; *dst++ = predictor; c->status[i].coeff1 = ff_adpcm_AdaptCoeff1[predictor]; c->status[i].coeff2 = ff_adpcm_AdaptCoeff2[predictor]; } for (i = 0; i < avctx->channels; i++) { if (c->status[i].idelta < 16) c->status[i].idelta = 16; bytestream_put_le16(&dst, c->status[i].idelta); } for (i = 0; i < avctx->channels; i++) c->status[i].sample2= *samples++; for (i = 0; i < avctx->channels; i++) { c->status[i].sample1 = *samples++; bytestream_put_le16(&dst, c->status[i].sample1); } for (i = 0; i < avctx->channels; i++) bytestream_put_le16(&dst, c->status[i].sample2); if (avctx->trellis > 0) { n = avctx->block_align - 7 * avctx->channels; FF_ALLOC_OR_GOTO(avctx, buf, 2 * n, error); if (avctx->channels == 1) { adpcm_compress_trellis(avctx, samples, buf, &c->status[0], n, avctx->channels); for (i = 0; i < n; i += 2) *dst++ = (buf[i] << 4) | buf[i + 1]; } else { adpcm_compress_trellis(avctx, samples, buf, &c->status[0], n, avctx->channels); adpcm_compress_trellis(avctx, samples + 1, buf + n, &c->status[1], n, avctx->channels); for (i = 0; i < n; i++) *dst++ = (buf[i] << 4) | buf[n + i]; } av_free(buf); } else { for (i = 7 * avctx->channels; i < avctx->block_align; i++) { int nibble; nibble = adpcm_ms_compress_sample(&c->status[ 0], *samples++) << 4; nibble |= adpcm_ms_compress_sample(&c->status[st], *samples++); *dst++ = nibble; } } break; case AV_CODEC_ID_ADPCM_YAMAHA: n = frame->nb_samples / 2; if (avctx->trellis > 0) { FF_ALLOC_OR_GOTO(avctx, buf, 2 * n * 2, error); n *= 2; if (avctx->channels == 1) { adpcm_compress_trellis(avctx, samples, buf, &c->status[0], n, avctx->channels); for (i = 0; i < n; i += 2) *dst++ = buf[i] | (buf[i + 1] << 4); } else { adpcm_compress_trellis(avctx, samples, buf, &c->status[0], n, avctx->channels); adpcm_compress_trellis(avctx, samples + 1, buf + n, &c->status[1], n, avctx->channels); for (i = 0; i < n; i++) *dst++ = buf[i] | (buf[n + i] << 4); } av_free(buf); } else for (n *= avctx->channels; n > 0; n--) { int nibble; nibble = adpcm_yamaha_compress_sample(&c->status[ 0], *samples++); nibble |= adpcm_yamaha_compress_sample(&c->status[st], *samples++) << 4; *dst++ = nibble; } break; default: return AVERROR(EINVAL); } avpkt->size = pkt_size; *got_packet_ptr = 1; return 0; error: return AVERROR(ENOMEM); } | 15,283 |
1 | static inline void gen_intermediate_code_internal(OpenRISCCPU *cpu, TranslationBlock *tb, int search_pc) { struct DisasContext ctx, *dc = &ctx; uint16_t *gen_opc_end; uint32_t pc_start; int j, k; uint32_t next_page_start; int num_insns; int max_insns; qemu_log_try_set_file(stderr); pc_start = tb->pc; dc->tb = tb; gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE; dc->is_jmp = DISAS_NEXT; dc->ppc = pc_start; dc->pc = pc_start; dc->flags = cpu->env.cpucfgr; dc->mem_idx = cpu_mmu_index(&cpu->env); dc->synced_flags = dc->tb_flags = tb->flags; dc->delayed_branch = !!(dc->tb_flags & D_FLAG); dc->singlestep_enabled = cpu->env.singlestep_enabled; if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { qemu_log("-----------------------------------------\n"); log_cpu_state(&cpu->env, 0); } next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; k = -1; num_insns = 0; max_insns = tb->cflags & CF_COUNT_MASK; if (max_insns == 0) { max_insns = CF_COUNT_MASK; } gen_icount_start(); do { check_breakpoint(cpu, dc); if (search_pc) { j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf; if (k < j) { k++; while (k < j) { tcg_ctx.gen_opc_instr_start[k++] = 0; } } tcg_ctx.gen_opc_pc[k] = dc->pc; tcg_ctx.gen_opc_instr_start[k] = 1; tcg_ctx.gen_opc_icount[k] = num_insns; } if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT))) { tcg_gen_debug_insn_start(dc->pc); } if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) { gen_io_start(); } dc->ppc = dc->pc - 4; dc->npc = dc->pc + 4; tcg_gen_movi_tl(cpu_ppc, dc->ppc); tcg_gen_movi_tl(cpu_npc, dc->npc); disas_openrisc_insn(dc, cpu); dc->pc = dc->npc; num_insns++; /* delay slot */ if (dc->delayed_branch) { dc->delayed_branch--; if (!dc->delayed_branch) { dc->tb_flags &= ~D_FLAG; gen_sync_flags(dc); tcg_gen_mov_tl(cpu_pc, jmp_pc); tcg_gen_mov_tl(cpu_npc, jmp_pc); tcg_gen_movi_tl(jmp_pc, 0); tcg_gen_exit_tb(0); dc->is_jmp = DISAS_JUMP; break; } } } while (!dc->is_jmp && tcg_ctx.gen_opc_ptr < gen_opc_end && !cpu->env.singlestep_enabled && !singlestep && (dc->pc < next_page_start) && num_insns < max_insns); if (tb->cflags & CF_LAST_IO) { gen_io_end(); } if (dc->is_jmp == DISAS_NEXT) { dc->is_jmp = DISAS_UPDATE; tcg_gen_movi_tl(cpu_pc, dc->pc); } if (unlikely(cpu->env.singlestep_enabled)) { if (dc->is_jmp == DISAS_NEXT) { tcg_gen_movi_tl(cpu_pc, dc->pc); } gen_exception(dc, EXCP_DEBUG); } else { switch (dc->is_jmp) { case DISAS_NEXT: gen_goto_tb(dc, 0, dc->pc); break; default: case DISAS_JUMP: break; case DISAS_UPDATE: /* indicate that the hash table must be used to find the next TB */ tcg_gen_exit_tb(0); break; case DISAS_TB_JUMP: /* nothing more to generate */ break; } } gen_icount_end(tb, num_insns); *tcg_ctx.gen_opc_ptr = INDEX_op_end; if (search_pc) { j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf; k++; while (k <= j) { tcg_ctx.gen_opc_instr_start[k++] = 0; } } else { tb->size = dc->pc - pc_start; tb->icount = num_insns; } #ifdef DEBUG_DISAS if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { qemu_log("\n"); log_target_disas(&cpu->env, pc_start, dc->pc - pc_start, 0); qemu_log("\nisize=%d osize=%td\n", dc->pc - pc_start, tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf); } #endif } | 15,284 |
1 | static int ism_write_header(AVFormatContext *s) { SmoothStreamingContext *c = s->priv_data; int ret = 0, i; AVOutputFormat *oformat; mkdir(s->filename, 0777); oformat = av_guess_format("ismv", NULL, NULL); if (!oformat) { ret = AVERROR_MUXER_NOT_FOUND; goto fail; } c->streams = av_mallocz(sizeof(*c->streams) * s->nb_streams); if (!c->streams) { ret = AVERROR(ENOMEM); goto fail; } for (i = 0; i < s->nb_streams; i++) { OutputStream *os = &c->streams[i]; AVFormatContext *ctx; AVStream *st; AVDictionary *opts = NULL; char buf[10]; if (!s->streams[i]->codec->bit_rate) { av_log(s, AV_LOG_ERROR, "No bit rate set for stream %d\n", i); ret = AVERROR(EINVAL); goto fail; } snprintf(os->dirname, sizeof(os->dirname), "%s/QualityLevels(%d)", s->filename, s->streams[i]->codec->bit_rate); mkdir(os->dirname, 0777); ctx = avformat_alloc_context(); if (!ctx) { ret = AVERROR(ENOMEM); goto fail; } os->ctx = ctx; ctx->oformat = oformat; ctx->interrupt_callback = s->interrupt_callback; if (!(st = avformat_new_stream(ctx, NULL))) { ret = AVERROR(ENOMEM); goto fail; } avcodec_copy_context(st->codec, s->streams[i]->codec); st->sample_aspect_ratio = s->streams[i]->sample_aspect_ratio; ctx->pb = avio_alloc_context(os->iobuf, sizeof(os->iobuf), AVIO_FLAG_WRITE, os, NULL, ism_write, ism_seek); if (!ctx->pb) { ret = AVERROR(ENOMEM); goto fail; } snprintf(buf, sizeof(buf), "%d", c->lookahead_count); av_dict_set(&opts, "ism_lookahead", buf, 0); av_dict_set(&opts, "movflags", "frag_custom", 0); if ((ret = avformat_write_header(ctx, &opts)) < 0) { goto fail; } os->ctx_inited = 1; avio_flush(ctx->pb); av_dict_free(&opts); s->streams[i]->time_base = st->time_base; if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { c->has_video = 1; os->stream_type_tag = "video"; if (st->codec->codec_id == AV_CODEC_ID_H264) { os->fourcc = "H264"; } else if (st->codec->codec_id == AV_CODEC_ID_VC1) { os->fourcc = "WVC1"; } else { av_log(s, AV_LOG_ERROR, "Unsupported video codec\n"); ret = AVERROR(EINVAL); goto fail; } } else { c->has_audio = 1; os->stream_type_tag = "audio"; if (st->codec->codec_id == AV_CODEC_ID_AAC) { os->fourcc = "AACL"; os->audio_tag = 0xff; } else if (st->codec->codec_id == AV_CODEC_ID_WMAPRO) { os->fourcc = "WMAP"; os->audio_tag = 0x0162; } else { av_log(s, AV_LOG_ERROR, "Unsupported audio codec\n"); ret = AVERROR(EINVAL); goto fail; } os->packet_size = st->codec->block_align ? st->codec->block_align : 4; } get_private_data(os); } if (!c->has_video && c->min_frag_duration <= 0) { av_log(s, AV_LOG_WARNING, "no video stream and no min frag duration set\n"); ret = AVERROR(EINVAL); } ret = write_manifest(s, 0); fail: if (ret) ism_free(s); return ret; } | 15,285 |
1 | static void gradfun_filter_line_mmxext(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers) { intptr_t x; if (width & 3) { x = width & ~3; ff_gradfun_filter_line_c(dst + x, src + x, dc + x / 2, width - x, thresh, dithers); width = x; } x = -width; __asm__ volatile( "movd %4, %%mm5 \n" "pxor %%mm7, %%mm7 \n" "pshufw $0, %%mm5, %%mm5 \n" "movq %6, %%mm6 \n" "movq %5, %%mm4 \n" "1: \n" "movd (%2,%0), %%mm0 \n" "movd (%3,%0), %%mm1 \n" "punpcklbw %%mm7, %%mm0 \n" "punpcklwd %%mm1, %%mm1 \n" "psllw $7, %%mm0 \n" "pxor %%mm2, %%mm2 \n" "psubw %%mm0, %%mm1 \n" // delta = dc - pix "psubw %%mm1, %%mm2 \n" "pmaxsw %%mm1, %%mm2 \n" "pmulhuw %%mm5, %%mm2 \n" // m = abs(delta) * thresh >> 16 "psubw %%mm6, %%mm2 \n" "pminsw %%mm7, %%mm2 \n" // m = -max(0, 127-m) "pmullw %%mm2, %%mm2 \n" "paddw %%mm4, %%mm0 \n" // pix += dither "pmulhw %%mm2, %%mm1 \n" "psllw $2, %%mm1 \n" // m = m*m*delta >> 14 "paddw %%mm1, %%mm0 \n" // pix += m "psraw $7, %%mm0 \n" "packuswb %%mm0, %%mm0 \n" "movd %%mm0, (%1,%0) \n" // dst = clip(pix>>7) "add $4, %0 \n" "jl 1b \n" "emms \n" :"+r"(x) :"r"(dst+width), "r"(src+width), "r"(dc+width/2), "rm"(thresh), "m"(*dithers), "m"(*pw_7f) :"memory" ); } | 15,286 |
1 | static void bdrv_mirror_top_refresh_filename(BlockDriverState *bs, QDict *opts) { bdrv_refresh_filename(bs->backing->bs); pstrcpy(bs->exact_filename, sizeof(bs->exact_filename), bs->backing->bs->filename); | 15,287 |
1 | static CharDriverState *qemu_chr_open_file_out(QemuOpts *opts) { int fd_out; TFR(fd_out = open(qemu_opt_get(opts, "path"), O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666)); if (fd_out < 0) return NULL; return qemu_chr_open_fd(-1, fd_out); } | 15,289 |
1 | static SchroBuffer *find_next_parse_unit(SchroParseUnitContext *parse_ctx) { SchroBuffer *enc_buf = NULL; int next_pu_offset = 0; unsigned char *in_buf; if (parse_ctx->buf_size < 13 || parse_ctx->buf[0] != 'B' || parse_ctx->buf[1] != 'B' || parse_ctx->buf[2] != 'C' || parse_ctx->buf[3] != 'D') return NULL; next_pu_offset = (parse_ctx->buf[5] << 24) + (parse_ctx->buf[6] << 16) + (parse_ctx->buf[7] << 8) + parse_ctx->buf[8]; if (next_pu_offset == 0 && SCHRO_PARSE_CODE_IS_END_OF_SEQUENCE(parse_ctx->buf[4])) next_pu_offset = 13; if (next_pu_offset <= 0 || parse_ctx->buf_size < next_pu_offset) return NULL; in_buf = av_malloc(next_pu_offset); if (!in_buf) { av_log(parse_ctx, AV_LOG_ERROR, "Unable to allocate input buffer\n"); return NULL; } memcpy(in_buf, parse_ctx->buf, next_pu_offset); enc_buf = schro_buffer_new_with_data(in_buf, next_pu_offset); enc_buf->free = libschroedinger_decode_buffer_free; enc_buf->priv = in_buf; parse_ctx->buf += next_pu_offset; parse_ctx->buf_size -= next_pu_offset; return enc_buf; } | 15,291 |
1 | static int ljpeg_decode_rgb_scan(MJpegDecodeContext *s, int predictor, int point_transform){ int i, mb_x, mb_y; uint16_t buffer[2048][4]; int left[3], top[3], topleft[3]; const int linesize= s->linesize[0]; const int mask= (1<<s->bits)-1; for(i=0; i<3; i++){ buffer[0][i]= 1 << (s->bits + point_transform - 1); } for(mb_y = 0; mb_y < s->mb_height; mb_y++) { const int modified_predictor= mb_y ? predictor : 1; uint8_t *ptr = s->picture.data[0] + (linesize * mb_y); if (s->interlaced && s->bottom_field) ptr += linesize >> 1; for(i=0; i<3; i++){ top[i]= left[i]= topleft[i]= buffer[0][i]; } for(mb_x = 0; mb_x < s->mb_width; mb_x++) { if (s->restart_interval && !s->restart_count) s->restart_count = s->restart_interval; for(i=0;i<3;i++) { int pred; topleft[i]= top[i]; top[i]= buffer[mb_x][i]; PREDICT(pred, topleft[i], top[i], left[i], modified_predictor); left[i]= buffer[mb_x][i]= mask & (pred + (mjpeg_decode_dc(s, s->dc_index[i]) << point_transform)); } if (s->restart_interval && !--s->restart_count) { align_get_bits(&s->gb); skip_bits(&s->gb, 16); /* skip RSTn */ } } if(s->rct){ for(mb_x = 0; mb_x < s->mb_width; mb_x++) { ptr[4*mb_x+1] = buffer[mb_x][0] - ((buffer[mb_x][1] + buffer[mb_x][2] - 0x200)>>2); ptr[4*mb_x+0] = buffer[mb_x][1] + ptr[4*mb_x+1]; ptr[4*mb_x+2] = buffer[mb_x][2] + ptr[4*mb_x+1]; } }else if(s->pegasus_rct){ for(mb_x = 0; mb_x < s->mb_width; mb_x++) { ptr[4*mb_x+1] = buffer[mb_x][0] - ((buffer[mb_x][1] + buffer[mb_x][2])>>2); ptr[4*mb_x+0] = buffer[mb_x][1] + ptr[4*mb_x+1]; ptr[4*mb_x+2] = buffer[mb_x][2] + ptr[4*mb_x+1]; } }else{ for(mb_x = 0; mb_x < s->mb_width; mb_x++) { ptr[4*mb_x+0] = buffer[mb_x][0]; ptr[4*mb_x+1] = buffer[mb_x][1]; ptr[4*mb_x+2] = buffer[mb_x][2]; } } } return 0; } | 15,292 |
0 | static int dnxhd_10bit_dct_quantize(MpegEncContext *ctx, DCTELEM *block, int n, int qscale, int *overflow) { const uint8_t *scantable= ctx->intra_scantable.scantable; const int *qmat = ctx->q_intra_matrix[qscale]; int last_non_zero = 0; ctx->dsp.fdct(block); // Divide by 4 with rounding, to compensate scaling of DCT coefficients block[0] = (block[0] + 2) >> 2; for (int i = 1; i < 64; ++i) { int j = scantable[i]; int sign = block[j] >> 31; int level = (block[j] ^ sign) - sign; level = level * qmat[j] >> DNX10BIT_QMAT_SHIFT; block[j] = (level ^ sign) - sign; if (level) last_non_zero = i; } return last_non_zero; } | 15,293 |
0 | static int estimate_motion_b(MpegEncContext *s, int mb_x, int mb_y, int16_t (*mv_table)[2], int ref_index, int f_code) { MotionEstContext * const c= &s->me; int mx = 0, my = 0, dmin = 0; int P[10][2]; const int shift= 1+s->quarter_sample; const int mot_stride = s->mb_stride; const int mot_xy = mb_y*mot_stride + mb_x; uint8_t * const mv_penalty= c->mv_penalty[f_code] + MAX_MV; int mv_scale; c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp); c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp); c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp); c->current_mv_penalty= mv_penalty; get_limits(s, 16*mb_x, 16*mb_y); if (s->motion_est != FF_ME_ZERO) { P_LEFT[0] = mv_table[mot_xy - 1][0]; P_LEFT[1] = mv_table[mot_xy - 1][1]; if (P_LEFT[0] > (c->xmax << shift)) P_LEFT[0] = (c->xmax << shift); /* special case for first line */ if (!s->first_slice_line) { P_TOP[0] = mv_table[mot_xy - mot_stride ][0]; P_TOP[1] = mv_table[mot_xy - mot_stride ][1]; P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1][0]; P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1][1]; if (P_TOP[1] > (c->ymax << shift)) P_TOP[1] = (c->ymax << shift); if (P_TOPRIGHT[0] < (c->xmin << shift)) P_TOPRIGHT[0] = (c->xmin << shift); if (P_TOPRIGHT[1] > (c->ymax << shift)) P_TOPRIGHT[1] = (c->ymax << shift); P_MEDIAN[0] = mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); P_MEDIAN[1] = mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); } c->pred_x = P_LEFT[0]; c->pred_y = P_LEFT[1]; if(mv_table == s->b_forw_mv_table){ mv_scale= (s->pb_time<<16) / (s->pp_time<<shift); }else{ mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift); } dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, ref_index, s->p_mv_table, mv_scale, 0, 16); } dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, ref_index, 0, 16); if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip) dmin= get_mb_score(s, mx, my, 0, ref_index, 0, 16, 1); // s->mb_type[mb_y*s->mb_width + mb_x]= mb_type; mv_table[mot_xy][0]= mx; mv_table[mot_xy][1]= my; return dmin; } | 15,294 |
0 | static av_cold int XAVS_close(AVCodecContext *avctx) { XavsContext *x4 = avctx->priv_data; av_freep(&avctx->extradata); av_free(x4->sei); av_freep(&x4->pts_buffer); if (x4->enc) xavs_encoder_close(x4->enc); av_frame_free(&avctx->coded_frame); return 0; } | 15,295 |
1 | int vhdx_parse_log(BlockDriverState *bs, BDRVVHDXState *s, bool *flushed) { int ret = 0; VHDXHeader *hdr; VHDXLogSequence logs = { 0 }; hdr = s->headers[s->curr_header]; *flushed = false; /* s->log.hdr is freed in vhdx_close() */ if (s->log.hdr == NULL) { s->log.hdr = qemu_blockalign(bs, sizeof(VHDXLogEntryHeader)); } s->log.offset = hdr->log_offset; s->log.length = hdr->log_length; if (s->log.offset < VHDX_LOG_MIN_SIZE || s->log.offset % VHDX_LOG_MIN_SIZE) { ret = -EINVAL; goto exit; } /* per spec, only log version of 0 is supported */ if (hdr->log_version != 0) { ret = -EINVAL; goto exit; } /* If either the log guid, or log length is zero, * then a replay log is not present */ if (guid_eq(hdr->log_guid, zero_guid)) { goto exit; } if (hdr->log_length == 0) { goto exit; } if (hdr->log_length % VHDX_LOG_MIN_SIZE) { ret = -EINVAL; goto exit; } /* The log is present, we need to find if and where there is an active * sequence of valid entries present in the log. */ ret = vhdx_log_search(bs, s, &logs); if (ret < 0) { goto exit; } if (logs.valid) { /* now flush the log */ ret = vhdx_log_flush(bs, s, &logs); if (ret < 0) { goto exit; } *flushed = true; } exit: return ret; } | 15,297 |
1 | QCryptoCipher *qcrypto_cipher_new(QCryptoCipherAlgorithm alg, QCryptoCipherMode mode, const uint8_t *key, size_t nkey, Error **errp) { QCryptoCipher *cipher; QCryptoCipherNettle *ctx; uint8_t *rfbkey; switch (mode) { case QCRYPTO_CIPHER_MODE_ECB: case QCRYPTO_CIPHER_MODE_CBC: case QCRYPTO_CIPHER_MODE_XTS: case QCRYPTO_CIPHER_MODE_CTR: break; default: error_setg(errp, "Unsupported cipher mode %s", QCryptoCipherMode_lookup[mode]); return NULL; } if (!qcrypto_cipher_validate_key_length(alg, mode, nkey, errp)) { return NULL; } cipher = g_new0(QCryptoCipher, 1); cipher->alg = alg; cipher->mode = mode; ctx = g_new0(QCryptoCipherNettle, 1); switch (alg) { case QCRYPTO_CIPHER_ALG_DES_RFB: ctx->ctx = g_new0(struct des_ctx, 1); rfbkey = qcrypto_cipher_munge_des_rfb_key(key, nkey); des_set_key(ctx->ctx, rfbkey); g_free(rfbkey); ctx->alg_encrypt_native = des_encrypt_native; ctx->alg_decrypt_native = des_decrypt_native; ctx->alg_encrypt_wrapper = des_encrypt_wrapper; ctx->alg_decrypt_wrapper = des_decrypt_wrapper; ctx->blocksize = DES_BLOCK_SIZE; break; case QCRYPTO_CIPHER_ALG_AES_128: case QCRYPTO_CIPHER_ALG_AES_192: case QCRYPTO_CIPHER_ALG_AES_256: ctx->ctx = g_new0(QCryptoNettleAES, 1); if (mode == QCRYPTO_CIPHER_MODE_XTS) { ctx->ctx_tweak = g_new0(QCryptoNettleAES, 1); nkey /= 2; aes_set_encrypt_key(&((QCryptoNettleAES *)ctx->ctx)->enc, nkey, key); aes_set_decrypt_key(&((QCryptoNettleAES *)ctx->ctx)->dec, nkey, key); aes_set_encrypt_key(&((QCryptoNettleAES *)ctx->ctx_tweak)->enc, nkey, key + nkey); aes_set_decrypt_key(&((QCryptoNettleAES *)ctx->ctx_tweak)->dec, nkey, key + nkey); } else { aes_set_encrypt_key(&((QCryptoNettleAES *)ctx->ctx)->enc, nkey, key); aes_set_decrypt_key(&((QCryptoNettleAES *)ctx->ctx)->dec, nkey, key); } ctx->alg_encrypt_native = aes_encrypt_native; ctx->alg_decrypt_native = aes_decrypt_native; ctx->alg_encrypt_wrapper = aes_encrypt_wrapper; ctx->alg_decrypt_wrapper = aes_decrypt_wrapper; ctx->blocksize = AES_BLOCK_SIZE; break; case QCRYPTO_CIPHER_ALG_CAST5_128: ctx->ctx = g_new0(struct cast128_ctx, 1); if (mode == QCRYPTO_CIPHER_MODE_XTS) { ctx->ctx_tweak = g_new0(struct cast128_ctx, 1); nkey /= 2; cast5_set_key(ctx->ctx, nkey, key); cast5_set_key(ctx->ctx_tweak, nkey, key + nkey); } else { cast5_set_key(ctx->ctx, nkey, key); } ctx->alg_encrypt_native = cast128_encrypt_native; ctx->alg_decrypt_native = cast128_decrypt_native; ctx->alg_encrypt_wrapper = cast128_encrypt_wrapper; ctx->alg_decrypt_wrapper = cast128_decrypt_wrapper; ctx->blocksize = CAST128_BLOCK_SIZE; break; case QCRYPTO_CIPHER_ALG_SERPENT_128: case QCRYPTO_CIPHER_ALG_SERPENT_192: case QCRYPTO_CIPHER_ALG_SERPENT_256: ctx->ctx = g_new0(struct serpent_ctx, 1); if (mode == QCRYPTO_CIPHER_MODE_XTS) { ctx->ctx_tweak = g_new0(struct serpent_ctx, 1); nkey /= 2; serpent_set_key(ctx->ctx, nkey, key); serpent_set_key(ctx->ctx_tweak, nkey, key + nkey); } else { serpent_set_key(ctx->ctx, nkey, key); } ctx->alg_encrypt_native = serpent_encrypt_native; ctx->alg_decrypt_native = serpent_decrypt_native; ctx->alg_encrypt_wrapper = serpent_encrypt_wrapper; ctx->alg_decrypt_wrapper = serpent_decrypt_wrapper; ctx->blocksize = SERPENT_BLOCK_SIZE; break; case QCRYPTO_CIPHER_ALG_TWOFISH_128: case QCRYPTO_CIPHER_ALG_TWOFISH_192: case QCRYPTO_CIPHER_ALG_TWOFISH_256: ctx->ctx = g_new0(struct twofish_ctx, 1); if (mode == QCRYPTO_CIPHER_MODE_XTS) { ctx->ctx_tweak = g_new0(struct twofish_ctx, 1); nkey /= 2; twofish_set_key(ctx->ctx, nkey, key); twofish_set_key(ctx->ctx_tweak, nkey, key + nkey); } else { twofish_set_key(ctx->ctx, nkey, key); } ctx->alg_encrypt_native = twofish_encrypt_native; ctx->alg_decrypt_native = twofish_decrypt_native; ctx->alg_encrypt_wrapper = twofish_encrypt_wrapper; ctx->alg_decrypt_wrapper = twofish_decrypt_wrapper; ctx->blocksize = TWOFISH_BLOCK_SIZE; break; default: error_setg(errp, "Unsupported cipher algorithm %s", QCryptoCipherAlgorithm_lookup[alg]); goto error; } if (mode == QCRYPTO_CIPHER_MODE_XTS && ctx->blocksize != XTS_BLOCK_SIZE) { error_setg(errp, "Cipher block size %zu must equal XTS block size %d", ctx->blocksize, XTS_BLOCK_SIZE); goto error; } ctx->iv = g_new0(uint8_t, ctx->blocksize); cipher->opaque = ctx; return cipher; error: g_free(cipher); g_free(ctx); return NULL; } | 15,298 |
1 | static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "minf"); if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) mov_write_vmhd_tag(pb); else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) mov_write_smhd_tag(pb); else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) { if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) { mov_write_gmhd_tag(pb, track); } else { mov_write_nmhd_tag(pb); } } else if (track->tag == MKTAG('r','t','p',' ')) { mov_write_hmhd_tag(pb); } else if (track->tag == MKTAG('t','m','c','d')) { mov_write_gmhd_tag(pb, track); } if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */ mov_write_hdlr_tag(pb, NULL); mov_write_dinf_tag(pb); mov_write_stbl_tag(pb, track); return update_size(pb, pos); } | 15,299 |
1 | static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q) { const AVPixFmtDescriptor *desc; mfxSession session = NULL; int iopattern = 0; mfxVideoParam param = { { 0 } }; int frame_width = avctx->coded_width; int frame_height = avctx->coded_height; int ret; desc = av_pix_fmt_desc_get(avctx->sw_pix_fmt); if (!desc) return AVERROR_BUG; if (!q->async_fifo) { q->async_fifo = av_fifo_alloc((1 + q->async_depth) * (sizeof(mfxSyncPoint*) + sizeof(QSVFrame*))); if (!q->async_fifo) return AVERROR(ENOMEM); } if (avctx->pix_fmt == AV_PIX_FMT_QSV && avctx->hwaccel_context) { AVQSVContext *user_ctx = avctx->hwaccel_context; session = user_ctx->session; iopattern = user_ctx->iopattern; q->ext_buffers = user_ctx->ext_buffers; q->nb_ext_buffers = user_ctx->nb_ext_buffers; } if (avctx->hw_frames_ctx) { AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data; AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx; if (!iopattern) { if (frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME) iopattern = MFX_IOPATTERN_OUT_OPAQUE_MEMORY; else if (frames_hwctx->frame_type & MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET) iopattern = MFX_IOPATTERN_OUT_VIDEO_MEMORY; } frame_width = frames_hwctx->surfaces[0].Info.Width; frame_height = frames_hwctx->surfaces[0].Info.Height; } if (!iopattern) iopattern = MFX_IOPATTERN_OUT_SYSTEM_MEMORY; q->iopattern = iopattern; ret = qsv_init_session(avctx, q, session, avctx->hw_frames_ctx); if (ret < 0) { av_log(avctx, AV_LOG_ERROR, "Error initializing an MFX session\n"); return ret; } ret = ff_qsv_codec_id_to_mfx(avctx->codec_id); if (ret < 0) return ret; param.mfx.CodecId = ret; param.mfx.CodecProfile = ff_qsv_profile_to_mfx(avctx->codec_id, avctx->profile); param.mfx.CodecLevel = avctx->level == FF_LEVEL_UNKNOWN ? MFX_LEVEL_UNKNOWN : avctx->level; param.mfx.FrameInfo.BitDepthLuma = desc->comp[0].depth; param.mfx.FrameInfo.BitDepthChroma = desc->comp[0].depth; param.mfx.FrameInfo.Shift = desc->comp[0].depth > 8; param.mfx.FrameInfo.FourCC = q->fourcc; param.mfx.FrameInfo.Width = frame_width; param.mfx.FrameInfo.Height = frame_height; param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420; switch (avctx->field_order) { case AV_FIELD_PROGRESSIVE: param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE; break; case AV_FIELD_TT: param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_FIELD_TFF; break; case AV_FIELD_BB: param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_FIELD_BFF; break; default: param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_UNKNOWN; break; } param.IOPattern = q->iopattern; param.AsyncDepth = q->async_depth; param.ExtParam = q->ext_buffers; param.NumExtParam = q->nb_ext_buffers; ret = MFXVideoDECODE_Init(q->session, ¶m); if (ret < 0) return ff_qsv_print_error(avctx, ret, "Error initializing the MFX video decoder"); q->frame_info = param.mfx.FrameInfo; return 0; } | 15,300 |
1 | static void ir2_decode_plane(Ir2Context *ctx, int width, int height, uint8_t *dst, int stride, const uint8_t *table) { int i; int j; int out = 0; int c; int t; /* first line contain absolute values, other lines contain deltas */ while (out < width){ c = ir2_get_code(&ctx->gb); if(c > 0x80) { /* we have a run */ c -= 0x80; for (i = 0; i < c * 2; i++) dst[out++] = 0x80; } else { /* copy two values from table */ dst[out++] = table[c * 2]; dst[out++] = table[(c * 2) + 1]; } } dst += stride; for (j = 1; j < height; j++){ out = 0; while (out < width){ c = ir2_get_code(&ctx->gb); if(c > 0x80) { /* we have a skip */ c -= 0x80; for (i = 0; i < c * 2; i++) { dst[out] = dst[out - stride]; out++; } } else { /* add two deltas from table */ t = dst[out - stride] + (table[c * 2] - 128); CLAMP_TO_BYTE(t); dst[out] = t; out++; t = dst[out - stride] + (table[(c * 2) + 1] - 128); CLAMP_TO_BYTE(t); dst[out] = t; out++; } } dst += stride; } } | 15,302 |
1 | int kvm_arm_sync_mpstate_to_kvm(ARMCPU *cpu) { if (cap_has_mp_state) { struct kvm_mp_state mp_state = { .mp_state = cpu->powered_off ? KVM_MP_STATE_STOPPED : KVM_MP_STATE_RUNNABLE }; int ret = kvm_vcpu_ioctl(CPU(cpu), KVM_SET_MP_STATE, &mp_state); if (ret) { fprintf(stderr, "%s: failed to set MP_STATE %d/%s\n", __func__, ret, strerror(-ret)); return -1; } } return 0; } | 15,303 |
1 | void virtio_queue_aio_set_host_notifier_handler(VirtQueue *vq, AioContext *ctx, bool assign, bool set_handler) { if (assign && set_handler) { aio_set_event_notifier(ctx, &vq->host_notifier, true, virtio_queue_host_notifier_read); } else { aio_set_event_notifier(ctx, &vq->host_notifier, true, NULL); } if (!assign) { /* Test and clear notifier before after disabling event, * in case poll callback didn't have time to run. */ virtio_queue_host_notifier_read(&vq->host_notifier); } } | 15,304 |
1 | av_cold int swr_init(struct SwrContext *s){ int ret; char l1[1024], l2[1024]; clear_context(s); if(s-> in_sample_fmt >= AV_SAMPLE_FMT_NB){ av_log(s, AV_LOG_ERROR, "Requested input sample format %d is invalid\n", s->in_sample_fmt); return AVERROR(EINVAL); } if(s->out_sample_fmt >= AV_SAMPLE_FMT_NB){ av_log(s, AV_LOG_ERROR, "Requested output sample format %d is invalid\n", s->out_sample_fmt); return AVERROR(EINVAL); } s->out.ch_count = s-> user_out_ch_count; s-> in.ch_count = s-> user_in_ch_count; s->used_ch_count = s->user_used_ch_count; s-> in_ch_layout = s-> user_in_ch_layout; s->out_ch_layout = s->user_out_ch_layout; if(av_get_channel_layout_nb_channels(s-> in_ch_layout) > SWR_CH_MAX) { av_log(s, AV_LOG_WARNING, "Input channel layout 0x%"PRIx64" is invalid or unsupported.\n", s-> in_ch_layout); s->in_ch_layout = 0; } if(av_get_channel_layout_nb_channels(s->out_ch_layout) > SWR_CH_MAX) { av_log(s, AV_LOG_WARNING, "Output channel layout 0x%"PRIx64" is invalid or unsupported.\n", s->out_ch_layout); s->out_ch_layout = 0; } switch(s->engine){ #if CONFIG_LIBSOXR case SWR_ENGINE_SOXR: s->resampler = &swri_soxr_resampler; break; #endif case SWR_ENGINE_SWR : s->resampler = &swri_resampler; break; default: av_log(s, AV_LOG_ERROR, "Requested resampling engine is unavailable\n"); return AVERROR(EINVAL); } if(!s->used_ch_count) s->used_ch_count= s->in.ch_count; if(s->used_ch_count && s-> in_ch_layout && s->used_ch_count != av_get_channel_layout_nb_channels(s-> in_ch_layout)){ av_log(s, AV_LOG_WARNING, "Input channel layout has a different number of channels than the number of used channels, ignoring layout\n"); s-> in_ch_layout= 0; } if(!s-> in_ch_layout) s-> in_ch_layout= av_get_default_channel_layout(s->used_ch_count); if(!s->out_ch_layout) s->out_ch_layout= av_get_default_channel_layout(s->out.ch_count); s->rematrix= s->out_ch_layout !=s->in_ch_layout || s->rematrix_volume!=1.0 || s->rematrix_custom; if(s->int_sample_fmt == AV_SAMPLE_FMT_NONE){ if(av_get_planar_sample_fmt(s->in_sample_fmt) <= AV_SAMPLE_FMT_S16P){ s->int_sample_fmt= AV_SAMPLE_FMT_S16P; }else if( av_get_planar_sample_fmt(s-> in_sample_fmt) == AV_SAMPLE_FMT_S32P && av_get_planar_sample_fmt(s->out_sample_fmt) == AV_SAMPLE_FMT_S32P && !s->rematrix && s->engine != SWR_ENGINE_SOXR){ s->int_sample_fmt= AV_SAMPLE_FMT_S32P; }else if(av_get_planar_sample_fmt(s->in_sample_fmt) <= AV_SAMPLE_FMT_FLTP){ s->int_sample_fmt= AV_SAMPLE_FMT_FLTP; }else{ av_log(s, AV_LOG_DEBUG, "Using double precision mode\n"); s->int_sample_fmt= AV_SAMPLE_FMT_DBLP; } } if( s->int_sample_fmt != AV_SAMPLE_FMT_S16P &&s->int_sample_fmt != AV_SAMPLE_FMT_S32P &&s->int_sample_fmt != AV_SAMPLE_FMT_FLTP &&s->int_sample_fmt != AV_SAMPLE_FMT_DBLP){ av_log(s, AV_LOG_ERROR, "Requested sample format %s is not supported internally, S16/S32/FLT/DBL is supported\n", av_get_sample_fmt_name(s->int_sample_fmt)); return AVERROR(EINVAL); } set_audiodata_fmt(&s-> in, s-> in_sample_fmt); set_audiodata_fmt(&s->out, s->out_sample_fmt); if (s->firstpts_in_samples != AV_NOPTS_VALUE) { if (!s->async && s->min_compensation >= FLT_MAX/2) s->async = 1; s->firstpts = s->outpts = s->firstpts_in_samples * s->out_sample_rate; } else s->firstpts = AV_NOPTS_VALUE; if (s->async) { if (s->min_compensation >= FLT_MAX/2) s->min_compensation = 0.001; if (s->async > 1.0001) { s->max_soft_compensation = s->async / (double) s->in_sample_rate; } } if (s->out_sample_rate!=s->in_sample_rate || (s->flags & SWR_FLAG_RESAMPLE)){ s->resample = s->resampler->init(s->resample, s->out_sample_rate, s->in_sample_rate, s->filter_size, s->phase_shift, s->linear_interp, s->cutoff, s->int_sample_fmt, s->filter_type, s->kaiser_beta, s->precision, s->cheby); if (!s->resample) { av_log(s, AV_LOG_ERROR, "Failed to initilaize resampler\n"); return AVERROR(ENOMEM); } }else s->resampler->free(&s->resample); if( s->int_sample_fmt != AV_SAMPLE_FMT_S16P && s->int_sample_fmt != AV_SAMPLE_FMT_S32P && s->int_sample_fmt != AV_SAMPLE_FMT_FLTP && s->int_sample_fmt != AV_SAMPLE_FMT_DBLP && s->resample){ av_log(s, AV_LOG_ERROR, "Resampling only supported with internal s16/s32/flt/dbl\n"); return -1; } #define RSC 1 //FIXME finetune if(!s-> in.ch_count) s-> in.ch_count= av_get_channel_layout_nb_channels(s-> in_ch_layout); if(!s->used_ch_count) s->used_ch_count= s->in.ch_count; if(!s->out.ch_count) s->out.ch_count= av_get_channel_layout_nb_channels(s->out_ch_layout); if(!s-> in.ch_count){ av_assert0(!s->in_ch_layout); av_log(s, AV_LOG_ERROR, "Input channel count and layout are unset\n"); return -1; } av_get_channel_layout_string(l1, sizeof(l1), s-> in.ch_count, s-> in_ch_layout); av_get_channel_layout_string(l2, sizeof(l2), s->out.ch_count, s->out_ch_layout); if (s->out_ch_layout && s->out.ch_count != av_get_channel_layout_nb_channels(s->out_ch_layout)) { av_log(s, AV_LOG_ERROR, "Output channel layout %s mismatches specified channel count %d\n", l2, s->out.ch_count); return AVERROR(EINVAL); } if (s->in_ch_layout && s->used_ch_count != av_get_channel_layout_nb_channels(s->in_ch_layout)) { av_log(s, AV_LOG_ERROR, "Input channel layout %s mismatches specified channel count %d\n", l1, s->used_ch_count); return AVERROR(EINVAL); } if ((!s->out_ch_layout || !s->in_ch_layout) && s->used_ch_count != s->out.ch_count && !s->rematrix_custom) { av_log(s, AV_LOG_ERROR, "Rematrix is needed between %s and %s " "but there is not enough information to do it\n", l1, l2); return -1; } av_assert0(s->used_ch_count); av_assert0(s->out.ch_count); s->resample_first= RSC*s->out.ch_count/s->in.ch_count - RSC < s->out_sample_rate/(float)s-> in_sample_rate - 1.0; s->in_buffer= s->in; s->silence = s->in; s->drop_temp= s->out; if(!s->resample && !s->rematrix && !s->channel_map && !s->dither.method){ s->full_convert = swri_audio_convert_alloc(s->out_sample_fmt, s-> in_sample_fmt, s-> in.ch_count, NULL, 0); return 0; } s->in_convert = swri_audio_convert_alloc(s->int_sample_fmt, s-> in_sample_fmt, s->used_ch_count, s->channel_map, 0); s->out_convert= swri_audio_convert_alloc(s->out_sample_fmt, s->int_sample_fmt, s->out.ch_count, NULL, 0); if (!s->in_convert || !s->out_convert) return AVERROR(ENOMEM); s->postin= s->in; s->preout= s->out; s->midbuf= s->in; if(s->channel_map){ s->postin.ch_count= s->midbuf.ch_count= s->used_ch_count; if(s->resample) s->in_buffer.ch_count= s->used_ch_count; } if(!s->resample_first){ s->midbuf.ch_count= s->out.ch_count; if(s->resample) s->in_buffer.ch_count = s->out.ch_count; } set_audiodata_fmt(&s->postin, s->int_sample_fmt); set_audiodata_fmt(&s->midbuf, s->int_sample_fmt); set_audiodata_fmt(&s->preout, s->int_sample_fmt); if(s->resample){ set_audiodata_fmt(&s->in_buffer, s->int_sample_fmt); } if ((ret = swri_dither_init(s, s->out_sample_fmt, s->int_sample_fmt)) < 0) return ret; if(s->rematrix || s->dither.method) return swri_rematrix_init(s); return 0; } | 15,305 |
1 | static av_always_inline void vc1_apply_p_v_loop_filter(VC1Context *v, int block_num) { MpegEncContext *s = &v->s; int mb_cbp = v->cbp[s->mb_x - s->mb_stride], block_cbp = mb_cbp >> (block_num * 4), bottom_cbp, mb_is_intra = v->is_intra[s->mb_x - s->mb_stride], block_is_intra = mb_is_intra >> (block_num * 4), bottom_is_intra; int idx, linesize = block_num > 3 ? s->uvlinesize : s->linesize, ttblk; uint8_t *dst; if (block_num > 3) { dst = s->dest[block_num - 3]; } else { dst = s->dest[0] + (block_num & 1) * 8 + ((block_num & 2) * 4 - 8) * linesize; } if (s->mb_y != s->end_mb_y || block_num < 2) { int16_t (*mv)[2]; int mv_stride; if (block_num > 3) { bottom_cbp = v->cbp[s->mb_x] >> (block_num * 4); bottom_is_intra = v->is_intra[s->mb_x] >> (block_num * 4); mv = &v->luma_mv[s->mb_x - s->mb_stride]; mv_stride = s->mb_stride; } else { bottom_cbp = (block_num < 2) ? (mb_cbp >> ((block_num + 2) * 4)) : (v->cbp[s->mb_x] >> ((block_num - 2) * 4)); bottom_is_intra = (block_num < 2) ? (mb_is_intra >> ((block_num + 2) * 4)) : (v->is_intra[s->mb_x] >> ((block_num - 2) * 4)); mv_stride = s->b8_stride; mv = &s->current_picture.motion_val[0][s->block_index[block_num] - 2 * mv_stride]; } if (bottom_is_intra & 1 || block_is_intra & 1 || mv[0][0] != mv[mv_stride][0] || mv[0][1] != mv[mv_stride][1]) { v->vc1dsp.vc1_v_loop_filter8(dst, linesize, v->pq); } else { idx = ((bottom_cbp >> 2) | block_cbp) & 3; if (idx == 3) { v->vc1dsp.vc1_v_loop_filter8(dst, linesize, v->pq); } else if (idx) { if (idx == 1) v->vc1dsp.vc1_v_loop_filter4(dst + 4, linesize, v->pq); else v->vc1dsp.vc1_v_loop_filter4(dst, linesize, v->pq); } } } dst -= 4 * linesize; ttblk = (v->ttblk[s->mb_x - s->mb_stride] >> (block_num * 4)) & 0xF; if (ttblk == TT_4X4 || ttblk == TT_8X4) { idx = (block_cbp | (block_cbp >> 2)) & 3; if (idx == 3) { v->vc1dsp.vc1_v_loop_filter8(dst, linesize, v->pq); } else if (idx) { if (idx == 1) v->vc1dsp.vc1_v_loop_filter4(dst + 4, linesize, v->pq); else v->vc1dsp.vc1_v_loop_filter4(dst, linesize, v->pq); } } } | 15,306 |
0 | int main(void) { int x = 0; int i, j; AVLFG state; av_lfg_init(&state, 0xdeadbeef); for (j = 0; j < 10000; j++) { START_TIMER for (i = 0; i < 624; i++) { //av_log(NULL, AV_LOG_ERROR, "%X\n", av_lfg_get(&state)); x += av_lfg_get(&state); } STOP_TIMER("624 calls of av_lfg_get"); } av_log(NULL, AV_LOG_ERROR, "final value:%X\n", x); /* BMG usage example */ { double mean = 1000; double stddev = 53; av_lfg_init(&state, 42); for (i = 0; i < 1000; i += 2) { double bmg_out[2]; av_bmg_get(&state, bmg_out); av_log(NULL, AV_LOG_INFO, "%f\n%f\n", bmg_out[0] * stddev + mean, bmg_out[1] * stddev + mean); } } return 0; } | 15,307 |
0 | enum CodecID codec_get_id(const CodecTag *tags, unsigned int tag) { while (tags->id != 0) { if( toupper((tag >> 0)&0xFF) == toupper((tags->tag >> 0)&0xFF) && toupper((tag >> 8)&0xFF) == toupper((tags->tag >> 8)&0xFF) && toupper((tag >>16)&0xFF) == toupper((tags->tag >>16)&0xFF) && toupper((tag >>24)&0xFF) == toupper((tags->tag >>24)&0xFF)) return tags->id; tags++; } return CODEC_ID_NONE; } | 15,308 |
0 | static void FUNCC(pred4x4_vertical_add)(uint8_t *_pix, const int16_t *_block, ptrdiff_t stride) { int i; pixel *pix = (pixel*)_pix; const dctcoef *block = (const dctcoef*)_block; stride >>= sizeof(pixel)-1; pix -= stride; for(i=0; i<4; i++){ pixel v = pix[0]; pix[1*stride]= v += block[0]; pix[2*stride]= v += block[4]; pix[3*stride]= v += block[8]; pix[4*stride]= v + block[12]; pix++; block++; } } | 15,309 |
1 | static void pci_bridge_cleanup_alias(MemoryRegion *alias, MemoryRegion *parent_space) { memory_region_del_subregion(parent_space, alias); memory_region_destroy(alias); } | 15,310 |
1 | static int get_buffer_internal(AVCodecContext *avctx, AVFrame *frame, int flags) { const AVHWAccel *hwaccel = avctx->hwaccel; int override_dimensions = 1; int ret; if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) { if ((ret = av_image_check_size2(avctx->width, avctx->height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx)) < 0 || avctx->pix_fmt<0) { av_log(avctx, AV_LOG_ERROR, "video_get_buffer: image parameters invalid\n"); return AVERROR(EINVAL); } if (frame->width <= 0 || frame->height <= 0) { frame->width = FFMAX(avctx->width, AV_CEIL_RSHIFT(avctx->coded_width, avctx->lowres)); frame->height = FFMAX(avctx->height, AV_CEIL_RSHIFT(avctx->coded_height, avctx->lowres)); override_dimensions = 0; } if (frame->data[0] || frame->data[1] || frame->data[2] || frame->data[3]) { av_log(avctx, AV_LOG_ERROR, "pic->data[*]!=NULL in get_buffer_internal\n"); return AVERROR(EINVAL); } } ret = ff_decode_frame_props(avctx, frame); return ret; if (hwaccel) { if (hwaccel->alloc_frame) { ret = hwaccel->alloc_frame(avctx, frame); goto end; } } else avctx->sw_pix_fmt = avctx->pix_fmt; ret = avctx->get_buffer2(avctx, frame, flags); if (ret >= 0) validate_avframe_allocation(avctx, frame); end: if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions && !(avctx->codec->caps_internal & FF_CODEC_CAP_EXPORTS_CROPPING)) { frame->width = avctx->width; frame->height = avctx->height; } return ret; } | 15,313 |
1 | void pcie_host_mmcfg_init(PCIExpressHost *e, uint32_t size) { assert(!(size & (size - 1))); /* power of 2 */ assert(size >= PCIE_MMCFG_SIZE_MIN); assert(size <= PCIE_MMCFG_SIZE_MAX); e->size = size; memory_region_init_io(&e->mmio, OBJECT(e), &pcie_mmcfg_ops, e, "pcie-mmcfg", e->size); } | 15,314 |
1 | static void update_sse_status(CPUX86State *env) { int rnd_type; /* set rounding mode */ switch (env->mxcsr & SSE_RC_MASK) { default: case SSE_RC_NEAR: rnd_type = float_round_nearest_even; break; case SSE_RC_DOWN: rnd_type = float_round_down; break; case SSE_RC_UP: rnd_type = float_round_up; break; case SSE_RC_CHOP: rnd_type = float_round_to_zero; break; } set_float_rounding_mode(rnd_type, &env->sse_status); /* set denormals are zero */ set_flush_inputs_to_zero((env->mxcsr & SSE_DAZ) ? 1 : 0, &env->sse_status); /* set flush to zero */ set_flush_to_zero((env->mxcsr & SSE_FZ) ? 1 : 0, &env->fp_status); } | 15,315 |
1 | static int adts_aac_probe(AVProbeData *p) { int max_frames = 0, first_frames = 0; int fsize, frames; uint8_t *buf0 = p->buf; uint8_t *buf2; uint8_t *buf; uint8_t *end = buf0 + p->buf_size - 7; buf = buf0; for(; buf < end; buf= buf2+1) { buf2 = buf; for(frames = 0; buf2 < end; frames++) { uint32_t header = AV_RB16(buf2); if((header&0xFFF6) != 0xFFF0) break; fsize = (AV_RB32(buf2 + 3) >> 13) & 0x1FFF; if(fsize < 7) break; buf2 += fsize; } max_frames = FFMAX(max_frames, frames); if(buf == buf0) first_frames= frames; } if (first_frames>=3) return AVPROBE_SCORE_MAX/2+1; else if(max_frames>500)return AVPROBE_SCORE_MAX/2; else if(max_frames>=3) return AVPROBE_SCORE_MAX/4; else if(max_frames>=1) return 1; else return 0; } | 15,316 |
1 | static int qio_channel_websock_handshake_read(QIOChannelWebsock *ioc, Error **errp) { char *handshake_end; ssize_t ret; /* Typical HTTP headers from novnc are 512 bytes, so limiting * total header size to 4096 is easily enough. */ size_t want = 4096 - ioc->encinput.offset; buffer_reserve(&ioc->encinput, want); ret = qio_channel_read(ioc->master, (char *)buffer_end(&ioc->encinput), want, errp); if (ret < 0) { return -1; } ioc->encinput.offset += ret; handshake_end = g_strstr_len((char *)ioc->encinput.buffer, ioc->encinput.offset, QIO_CHANNEL_WEBSOCK_HANDSHAKE_END); if (!handshake_end) { if (ioc->encinput.offset >= 4096) { error_setg(errp, "End of headers not found in first 4096 bytes"); return -1; } else { return 0; } } *handshake_end = '\0'; if (qio_channel_websock_handshake_process(ioc, (char *)ioc->encinput.buffer, errp) < 0) { return -1; } buffer_advance(&ioc->encinput, handshake_end - (char *)ioc->encinput.buffer + strlen(QIO_CHANNEL_WEBSOCK_HANDSHAKE_END)); return 1; } | 15,317 |
1 | static int decode_init_mp3on4(AVCodecContext * avctx) { MP3On4DecodeContext *s = avctx->priv_data; MPEG4AudioConfig cfg; int i; if ((avctx->extradata_size < 2) || (avctx->extradata == NULL)) { av_log(avctx, AV_LOG_ERROR, "Codec extradata missing or too short.\n"); return -1; } avpriv_mpeg4audio_get_config(&cfg, avctx->extradata, avctx->extradata_size); if (!cfg.chan_config || cfg.chan_config > 7) { av_log(avctx, AV_LOG_ERROR, "Invalid channel config number.\n"); return -1; } s->frames = mp3Frames[cfg.chan_config]; s->coff = chan_offset[cfg.chan_config]; avctx->channels = ff_mpeg4audio_channels[cfg.chan_config]; avctx->channel_layout = chan_layout[cfg.chan_config]; if (cfg.sample_rate < 16000) s->syncword = 0xffe00000; else s->syncword = 0xfff00000; /* Init the first mp3 decoder in standard way, so that all tables get builded * We replace avctx->priv_data with the context of the first decoder so that * decode_init() does not have to be changed. * Other decoders will be initialized here copying data from the first context */ // Allocate zeroed memory for the first decoder context s->mp3decctx[0] = av_mallocz(sizeof(MPADecodeContext)); // Put decoder context in place to make init_decode() happy avctx->priv_data = s->mp3decctx[0]; decode_init(avctx); // Restore mp3on4 context pointer avctx->priv_data = s; s->mp3decctx[0]->adu_mode = 1; // Set adu mode /* Create a separate codec/context for each frame (first is already ok). * Each frame is 1 or 2 channels - up to 5 frames allowed */ for (i = 1; i < s->frames; i++) { s->mp3decctx[i] = av_mallocz(sizeof(MPADecodeContext)); if (!s->mp3decctx[i]) s->mp3decctx[i]->adu_mode = 1; s->mp3decctx[i]->avctx = avctx; s->mp3decctx[i]->mpadsp = s->mp3decctx[0]->mpadsp; } /* Allocate buffer for multi-channel output if needed */ if (s->frames > 1) { s->decoded_buf = av_malloc(MPA_FRAME_SIZE * MPA_MAX_CHANNELS * sizeof(*s->decoded_buf)); if (!s->decoded_buf) } return 0; alloc_fail: decode_close_mp3on4(avctx); return AVERROR(ENOMEM); } | 15,318 |
0 | void avdevice_register_all(void) { static int inited; if (inited) return; inited = 1; /* devices */ REGISTER_MUXDEMUX (AUDIO_BEOS, audio_beos); REGISTER_DEMUXER (BKTR, bktr); REGISTER_DEMUXER (DV1394, dv1394); REGISTER_MUXDEMUX (OSS, oss); REGISTER_DEMUXER (V4L2, v4l2); REGISTER_DEMUXER (V4L, v4l); REGISTER_DEMUXER (X11_GRAB_DEVICE, x11_grab_device); /* external libraries */ REGISTER_DEMUXER (LIBDC1394, libdc1394); } | 15,320 |
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