label
int64 0
1
| func1
stringlengths 23
97k
| id
int64 0
27.3k
|
|---|---|---|
1 | static int spapr_vty_init(VIOsPAPRDevice *sdev) { VIOsPAPRVTYDevice *dev = (VIOsPAPRVTYDevice *)sdev; qemu_chr_add_handlers(dev->chardev, vty_can_receive, vty_receive, NULL, dev); return 0; | 22,496 |
1 | static void exynos4210_ltick_recalc_count(struct tick_timer *s) { uint64_t to_count; if ((s->cnt_run && s->last_tcnto) || (s->int_run && s->last_icnto)) { /* * one or both timers run and not counted to the end; * distance is not passed, recalculate with last_tcnto * last_icnto */ if (s->last_tcnto) { to_count = s->last_tcnto * s->last_icnto; } else { to_count = s->last_icnto; } } else { /* distance is passed, recalculate with tcnto * icnto */ if (s->icntb) { s->distance = s->tcntb * s->icntb; } else { s->distance = s->tcntb; } to_count = s->distance; s->progress = 0; } if (to_count > MCT_LT_COUNTER_STEP) { /* count by step */ s->count = MCT_LT_COUNTER_STEP; } else { s->count = to_count; } } | 22,497 |
1 | static void mirror_start_job(const char *job_id, BlockDriverState *bs, int creation_flags, BlockDriverState *target, const char *replaces, int64_t speed, uint32_t granularity, int64_t buf_size, BlockMirrorBackingMode backing_mode, BlockdevOnError on_source_error, BlockdevOnError on_target_error, bool unmap, BlockCompletionFunc *cb, void *opaque, const BlockJobDriver *driver, bool is_none_mode, BlockDriverState *base, bool auto_complete, const char *filter_node_name, Error **errp) { MirrorBlockJob *s; BlockDriverState *mirror_top_bs; bool target_graph_mod; bool target_is_backing; Error *local_err = NULL; int ret; if (granularity == 0) { granularity = bdrv_get_default_bitmap_granularity(target); assert ((granularity & (granularity - 1)) == 0); /* Granularity must be large enough for sector-based dirty bitmap */ assert(granularity >= BDRV_SECTOR_SIZE); if (buf_size < 0) { error_setg(errp, "Invalid parameter 'buf-size'"); return; if (buf_size == 0) { buf_size = DEFAULT_MIRROR_BUF_SIZE; /* In the case of active commit, add dummy driver to provide consistent * reads on the top, while disabling it in the intermediate nodes, and make * the backing chain writable. */ mirror_top_bs = bdrv_new_open_driver(&bdrv_mirror_top, filter_node_name, BDRV_O_RDWR, errp); if (mirror_top_bs == NULL) { return; mirror_top_bs->total_sectors = bs->total_sectors; bdrv_set_aio_context(mirror_top_bs, bdrv_get_aio_context(bs)); /* bdrv_append takes ownership of the mirror_top_bs reference, need to keep * it alive until block_job_create() succeeds even if bs has no parent. */ bdrv_ref(mirror_top_bs); bdrv_drained_begin(bs); bdrv_append(mirror_top_bs, bs, &local_err); bdrv_drained_end(bs); if (local_err) { bdrv_unref(mirror_top_bs); error_propagate(errp, local_err); return; /* Make sure that the source is not resized while the job is running */ s = block_job_create(job_id, driver, mirror_top_bs, BLK_PERM_CONSISTENT_READ, BLK_PERM_CONSISTENT_READ | BLK_PERM_WRITE_UNCHANGED | BLK_PERM_WRITE | BLK_PERM_GRAPH_MOD, speed, creation_flags, cb, opaque, errp); if (!s) { goto fail; /* The block job now has a reference to this node */ bdrv_unref(mirror_top_bs); s->source = bs; s->mirror_top_bs = mirror_top_bs; /* No resize for the target either; while the mirror is still running, a * consistent read isn't necessarily possible. We could possibly allow * writes and graph modifications, though it would likely defeat the * purpose of a mirror, so leave them blocked for now. * * In the case of active commit, things look a bit different, though, * because the target is an already populated backing file in active use. * We can allow anything except resize there.*/ target_is_backing = bdrv_chain_contains(bs, target); target_graph_mod = (backing_mode != MIRROR_LEAVE_BACKING_CHAIN); s->target = blk_new(BLK_PERM_WRITE | BLK_PERM_RESIZE | (target_graph_mod ? BLK_PERM_GRAPH_MOD : 0), BLK_PERM_WRITE_UNCHANGED | (target_is_backing ? BLK_PERM_CONSISTENT_READ | BLK_PERM_WRITE | BLK_PERM_GRAPH_MOD : 0)); ret = blk_insert_bs(s->target, target, errp); if (ret < 0) { goto fail; s->replaces = g_strdup(replaces); s->on_source_error = on_source_error; s->on_target_error = on_target_error; s->is_none_mode = is_none_mode; s->backing_mode = backing_mode; s->base = base; s->granularity = granularity; s->buf_size = ROUND_UP(buf_size, granularity); s->unmap = unmap; if (auto_complete) { s->should_complete = true; s->dirty_bitmap = bdrv_create_dirty_bitmap(bs, granularity, NULL, errp); if (!s->dirty_bitmap) { goto fail; /* Required permissions are already taken with blk_new() */ block_job_add_bdrv(&s->common, "target", target, 0, BLK_PERM_ALL, &error_abort); /* In commit_active_start() all intermediate nodes disappear, so * any jobs in them must be blocked */ if (target_is_backing) { BlockDriverState *iter; for (iter = backing_bs(bs); iter != target; iter = backing_bs(iter)) { /* XXX BLK_PERM_WRITE needs to be allowed so we don't block * ourselves at s->base (if writes are blocked for a node, they are * also blocked for its backing file). The other options would be a * second filter driver above s->base (== target). */ ret = block_job_add_bdrv(&s->common, "intermediate node", iter, 0, BLK_PERM_WRITE_UNCHANGED | BLK_PERM_WRITE, errp); if (ret < 0) { goto fail; trace_mirror_start(bs, s, opaque); block_job_start(&s->common); return; fail: if (s) { /* Make sure this BDS does not go away until we have completed the graph * changes below */ bdrv_ref(mirror_top_bs); g_free(s->replaces); blk_unref(s->target); block_job_early_fail(&s->common); bdrv_child_try_set_perm(mirror_top_bs->backing, 0, BLK_PERM_ALL, &error_abort); bdrv_replace_node(mirror_top_bs, backing_bs(mirror_top_bs), &error_abort); bdrv_unref(mirror_top_bs); | 22,498 |
1 | static int asf_read_packet(AVFormatContext *s, AVPacket *pkt) { ASFContext *asf = s->priv_data; ASFStream *asf_st = 0; ByteIOContext *pb = &s->pb; //static int pc = 0; for (;;) { int rsize = 0; if (asf->packet_size_left < FRAME_HEADER_SIZE || asf->packet_segments < 1) { //asf->packet_size_left <= asf->packet_padsize) { int ret = asf->packet_size_left + asf->packet_padsize; //printf("PacketLeftSize:%d Pad:%d Pos:%Ld\n", asf->packet_size_left, asf->packet_padsize, url_ftell(pb)); if((url_ftell(&s->pb) + ret - s->data_offset) % asf->packet_size) ret += asf->packet_size - ((url_ftell(&s->pb) + ret - s->data_offset) % asf->packet_size); /* fail safe */ url_fskip(pb, ret); asf->packet_pos= url_ftell(&s->pb); ret = asf_get_packet(s); //printf("READ ASF PACKET %d r:%d c:%d\n", ret, asf->packet_size_left, pc++); if (ret < 0 || url_feof(pb)) return AVERROR_IO; asf->packet_time_start = 0; continue; } if (asf->packet_time_start == 0) { /* read frame header */ int num = get_byte(pb); asf->packet_segments--; rsize++; asf->packet_key_frame = (num & 0x80) >> 7; asf->stream_index = asf->asfid2avid[num & 0x7f]; // sequence should be ignored! DO_2BITS(asf->packet_property >> 4, asf->packet_seq, 0); DO_2BITS(asf->packet_property >> 2, asf->packet_frag_offset, 0); DO_2BITS(asf->packet_property, asf->packet_replic_size, 0); //printf("key:%d stream:%d seq:%d offset:%d replic_size:%d\n", asf->packet_key_frame, asf->stream_index, asf->packet_seq, //asf->packet_frag_offset, asf->packet_replic_size); if (asf->packet_replic_size > 1) { assert(asf->packet_replic_size >= 8); // it should be always at least 8 bytes - FIXME validate asf->packet_obj_size = get_le32(pb); asf->packet_frag_timestamp = get_le32(pb); // timestamp if (asf->packet_replic_size > 8) url_fskip(pb, asf->packet_replic_size - 8); rsize += asf->packet_replic_size; // FIXME - check validity } else if (asf->packet_replic_size==1){ // multipacket - frag_offset is begining timestamp asf->packet_time_start = asf->packet_frag_offset; asf->packet_frag_offset = 0; asf->packet_frag_timestamp = asf->packet_timestamp; asf->packet_time_delta = get_byte(pb); rsize++; }else{ assert(asf->packet_replic_size==0); } if (asf->packet_flags & 0x01) { DO_2BITS(asf->packet_segsizetype >> 6, asf->packet_frag_size, 0); // 0 is illegal #undef DO_2BITS //printf("Fragsize %d\n", asf->packet_frag_size); } else { asf->packet_frag_size = asf->packet_size_left - rsize; //printf("Using rest %d %d %d\n", asf->packet_frag_size, asf->packet_size_left, rsize); } if (asf->packet_replic_size == 1) { asf->packet_multi_size = asf->packet_frag_size; if (asf->packet_multi_size > asf->packet_size_left) { asf->packet_segments = 0; continue; } } asf->packet_size_left -= rsize; //printf("___objsize____ %d %d rs:%d\n", asf->packet_obj_size, asf->packet_frag_offset, rsize); if (asf->stream_index < 0 || s->streams[asf->stream_index]->discard >= AVDISCARD_ALL || (!asf->packet_key_frame && s->streams[asf->stream_index]->discard >= AVDISCARD_NONKEY) ) { asf->packet_time_start = 0; /* unhandled packet (should not happen) */ url_fskip(pb, asf->packet_frag_size); asf->packet_size_left -= asf->packet_frag_size; if(asf->stream_index < 0) av_log(s, AV_LOG_ERROR, "ff asf skip %d %d\n", asf->packet_frag_size, num & 0x7f); continue; } asf->asf_st = s->streams[asf->stream_index]->priv_data; } asf_st = asf->asf_st; if ((asf->packet_frag_offset != asf_st->frag_offset || (asf->packet_frag_offset && asf->packet_seq != asf_st->seq)) // seq should be ignored ) { /* cannot continue current packet: free it */ // FIXME better check if packet was already allocated av_log(s, AV_LOG_INFO, "ff asf parser skips: %d - %d o:%d - %d %d %d fl:%d\n", asf_st->pkt.size, asf->packet_obj_size, asf->packet_frag_offset, asf_st->frag_offset, asf->packet_seq, asf_st->seq, asf->packet_frag_size); if (asf_st->pkt.size) av_free_packet(&asf_st->pkt); asf_st->frag_offset = 0; if (asf->packet_frag_offset != 0) { url_fskip(pb, asf->packet_frag_size); av_log(s, AV_LOG_INFO, "ff asf parser skipping %db\n", asf->packet_frag_size); asf->packet_size_left -= asf->packet_frag_size; continue; } } if (asf->packet_replic_size == 1) { // frag_offset is here used as the begining timestamp asf->packet_frag_timestamp = asf->packet_time_start; asf->packet_time_start += asf->packet_time_delta; asf->packet_obj_size = asf->packet_frag_size = get_byte(pb); asf->packet_size_left--; asf->packet_multi_size--; if (asf->packet_multi_size < asf->packet_obj_size) { asf->packet_time_start = 0; url_fskip(pb, asf->packet_multi_size); asf->packet_size_left -= asf->packet_multi_size; continue; } asf->packet_multi_size -= asf->packet_obj_size; //printf("COMPRESS size %d %d %d ms:%d\n", asf->packet_obj_size, asf->packet_frag_timestamp, asf->packet_size_left, asf->packet_multi_size); } if (asf_st->frag_offset == 0) { /* new packet */ av_new_packet(&asf_st->pkt, asf->packet_obj_size); asf_st->seq = asf->packet_seq; asf_st->pkt.pts = asf->packet_frag_timestamp; asf_st->pkt.stream_index = asf->stream_index; asf_st->pkt.pos = asf_st->packet_pos= asf->packet_pos; //printf("new packet: stream:%d key:%d packet_key:%d audio:%d size:%d\n", //asf->stream_index, asf->packet_key_frame, asf_st->pkt.flags & PKT_FLAG_KEY, //s->streams[asf->stream_index]->codec->codec_type == CODEC_TYPE_AUDIO, asf->packet_obj_size); if (s->streams[asf->stream_index]->codec->codec_type == CODEC_TYPE_AUDIO) asf->packet_key_frame = 1; if (asf->packet_key_frame) asf_st->pkt.flags |= PKT_FLAG_KEY; } /* read data */ //printf("READ PACKET s:%d os:%d o:%d,%d l:%d DATA:%p\n", // asf->packet_size, asf_st->pkt.size, asf->packet_frag_offset, // asf_st->frag_offset, asf->packet_frag_size, asf_st->pkt.data); asf->packet_size_left -= asf->packet_frag_size; if (asf->packet_size_left < 0) continue; get_buffer(pb, asf_st->pkt.data + asf->packet_frag_offset, asf->packet_frag_size); asf_st->frag_offset += asf->packet_frag_size; /* test if whole packet is read */ if (asf_st->frag_offset == asf_st->pkt.size) { /* return packet */ if (asf_st->ds_span > 1) { /* packet descrambling */ char* newdata = av_malloc(asf_st->pkt.size); if (newdata) { int offset = 0; while (offset < asf_st->pkt.size) { int off = offset / asf_st->ds_chunk_size; int row = off / asf_st->ds_span; int col = off % asf_st->ds_span; int idx = row + col * asf_st->ds_packet_size / asf_st->ds_chunk_size; //printf("off:%d row:%d col:%d idx:%d\n", off, row, col, idx); memcpy(newdata + offset, asf_st->pkt.data + idx * asf_st->ds_chunk_size, asf_st->ds_chunk_size); offset += asf_st->ds_chunk_size; } av_free(asf_st->pkt.data); asf_st->pkt.data = newdata; } } asf_st->frag_offset = 0; memcpy(pkt, &asf_st->pkt, sizeof(AVPacket)); //printf("packet %d %d\n", asf_st->pkt.size, asf->packet_frag_size); asf_st->pkt.size = 0; asf_st->pkt.data = 0; break; // packet completed } } return 0; } | 22,499 |
0 | static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; TiffContext *const s = avctx->priv_data; AVFrame *picture = data; AVFrame *const p = &s->picture; const uint8_t *orig_buf = buf, *end_buf = buf + buf_size; unsigned off; int id, le, ret; int i, j, entries; int stride; unsigned soff, ssize; uint8_t *dst; //parse image header if (end_buf - buf < 8) return AVERROR_INVALIDDATA; id = AV_RL16(buf); buf += 2; if (id == 0x4949) le = 1; else if (id == 0x4D4D) le = 0; else { av_log(avctx, AV_LOG_ERROR, "TIFF header not found\n"); return -1; } s->le = le; s->invert = 0; s->compr = TIFF_RAW; s->fill_order = 0; free_geotags(s); /* free existing metadata */ av_dict_free(&s->picture.metadata); // As TIFF 6.0 specification puts it "An arbitrary but carefully chosen number // that further identifies the file as a TIFF file" if (tget_short(&buf, le) != 42) { av_log(avctx, AV_LOG_ERROR, "The answer to life, universe and everything is not correct!\n"); return -1; } // Reset these pointers so we can tell if they were set this frame s->stripsizes = s->stripdata = NULL; /* parse image file directory */ off = tget_long(&buf, le); if (off >= UINT_MAX - 14 || end_buf - orig_buf < off + 14) { av_log(avctx, AV_LOG_ERROR, "IFD offset is greater than image size\n"); return AVERROR_INVALIDDATA; } buf = orig_buf + off; entries = tget_short(&buf, le); for (i = 0; i < entries; i++) { if (tiff_decode_tag(s, orig_buf, buf, end_buf) < 0) return -1; buf += 12; } for (i = 0; i<s->geotag_count; i++) { const char *keyname = get_geokey_name(s->geotags[i].key); if (!keyname) { av_log(avctx, AV_LOG_WARNING, "Unknown or unsupported GeoTIFF key %d\n", s->geotags[i].key); continue; } if (get_geokey_type(s->geotags[i].key) != s->geotags[i].type) { av_log(avctx, AV_LOG_WARNING, "Type of GeoTIFF key %d is wrong\n", s->geotags[i].key); continue; } ret = av_dict_set(&s->picture.metadata, keyname, s->geotags[i].val, 0); if (ret<0) { av_log(avctx, AV_LOG_ERROR, "Writing metadata with key '%s' failed\n", keyname); return ret; } } if (!s->stripdata && !s->stripoff) { av_log(avctx, AV_LOG_ERROR, "Image data is missing\n"); return -1; } /* now we have the data and may start decoding */ if ((ret = init_image(s)) < 0) return ret; if (s->strips == 1 && !s->stripsize) { av_log(avctx, AV_LOG_WARNING, "Image data size missing\n"); s->stripsize = buf_size - s->stripoff; } stride = p->linesize[0]; dst = p->data[0]; for (i = 0; i < s->height; i += s->rps) { if (s->stripsizes) { if (s->stripsizes >= end_buf) return AVERROR_INVALIDDATA; ssize = tget(&s->stripsizes, s->sstype, s->le); } else ssize = s->stripsize; if (s->stripdata) { if (s->stripdata >= end_buf) return AVERROR_INVALIDDATA; soff = tget(&s->stripdata, s->sot, s->le); } else soff = s->stripoff; if (soff > buf_size || ssize > buf_size - soff) { av_log(avctx, AV_LOG_ERROR, "Invalid strip size/offset\n"); return -1; } if (tiff_unpack_strip(s, dst, stride, orig_buf + soff, ssize, FFMIN(s->rps, s->height - i)) < 0) break; dst += s->rps * stride; } if (s->predictor == 2) { dst = p->data[0]; soff = s->bpp >> 3; ssize = s->width * soff; if (s->avctx->pix_fmt == PIX_FMT_RGB48LE || s->avctx->pix_fmt == PIX_FMT_RGBA64LE) { for (i = 0; i < s->height; i++) { for (j = soff; j < ssize; j += 2) AV_WL16(dst + j, AV_RL16(dst + j) + AV_RL16(dst + j - soff)); dst += stride; } } else if (s->avctx->pix_fmt == PIX_FMT_RGB48BE || s->avctx->pix_fmt == PIX_FMT_RGBA64BE) { for (i = 0; i < s->height; i++) { for (j = soff; j < ssize; j += 2) AV_WB16(dst + j, AV_RB16(dst + j) + AV_RB16(dst + j - soff)); dst += stride; } } else { for (i = 0; i < s->height; i++) { for (j = soff; j < ssize; j++) dst[j] += dst[j - soff]; dst += stride; } } } if (s->invert) { dst = s->picture.data[0]; for (i = 0; i < s->height; i++) { for (j = 0; j < s->picture.linesize[0]; j++) dst[j] = (s->avctx->pix_fmt == PIX_FMT_PAL8 ? (1<<s->bpp) - 1 : 255) - dst[j]; dst += s->picture.linesize[0]; } } *picture = s->picture; *data_size = sizeof(AVPicture); return buf_size; } | 22,500 |
0 | void ff_limiter_init_x86(LimiterDSPContext *dsp, int bpp) { int cpu_flags = av_get_cpu_flags(); if (ARCH_X86_64 && EXTERNAL_SSE2(cpu_flags)) { if (bpp <= 8) { dsp->limiter = ff_limiter_8bit_sse2; } } if (ARCH_X86_64 && EXTERNAL_SSE4(cpu_flags)) { if (bpp > 8) { dsp->limiter = ff_limiter_16bit_sse4; } } } | 22,501 |
1 | void *virtqueue_pop(VirtQueue *vq, size_t sz) { unsigned int i, head, max; hwaddr desc_pa = vq->vring.desc; VirtIODevice *vdev = vq->vdev; VirtQueueElement *elem; unsigned out_num, in_num; hwaddr addr[VIRTQUEUE_MAX_SIZE]; struct iovec iov[VIRTQUEUE_MAX_SIZE]; VRingDesc desc; if (virtio_queue_empty(vq)) { return NULL; /* Needed after virtio_queue_empty(), see comment in * virtqueue_num_heads(). */ smp_rmb(); /* When we start there are none of either input nor output. */ out_num = in_num = 0; max = vq->vring.num; i = head = virtqueue_get_head(vq, vq->last_avail_idx++); if (virtio_vdev_has_feature(vdev, VIRTIO_RING_F_EVENT_IDX)) { vring_set_avail_event(vq, vq->last_avail_idx); vring_desc_read(vdev, &desc, desc_pa, i); if (desc.flags & VRING_DESC_F_INDIRECT) { if (desc.len % sizeof(VRingDesc)) { error_report("Invalid size for indirect buffer table"); /* loop over the indirect descriptor table */ max = desc.len / sizeof(VRingDesc); desc_pa = desc.addr; i = 0; vring_desc_read(vdev, &desc, desc_pa, i); /* Collect all the descriptors */ do { if (desc.flags & VRING_DESC_F_WRITE) { virtqueue_map_desc(&in_num, addr + out_num, iov + out_num, VIRTQUEUE_MAX_SIZE - out_num, true, desc.addr, desc.len); } else { if (in_num) { error_report("Incorrect order for descriptors"); virtqueue_map_desc(&out_num, addr, iov, VIRTQUEUE_MAX_SIZE, false, desc.addr, desc.len); /* If we've got too many, that implies a descriptor loop. */ if ((in_num + out_num) > max) { error_report("Looped descriptor"); } while ((i = virtqueue_read_next_desc(vdev, &desc, desc_pa, max)) != max); /* Now copy what we have collected and mapped */ elem = virtqueue_alloc_element(sz, out_num, in_num); elem->index = head; for (i = 0; i < out_num; i++) { elem->out_addr[i] = addr[i]; elem->out_sg[i] = iov[i]; for (i = 0; i < in_num; i++) { elem->in_addr[i] = addr[out_num + i]; elem->in_sg[i] = iov[out_num + i]; vq->inuse++; trace_virtqueue_pop(vq, elem, elem->in_num, elem->out_num); return elem; | 22,502 |
1 | static int img_open_password(BlockBackend *blk, const char *filename, int flags, bool quiet) { BlockDriverState *bs; char password[256]; bs = blk_bs(blk); if (bdrv_is_encrypted(bs) && bdrv_key_required(bs) && !(flags & BDRV_O_NO_IO)) { qprintf(quiet, "Disk image '%s' is encrypted.\n", filename); if (qemu_read_password(password, sizeof(password)) < 0) { error_report("No password given"); return -1; } if (bdrv_set_key(bs, password) < 0) { error_report("invalid password"); return -1; } } return 0; } | 22,504 |
1 | static void dump(unsigned char *buf,size_t len) { int i; for(i=0;i<len;i++) { if ((i&15)==0) printf("%04x ",i); printf("%02x ",buf[i]); if ((i&15)==15) printf("\n"); } printf("\n"); } | 22,505 |
1 | static int hls_decode_entry_wpp(AVCodecContext *avctxt, void *input_ctb_row, int job, int self_id) { HEVCContext *s1 = avctxt->priv_data, *s; HEVCLocalContext *lc; int ctb_size = 1<< s1->ps.sps->log2_ctb_size; int more_data = 1; int *ctb_row_p = input_ctb_row; int ctb_row = ctb_row_p[job]; int ctb_addr_rs = s1->sh.slice_ctb_addr_rs + ctb_row * ((s1->ps.sps->width + ctb_size - 1) >> s1->ps.sps->log2_ctb_size); int ctb_addr_ts = s1->ps.pps->ctb_addr_rs_to_ts[ctb_addr_rs]; int thread = ctb_row % s1->threads_number; int ret; s = s1->sList[self_id]; lc = s->HEVClc; if(ctb_row) { ret = init_get_bits8(&lc->gb, s->data + s->sh.offset[ctb_row - 1], s->sh.size[ctb_row - 1]); if (ret < 0) return ret; ff_init_cabac_decoder(&lc->cc, s->data + s->sh.offset[(ctb_row)-1], s->sh.size[ctb_row - 1]); } while(more_data && ctb_addr_ts < s->ps.sps->ctb_size) { int x_ctb = (ctb_addr_rs % s->ps.sps->ctb_width) << s->ps.sps->log2_ctb_size; int y_ctb = (ctb_addr_rs / s->ps.sps->ctb_width) << s->ps.sps->log2_ctb_size; hls_decode_neighbour(s, x_ctb, y_ctb, ctb_addr_ts); ff_thread_await_progress2(s->avctx, ctb_row, thread, SHIFT_CTB_WPP); if (avpriv_atomic_int_get(&s1->wpp_err)){ ff_thread_report_progress2(s->avctx, ctb_row , thread, SHIFT_CTB_WPP); return 0; } ff_hevc_cabac_init(s, ctb_addr_ts); hls_sao_param(s, x_ctb >> s->ps.sps->log2_ctb_size, y_ctb >> s->ps.sps->log2_ctb_size); more_data = hls_coding_quadtree(s, x_ctb, y_ctb, s->ps.sps->log2_ctb_size, 0); if (more_data < 0) { s->tab_slice_address[ctb_addr_rs] = -1; return more_data; } ctb_addr_ts++; ff_hevc_save_states(s, ctb_addr_ts); ff_thread_report_progress2(s->avctx, ctb_row, thread, 1); ff_hevc_hls_filters(s, x_ctb, y_ctb, ctb_size); if (!more_data && (x_ctb+ctb_size) < s->ps.sps->width && ctb_row != s->sh.num_entry_point_offsets) { return 0; } if ((x_ctb+ctb_size) >= s->ps.sps->width && (y_ctb+ctb_size) >= s->ps.sps->height ) { ff_hevc_hls_filter(s, x_ctb, y_ctb, ctb_size); ff_thread_report_progress2(s->avctx, ctb_row , thread, SHIFT_CTB_WPP); return ctb_addr_ts; } ctb_addr_rs = s->ps.pps->ctb_addr_ts_to_rs[ctb_addr_ts]; x_ctb+=ctb_size; if(x_ctb >= s->ps.sps->width) { break; } } return 0; } | 22,506 |
1 | static int mpegts_raw_read_packet(AVFormatContext *s, AVPacket *pkt) { MpegTSContext *ts = s->priv_data; int ret, i; int64_t pcr_h, next_pcr_h, pos; int pcr_l, next_pcr_l; uint8_t pcr_buf[12]; uint8_t *data; if (av_new_packet(pkt, TS_PACKET_SIZE) < 0) return AVERROR(ENOMEM); pkt->pos= avio_tell(s->pb); ret = read_packet(s, pkt->data, ts->raw_packet_size, &data); if (ret < 0) { av_free_packet(pkt); return ret; } if (data != pkt->data) memcpy(pkt->data, data, ts->raw_packet_size); finished_reading_packet(s, ts->raw_packet_size); if (ts->mpeg2ts_compute_pcr) { /* compute exact PCR for each packet */ if (parse_pcr(&pcr_h, &pcr_l, pkt->data) == 0) { /* we read the next PCR (XXX: optimize it by using a bigger buffer */ pos = avio_tell(s->pb); for(i = 0; i < MAX_PACKET_READAHEAD; i++) { avio_seek(s->pb, pos + i * ts->raw_packet_size, SEEK_SET); avio_read(s->pb, pcr_buf, 12); if (parse_pcr(&next_pcr_h, &next_pcr_l, pcr_buf) == 0) { /* XXX: not precise enough */ ts->pcr_incr = ((next_pcr_h - pcr_h) * 300 + (next_pcr_l - pcr_l)) / (i + 1); break; } } avio_seek(s->pb, pos, SEEK_SET); /* no next PCR found: we use previous increment */ ts->cur_pcr = pcr_h * 300 + pcr_l; } pkt->pts = ts->cur_pcr; pkt->duration = ts->pcr_incr; ts->cur_pcr += ts->pcr_incr; } pkt->stream_index = 0; return 0; } | 22,508 |
1 | static inline void RENAME(rgb24tobgr16)(const uint8_t *src, uint8_t *dst, int src_size) { const uint8_t *s = src; const uint8_t *end; const uint8_t *mm_end; uint16_t *d = (uint16_t *)dst; end = s + src_size; __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); __asm__ volatile( "movq %0, %%mm7 \n\t" "movq %1, %%mm6 \n\t" ::"m"(red_16mask),"m"(green_16mask)); mm_end = end - 11; while (s < mm_end) { __asm__ volatile( PREFETCH" 32%1 \n\t" "movd %1, %%mm0 \n\t" "movd 3%1, %%mm3 \n\t" "punpckldq 6%1, %%mm0 \n\t" "punpckldq 9%1, %%mm3 \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm0, %%mm2 \n\t" "movq %%mm3, %%mm4 \n\t" "movq %%mm3, %%mm5 \n\t" "psrlq $3, %%mm0 \n\t" "psrlq $3, %%mm3 \n\t" "pand %2, %%mm0 \n\t" "pand %2, %%mm3 \n\t" "psrlq $5, %%mm1 \n\t" "psrlq $5, %%mm4 \n\t" "pand %%mm6, %%mm1 \n\t" "pand %%mm6, %%mm4 \n\t" "psrlq $8, %%mm2 \n\t" "psrlq $8, %%mm5 \n\t" "pand %%mm7, %%mm2 \n\t" "pand %%mm7, %%mm5 \n\t" "por %%mm1, %%mm0 \n\t" "por %%mm4, %%mm3 \n\t" "por %%mm2, %%mm0 \n\t" "por %%mm5, %%mm3 \n\t" "psllq $16, %%mm3 \n\t" "por %%mm3, %%mm0 \n\t" MOVNTQ" %%mm0, %0 \n\t" :"=m"(*d):"m"(*s),"m"(blue_16mask):"memory"); d += 4; s += 12; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { const int b = *s++; const int g = *s++; const int r = *s++; *d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8); } } | 22,509 |
1 | static void gen_mfdcrx(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else if (unlikely(ctx->pr)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)]); /* Note: Rc update flag set leads to undefined state of Rc0 */ #endif } | 22,510 |
0 | static void png_save2(const char *filename, uint32_t *bitmap, int w, int h) { int x, y, v; FILE *f; char fname[40], fname2[40]; char command[1024]; snprintf(fname, 40, "%s.ppm", filename); f = fopen(fname, "w"); if (!f) { perror(fname); exit(1); } fprintf(f, "P6\n" "%d %d\n" "%d\n", w, h, 255); for(y = 0; y < h; y++) { for(x = 0; x < w; x++) { v = bitmap[y * w + x]; putc((v >> 16) & 0xff, f); putc((v >> 8) & 0xff, f); putc((v >> 0) & 0xff, f); } } fclose(f); snprintf(fname2, 40, "%s-a.pgm", filename); f = fopen(fname2, "w"); if (!f) { perror(fname2); exit(1); } fprintf(f, "P5\n" "%d %d\n" "%d\n", w, h, 255); for(y = 0; y < h; y++) { for(x = 0; x < w; x++) { v = bitmap[y * w + x]; putc((v >> 24) & 0xff, f); } } fclose(f); snprintf(command, 1024, "pnmtopng -alpha %s %s > %s.png 2> /dev/null", fname2, fname, filename); system(command); snprintf(command, 1024, "rm %s %s", fname, fname2); system(command); } | 22,512 |
0 | static int spdif_write_packet(struct AVFormatContext *s, AVPacket *pkt) { IEC61937Context *ctx = s->priv_data; int ret, padding; ctx->out_buf = pkt->data; ctx->out_bytes = pkt->size; ctx->length_code = FFALIGN(pkt->size, 2) << 3; ctx->use_preamble = 1; ctx->extra_bswap = 0; ret = ctx->header_info(s, pkt); if (ret < 0) return ret; if (!ctx->pkt_offset) return 0; padding = (ctx->pkt_offset - ctx->use_preamble * BURST_HEADER_SIZE - ctx->out_bytes) & ~1; if (padding < 0) { av_log(s, AV_LOG_ERROR, "bitrate is too high\n"); return AVERROR(EINVAL); } if (ctx->use_preamble) { put_le16(s->pb, SYNCWORD1); //Pa put_le16(s->pb, SYNCWORD2); //Pb put_le16(s->pb, ctx->data_type); //Pc put_le16(s->pb, ctx->length_code);//Pd } if (HAVE_BIGENDIAN ^ ctx->extra_bswap) { put_buffer(s->pb, ctx->out_buf, ctx->out_bytes & ~1); } else { av_fast_malloc(&ctx->buffer, &ctx->buffer_size, ctx->out_bytes + FF_INPUT_BUFFER_PADDING_SIZE); if (!ctx->buffer) return AVERROR(ENOMEM); ff_spdif_bswap_buf16((uint16_t *)ctx->buffer, (uint16_t *)ctx->out_buf, ctx->out_bytes >> 1); put_buffer(s->pb, ctx->buffer, ctx->out_bytes & ~1); } if (ctx->out_bytes & 1) put_be16(s->pb, ctx->out_buf[ctx->out_bytes - 1]); put_nbyte(s->pb, 0, padding); av_log(s, AV_LOG_DEBUG, "type=%x len=%i pkt_offset=%i\n", ctx->data_type, ctx->out_bytes, ctx->pkt_offset); put_flush_packet(s->pb); return 0; } | 22,513 |
0 | av_cold void ff_rl_init(RLTable *rl, uint8_t static_store[2][2 * MAX_RUN + MAX_LEVEL + 3]) { int8_t max_level[MAX_RUN + 1], max_run[MAX_LEVEL + 1]; uint8_t index_run[MAX_RUN + 1]; int last, run, level, start, end, i; /* If table is static, we can quit if rl->max_level[0] is not NULL */ if (static_store && rl->max_level[0]) return; /* compute max_level[], max_run[] and index_run[] */ for (last = 0; last < 2; last++) { if (last == 0) { start = 0; end = rl->last; } else { start = rl->last; end = rl->n; } memset(max_level, 0, MAX_RUN + 1); memset(max_run, 0, MAX_LEVEL + 1); memset(index_run, rl->n, MAX_RUN + 1); for (i = start; i < end; i++) { run = rl->table_run[i]; level = rl->table_level[i]; if (index_run[run] == rl->n) index_run[run] = i; if (level > max_level[run]) max_level[run] = level; if (run > max_run[level]) max_run[level] = run; } if (static_store) rl->max_level[last] = static_store[last]; else rl->max_level[last] = av_malloc(MAX_RUN + 1); memcpy(rl->max_level[last], max_level, MAX_RUN + 1); if (static_store) rl->max_run[last] = static_store[last] + MAX_RUN + 1; else rl->max_run[last] = av_malloc(MAX_LEVEL + 1); memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1); if (static_store) rl->index_run[last] = static_store[last] + MAX_RUN + MAX_LEVEL + 2; else rl->index_run[last] = av_malloc(MAX_RUN + 1); memcpy(rl->index_run[last], index_run, MAX_RUN + 1); } } | 22,514 |
1 | static void gen_slbie(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(ctx->pr)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); #endif } | 22,515 |
1 | static int usb_hid_handle_data(USBDevice *dev, USBPacket *p) { USBHIDState *s = (USBHIDState *)dev; int ret = 0; switch(p->pid) { case USB_TOKEN_IN: if (p->devep == 1) { int64_t curtime = qemu_get_clock_ns(vm_clock); if (!s->changed && (!s->idle || s->next_idle_clock - curtime > 0)) return USB_RET_NAK; usb_hid_set_next_idle(s, curtime); if (s->kind == USB_MOUSE || s->kind == USB_TABLET) { ret = usb_pointer_poll(s, p->data, p->len); } else if (s->kind == USB_KEYBOARD) { ret = usb_keyboard_poll(s, p->data, p->len); } s->changed = s->n > 0; } else { goto fail; } break; case USB_TOKEN_OUT: default: fail: ret = USB_RET_STALL; break; } return ret; } | 22,516 |
1 | int av_opencl_init(AVDictionary *options, AVOpenCLExternalEnv *ext_opencl_env) { int ret = 0; AVDictionaryEntry *opt_build_entry; AVDictionaryEntry *opt_platform_entry; AVDictionaryEntry *opt_device_entry; LOCK_OPENCL if (!gpu_env.init_count) { opt_platform_entry = av_dict_get(options, "platform_idx", NULL, 0); opt_device_entry = av_dict_get(options, "device_idx", NULL, 0); /* initialize devices, context, command_queue */ gpu_env.usr_spec_dev_info.platform_idx = -1; gpu_env.usr_spec_dev_info.dev_idx = -1; if (opt_platform_entry) { gpu_env.usr_spec_dev_info.platform_idx = strtol(opt_platform_entry->value, NULL, 10); } if (opt_device_entry) { gpu_env.usr_spec_dev_info.dev_idx = strtol(opt_device_entry->value, NULL, 10); } ret = init_opencl_env(&gpu_env, ext_opencl_env); if (ret < 0) goto end; } /*initialize program, kernel_name, kernel_count*/ opt_build_entry = av_dict_get(options, "build_options", NULL, 0); if (opt_build_entry) ret = compile_kernel_file(&gpu_env, opt_build_entry->value); else ret = compile_kernel_file(&gpu_env, NULL); if (ret < 0) goto end; av_assert1(gpu_env.kernel_code_count > 0); gpu_env.init_count++; end: UNLOCK_OPENCL return ret; } | 22,517 |
1 | static int msf_read_header(AVFormatContext *s) { unsigned codec, align, size; AVStream *st; avio_skip(s->pb, 4); st = avformat_new_stream(s, NULL); if (!st) return AVERROR(ENOMEM); st->codec->codec_type = AVMEDIA_TYPE_AUDIO; codec = avio_rb32(s->pb); st->codec->channels = avio_rb32(s->pb); if (st->codec->channels <= 0) return AVERROR_INVALIDDATA; size = avio_rb32(s->pb); st->codec->sample_rate = avio_rb32(s->pb); if (st->codec->sample_rate <= 0) return AVERROR_INVALIDDATA; align = avio_rb32(s->pb) ; if (align > INT_MAX / st->codec->channels) return AVERROR_INVALIDDATA; st->codec->block_align = align; switch (codec) { case 0: st->codec->codec_id = AV_CODEC_ID_PCM_S16BE; break; case 3: st->codec->block_align = 16 * st->codec->channels; st->codec->codec_id = AV_CODEC_ID_ADPCM_PSX; break; case 7: st->need_parsing = AVSTREAM_PARSE_FULL_RAW; st->codec->codec_id = AV_CODEC_ID_MP3; break; default: avpriv_request_sample(s, "Codec %d", codec); return AVERROR_PATCHWELCOME; } st->duration = av_get_audio_frame_duration(st->codec, size); avio_skip(s->pb, 0x40 - avio_tell(s->pb)); avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate); return 0; } | 22,518 |
1 | void dump_exec_info(FILE *f, fprintf_function cpu_fprintf) { int i, target_code_size, max_target_code_size; int direct_jmp_count, direct_jmp2_count, cross_page; TranslationBlock *tb; target_code_size = 0; max_target_code_size = 0; cross_page = 0; direct_jmp_count = 0; direct_jmp2_count = 0; for (i = 0; i < tcg_ctx.tb_ctx.nb_tbs; i++) { tb = &tcg_ctx.tb_ctx.tbs[i]; target_code_size += tb->size; if (tb->size > max_target_code_size) { max_target_code_size = tb->size; } if (tb->page_addr[1] != -1) { cross_page++; } if (tb->tb_next_offset[0] != 0xffff) { direct_jmp_count++; if (tb->tb_next_offset[1] != 0xffff) { direct_jmp2_count++; } } } /* XXX: avoid using doubles ? */ cpu_fprintf(f, "Translation buffer state:\n"); cpu_fprintf(f, "gen code size %td/%zd\n", tcg_ctx.code_gen_ptr - tcg_ctx.code_gen_buffer, tcg_ctx.code_gen_buffer_max_size); cpu_fprintf(f, "TB count %d/%d\n", tcg_ctx.tb_ctx.nb_tbs, tcg_ctx.code_gen_max_blocks); cpu_fprintf(f, "TB avg target size %d max=%d bytes\n", tcg_ctx.tb_ctx.nb_tbs ? target_code_size / tcg_ctx.tb_ctx.nb_tbs : 0, max_target_code_size); cpu_fprintf(f, "TB avg host size %td bytes (expansion ratio: %0.1f)\n", tcg_ctx.tb_ctx.nb_tbs ? (tcg_ctx.code_gen_ptr - tcg_ctx.code_gen_buffer) / tcg_ctx.tb_ctx.nb_tbs : 0, target_code_size ? (double) (tcg_ctx.code_gen_ptr - tcg_ctx.code_gen_buffer) / target_code_size : 0); cpu_fprintf(f, "cross page TB count %d (%d%%)\n", cross_page, tcg_ctx.tb_ctx.nb_tbs ? (cross_page * 100) / tcg_ctx.tb_ctx.nb_tbs : 0); cpu_fprintf(f, "direct jump count %d (%d%%) (2 jumps=%d %d%%)\n", direct_jmp_count, tcg_ctx.tb_ctx.nb_tbs ? (direct_jmp_count * 100) / tcg_ctx.tb_ctx.nb_tbs : 0, direct_jmp2_count, tcg_ctx.tb_ctx.nb_tbs ? (direct_jmp2_count * 100) / tcg_ctx.tb_ctx.nb_tbs : 0); cpu_fprintf(f, "\nStatistics:\n"); cpu_fprintf(f, "TB flush count %d\n", tcg_ctx.tb_ctx.tb_flush_count); cpu_fprintf(f, "TB invalidate count %d\n", tcg_ctx.tb_ctx.tb_phys_invalidate_count); cpu_fprintf(f, "TLB flush count %d\n", tlb_flush_count); tcg_dump_info(f, cpu_fprintf); } | 22,519 |
1 | static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req) { uint32_t rca = 0x0000; uint64_t addr = (sd->ocr & (1 << 30)) ? (uint64_t) req.arg << 9 : req.arg; if (sd_cmd_type[req.cmd] == sd_ac || sd_cmd_type[req.cmd] == sd_adtc) rca = req.arg >> 16; DPRINTF("CMD%d 0x%08x state %d\n", req.cmd, req.arg, sd->state); switch (req.cmd) { /* Basic commands (Class 0 and Class 1) */ case 0: /* CMD0: GO_IDLE_STATE */ switch (sd->state) { case sd_inactive_state: return sd->spi ? sd_r1 : sd_r0; default: sd->state = sd_idle_state; sd_reset(sd, sd->bdrv); return sd->spi ? sd_r1 : sd_r0; } break; case 1: /* CMD1: SEND_OP_CMD */ if (!sd->spi) goto bad_cmd; sd->state = sd_transfer_state; return sd_r1; case 2: /* CMD2: ALL_SEND_CID */ if (sd->spi) goto bad_cmd; switch (sd->state) { case sd_ready_state: sd->state = sd_identification_state; return sd_r2_i; default: break; } break; case 3: /* CMD3: SEND_RELATIVE_ADDR */ if (sd->spi) goto bad_cmd; switch (sd->state) { case sd_identification_state: case sd_standby_state: sd->state = sd_standby_state; sd_set_rca(sd); return sd_r6; default: break; } break; case 4: /* CMD4: SEND_DSR */ if (sd->spi) goto bad_cmd; switch (sd->state) { case sd_standby_state: break; default: break; } break; case 5: /* CMD5: reserved for SDIO cards */ case 6: /* CMD6: SWITCH_FUNCTION */ if (sd->spi) goto bad_cmd; switch (sd->mode) { case sd_data_transfer_mode: sd_function_switch(sd, req.arg); sd->state = sd_sendingdata_state; sd->data_start = 0; sd->data_offset = 0; return sd_r1; default: break; } break; case 7: /* CMD7: SELECT/DESELECT_CARD */ if (sd->spi) goto bad_cmd; switch (sd->state) { case sd_standby_state: if (sd->rca != rca) sd->state = sd_transfer_state; return sd_r1b; case sd_transfer_state: case sd_sendingdata_state: if (sd->rca == rca) break; sd->state = sd_standby_state; return sd_r1b; case sd_disconnect_state: if (sd->rca != rca) sd->state = sd_programming_state; return sd_r1b; case sd_programming_state: if (sd->rca == rca) break; sd->state = sd_disconnect_state; return sd_r1b; default: break; } break; case 8: /* CMD8: SEND_IF_COND */ /* Physical Layer Specification Version 2.00 command */ switch (sd->state) { case sd_idle_state: sd->vhs = 0; /* No response if not exactly one VHS bit is set. */ if (!(req.arg >> 8) || (req.arg >> ffs(req.arg & ~0xff))) return sd->spi ? sd_r7 : sd_r0; /* Accept. */ sd->vhs = req.arg; return sd_r7; default: break; } break; case 9: /* CMD9: SEND_CSD */ switch (sd->state) { case sd_standby_state: if (sd->rca != rca) return sd_r2_s; case sd_transfer_state: if (!sd->spi) break; sd->state = sd_sendingdata_state; memcpy(sd->data, sd->csd, 16); sd->data_start = addr; sd->data_offset = 0; return sd_r1; default: break; } break; case 10: /* CMD10: SEND_CID */ switch (sd->state) { case sd_standby_state: if (sd->rca != rca) return sd_r2_i; case sd_transfer_state: if (!sd->spi) break; sd->state = sd_sendingdata_state; memcpy(sd->data, sd->cid, 16); sd->data_start = addr; sd->data_offset = 0; return sd_r1; default: break; } break; case 11: /* CMD11: READ_DAT_UNTIL_STOP */ if (sd->spi) goto bad_cmd; switch (sd->state) { case sd_transfer_state: sd->state = sd_sendingdata_state; sd->data_start = req.arg; sd->data_offset = 0; if (sd->data_start + sd->blk_len > sd->size) sd->card_status |= ADDRESS_ERROR; default: break; } break; case 12: /* CMD12: STOP_TRANSMISSION */ switch (sd->state) { case sd_sendingdata_state: sd->state = sd_transfer_state; return sd_r1b; case sd_receivingdata_state: sd->state = sd_programming_state; /* Bzzzzzzztt .... Operation complete. */ sd->state = sd_transfer_state; return sd_r1b; default: break; } break; case 13: /* CMD13: SEND_STATUS */ switch (sd->mode) { case sd_data_transfer_mode: if (sd->rca != rca) return sd_r1; default: break; } break; case 15: /* CMD15: GO_INACTIVE_STATE */ if (sd->spi) goto bad_cmd; switch (sd->mode) { case sd_data_transfer_mode: if (sd->rca != rca) sd->state = sd_inactive_state; default: break; } break; /* Block read commands (Classs 2) */ case 16: /* CMD16: SET_BLOCKLEN */ switch (sd->state) { case sd_transfer_state: if (req.arg > (1 << HWBLOCK_SHIFT)) sd->card_status |= BLOCK_LEN_ERROR; else sd->blk_len = req.arg; return sd_r1; default: break; } break; case 17: /* CMD17: READ_SINGLE_BLOCK */ switch (sd->state) { case sd_transfer_state: sd->state = sd_sendingdata_state; sd->data_start = addr; sd->data_offset = 0; if (sd->data_start + sd->blk_len > sd->size) sd->card_status |= ADDRESS_ERROR; return sd_r1; default: break; } break; case 18: /* CMD18: READ_MULTIPLE_BLOCK */ switch (sd->state) { case sd_transfer_state: sd->state = sd_sendingdata_state; sd->data_start = addr; sd->data_offset = 0; if (sd->data_start + sd->blk_len > sd->size) sd->card_status |= ADDRESS_ERROR; return sd_r1; default: break; } break; /* Block write commands (Class 4) */ case 24: /* CMD24: WRITE_SINGLE_BLOCK */ if (sd->spi) goto unimplemented_cmd; switch (sd->state) { case sd_transfer_state: /* Writing in SPI mode not implemented. */ if (sd->spi) break; sd->state = sd_receivingdata_state; sd->data_start = addr; sd->data_offset = 0; sd->blk_written = 0; if (sd->data_start + sd->blk_len > sd->size) sd->card_status |= ADDRESS_ERROR; if (sd_wp_addr(sd, sd->data_start)) sd->card_status |= WP_VIOLATION; if (sd->csd[14] & 0x30) sd->card_status |= WP_VIOLATION; return sd_r1; default: break; } break; case 25: /* CMD25: WRITE_MULTIPLE_BLOCK */ if (sd->spi) goto unimplemented_cmd; switch (sd->state) { case sd_transfer_state: /* Writing in SPI mode not implemented. */ if (sd->spi) break; sd->state = sd_receivingdata_state; sd->data_start = addr; sd->data_offset = 0; sd->blk_written = 0; if (sd->data_start + sd->blk_len > sd->size) sd->card_status |= ADDRESS_ERROR; if (sd_wp_addr(sd, sd->data_start)) sd->card_status |= WP_VIOLATION; if (sd->csd[14] & 0x30) sd->card_status |= WP_VIOLATION; return sd_r1; default: break; } break; case 26: /* CMD26: PROGRAM_CID */ if (sd->spi) goto bad_cmd; switch (sd->state) { case sd_transfer_state: sd->state = sd_receivingdata_state; sd->data_start = 0; sd->data_offset = 0; return sd_r1; default: break; } break; case 27: /* CMD27: PROGRAM_CSD */ if (sd->spi) goto unimplemented_cmd; switch (sd->state) { case sd_transfer_state: sd->state = sd_receivingdata_state; sd->data_start = 0; sd->data_offset = 0; return sd_r1; default: break; } break; /* Write protection (Class 6) */ case 28: /* CMD28: SET_WRITE_PROT */ switch (sd->state) { case sd_transfer_state: if (addr >= sd->size) { sd->card_status = ADDRESS_ERROR; return sd_r1b; } sd->state = sd_programming_state; sd->wp_groups[addr >> (HWBLOCK_SHIFT + SECTOR_SHIFT + WPGROUP_SHIFT)] = 1; /* Bzzzzzzztt .... Operation complete. */ sd->state = sd_transfer_state; return sd_r1b; default: break; } break; case 29: /* CMD29: CLR_WRITE_PROT */ switch (sd->state) { case sd_transfer_state: if (addr >= sd->size) { sd->card_status = ADDRESS_ERROR; return sd_r1b; } sd->state = sd_programming_state; sd->wp_groups[addr >> (HWBLOCK_SHIFT + SECTOR_SHIFT + WPGROUP_SHIFT)] = 0; /* Bzzzzzzztt .... Operation complete. */ sd->state = sd_transfer_state; return sd_r1b; default: break; } break; case 30: /* CMD30: SEND_WRITE_PROT */ switch (sd->state) { case sd_transfer_state: sd->state = sd_sendingdata_state; *(uint32_t *) sd->data = sd_wpbits(sd, req.arg); sd->data_start = addr; sd->data_offset = 0; return sd_r1b; default: break; } break; /* Erase commands (Class 5) */ case 32: /* CMD32: ERASE_WR_BLK_START */ switch (sd->state) { case sd_transfer_state: sd->erase_start = req.arg; return sd_r1; default: break; } break; case 33: /* CMD33: ERASE_WR_BLK_END */ switch (sd->state) { case sd_transfer_state: sd->erase_end = req.arg; return sd_r1; default: break; } break; case 38: /* CMD38: ERASE */ switch (sd->state) { case sd_transfer_state: if (sd->csd[14] & 0x30) { sd->card_status |= WP_VIOLATION; return sd_r1b; } sd->state = sd_programming_state; sd_erase(sd); /* Bzzzzzzztt .... Operation complete. */ sd->state = sd_transfer_state; return sd_r1b; default: break; } break; /* Lock card commands (Class 7) */ case 42: /* CMD42: LOCK_UNLOCK */ if (sd->spi) goto unimplemented_cmd; switch (sd->state) { case sd_transfer_state: sd->state = sd_receivingdata_state; sd->data_start = 0; sd->data_offset = 0; return sd_r1; default: break; } break; /* Application specific commands (Class 8) */ case 55: /* CMD55: APP_CMD */ if (sd->rca != rca) sd->card_status |= APP_CMD; return sd_r1; case 56: /* CMD56: GEN_CMD */ fprintf(stderr, "SD: GEN_CMD 0x%08x\n", req.arg); switch (sd->state) { case sd_transfer_state: sd->data_offset = 0; if (req.arg & 1) sd->state = sd_sendingdata_state; else sd->state = sd_receivingdata_state; return sd_r1; default: break; } break; default: bad_cmd: fprintf(stderr, "SD: Unknown CMD%i\n", req.cmd); unimplemented_cmd: /* Commands that are recognised but not yet implemented in SPI mode. */ fprintf(stderr, "SD: CMD%i not implemented in SPI mode\n", req.cmd); } fprintf(stderr, "SD: CMD%i in a wrong state\n", req.cmd); } | 22,520 |
0 | static int32_t tag_tree_size(uint16_t w, uint16_t h) { uint32_t res = 0; while (w > 1 || h > 1) { res += w * h; if (res + 1 >= INT32_MAX) return -1; w = (w + 1) >> 1; h = (h + 1) >> 1; } return (int32_t)(res + 1); } | 22,521 |
0 | static int mov_write_packet(AVFormatContext *s, AVPacket *pkt) { MOVContext *mov = s->priv_data; ByteIOContext *pb = s->pb; MOVTrack *trk = &mov->tracks[pkt->stream_index]; AVCodecContext *enc = trk->enc; unsigned int samplesInChunk = 0; int size= pkt->size; if (url_is_streamed(s->pb)) return 0; /* Can't handle that */ if (!size) return 0; /* Discard 0 sized packets */ if (enc->codec_id == CODEC_ID_AMR_NB) { /* We must find out how many AMR blocks there are in one packet */ static uint16_t packed_size[16] = {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0}; int len = 0; while (len < size && samplesInChunk < 100) { len += packed_size[(pkt->data[len] >> 3) & 0x0F]; samplesInChunk++; } if(samplesInChunk > 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 (trk->sampleSize) samplesInChunk = size/trk->sampleSize; else samplesInChunk = 1; /* copy extradata if it exists */ if (trk->vosLen == 0 && enc->extradata_size > 0) { trk->vosLen = enc->extradata_size; trk->vosData = av_malloc(trk->vosLen); memcpy(trk->vosData, enc->extradata, trk->vosLen); } if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) { /* from x264 or from bytestream h264 */ /* nal reformating needed */ int ret = ff_avc_parse_nal_units(pkt->data, &pkt->data, &pkt->size); if (ret < 0) return ret; assert(pkt->size); size = pkt->size; } else if (enc->codec_id == CODEC_ID_DNXHD && !trk->vosLen) { /* copy frame header to create needed atoms */ if (size < 640) return -1; trk->vosLen = 640; trk->vosData = av_malloc(trk->vosLen); memcpy(trk->vosData, pkt->data, 640); } if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) { trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster)); if (!trk->cluster) return -1; } trk->cluster[trk->entry].pos = url_ftell(pb); trk->cluster[trk->entry].samplesInChunk = samplesInChunk; trk->cluster[trk->entry].size = size; trk->cluster[trk->entry].entries = samplesInChunk; trk->cluster[trk->entry].dts = pkt->dts; trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration; if(enc->codec_type == CODEC_TYPE_VIDEO) { if (pkt->dts != pkt->pts) trk->hasBframes = 1; trk->cluster[trk->entry].cts = pkt->pts - pkt->dts; trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY); if(trk->cluster[trk->entry].key_frame) trk->hasKeyframes++; } trk->entry++; trk->sampleCount += samplesInChunk; mov->mdat_size += size; put_buffer(pb, pkt->data, size); put_flush_packet(pb); return 0; } | 22,522 |
0 | static inline void RENAME(rgb24tobgr24)(const uint8_t *src, uint8_t *dst, long src_size) { unsigned i; #if COMPILE_TEMPLATE_MMX x86_reg mmx_size= 23 - src_size; __asm__ volatile ( "test %%"REG_a", %%"REG_a" \n\t" "jns 2f \n\t" "movq "MANGLE(mask24r)", %%mm5 \n\t" "movq "MANGLE(mask24g)", %%mm6 \n\t" "movq "MANGLE(mask24b)", %%mm7 \n\t" ".p2align 4 \n\t" "1: \n\t" PREFETCH" 32(%1, %%"REG_a") \n\t" "movq (%1, %%"REG_a"), %%mm0 \n\t" // BGR BGR BG "movq (%1, %%"REG_a"), %%mm1 \n\t" // BGR BGR BG "movq 2(%1, %%"REG_a"), %%mm2 \n\t" // R BGR BGR B "psllq $16, %%mm0 \n\t" // 00 BGR BGR "pand %%mm5, %%mm0 \n\t" "pand %%mm6, %%mm1 \n\t" "pand %%mm7, %%mm2 \n\t" "por %%mm0, %%mm1 \n\t" "por %%mm2, %%mm1 \n\t" "movq 6(%1, %%"REG_a"), %%mm0 \n\t" // BGR BGR BG MOVNTQ" %%mm1, (%2, %%"REG_a") \n\t" // RGB RGB RG "movq 8(%1, %%"REG_a"), %%mm1 \n\t" // R BGR BGR B "movq 10(%1, %%"REG_a"), %%mm2 \n\t" // GR BGR BGR "pand %%mm7, %%mm0 \n\t" "pand %%mm5, %%mm1 \n\t" "pand %%mm6, %%mm2 \n\t" "por %%mm0, %%mm1 \n\t" "por %%mm2, %%mm1 \n\t" "movq 14(%1, %%"REG_a"), %%mm0 \n\t" // R BGR BGR B MOVNTQ" %%mm1, 8(%2, %%"REG_a") \n\t" // B RGB RGB R "movq 16(%1, %%"REG_a"), %%mm1 \n\t" // GR BGR BGR "movq 18(%1, %%"REG_a"), %%mm2 \n\t" // BGR BGR BG "pand %%mm6, %%mm0 \n\t" "pand %%mm7, %%mm1 \n\t" "pand %%mm5, %%mm2 \n\t" "por %%mm0, %%mm1 \n\t" "por %%mm2, %%mm1 \n\t" MOVNTQ" %%mm1, 16(%2, %%"REG_a") \n\t" "add $24, %%"REG_a" \n\t" " js 1b \n\t" "2: \n\t" : "+a" (mmx_size) : "r" (src-mmx_size), "r"(dst-mmx_size) ); __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); if (mmx_size==23) return; //finished, was multiple of 8 src+= src_size; dst+= src_size; src_size= 23-mmx_size; src-= src_size; dst-= src_size; #endif for (i=0; i<src_size; i+=3) { register uint8_t x; x = src[i + 2]; dst[i + 1] = src[i + 1]; dst[i + 2] = src[i + 0]; dst[i + 0] = x; } } | 22,523 |
0 | static inline void mix_2f_2r_to_mono(AC3DecodeContext *ctx) { int i; float (*output)[256] = ctx->audio_block.block_output; for (i = 0; i < 256; i++) output[1][i] = (output[2][i] + output[3][i] + output[4][i]); memset(output[2], 0, sizeof(output[2])); memset(output[3], 0, sizeof(output[3])); memset(output[4], 0, sizeof(output[4])); } | 22,524 |
1 | void OPPROTO op_405_check_ov (void) { do_405_check_ov(); RETURN(); } | 22,525 |
1 | static void put_int32(QEMUFile *f, void *pv, size_t size) { int32_t *v = pv; qemu_put_sbe32s(f, v); } | 22,526 |
1 | static ExitStatus trans_fop_wew_0c(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned ra = extract32(insn, 21, 5); return do_fop_wew(ctx, rt, ra, di->f_wew); } | 22,527 |
1 | static void ebml_free(EbmlSyntax *syntax, void *data) { int i, j; for (i = 0; syntax[i].id; i++) { void *data_off = (char *) data + syntax[i].data_offset; switch (syntax[i].type) { case EBML_STR: case EBML_UTF8: av_freep(data_off); break; case EBML_BIN: av_freep(&((EbmlBin *) data_off)->data); break; case EBML_LEVEL1: case EBML_NEST: if (syntax[i].list_elem_size) { EbmlList *list = data_off; char *ptr = list->elem; for (j = 0; j < list->nb_elem; j++, ptr += syntax[i].list_elem_size) ebml_free(syntax[i].def.n, ptr); av_freep(&list->elem); } else ebml_free(syntax[i].def.n, data_off); default: break; } } } | 22,528 |
1 | static int common_bind(struct common *c) { uint64_t mfn; if (xenstore_read_fe_uint64(&c->xendev, "page-ref", &mfn) == -1) return -1; assert(mfn == (xen_pfn_t)mfn); if (xenstore_read_fe_int(&c->xendev, "event-channel", &c->xendev.remote_port) == -1) return -1; c->page = xc_map_foreign_range(xen_xc, c->xendev.dom, XC_PAGE_SIZE, PROT_READ | PROT_WRITE, mfn); if (c->page == NULL) return -1; xen_be_bind_evtchn(&c->xendev); xen_be_printf(&c->xendev, 1, "ring mfn %"PRIx64", remote-port %d, local-port %d\n", mfn, c->xendev.remote_port, c->xendev.local_port); return 0; } | 22,529 |
1 | int av_thread_message_queue_alloc(AVThreadMessageQueue **mq, unsigned nelem, unsigned elsize) { #if HAVE_THREADS AVThreadMessageQueue *rmq; int ret = 0; if (nelem > INT_MAX / elsize) return AVERROR(EINVAL); if (!(rmq = av_mallocz(sizeof(*rmq)))) return AVERROR(ENOMEM); if ((ret = pthread_mutex_init(&rmq->lock, NULL))) { av_free(rmq); return AVERROR(ret); } if ((ret = pthread_cond_init(&rmq->cond, NULL))) { pthread_mutex_destroy(&rmq->lock); av_free(rmq); return AVERROR(ret); } if (!(rmq->fifo = av_fifo_alloc(elsize * nelem))) { pthread_cond_destroy(&rmq->cond); pthread_mutex_destroy(&rmq->lock); av_free(rmq); return AVERROR(ret); } rmq->elsize = elsize; *mq = rmq; return 0; #else *mq = NULL; return AVERROR(ENOSYS); #endif /* HAVE_THREADS */ } | 22,530 |
1 | static void xvid_idct_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block) { ff_xvid_idct(block); ff_put_pixels_clamped(block, dest, line_size); } | 22,532 |
1 | int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr) { int ret; int user_packet = !!avpkt->data; *got_packet_ptr = 0; if (!(avctx->codec->capabilities & CODEC_CAP_DELAY) && !frame) { av_free_packet(avpkt); av_init_packet(avpkt); avpkt->size = 0; return 0; } if (av_image_check_size(avctx->width, avctx->height, 0, avctx)) return AVERROR(EINVAL); av_assert0(avctx->codec->encode2); ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr); if (!ret) { if (!*got_packet_ptr) avpkt->size = 0; else if (!(avctx->codec->capabilities & CODEC_CAP_DELAY)) avpkt->pts = avpkt->dts = frame->pts; if (!user_packet && avpkt->data) { uint8_t *new_data = av_realloc(avpkt->data, avpkt->size); if (new_data) avpkt->data = new_data; } avctx->frame_number++; } if (ret < 0 || !*got_packet_ptr) av_free_packet(avpkt); emms_c(); return ret; } | 22,533 |
1 | static int get_str(ByteIOContext *bc, char *string, int maxlen){ int len= get_v(bc); if(len && maxlen) get_buffer(bc, string, FFMIN(len, maxlen)); while(len > maxlen){ get_byte(bc); len--; } if(maxlen) string[FFMIN(len, maxlen-1)]= 0; if(maxlen == len) return -1; else return 0; } | 22,535 |
1 | static int dvbsub_decode(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; DVBSubContext *ctx = avctx->priv_data; AVSubtitle *sub = data; const uint8_t *p, *p_end; int segment_type; int page_id; int segment_length; #ifdef DEBUG_PACKET_CONTENTS int i; av_log(avctx, AV_LOG_INFO, "DVB sub packet:\n"); for (i=0; i < buf_size; i++) { av_log(avctx, AV_LOG_INFO, "%02x ", buf[i]); if (i % 16 == 15) av_log(avctx, AV_LOG_INFO, "\n"); } if (i % 16) av_log(avctx, AV_LOG_INFO, "\n"); #endif if (buf_size <= 2 || *buf != 0x0f) return -1; p = buf; p_end = buf + buf_size; while (p < p_end && *p == 0x0f) { p += 1; segment_type = *p++; page_id = AV_RB16(p); p += 2; segment_length = AV_RB16(p); p += 2; if (page_id == ctx->composition_id || page_id == ctx->ancillary_id || ctx->composition_id == -1 || ctx->ancillary_id == -1) { switch (segment_type) { case DVBSUB_PAGE_SEGMENT: dvbsub_parse_page_segment(avctx, p, segment_length); break; case DVBSUB_REGION_SEGMENT: dvbsub_parse_region_segment(avctx, p, segment_length); break; case DVBSUB_CLUT_SEGMENT: dvbsub_parse_clut_segment(avctx, p, segment_length); break; case DVBSUB_OBJECT_SEGMENT: dvbsub_parse_object_segment(avctx, p, segment_length); break; case DVBSUB_DISPLAYDEFINITION_SEGMENT: dvbsub_parse_display_definition_segment(avctx, p, segment_length); case DVBSUB_DISPLAY_SEGMENT: *data_size = dvbsub_display_end_segment(avctx, p, segment_length, sub); break; default: av_dlog(avctx, "Subtitling segment type 0x%x, page id %d, length %d\n", segment_type, page_id, segment_length); break; } } p += segment_length; } return p - buf; } | 22,536 |
1 | static int tag_tree_decode(Jpeg2000DecoderContext *s, Jpeg2000TgtNode *node, int threshold) { Jpeg2000TgtNode *stack[30]; int sp = -1, curval = 0; while (node && !node->vis) { stack[++sp] = node; node = node->parent; } if (node) curval = node->val; else curval = stack[sp]->val; while (curval < threshold && sp >= 0) { if (curval < stack[sp]->val) curval = stack[sp]->val; while (curval < threshold) { int ret; if ((ret = get_bits(s, 1)) > 0) { stack[sp]->vis++; break; } else if (!ret) curval++; else return ret; } stack[sp]->val = curval; sp--; } return curval; } | 22,537 |
1 | static int output_configure(AACContext *ac, uint8_t layout_map[MAX_ELEM_ID * 4][3], int tags, enum OCStatus oc_type, int get_new_frame) { AVCodecContext *avctx = ac->avctx; int i, channels = 0, ret; uint64_t layout = 0; uint8_t id_map[TYPE_END][MAX_ELEM_ID] = {{ 0 }}; uint8_t type_counts[TYPE_END] = { 0 }; if (ac->oc[1].layout_map != layout_map) { memcpy(ac->oc[1].layout_map, layout_map, tags * sizeof(layout_map[0])); ac->oc[1].layout_map_tags = tags; for (i = 0; i < tags; i++) { int type = layout_map[i][0]; int id = layout_map[i][1]; id_map[type][id] = type_counts[type]++; // Try to sniff a reasonable channel order, otherwise output the // channels in the order the PCE declared them. if (avctx->request_channel_layout != AV_CH_LAYOUT_NATIVE) layout = sniff_channel_order(layout_map, tags); for (i = 0; i < tags; i++) { int type = layout_map[i][0]; int id = layout_map[i][1]; int iid = id_map[type][id]; int position = layout_map[i][2]; // Allocate or free elements depending on if they are in the // current program configuration. ret = che_configure(ac, position, type, iid, &channels); if (ret < 0) return ret; ac->tag_che_map[type][id] = ac->che[type][iid]; if (ac->oc[1].m4ac.ps == 1 && channels == 2) { if (layout == AV_CH_FRONT_CENTER) { layout = AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT; } else { layout = 0; if (layout) avctx->channel_layout = layout; ac->oc[1].channel_layout = layout; avctx->channels = ac->oc[1].channels = channels; ac->oc[1].status = oc_type; if (get_new_frame) { if ((ret = frame_configure_elements(ac->avctx)) < 0) return ret; return 0; | 22,538 |
0 | static int qemu_paio_submit(struct qemu_paiocb *aiocb, int type) { aiocb->aio_type = type; aiocb->ret = -EINPROGRESS; aiocb->active = 0; mutex_lock(&lock); if (idle_threads == 0 && cur_threads < max_threads) spawn_thread(); TAILQ_INSERT_TAIL(&request_list, aiocb, node); mutex_unlock(&lock); cond_signal(&cond); return 0; } | 22,539 |
0 | uint64_t helper_fnmadd(CPUPPCState *env, uint64_t arg1, uint64_t arg2, uint64_t arg3) { CPU_DoubleU farg1, farg2, farg3; farg1.ll = arg1; farg2.ll = arg2; farg3.ll = arg3; if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) || (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) { /* Multiplication of zero by infinity */ farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ); } else { if (unlikely(float64_is_signaling_nan(farg1.d) || float64_is_signaling_nan(farg2.d) || float64_is_signaling_nan(farg3.d))) { /* sNaN operation */ fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN); } /* This is the way the PowerPC specification defines it */ float128 ft0_128, ft1_128; ft0_128 = float64_to_float128(farg1.d, &env->fp_status); ft1_128 = float64_to_float128(farg2.d, &env->fp_status); ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status); if (unlikely(float128_is_infinity(ft0_128) && float64_is_infinity(farg3.d) && float128_is_neg(ft0_128) != float64_is_neg(farg3.d))) { /* Magnitude subtraction of infinities */ farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI); } else { ft1_128 = float64_to_float128(farg3.d, &env->fp_status); ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status); farg1.d = float128_to_float64(ft0_128, &env->fp_status); } if (likely(!float64_is_any_nan(farg1.d))) { farg1.d = float64_chs(farg1.d); } } return farg1.ll; } | 22,540 |
0 | static BlockAIOCB *bdrv_aio_writev_em(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, BlockCompletionFunc *cb, void *opaque) { return bdrv_aio_rw_vector(bs, sector_num, qiov, nb_sectors, cb, opaque, 1); } | 22,541 |
0 | static void attach_storage_element(SCLPDevice *sclp, SCCB *sccb, uint16_t element) { int i, assigned, subincrement_id; AttachStorageElement *attach_info = (AttachStorageElement *) sccb; sclpMemoryHotplugDev *mhd = get_sclp_memory_hotplug_dev(); assert(mhd); if (element != 1) { sccb->h.response_code = cpu_to_be16(SCLP_RC_INVALID_SCLP_COMMAND); return; } assigned = mhd->standby_mem_size >> mhd->increment_size; attach_info->assigned = cpu_to_be16(assigned); subincrement_id = ((ram_size >> mhd->increment_size) << 16) + SCLP_STARTING_SUBINCREMENT_ID; for (i = 0; i < assigned; i++) { attach_info->entries[i] = cpu_to_be32(subincrement_id); subincrement_id += SCLP_INCREMENT_UNIT; } sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_COMPLETION); } | 22,542 |
0 | static void kvmppc_pivot_hpt_cpu(CPUState *cs, run_on_cpu_data arg) { target_ulong sdr1 = arg.target_ptr; PowerPCCPU *cpu = POWERPC_CPU(cs); CPUPPCState *env = &cpu->env; /* This is just for the benefit of PR KVM */ cpu_synchronize_state(cs); env->spr[SPR_SDR1] = sdr1; if (kvmppc_put_books_sregs(cpu) < 0) { error_report("Unable to update SDR1 in KVM"); exit(1); } } | 22,543 |
0 | static int send_rect_simple(VncState *vs, int x, int y, int w, int h) { int max_size, max_width; int max_sub_width, max_sub_height; int dx, dy; int rw, rh; int n = 0; max_size = tight_conf[vs->tight_compression].max_rect_size; max_width = tight_conf[vs->tight_compression].max_rect_width; if (w > max_width || w * h > max_size) { max_sub_width = (w > max_width) ? max_width : w; max_sub_height = max_size / max_sub_width; for (dy = 0; dy < h; dy += max_sub_height) { for (dx = 0; dx < w; dx += max_width) { rw = MIN(max_sub_width, w - dx); rh = MIN(max_sub_height, h - dy); n += send_sub_rect(vs, x+dx, y+dy, rw, rh); } } } else { n += send_sub_rect(vs, x, y, w, h); } return n; } | 22,544 |
0 | static int decompress_i(AVCodecContext *avctx, uint32_t *dst, int linesize) { SCPRContext *s = avctx->priv_data; GetByteContext *gb = &s->gb; int cx = 0, cx1 = 0, k = 0, clr = 0; int run, r, g, b, off, y = 0, x = 0, ret; const int cxshift = s->cxshift; unsigned lx, ly, ptype; reinit_tables(s); bytestream2_skip(gb, 2); init_rangecoder(&s->rc, gb); while (k < avctx->width + 1) { ret = decode_unit(s, &s->pixel_model[0][cx + cx1], 400, &r); if (ret < 0) return ret; cx1 = (cx << 6) & 0xFC0; cx = r >> cxshift; ret = decode_unit(s, &s->pixel_model[1][cx + cx1], 400, &g); if (ret < 0) return ret; cx1 = (cx << 6) & 0xFC0; cx = g >> cxshift; ret = decode_unit(s, &s->pixel_model[2][cx + cx1], 400, &b); if (ret < 0) return ret; cx1 = (cx << 6) & 0xFC0; cx = b >> cxshift; ret = decode_value(s, s->run_model[0], 256, 400, &run); if (ret < 0) return ret; clr = (b << 16) + (g << 8) + r; k += run; while (run-- > 0) { dst[y * linesize + x] = clr; lx = x; ly = y; x++; if (x >= avctx->width) { x = 0; y++; } } } off = -linesize - 1; ptype = 0; while (x < avctx->width && y < avctx->height) { ret = decode_value(s, s->op_model[ptype], 6, 1000, &ptype); if (ret < 0) return ret; if (ptype == 0) { ret = decode_unit(s, &s->pixel_model[0][cx + cx1], 400, &r); if (ret < 0) return ret; cx1 = (cx << 6) & 0xFC0; cx = r >> cxshift; ret = decode_unit(s, &s->pixel_model[1][cx + cx1], 400, &g); if (ret < 0) return ret; cx1 = (cx << 6) & 0xFC0; cx = g >> cxshift; ret = decode_unit(s, &s->pixel_model[2][cx + cx1], 400, &b); if (ret < 0) return ret; cx1 = (cx << 6) & 0xFC0; cx = b >> cxshift; clr = (b << 16) + (g << 8) + r; } if (ptype > 5) return AVERROR_INVALIDDATA; ret = decode_value(s, s->run_model[ptype], 256, 400, &run); if (ret < 0) return ret; switch (ptype) { case 0: while (run-- > 0) { dst[y * linesize + x] = clr; lx = x; ly = y; x++; if (x >= avctx->width) { x = 0; y++; } } break; case 1: while (run-- > 0) { dst[y * linesize + x] = dst[ly * linesize + lx]; lx = x; ly = y; x++; if (x >= avctx->width) { x = 0; y++; } } clr = dst[ly * linesize + lx]; break; case 2: while (run-- > 0) { clr = dst[y * linesize + x + off + 1]; dst[y * linesize + x] = clr; lx = x; ly = y; x++; if (x >= avctx->width) { x = 0; y++; } } break; case 4: while (run-- > 0) { uint8_t *odst = (uint8_t *)dst; r = odst[(ly * linesize + lx) * 4] + odst[((y * linesize + x) + off) * 4 + 4] - odst[((y * linesize + x) + off) * 4]; g = odst[(ly * linesize + lx) * 4 + 1] + odst[((y * linesize + x) + off) * 4 + 5] - odst[((y * linesize + x) + off) * 4 + 1]; b = odst[(ly * linesize + lx) * 4 + 2] + odst[((y * linesize + x) + off) * 4 + 6] - odst[((y * linesize + x) + off) * 4 + 2]; clr = ((b & 0xFF) << 16) + ((g & 0xFF) << 8) + (r & 0xFF); dst[y * linesize + x] = clr; lx = x; ly = y; x++; if (x >= avctx->width) { x = 0; y++; } } break; case 5: while (run-- > 0) { clr = dst[y * linesize + x + off]; dst[y * linesize + x] = clr; lx = x; ly = y; x++; if (x >= avctx->width) { x = 0; y++; } } break; } if (avctx->bits_per_coded_sample == 16) { cx1 = (clr & 0xFF00) >> 2; cx = (clr & 0xFFFFFF) >> 16; } else { cx1 = (clr & 0xFC00) >> 4; cx = (clr & 0xFFFFFF) >> 18; } } return 0; } | 22,548 |
0 | static void gen_extu(int ot, TCGv reg) { switch(ot) { case OT_BYTE: tcg_gen_ext8u_tl(reg, reg); break; case OT_WORD: tcg_gen_ext16u_tl(reg, reg); break; case OT_LONG: tcg_gen_ext32u_tl(reg, reg); break; default: break; } } | 22,549 |
0 | ssize_t read_targphys(const char *name, int fd, target_phys_addr_t dst_addr, size_t nbytes) { uint8_t *buf; ssize_t did; buf = g_malloc(nbytes); did = read(fd, buf, nbytes); if (did > 0) rom_add_blob_fixed("read", buf, did, dst_addr); g_free(buf); return did; } | 22,550 |
0 | DeviceState *qdev_device_add(QemuOpts *opts) { DeviceClass *k; const char *driver, *path, *id; DeviceState *qdev; BusState *bus; driver = qemu_opt_get(opts, "driver"); if (!driver) { qerror_report(QERR_MISSING_PARAMETER, "driver"); return NULL; } /* find driver */ k = DEVICE_CLASS(object_class_by_name(driver)); /* find bus */ path = qemu_opt_get(opts, "bus"); if (path != NULL) { bus = qbus_find(path); if (!bus) { return NULL; } if (bus->info != k->bus_info) { qerror_report(QERR_BAD_BUS_FOR_DEVICE, driver, bus->info->name); return NULL; } } else { bus = qbus_find_recursive(main_system_bus, NULL, k->bus_info); if (!bus) { qerror_report(QERR_NO_BUS_FOR_DEVICE, driver, k->bus_info->name); return NULL; } } if (qdev_hotplug && !bus->allow_hotplug) { qerror_report(QERR_BUS_NO_HOTPLUG, bus->name); return NULL; } /* create device, set properties */ qdev = qdev_create_from_info(bus, driver); id = qemu_opts_id(opts); if (id) { qdev->id = id; qdev_property_add_child(qdev_get_peripheral(), qdev->id, qdev, NULL); } else { static int anon_count; gchar *name = g_strdup_printf("device[%d]", anon_count++); qdev_property_add_child(qdev_get_peripheral_anon(), name, qdev, NULL); g_free(name); } if (qemu_opt_foreach(opts, set_property, qdev, 1) != 0) { qdev_free(qdev); return NULL; } if (qdev_init(qdev) < 0) { qerror_report(QERR_DEVICE_INIT_FAILED, driver); return NULL; } qdev->opts = opts; return qdev; } | 22,551 |
0 | static void qdict_teardown(void) { QDECREF(tests_dict); tests_dict = NULL; } | 22,554 |
0 | static void tcg_out_brcond(TCGContext *s, TCGCond cond, TCGArg arg1, TCGArg arg2, int const_arg2, int label_index, TCGType type) { tcg_out_cmp(s, cond, arg1, arg2, const_arg2, 7, type); tcg_out_bc(s, tcg_to_bc[cond], label_index); } | 22,555 |
0 | static void qxl_track_command(PCIQXLDevice *qxl, struct QXLCommandExt *ext) { switch (le32_to_cpu(ext->cmd.type)) { case QXL_CMD_SURFACE: { QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); uint32_t id = le32_to_cpu(cmd->surface_id); PANIC_ON(id >= NUM_SURFACES); qemu_mutex_lock(&qxl->track_lock); if (cmd->type == QXL_SURFACE_CMD_CREATE) { qxl->guest_surfaces.cmds[id] = ext->cmd.data; qxl->guest_surfaces.count++; if (qxl->guest_surfaces.max < qxl->guest_surfaces.count) qxl->guest_surfaces.max = qxl->guest_surfaces.count; } if (cmd->type == QXL_SURFACE_CMD_DESTROY) { qxl->guest_surfaces.cmds[id] = 0; qxl->guest_surfaces.count--; } qemu_mutex_unlock(&qxl->track_lock); break; } case QXL_CMD_CURSOR: { QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); if (cmd->type == QXL_CURSOR_SET) { qemu_mutex_lock(&qxl->track_lock); qxl->guest_cursor = ext->cmd.data; qemu_mutex_unlock(&qxl->track_lock); } break; } } } | 22,556 |
0 | static void nvdimm_dsm_label_size(NVDIMMDevice *nvdimm, hwaddr dsm_mem_addr) { NvdimmFuncGetLabelSizeOut label_size_out = { .len = cpu_to_le32(sizeof(label_size_out)), }; uint32_t label_size, mxfer; label_size = nvdimm->label_size; mxfer = nvdimm_get_max_xfer_label_size(); nvdimm_debug("label_size %#x, max_xfer %#x.\n", label_size, mxfer); label_size_out.func_ret_status = cpu_to_le32(0 /* Success */); label_size_out.label_size = cpu_to_le32(label_size); label_size_out.max_xfer = cpu_to_le32(mxfer); cpu_physical_memory_write(dsm_mem_addr, &label_size_out, sizeof(label_size_out)); } | 22,557 |
0 | qemu_irq *armv7m_init(int flash_size, int sram_size, const char *kernel_filename, const char *cpu_model) { CPUState *env; DeviceState *nvic; /* FIXME: make this local state. */ static qemu_irq pic[64]; qemu_irq *cpu_pic; uint32_t pc; int image_size; uint64_t entry; uint64_t lowaddr; int i; flash_size *= 1024; sram_size *= 1024; if (!cpu_model) cpu_model = "cortex-m3"; env = cpu_init(cpu_model); if (!env) { fprintf(stderr, "Unable to find CPU definition\n"); exit(1); } #if 0 /* > 32Mb SRAM gets complicated because it overlaps the bitband area. We don't have proper commandline options, so allocate half of memory as SRAM, up to a maximum of 32Mb, and the rest as code. */ if (ram_size > (512 + 32) * 1024 * 1024) ram_size = (512 + 32) * 1024 * 1024; sram_size = (ram_size / 2) & TARGET_PAGE_MASK; if (sram_size > 32 * 1024 * 1024) sram_size = 32 * 1024 * 1024; code_size = ram_size - sram_size; #endif /* Flash programming is done via the SCU, so pretend it is ROM. */ cpu_register_physical_memory(0, flash_size, qemu_ram_alloc(flash_size) | IO_MEM_ROM); cpu_register_physical_memory(0x20000000, sram_size, qemu_ram_alloc(sram_size) | IO_MEM_RAM); armv7m_bitband_init(); nvic = qdev_create(NULL, "armv7m_nvic"); qdev_set_prop_ptr(nvic, "cpu", env); qdev_init(nvic); cpu_pic = arm_pic_init_cpu(env); sysbus_connect_irq(sysbus_from_qdev(nvic), 0, cpu_pic[ARM_PIC_CPU_IRQ]); for (i = 0; i < 64; i++) { pic[i] = qdev_get_gpio_in(nvic, i); } image_size = load_elf(kernel_filename, 0, &entry, &lowaddr, NULL); if (image_size < 0) { image_size = load_image_targphys(kernel_filename, 0, flash_size); lowaddr = 0; } if (image_size < 0) { fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename); exit(1); } /* If the image was loaded at address zero then assume it is a regular ROM image and perform the normal CPU reset sequence. Otherwise jump directly to the entry point. */ if (lowaddr == 0) { env->regs[13] = ldl_phys(0); pc = ldl_phys(4); } else { pc = entry; } env->thumb = pc & 1; env->regs[15] = pc & ~1; /* Hack to map an additional page of ram at the top of the address space. This stops qemu complaining about executing code outside RAM when returning from an exception. */ cpu_register_physical_memory(0xfffff000, 0x1000, qemu_ram_alloc(0x1000) | IO_MEM_RAM); return pic; } | 22,558 |
0 | int monitor_get_fd(Monitor *mon, const char *fdname) { mon_fd_t *monfd; LIST_FOREACH(monfd, &mon->fds, next) { int fd; if (strcmp(monfd->name, fdname) != 0) { continue; } fd = monfd->fd; /* caller takes ownership of fd */ LIST_REMOVE(monfd, next); qemu_free(monfd->name); qemu_free(monfd); return fd; } return -1; } | 22,560 |
0 | static int count_cow_clusters(BDRVQcow2State *s, int nb_clusters, uint64_t *l2_table, int l2_index) { int i; for (i = 0; i < nb_clusters; i++) { uint64_t l2_entry = be64_to_cpu(l2_table[l2_index + i]); QCow2ClusterType cluster_type = qcow2_get_cluster_type(l2_entry); switch(cluster_type) { case QCOW2_CLUSTER_NORMAL: if (l2_entry & QCOW_OFLAG_COPIED) { goto out; } break; case QCOW2_CLUSTER_UNALLOCATED: case QCOW2_CLUSTER_COMPRESSED: case QCOW2_CLUSTER_ZERO: break; default: abort(); } } out: assert(i <= nb_clusters); return i; } | 22,561 |
0 | VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus, ram_addr_t mem, int *vq_num) { BusChild *kid; int i; QTAILQ_FOREACH(kid, &bus->bus.children, sibling) { VirtIOS390Device *dev = (VirtIOS390Device *)kid->child; for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) { if (!virtio_queue_get_addr(dev->vdev, i)) break; if (virtio_queue_get_addr(dev->vdev, i) == mem) { if (vq_num) { *vq_num = i; } return dev; } } } return NULL; } | 22,562 |
0 | static inline int parse_nal_units(AVCodecParserContext *s, const uint8_t *buf, int buf_size, AVCodecContext *avctx) { HEVCParserContext *ctx = s->priv_data; HEVCContext *h = &ctx->h; GetBitContext *gb; SliceHeader *sh = &h->sh; HEVCParamSets *ps = &h->ps; HEVCSEIContext *sei = &h->sei; int is_global = buf == avctx->extradata; int i, ret; if (!h->HEVClc) h->HEVClc = av_mallocz(sizeof(HEVCLocalContext)); if (!h->HEVClc) return AVERROR(ENOMEM); gb = &h->HEVClc->gb; /* set some sane default values */ s->pict_type = AV_PICTURE_TYPE_I; s->key_frame = 0; s->picture_structure = AV_PICTURE_STRUCTURE_UNKNOWN; h->avctx = avctx; ff_hevc_reset_sei(sei); ret = ff_h2645_packet_split(&ctx->pkt, buf, buf_size, avctx, 0, 0, AV_CODEC_ID_HEVC, 1); if (ret < 0) return ret; for (i = 0; i < ctx->pkt.nb_nals; i++) { H2645NAL *nal = &ctx->pkt.nals[i]; int num = 0, den = 0; h->nal_unit_type = nal->type; h->temporal_id = nal->temporal_id; *gb = nal->gb; switch (h->nal_unit_type) { case HEVC_NAL_VPS: ff_hevc_decode_nal_vps(gb, avctx, ps); break; case HEVC_NAL_SPS: ff_hevc_decode_nal_sps(gb, avctx, ps, 1); break; case HEVC_NAL_PPS: ff_hevc_decode_nal_pps(gb, avctx, ps); break; case HEVC_NAL_SEI_PREFIX: case HEVC_NAL_SEI_SUFFIX: ff_hevc_decode_nal_sei(gb, avctx, sei, ps, h->nal_unit_type); break; case HEVC_NAL_TRAIL_N: case HEVC_NAL_TRAIL_R: case HEVC_NAL_TSA_N: case HEVC_NAL_TSA_R: case HEVC_NAL_STSA_N: case HEVC_NAL_STSA_R: case HEVC_NAL_RADL_N: case HEVC_NAL_RADL_R: case HEVC_NAL_RASL_N: case HEVC_NAL_RASL_R: case HEVC_NAL_BLA_W_LP: case HEVC_NAL_BLA_W_RADL: case HEVC_NAL_BLA_N_LP: case HEVC_NAL_IDR_W_RADL: case HEVC_NAL_IDR_N_LP: case HEVC_NAL_CRA_NUT: if (is_global) { av_log(avctx, AV_LOG_ERROR, "Invalid NAL unit: %d\n", h->nal_unit_type); return AVERROR_INVALIDDATA; } sh->first_slice_in_pic_flag = get_bits1(gb); s->picture_structure = h->sei.picture_timing.picture_struct; s->field_order = h->sei.picture_timing.picture_struct; if (IS_IRAP(h)) { s->key_frame = 1; sh->no_output_of_prior_pics_flag = get_bits1(gb); } sh->pps_id = get_ue_golomb(gb); if (sh->pps_id >= HEVC_MAX_PPS_COUNT || !ps->pps_list[sh->pps_id]) { av_log(avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", sh->pps_id); return AVERROR_INVALIDDATA; } ps->pps = (HEVCPPS*)ps->pps_list[sh->pps_id]->data; if (ps->pps->sps_id >= HEVC_MAX_SPS_COUNT || !ps->sps_list[ps->pps->sps_id]) { av_log(avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", ps->pps->sps_id); return AVERROR_INVALIDDATA; } if (ps->sps != (HEVCSPS*)ps->sps_list[ps->pps->sps_id]->data) { ps->sps = (HEVCSPS*)ps->sps_list[ps->pps->sps_id]->data; ps->vps = (HEVCVPS*)ps->vps_list[ps->sps->vps_id]->data; } s->coded_width = ps->sps->width; s->coded_height = ps->sps->height; s->width = ps->sps->output_width; s->height = ps->sps->output_height; s->format = ps->sps->pix_fmt; avctx->profile = ps->sps->ptl.general_ptl.profile_idc; avctx->level = ps->sps->ptl.general_ptl.level_idc; if (ps->vps->vps_timing_info_present_flag) { num = ps->vps->vps_num_units_in_tick; den = ps->vps->vps_time_scale; } else if (ps->sps->vui.vui_timing_info_present_flag) { num = ps->sps->vui.vui_num_units_in_tick; den = ps->sps->vui.vui_time_scale; } if (num != 0 && den != 0) av_reduce(&avctx->framerate.den, &avctx->framerate.num, num, den, 1 << 30); if (!sh->first_slice_in_pic_flag) { int slice_address_length; if (ps->pps->dependent_slice_segments_enabled_flag) sh->dependent_slice_segment_flag = get_bits1(gb); else sh->dependent_slice_segment_flag = 0; slice_address_length = av_ceil_log2_c(ps->sps->ctb_width * ps->sps->ctb_height); sh->slice_segment_addr = get_bitsz(gb, slice_address_length); if (sh->slice_segment_addr >= ps->sps->ctb_width * ps->sps->ctb_height) { av_log(avctx, AV_LOG_ERROR, "Invalid slice segment address: %u.\n", sh->slice_segment_addr); return AVERROR_INVALIDDATA; } } else sh->dependent_slice_segment_flag = 0; if (sh->dependent_slice_segment_flag) break; for (i = 0; i < ps->pps->num_extra_slice_header_bits; i++) skip_bits(gb, 1); // slice_reserved_undetermined_flag[] sh->slice_type = get_ue_golomb(gb); if (!(sh->slice_type == HEVC_SLICE_I || sh->slice_type == HEVC_SLICE_P || sh->slice_type == HEVC_SLICE_B)) { av_log(avctx, AV_LOG_ERROR, "Unknown slice type: %d.\n", sh->slice_type); return AVERROR_INVALIDDATA; } s->pict_type = sh->slice_type == HEVC_SLICE_B ? AV_PICTURE_TYPE_B : sh->slice_type == HEVC_SLICE_P ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I; if (ps->pps->output_flag_present_flag) sh->pic_output_flag = get_bits1(gb); if (ps->sps->separate_colour_plane_flag) sh->colour_plane_id = get_bits(gb, 2); if (!IS_IDR(h)) { sh->pic_order_cnt_lsb = get_bits(gb, ps->sps->log2_max_poc_lsb); s->output_picture_number = h->poc = ff_hevc_compute_poc(h->ps.sps, h->pocTid0, sh->pic_order_cnt_lsb, h->nal_unit_type); } else s->output_picture_number = h->poc = 0; if (h->temporal_id == 0 && h->nal_unit_type != HEVC_NAL_TRAIL_N && h->nal_unit_type != HEVC_NAL_TSA_N && h->nal_unit_type != HEVC_NAL_STSA_N && h->nal_unit_type != HEVC_NAL_RADL_N && h->nal_unit_type != HEVC_NAL_RASL_N && h->nal_unit_type != HEVC_NAL_RADL_R && h->nal_unit_type != HEVC_NAL_RASL_R) h->pocTid0 = h->poc; return 0; /* no need to evaluate the rest */ } } /* didn't find a picture! */ if (!is_global) av_log(h->avctx, AV_LOG_ERROR, "missing picture in access unit\n"); return -1; } | 22,563 |
0 | void ff_put_h264_qpel4_mc22_msa(uint8_t *dst, const uint8_t *src, ptrdiff_t stride) { avc_luma_mid_4w_msa(src - (2 * stride) - 2, stride, dst, stride, 4); } | 22,564 |
0 | int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length, void *logctx, int is_nalff, int nal_length_size, enum AVCodecID codec_id) { int consumed, ret = 0; const uint8_t *next_avc = buf + (is_nalff ? 0 : length); pkt->nb_nals = 0; while (length >= 4) { H2645NAL *nal; int extract_length = 0; int skip_trailing_zeros = 1; /* * Only parse an AVC1 length field if one is expected at the current * buffer position. There are unfortunately streams with multiple * NAL units covered by the length field. Those NAL units are delimited * by Annex B start code prefixes. ff_h2645_extract_rbsp() detects it * correctly and consumes only the first NAL unit. The additional NAL * units are handled here in the Annex B parsing code. */ if (buf == next_avc) { int i; for (i = 0; i < nal_length_size; i++) extract_length = (extract_length << 8) | buf[i]; if (extract_length > length) { av_log(logctx, AV_LOG_ERROR, "Invalid NAL unit size.\n"); return AVERROR_INVALIDDATA; } buf += nal_length_size; length -= nal_length_size; // keep track of the next AVC1 length field next_avc = buf + extract_length; } else { /* * expected to return immediately except for streams with mixed * NAL unit coding */ int buf_index = find_next_start_code(buf, next_avc); buf += buf_index; length -= buf_index; /* * break if an AVC1 length field is expected at the current buffer * position */ if (buf == next_avc) continue; if (length > 0) { extract_length = length; } else if (pkt->nb_nals == 0) { av_log(logctx, AV_LOG_ERROR, "No NAL unit found\n"); return AVERROR_INVALIDDATA; } else { break; } } if (pkt->nals_allocated < pkt->nb_nals + 1) { int new_size = pkt->nals_allocated + 1; H2645NAL *tmp = av_realloc_array(pkt->nals, new_size, sizeof(*tmp)); if (!tmp) return AVERROR(ENOMEM); pkt->nals = tmp; memset(pkt->nals + pkt->nals_allocated, 0, (new_size - pkt->nals_allocated) * sizeof(*tmp)); pkt->nals_allocated = new_size; } nal = &pkt->nals[pkt->nb_nals++]; consumed = ff_h2645_extract_rbsp(buf, extract_length, nal); if (consumed < 0) return consumed; /* see commit 3566042a0 */ if (consumed < length - 3 && buf[consumed] == 0x00 && buf[consumed + 1] == 0x00 && buf[consumed + 2] == 0x01 && buf[consumed + 3] == 0xE0) skip_trailing_zeros = 0; nal->size_bits = get_bit_length(nal, skip_trailing_zeros); ret = init_get_bits(&nal->gb, nal->data, nal->size_bits); if (ret < 0) return ret; if (codec_id == AV_CODEC_ID_HEVC) ret = hevc_parse_nal_header(nal, logctx); else ret = h264_parse_nal_header(nal, logctx); if (ret <= 0) { if (ret < 0) { av_log(logctx, AV_LOG_ERROR, "Invalid NAL unit %d, skipping.\n", nal->type); } pkt->nb_nals--; } buf += consumed; length -= consumed; } return 0; } | 22,566 |
0 | static int output_packet(AVInputStream *ist, int ist_index, AVOutputStream **ost_table, int nb_ostreams, const AVPacket *pkt) { AVFormatContext *os; AVOutputStream *ost; uint8_t *ptr; int len, ret, i; uint8_t *data_buf; int data_size, got_picture; AVFrame picture; short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2]; void *buffer_to_free; if (pkt && pkt->pts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too ist->next_pts = ist->pts = pkt->dts; } else { ist->pts = ist->next_pts; } if (pkt == NULL) { /* EOF handling */ ptr = NULL; len = 0; goto handle_eof; } len = pkt->size; ptr = pkt->data; while (len > 0) { handle_eof: /* decode the packet if needed */ data_buf = NULL; /* fail safe */ data_size = 0; if (ist->decoding_needed) { switch(ist->st->codec.codec_type) { case CODEC_TYPE_AUDIO: /* XXX: could avoid copy if PCM 16 bits with same endianness as CPU */ ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size, ptr, len); if (ret < 0) goto fail_decode; ptr += ret; len -= ret; /* Some bug in mpeg audio decoder gives */ /* data_size < 0, it seems they are overflows */ if (data_size <= 0) { /* no audio frame */ continue; } data_buf = (uint8_t *)samples; ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) / (ist->st->codec.sample_rate * ist->st->codec.channels); break; case CODEC_TYPE_VIDEO: data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2; /* XXX: allocate picture correctly */ avcodec_get_frame_defaults(&picture); ret = avcodec_decode_video(&ist->st->codec, &picture, &got_picture, ptr, len); ist->st->quality= picture.quality; if (ret < 0) goto fail_decode; if (!got_picture) { /* no picture yet */ goto discard_packet; } if (ist->st->codec.frame_rate_base != 0) { ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec.frame_rate_base) / ist->st->codec.frame_rate; } len = 0; break; default: goto fail_decode; } } else { data_buf = ptr; data_size = len; ret = len; len = 0; } buffer_to_free = NULL; if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) { pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free); } /* frame rate emulation */ if (ist->st->codec.rate_emu) { int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate); int64_t now = av_gettime() - ist->start; if (pts > now) usleep(pts - now); ist->frame++; } #if 0 /* mpeg PTS deordering : if it is a P or I frame, the PTS is the one of the next displayed one */ /* XXX: add mpeg4 too ? */ if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) { if (ist->st->codec.pict_type != B_TYPE) { int64_t tmp; tmp = ist->last_ip_pts; ist->last_ip_pts = ist->frac_pts.val; ist->frac_pts.val = tmp; } } #endif /* if output time reached then transcode raw format, encode packets and output them */ if (start_time == 0 || ist->pts >= start_time) for(i=0;i<nb_ostreams;i++) { int frame_size; ost = ost_table[i]; if (ost->source_index == ist_index) { os = output_files[ost->file_index]; #if 0 printf("%d: got pts=%0.3f %0.3f\n", i, (double)pkt->pts / AV_TIME_BASE, ((double)ist->pts / AV_TIME_BASE) - ((double)ost->st->pts.val * ost->time_base.num / ost->time_base.den)); #endif /* set the input output pts pairs */ ost->sync_ipts = (double)ist->pts / AV_TIME_BASE; if (ost->encoding_needed) { switch(ost->st->codec.codec_type) { case CODEC_TYPE_AUDIO: do_audio_out(os, ost, ist, data_buf, data_size); break; case CODEC_TYPE_VIDEO: /* find an audio stream for synchro */ { int i; AVOutputStream *audio_sync, *ost1; audio_sync = NULL; for(i=0;i<nb_ostreams;i++) { ost1 = ost_table[i]; if (ost1->file_index == ost->file_index && ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) { audio_sync = ost1; break; } } do_video_out(os, ost, ist, &picture, &frame_size, audio_sync); video_size += frame_size; if (do_vstats && frame_size) do_video_stats(os, ost, frame_size); } break; default: av_abort(); } } else { AVFrame avframe; //FIXME/XXX remove this AVPacket opkt; av_init_packet(&opkt); /* no reencoding needed : output the packet directly */ /* force the input stream PTS */ avcodec_get_frame_defaults(&avframe); ost->st->codec.coded_frame= &avframe; avframe.key_frame = pkt->flags & PKT_FLAG_KEY; if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO) audio_size += data_size; else if (ost->st->codec.codec_type == CODEC_TYPE_VIDEO) video_size += data_size; opkt.stream_index= ost->index; opkt.data= data_buf; opkt.size= data_size; opkt.pts= ist->pts; //FIXME dts vs. pts opkt.flags= pkt->flags; av_write_frame(os, &opkt); ost->st->codec.frame_number++; ost->frame_number++; } } } av_free(buffer_to_free); } discard_packet: return 0; fail_decode: return -1; } | 22,567 |
0 | static void count_frame_bits(AC3EncodeContext *s) { AC3EncOptions *opt = &s->options; int blk, ch; int frame_bits = 0; /* header */ if (s->eac3) { /* coupling */ if (s->channel_mode > AC3_CHMODE_MONO) { frame_bits++; for (blk = 1; blk < AC3_MAX_BLOCKS; blk++) { AC3Block *block = &s->blocks[blk]; frame_bits++; if (block->new_cpl_strategy) frame_bits++; } } /* coupling exponent strategy */ for (blk = 0; blk < AC3_MAX_BLOCKS; blk++) frame_bits += 2 * s->blocks[blk].cpl_in_use; } else { if (opt->audio_production_info) frame_bits += 7; if (s->bitstream_id == 6) { if (opt->extended_bsi_1) frame_bits += 14; if (opt->extended_bsi_2) frame_bits += 14; } } /* audio blocks */ for (blk = 0; blk < AC3_MAX_BLOCKS; blk++) { AC3Block *block = &s->blocks[blk]; /* coupling strategy */ if (!s->eac3) frame_bits++; if (block->new_cpl_strategy) { if (!s->eac3) frame_bits++; if (block->cpl_in_use) { if (s->eac3) frame_bits++; if (!s->eac3 || s->channel_mode != AC3_CHMODE_STEREO) frame_bits += s->fbw_channels; if (s->channel_mode == AC3_CHMODE_STEREO) frame_bits++; frame_bits += 4 + 4; if (s->eac3) frame_bits++; else frame_bits += s->num_cpl_subbands - 1; } } /* coupling coordinates */ if (block->cpl_in_use) { for (ch = 1; ch <= s->fbw_channels; ch++) { if (block->channel_in_cpl[ch]) { if (!s->eac3 || block->new_cpl_coords != 2) frame_bits++; if (block->new_cpl_coords) { frame_bits += 2; frame_bits += (4 + 4) * s->num_cpl_bands; } } } } /* stereo rematrixing */ if (s->channel_mode == AC3_CHMODE_STEREO) { if (!s->eac3 || blk > 0) frame_bits++; if (s->blocks[blk].new_rematrixing_strategy) frame_bits += block->num_rematrixing_bands; } /* bandwidth codes & gain range */ for (ch = 1; ch <= s->fbw_channels; ch++) { if (s->exp_strategy[ch][blk] != EXP_REUSE) { if (!block->channel_in_cpl[ch]) frame_bits += 6; frame_bits += 2; } } /* coupling exponent strategy */ if (!s->eac3 && block->cpl_in_use) frame_bits += 2; /* snr offsets and fast gain codes */ if (!s->eac3) { frame_bits++; if (block->new_snr_offsets) frame_bits += 6 + (s->channels + block->cpl_in_use) * (4 + 3); } /* coupling leak info */ if (block->cpl_in_use) { if (!s->eac3 || block->new_cpl_leak != 2) frame_bits++; if (block->new_cpl_leak) frame_bits += 3 + 3; } } s->frame_bits = s->frame_bits_fixed + frame_bits; } | 22,568 |
1 | void sp804_init(uint32_t base, qemu_irq irq) { int iomemtype; sp804_state *s; qemu_irq *qi; s = (sp804_state *)qemu_mallocz(sizeof(sp804_state)); qi = qemu_allocate_irqs(sp804_set_irq, s, 2); s->base = base; s->irq = irq; /* ??? The timers are actually configurable between 32kHz and 1MHz, but we don't implement that. */ s->timer[0] = arm_timer_init(1000000, qi[0]); s->timer[1] = arm_timer_init(1000000, qi[1]); iomemtype = cpu_register_io_memory(0, sp804_readfn, sp804_writefn, s); cpu_register_physical_memory(base, 0x00000fff, iomemtype); /* ??? Save/restore. */ } | 22,569 |
1 | static void network_init(void) { int i; for(i = 0; i < nb_nics; i++) { NICInfo *nd = &nd_table[i]; const char *default_devaddr = NULL; if (i == 0 && (!nd->model || strcmp(nd->model, "pcnet") == 0)) /* The malta board has a PCNet card using PCI SLOT 11 */ default_devaddr = "0b"; pci_nic_init(nd, "pcnet", default_devaddr); } } | 22,570 |
1 | static uint8_t *buffer_end(Buffer *buffer) { return buffer->buffer + buffer->offset; } | 22,571 |
1 | PXA2xxState *pxa270_init(MemoryRegion *address_space, unsigned int sdram_size, const char *revision) { PXA2xxState *s; int i; DriveInfo *dinfo; s = (PXA2xxState *) g_malloc0(sizeof(PXA2xxState)); if (revision && strncmp(revision, "pxa27", 5)) { fprintf(stderr, "Machine requires a PXA27x processor.\n"); exit(1); } if (!revision) revision = "pxa270"; s->cpu = cpu_arm_init(revision); if (s->cpu == NULL) { fprintf(stderr, "Unable to find CPU definition\n"); exit(1); } s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0); /* SDRAM & Internal Memory Storage */ memory_region_init_ram(&s->sdram, NULL, "pxa270.sdram", sdram_size, &error_abort); vmstate_register_ram_global(&s->sdram); memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram); memory_region_init_ram(&s->internal, NULL, "pxa270.internal", 0x40000, &error_abort); vmstate_register_ram_global(&s->internal); memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE, &s->internal); s->pic = pxa2xx_pic_init(0x40d00000, s->cpu); s->dma = pxa27x_dma_init(0x40000000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA)); sysbus_create_varargs("pxa27x-timer", 0x40a00000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0), qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1), qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2), qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3), qdev_get_gpio_in(s->pic, PXA27X_PIC_OST_4_11), NULL); s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 121); dinfo = drive_get(IF_SD, 0, 0); if (!dinfo) { fprintf(stderr, "qemu: missing SecureDigital device\n"); exit(1); } s->mmc = pxa2xx_mmci_init(address_space, 0x41100000, blk_by_legacy_dinfo(dinfo), qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC), qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI), qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI)); for (i = 0; pxa270_serial[i].io_base; i++) { if (serial_hds[i]) { serial_mm_init(address_space, pxa270_serial[i].io_base, 2, qdev_get_gpio_in(s->pic, pxa270_serial[i].irqn), 14857000 / 16, serial_hds[i], DEVICE_NATIVE_ENDIAN); } else { break; } } if (serial_hds[i]) s->fir = pxa2xx_fir_init(address_space, 0x40800000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP), qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP), qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP), serial_hds[i]); s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD)); s->cm_base = 0x41300000; s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */ s->clkcfg = 0x00000009; /* Turbo mode active */ memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000); memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem); vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s); pxa2xx_setup_cp14(s); s->mm_base = 0x48000000; s->mm_regs[MDMRS >> 2] = 0x00020002; s->mm_regs[MDREFR >> 2] = 0x03ca4000; s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */ memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000); memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem); vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s); s->pm_base = 0x40f00000; memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100); memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem); vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s); for (i = 0; pxa27x_ssp[i].io_base; i ++); s->ssp = (SSIBus **)g_malloc0(sizeof(SSIBus *) * i); for (i = 0; pxa27x_ssp[i].io_base; i ++) { DeviceState *dev; dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa27x_ssp[i].io_base, qdev_get_gpio_in(s->pic, pxa27x_ssp[i].irqn)); s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi"); } if (usb_enabled()) { sysbus_create_simple("sysbus-ohci", 0x4c000000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1)); } s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000); s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000); sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM)); s->i2c[0] = pxa2xx_i2c_init(0x40301600, qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff); s->i2c[1] = pxa2xx_i2c_init(0x40f00100, qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff); s->i2s = pxa2xx_i2s_init(address_space, 0x40400000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S), qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S), qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S)); s->kp = pxa27x_keypad_init(address_space, 0x41500000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_KEYPAD)); /* GPIO1 resets the processor */ /* The handler can be overridden by board-specific code */ qdev_connect_gpio_out(s->gpio, 1, s->reset); return s; } | 22,572 |
1 | static int cpu_mips_register (CPUMIPSState *env, const mips_def_t *def) { env->CP0_PRid = def->CP0_PRid; env->CP0_Config0 = def->CP0_Config0; #ifdef TARGET_WORDS_BIGENDIAN env->CP0_Config0 |= (1 << CP0C0_BE); #endif env->CP0_Config1 = def->CP0_Config1; env->CP0_Config2 = def->CP0_Config2; env->CP0_Config3 = def->CP0_Config3; env->CP0_Config6 = def->CP0_Config6; env->CP0_Config7 = def->CP0_Config7; env->SYNCI_Step = def->SYNCI_Step; env->CCRes = def->CCRes; env->CP0_Status_rw_bitmask = def->CP0_Status_rw_bitmask; env->CP0_TCStatus_rw_bitmask = def->CP0_TCStatus_rw_bitmask; env->CP0_SRSCtl = def->CP0_SRSCtl; env->current_tc = 0; env->SEGBITS = def->SEGBITS; env->SEGMask = (target_ulong)((1ULL << def->SEGBITS) - 1); #if defined(TARGET_MIPS64) if (def->insn_flags & ISA_MIPS3) { env->hflags |= MIPS_HFLAG_64; env->SEGMask |= 3ULL << 62; } #endif env->PABITS = def->PABITS; env->PAMask = (target_ulong)((1ULL << def->PABITS) - 1); env->CP0_SRSConf0_rw_bitmask = def->CP0_SRSConf0_rw_bitmask; env->CP0_SRSConf0 = def->CP0_SRSConf0; env->CP0_SRSConf1_rw_bitmask = def->CP0_SRSConf1_rw_bitmask; env->CP0_SRSConf1 = def->CP0_SRSConf1; env->CP0_SRSConf2_rw_bitmask = def->CP0_SRSConf2_rw_bitmask; env->CP0_SRSConf2 = def->CP0_SRSConf2; env->CP0_SRSConf3_rw_bitmask = def->CP0_SRSConf3_rw_bitmask; env->CP0_SRSConf3 = def->CP0_SRSConf3; env->CP0_SRSConf4_rw_bitmask = def->CP0_SRSConf4_rw_bitmask; env->CP0_SRSConf4 = def->CP0_SRSConf4; env->insn_flags = def->insn_flags; #ifndef CONFIG_USER_ONLY mmu_init(env, def); #endif fpu_init(env, def); mvp_init(env, def); return 0; } | 22,574 |
1 | static void gd_update(DisplayChangeListener *dcl, DisplayState *ds, int x, int y, int w, int h) { GtkDisplayState *s = ds->opaque; int x1, x2, y1, y2; int mx, my; int fbw, fbh; int ww, wh; DPRINTF("update(x=%d, y=%d, w=%d, h=%d)\n", x, y, w, h); x1 = floor(x * s->scale_x); y1 = floor(y * s->scale_y); x2 = ceil(x * s->scale_x + w * s->scale_x); y2 = ceil(y * s->scale_y + h * s->scale_y); fbw = ds_get_width(s->ds) * s->scale_x; fbh = ds_get_height(s->ds) * s->scale_y; gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh); mx = my = 0; if (ww > fbw) { mx = (ww - fbw) / 2; } if (wh > fbh) { my = (wh - fbh) / 2; } gtk_widget_queue_draw_area(s->drawing_area, mx + x1, my + y1, (x2 - x1), (y2 - y1)); } | 22,575 |
1 | static void load_module(const char *filename) { void *dll; void (*init_func)(void); dll = dlopen(filename, RTLD_NOW); if (!dll) { fprintf(stderr, "Could not load module '%s' - %s\n", filename, dlerror()); } init_func = dlsym(dll, "ffserver_module_init"); if (!init_func) { fprintf(stderr, "%s: init function 'ffserver_module_init()' not found\n", filename); dlclose(dll); } init_func(); } | 22,576 |
0 | DVDemuxContext* avpriv_dv_init_demux(AVFormatContext *s) { DVDemuxContext *c; c = av_mallocz(sizeof(DVDemuxContext)); if (!c) return NULL; c->vst = avformat_new_stream(s, NULL); if (!c->vst) { av_free(c); return NULL; } c->sys = NULL; c->fctx = s; memset(c->ast, 0, sizeof(c->ast)); c->ach = 0; c->frames = 0; c->abytes = 0; c->vst->codec->codec_type = AVMEDIA_TYPE_VIDEO; c->vst->codec->codec_id = CODEC_ID_DVVIDEO; c->vst->codec->bit_rate = 25000000; c->vst->start_time = 0; return c; } | 22,577 |
1 | int ff_read_riff_info(AVFormatContext *s, int64_t size) { int64_t start, end, cur; AVIOContext *pb = s->pb; start = avio_tell(pb); end = start + size; while ((cur = avio_tell(pb)) >= 0 && cur <= end - 8 /* = tag + size */) { uint32_t chunk_code; int64_t chunk_size; char key[5] = {0}; char *value; chunk_code = avio_rl32(pb); chunk_size = avio_rl32(pb); if (chunk_size > end || end - chunk_size < cur || chunk_size == UINT_MAX) { av_log(s, AV_LOG_ERROR, "too big INFO subchunk\n"); return AVERROR_INVALIDDATA; } chunk_size += (chunk_size & 1); value = av_malloc(chunk_size + 1); if (!value) { av_log(s, AV_LOG_ERROR, "out of memory, unable to read INFO tag\n"); return AVERROR(ENOMEM); } AV_WL32(key, chunk_code); if (avio_read(pb, value, chunk_size) != chunk_size) { av_freep(key); av_freep(value); av_log(s, AV_LOG_ERROR, "premature end of file while reading INFO tag\n"); return AVERROR_INVALIDDATA; } value[chunk_size] = 0; av_dict_set(&s->metadata, key, value, AV_DICT_DONT_STRDUP_VAL); } return 0; } | 22,578 |
1 | static int h261_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; H261Context *h = avctx->priv_data; MpegEncContext *s = &h->s; int ret; AVFrame *pict = data; av_dlog(avctx, "*****frame %d size=%d\n", avctx->frame_number, buf_size); av_dlog(avctx, "bytes=%x %x %x %x\n", buf[0], buf[1], buf[2], buf[3]); s->flags = avctx->flags; s->flags2 = avctx->flags2; h->gob_start_code_skipped = 0; retry: init_get_bits(&s->gb, buf, buf_size * 8); if (!s->context_initialized) // we need the IDCT permutaton for reading a custom matrix if (ff_MPV_common_init(s) < 0) return -1; ret = h261_decode_picture_header(h); /* skip if the header was thrashed */ if (ret < 0) { av_log(s->avctx, AV_LOG_ERROR, "header damaged\n"); return -1; } if (s->width != avctx->coded_width || s->height != avctx->coded_height) { ParseContext pc = s->parse_context; // FIXME move this demuxing hack to libavformat s->parse_context.buffer = 0; ff_MPV_common_end(s); s->parse_context = pc; } if (!s->context_initialized) { ret = ff_set_dimensions(avctx, s->width, s->height); if (ret < 0) return ret; goto retry; } // for skipping the frame s->current_picture.f.pict_type = s->pict_type; s->current_picture.f.key_frame = s->pict_type == AV_PICTURE_TYPE_I; if ((avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B) || (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I) || avctx->skip_frame >= AVDISCARD_ALL) return get_consumed_bytes(s, buf_size); if (ff_MPV_frame_start(s, avctx) < 0) return -1; ff_mpeg_er_frame_start(s); /* decode each macroblock */ s->mb_x = 0; s->mb_y = 0; while (h->gob_number < (s->mb_height == 18 ? 12 : 5)) { if (h261_resync(h) < 0) break; h261_decode_gob(h); } ff_MPV_frame_end(s); assert(s->current_picture.f.pict_type == s->current_picture_ptr->f.pict_type); assert(s->current_picture.f.pict_type == s->pict_type); if ((ret = av_frame_ref(pict, &s->current_picture_ptr->f)) < 0) return ret; ff_print_debug_info(s, s->current_picture_ptr); *got_frame = 1; return get_consumed_bytes(s, buf_size); } | 22,579 |
1 | int qcow2_alloc_cluster_offset(BlockDriverState *bs, uint64_t offset, int n_start, int n_end, int *num, QCowL2Meta *m) { BDRVQcowState *s = bs->opaque; int l2_index, ret, sectors; uint64_t *l2_table; unsigned int nb_clusters, keep_clusters; uint64_t cluster_offset; trace_qcow2_alloc_clusters_offset(qemu_coroutine_self(), offset, n_start, n_end); /* Find L2 entry for the first involved cluster */ again: ret = get_cluster_table(bs, offset, &l2_table, &l2_index); if (ret < 0) { return ret; } /* * Calculate the number of clusters to look for. We stop at L2 table * boundaries to keep things simple. */ nb_clusters = MIN(size_to_clusters(s, n_end << BDRV_SECTOR_BITS), s->l2_size - l2_index); cluster_offset = be64_to_cpu(l2_table[l2_index]); /* * Check how many clusters are already allocated and don't need COW, and how * many need a new allocation. */ if (qcow2_get_cluster_type(cluster_offset) == QCOW2_CLUSTER_NORMAL && (cluster_offset & QCOW_OFLAG_COPIED)) { /* We keep all QCOW_OFLAG_COPIED clusters */ keep_clusters = count_contiguous_clusters(nb_clusters, s->cluster_size, &l2_table[l2_index], 0, QCOW_OFLAG_COPIED | QCOW_OFLAG_ZERO); assert(keep_clusters <= nb_clusters); nb_clusters -= keep_clusters; } else { /* For the moment, overwrite compressed clusters one by one */ if (cluster_offset & QCOW_OFLAG_COMPRESSED) { nb_clusters = 1; } else { nb_clusters = count_cow_clusters(s, nb_clusters, l2_table, l2_index); } keep_clusters = 0; cluster_offset = 0; } cluster_offset &= L2E_OFFSET_MASK; /* * The L2 table isn't used any more after this. As long as the cache works * synchronously, it's important to release it before calling * do_alloc_cluster_offset, which may yield if we need to wait for another * request to complete. If we still had the reference, we could use up the * whole cache with sleeping requests. */ ret = qcow2_cache_put(bs, s->l2_table_cache, (void**) &l2_table); if (ret < 0) { return ret; } /* If there is something left to allocate, do that now */ *m = (QCowL2Meta) { .cluster_offset = cluster_offset, .nb_clusters = 0, }; qemu_co_queue_init(&m->dependent_requests); if (nb_clusters > 0) { uint64_t alloc_offset; uint64_t alloc_cluster_offset; uint64_t keep_bytes = keep_clusters * s->cluster_size; /* Calculate start and size of allocation */ alloc_offset = offset + keep_bytes; if (keep_clusters == 0) { alloc_cluster_offset = 0; } else { alloc_cluster_offset = cluster_offset + keep_bytes; } /* Allocate, if necessary at a given offset in the image file */ ret = do_alloc_cluster_offset(bs, alloc_offset, &alloc_cluster_offset, &nb_clusters); if (ret == -EAGAIN) { goto again; } else if (ret < 0) { goto fail; } /* save info needed for meta data update */ if (nb_clusters > 0) { int requested_sectors = n_end - keep_clusters * s->cluster_sectors; int avail_sectors = (keep_clusters + nb_clusters) << (s->cluster_bits - BDRV_SECTOR_BITS); *m = (QCowL2Meta) { .cluster_offset = keep_clusters == 0 ? alloc_cluster_offset : cluster_offset, .alloc_offset = alloc_cluster_offset, .offset = alloc_offset, .n_start = keep_clusters == 0 ? n_start : 0, .nb_clusters = nb_clusters, .nb_available = MIN(requested_sectors, avail_sectors), }; qemu_co_queue_init(&m->dependent_requests); QLIST_INSERT_HEAD(&s->cluster_allocs, m, next_in_flight); } } /* Some cleanup work */ sectors = (keep_clusters + nb_clusters) << (s->cluster_bits - 9); if (sectors > n_end) { sectors = n_end; } assert(sectors > n_start); *num = sectors - n_start; return 0; fail: if (m->nb_clusters > 0) { QLIST_REMOVE(m, next_in_flight); } return ret; } | 22,580 |
1 | static void tb_gen_code(CPUState *env, target_ulong pc, target_ulong cs_base, int flags, int cflags) { TranslationBlock *tb; uint8_t *tc_ptr; target_ulong phys_pc, phys_page2, virt_page2; int code_gen_size; phys_pc = get_phys_addr_code(env, pc); tb = tb_alloc(pc); if (!tb) { /* flush must be done */ tb_flush(env); /* cannot fail at this point */ tb = tb_alloc(pc); } tc_ptr = code_gen_ptr; tb->tc_ptr = tc_ptr; tb->cs_base = cs_base; tb->flags = flags; tb->cflags = cflags; cpu_gen_code(env, tb, CODE_GEN_MAX_SIZE, &code_gen_size); code_gen_ptr = (void *)(((unsigned long)code_gen_ptr + code_gen_size + CODE_GEN_ALIGN - 1) & ~(CODE_GEN_ALIGN - 1)); /* check next page if needed */ virt_page2 = (pc + tb->size - 1) & TARGET_PAGE_MASK; phys_page2 = -1; if ((pc & TARGET_PAGE_MASK) != virt_page2) { phys_page2 = get_phys_addr_code(env, virt_page2); } tb_link_phys(tb, phys_pc, phys_page2); } | 22,581 |
1 | void cpu_inject_x86_mce(CPUState *cenv, int bank, uint64_t status, uint64_t mcg_status, uint64_t addr, uint64_t misc) { uint64_t mcg_cap = cenv->mcg_cap; unsigned bank_num = mcg_cap & 0xff; uint64_t *banks = cenv->mce_banks; if (bank >= bank_num || !(status & MCI_STATUS_VAL)) return; if (kvm_enabled()) { kvm_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc); return; } /* * if MSR_MCG_CTL is not all 1s, the uncorrected error * reporting is disabled */ if ((status & MCI_STATUS_UC) && (mcg_cap & MCG_CTL_P) && cenv->mcg_ctl != ~(uint64_t)0) return; banks += 4 * bank; /* * if MSR_MCi_CTL is not all 1s, the uncorrected error * reporting is disabled for the bank */ if ((status & MCI_STATUS_UC) && banks[0] != ~(uint64_t)0) return; if (status & MCI_STATUS_UC) { if ((cenv->mcg_status & MCG_STATUS_MCIP) || !(cenv->cr[4] & CR4_MCE_MASK)) { fprintf(stderr, "injects mce exception while previous " "one is in progress!\n"); qemu_log_mask(CPU_LOG_RESET, "Triple fault\n"); qemu_system_reset_request(); return; } if (banks[1] & MCI_STATUS_VAL) status |= MCI_STATUS_OVER; banks[2] = addr; banks[3] = misc; cenv->mcg_status = mcg_status; banks[1] = status; cpu_interrupt(cenv, CPU_INTERRUPT_MCE); } else if (!(banks[1] & MCI_STATUS_VAL) || !(banks[1] & MCI_STATUS_UC)) { if (banks[1] & MCI_STATUS_VAL) status |= MCI_STATUS_OVER; banks[2] = addr; banks[3] = misc; banks[1] = status; } else banks[1] |= MCI_STATUS_OVER; } | 22,582 |
1 | void qemu_aio_poll(void) { } | 22,583 |
1 | void virtqueue_map_sg(struct iovec *sg, hwaddr *addr, size_t num_sg, int is_write) { unsigned int i; hwaddr len; if (num_sg > VIRTQUEUE_MAX_SIZE) { error_report("virtio: map attempt out of bounds: %zd > %d", num_sg, VIRTQUEUE_MAX_SIZE); exit(1); } for (i = 0; i < num_sg; i++) { len = sg[i].iov_len; sg[i].iov_base = cpu_physical_memory_map(addr[i], &len, is_write); if (sg[i].iov_base == NULL || len != sg[i].iov_len) { error_report("virtio: error trying to map MMIO memory"); exit(1); } } } | 22,584 |
1 | static int aasc_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; AascContext *s = avctx->priv_data; int compr, i, stride, ret; if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) { av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n"); return ret; } compr = AV_RL32(buf); buf += 4; buf_size -= 4; switch (compr) { case 0: stride = (avctx->width * 3 + 3) & ~3; if (buf_size < stride * avctx->height) for (i = avctx->height - 1; i >= 0; i--) { memcpy(s->frame->data[0] + i * s->frame->linesize[0], buf, avctx->width * 3); buf += stride; } break; case 1: bytestream2_init(&s->gb, buf, buf_size); ff_msrle_decode(avctx, (AVPicture*)s->frame, 8, &s->gb); break; default: av_log(avctx, AV_LOG_ERROR, "Unknown compression type %d\n", compr); } *got_frame = 1; if ((ret = av_frame_ref(data, s->frame)) < 0) return ret; /* report that the buffer was completely consumed */ return buf_size; } | 22,585 |
1 | static av_always_inline void filter_common(uint8_t *p, ptrdiff_t stride, int is4tap) { LOAD_PIXELS int a, f1, f2; const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP; a = 3 * (q0 - p0); if (is4tap) a += clip_int8(p1 - q1); a = clip_int8(a); // We deviate from the spec here with c(a+3) >> 3 // since that's what libvpx does. f1 = FFMIN(a + 4, 127) >> 3; f2 = FFMIN(a + 3, 127) >> 3; // Despite what the spec says, we do need to clamp here to // be bitexact with libvpx. p[-1 * stride] = cm[p0 + f2]; p[ 0 * stride] = cm[q0 - f1]; // only used for _inner on blocks without high edge variance if (!is4tap) { a = (f1 + 1) >> 1; p[-2 * stride] = cm[p1 + a]; p[ 1 * stride] = cm[q1 - a]; } } | 22,586 |
1 | static int virtio_blk_init_pci(PCIDevice *pci_dev) { VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev); VirtIODevice *vdev; if (proxy->class_code != PCI_CLASS_STORAGE_SCSI && proxy->class_code != PCI_CLASS_STORAGE_OTHER) proxy->class_code = PCI_CLASS_STORAGE_SCSI; if (!proxy->block.bs) { error_report("virtio-blk-pci: drive property not set"); vdev = virtio_blk_init(&pci_dev->qdev, &proxy->block); vdev->nvectors = proxy->nvectors; virtio_init_pci(proxy, vdev, PCI_VENDOR_ID_REDHAT_QUMRANET, PCI_DEVICE_ID_VIRTIO_BLOCK, proxy->class_code, 0x00); /* make the actual value visible */ proxy->nvectors = vdev->nvectors; return 0; | 22,587 |
1 | static target_ulong helper_sdiv_common(CPUSPARCState *env, target_ulong a, target_ulong b, int cc) { SPARCCPU *cpu = sparc_env_get_cpu(env); int overflow = 0; int64_t x0; int32_t x1; x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32); x1 = (b & 0xffffffff); if (x1 == 0) { cpu_restore_state(CPU(cpu), GETPC()); helper_raise_exception(env, TT_DIV_ZERO); } x0 = x0 / x1; if ((int32_t) x0 != x0) { x0 = x0 < 0 ? 0x80000000 : 0x7fffffff; overflow = 1; } if (cc) { env->cc_dst = x0; env->cc_src2 = overflow; env->cc_op = CC_OP_DIV; } return x0; } | 22,588 |
0 | static int mkv_write_track(AVFormatContext *s, MatroskaMuxContext *mkv, int i, AVIOContext *pb, int default_stream_exists) { AVStream *st = s->streams[i]; AVCodecContext *codec = st->codec; ebml_master subinfo, track; int native_id = 0; int qt_id = 0; int bit_depth = av_get_bits_per_sample(codec->codec_id); int sample_rate = codec->sample_rate; int output_sample_rate = 0; int display_width_div = 1; int display_height_div = 1; int j, ret; AVDictionaryEntry *tag; // ms precision is the de-facto standard timescale for mkv files avpriv_set_pts_info(st, 64, 1, 1000); if (codec->codec_type == AVMEDIA_TYPE_ATTACHMENT) { mkv->have_attachments = 1; return 0; } if (!bit_depth && codec->codec_id != AV_CODEC_ID_ADPCM_G726) bit_depth = av_get_bytes_per_sample(codec->sample_fmt) << 3; if (!bit_depth) bit_depth = codec->bits_per_coded_sample; if (codec->codec_id == AV_CODEC_ID_AAC) get_aac_sample_rates(s, codec, &sample_rate, &output_sample_rate); track = start_ebml_master(pb, MATROSKA_ID_TRACKENTRY, 0); put_ebml_uint (pb, MATROSKA_ID_TRACKNUMBER, mkv->is_dash ? mkv->dash_track_number : i + 1); put_ebml_uint (pb, MATROSKA_ID_TRACKUID, mkv->is_dash ? mkv->dash_track_number : i + 1); put_ebml_uint (pb, MATROSKA_ID_TRACKFLAGLACING , 0); // no lacing (yet) if ((tag = av_dict_get(st->metadata, "title", NULL, 0))) put_ebml_string(pb, MATROSKA_ID_TRACKNAME, tag->value); tag = av_dict_get(st->metadata, "language", NULL, 0); if (mkv->mode != MODE_WEBM || codec->codec_id != AV_CODEC_ID_WEBVTT) { put_ebml_string(pb, MATROSKA_ID_TRACKLANGUAGE, tag && tag->value ? tag->value:"und"); } else if (tag && tag->value) { put_ebml_string(pb, MATROSKA_ID_TRACKLANGUAGE, tag->value); } // The default value for TRACKFLAGDEFAULT is 1, so add element // if we need to clear it. if (default_stream_exists && !(st->disposition & AV_DISPOSITION_DEFAULT)) put_ebml_uint(pb, MATROSKA_ID_TRACKFLAGDEFAULT, !!(st->disposition & AV_DISPOSITION_DEFAULT)); if (st->disposition & AV_DISPOSITION_FORCED) put_ebml_uint(pb, MATROSKA_ID_TRACKFLAGFORCED, 1); if (mkv->mode == MODE_WEBM && codec->codec_id == AV_CODEC_ID_WEBVTT) { const char *codec_id; if (st->disposition & AV_DISPOSITION_CAPTIONS) { codec_id = "D_WEBVTT/CAPTIONS"; native_id = MATROSKA_TRACK_TYPE_SUBTITLE; } else if (st->disposition & AV_DISPOSITION_DESCRIPTIONS) { codec_id = "D_WEBVTT/DESCRIPTIONS"; native_id = MATROSKA_TRACK_TYPE_METADATA; } else if (st->disposition & AV_DISPOSITION_METADATA) { codec_id = "D_WEBVTT/METADATA"; native_id = MATROSKA_TRACK_TYPE_METADATA; } else { codec_id = "D_WEBVTT/SUBTITLES"; native_id = MATROSKA_TRACK_TYPE_SUBTITLE; } put_ebml_string(pb, MATROSKA_ID_CODECID, codec_id); } else { // look for a codec ID string specific to mkv to use, // if none are found, use AVI codes for (j = 0; ff_mkv_codec_tags[j].id != AV_CODEC_ID_NONE; j++) { if (ff_mkv_codec_tags[j].id == codec->codec_id) { put_ebml_string(pb, MATROSKA_ID_CODECID, ff_mkv_codec_tags[j].str); native_id = 1; break; } } } if (codec->codec_type == AVMEDIA_TYPE_AUDIO && codec->delay && codec->codec_id == AV_CODEC_ID_OPUS) { // mkv->tracks[i].ts_offset = av_rescale_q(codec->delay, // (AVRational){ 1, codec->sample_rate }, // st->time_base); put_ebml_uint(pb, MATROSKA_ID_CODECDELAY, av_rescale_q(codec->delay, (AVRational){ 1, codec->sample_rate }, (AVRational){ 1, 1000000000 })); } if (codec->codec_id == AV_CODEC_ID_OPUS) { put_ebml_uint(pb, MATROSKA_ID_SEEKPREROLL, OPUS_SEEK_PREROLL); } if (mkv->mode == MODE_WEBM && !(codec->codec_id == AV_CODEC_ID_VP8 || codec->codec_id == AV_CODEC_ID_VP9 || codec->codec_id == AV_CODEC_ID_OPUS || codec->codec_id == AV_CODEC_ID_VORBIS || codec->codec_id == AV_CODEC_ID_WEBVTT)) { av_log(s, AV_LOG_ERROR, "Only VP8 or VP9 video and Vorbis or Opus audio and WebVTT subtitles are supported for WebM.\n"); return AVERROR(EINVAL); } switch (codec->codec_type) { case AVMEDIA_TYPE_VIDEO: put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_VIDEO); if( st->avg_frame_rate.num > 0 && st->avg_frame_rate.den > 0 && 1.0/av_q2d(st->avg_frame_rate) > av_q2d(codec->time_base)) put_ebml_uint(pb, MATROSKA_ID_TRACKDEFAULTDURATION, 1E9 / av_q2d(st->avg_frame_rate)); else put_ebml_uint(pb, MATROSKA_ID_TRACKDEFAULTDURATION, av_q2d(codec->time_base)*1E9); if (!native_id && ff_codec_get_tag(ff_codec_movvideo_tags, codec->codec_id) && (!ff_codec_get_tag(ff_codec_bmp_tags, codec->codec_id) || codec->codec_id == AV_CODEC_ID_SVQ1 || codec->codec_id == AV_CODEC_ID_SVQ3 || codec->codec_id == AV_CODEC_ID_CINEPAK)) qt_id = 1; if (qt_id) put_ebml_string(pb, MATROSKA_ID_CODECID, "V_QUICKTIME"); else if (!native_id) { // if there is no mkv-specific codec ID, use VFW mode put_ebml_string(pb, MATROSKA_ID_CODECID, "V_MS/VFW/FOURCC"); mkv->tracks[i].write_dts = 1; } subinfo = start_ebml_master(pb, MATROSKA_ID_TRACKVIDEO, 0); // XXX: interlace flag? put_ebml_uint (pb, MATROSKA_ID_VIDEOPIXELWIDTH , codec->width); put_ebml_uint (pb, MATROSKA_ID_VIDEOPIXELHEIGHT, codec->height); if ((tag = av_dict_get(st->metadata, "stereo_mode", NULL, 0)) || (tag = av_dict_get( s->metadata, "stereo_mode", NULL, 0))) { int st_mode = MATROSKA_VIDEO_STEREO_MODE_COUNT; for (j=0; j<MATROSKA_VIDEO_STEREO_MODE_COUNT; j++) if (!strcmp(tag->value, ff_matroska_video_stereo_mode[j])){ st_mode = j; break; } if (mkv_write_stereo_mode(s, pb, st_mode, mkv->mode) < 0) return AVERROR(EINVAL); switch (st_mode) { case 1: case 8: case 9: case 11: display_width_div = 2; break; case 2: case 3: case 6: case 7: display_height_div = 2; break; } } if ((tag = av_dict_get(st->metadata, "alpha_mode", NULL, 0)) || (tag = av_dict_get( s->metadata, "alpha_mode", NULL, 0)) || (codec->pix_fmt == AV_PIX_FMT_YUVA420P)) { put_ebml_uint(pb, MATROSKA_ID_VIDEOALPHAMODE, 1); } if (st->sample_aspect_ratio.num) { int64_t d_width = av_rescale(codec->width, st->sample_aspect_ratio.num, st->sample_aspect_ratio.den); if (d_width > INT_MAX) { av_log(s, AV_LOG_ERROR, "Overflow in display width\n"); return AVERROR(EINVAL); } put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYWIDTH , d_width / display_width_div); put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYHEIGHT, codec->height / display_height_div); } else if (display_width_div != 1 || display_height_div != 1) { put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYWIDTH , codec->width / display_width_div); put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYHEIGHT, codec->height / display_height_div); } if (codec->codec_id == AV_CODEC_ID_RAWVIDEO) { uint32_t color_space = av_le2ne32(codec->codec_tag); put_ebml_binary(pb, MATROSKA_ID_VIDEOCOLORSPACE, &color_space, sizeof(color_space)); } end_ebml_master(pb, subinfo); break; case AVMEDIA_TYPE_AUDIO: put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_AUDIO); if (!native_id) // no mkv-specific ID, use ACM mode put_ebml_string(pb, MATROSKA_ID_CODECID, "A_MS/ACM"); subinfo = start_ebml_master(pb, MATROSKA_ID_TRACKAUDIO, 0); put_ebml_uint (pb, MATROSKA_ID_AUDIOCHANNELS , codec->channels); put_ebml_float (pb, MATROSKA_ID_AUDIOSAMPLINGFREQ, sample_rate); if (output_sample_rate) put_ebml_float(pb, MATROSKA_ID_AUDIOOUTSAMPLINGFREQ, output_sample_rate); if (bit_depth) put_ebml_uint(pb, MATROSKA_ID_AUDIOBITDEPTH, bit_depth); end_ebml_master(pb, subinfo); break; case AVMEDIA_TYPE_SUBTITLE: if (!native_id) { av_log(s, AV_LOG_ERROR, "Subtitle codec %d is not supported.\n", codec->codec_id); return AVERROR(ENOSYS); } if (mkv->mode != MODE_WEBM || codec->codec_id != AV_CODEC_ID_WEBVTT) native_id = MATROSKA_TRACK_TYPE_SUBTITLE; put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, native_id); break; default: av_log(s, AV_LOG_ERROR, "Only audio, video, and subtitles are supported for Matroska.\n"); return AVERROR(EINVAL); } if (mkv->mode != MODE_WEBM || codec->codec_id != AV_CODEC_ID_WEBVTT) { ret = mkv_write_codecprivate(s, pb, codec, native_id, qt_id); if (ret < 0) return ret; } end_ebml_master(pb, track); return 0; } | 22,589 |
0 | static int ffm_probe(AVProbeData *p) { if (p->buf_size >= 4 && p->buf[0] == 'F' && p->buf[1] == 'F' && p->buf[2] == 'M' && p->buf[3] == '1') return AVPROBE_SCORE_MAX + 1; return 0; } | 22,590 |
1 | static void win32_aio_process_completion(QEMUWin32AIOState *s, QEMUWin32AIOCB *waiocb, DWORD count) { int ret; s->count--; if (waiocb->ov.Internal != 0) { ret = -EIO; } else { ret = 0; if (count < waiocb->nbytes) { /* Short reads mean EOF, pad with zeros. */ if (waiocb->is_read) { qemu_iovec_memset(waiocb->qiov, count, 0, waiocb->qiov->size - count); } else { ret = -EINVAL; } } } if (!waiocb->is_linear) { if (ret == 0 && waiocb->is_read) { QEMUIOVector *qiov = waiocb->qiov; char *p = waiocb->buf; int i; for (i = 0; i < qiov->niov; ++i) { memcpy(qiov->iov[i].iov_base, p, qiov->iov[i].iov_len); p += qiov->iov[i].iov_len; } qemu_vfree(waiocb->buf); } } waiocb->common.cb(waiocb->common.opaque, ret); qemu_aio_release(waiocb); } | 22,592 |
1 | static void compute_pkt_fields(AVFormatContext *s, AVStream *st, AVCodecParserContext *pc, AVPacket *pkt, int64_t next_dts, int64_t next_pts) { int num, den, presentation_delayed, delay, i; int64_t offset; AVRational duration; int onein_oneout = st->codec->codec_id != AV_CODEC_ID_H264 && st->codec->codec_id != AV_CODEC_ID_HEVC; if (s->flags & AVFMT_FLAG_NOFILLIN) return; if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && pkt->dts != AV_NOPTS_VALUE) { if (pkt->dts == pkt->pts && st->last_dts_for_order_check != AV_NOPTS_VALUE) { if (st->last_dts_for_order_check <= pkt->dts) { st->dts_ordered++; } else { av_log(s, st->dts_misordered ? AV_LOG_DEBUG : AV_LOG_WARNING, "DTS %"PRIi64" < %"PRIi64" out of order\n", pkt->dts, st->last_dts_for_order_check); st->dts_misordered++; } if (st->dts_ordered + st->dts_misordered > 250) { st->dts_ordered >>= 1; st->dts_misordered >>= 1; } } st->last_dts_for_order_check = pkt->dts; if (st->dts_ordered < 8*st->dts_misordered && pkt->dts == pkt->pts) pkt->dts = AV_NOPTS_VALUE; } if ((s->flags & AVFMT_FLAG_IGNDTS) && pkt->pts != AV_NOPTS_VALUE) pkt->dts = AV_NOPTS_VALUE; if (pc && pc->pict_type == AV_PICTURE_TYPE_B && !st->codec->has_b_frames) //FIXME Set low_delay = 0 when has_b_frames = 1 st->codec->has_b_frames = 1; /* do we have a video B-frame ? */ delay = st->codec->has_b_frames; presentation_delayed = 0; /* XXX: need has_b_frame, but cannot get it if the codec is * not initialized */ if (delay && pc && pc->pict_type != AV_PICTURE_TYPE_B) presentation_delayed = 1; if (pkt->pts != AV_NOPTS_VALUE && pkt->dts != AV_NOPTS_VALUE && st->pts_wrap_bits < 63 && pkt->dts - (1LL << (st->pts_wrap_bits - 1)) > pkt->pts) { if (is_relative(st->cur_dts) || pkt->dts - (1LL<<(st->pts_wrap_bits - 1)) > st->cur_dts) { pkt->dts -= 1LL << st->pts_wrap_bits; } else pkt->pts += 1LL << st->pts_wrap_bits; } /* Some MPEG-2 in MPEG-PS lack dts (issue #171 / input_file.mpg). * We take the conservative approach and discard both. * Note: If this is misbehaving for an H.264 file, then possibly * presentation_delayed is not set correctly. */ if (delay == 1 && pkt->dts == pkt->pts && pkt->dts != AV_NOPTS_VALUE && presentation_delayed) { av_log(s, AV_LOG_DEBUG, "invalid dts/pts combination %"PRIi64"\n", pkt->dts); if ( strcmp(s->iformat->name, "mov,mp4,m4a,3gp,3g2,mj2") && strcmp(s->iformat->name, "flv")) // otherwise we discard correct timestamps for vc1-wmapro.ism pkt->dts = AV_NOPTS_VALUE; } duration = av_mul_q((AVRational) {pkt->duration, 1}, st->time_base); if (pkt->duration == 0) { ff_compute_frame_duration(s, &num, &den, st, pc, pkt); if (den && num) { duration = (AVRational) {num, den}; pkt->duration = av_rescale_rnd(1, num * (int64_t) st->time_base.den, den * (int64_t) st->time_base.num, AV_ROUND_DOWN); } } if (pkt->duration != 0 && (s->packet_buffer || s->parse_queue)) update_initial_durations(s, st, pkt->stream_index, pkt->duration); /* Correct timestamps with byte offset if demuxers only have timestamps * on packet boundaries */ if (pc && st->need_parsing == AVSTREAM_PARSE_TIMESTAMPS && pkt->size) { /* this will estimate bitrate based on this frame's duration and size */ offset = av_rescale(pc->offset, pkt->duration, pkt->size); if (pkt->pts != AV_NOPTS_VALUE) pkt->pts += offset; if (pkt->dts != AV_NOPTS_VALUE) pkt->dts += offset; } /* This may be redundant, but it should not hurt. */ if (pkt->dts != AV_NOPTS_VALUE && pkt->pts != AV_NOPTS_VALUE && pkt->pts > pkt->dts) presentation_delayed = 1; av_dlog(NULL, "IN delayed:%d pts:%s, dts:%s cur_dts:%s st:%d pc:%p duration:%d delay:%d onein_oneout:%d\n", presentation_delayed, av_ts2str(pkt->pts), av_ts2str(pkt->dts), av_ts2str(st->cur_dts), pkt->stream_index, pc, pkt->duration, delay, onein_oneout); /* Interpolate PTS and DTS if they are not present. We skip H264 * currently because delay and has_b_frames are not reliably set. */ if ((delay == 0 || (delay == 1 && pc)) && onein_oneout) { if (presentation_delayed) { /* DTS = decompression timestamp */ /* PTS = presentation timestamp */ if (pkt->dts == AV_NOPTS_VALUE) pkt->dts = st->last_IP_pts; update_initial_timestamps(s, pkt->stream_index, pkt->dts, pkt->pts, pkt); if (pkt->dts == AV_NOPTS_VALUE) pkt->dts = st->cur_dts; /* This is tricky: the dts must be incremented by the duration * of the frame we are displaying, i.e. the last I- or P-frame. */ if (st->last_IP_duration == 0) st->last_IP_duration = pkt->duration; if (pkt->dts != AV_NOPTS_VALUE) st->cur_dts = pkt->dts + st->last_IP_duration; if (pkt->dts != AV_NOPTS_VALUE && pkt->pts == AV_NOPTS_VALUE && st->last_IP_duration > 0 && (st->cur_dts - next_dts) <= 1 && next_dts != next_pts && next_pts != AV_NOPTS_VALUE) pkt->pts = next_dts; st->last_IP_duration = pkt->duration; st->last_IP_pts = pkt->pts; /* Cannot compute PTS if not present (we can compute it only * by knowing the future. */ } else if (pkt->pts != AV_NOPTS_VALUE || pkt->dts != AV_NOPTS_VALUE || pkt->duration ) { /* presentation is not delayed : PTS and DTS are the same */ if (pkt->pts == AV_NOPTS_VALUE) pkt->pts = pkt->dts; update_initial_timestamps(s, pkt->stream_index, pkt->pts, pkt->pts, pkt); if (pkt->pts == AV_NOPTS_VALUE) pkt->pts = st->cur_dts; pkt->dts = pkt->pts; if (pkt->pts != AV_NOPTS_VALUE) st->cur_dts = av_add_stable(st->time_base, pkt->pts, duration, 1); } } if (pkt->pts != AV_NOPTS_VALUE && delay <= MAX_REORDER_DELAY && has_decode_delay_been_guessed(st)) { st->pts_buffer[0] = pkt->pts; for (i = 0; i<delay && st->pts_buffer[i] > st->pts_buffer[i + 1]; i++) FFSWAP(int64_t, st->pts_buffer[i], st->pts_buffer[i + 1]); pkt->dts = select_from_pts_buffer(st, st->pts_buffer, pkt->dts); } // We skipped it above so we try here. if (!onein_oneout) // This should happen on the first packet update_initial_timestamps(s, pkt->stream_index, pkt->dts, pkt->pts, pkt); if (pkt->dts > st->cur_dts) st->cur_dts = pkt->dts; av_dlog(NULL, "OUTdelayed:%d/%d pts:%s, dts:%s cur_dts:%s\n", presentation_delayed, delay, av_ts2str(pkt->pts), av_ts2str(pkt->dts), av_ts2str(st->cur_dts)); /* update flags */ if (is_intra_only(st->codec)) pkt->flags |= AV_PKT_FLAG_KEY; if (pc) pkt->convergence_duration = pc->convergence_duration; } | 22,593 |
1 | static inline int vertClassify_altivec(uint8_t src[], int stride, PPContext *c) { /* this code makes no assumption on src or stride. One could remove the recomputation of the perm vector by assuming (stride % 16) == 0, unfortunately this is not always true. */ DECLARE_ALIGNED(16, short, data)[8] = { ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1, data[0] * 2 + 1, c->QP * 2, c->QP * 4 }; int numEq; uint8_t *src2 = src; vector signed short v_dcOffset; vector signed short v2QP; vector unsigned short v4QP; vector unsigned short v_dcThreshold; const int properStride = (stride % 16); const int srcAlign = ((unsigned long)src2 % 16); const int two_vectors = ((srcAlign > 8) || properStride) ? 1 : 0; const vector signed int zero = vec_splat_s32(0); const vector signed short mask = vec_splat_s16(1); vector signed int v_numEq = vec_splat_s32(0); vector signed short v_data = vec_ld(0, data); vector signed short v_srcAss0, v_srcAss1, v_srcAss2, v_srcAss3, v_srcAss4, v_srcAss5, v_srcAss6, v_srcAss7; //FIXME avoid this mess if possible register int j0 = 0, j1 = stride, j2 = 2 * stride, j3 = 3 * stride, j4 = 4 * stride, j5 = 5 * stride, j6 = 6 * stride, j7 = 7 * stride; vector unsigned char v_srcA0, v_srcA1, v_srcA2, v_srcA3, v_srcA4, v_srcA5, v_srcA6, v_srcA7; v_dcOffset = vec_splat(v_data, 0); v_dcThreshold = (vector unsigned short)vec_splat(v_data, 1); v2QP = vec_splat(v_data, 2); v4QP = (vector unsigned short)vec_splat(v_data, 3); src2 += stride * 4; #define LOAD_LINE(i) \ { \ vector unsigned char perm##i = vec_lvsl(j##i, src2); \ vector unsigned char v_srcA2##i; \ vector unsigned char v_srcA1##i = vec_ld(j##i, src2); \ if (two_vectors) \ v_srcA2##i = vec_ld(j##i + 16, src2); \ v_srcA##i = \ vec_perm(v_srcA1##i, v_srcA2##i, perm##i); \ v_srcAss##i = \ (vector signed short)vec_mergeh((vector signed char)zero, \ (vector signed char)v_srcA##i); } #define LOAD_LINE_ALIGNED(i) \ v_srcA##i = vec_ld(j##i, src2); \ v_srcAss##i = \ (vector signed short)vec_mergeh((vector signed char)zero, \ (vector signed char)v_srcA##i) /* Special-casing the aligned case is worthwhile, as all calls from * the (transposed) horizontable deblocks will be aligned, in addition * to the naturally aligned vertical deblocks. */ if (properStride && srcAlign) { LOAD_LINE_ALIGNED(0); LOAD_LINE_ALIGNED(1); LOAD_LINE_ALIGNED(2); LOAD_LINE_ALIGNED(3); LOAD_LINE_ALIGNED(4); LOAD_LINE_ALIGNED(5); LOAD_LINE_ALIGNED(6); LOAD_LINE_ALIGNED(7); } else { LOAD_LINE(0); LOAD_LINE(1); LOAD_LINE(2); LOAD_LINE(3); LOAD_LINE(4); LOAD_LINE(5); LOAD_LINE(6); LOAD_LINE(7); } #undef LOAD_LINE #undef LOAD_LINE_ALIGNED #define ITER(i, j) \ const vector signed short v_diff##i = \ vec_sub(v_srcAss##i, v_srcAss##j); \ const vector signed short v_sum##i = \ vec_add(v_diff##i, v_dcOffset); \ const vector signed short v_comp##i = \ (vector signed short)vec_cmplt((vector unsigned short)v_sum##i, \ v_dcThreshold); \ const vector signed short v_part##i = vec_and(mask, v_comp##i); { ITER(0, 1) ITER(1, 2) ITER(2, 3) ITER(3, 4) ITER(4, 5) ITER(5, 6) ITER(6, 7) v_numEq = vec_sum4s(v_part0, v_numEq); v_numEq = vec_sum4s(v_part1, v_numEq); v_numEq = vec_sum4s(v_part2, v_numEq); v_numEq = vec_sum4s(v_part3, v_numEq); v_numEq = vec_sum4s(v_part4, v_numEq); v_numEq = vec_sum4s(v_part5, v_numEq); v_numEq = vec_sum4s(v_part6, v_numEq); } #undef ITER v_numEq = vec_sums(v_numEq, zero); v_numEq = vec_splat(v_numEq, 3); vec_ste(v_numEq, 0, &numEq); if (numEq > c->ppMode.flatnessThreshold){ const vector unsigned char mmoP1 = (const vector unsigned char) {0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x00, 0x01, 0x12, 0x13, 0x08, 0x09, 0x1A, 0x1B}; const vector unsigned char mmoP2 = (const vector unsigned char) {0x04, 0x05, 0x16, 0x17, 0x0C, 0x0D, 0x1E, 0x1F, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f}; const vector unsigned char mmoP = (const vector unsigned char) vec_lvsl(8, (unsigned char*)0); vector signed short mmoL1 = vec_perm(v_srcAss0, v_srcAss2, mmoP1); vector signed short mmoL2 = vec_perm(v_srcAss4, v_srcAss6, mmoP2); vector signed short mmoL = vec_perm(mmoL1, mmoL2, mmoP); vector signed short mmoR1 = vec_perm(v_srcAss5, v_srcAss7, mmoP1); vector signed short mmoR2 = vec_perm(v_srcAss1, v_srcAss3, mmoP2); vector signed short mmoR = vec_perm(mmoR1, mmoR2, mmoP); vector signed short mmoDiff = vec_sub(mmoL, mmoR); vector unsigned short mmoSum = (vector unsigned short)vec_add(mmoDiff, v2QP); if (vec_any_gt(mmoSum, v4QP)) return 0; else return 1; } else return 2; } | 22,594 |
1 | static int vaapi_vc1_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size) { VC1Context * const v = avctx->priv_data; MpegEncContext * const s = &v->s; struct vaapi_context * const vactx = avctx->hwaccel_context; VAPictureParameterBufferVC1 *pic_param; av_dlog(avctx, "vaapi_vc1_start_frame()\n"); vactx->slice_param_size = sizeof(VASliceParameterBufferVC1); /* Fill in VAPictureParameterBufferVC1 */ pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VAPictureParameterBufferVC1)); if (!pic_param) return -1; pic_param->forward_reference_picture = VA_INVALID_ID; pic_param->backward_reference_picture = VA_INVALID_ID; pic_param->inloop_decoded_picture = VA_INVALID_ID; pic_param->sequence_fields.value = 0; /* reset all bits */ pic_param->sequence_fields.bits.pulldown = v->broadcast; pic_param->sequence_fields.bits.interlace = v->interlace; pic_param->sequence_fields.bits.tfcntrflag = v->tfcntrflag; pic_param->sequence_fields.bits.finterpflag = v->finterpflag; pic_param->sequence_fields.bits.psf = v->psf; pic_param->sequence_fields.bits.multires = v->multires; pic_param->sequence_fields.bits.overlap = v->overlap; pic_param->sequence_fields.bits.syncmarker = v->resync_marker; pic_param->sequence_fields.bits.rangered = v->rangered; pic_param->sequence_fields.bits.max_b_frames = s->avctx->max_b_frames; #if VA_CHECK_VERSION(0,32,0) pic_param->sequence_fields.bits.profile = v->profile; #endif pic_param->coded_width = s->avctx->coded_width; pic_param->coded_height = s->avctx->coded_height; pic_param->entrypoint_fields.value = 0; /* reset all bits */ pic_param->entrypoint_fields.bits.broken_link = v->broken_link; pic_param->entrypoint_fields.bits.closed_entry = v->closed_entry; pic_param->entrypoint_fields.bits.panscan_flag = v->panscanflag; pic_param->entrypoint_fields.bits.loopfilter = s->loop_filter; pic_param->conditional_overlap_flag = v->condover; pic_param->fast_uvmc_flag = v->fastuvmc; pic_param->range_mapping_fields.value = 0; /* reset all bits */ pic_param->range_mapping_fields.bits.luma_flag = v->range_mapy_flag; pic_param->range_mapping_fields.bits.luma = v->range_mapy; pic_param->range_mapping_fields.bits.chroma_flag = v->range_mapuv_flag; pic_param->range_mapping_fields.bits.chroma = v->range_mapuv; pic_param->b_picture_fraction = v->bfraction_lut_index; pic_param->cbp_table = v->cbpcy_vlc ? v->cbpcy_vlc - ff_vc1_cbpcy_p_vlc : 0; pic_param->mb_mode_table = 0; /* XXX: interlaced frame */ pic_param->range_reduction_frame = v->rangeredfrm; pic_param->rounding_control = v->rnd; pic_param->post_processing = v->postproc; pic_param->picture_resolution_index = v->respic; pic_param->luma_scale = v->lumscale; pic_param->luma_shift = v->lumshift; pic_param->picture_fields.value = 0; /* reset all bits */ pic_param->picture_fields.bits.picture_type = vc1_get_PTYPE(v); pic_param->picture_fields.bits.frame_coding_mode = v->fcm; pic_param->picture_fields.bits.top_field_first = v->tff; pic_param->picture_fields.bits.is_first_field = v->fcm == 0; /* XXX: interlaced frame */ pic_param->picture_fields.bits.intensity_compensation = v->mv_mode == MV_PMODE_INTENSITY_COMP; pic_param->raw_coding.value = 0; /* reset all bits */ pic_param->raw_coding.flags.mv_type_mb = v->mv_type_is_raw; pic_param->raw_coding.flags.direct_mb = v->dmb_is_raw; pic_param->raw_coding.flags.skip_mb = v->skip_is_raw; pic_param->raw_coding.flags.field_tx = 0; /* XXX: interlaced frame */ pic_param->raw_coding.flags.forward_mb = 0; /* XXX: interlaced frame */ pic_param->raw_coding.flags.ac_pred = v->acpred_is_raw; pic_param->raw_coding.flags.overflags = v->overflg_is_raw; pic_param->bitplane_present.value = 0; /* reset all bits */ pic_param->bitplane_present.flags.bp_mv_type_mb = vc1_has_MVTYPEMB_bitplane(v); pic_param->bitplane_present.flags.bp_direct_mb = vc1_has_DIRECTMB_bitplane(v); pic_param->bitplane_present.flags.bp_skip_mb = vc1_has_SKIPMB_bitplane(v); pic_param->bitplane_present.flags.bp_field_tx = 0; /* XXX: interlaced frame */ pic_param->bitplane_present.flags.bp_forward_mb = 0; /* XXX: interlaced frame */ pic_param->bitplane_present.flags.bp_ac_pred = vc1_has_ACPRED_bitplane(v); pic_param->bitplane_present.flags.bp_overflags = vc1_has_OVERFLAGS_bitplane(v); pic_param->reference_fields.value = 0; /* reset all bits */ pic_param->reference_fields.bits.reference_distance_flag = v->refdist_flag; pic_param->reference_fields.bits.reference_distance = 0; /* XXX: interlaced frame */ pic_param->reference_fields.bits.num_reference_pictures = 0; /* XXX: interlaced frame */ pic_param->reference_fields.bits.reference_field_pic_indicator = 0; /* XXX: interlaced frame */ pic_param->mv_fields.value = 0; /* reset all bits */ pic_param->mv_fields.bits.mv_mode = vc1_get_MVMODE(v); pic_param->mv_fields.bits.mv_mode2 = vc1_get_MVMODE2(v); pic_param->mv_fields.bits.mv_table = s->mv_table_index; pic_param->mv_fields.bits.two_mv_block_pattern_table = 0; /* XXX: interlaced frame */ pic_param->mv_fields.bits.four_mv_switch = 0; /* XXX: interlaced frame */ pic_param->mv_fields.bits.four_mv_block_pattern_table = 0; /* XXX: interlaced frame */ pic_param->mv_fields.bits.extended_mv_flag = v->extended_mv; pic_param->mv_fields.bits.extended_mv_range = v->mvrange; pic_param->mv_fields.bits.extended_dmv_flag = v->extended_dmv; pic_param->mv_fields.bits.extended_dmv_range = 0; /* XXX: interlaced frame */ pic_param->pic_quantizer_fields.value = 0; /* reset all bits */ pic_param->pic_quantizer_fields.bits.dquant = v->dquant; pic_param->pic_quantizer_fields.bits.quantizer = v->quantizer_mode; pic_param->pic_quantizer_fields.bits.half_qp = v->halfpq; pic_param->pic_quantizer_fields.bits.pic_quantizer_scale = v->pq; pic_param->pic_quantizer_fields.bits.pic_quantizer_type = v->pquantizer; pic_param->pic_quantizer_fields.bits.dq_frame = v->dquantfrm; pic_param->pic_quantizer_fields.bits.dq_profile = v->dqprofile; pic_param->pic_quantizer_fields.bits.dq_sb_edge = v->dqprofile == DQPROFILE_SINGLE_EDGE ? v->dqsbedge : 0; pic_param->pic_quantizer_fields.bits.dq_db_edge = v->dqprofile == DQPROFILE_DOUBLE_EDGES ? v->dqsbedge : 0; pic_param->pic_quantizer_fields.bits.dq_binary_level = v->dqbilevel; pic_param->pic_quantizer_fields.bits.alt_pic_quantizer = v->altpq; pic_param->transform_fields.value = 0; /* reset all bits */ pic_param->transform_fields.bits.variable_sized_transform_flag = v->vstransform; pic_param->transform_fields.bits.mb_level_transform_type_flag = v->ttmbf; pic_param->transform_fields.bits.frame_level_transform_type = vc1_get_TTFRM(v); pic_param->transform_fields.bits.transform_ac_codingset_idx1 = v->c_ac_table_index; pic_param->transform_fields.bits.transform_ac_codingset_idx2 = v->y_ac_table_index; pic_param->transform_fields.bits.intra_transform_dc_table = v->s.dc_table_index; switch (s->pict_type) { case AV_PICTURE_TYPE_B: pic_param->backward_reference_picture = ff_vaapi_get_surface_id(&s->next_picture.f); // fall-through case AV_PICTURE_TYPE_P: pic_param->forward_reference_picture = ff_vaapi_get_surface_id(&s->last_picture.f); break; } if (pic_param->bitplane_present.value) { uint8_t *bitplane; const uint8_t *ff_bp[3]; int x, y, n; switch (s->pict_type) { case AV_PICTURE_TYPE_P: ff_bp[0] = pic_param->bitplane_present.flags.bp_direct_mb ? v->direct_mb_plane : NULL; ff_bp[1] = pic_param->bitplane_present.flags.bp_skip_mb ? s->mbskip_table : NULL; ff_bp[2] = pic_param->bitplane_present.flags.bp_mv_type_mb ? v->mv_type_mb_plane : NULL; break; case AV_PICTURE_TYPE_B: if (!v->bi_type) { ff_bp[0] = pic_param->bitplane_present.flags.bp_direct_mb ? v->direct_mb_plane : NULL; ff_bp[1] = pic_param->bitplane_present.flags.bp_skip_mb ? s->mbskip_table : NULL; ff_bp[2] = NULL; /* XXX: interlaced frame (FORWARD plane) */ break; } /* fall-through (BI-type) */ case AV_PICTURE_TYPE_I: ff_bp[0] = NULL; /* XXX: interlaced frame (FIELDTX plane) */ ff_bp[1] = pic_param->bitplane_present.flags.bp_ac_pred ? v->acpred_plane : NULL; ff_bp[2] = pic_param->bitplane_present.flags.bp_overflags ? v->over_flags_plane : NULL; break; default: ff_bp[0] = NULL; ff_bp[1] = NULL; ff_bp[2] = NULL; break; } bitplane = ff_vaapi_alloc_bitplane(vactx, (s->mb_width * s->mb_height + 1) / 2); if (!bitplane) return -1; n = 0; for (y = 0; y < s->mb_height; y++) for (x = 0; x < s->mb_width; x++, n++) vc1_pack_bitplanes(bitplane, n, ff_bp, x, y, s->mb_stride); if (n & 1) /* move last nibble to the high order */ bitplane[n/2] <<= 4; } return 0; } | 22,595 |
1 | static int dxv_decompress_raw(AVCodecContext *avctx) { DXVContext *ctx = avctx->priv_data; GetByteContext *gbc = &ctx->gbc; bytestream2_get_buffer(gbc, ctx->tex_data, ctx->tex_size); return 0; } | 22,596 |
1 | static int of_dpa_cmd_group_add(OfDpa *of_dpa, uint32_t group_id, RockerTlv **group_tlvs) { OfDpaGroup *group = of_dpa_group_find(of_dpa, group_id); int err; if (group) { return -ROCKER_EEXIST; } group = of_dpa_group_alloc(group_id); if (!group) { return -ROCKER_ENOMEM; } err = of_dpa_cmd_group_do(of_dpa, group_id, group, group_tlvs); if (err) { goto err_cmd_add; } err = of_dpa_group_add(of_dpa, group); if (err) { goto err_cmd_add; } return ROCKER_OK; err_cmd_add: g_free(group); return err; } | 22,598 |
0 | static int mxf_read_local_tags(MXFContext *mxf, KLVPacket *klv, int (*read_child)(), int ctx_size, enum MXFMetadataSetType type) { ByteIOContext *pb = mxf->fc->pb; MXFMetadataSet *ctx = ctx_size ? av_mallocz(ctx_size) : mxf; uint64_t klv_end = url_ftell(pb) + klv->length; if (!ctx) return -1; while (url_ftell(pb) + 4 < klv_end) { int tag = get_be16(pb); int size = get_be16(pb); /* KLV specified by 0x53 */ uint64_t next = url_ftell(pb) + size; UID uid; if (!size) { /* ignore empty tag, needed for some files with empty UMID tag */ av_log(mxf->fc, AV_LOG_ERROR, "local tag 0x%04X with 0 size\n", tag); continue; } if (tag > 0x7FFF) { /* dynamic tag */ int i; for (i = 0; i < mxf->local_tags_count; i++) { int local_tag = AV_RB16(mxf->local_tags+i*18); if (local_tag == tag) { memcpy(uid, mxf->local_tags+i*18+2, 16); dprintf(mxf->fc, "local tag 0x%04X\n", local_tag); #ifdef DEBUG PRINT_KEY(mxf->fc, "uid", uid); #endif } } } if (ctx_size && tag == 0x3C0A) get_buffer(pb, ctx->uid, 16); else read_child(ctx, pb, tag, size, uid); url_fseek(pb, next, SEEK_SET); } if (ctx_size) ctx->type = type; return ctx_size ? mxf_add_metadata_set(mxf, ctx) : 0; } | 22,599 |
0 | static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, int *got_packet) { X264Context *x4 = ctx->priv_data; x264_nal_t *nal; int nnal, i, ret; x264_picture_t pic_out = {0}; int pict_type; x264_picture_init( &x4->pic ); x4->pic.img.i_csp = x4->params.i_csp; if (x264_bit_depth > 8) x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH; x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt); if (frame) { for (i = 0; i < x4->pic.img.i_plane; i++) { x4->pic.img.plane[i] = frame->data[i]; x4->pic.img.i_stride[i] = frame->linesize[i]; } x4->pic.i_pts = frame->pts; switch (frame->pict_type) { case AV_PICTURE_TYPE_I: x4->pic.i_type = x4->forced_idr > 0 ? X264_TYPE_IDR : X264_TYPE_KEYFRAME; break; case AV_PICTURE_TYPE_P: x4->pic.i_type = X264_TYPE_P; break; case AV_PICTURE_TYPE_B: x4->pic.i_type = X264_TYPE_B; break; default: x4->pic.i_type = X264_TYPE_AUTO; break; } reconfig_encoder(ctx, frame); if (x4->a53_cc) { void *sei_data; size_t sei_size; ret = ff_alloc_a53_sei(frame, 0, &sei_data, &sei_size); if (ret < 0) { av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n"); } else if (sei_data) { x4->pic.extra_sei.payloads = av_mallocz(sizeof(x4->pic.extra_sei.payloads[0])); if (x4->pic.extra_sei.payloads == NULL) { av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n"); av_free(sei_data); } else { x4->pic.extra_sei.sei_free = av_free; x4->pic.extra_sei.payloads[0].payload_size = sei_size; x4->pic.extra_sei.payloads[0].payload = sei_data; x4->pic.extra_sei.num_payloads = 1; x4->pic.extra_sei.payloads[0].payload_type = 4; } } } } do { if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0) return AVERROR_EXTERNAL; ret = encode_nals(ctx, pkt, nal, nnal); if (ret < 0) return ret; } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc)); pkt->pts = pic_out.i_pts; pkt->dts = pic_out.i_dts; switch (pic_out.i_type) { case X264_TYPE_IDR: case X264_TYPE_I: pict_type = AV_PICTURE_TYPE_I; break; case X264_TYPE_P: pict_type = AV_PICTURE_TYPE_P; break; case X264_TYPE_B: case X264_TYPE_BREF: pict_type = AV_PICTURE_TYPE_B; break; default: pict_type = AV_PICTURE_TYPE_NONE; } #if FF_API_CODED_FRAME FF_DISABLE_DEPRECATION_WARNINGS ctx->coded_frame->pict_type = pict_type; FF_ENABLE_DEPRECATION_WARNINGS #endif pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe; if (ret) { ff_side_data_set_encoder_stats(pkt, (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA, NULL, 0, pict_type); #if FF_API_CODED_FRAME FF_DISABLE_DEPRECATION_WARNINGS ctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA; FF_ENABLE_DEPRECATION_WARNINGS #endif } *got_packet = ret; return 0; } | 22,602 |
0 | int flv_h263_decode_picture_header(MpegEncContext *s) { int format, width, height; /* picture header */ if (get_bits_long(&s->gb, 17) != 1) { av_log(s->avctx, AV_LOG_ERROR, "Bad picture start code\n"); return -1; } format = get_bits(&s->gb, 5); if (format != 0 && format != 1) { av_log(s->avctx, AV_LOG_ERROR, "Bad picture format\n"); return -1; } s->h263_flv = format+1; s->picture_number = get_bits(&s->gb, 8); /* picture timestamp */ format = get_bits(&s->gb, 3); switch (format) { case 0: width = get_bits(&s->gb, 8); height = get_bits(&s->gb, 8); break; case 1: width = get_bits(&s->gb, 16); height = get_bits(&s->gb, 16); break; case 2: width = 352; height = 288; break; case 3: width = 176; height = 144; break; case 4: width = 128; height = 96; break; case 5: width = 320; height = 240; break; case 6: width = 160; height = 120; break; default: width = height = 0; break; } if ((width == 0) || (height == 0)) return -1; s->width = width; s->height = height; s->pict_type = I_TYPE + get_bits(&s->gb, 2); if (s->pict_type > P_TYPE) s->pict_type = P_TYPE; skip_bits1(&s->gb); /* deblocking flag */ s->qscale = get_bits(&s->gb, 5); s->h263_plus = 0; s->unrestricted_mv = 1; s->h263_long_vectors = 0; /* PEI */ while (get_bits1(&s->gb) != 0) { skip_bits(&s->gb, 8); } s->f_code = 1; if(s->avctx->debug & FF_DEBUG_PICT_INFO){ av_log(s->avctx, AV_LOG_DEBUG, "%c esc_type:%d, qp:%d num:%d\n", av_get_pict_type_char(s->pict_type), s->h263_flv-1, s->qscale, s->picture_number); } s->y_dc_scale_table= s->c_dc_scale_table= ff_mpeg1_dc_scale_table; return 0; } | 22,603 |
1 | static void pci_msix(void) { QVirtioPCIDevice *dev; QPCIBus *bus; QVirtQueuePCI *vqpci; QGuestAllocator *alloc; QVirtioBlkReq req; int n_size = TEST_IMAGE_SIZE / 2; void *addr; uint64_t req_addr; uint64_t capacity; uint32_t features; uint32_t free_head; uint8_t status; char *data; bus = pci_test_start(); alloc = pc_alloc_init(); dev = virtio_blk_pci_init(bus, PCI_SLOT); qpci_msix_enable(dev->pdev); qvirtio_pci_set_msix_configuration_vector(dev, alloc, 0); /* MSI-X is enabled */ addr = dev->addr + VIRTIO_PCI_CONFIG_OFF(true); capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, (uint64_t)(uintptr_t)addr); g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512); features = qvirtio_get_features(&qvirtio_pci, &dev->vdev); features = features & ~(QVIRTIO_F_BAD_FEATURE | (1u << VIRTIO_RING_F_INDIRECT_DESC) | (1u << VIRTIO_RING_F_EVENT_IDX) | (1u << VIRTIO_BLK_F_SCSI)); qvirtio_set_features(&qvirtio_pci, &dev->vdev, features); vqpci = (QVirtQueuePCI *)qvirtqueue_setup(&qvirtio_pci, &dev->vdev, alloc, 0); qvirtqueue_pci_msix_setup(dev, vqpci, alloc, 1); qvirtio_set_driver_ok(&qvirtio_pci, &dev->vdev); qmp("{ 'execute': 'block_resize', 'arguments': { 'device': 'drive0', " " 'size': %d } }", n_size); qvirtio_wait_config_isr(&qvirtio_pci, &dev->vdev, QVIRTIO_BLK_TIMEOUT_US); capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, (uint64_t)(uintptr_t)addr); g_assert_cmpint(capacity, ==, n_size / 512); /* Write request */ req.type = VIRTIO_BLK_T_OUT; req.ioprio = 1; req.sector = 0; req.data = g_malloc0(512); strcpy(req.data, "TEST"); req_addr = virtio_blk_request(alloc, &req, 512); g_free(req.data); free_head = qvirtqueue_add(&vqpci->vq, req_addr, 16, false, true); qvirtqueue_add(&vqpci->vq, req_addr + 16, 512, false, true); qvirtqueue_add(&vqpci->vq, req_addr + 528, 1, true, false); qvirtqueue_kick(&qvirtio_pci, &dev->vdev, &vqpci->vq, free_head); qvirtio_wait_queue_isr(&qvirtio_pci, &dev->vdev, &vqpci->vq, QVIRTIO_BLK_TIMEOUT_US); status = readb(req_addr + 528); g_assert_cmpint(status, ==, 0); guest_free(alloc, req_addr); /* Read request */ req.type = VIRTIO_BLK_T_IN; req.ioprio = 1; req.sector = 0; req.data = g_malloc0(512); req_addr = virtio_blk_request(alloc, &req, 512); g_free(req.data); free_head = qvirtqueue_add(&vqpci->vq, req_addr, 16, false, true); qvirtqueue_add(&vqpci->vq, req_addr + 16, 512, true, true); qvirtqueue_add(&vqpci->vq, req_addr + 528, 1, true, false); qvirtqueue_kick(&qvirtio_pci, &dev->vdev, &vqpci->vq, free_head); qvirtio_wait_queue_isr(&qvirtio_pci, &dev->vdev, &vqpci->vq, QVIRTIO_BLK_TIMEOUT_US); status = readb(req_addr + 528); g_assert_cmpint(status, ==, 0); data = g_malloc0(512); memread(req_addr + 16, data, 512); g_assert_cmpstr(data, ==, "TEST"); g_free(data); guest_free(alloc, req_addr); /* End test */ guest_free(alloc, vqpci->vq.desc); pc_alloc_uninit(alloc); qpci_msix_disable(dev->pdev); qvirtio_pci_device_disable(dev); g_free(dev); qpci_free_pc(bus); test_end(); } | 22,604 |
1 | static void test_co_queue(void) { Coroutine *c1; Coroutine *c2; c1 = qemu_coroutine_create(c1_fn); c2 = qemu_coroutine_create(c2_fn); qemu_coroutine_enter(c1, c2); memset(c1, 0xff, sizeof(Coroutine)); qemu_coroutine_enter(c2, NULL); } | 22,605 |
1 | static int libopenjpeg_copy_unpacked8(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image) { int compno; int x; int y; int width; int height; int *image_line; int frame_index; const int numcomps = image->numcomps; for (compno = 0; compno < numcomps; ++compno) { if (image->comps[compno].w > frame->linesize[compno]) { av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n"); return 0; } } for (compno = 0; compno < numcomps; ++compno) { width = avctx->width / image->comps[compno].dx; height = avctx->height / image->comps[compno].dy; for (y = 0; y < height; ++y) { image_line = image->comps[compno].data + y * image->comps[compno].w; frame_index = y * frame->linesize[compno]; for (x = 0; x < width; ++x) image_line[x] = frame->data[compno][frame_index++]; for (; x < image->comps[compno].w; ++x) { image_line[x] = image_line[x - 1]; } } for (; y < image->comps[compno].h; ++y) { image_line = image->comps[compno].data + y * image->comps[compno].w; for (x = 0; x < image->comps[compno].w; ++x) { image_line[x] = image_line[x - image->comps[compno].w]; } } } return 1; } | 22,606 |
1 | static int url_alloc_for_protocol(URLContext **puc, struct URLProtocol *up, const char *filename, int flags, const AVIOInterruptCB *int_cb) { URLContext *uc; int err; #if CONFIG_NETWORK if (up->flags & URL_PROTOCOL_FLAG_NETWORK && !ff_network_init()) return AVERROR(EIO); #endif if ((flags & AVIO_FLAG_READ) && !up->url_read) { av_log(NULL, AV_LOG_ERROR, "Impossible to open the '%s' protocol for reading\n", up->name); return AVERROR(EIO); } if ((flags & AVIO_FLAG_WRITE) && !up->url_write) { av_log(NULL, AV_LOG_ERROR, "Impossible to open the '%s' protocol for writing\n", up->name); return AVERROR(EIO); } uc = av_mallocz(sizeof(URLContext) + strlen(filename) + 1); if (!uc) { err = AVERROR(ENOMEM); goto fail; } uc->av_class = &ffurl_context_class; uc->filename = (char *)&uc[1]; strcpy(uc->filename, filename); uc->prot = up; uc->flags = flags; uc->is_streamed = 0; /* default = not streamed */ uc->max_packet_size = 0; /* default: stream file */ if (up->priv_data_size) { uc->priv_data = av_mallocz(up->priv_data_size); if (!uc->priv_data) { err = AVERROR(ENOMEM); goto fail; } if (up->priv_data_class) { int proto_len= strlen(up->name); char *start = strchr(uc->filename, ','); *(const AVClass **)uc->priv_data = up->priv_data_class; av_opt_set_defaults(uc->priv_data); if(!strncmp(up->name, uc->filename, proto_len) && uc->filename + proto_len == start){ int ret= 0; char *p= start; char sep= *++p; char *key, *val; p++; while(ret >= 0 && (key= strchr(p, sep)) && p<key && (val = strchr(key+1, sep))){ *val= *key= 0; ret= av_opt_set(uc->priv_data, p, key+1, 0); if (ret == AVERROR_OPTION_NOT_FOUND) av_log(uc, AV_LOG_ERROR, "Key '%s' not found.\n", p); *val= *key= sep; p= val+1; } if(ret<0 || p!=key){ av_log(uc, AV_LOG_ERROR, "Error parsing options string %s\n", start); av_freep(&uc->priv_data); av_freep(&uc); err = AVERROR(EINVAL); goto fail; } memmove(start, key+1, strlen(key)); } } } if (int_cb) uc->interrupt_callback = *int_cb; *puc = uc; return 0; fail: *puc = NULL; if (uc) av_freep(&uc->priv_data); av_freep(&uc); #if CONFIG_NETWORK if (up->flags & URL_PROTOCOL_FLAG_NETWORK) ff_network_close(); #endif return err; } | 22,607 |
1 | void ff_write_pass1_stats(MpegEncContext *s) { snprintf(s->avctx->stats_out, 256, "in:%d out:%d type:%d q:%d itex:%d ptex:%d mv:%d misc:%d " "fcode:%d bcode:%d mc-var:%d var:%d icount:%d skipcount:%d hbits:%d;\n", s->current_picture_ptr->f.display_picture_number, s->current_picture_ptr->f.coded_picture_number, s->pict_type, s->current_picture.f.quality, s->i_tex_bits, s->p_tex_bits, s->mv_bits, s->misc_bits, s->f_code, s->b_code, s->current_picture.mc_mb_var_sum, s->current_picture.mb_var_sum, s->i_count, s->skip_count, s->header_bits); } | 22,608 |
1 | static bool is_zero_cluster(BlockDriverState *bs, int64_t start) { BDRVQcow2State *s = bs->opaque; int nr; BlockDriverState *file; int64_t res = bdrv_get_block_status_above(bs, NULL, start, s->cluster_sectors, &nr, &file); return res >= 0 && ((res & BDRV_BLOCK_ZERO) || !(res & BDRV_BLOCK_DATA)); } | 22,609 |
1 | static int get_cluster_offset(BlockDriverState *bs, VmdkExtent *extent, VmdkMetaData *m_data, uint64_t offset, int allocate, uint64_t *cluster_offset) { unsigned int l1_index, l2_offset, l2_index; int min_index, i, j; uint32_t min_count, *l2_table; bool zeroed = false; if (m_data) { m_data->valid = 0; } if (extent->flat) { *cluster_offset = extent->flat_start_offset; return VMDK_OK; } offset -= (extent->end_sector - extent->sectors) * SECTOR_SIZE; l1_index = (offset >> 9) / extent->l1_entry_sectors; if (l1_index >= extent->l1_size) { return VMDK_ERROR; } l2_offset = extent->l1_table[l1_index]; if (!l2_offset) { return VMDK_UNALLOC; } for (i = 0; i < L2_CACHE_SIZE; i++) { if (l2_offset == extent->l2_cache_offsets[i]) { /* increment the hit count */ if (++extent->l2_cache_counts[i] == 0xffffffff) { for (j = 0; j < L2_CACHE_SIZE; j++) { extent->l2_cache_counts[j] >>= 1; } } l2_table = extent->l2_cache + (i * extent->l2_size); goto found; } } /* not found: load a new entry in the least used one */ min_index = 0; min_count = 0xffffffff; for (i = 0; i < L2_CACHE_SIZE; i++) { if (extent->l2_cache_counts[i] < min_count) { min_count = extent->l2_cache_counts[i]; min_index = i; } } l2_table = extent->l2_cache + (min_index * extent->l2_size); if (bdrv_pread( extent->file, (int64_t)l2_offset * 512, l2_table, extent->l2_size * sizeof(uint32_t) ) != extent->l2_size * sizeof(uint32_t)) { return VMDK_ERROR; } extent->l2_cache_offsets[min_index] = l2_offset; extent->l2_cache_counts[min_index] = 1; found: l2_index = ((offset >> 9) / extent->cluster_sectors) % extent->l2_size; *cluster_offset = le32_to_cpu(l2_table[l2_index]); if (extent->has_zero_grain && *cluster_offset == VMDK_GTE_ZEROED) { zeroed = true; } if (!*cluster_offset || zeroed) { if (!allocate) { return zeroed ? VMDK_ZEROED : VMDK_UNALLOC; } /* Avoid the L2 tables update for the images that have snapshots. */ *cluster_offset = bdrv_getlength(extent->file); if (!extent->compressed) { bdrv_truncate( extent->file, *cluster_offset + (extent->cluster_sectors << 9) ); } *cluster_offset >>= 9; l2_table[l2_index] = cpu_to_le32(*cluster_offset); /* First of all we write grain itself, to avoid race condition * that may to corrupt the image. * This problem may occur because of insufficient space on host disk * or inappropriate VM shutdown. */ if (get_whole_cluster( bs, extent, *cluster_offset, offset, allocate) == -1) { return VMDK_ERROR; } if (m_data) { m_data->offset = *cluster_offset; m_data->l1_index = l1_index; m_data->l2_index = l2_index; m_data->l2_offset = l2_offset; m_data->valid = 1; } } *cluster_offset <<= 9; return VMDK_OK; } | 22,610 |
1 | QPCIBus *qpci_init_spapr(QGuestAllocator *alloc) { QPCIBusSPAPR *ret; ret = g_malloc(sizeof(*ret)); ret->alloc = alloc; ret->bus.io_readb = qpci_spapr_io_readb; ret->bus.io_readw = qpci_spapr_io_readw; ret->bus.io_readl = qpci_spapr_io_readl; ret->bus.io_writeb = qpci_spapr_io_writeb; ret->bus.io_writew = qpci_spapr_io_writew; ret->bus.io_writel = qpci_spapr_io_writel; ret->bus.config_readb = qpci_spapr_config_readb; ret->bus.config_readw = qpci_spapr_config_readw; ret->bus.config_readl = qpci_spapr_config_readl; ret->bus.config_writeb = qpci_spapr_config_writeb; ret->bus.config_writew = qpci_spapr_config_writew; ret->bus.config_writel = qpci_spapr_config_writel; ret->bus.iomap = qpci_spapr_iomap; ret->bus.iounmap = qpci_spapr_iounmap; /* FIXME: We assume the default location of the PHB for now. * Ideally we'd parse the device tree deposited in the guest to * get the window locations */ ret->buid = 0x800000020000000ULL; ret->pio_cpu_base = SPAPR_PCI_WINDOW_BASE + SPAPR_PCI_IO_WIN_OFF; ret->pio.pci_base = 0; ret->pio.size = SPAPR_PCI_IO_WIN_SIZE; /* 32-bit portion of the MMIO window is at PCI address 2..4 GiB */ ret->mmio32_cpu_base = SPAPR_PCI_WINDOW_BASE + SPAPR_PCI_MMIO32_WIN_OFF; ret->mmio32.pci_base = 0x80000000; /* 2 GiB */ ret->mmio32.size = SPAPR_PCI_MMIO32_WIN_SIZE; ret->pci_hole_start = 0xC0000000; ret->pci_hole_size = ret->mmio32.pci_base + ret->mmio32.size - ret->pci_hole_start; ret->pci_hole_alloc = 0; ret->pci_iohole_start = 0xc000; ret->pci_iohole_size = ret->pio.pci_base + ret->pio.size - ret->pci_iohole_start; ret->pci_iohole_alloc = 0; return &ret->bus; } | 22,611 |
1 | static int ff_vp56_decode_mbs(AVCodecContext *avctx, void *data, int jobnr, int threadnr) { VP56Context *s0 = avctx->priv_data; int is_alpha = (jobnr == 1); VP56Context *s = is_alpha ? s0->alpha_context : s0; AVFrame *const p = s->frames[VP56_FRAME_CURRENT]; int mb_row, mb_col, mb_row_flip, mb_offset = 0; int block, y, uv; ptrdiff_t stride_y, stride_uv; int res; int damaged = 0; if (p->key_frame) { p->pict_type = AV_PICTURE_TYPE_I; s->default_models_init(s); for (block=0; block<s->mb_height*s->mb_width; block++) s->macroblocks[block].type = VP56_MB_INTRA; } else { p->pict_type = AV_PICTURE_TYPE_P; vp56_parse_mb_type_models(s); s->parse_vector_models(s); s->mb_type = VP56_MB_INTER_NOVEC_PF; } if (s->parse_coeff_models(s)) goto next; memset(s->prev_dc, 0, sizeof(s->prev_dc)); s->prev_dc[1][VP56_FRAME_CURRENT] = 128; s->prev_dc[2][VP56_FRAME_CURRENT] = 128; for (block=0; block < 4*s->mb_width+6; block++) { s->above_blocks[block].ref_frame = VP56_FRAME_NONE; s->above_blocks[block].dc_coeff = 0; s->above_blocks[block].not_null_dc = 0; } s->above_blocks[2*s->mb_width + 2].ref_frame = VP56_FRAME_CURRENT; s->above_blocks[3*s->mb_width + 4].ref_frame = VP56_FRAME_CURRENT; stride_y = p->linesize[0]; stride_uv = p->linesize[1]; if (s->flip < 0) mb_offset = 7; /* main macroblocks loop */ for (mb_row=0; mb_row<s->mb_height; mb_row++) { if (s->flip < 0) mb_row_flip = s->mb_height - mb_row - 1; else mb_row_flip = mb_row; for (block=0; block<4; block++) { s->left_block[block].ref_frame = VP56_FRAME_NONE; s->left_block[block].dc_coeff = 0; s->left_block[block].not_null_dc = 0; } memset(s->coeff_ctx, 0, sizeof(s->coeff_ctx)); memset(s->coeff_ctx_last, 24, sizeof(s->coeff_ctx_last)); s->above_block_idx[0] = 1; s->above_block_idx[1] = 2; s->above_block_idx[2] = 1; s->above_block_idx[3] = 2; s->above_block_idx[4] = 2*s->mb_width + 2 + 1; s->above_block_idx[5] = 3*s->mb_width + 4 + 1; s->block_offset[s->frbi] = (mb_row_flip*16 + mb_offset) * stride_y; s->block_offset[s->srbi] = s->block_offset[s->frbi] + 8*stride_y; s->block_offset[1] = s->block_offset[0] + 8; s->block_offset[3] = s->block_offset[2] + 8; s->block_offset[4] = (mb_row_flip*8 + mb_offset) * stride_uv; s->block_offset[5] = s->block_offset[4]; for (mb_col=0; mb_col<s->mb_width; mb_col++) { if (!damaged) { int ret = vp56_decode_mb(s, mb_row, mb_col, is_alpha); if (ret < 0) damaged = 1; } if (damaged) vp56_conceal_mb(s, mb_row, mb_col, is_alpha); for (y=0; y<4; y++) { s->above_block_idx[y] += 2; s->block_offset[y] += 16; } for (uv=4; uv<6; uv++) { s->above_block_idx[uv] += 1; s->block_offset[uv] += 8; } } } next: if (p->key_frame || s->golden_frame) { av_frame_unref(s->frames[VP56_FRAME_GOLDEN]); if ((res = av_frame_ref(s->frames[VP56_FRAME_GOLDEN], p)) < 0) return res; } av_frame_unref(s->frames[VP56_FRAME_PREVIOUS]); FFSWAP(AVFrame *, s->frames[VP56_FRAME_CURRENT], s->frames[VP56_FRAME_PREVIOUS]); return 0; } | 22,612 |
Subsets and Splits
No saved queries yet
Save your SQL queries to embed, download, and access them later. Queries will appear here once saved.