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1 | void ff_mpeg_flush(AVCodecContext *avctx){ int i; MpegEncContext *s = avctx->priv_data; if(s==NULL || s->picture==NULL) return; for(i=0; i<MAX_PICTURE_COUNT; i++){ if(s->picture[i].data[0] && ( s->picture[i].type == FF_BUFFER_TYPE_INTERNAL || s->picture[i].type == FF_BUFFER_TYPE_USER)) avctx->release_buffer(avctx, (AVFrame*)&s->picture[i]); } s->current_picture_ptr = s->last_picture_ptr = s->next_picture_ptr = NULL; s->mb_x= s->mb_y= 0; s->parse_context.state= -1; s->parse_context.frame_start_found= 0; s->parse_context.overread= 0; s->parse_context.overread_index= 0; s->parse_context.index= 0; s->parse_context.last_index= 0; s->bitstream_buffer_size=0; } | 24,891 |
1 | void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd) { struct kvm_create_spapr_tce args = { .liobn = liobn, .window_size = window_size, }; long len; int fd; void *table; /* Must set fd to -1 so we don't try to munmap when called for * destroying the table, which the upper layers -will- do */ *pfd = -1; if (!cap_spapr_tce) { return NULL; } fd = kvm_vm_ioctl(kvm_state, KVM_CREATE_SPAPR_TCE, &args); if (fd < 0) { fprintf(stderr, "KVM: Failed to create TCE table for liobn 0x%x\n", liobn); return NULL; } len = (window_size / SPAPR_VIO_TCE_PAGE_SIZE) * sizeof(VIOsPAPR_RTCE); /* FIXME: round this up to page size */ table = mmap(NULL, len, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); if (table == MAP_FAILED) { fprintf(stderr, "KVM: Failed to map TCE table for liobn 0x%x\n", liobn); close(fd); return NULL; } *pfd = fd; return table; } | 24,892 |
1 | long do_rt_sigreturn(CPUM68KState *env) { struct target_rt_sigframe *frame; abi_ulong frame_addr = env->aregs[7] - 4; target_sigset_t target_set; sigset_t set; trace_user_do_rt_sigreturn(env, frame_addr); if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) goto badframe; target_to_host_sigset_internal(&set, &target_set); set_sigmask(&set); /* restore registers */ if (target_rt_restore_ucontext(env, &frame->uc)) goto badframe; if (do_sigaltstack(frame_addr + offsetof(struct target_rt_sigframe, uc.tuc_stack), 0, get_sp_from_cpustate(env)) == -EFAULT) goto badframe; unlock_user_struct(frame, frame_addr, 0); return -TARGET_QEMU_ESIGRETURN; badframe: unlock_user_struct(frame, frame_addr, 0); force_sig(TARGET_SIGSEGV); return 0; } | 24,893 |
1 | static BlockAIOCB *bdrv_co_aio_prw_vector(BdrvChild *child, int64_t offset, QEMUIOVector *qiov, BdrvRequestFlags flags, BlockCompletionFunc *cb, void *opaque, bool is_write) { Coroutine *co; BlockAIOCBCoroutine *acb; /* Matched by bdrv_co_complete's bdrv_dec_in_flight. */ bdrv_inc_in_flight(child->bs); acb = qemu_aio_get(&bdrv_em_co_aiocb_info, child->bs, cb, opaque); acb->child = child; acb->need_bh = true; acb->req.error = -EINPROGRESS; acb->req.offset = offset; acb->req.qiov = qiov; acb->req.flags = flags; acb->is_write = is_write; co = qemu_coroutine_create(bdrv_co_do_rw, acb); qemu_coroutine_enter(co); bdrv_co_maybe_schedule_bh(acb); return &acb->common; } | 24,894 |
1 | static void ahci_port_write(AHCIState *s, int port, int offset, uint32_t val) { AHCIPortRegs *pr = &s->dev[port].port_regs; DPRINTF(port, "offset: 0x%x val: 0x%x\n", offset, val); switch (offset) { case PORT_LST_ADDR: pr->lst_addr = val; map_page(s->as, &s->dev[port].lst, ((uint64_t)pr->lst_addr_hi << 32) | pr->lst_addr, 1024); s->dev[port].cur_cmd = NULL; break; case PORT_LST_ADDR_HI: pr->lst_addr_hi = val; map_page(s->as, &s->dev[port].lst, ((uint64_t)pr->lst_addr_hi << 32) | pr->lst_addr, 1024); s->dev[port].cur_cmd = NULL; break; case PORT_FIS_ADDR: pr->fis_addr = val; map_page(s->as, &s->dev[port].res_fis, ((uint64_t)pr->fis_addr_hi << 32) | pr->fis_addr, 256); break; case PORT_FIS_ADDR_HI: pr->fis_addr_hi = val; map_page(s->as, &s->dev[port].res_fis, ((uint64_t)pr->fis_addr_hi << 32) | pr->fis_addr, 256); break; case PORT_IRQ_STAT: pr->irq_stat &= ~val; ahci_check_irq(s); break; case PORT_IRQ_MASK: pr->irq_mask = val & 0xfdc000ff; ahci_check_irq(s); break; case PORT_CMD: pr->cmd = val & ~(PORT_CMD_LIST_ON | PORT_CMD_FIS_ON); if (pr->cmd & PORT_CMD_START) { pr->cmd |= PORT_CMD_LIST_ON; } if (pr->cmd & PORT_CMD_FIS_RX) { pr->cmd |= PORT_CMD_FIS_ON; } /* XXX usually the FIS would be pending on the bus here and issuing deferred until the OS enables FIS receival. Instead, we only submit it once - which works in most cases, but is a hack. */ if ((pr->cmd & PORT_CMD_FIS_ON) && !s->dev[port].init_d2h_sent) { ahci_init_d2h(&s->dev[port]); s->dev[port].init_d2h_sent = true; } check_cmd(s, port); break; case PORT_TFDATA: s->dev[port].port.ifs[0].error = (val >> 8) & 0xff; s->dev[port].port.ifs[0].status = val & 0xff; break; case PORT_SIG: pr->sig = val; break; case PORT_SCR_STAT: pr->scr_stat = val; break; case PORT_SCR_CTL: if (((pr->scr_ctl & AHCI_SCR_SCTL_DET) == 1) && ((val & AHCI_SCR_SCTL_DET) == 0)) { ahci_reset_port(s, port); } pr->scr_ctl = val; break; case PORT_SCR_ERR: pr->scr_err &= ~val; break; case PORT_SCR_ACT: /* RW1 */ pr->scr_act |= val; break; case PORT_CMD_ISSUE: pr->cmd_issue |= val; check_cmd(s, port); break; default: break; } } | 24,898 |
1 | static int jacosub_read_header(AVFormatContext *s) { AVBPrint header; AVIOContext *pb = s->pb; char line[JSS_MAX_LINESIZE]; JACOsubContext *jacosub = s->priv_data; int shift_set = 0; // only the first shift matters int merge_line = 0; int i, ret; AVStream *st = avformat_new_stream(s, NULL); if (!st) return AVERROR(ENOMEM); avpriv_set_pts_info(st, 64, 1, 100); st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE; st->codec->codec_id = AV_CODEC_ID_JACOSUB; jacosub->timeres = 30; av_bprint_init(&header, 1024+FF_INPUT_BUFFER_PADDING_SIZE, 4096); while (!avio_feof(pb)) { int cmd_len; const char *p = line; int64_t pos = avio_tell(pb); int len = ff_get_line(pb, line, sizeof(line)); p = jss_skip_whitespace(p); /* queue timed line */ if (merge_line || timed_line(p)) { AVPacket *sub; sub = ff_subtitles_queue_insert(&jacosub->q, line, len, merge_line); if (!sub) return AVERROR(ENOMEM); sub->pos = pos; merge_line = len > 1 && !strcmp(&line[len - 2], "\\\n"); continue; } /* skip all non-compiler commands and focus on the command */ if (*p != '#') continue; p++; i = get_jss_cmd(p[0]); if (i == -1) continue; /* trim command + spaces */ cmd_len = strlen(cmds[i]); if (av_strncasecmp(p, cmds[i], cmd_len) == 0) p += cmd_len; else p++; p = jss_skip_whitespace(p); /* handle commands which affect the whole script */ switch (cmds[i][0]) { case 'S': // SHIFT command affect the whole script... if (!shift_set) { jacosub->shift = get_shift(jacosub->timeres, p); shift_set = 1; } av_bprintf(&header, "#S %s", p); break; case 'T': // ...but must be placed after TIMERES jacosub->timeres = strtol(p, NULL, 10); if (!jacosub->timeres) jacosub->timeres = 30; else av_bprintf(&header, "#T %s", p); break; } } /* general/essential directives in the extradata */ ret = avpriv_bprint_to_extradata(st->codec, &header); if (ret < 0) return ret; /* SHIFT and TIMERES affect the whole script so packet timing can only be * done in a second pass */ for (i = 0; i < jacosub->q.nb_subs; i++) { AVPacket *sub = &jacosub->q.subs[i]; read_ts(jacosub, sub->data, &sub->pts, &sub->duration); } ff_subtitles_queue_finalize(&jacosub->q); return 0; } | 24,900 |
0 | static int get_packet_payload_size(AVFormatContext *ctx, int stream_index, int64_t pts, int64_t dts) { MpegMuxContext *s = ctx->priv_data; int buf_index; StreamInfo *stream; stream = ctx->streams[stream_index]->priv_data; buf_index = 0; if (((s->packet_number % s->pack_header_freq) == 0)) { /* pack header size */ if (s->is_mpeg2) buf_index += 14; else buf_index += 12; if (s->is_vcd) { /* there is exactly one system header for each stream in a VCD MPEG, One in the very first video packet and one in the very first audio packet (see VCD standard p. IV-7 and IV-8).*/ if (stream->packet_number==0) /* The system headers refer only to the stream they occur in, so they have a constant size.*/ buf_index += 15; } else { if ((s->packet_number % s->system_header_freq) == 0) buf_index += s->system_header_size; } } if (s->is_vcd && stream->packet_number==0) /* the first pack of each stream contains only the pack header, the system header and some padding (see VCD standard p. IV-6) Add the padding size, so that the actual payload becomes 0.*/ buf_index += s->packet_size - buf_index; else { /* packet header size */ buf_index += 6; if (s->is_mpeg2) buf_index += 3; if (pts != AV_NOPTS_VALUE) { if (dts != pts) buf_index += 5 + 5; else buf_index += 5; } else { if (!s->is_mpeg2) buf_index++; } if (stream->id < 0xc0) { /* AC3/LPCM private data header */ buf_index += 4; if (stream->id >= 0xa0) { int n; buf_index += 3; /* NOTE: we round the payload size to an integer number of LPCM samples */ n = (s->packet_size - buf_index) % stream->lpcm_align; if (n) buf_index += (stream->lpcm_align - n); } } if (s->is_vcd && stream->id == AUDIO_ID) /* The VCD standard demands that 20 zero bytes follow each audio packet (see standard p. IV-8).*/ buf_index+=20; } return s->packet_size - buf_index; } | 24,901 |
1 | ogm_header(AVFormatContext *s, int idx) { struct ogg *ogg = s->priv_data; struct ogg_stream *os = ogg->streams + idx; AVStream *st = s->streams[idx]; const uint8_t *p = os->buf + os->pstart; uint64_t time_unit; uint64_t spu; uint32_t size; if(!(*p & 1)) return 0; if(*p == 1) { p++; if(*p == 'v'){ int tag; st->codec->codec_type = AVMEDIA_TYPE_VIDEO; p += 8; tag = bytestream_get_le32(&p); st->codec->codec_id = ff_codec_get_id(ff_codec_bmp_tags, tag); st->codec->codec_tag = tag; } else if (*p == 't') { st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE; st->codec->codec_id = CODEC_ID_TEXT; p += 12; } else { uint8_t acid[5]; int cid; st->codec->codec_type = AVMEDIA_TYPE_AUDIO; p += 8; bytestream_get_buffer(&p, acid, 4); acid[4] = 0; cid = strtol(acid, NULL, 16); st->codec->codec_id = ff_codec_get_id(ff_codec_wav_tags, cid); // our parser completely breaks AAC in Ogg if (st->codec->codec_id != CODEC_ID_AAC) st->need_parsing = AVSTREAM_PARSE_FULL; } size = bytestream_get_le32(&p); size = FFMIN(size, os->psize); time_unit = bytestream_get_le64(&p); spu = bytestream_get_le64(&p); p += 4; /* default_len */ p += 8; /* buffersize + bits_per_sample */ if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){ st->codec->width = bytestream_get_le32(&p); st->codec->height = bytestream_get_le32(&p); avpriv_set_pts_info(st, 64, time_unit, spu * 10000000); } else { st->codec->channels = bytestream_get_le16(&p); p += 2; /* block_align */ st->codec->bit_rate = bytestream_get_le32(&p) * 8; st->codec->sample_rate = spu * 10000000 / time_unit; avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate); if (size >= 56 && st->codec->codec_id == CODEC_ID_AAC) { p += 4; size -= 4; } if (size > 52) { av_assert0(FF_INPUT_BUFFER_PADDING_SIZE <= 52); size -= 52; st->codec->extradata_size = size; st->codec->extradata = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE); bytestream_get_buffer(&p, st->codec->extradata, size); } } } else if (*p == 3) { if (os->psize > 8) ff_vorbis_comment(s, &st->metadata, p+7, os->psize-8); } return 1; } | 24,904 |
1 | static int ape_decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt) { AVFrame *frame = data; const uint8_t *buf = avpkt->data; APEContext *s = avctx->priv_data; uint8_t *sample8; int16_t *sample16; int32_t *sample24; int i, ch, ret; int blockstodecode; /* this should never be negative, but bad things will happen if it is, so check it just to make sure. */ av_assert0(s->samples >= 0); if(!s->samples){ uint32_t nblocks, offset; int buf_size; if (!avpkt->size) { *got_frame_ptr = 0; return 0; } if (avpkt->size < 8) { av_log(avctx, AV_LOG_ERROR, "Packet is too small\n"); return AVERROR_INVALIDDATA; } buf_size = avpkt->size & ~3; if (buf_size != avpkt->size) { av_log(avctx, AV_LOG_WARNING, "packet size is not a multiple of 4. " "extra bytes at the end will be skipped.\n"); } if (s->fileversion < 3950) // previous versions overread two bytes buf_size += 2; av_fast_malloc(&s->data, &s->data_size, buf_size); if (!s->data) return AVERROR(ENOMEM); s->dsp.bswap_buf((uint32_t*)s->data, (const uint32_t*)buf, buf_size >> 2); memset(s->data + (buf_size & ~3), 0, buf_size & 3); s->ptr = s->data; s->data_end = s->data + buf_size; nblocks = bytestream_get_be32(&s->ptr); offset = bytestream_get_be32(&s->ptr); if (s->fileversion >= 3900) { if (offset > 3) { av_log(avctx, AV_LOG_ERROR, "Incorrect offset passed\n"); s->data = NULL; return AVERROR_INVALIDDATA; } if (s->data_end - s->ptr < offset) { av_log(avctx, AV_LOG_ERROR, "Packet is too small\n"); return AVERROR_INVALIDDATA; } s->ptr += offset; } else { if ((ret = init_get_bits8(&s->gb, s->ptr, s->data_end - s->ptr)) < 0) return ret; if (s->fileversion > 3800) skip_bits_long(&s->gb, offset * 8); else skip_bits_long(&s->gb, offset); } if (!nblocks || nblocks > INT_MAX) { av_log(avctx, AV_LOG_ERROR, "Invalid sample count: %u.\n", nblocks); return AVERROR_INVALIDDATA; } s->samples = nblocks; /* Initialize the frame decoder */ if (init_frame_decoder(s) < 0) { av_log(avctx, AV_LOG_ERROR, "Error reading frame header\n"); return AVERROR_INVALIDDATA; } } if (!s->data) { *got_frame_ptr = 0; return avpkt->size; } blockstodecode = FFMIN(s->blocks_per_loop, s->samples); // for old files coefficients were not interleaved, // so we need to decode all of them at once if (s->fileversion < 3930) blockstodecode = s->samples; /* reallocate decoded sample buffer if needed */ av_fast_malloc(&s->decoded_buffer, &s->decoded_size, 2 * FFALIGN(blockstodecode, 8) * sizeof(*s->decoded_buffer)); if (!s->decoded_buffer) return AVERROR(ENOMEM); memset(s->decoded_buffer, 0, s->decoded_size); s->decoded[0] = s->decoded_buffer; s->decoded[1] = s->decoded_buffer + FFALIGN(blockstodecode, 8); /* get output buffer */ frame->nb_samples = blockstodecode; if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) return ret; s->error=0; if ((s->channels == 1) || (s->frameflags & APE_FRAMECODE_PSEUDO_STEREO)) ape_unpack_mono(s, blockstodecode); else ape_unpack_stereo(s, blockstodecode); emms_c(); if (s->error) { s->samples=0; av_log(avctx, AV_LOG_ERROR, "Error decoding frame\n"); return AVERROR_INVALIDDATA; } switch (s->bps) { case 8: for (ch = 0; ch < s->channels; ch++) { sample8 = (uint8_t *)frame->data[ch]; for (i = 0; i < blockstodecode; i++) *sample8++ = (s->decoded[ch][i] + 0x80) & 0xff; } break; case 16: for (ch = 0; ch < s->channels; ch++) { sample16 = (int16_t *)frame->data[ch]; for (i = 0; i < blockstodecode; i++) *sample16++ = s->decoded[ch][i]; } break; case 24: for (ch = 0; ch < s->channels; ch++) { sample24 = (int32_t *)frame->data[ch]; for (i = 0; i < blockstodecode; i++) *sample24++ = s->decoded[ch][i] << 8; } break; } s->samples -= blockstodecode; *got_frame_ptr = 1; return !s->samples ? avpkt->size : 0; } | 24,905 |
1 | e1000_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt) { E1000State *s = qemu_get_nic_opaque(nc); PCIDevice *d = PCI_DEVICE(s); struct e1000_rx_desc desc; dma_addr_t base; unsigned int n, rdt; uint32_t rdh_start; uint16_t vlan_special = 0; uint8_t vlan_status = 0; uint8_t min_buf[MIN_BUF_SIZE]; struct iovec min_iov; uint8_t *filter_buf = iov->iov_base; size_t size = iov_size(iov, iovcnt); size_t iov_ofs = 0; size_t desc_offset; size_t desc_size; size_t total_size; static const int PRCregs[6] = { PRC64, PRC127, PRC255, PRC511, PRC1023, PRC1522 }; if (!(s->mac_reg[STATUS] & E1000_STATUS_LU)) { return -1; } if (!(s->mac_reg[RCTL] & E1000_RCTL_EN)) { return -1; } /* Pad to minimum Ethernet frame length */ if (size < sizeof(min_buf)) { iov_to_buf(iov, iovcnt, 0, min_buf, size); memset(&min_buf[size], 0, sizeof(min_buf) - size); inc_reg_if_not_full(s, RUC); min_iov.iov_base = filter_buf = min_buf; min_iov.iov_len = size = sizeof(min_buf); iovcnt = 1; iov = &min_iov; } else if (iov->iov_len < MAXIMUM_ETHERNET_HDR_LEN) { /* This is very unlikely, but may happen. */ iov_to_buf(iov, iovcnt, 0, min_buf, MAXIMUM_ETHERNET_HDR_LEN); filter_buf = min_buf; } /* Discard oversized packets if !LPE and !SBP. */ if ((size > MAXIMUM_ETHERNET_LPE_SIZE || (size > MAXIMUM_ETHERNET_VLAN_SIZE && !(s->mac_reg[RCTL] & E1000_RCTL_LPE))) && !(s->mac_reg[RCTL] & E1000_RCTL_SBP)) { inc_reg_if_not_full(s, ROC); return size; } if (!receive_filter(s, filter_buf, size)) { return size; } if (vlan_enabled(s) && is_vlan_packet(s, filter_buf)) { vlan_special = cpu_to_le16(be16_to_cpup((uint16_t *)(filter_buf + 14))); iov_ofs = 4; if (filter_buf == iov->iov_base) { memmove(filter_buf + 4, filter_buf, 12); } else { iov_from_buf(iov, iovcnt, 4, filter_buf, 12); while (iov->iov_len <= iov_ofs) { iov_ofs -= iov->iov_len; iov++; } } vlan_status = E1000_RXD_STAT_VP; size -= 4; } rdh_start = s->mac_reg[RDH]; desc_offset = 0; total_size = size + fcs_len(s); if (!e1000_has_rxbufs(s, total_size)) { set_ics(s, 0, E1000_ICS_RXO); return -1; } do { desc_size = total_size - desc_offset; if (desc_size > s->rxbuf_size) { desc_size = s->rxbuf_size; } base = rx_desc_base(s) + sizeof(desc) * s->mac_reg[RDH]; pci_dma_read(d, base, &desc, sizeof(desc)); desc.special = vlan_special; desc.status |= (vlan_status | E1000_RXD_STAT_DD); if (desc.buffer_addr) { if (desc_offset < size) { size_t iov_copy; hwaddr ba = le64_to_cpu(desc.buffer_addr); size_t copy_size = size - desc_offset; if (copy_size > s->rxbuf_size) { copy_size = s->rxbuf_size; } do { iov_copy = MIN(copy_size, iov->iov_len - iov_ofs); pci_dma_write(d, ba, iov->iov_base + iov_ofs, iov_copy); copy_size -= iov_copy; ba += iov_copy; iov_ofs += iov_copy; if (iov_ofs == iov->iov_len) { iov++; iov_ofs = 0; } } while (copy_size); } desc_offset += desc_size; desc.length = cpu_to_le16(desc_size); if (desc_offset >= total_size) { desc.status |= E1000_RXD_STAT_EOP | E1000_RXD_STAT_IXSM; } else { /* Guest zeroing out status is not a hardware requirement. Clear EOP in case guest didn't do it. */ desc.status &= ~E1000_RXD_STAT_EOP; } } else { // as per intel docs; skip descriptors with null buf addr DBGOUT(RX, "Null RX descriptor!!\n"); } pci_dma_write(d, base, &desc, sizeof(desc)); if (++s->mac_reg[RDH] * sizeof(desc) >= s->mac_reg[RDLEN]) s->mac_reg[RDH] = 0; /* see comment in start_xmit; same here */ if (s->mac_reg[RDH] == rdh_start) { DBGOUT(RXERR, "RDH wraparound @%x, RDT %x, RDLEN %x\n", rdh_start, s->mac_reg[RDT], s->mac_reg[RDLEN]); set_ics(s, 0, E1000_ICS_RXO); return -1; } } while (desc_offset < total_size); increase_size_stats(s, PRCregs, total_size); inc_reg_if_not_full(s, TPR); s->mac_reg[GPRC] = s->mac_reg[TPR]; /* TOR - Total Octets Received: * This register includes bytes received in a packet from the <Destination * Address> field through the <CRC> field, inclusively. * Always include FCS length (4) in size. */ grow_8reg_if_not_full(s, TORL, size+4); s->mac_reg[GORCL] = s->mac_reg[TORL]; s->mac_reg[GORCH] = s->mac_reg[TORH]; n = E1000_ICS_RXT0; if ((rdt = s->mac_reg[RDT]) < s->mac_reg[RDH]) rdt += s->mac_reg[RDLEN] / sizeof(desc); if (((rdt - s->mac_reg[RDH]) * sizeof(desc)) <= s->mac_reg[RDLEN] >> s->rxbuf_min_shift) n |= E1000_ICS_RXDMT0; set_ics(s, 0, n); return size; } | 24,906 |
1 | static void close_peer_eventfds(IVShmemState *s, int posn) { int i, n; if (!ivshmem_has_feature(s, IVSHMEM_IOEVENTFD)) { return; } if (posn < 0 || posn >= s->nb_peers) { error_report("invalid peer %d", posn); return; } n = s->peers[posn].nb_eventfds; memory_region_transaction_begin(); for (i = 0; i < n; i++) { ivshmem_del_eventfd(s, posn, i); } memory_region_transaction_commit(); for (i = 0; i < n; i++) { event_notifier_cleanup(&s->peers[posn].eventfds[i]); } g_free(s->peers[posn].eventfds); s->peers[posn].nb_eventfds = 0; } | 24,907 |
1 | static void pci_ivshmem_exit(PCIDevice *dev) { IVShmemState *s = IVSHMEM(dev); int i; fifo8_destroy(&s->incoming_fifo); if (s->migration_blocker) { migrate_del_blocker(s->migration_blocker); error_free(s->migration_blocker); } if (s->shm_fd >= 0) { void *addr = memory_region_get_ram_ptr(&s->ivshmem); vmstate_unregister_ram(&s->ivshmem, DEVICE(dev)); memory_region_del_subregion(&s->bar, &s->ivshmem); if (munmap(addr, s->ivshmem_size) == -1) { error_report("Failed to munmap shared memory %s", strerror(errno)); } } if (s->eventfd_chr) { for (i = 0; i < s->vectors; i++) { if (s->eventfd_chr[i]) { qemu_chr_free(s->eventfd_chr[i]); } } g_free(s->eventfd_chr); } if (s->peers) { for (i = 0; i < s->nb_peers; i++) { close_peer_eventfds(s, i); } g_free(s->peers); } if (ivshmem_has_feature(s, IVSHMEM_MSI)) { msix_uninit_exclusive_bar(dev); } g_free(s->eventfd_table); } | 24,908 |
0 | static inline void RENAME(rgb32tobgr16)(const uint8_t *src, uint8_t *dst, long src_size) { const uint8_t *s = src; const uint8_t *end; #if COMPILE_TEMPLATE_MMX const uint8_t *mm_end; #endif uint16_t *d = (uint16_t *)dst; end = s + src_size; #if COMPILE_TEMPLATE_MMX __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 - 15; while (s < mm_end) { __asm__ volatile( PREFETCH" 32%1 \n\t" "movd %1, %%mm0 \n\t" "movd 4%1, %%mm3 \n\t" "punpckldq 8%1, %%mm0 \n\t" "punpckldq 12%1, %%mm3 \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm0, %%mm2 \n\t" "movq %%mm3, %%mm4 \n\t" "movq %%mm3, %%mm5 \n\t" "psllq $8, %%mm0 \n\t" "psllq $8, %%mm3 \n\t" "pand %%mm7, %%mm0 \n\t" "pand %%mm7, %%mm3 \n\t" "psrlq $5, %%mm1 \n\t" "psrlq $5, %%mm4 \n\t" "pand %%mm6, %%mm1 \n\t" "pand %%mm6, %%mm4 \n\t" "psrlq $19, %%mm2 \n\t" "psrlq $19, %%mm5 \n\t" "pand %2, %%mm2 \n\t" "pand %2, %%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 += 16; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); #endif while (s < end) { register int rgb = *(const uint32_t*)s; s += 4; *d++ = ((rgb&0xF8)<<8) + ((rgb&0xFC00)>>5) + ((rgb&0xF80000)>>19); } } | 24,909 |
0 | static int truemotion1_decode_header(TrueMotion1Context *s) { int i; int width_shift = 0; int new_pix_fmt; struct frame_header header; uint8_t header_buffer[128]; /* logical maximum size of the header */ const uint8_t *sel_vector_table; header.header_size = ((s->buf[0] >> 5) | (s->buf[0] << 3)) & 0x7f; if (s->buf[0] < 0x10) { av_log(s->avctx, AV_LOG_ERROR, "invalid header size (%d)\n", s->buf[0]); return -1; } /* unscramble the header bytes with a XOR operation */ memset(header_buffer, 0, 128); for (i = 1; i < header.header_size; i++) header_buffer[i - 1] = s->buf[i] ^ s->buf[i + 1]; header.compression = header_buffer[0]; header.deltaset = header_buffer[1]; header.vectable = header_buffer[2]; header.ysize = AV_RL16(&header_buffer[3]); header.xsize = AV_RL16(&header_buffer[5]); header.checksum = AV_RL16(&header_buffer[7]); header.version = header_buffer[9]; header.header_type = header_buffer[10]; header.flags = header_buffer[11]; header.control = header_buffer[12]; /* Version 2 */ if (header.version >= 2) { if (header.header_type > 3) { av_log(s->avctx, AV_LOG_ERROR, "invalid header type (%d)\n", header.header_type); return -1; } else if ((header.header_type == 2) || (header.header_type == 3)) { s->flags = header.flags; if (!(s->flags & FLAG_INTERFRAME)) s->flags |= FLAG_KEYFRAME; } else s->flags = FLAG_KEYFRAME; } else /* Version 1 */ s->flags = FLAG_KEYFRAME; if (s->flags & FLAG_SPRITE) { av_log(s->avctx, AV_LOG_INFO, "SPRITE frame found, please report the sample to the developers\n"); /* FIXME header.width, height, xoffset and yoffset aren't initialized */ #if 0 s->w = header.width; s->h = header.height; s->x = header.xoffset; s->y = header.yoffset; #else return -1; #endif } else { s->w = header.xsize; s->h = header.ysize; if (header.header_type < 2) { if ((s->w < 213) && (s->h >= 176)) { s->flags |= FLAG_INTERPOLATED; av_log(s->avctx, AV_LOG_INFO, "INTERPOLATION selected, please report the sample to the developers\n"); } } } if (header.compression >= 17) { av_log(s->avctx, AV_LOG_ERROR, "invalid compression type (%d)\n", header.compression); return -1; } if ((header.deltaset != s->last_deltaset) || (header.vectable != s->last_vectable)) select_delta_tables(s, header.deltaset); if ((header.compression & 1) && header.header_type) sel_vector_table = pc_tbl2; else { if (header.vectable < 4) sel_vector_table = tables[header.vectable - 1]; else { av_log(s->avctx, AV_LOG_ERROR, "invalid vector table id (%d)\n", header.vectable); return -1; } } if (compression_types[header.compression].algorithm == ALGO_RGB24H) { new_pix_fmt = PIX_FMT_RGB32; width_shift = 1; } else new_pix_fmt = PIX_FMT_RGB555; // RGB565 is supported as well s->w >>= width_shift; if (av_image_check_size(s->w, s->h, 0, s->avctx) < 0) return -1; if (s->w != s->avctx->width || s->h != s->avctx->height || new_pix_fmt != s->avctx->pix_fmt) { if (s->frame.data[0]) s->avctx->release_buffer(s->avctx, &s->frame); s->avctx->sample_aspect_ratio = (AVRational){ 1 << width_shift, 1 }; s->avctx->pix_fmt = new_pix_fmt; avcodec_set_dimensions(s->avctx, s->w, s->h); av_fast_malloc(&s->vert_pred, &s->vert_pred_size, s->avctx->width * sizeof(unsigned int)); } /* There is 1 change bit per 4 pixels, so each change byte represents * 32 pixels; divide width by 4 to obtain the number of change bits and * then round up to the nearest byte. */ s->mb_change_bits_row_size = ((s->avctx->width >> (2 - width_shift)) + 7) >> 3; if ((header.deltaset != s->last_deltaset) || (header.vectable != s->last_vectable)) { if (compression_types[header.compression].algorithm == ALGO_RGB24H) gen_vector_table24(s, sel_vector_table); else if (s->avctx->pix_fmt == PIX_FMT_RGB555) gen_vector_table15(s, sel_vector_table); else gen_vector_table16(s, sel_vector_table); } /* set up pointers to the other key data chunks */ s->mb_change_bits = s->buf + header.header_size; if (s->flags & FLAG_KEYFRAME) { /* no change bits specified for a keyframe; only index bytes */ s->index_stream = s->mb_change_bits; } else { /* one change bit per 4x4 block */ s->index_stream = s->mb_change_bits + (s->mb_change_bits_row_size * (s->avctx->height >> 2)); } s->index_stream_size = s->size - (s->index_stream - s->buf); s->last_deltaset = header.deltaset; s->last_vectable = header.vectable; s->compression = header.compression; s->block_width = compression_types[header.compression].block_width; s->block_height = compression_types[header.compression].block_height; s->block_type = compression_types[header.compression].block_type; if (s->avctx->debug & FF_DEBUG_PICT_INFO) av_log(s->avctx, AV_LOG_INFO, "tables: %d / %d c:%d %dx%d t:%d %s%s%s%s\n", s->last_deltaset, s->last_vectable, s->compression, s->block_width, s->block_height, s->block_type, s->flags & FLAG_KEYFRAME ? " KEY" : "", s->flags & FLAG_INTERFRAME ? " INTER" : "", s->flags & FLAG_SPRITE ? " SPRITE" : "", s->flags & FLAG_INTERPOLATED ? " INTERPOL" : ""); return header.header_size; } | 24,910 |
0 | static int opt_input_ts_scale(const char *opt, const char *arg) { unsigned int stream; double scale; char *p; stream = strtol(arg, &p, 0); if (*p) p++; scale= strtod(p, &p); if(stream >= MAX_STREAMS) ffmpeg_exit(1); ts_scale = grow_array(ts_scale, sizeof(*ts_scale), &nb_ts_scale, stream + 1); ts_scale[stream] = scale; return 0; } | 24,911 |
0 | static av_always_inline int normal_limit(uint8_t *p, int stride, int E, int I) { LOAD_PIXELS return simple_limit(p, stride, 2*E+I) && FFABS(p3-p2) <= I && FFABS(p2-p1) <= I && FFABS(p1-p0) <= I && FFABS(q3-q2) <= I && FFABS(q2-q1) <= I && FFABS(q1-q0) <= I; } | 24,912 |
0 | static int mov_open_dref(AVIOContext **pb, const char *src, MOVDref *ref, AVIOInterruptCB *int_cb, int use_absolute_path, AVFormatContext *fc) { /* try relative path, we do not try the absolute because it can leak information about our system to an attacker */ if (ref->nlvl_to > 0 && ref->nlvl_from > 0) { char filename[1024]; const char *src_path; int i, l; /* find a source dir */ src_path = strrchr(src, '/'); if (src_path) src_path++; else src_path = src; /* find a next level down to target */ for (i = 0, l = strlen(ref->path) - 1; l >= 0; l--) if (ref->path[l] == '/') { if (i == ref->nlvl_to - 1) break; else i++; } /* compose filename if next level down to target was found */ if (i == ref->nlvl_to - 1 && src_path - src < sizeof(filename)) { memcpy(filename, src, src_path - src); filename[src_path - src] = 0; for (i = 1; i < ref->nlvl_from; i++) av_strlcat(filename, "../", sizeof(filename)); av_strlcat(filename, ref->path + l + 1, sizeof(filename)); if (!avio_open2(pb, filename, AVIO_FLAG_READ, int_cb, NULL)) return 0; } } else if (use_absolute_path) { av_log(fc, AV_LOG_WARNING, "Using absolute path on user request, " "this is a possible security issue\n"); if (!avio_open2(pb, ref->path, AVIO_FLAG_READ, int_cb, NULL)) return 0; } return AVERROR(ENOENT); } | 24,913 |
0 | static int swScale(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[]) { /* load a few things into local vars to make the code more readable? and faster */ const int srcW= c->srcW; const int dstW= c->dstW; const int dstH= c->dstH; const int chrDstW= c->chrDstW; const int chrSrcW= c->chrSrcW; const int lumXInc= c->lumXInc; const int chrXInc= c->chrXInc; const enum PixelFormat dstFormat= c->dstFormat; const int flags= c->flags; int16_t *vLumFilterPos= c->vLumFilterPos; int16_t *vChrFilterPos= c->vChrFilterPos; int16_t *hLumFilterPos= c->hLumFilterPos; int16_t *hChrFilterPos= c->hChrFilterPos; int16_t *vLumFilter= c->vLumFilter; int16_t *vChrFilter= c->vChrFilter; int16_t *hLumFilter= c->hLumFilter; int16_t *hChrFilter= c->hChrFilter; int32_t *lumMmxFilter= c->lumMmxFilter; int32_t *chrMmxFilter= c->chrMmxFilter; int32_t av_unused *alpMmxFilter= c->alpMmxFilter; const int vLumFilterSize= c->vLumFilterSize; const int vChrFilterSize= c->vChrFilterSize; const int hLumFilterSize= c->hLumFilterSize; const int hChrFilterSize= c->hChrFilterSize; int16_t **lumPixBuf= c->lumPixBuf; int16_t **chrUPixBuf= c->chrUPixBuf; int16_t **chrVPixBuf= c->chrVPixBuf; int16_t **alpPixBuf= c->alpPixBuf; const int vLumBufSize= c->vLumBufSize; const int vChrBufSize= c->vChrBufSize; uint8_t *formatConvBuffer= c->formatConvBuffer; const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample; const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample); int lastDstY; uint32_t *pal=c->pal_yuv; yuv2planar1_fn yuv2yuv1 = c->yuv2yuv1; yuv2planarX_fn yuv2yuvX = c->yuv2yuvX; yuv2packed1_fn yuv2packed1 = c->yuv2packed1; yuv2packed2_fn yuv2packed2 = c->yuv2packed2; yuv2packedX_fn yuv2packedX = c->yuv2packedX; /* vars which will change and which we need to store back in the context */ int dstY= c->dstY; int lumBufIndex= c->lumBufIndex; int chrBufIndex= c->chrBufIndex; int lastInLumBuf= c->lastInLumBuf; int lastInChrBuf= c->lastInChrBuf; if (isPacked(c->srcFormat)) { src[0]= src[1]= src[2]= src[3]= src[0]; srcStride[0]= srcStride[1]= srcStride[2]= srcStride[3]= srcStride[0]; } srcStride[1]<<= c->vChrDrop; srcStride[2]<<= c->vChrDrop; DEBUG_BUFFERS("swScale() %p[%d] %p[%d] %p[%d] %p[%d] -> %p[%d] %p[%d] %p[%d] %p[%d]\n", src[0], srcStride[0], src[1], srcStride[1], src[2], srcStride[2], src[3], srcStride[3], dst[0], dstStride[0], dst[1], dstStride[1], dst[2], dstStride[2], dst[3], dstStride[3]); DEBUG_BUFFERS("srcSliceY: %d srcSliceH: %d dstY: %d dstH: %d\n", srcSliceY, srcSliceH, dstY, dstH); DEBUG_BUFFERS("vLumFilterSize: %d vLumBufSize: %d vChrFilterSize: %d vChrBufSize: %d\n", vLumFilterSize, vLumBufSize, vChrFilterSize, vChrBufSize); if (dstStride[0]%8 !=0 || dstStride[1]%8 !=0 || dstStride[2]%8 !=0 || dstStride[3]%8 != 0) { static int warnedAlready=0; //FIXME move this into the context perhaps if (flags & SWS_PRINT_INFO && !warnedAlready) { av_log(c, AV_LOG_WARNING, "Warning: dstStride is not aligned!\n" " ->cannot do aligned memory accesses anymore\n"); warnedAlready=1; } } /* Note the user might start scaling the picture in the middle so this will not get executed. This is not really intended but works currently, so people might do it. */ if (srcSliceY ==0) { lumBufIndex=-1; chrBufIndex=-1; dstY=0; lastInLumBuf= -1; lastInChrBuf= -1; } lastDstY= dstY; for (;dstY < dstH; dstY++) { unsigned char *dest =dst[0]+dstStride[0]*dstY; const int chrDstY= dstY>>c->chrDstVSubSample; unsigned char *uDest=dst[1]+dstStride[1]*chrDstY; unsigned char *vDest=dst[2]+dstStride[2]*chrDstY; unsigned char *aDest=(CONFIG_SWSCALE_ALPHA && alpPixBuf) ? dst[3]+dstStride[3]*dstY : NULL; const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input const int firstLumSrcY2= vLumFilterPos[FFMIN(dstY | ((1<<c->chrDstVSubSample) - 1), dstH-1)]; const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input int lastLumSrcY= firstLumSrcY + vLumFilterSize -1; // Last line needed as input int lastLumSrcY2=firstLumSrcY2+ vLumFilterSize -1; // Last line needed as input int lastChrSrcY= firstChrSrcY + vChrFilterSize -1; // Last line needed as input int enough_lines; //handle holes (FAST_BILINEAR & weird filters) if (firstLumSrcY > lastInLumBuf) lastInLumBuf= firstLumSrcY-1; if (firstChrSrcY > lastInChrBuf) lastInChrBuf= firstChrSrcY-1; assert(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1); assert(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1); DEBUG_BUFFERS("dstY: %d\n", dstY); DEBUG_BUFFERS("\tfirstLumSrcY: %d lastLumSrcY: %d lastInLumBuf: %d\n", firstLumSrcY, lastLumSrcY, lastInLumBuf); DEBUG_BUFFERS("\tfirstChrSrcY: %d lastChrSrcY: %d lastInChrBuf: %d\n", firstChrSrcY, lastChrSrcY, lastInChrBuf); // Do we have enough lines in this slice to output the dstY line enough_lines = lastLumSrcY2 < srcSliceY + srcSliceH && lastChrSrcY < -((-srcSliceY - srcSliceH)>>c->chrSrcVSubSample); if (!enough_lines) { lastLumSrcY = srcSliceY + srcSliceH - 1; lastChrSrcY = chrSrcSliceY + chrSrcSliceH - 1; DEBUG_BUFFERS("buffering slice: lastLumSrcY %d lastChrSrcY %d\n", lastLumSrcY, lastChrSrcY); } //Do horizontal scaling while(lastInLumBuf < lastLumSrcY) { const uint8_t *src1= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0]; const uint8_t *src2= src[3]+(lastInLumBuf + 1 - srcSliceY)*srcStride[3]; lumBufIndex++; assert(lumBufIndex < 2*vLumBufSize); assert(lastInLumBuf + 1 - srcSliceY < srcSliceH); assert(lastInLumBuf + 1 - srcSliceY >= 0); hyscale(c, lumPixBuf[ lumBufIndex ], dstW, src1, srcW, lumXInc, hLumFilter, hLumFilterPos, hLumFilterSize, formatConvBuffer, pal, 0); if (CONFIG_SWSCALE_ALPHA && alpPixBuf) hyscale(c, alpPixBuf[ lumBufIndex ], dstW, src2, srcW, lumXInc, hLumFilter, hLumFilterPos, hLumFilterSize, formatConvBuffer, pal, 1); lastInLumBuf++; DEBUG_BUFFERS("\t\tlumBufIndex %d: lastInLumBuf: %d\n", lumBufIndex, lastInLumBuf); } while(lastInChrBuf < lastChrSrcY) { const uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1]; const uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2]; chrBufIndex++; assert(chrBufIndex < 2*vChrBufSize); assert(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH)); assert(lastInChrBuf + 1 - chrSrcSliceY >= 0); //FIXME replace parameters through context struct (some at least) if (c->needs_hcscale) hcscale(c, chrUPixBuf[chrBufIndex], chrVPixBuf[chrBufIndex], chrDstW, src1, src2, chrSrcW, chrXInc, hChrFilter, hChrFilterPos, hChrFilterSize, formatConvBuffer, pal); lastInChrBuf++; DEBUG_BUFFERS("\t\tchrBufIndex %d: lastInChrBuf: %d\n", chrBufIndex, lastInChrBuf); } //wrap buf index around to stay inside the ring buffer if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize; if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize; if (!enough_lines) break; //we can't output a dstY line so let's try with the next slice #if HAVE_MMX updateMMXDitherTables(c, dstY, lumBufIndex, chrBufIndex, lastInLumBuf, lastInChrBuf); #endif if (dstY >= dstH-2) { // hmm looks like we can't use MMX here without overwriting this array's tail find_c_packed_planar_out_funcs(c, &yuv2yuv1, &yuv2yuvX, &yuv2packed1, &yuv2packed2, &yuv2packedX); } { const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize; const int16_t **chrUSrcPtr= (const int16_t **) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize; const int16_t **chrVSrcPtr= (const int16_t **) chrVPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize; const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL; if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) { //YV12 like const int chrSkipMask= (1<<c->chrDstVSubSample)-1; if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi if (c->yuv2yuv1 && vLumFilterSize == 1 && vChrFilterSize == 1) { // unscaled YV12 const int16_t *lumBuf = lumSrcPtr[0]; const int16_t *chrUBuf= chrUSrcPtr[0]; const int16_t *chrVBuf= chrVSrcPtr[0]; const int16_t *alpBuf= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? alpSrcPtr[0] : NULL; yuv2yuv1(c, lumBuf, chrUBuf, chrVBuf, alpBuf, dest, uDest, vDest, aDest, dstW, chrDstW); } else { //General YV12 yuv2yuvX(c, vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize, vChrFilter+chrDstY*vChrFilterSize, chrUSrcPtr, chrVSrcPtr, vChrFilterSize, alpSrcPtr, dest, uDest, vDest, aDest, dstW, chrDstW); } } else { assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2); assert(chrUSrcPtr + vChrFilterSize - 1 < chrUPixBuf + vChrBufSize*2); if (c->yuv2packed1 && vLumFilterSize == 1 && vChrFilterSize == 2) { //unscaled RGB int chrAlpha= vChrFilter[2*dstY+1]; yuv2packed1(c, *lumSrcPtr, *chrUSrcPtr, *(chrUSrcPtr+1), *chrVSrcPtr, *(chrVSrcPtr+1), alpPixBuf ? *alpSrcPtr : NULL, dest, dstW, chrAlpha, dstFormat, flags, dstY); } else if (c->yuv2packed2 && vLumFilterSize == 2 && vChrFilterSize == 2) { //bilinear upscale RGB int lumAlpha= vLumFilter[2*dstY+1]; int chrAlpha= vChrFilter[2*dstY+1]; lumMmxFilter[2]= lumMmxFilter[3]= vLumFilter[2*dstY ]*0x10001; chrMmxFilter[2]= chrMmxFilter[3]= vChrFilter[2*chrDstY]*0x10001; yuv2packed2(c, *lumSrcPtr, *(lumSrcPtr+1), *chrUSrcPtr, *(chrUSrcPtr+1), *chrVSrcPtr, *(chrVSrcPtr+1), alpPixBuf ? *alpSrcPtr : NULL, alpPixBuf ? *(alpSrcPtr+1) : NULL, dest, dstW, lumAlpha, chrAlpha, dstY); } else { //general RGB yuv2packedX(c, vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize, vChrFilter+dstY*vChrFilterSize, chrUSrcPtr, chrVSrcPtr, vChrFilterSize, alpSrcPtr, dest, dstW, dstY); } } } } if ((dstFormat == PIX_FMT_YUVA420P) && !alpPixBuf) fillPlane(dst[3], dstStride[3], dstW, dstY-lastDstY, lastDstY, 255); #if HAVE_MMX2 if (av_get_cpu_flags() & AV_CPU_FLAG_MMX2) __asm__ volatile("sfence":::"memory"); #endif emms_c(); /* store changed local vars back in the context */ c->dstY= dstY; c->lumBufIndex= lumBufIndex; c->chrBufIndex= chrBufIndex; c->lastInLumBuf= lastInLumBuf; c->lastInChrBuf= lastInChrBuf; return dstY - lastDstY; } | 24,914 |
0 | int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation) { const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat); const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat); memcpy(c->srcColorspaceTable, inv_table, sizeof(int) * 4); memcpy(c->dstColorspaceTable, table, sizeof(int) * 4); c->brightness = brightness; c->contrast = contrast; c->saturation = saturation; c->srcRange = srcRange; c->dstRange = dstRange; if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1; c->dstFormatBpp = av_get_bits_per_pixel(desc_dst); c->srcFormatBpp = av_get_bits_per_pixel(desc_src); ff_yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness, contrast, saturation); // FIXME factorize if (HAVE_ALTIVEC && av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) ff_yuv2rgb_init_tables_altivec(c, inv_table, brightness, contrast, saturation); return 0; } | 24,915 |
1 | static void alpha_cpu_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); CPUClass *cc = CPU_CLASS(oc); AlphaCPUClass *acc = ALPHA_CPU_CLASS(oc); acc->parent_realize = dc->realize; dc->realize = alpha_cpu_realizefn; cc->class_by_name = alpha_cpu_class_by_name; cc->has_work = alpha_cpu_has_work; cc->do_interrupt = alpha_cpu_do_interrupt; cc->cpu_exec_interrupt = alpha_cpu_exec_interrupt; cc->dump_state = alpha_cpu_dump_state; cc->set_pc = alpha_cpu_set_pc; cc->gdb_read_register = alpha_cpu_gdb_read_register; cc->gdb_write_register = alpha_cpu_gdb_write_register; #ifdef CONFIG_USER_ONLY cc->handle_mmu_fault = alpha_cpu_handle_mmu_fault; #else cc->do_unassigned_access = alpha_cpu_unassigned_access; cc->do_unaligned_access = alpha_cpu_do_unaligned_access; cc->get_phys_page_debug = alpha_cpu_get_phys_page_debug; dc->vmsd = &vmstate_alpha_cpu; #endif cc->disas_set_info = alpha_cpu_disas_set_info; cc->gdb_num_core_regs = 67; /* * Reason: alpha_cpu_initfn() calls cpu_exec_init(), which saves * the object in cpus -> dangling pointer after final * object_unref(). */ dc->cannot_destroy_with_object_finalize_yet = true; } | 24,916 |
1 | static void rtas_ibm_write_pci_config(sPAPREnvironment *spapr, uint32_t token, uint32_t nargs, target_ulong args, uint32_t nret, target_ulong rets) { uint32_t val, size, addr; uint64_t buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2); PCIDevice *dev = find_dev(spapr, buid, rtas_ld(args, 0)); if (!dev) { rtas_st(rets, 0, -1); return; } val = rtas_ld(args, 4); size = rtas_ld(args, 3); addr = rtas_pci_cfgaddr(rtas_ld(args, 0)); pci_default_write_config(dev, addr, val, size); rtas_st(rets, 0, 0); } | 24,917 |
1 | static int submit_stats(AVCodecContext *avctx) { #ifdef TH_ENCCTL_2PASS_IN TheoraContext *h = avctx->priv_data; int bytes; if (!avctx->stats_in) { av_log(avctx, AV_LOG_ERROR, "No statsfile for second pass\n"); return AVERROR(EINVAL); h->stats_size = strlen(avctx->stats_in) * 3/4; h->stats = av_malloc(h->stats_size); h->stats_size = av_base64_decode(h->stats, avctx->stats_in, h->stats_size); while (h->stats_size - h->stats_offset > 0) { bytes = th_encode_ctl(h->t_state, TH_ENCCTL_2PASS_IN, h->stats + h->stats_offset, h->stats_size - h->stats_offset); if (bytes < 0) { av_log(avctx, AV_LOG_ERROR, "Error submitting stats\n"); return AVERROR_EXTERNAL; if (!bytes) return 0; h->stats_offset += bytes; return 0; #else av_log(avctx, AV_LOG_ERROR, "libtheora too old to support 2pass\n"); return AVERROR(ENOSUP); #endif | 24,919 |
1 | static int encode_plane(AVCodecContext *avctx, uint8_t *src, uint8_t *dst, int stride, int width, int height, PutByteContext *pb) { UtvideoContext *c = avctx->priv_data; uint8_t lengths[256]; uint64_t counts[256] = { 0 }; HuffEntry he[256]; uint32_t offset = 0, slice_len = 0; int i, sstart, send = 0; int symbol; /* Do prediction / make planes */ switch (c->frame_pred) { case PRED_NONE: for (i = 0; i < c->slices; i++) { sstart = send; send = height * (i + 1) / c->slices; write_plane(src + sstart * stride, dst + sstart * width, stride, width, send - sstart); } break; case PRED_LEFT: for (i = 0; i < c->slices; i++) { sstart = send; send = height * (i + 1) / c->slices; left_predict(src + sstart * stride, dst + sstart * width, stride, width, send - sstart); } break; case PRED_MEDIAN: for (i = 0; i < c->slices; i++) { sstart = send; send = height * (i + 1) / c->slices; median_predict(c, src + sstart * stride, dst + sstart * width, stride, width, send - sstart); } break; default: av_log(avctx, AV_LOG_ERROR, "Unknown prediction mode: %d\n", c->frame_pred); return AVERROR_OPTION_NOT_FOUND; } /* Count the usage of values */ count_usage(dst, width, height, counts); /* Check for a special case where only one symbol was used */ for (symbol = 0; symbol < 256; symbol++) { /* If non-zero count is found, see if it matches width * height */ if (counts[symbol]) { /* Special case if only one symbol was used */ if (counts[symbol] == width * height) { /* * Write a zero for the single symbol * used in the plane, else 0xFF. */ for (i = 0; i < 256; i++) { if (i == symbol) bytestream2_put_byte(pb, 0); else bytestream2_put_byte(pb, 0xFF); } /* Write zeroes for lengths */ for (i = 0; i < c->slices; i++) bytestream2_put_le32(pb, 0); /* And that's all for that plane folks */ return 0; } break; } } /* Calculate huffman lengths */ ff_huff_gen_len_table(lengths, counts); /* * Write the plane's header into the output packet: * - huffman code lengths (256 bytes) * - slice end offsets (gotten from the slice lengths) */ for (i = 0; i < 256; i++) { bytestream2_put_byte(pb, lengths[i]); he[i].len = lengths[i]; he[i].sym = i; } /* Calculate the huffman codes themselves */ calculate_codes(he); send = 0; for (i = 0; i < c->slices; i++) { sstart = send; send = height * (i + 1) / c->slices; /* * Write the huffman codes to a buffer, * get the offset in bits and convert to bytes. */ offset += write_huff_codes(dst + sstart * width, c->slice_bits, width * (send - sstart), width, send - sstart, he) >> 3; slice_len = offset - slice_len; /* Byteswap the written huffman codes */ c->dsp.bswap_buf((uint32_t *) c->slice_bits, (uint32_t *) c->slice_bits, slice_len >> 2); /* Write the offset to the stream */ bytestream2_put_le32(pb, offset); /* Seek to the data part of the packet */ bytestream2_seek_p(pb, 4 * (c->slices - i - 1) + offset - slice_len, SEEK_CUR); /* Write the slices' data into the output packet */ bytestream2_put_buffer(pb, c->slice_bits, slice_len); /* Seek back to the slice offsets */ bytestream2_seek_p(pb, -4 * (c->slices - i - 1) - offset, SEEK_CUR); slice_len = offset; } /* And at the end seek to the end of written slice(s) */ bytestream2_seek_p(pb, offset, SEEK_CUR); return 0; } | 24,920 |
0 | static int vhdx_create(const char *filename, QEMUOptionParameter *options, Error **errp) { int ret = 0; uint64_t image_size = (uint64_t) 2 * GiB; uint32_t log_size = 1 * MiB; uint32_t block_size = 0; uint64_t signature; uint64_t metadata_offset; bool use_zero_blocks = false; gunichar2 *creator = NULL; glong creator_items; BlockDriverState *bs; const char *type = NULL; VHDXImageType image_type; Error *local_err = NULL; while (options && options->name) { if (!strcmp(options->name, BLOCK_OPT_SIZE)) { image_size = options->value.n; } else if (!strcmp(options->name, VHDX_BLOCK_OPT_LOG_SIZE)) { log_size = options->value.n; } else if (!strcmp(options->name, VHDX_BLOCK_OPT_BLOCK_SIZE)) { block_size = options->value.n; } else if (!strcmp(options->name, BLOCK_OPT_SUBFMT)) { type = options->value.s; } else if (!strcmp(options->name, VHDX_BLOCK_OPT_ZERO)) { use_zero_blocks = options->value.n != 0; } options++; } if (image_size > VHDX_MAX_IMAGE_SIZE) { error_setg_errno(errp, EINVAL, "Image size too large; max of 64TB"); ret = -EINVAL; goto exit; } if (type == NULL) { type = "dynamic"; } if (!strcmp(type, "dynamic")) { image_type = VHDX_TYPE_DYNAMIC; } else if (!strcmp(type, "fixed")) { image_type = VHDX_TYPE_FIXED; } else if (!strcmp(type, "differencing")) { error_setg_errno(errp, ENOTSUP, "Differencing files not yet supported"); ret = -ENOTSUP; goto exit; } else { ret = -EINVAL; goto exit; } /* These are pretty arbitrary, and mainly designed to keep the BAT * size reasonable to load into RAM */ if (block_size == 0) { if (image_size > 32 * TiB) { block_size = 64 * MiB; } else if (image_size > (uint64_t) 100 * GiB) { block_size = 32 * MiB; } else if (image_size > 1 * GiB) { block_size = 16 * MiB; } else { block_size = 8 * MiB; } } /* make the log size close to what was specified, but must be * min 1MB, and multiple of 1MB */ log_size = ROUND_UP(log_size, MiB); block_size = ROUND_UP(block_size, MiB); block_size = block_size > VHDX_BLOCK_SIZE_MAX ? VHDX_BLOCK_SIZE_MAX : block_size; ret = bdrv_create_file(filename, options, &local_err); if (ret < 0) { error_propagate(errp, local_err); goto exit; } ret = bdrv_file_open(&bs, filename, NULL, NULL, BDRV_O_RDWR, &local_err); if (ret < 0) { error_propagate(errp, local_err); goto exit; } /* Create (A) */ /* The creator field is optional, but may be useful for * debugging / diagnostics */ creator = g_utf8_to_utf16("QEMU v" QEMU_VERSION, -1, NULL, &creator_items, NULL); signature = cpu_to_le64(VHDX_FILE_SIGNATURE); bdrv_pwrite(bs, VHDX_FILE_ID_OFFSET, &signature, sizeof(signature)); if (ret < 0) { goto delete_and_exit; } if (creator) { bdrv_pwrite(bs, VHDX_FILE_ID_OFFSET + sizeof(signature), creator, creator_items * sizeof(gunichar2)); if (ret < 0) { goto delete_and_exit; } } /* Creates (B),(C) */ ret = vhdx_create_new_headers(bs, image_size, log_size); if (ret < 0) { goto delete_and_exit; } /* Creates (D),(E),(G) explicitly. (F) created as by-product */ ret = vhdx_create_new_region_table(bs, image_size, block_size, 512, log_size, use_zero_blocks, image_type, &metadata_offset); if (ret < 0) { goto delete_and_exit; } /* Creates (H) */ ret = vhdx_create_new_metadata(bs, image_size, block_size, 512, metadata_offset, image_type); if (ret < 0) { goto delete_and_exit; } delete_and_exit: bdrv_unref(bs); exit: g_free(creator); return ret; } | 24,922 |
0 | static int zero_single_l2(BlockDriverState *bs, uint64_t offset, uint64_t nb_clusters, int flags) { BDRVQcow2State *s = bs->opaque; uint64_t *l2_table; int l2_index; int ret; int i; ret = get_cluster_table(bs, offset, &l2_table, &l2_index); if (ret < 0) { return ret; } /* Limit nb_clusters to one L2 table */ nb_clusters = MIN(nb_clusters, s->l2_size - l2_index); assert(nb_clusters <= INT_MAX); for (i = 0; i < nb_clusters; i++) { uint64_t old_offset; old_offset = be64_to_cpu(l2_table[l2_index + i]); /* Update L2 entries */ qcow2_cache_entry_mark_dirty(bs, s->l2_table_cache, l2_table); if (old_offset & QCOW_OFLAG_COMPRESSED || flags & BDRV_REQ_MAY_UNMAP) { l2_table[l2_index + i] = cpu_to_be64(QCOW_OFLAG_ZERO); qcow2_free_any_clusters(bs, old_offset, 1, QCOW2_DISCARD_REQUEST); } else { l2_table[l2_index + i] |= cpu_to_be64(QCOW_OFLAG_ZERO); } } qcow2_cache_put(bs, s->l2_table_cache, (void **) &l2_table); return nb_clusters; } | 24,923 |
0 | static int megasas_dcmd_set_properties(MegasasState *s, MegasasCmd *cmd) { struct mfi_ctrl_props info; size_t dcmd_size = sizeof(info); if (cmd->iov_size < dcmd_size) { trace_megasas_dcmd_invalid_xfer_len(cmd->index, cmd->iov_size, dcmd_size); return MFI_STAT_INVALID_PARAMETER; } dma_buf_write((uint8_t *)&info, cmd->iov_size, &cmd->qsg); trace_megasas_dcmd_unsupported(cmd->index, cmd->iov_size); return MFI_STAT_OK; } | 24,924 |
0 | static int fd_open(BlockDriverState *bs) { BDRVRawState *s = bs->opaque; int last_media_present; if (s->type != FTYPE_FD) return 0; last_media_present = (s->fd >= 0); if (s->fd >= 0 && (qemu_get_clock(rt_clock) - s->fd_open_time) >= FD_OPEN_TIMEOUT) { close(s->fd); s->fd = -1; raw_close_fd_pool(s); #ifdef DEBUG_FLOPPY printf("Floppy closed\n"); #endif } if (s->fd < 0) { if (s->fd_got_error && (qemu_get_clock(rt_clock) - s->fd_error_time) < FD_OPEN_TIMEOUT) { #ifdef DEBUG_FLOPPY printf("No floppy (open delayed)\n"); #endif return -EIO; } s->fd = open(bs->filename, s->fd_open_flags); if (s->fd < 0) { s->fd_error_time = qemu_get_clock(rt_clock); s->fd_got_error = 1; if (last_media_present) s->fd_media_changed = 1; #ifdef DEBUG_FLOPPY printf("No floppy\n"); #endif return -EIO; } #ifdef DEBUG_FLOPPY printf("Floppy opened\n"); #endif } if (!last_media_present) s->fd_media_changed = 1; s->fd_open_time = qemu_get_clock(rt_clock); s->fd_got_error = 0; return 0; } | 24,925 |
0 | static void qdev_print(Monitor *mon, DeviceState *dev, int indent) { BusState *child; qdev_printf("dev: %s, id \"%s\"\n", dev->info->name, dev->id ? dev->id : ""); indent += 2; if (dev->num_gpio_in) { qdev_printf("gpio-in %d\n", dev->num_gpio_in); } if (dev->num_gpio_out) { qdev_printf("gpio-out %d\n", dev->num_gpio_out); } qdev_print_props(mon, dev, dev->info->props, "dev", indent); qdev_print_props(mon, dev, dev->parent_bus->info->props, "bus", indent); if (dev->parent_bus->info->print_dev) dev->parent_bus->info->print_dev(mon, dev, indent); LIST_FOREACH(child, &dev->child_bus, sibling) { qbus_print(mon, child, indent); } } | 24,926 |
0 | static int qcow2_load_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos) { BDRVQcow2State *s = bs->opaque; bool zero_beyond_eof = bs->zero_beyond_eof; int ret; BLKDBG_EVENT(bs->file, BLKDBG_VMSTATE_LOAD); bs->zero_beyond_eof = false; ret = bdrv_preadv(bs, qcow2_vm_state_offset(s) + pos, qiov); bs->zero_beyond_eof = zero_beyond_eof; return ret; } | 24,927 |
0 | static av_cold int g726_encode_init(AVCodecContext *avctx) { G726Context* c = avctx->priv_data; if (avctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL && avctx->sample_rate != 8000) { av_log(avctx, AV_LOG_ERROR, "Sample rates other than 8kHz are not " "allowed when the compliance level is higher than unofficial. " "Resample or reduce the compliance level.\n"); return AVERROR(EINVAL); } av_assert0(avctx->sample_rate > 0); if(avctx->channels != 1){ av_log(avctx, AV_LOG_ERROR, "Only mono is supported\n"); return -1; } if (avctx->bit_rate % avctx->sample_rate) { av_log(avctx, AV_LOG_ERROR, "Bitrate - Samplerate combination is invalid\n"); return AVERROR(EINVAL); } c->code_size = (avctx->bit_rate + avctx->sample_rate/2) / avctx->sample_rate; if (c->code_size < 2 || c->code_size > 5) { av_log(avctx, AV_LOG_ERROR, "Invalid number of bits %d\n", c->code_size); return AVERROR(EINVAL); } avctx->bits_per_coded_sample = c->code_size; g726_reset(c, c->code_size - 2); avctx->coded_frame = avcodec_alloc_frame(); if (!avctx->coded_frame) return AVERROR(ENOMEM); avctx->coded_frame->key_frame = 1; /* select a frame size that will end on a byte boundary and have a size of approximately 1024 bytes */ avctx->frame_size = ((int[]){ 4096, 2736, 2048, 1640 })[c->code_size - 2]; return 0; } | 24,928 |
0 | int qemu_acl_insert(qemu_acl *acl, int deny, const char *match, int index) { qemu_acl_entry *entry; qemu_acl_entry *tmp; int i = 0; if (index <= 0) return -1; if (index >= acl->nentries) return qemu_acl_append(acl, deny, match); entry = qemu_malloc(sizeof(*entry)); entry->match = qemu_strdup(match); entry->deny = deny; TAILQ_FOREACH(tmp, &acl->entries, next) { i++; if (i == index) { TAILQ_INSERT_BEFORE(tmp, entry, next); acl->nentries++; break; } } return i; } | 24,929 |
0 | int64_t bdrv_get_block_status(BlockDriverState *bs, int64_t sector_num, int nb_sectors, int *pnum, BlockDriverState **file) { return bdrv_get_block_status_above(bs, backing_bs(bs), sector_num, nb_sectors, pnum, file); } | 24,930 |
0 | static int vmdk_probe(const uint8_t *buf, int buf_size, const char *filename) { uint32_t magic; if (buf_size < 4) return 0; magic = be32_to_cpu(*(uint32_t *)buf); if (magic == VMDK3_MAGIC || magic == VMDK4_MAGIC) { return 100; } else { const char *p = (const char *)buf; const char *end = p + buf_size; while (p < end) { if (*p == '#') { /* skip comment line */ while (p < end && *p != '\n') { p++; } p++; continue; } if (*p == ' ') { while (p < end && *p == ' ') { p++; } /* skip '\r' if windows line endings used. */ if (p < end && *p == '\r') { p++; } /* only accept blank lines before 'version=' line */ if (p == end || *p != '\n') { return 0; } p++; continue; } if (end - p >= strlen("version=X\n")) { if (strncmp("version=1\n", p, strlen("version=1\n")) == 0 || strncmp("version=2\n", p, strlen("version=2\n")) == 0) { return 100; } } if (end - p >= strlen("version=X\r\n")) { if (strncmp("version=1\r\n", p, strlen("version=1\r\n")) == 0 || strncmp("version=2\r\n", p, strlen("version=2\r\n")) == 0) { return 100; } } return 0; } return 0; } } | 24,931 |
0 | static int write_elf64_note(DumpState *s) { Elf64_Phdr phdr; int endian = s->dump_info.d_endian; target_phys_addr_t begin = s->memory_offset - s->note_size; int ret; memset(&phdr, 0, sizeof(Elf64_Phdr)); phdr.p_type = cpu_convert_to_target32(PT_NOTE, endian); phdr.p_offset = cpu_convert_to_target64(begin, endian); phdr.p_paddr = 0; phdr.p_filesz = cpu_convert_to_target64(s->note_size, endian); phdr.p_memsz = cpu_convert_to_target64(s->note_size, endian); phdr.p_vaddr = 0; ret = fd_write_vmcore(&phdr, sizeof(Elf64_Phdr), s); if (ret < 0) { dump_error(s, "dump: failed to write program header table.\n"); return -1; } return 0; } | 24,932 |
0 | void bdrv_append(BlockDriverState *bs_new, BlockDriverState *bs_top) { assert(!bdrv_requests_pending(bs_top)); assert(!bdrv_requests_pending(bs_new)); bdrv_ref(bs_top); change_parent_backing_link(bs_top, bs_new); bdrv_set_backing_hd(bs_new, bs_top); bdrv_unref(bs_top); /* bs_new is now referenced by its new parents, we don't need the * additional reference any more. */ bdrv_unref(bs_new); } | 24,934 |
0 | static void restore_sigcontext(CPUSH4State *regs, struct target_sigcontext *sc, target_ulong *r0_p) { int i; #define COPY(x) __get_user(regs->x, &sc->sc_##x) COPY(gregs[1]); COPY(gregs[2]); COPY(gregs[3]); COPY(gregs[4]); COPY(gregs[5]); COPY(gregs[6]); COPY(gregs[7]); COPY(gregs[8]); COPY(gregs[9]); COPY(gregs[10]); COPY(gregs[11]); COPY(gregs[12]); COPY(gregs[13]); COPY(gregs[14]); COPY(gregs[15]); COPY(gbr); COPY(mach); COPY(macl); COPY(pr); COPY(sr); COPY(pc); #undef COPY for (i=0; i<16; i++) { __get_user(regs->fregs[i], &sc->sc_fpregs[i]); } __get_user(regs->fpscr, &sc->sc_fpscr); __get_user(regs->fpul, &sc->sc_fpul); regs->tra = -1; /* disable syscall checks */ __get_user(*r0_p, &sc->sc_gregs[0]); } | 24,936 |
0 | static void vtd_update_iotlb(IntelIOMMUState *s, uint16_t source_id, uint16_t domain_id, hwaddr addr, uint64_t slpte, bool read_flags, bool write_flags) { VTDIOTLBEntry *entry = g_malloc(sizeof(*entry)); uint64_t *key = g_malloc(sizeof(*key)); uint64_t gfn = addr >> VTD_PAGE_SHIFT_4K; VTD_DPRINTF(CACHE, "update iotlb sid 0x%"PRIx16 " gpa 0x%"PRIx64 " slpte 0x%"PRIx64 " did 0x%"PRIx16, source_id, addr, slpte, domain_id); if (g_hash_table_size(s->iotlb) >= VTD_IOTLB_MAX_SIZE) { VTD_DPRINTF(CACHE, "iotlb exceeds size limit, forced to reset"); vtd_reset_iotlb(s); } entry->gfn = gfn; entry->domain_id = domain_id; entry->slpte = slpte; entry->read_flags = read_flags; entry->write_flags = write_flags; *key = gfn | ((uint64_t)(source_id) << VTD_IOTLB_SID_SHIFT); g_hash_table_replace(s->iotlb, key, entry); } | 24,940 |
0 | static void armv7m_nvic_init(SysBusDevice *dev) { nvic_state *s= FROM_SYSBUSGIC(nvic_state, dev); CPUState *env; env = qdev_get_prop_ptr(&dev->qdev, "cpu"); gic_init(&s->gic); cpu_register_physical_memory(0xe000e000, 0x1000, s->gic.iomemtype); s->systick.timer = qemu_new_timer(vm_clock, systick_timer_tick, s); if (env->v7m.nvic) hw_error("CPU can only have one NVIC\n"); env->v7m.nvic = s; register_savevm("armv7m_nvic", -1, 1, nvic_save, nvic_load, s); } | 24,941 |
0 | lookup_scalar(const OptsVisitor *ov, const char *name, Error **errp) { if (ov->repeated_opts == NULL) { GQueue *list; /* the last occurrence of any QemuOpt takes effect when queried by name */ list = lookup_distinct(ov, name, errp); return list ? g_queue_peek_tail(list) : NULL; } return g_queue_peek_head(ov->repeated_opts); } | 24,942 |
0 | static void hextile_enc_cord(uint8_t *ptr, int x, int y, int w, int h) { ptr[0] = ((x & 0x0F) << 4) | (y & 0x0F); ptr[1] = (((w - 1) & 0x0F) << 4) | ((h - 1) & 0x0F); } | 24,943 |
1 | static void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst, int dstWidth, const uint8_t *src, int srcW, int xInc) { int16_t *filterPos = c->hLumFilterPos; int16_t *filter = c->hLumFilter; void *mmx2FilterCode= c->lumMmx2FilterCode; int i; #if defined(PIC) uint64_t ebxsave; #endif #if ARCH_X86_64 uint64_t retsave; #endif __asm__ volatile( #if defined(PIC) "mov %%"REG_b", %5 \n\t" #if ARCH_X86_64 "mov -8(%%rsp), %%"REG_a" \n\t" "mov %%"REG_a", %6 \n\t" #endif #else #if ARCH_X86_64 "mov -8(%%rsp), %%"REG_a" \n\t" "mov %%"REG_a", %5 \n\t" #endif #endif "pxor %%mm7, %%mm7 \n\t" "mov %0, %%"REG_c" \n\t" "mov %1, %%"REG_D" \n\t" "mov %2, %%"REG_d" \n\t" "mov %3, %%"REG_b" \n\t" "xor %%"REG_a", %%"REG_a" \n\t" // i PREFETCH" (%%"REG_c") \n\t" PREFETCH" 32(%%"REG_c") \n\t" PREFETCH" 64(%%"REG_c") \n\t" #if ARCH_X86_64 #define CALL_MMX2_FILTER_CODE \ "movl (%%"REG_b"), %%esi \n\t"\ "call *%4 \n\t"\ "movl (%%"REG_b", %%"REG_a"), %%esi \n\t"\ "add %%"REG_S", %%"REG_c" \n\t"\ "add %%"REG_a", %%"REG_D" \n\t"\ "xor %%"REG_a", %%"REG_a" \n\t"\ #else #define CALL_MMX2_FILTER_CODE \ "movl (%%"REG_b"), %%esi \n\t"\ "call *%4 \n\t"\ "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\ "add %%"REG_a", %%"REG_D" \n\t"\ "xor %%"REG_a", %%"REG_a" \n\t"\ #endif /* ARCH_X86_64 */ CALL_MMX2_FILTER_CODE CALL_MMX2_FILTER_CODE CALL_MMX2_FILTER_CODE CALL_MMX2_FILTER_CODE CALL_MMX2_FILTER_CODE CALL_MMX2_FILTER_CODE CALL_MMX2_FILTER_CODE CALL_MMX2_FILTER_CODE #if defined(PIC) "mov %5, %%"REG_b" \n\t" #if ARCH_X86_64 "mov %6, %%"REG_a" \n\t" "mov %%"REG_a", -8(%%rsp) \n\t" #endif #else #if ARCH_X86_64 "mov %5, %%"REG_a" \n\t" "mov %%"REG_a", -8(%%rsp) \n\t" #endif #endif :: "m" (src), "m" (dst), "m" (filter), "m" (filterPos), "m" (mmx2FilterCode) #if defined(PIC) ,"m" (ebxsave) #endif #if ARCH_X86_64 ,"m"(retsave) #endif : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D #if !defined(PIC) ,"%"REG_b #endif ); for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) dst[i] = src[srcW-1]*128; } | 24,944 |
1 | static int decode_dc_progressive(MJpegDecodeContext *s, int16_t *block, int component, int dc_index, uint16_t *quant_matrix, int Al) { int val; s->bdsp.clear_block(block); val = mjpeg_decode_dc(s, dc_index); if (val == 0xfffff) { av_log(s->avctx, AV_LOG_ERROR, "error dc\n"); return AVERROR_INVALIDDATA; } val = (val * (quant_matrix[0] << Al)) + s->last_dc[component]; s->last_dc[component] = val; block[0] = val; return 0; } | 24,945 |
1 | static void vga_screen_dump_common(VGAState *s, const char *filename, int w, int h) { DisplayState *saved_ds, ds1, *ds = &ds1; DisplayChangeListener dcl; /* XXX: this is a little hackish */ vga_invalidate_display(s); saved_ds = s->ds; memset(ds, 0, sizeof(DisplayState)); memset(&dcl, 0, sizeof(DisplayChangeListener)); dcl.dpy_update = vga_save_dpy_update; dcl.dpy_resize = vga_save_dpy_resize; dcl.dpy_refresh = vga_save_dpy_refresh; register_displaychangelistener(ds, &dcl); ds->surface = qemu_create_displaysurface(ds, w, h); s->ds = ds; s->graphic_mode = -1; vga_update_display(s); ppm_save(filename, ds->surface); qemu_free_displaysurface(ds); s->ds = saved_ds; } | 24,946 |
1 | static int ehci_state_execute(EHCIQueue *q) { EHCIPacket *p = QTAILQ_FIRST(&q->packets); int again = 0; assert(p != NULL); assert(p->qtdaddr == q->qtdaddr); if (ehci_qh_do_overlay(q) != 0) { return -1; } // TODO verify enough time remains in the uframe as in 4.4.1.1 // TODO write back ptr to async list when done or out of time // TODO Windows does not seem to ever set the MULT field if (!q->async) { int transactCtr = get_field(q->qh.epcap, QH_EPCAP_MULT); if (!transactCtr) { ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); again = 1; goto out; } } if (q->async) { ehci_set_usbsts(q->ehci, USBSTS_REC); } p->usb_status = ehci_execute(p, "process"); if (p->usb_status == USB_RET_PROCERR) { again = -1; goto out; } if (p->usb_status == USB_RET_ASYNC) { ehci_flush_qh(q); trace_usb_ehci_packet_action(p->queue, p, "async"); p->async = EHCI_ASYNC_INFLIGHT; ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); again = (ehci_fill_queue(p) == USB_RET_PROCERR) ? -1 : 1; goto out; } ehci_set_state(q->ehci, q->async, EST_EXECUTING); again = 1; out: return again; } | 24,947 |
1 | static void update_msix_table_msg_data(S390PCIBusDevice *pbdev, uint64_t offset, uint64_t *data, uint8_t len) { uint32_t val; uint8_t *msg_data; if (offset % PCI_MSIX_ENTRY_SIZE != 8) { return; } if (len != 4) { DPRINTF("access msix table msg data but len is %d\n", len); return; } msg_data = (uint8_t *)data - offset % PCI_MSIX_ENTRY_SIZE + PCI_MSIX_ENTRY_VECTOR_CTRL; val = pci_get_long(msg_data) | (pbdev->fid << ZPCI_MSI_VEC_BITS); pci_set_long(msg_data, val); DPRINTF("update msix msg_data to 0x%" PRIx64 "\n", *data); } | 24,948 |
1 | static void vp7_idct_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride) { int i, a1, b1, c1, d1; int16_t tmp[16]; for (i = 0; i < 4; i++) { a1 = (block[i * 4 + 0] + block[i * 4 + 2]) * 23170; b1 = (block[i * 4 + 0] - block[i * 4 + 2]) * 23170; c1 = block[i * 4 + 1] * 12540 - block[i * 4 + 3] * 30274; d1 = block[i * 4 + 1] * 30274 + block[i * 4 + 3] * 12540; AV_ZERO64(block + i * 4); tmp[i * 4 + 0] = (a1 + d1) >> 14; tmp[i * 4 + 3] = (a1 - d1) >> 14; tmp[i * 4 + 1] = (b1 + c1) >> 14; tmp[i * 4 + 2] = (b1 - c1) >> 14; } for (i = 0; i < 4; i++) { a1 = (tmp[i + 0] + tmp[i + 8]) * 23170; b1 = (tmp[i + 0] - tmp[i + 8]) * 23170; c1 = tmp[i + 4] * 12540 - tmp[i + 12] * 30274; d1 = tmp[i + 4] * 30274 + tmp[i + 12] * 12540; dst[0 * stride + i] = av_clip_uint8(dst[0 * stride + i] + ((a1 + d1 + 0x20000) >> 18)); dst[3 * stride + i] = av_clip_uint8(dst[3 * stride + i] + ((a1 - d1 + 0x20000) >> 18)); dst[1 * stride + i] = av_clip_uint8(dst[1 * stride + i] + ((b1 + c1 + 0x20000) >> 18)); dst[2 * stride + i] = av_clip_uint8(dst[2 * stride + i] + ((b1 - c1 + 0x20000) >> 18)); } } | 24,949 |
1 | void ff_er_add_slice(ERContext *s, int startx, int starty, int endx, int endy, int status) { const int start_i = av_clip(startx + starty * s->mb_width, 0, s->mb_num - 1); const int end_i = av_clip(endx + endy * s->mb_width, 0, s->mb_num); const int start_xy = s->mb_index2xy[start_i]; const int end_xy = s->mb_index2xy[end_i]; int mask = -1; if (s->avctx->hwaccel && s->avctx->hwaccel->decode_slice) return; if (start_i > end_i || start_xy > end_xy) { av_log(s->avctx, AV_LOG_ERROR, "internal error, slice end before start\n"); return; } if (!s->avctx->error_concealment) return; mask &= ~VP_START; if (status & (ER_AC_ERROR | ER_AC_END)) { mask &= ~(ER_AC_ERROR | ER_AC_END); s->error_count -= end_i - start_i + 1; } if (status & (ER_DC_ERROR | ER_DC_END)) { mask &= ~(ER_DC_ERROR | ER_DC_END); s->error_count -= end_i - start_i + 1; } if (status & (ER_MV_ERROR | ER_MV_END)) { mask &= ~(ER_MV_ERROR | ER_MV_END); s->error_count -= end_i - start_i + 1; } if (status & ER_MB_ERROR) { s->error_occurred = 1; s->error_count = INT_MAX; } if (mask == ~0x7F) { memset(&s->error_status_table[start_xy], 0, (end_xy - start_xy) * sizeof(uint8_t)); } else { int i; for (i = start_xy; i < end_xy; i++) s->error_status_table[i] &= mask; } if (end_i == s->mb_num) s->error_count = INT_MAX; else { s->error_status_table[end_xy] &= mask; s->error_status_table[end_xy] |= status; } s->error_status_table[start_xy] |= VP_START; if (start_xy > 0 && !(s->avctx->active_thread_type & FF_THREAD_SLICE) && er_supported(s) && s->avctx->skip_top * s->mb_width < start_i) { int prev_status = s->error_status_table[s->mb_index2xy[start_i - 1]]; prev_status &= ~ VP_START; if (prev_status != (ER_MV_END | ER_DC_END | ER_AC_END)) { s->error_occurred = 1; s->error_count = INT_MAX; } } } | 24,951 |
1 | static inline void RENAME(yuv2yuvX)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, long dstW, long chrDstW) { if (uDest) { YSCALEYUV2YV12X(CHR_MMX_FILTER_OFFSET, uDest, chrDstW, 0) YSCALEYUV2YV12X(CHR_MMX_FILTER_OFFSET, vDest, chrDstW + c->uv_off, c->uv_off) } if (CONFIG_SWSCALE_ALPHA && aDest) { YSCALEYUV2YV12X(ALP_MMX_FILTER_OFFSET, aDest, dstW, 0) } YSCALEYUV2YV12X(LUM_MMX_FILTER_OFFSET, dest, dstW, 0) } | 24,952 |
1 | void bitmap_clear(unsigned long *map, long start, long nr) { unsigned long *p = map + BIT_WORD(start); const long size = start + nr; int bits_to_clear = BITS_PER_LONG - (start % BITS_PER_LONG); unsigned long mask_to_clear = BITMAP_FIRST_WORD_MASK(start); while (nr - bits_to_clear >= 0) { *p &= ~mask_to_clear; nr -= bits_to_clear; bits_to_clear = BITS_PER_LONG; mask_to_clear = ~0UL; p++; } if (nr) { mask_to_clear &= BITMAP_LAST_WORD_MASK(size); *p &= ~mask_to_clear; } } | 24,954 |
1 | static inline void tcg_temp_free_internal(int idx) { TCGContext *s = &tcg_ctx; TCGTemp *ts; int k; assert(idx >= s->nb_globals && idx < s->nb_temps); ts = &s->temps[idx]; assert(ts->temp_allocated != 0); ts->temp_allocated = 0; k = ts->base_type; if (ts->temp_local) k += TCG_TYPE_COUNT; ts->next_free_temp = s->first_free_temp[k]; s->first_free_temp[k] = idx; | 24,955 |
1 | static void mcf_uart_do_tx(mcf_uart_state *s) { if (s->tx_enabled && (s->sr & MCF_UART_TxEMP) == 0) { if (s->chr) qemu_chr_fe_write(s->chr, (unsigned char *)&s->tb, 1); s->sr |= MCF_UART_TxEMP; } if (s->tx_enabled) { s->sr |= MCF_UART_TxRDY; } else { s->sr &= ~MCF_UART_TxRDY; } } | 24,956 |
0 | int av_cold ff_mlp_init_crc2D(AVCodecParserContext *s) { if (!crc_init_2D) { av_crc_init(crc_2D, 0, 16, 0x002D, sizeof(crc_2D)); crc_init_2D = 1; } return 0; } | 24,957 |
1 | static void mainstone_common_init(MemoryRegion *address_space_mem, MachineState *machine, enum mainstone_model_e model, int arm_id) { uint32_t sector_len = 256 * 1024; hwaddr mainstone_flash_base[] = { MST_FLASH_0, MST_FLASH_1 }; PXA2xxState *mpu; DeviceState *mst_irq; DriveInfo *dinfo; int i; int be; MemoryRegion *rom = g_new(MemoryRegion, 1); const char *cpu_model = machine->cpu_model; if (!cpu_model) cpu_model = "pxa270-c5"; /* Setup CPU & memory */ mpu = pxa270_init(address_space_mem, mainstone_binfo.ram_size, cpu_model); memory_region_init_ram(rom, NULL, "mainstone.rom", MAINSTONE_ROM, &error_abort); vmstate_register_ram_global(rom); memory_region_set_readonly(rom, true); memory_region_add_subregion(address_space_mem, 0, rom); #ifdef TARGET_WORDS_BIGENDIAN be = 1; #else be = 0; #endif /* There are two 32MiB flash devices on the board */ for (i = 0; i < 2; i ++) { dinfo = drive_get(IF_PFLASH, 0, i); if (!dinfo) { if (qtest_enabled()) { break; } fprintf(stderr, "Two flash images must be given with the " "'pflash' parameter\n"); exit(1); } if (!pflash_cfi01_register(mainstone_flash_base[i], NULL, i ? "mainstone.flash1" : "mainstone.flash0", MAINSTONE_FLASH, blk_by_legacy_dinfo(dinfo), sector_len, MAINSTONE_FLASH / sector_len, 4, 0, 0, 0, 0, be)) { fprintf(stderr, "qemu: Error registering flash memory.\n"); exit(1); } } mst_irq = sysbus_create_simple("mainstone-fpga", MST_FPGA_PHYS, qdev_get_gpio_in(mpu->gpio, 0)); /* setup keypad */ pxa27x_register_keypad(mpu->kp, map, 0xe0); /* MMC/SD host */ pxa2xx_mmci_handlers(mpu->mmc, NULL, qdev_get_gpio_in(mst_irq, MMC_IRQ)); pxa2xx_pcmcia_set_irq_cb(mpu->pcmcia[0], qdev_get_gpio_in(mst_irq, S0_IRQ), qdev_get_gpio_in(mst_irq, S0_CD_IRQ)); pxa2xx_pcmcia_set_irq_cb(mpu->pcmcia[1], qdev_get_gpio_in(mst_irq, S1_IRQ), qdev_get_gpio_in(mst_irq, S1_CD_IRQ)); smc91c111_init(&nd_table[0], MST_ETH_PHYS, qdev_get_gpio_in(mst_irq, ETHERNET_IRQ)); mainstone_binfo.kernel_filename = machine->kernel_filename; mainstone_binfo.kernel_cmdline = machine->kernel_cmdline; mainstone_binfo.initrd_filename = machine->initrd_filename; mainstone_binfo.board_id = arm_id; arm_load_kernel(mpu->cpu, &mainstone_binfo); } | 24,958 |
1 | Visitor *validate_test_init(TestInputVisitorData *data, const char *json_string, ...) { Visitor *v; va_list ap; va_start(ap, json_string); data->obj = qobject_from_jsonv(json_string, &ap); va_end(ap); g_assert(data->obj != NULL); data->qiv = qmp_input_visitor_new_strict(data->obj); g_assert(data->qiv != NULL); v = qmp_input_get_visitor(data->qiv); g_assert(v != NULL); return v; } | 24,959 |
1 | void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, void *opaque, QJSON *vmdesc) { VMStateField *field = vmsd->fields; trace_vmstate_save_state_top(vmsd->name); if (vmsd->pre_save) { vmsd->pre_save(opaque); } if (vmdesc) { json_prop_str(vmdesc, "vmsd_name", vmsd->name); json_prop_int(vmdesc, "version", vmsd->version_id); json_start_array(vmdesc, "fields"); } while (field->name) { if (!field->field_exists || field->field_exists(opaque, vmsd->version_id)) { void *first_elem = opaque + field->offset; int i, n_elems = vmstate_n_elems(opaque, field); int size = vmstate_size(opaque, field); int64_t old_offset, written_bytes; QJSON *vmdesc_loop = vmdesc; trace_vmstate_save_state_loop(vmsd->name, field->name, n_elems); if (field->flags & VMS_POINTER) { first_elem = *(void **)first_elem; assert(first_elem || !n_elems); } for (i = 0; i < n_elems; i++) { void *curr_elem = first_elem + size * i; vmsd_desc_field_start(vmsd, vmdesc_loop, field, i, n_elems); old_offset = qemu_ftell_fast(f); if (field->flags & VMS_ARRAY_OF_POINTER) { assert(curr_elem); curr_elem = *(void **)curr_elem; } if (field->flags & VMS_STRUCT) { vmstate_save_state(f, field->vmsd, curr_elem, vmdesc_loop); } else { field->info->put(f, curr_elem, size, field, vmdesc_loop); } written_bytes = qemu_ftell_fast(f) - old_offset; vmsd_desc_field_end(vmsd, vmdesc_loop, field, written_bytes, i); /* Compressed arrays only care about the first element */ if (vmdesc_loop && vmsd_can_compress(field)) { vmdesc_loop = NULL; } } } else { if (field->flags & VMS_MUST_EXIST) { error_report("Output state validation failed: %s/%s", vmsd->name, field->name); assert(!(field->flags & VMS_MUST_EXIST)); } } field++; } if (vmdesc) { json_end_array(vmdesc); } vmstate_subsection_save(f, vmsd, opaque, vmdesc); } | 24,960 |
1 | static AVStream *add_av_stream1(FFServerStream *stream, AVCodecContext *codec, int copy) { AVStream *fst; if(stream->nb_streams >= FF_ARRAY_ELEMS(stream->streams)) return NULL; fst = av_mallocz(sizeof(AVStream)); if (!fst) return NULL; if (copy) { fst->codec = avcodec_alloc_context3(codec->codec); if (!fst->codec) { av_free(fst); return NULL; } avcodec_copy_context(fst->codec, codec); } else /* live streams must use the actual feed's codec since it may be * updated later to carry extradata needed by them. */ fst->codec = codec; fst->priv_data = av_mallocz(sizeof(FeedData)); fst->index = stream->nb_streams; avpriv_set_pts_info(fst, 33, 1, 90000); fst->sample_aspect_ratio = codec->sample_aspect_ratio; stream->streams[stream->nb_streams++] = fst; return fst; } | 24,961 |
1 | static av_cold int vp3_decode_init(AVCodecContext *avctx) { Vp3DecodeContext *s = avctx->priv_data; int i, inter, plane; int c_width; int c_height; int y_fragment_count, c_fragment_count; if (avctx->codec_tag == MKTAG('V','P','3','0')) s->version = 0; else s->version = 1; s->avctx = avctx; s->width = FFALIGN(avctx->width, 16); s->height = FFALIGN(avctx->height, 16); if (avctx->pix_fmt == PIX_FMT_NONE) avctx->pix_fmt = PIX_FMT_YUV420P; avctx->chroma_sample_location = AVCHROMA_LOC_CENTER; if(avctx->idct_algo==FF_IDCT_AUTO) avctx->idct_algo=FF_IDCT_VP3; ff_dsputil_init(&s->dsp, avctx); ff_init_scantable(s->dsp.idct_permutation, &s->scantable, ff_zigzag_direct); /* initialize to an impossible value which will force a recalculation * in the first frame decode */ for (i = 0; i < 3; i++) s->qps[i] = -1; avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_x_shift, &s->chroma_y_shift); s->y_superblock_width = (s->width + 31) / 32; s->y_superblock_height = (s->height + 31) / 32; s->y_superblock_count = s->y_superblock_width * s->y_superblock_height; /* work out the dimensions for the C planes */ c_width = s->width >> s->chroma_x_shift; c_height = s->height >> s->chroma_y_shift; s->c_superblock_width = (c_width + 31) / 32; s->c_superblock_height = (c_height + 31) / 32; s->c_superblock_count = s->c_superblock_width * s->c_superblock_height; s->superblock_count = s->y_superblock_count + (s->c_superblock_count * 2); s->u_superblock_start = s->y_superblock_count; s->v_superblock_start = s->u_superblock_start + s->c_superblock_count; s->macroblock_width = (s->width + 15) / 16; s->macroblock_height = (s->height + 15) / 16; s->macroblock_count = s->macroblock_width * s->macroblock_height; s->fragment_width[0] = s->width / FRAGMENT_PIXELS; s->fragment_height[0] = s->height / FRAGMENT_PIXELS; s->fragment_width[1] = s->fragment_width[0] >> s->chroma_x_shift; s->fragment_height[1] = s->fragment_height[0] >> s->chroma_y_shift; /* fragment count covers all 8x8 blocks for all 3 planes */ y_fragment_count = s->fragment_width[0] * s->fragment_height[0]; c_fragment_count = s->fragment_width[1] * s->fragment_height[1]; s->fragment_count = y_fragment_count + 2*c_fragment_count; s->fragment_start[1] = y_fragment_count; s->fragment_start[2] = y_fragment_count + c_fragment_count; if (!s->theora_tables) { for (i = 0; i < 64; i++) { s->coded_dc_scale_factor[i] = vp31_dc_scale_factor[i]; s->coded_ac_scale_factor[i] = vp31_ac_scale_factor[i]; s->base_matrix[0][i] = vp31_intra_y_dequant[i]; s->base_matrix[1][i] = vp31_intra_c_dequant[i]; s->base_matrix[2][i] = vp31_inter_dequant[i]; s->filter_limit_values[i] = vp31_filter_limit_values[i]; } for(inter=0; inter<2; inter++){ for(plane=0; plane<3; plane++){ s->qr_count[inter][plane]= 1; s->qr_size [inter][plane][0]= 63; s->qr_base [inter][plane][0]= s->qr_base [inter][plane][1]= 2*inter + (!!plane)*!inter; } } /* init VLC tables */ for (i = 0; i < 16; i++) { /* DC histograms */ init_vlc(&s->dc_vlc[i], 11, 32, &dc_bias[i][0][1], 4, 2, &dc_bias[i][0][0], 4, 2, 0); /* group 1 AC histograms */ init_vlc(&s->ac_vlc_1[i], 11, 32, &ac_bias_0[i][0][1], 4, 2, &ac_bias_0[i][0][0], 4, 2, 0); /* group 2 AC histograms */ init_vlc(&s->ac_vlc_2[i], 11, 32, &ac_bias_1[i][0][1], 4, 2, &ac_bias_1[i][0][0], 4, 2, 0); /* group 3 AC histograms */ init_vlc(&s->ac_vlc_3[i], 11, 32, &ac_bias_2[i][0][1], 4, 2, &ac_bias_2[i][0][0], 4, 2, 0); /* group 4 AC histograms */ init_vlc(&s->ac_vlc_4[i], 11, 32, &ac_bias_3[i][0][1], 4, 2, &ac_bias_3[i][0][0], 4, 2, 0); } } else { for (i = 0; i < 16; i++) { /* DC histograms */ if (init_vlc(&s->dc_vlc[i], 11, 32, &s->huffman_table[i][0][1], 8, 4, &s->huffman_table[i][0][0], 8, 4, 0) < 0) goto vlc_fail; /* group 1 AC histograms */ if (init_vlc(&s->ac_vlc_1[i], 11, 32, &s->huffman_table[i+16][0][1], 8, 4, &s->huffman_table[i+16][0][0], 8, 4, 0) < 0) goto vlc_fail; /* group 2 AC histograms */ if (init_vlc(&s->ac_vlc_2[i], 11, 32, &s->huffman_table[i+16*2][0][1], 8, 4, &s->huffman_table[i+16*2][0][0], 8, 4, 0) < 0) goto vlc_fail; /* group 3 AC histograms */ if (init_vlc(&s->ac_vlc_3[i], 11, 32, &s->huffman_table[i+16*3][0][1], 8, 4, &s->huffman_table[i+16*3][0][0], 8, 4, 0) < 0) goto vlc_fail; /* group 4 AC histograms */ if (init_vlc(&s->ac_vlc_4[i], 11, 32, &s->huffman_table[i+16*4][0][1], 8, 4, &s->huffman_table[i+16*4][0][0], 8, 4, 0) < 0) goto vlc_fail; } } init_vlc(&s->superblock_run_length_vlc, 6, 34, &superblock_run_length_vlc_table[0][1], 4, 2, &superblock_run_length_vlc_table[0][0], 4, 2, 0); init_vlc(&s->fragment_run_length_vlc, 5, 30, &fragment_run_length_vlc_table[0][1], 4, 2, &fragment_run_length_vlc_table[0][0], 4, 2, 0); init_vlc(&s->mode_code_vlc, 3, 8, &mode_code_vlc_table[0][1], 2, 1, &mode_code_vlc_table[0][0], 2, 1, 0); init_vlc(&s->motion_vector_vlc, 6, 63, &motion_vector_vlc_table[0][1], 2, 1, &motion_vector_vlc_table[0][0], 2, 1, 0); for (i = 0; i < 3; i++) { s->current_frame.data[i] = NULL; s->last_frame.data[i] = NULL; s->golden_frame.data[i] = NULL; } return allocate_tables(avctx); vlc_fail: av_log(avctx, AV_LOG_FATAL, "Invalid huffman table\n"); return -1; } | 24,962 |
0 | static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width) { #ifdef HAVE_MMX asm volatile( "mov %4, %%"REG_a" \n\t" "movq "MANGLE(w1111)", %%mm5 \n\t" "movq "MANGLE(bgr2UCoeff)", %%mm6 \n\t" "pxor %%mm7, %%mm7 \n\t" "lea (%%"REG_a", %%"REG_a", 2), %%"REG_b" \n\t" "add %%"REG_b", %%"REG_b" \n\t" ASMALIGN16 "1: \n\t" PREFETCH" 64(%0, %%"REG_b") \n\t" PREFETCH" 64(%1, %%"REG_b") \n\t" #if defined (HAVE_MMX2) || defined (HAVE_3DNOW) "movq (%0, %%"REG_b"), %%mm0 \n\t" "movq (%1, %%"REG_b"), %%mm1 \n\t" "movq 6(%0, %%"REG_b"), %%mm2 \n\t" "movq 6(%1, %%"REG_b"), %%mm3 \n\t" PAVGB(%%mm1, %%mm0) PAVGB(%%mm3, %%mm2) "movq %%mm0, %%mm1 \n\t" "movq %%mm2, %%mm3 \n\t" "psrlq $24, %%mm0 \n\t" "psrlq $24, %%mm2 \n\t" PAVGB(%%mm1, %%mm0) PAVGB(%%mm3, %%mm2) "punpcklbw %%mm7, %%mm0 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" #else "movd (%0, %%"REG_b"), %%mm0 \n\t" "movd (%1, %%"REG_b"), %%mm1 \n\t" "movd 3(%0, %%"REG_b"), %%mm2 \n\t" "movd 3(%1, %%"REG_b"), %%mm3 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" "punpcklbw %%mm7, %%mm1 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "punpcklbw %%mm7, %%mm3 \n\t" "paddw %%mm1, %%mm0 \n\t" "paddw %%mm3, %%mm2 \n\t" "paddw %%mm2, %%mm0 \n\t" "movd 6(%0, %%"REG_b"), %%mm4 \n\t" "movd 6(%1, %%"REG_b"), %%mm1 \n\t" "movd 9(%0, %%"REG_b"), %%mm2 \n\t" "movd 9(%1, %%"REG_b"), %%mm3 \n\t" "punpcklbw %%mm7, %%mm4 \n\t" "punpcklbw %%mm7, %%mm1 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "punpcklbw %%mm7, %%mm3 \n\t" "paddw %%mm1, %%mm4 \n\t" "paddw %%mm3, %%mm2 \n\t" "paddw %%mm4, %%mm2 \n\t" "psrlw $2, %%mm0 \n\t" "psrlw $2, %%mm2 \n\t" #endif "movq "MANGLE(bgr2VCoeff)", %%mm1 \n\t" "movq "MANGLE(bgr2VCoeff)", %%mm3 \n\t" "pmaddwd %%mm0, %%mm1 \n\t" "pmaddwd %%mm2, %%mm3 \n\t" "pmaddwd %%mm6, %%mm0 \n\t" "pmaddwd %%mm6, %%mm2 \n\t" #ifndef FAST_BGR2YV12 "psrad $8, %%mm0 \n\t" "psrad $8, %%mm1 \n\t" "psrad $8, %%mm2 \n\t" "psrad $8, %%mm3 \n\t" #endif "packssdw %%mm2, %%mm0 \n\t" "packssdw %%mm3, %%mm1 \n\t" "pmaddwd %%mm5, %%mm0 \n\t" "pmaddwd %%mm5, %%mm1 \n\t" "packssdw %%mm1, %%mm0 \n\t" // V1 V0 U1 U0 "psraw $7, %%mm0 \n\t" #if defined (HAVE_MMX2) || defined (HAVE_3DNOW) "movq 12(%0, %%"REG_b"), %%mm4 \n\t" "movq 12(%1, %%"REG_b"), %%mm1 \n\t" "movq 18(%0, %%"REG_b"), %%mm2 \n\t" "movq 18(%1, %%"REG_b"), %%mm3 \n\t" PAVGB(%%mm1, %%mm4) PAVGB(%%mm3, %%mm2) "movq %%mm4, %%mm1 \n\t" "movq %%mm2, %%mm3 \n\t" "psrlq $24, %%mm4 \n\t" "psrlq $24, %%mm2 \n\t" PAVGB(%%mm1, %%mm4) PAVGB(%%mm3, %%mm2) "punpcklbw %%mm7, %%mm4 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" #else "movd 12(%0, %%"REG_b"), %%mm4 \n\t" "movd 12(%1, %%"REG_b"), %%mm1 \n\t" "movd 15(%0, %%"REG_b"), %%mm2 \n\t" "movd 15(%1, %%"REG_b"), %%mm3 \n\t" "punpcklbw %%mm7, %%mm4 \n\t" "punpcklbw %%mm7, %%mm1 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "punpcklbw %%mm7, %%mm3 \n\t" "paddw %%mm1, %%mm4 \n\t" "paddw %%mm3, %%mm2 \n\t" "paddw %%mm2, %%mm4 \n\t" "movd 18(%0, %%"REG_b"), %%mm5 \n\t" "movd 18(%1, %%"REG_b"), %%mm1 \n\t" "movd 21(%0, %%"REG_b"), %%mm2 \n\t" "movd 21(%1, %%"REG_b"), %%mm3 \n\t" "punpcklbw %%mm7, %%mm5 \n\t" "punpcklbw %%mm7, %%mm1 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "punpcklbw %%mm7, %%mm3 \n\t" "paddw %%mm1, %%mm5 \n\t" "paddw %%mm3, %%mm2 \n\t" "paddw %%mm5, %%mm2 \n\t" "movq "MANGLE(w1111)", %%mm5 \n\t" "psrlw $2, %%mm4 \n\t" "psrlw $2, %%mm2 \n\t" #endif "movq "MANGLE(bgr2VCoeff)", %%mm1 \n\t" "movq "MANGLE(bgr2VCoeff)", %%mm3 \n\t" "pmaddwd %%mm4, %%mm1 \n\t" "pmaddwd %%mm2, %%mm3 \n\t" "pmaddwd %%mm6, %%mm4 \n\t" "pmaddwd %%mm6, %%mm2 \n\t" #ifndef FAST_BGR2YV12 "psrad $8, %%mm4 \n\t" "psrad $8, %%mm1 \n\t" "psrad $8, %%mm2 \n\t" "psrad $8, %%mm3 \n\t" #endif "packssdw %%mm2, %%mm4 \n\t" "packssdw %%mm3, %%mm1 \n\t" "pmaddwd %%mm5, %%mm4 \n\t" "pmaddwd %%mm5, %%mm1 \n\t" "add $24, %%"REG_b" \n\t" "packssdw %%mm1, %%mm4 \n\t" // V3 V2 U3 U2 "psraw $7, %%mm4 \n\t" "movq %%mm0, %%mm1 \n\t" "punpckldq %%mm4, %%mm0 \n\t" "punpckhdq %%mm4, %%mm1 \n\t" "packsswb %%mm1, %%mm0 \n\t" "paddb "MANGLE(bgr2UVOffset)", %%mm0 \n\t" "movd %%mm0, (%2, %%"REG_a") \n\t" "punpckhdq %%mm0, %%mm0 \n\t" "movd %%mm0, (%3, %%"REG_a") \n\t" "add $4, %%"REG_a" \n\t" " js 1b \n\t" : : "r" (src1+width*6), "r" (src2+width*6), "r" (dstU+width), "r" (dstV+width), "g" (-width) : "%"REG_a, "%"REG_b ); #else int i; for(i=0; i<width; i++) { int b= src1[6*i + 0] + src1[6*i + 3] + src2[6*i + 0] + src2[6*i + 3]; int g= src1[6*i + 1] + src1[6*i + 4] + src2[6*i + 1] + src2[6*i + 4]; int r= src1[6*i + 2] + src1[6*i + 5] + src2[6*i + 2] + src2[6*i + 5]; dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+2)) + 128; dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+2)) + 128; } #endif } | 24,963 |
0 | static av_cold int fbdev_write_header(AVFormatContext *h) { FBDevContext *fbdev = h->priv_data; enum AVPixelFormat pix_fmt; AVStream *st = NULL; int ret, flags = O_RDWR; int i; for (i = 0; i < h->nb_streams; i++) { if (h->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO) { if (!st) { fbdev->index = i; st = h->streams[i]; } else { av_log(h, AV_LOG_WARNING, "More than one video stream found. First one is used.\n"); break; } } } if (!st) { av_log(h, AV_LOG_ERROR, "No video stream found.\n"); return AVERROR(EINVAL); } if ((fbdev->fd = avpriv_open(h->filename, flags)) == -1) { ret = AVERROR(errno); av_log(h, AV_LOG_ERROR, "Could not open framebuffer device '%s': %s\n", h->filename, av_err2str(ret)); return ret; } if (ioctl(fbdev->fd, FBIOGET_VSCREENINFO, &fbdev->varinfo) < 0) { ret = AVERROR(errno); av_log(h, AV_LOG_ERROR, "FBIOGET_VSCREENINFO: %s\n", av_err2str(ret)); goto fail; } if (ioctl(fbdev->fd, FBIOGET_FSCREENINFO, &fbdev->fixinfo) < 0) { ret = AVERROR(errno); av_log(h, AV_LOG_ERROR, "FBIOGET_FSCREENINFO: %s\n", av_err2str(ret)); goto fail; } pix_fmt = ff_get_pixfmt_from_fb_varinfo(&fbdev->varinfo); if (pix_fmt == AV_PIX_FMT_NONE) { ret = AVERROR(EINVAL); av_log(h, AV_LOG_ERROR, "Framebuffer pixel format not supported.\n"); goto fail; } fbdev->data = mmap(NULL, fbdev->fixinfo.smem_len, PROT_WRITE, MAP_SHARED, fbdev->fd, 0); if (fbdev->data == MAP_FAILED) { ret = AVERROR(errno); av_log(h, AV_LOG_ERROR, "Error in mmap(): %s\n", av_err2str(ret)); goto fail; } return 0; fail: close(fbdev->fd); return ret; } | 24,964 |
1 | static int qcow2_truncate(BlockDriverState *bs, int64_t offset) { BDRVQcowState *s = bs->opaque; int ret, new_l1_size; if (offset & 511) { return -EINVAL; } /* cannot proceed if image has snapshots */ if (s->nb_snapshots) { return -ENOTSUP; } /* shrinking is currently not supported */ if (offset < bs->total_sectors * 512) { return -ENOTSUP; } new_l1_size = size_to_l1(s, offset); ret = qcow2_grow_l1_table(bs, new_l1_size); if (ret < 0) { return ret; } /* write updated header.size */ offset = cpu_to_be64(offset); ret = bdrv_pwrite(bs->file, offsetof(QCowHeader, size), &offset, sizeof(uint64_t)); if (ret < 0) { return ret; } s->l1_vm_state_index = new_l1_size; return 0; } | 24,967 |
1 | int qemu_mutex_trylock(QemuMutex *mutex) { int owned; owned = TryEnterCriticalSection(&mutex->lock); if (owned) { assert(mutex->owner == 0); mutex->owner = GetCurrentThreadId(); } return !owned; } | 24,969 |
1 | static void nic_reset(void *opaque) { EEPRO100State *s = opaque; TRACE(OTHER, logout("%p\n", s)); /* TODO: Clearing of multicast table for selective reset, too? */ memset(&s->mult[0], 0, sizeof(s->mult)); nic_selective_reset(s); } | 24,970 |
1 | static void usb_mtp_object_readdir(MTPState *s, MTPObject *o) { struct dirent *entry; DIR *dir; if (o->have_children) { return; } o->have_children = true; dir = opendir(o->path); if (!dir) { return; } #ifdef __linux__ int watchfd = usb_mtp_add_watch(s->inotifyfd, o->path); if (watchfd == -1) { fprintf(stderr, "usb-mtp: failed to add watch for %s\n", o->path); } else { trace_usb_mtp_inotify_event(s->dev.addr, o->path, 0, "Watch Added"); o->watchfd = watchfd; } #endif while ((entry = readdir(dir)) != NULL) { usb_mtp_add_child(s, o, entry->d_name); } closedir(dir); } | 24,971 |
0 | static int swScale(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[]) { /* load a few things into local vars to make the code more readable? * and faster */ const int srcW = c->srcW; const int dstW = c->dstW; const int dstH = c->dstH; const int chrDstW = c->chrDstW; const int chrSrcW = c->chrSrcW; const int lumXInc = c->lumXInc; const int chrXInc = c->chrXInc; const enum PixelFormat dstFormat = c->dstFormat; const int flags = c->flags; int32_t *vLumFilterPos = c->vLumFilterPos; int32_t *vChrFilterPos = c->vChrFilterPos; int32_t *hLumFilterPos = c->hLumFilterPos; int32_t *hChrFilterPos = c->hChrFilterPos; int16_t *vLumFilter = c->vLumFilter; int16_t *vChrFilter = c->vChrFilter; int16_t *hLumFilter = c->hLumFilter; int16_t *hChrFilter = c->hChrFilter; int32_t *lumMmxFilter = c->lumMmxFilter; int32_t *chrMmxFilter = c->chrMmxFilter; const int vLumFilterSize = c->vLumFilterSize; const int vChrFilterSize = c->vChrFilterSize; const int hLumFilterSize = c->hLumFilterSize; const int hChrFilterSize = c->hChrFilterSize; int16_t **lumPixBuf = c->lumPixBuf; int16_t **chrUPixBuf = c->chrUPixBuf; int16_t **chrVPixBuf = c->chrVPixBuf; int16_t **alpPixBuf = c->alpPixBuf; const int vLumBufSize = c->vLumBufSize; const int vChrBufSize = c->vChrBufSize; uint8_t *formatConvBuffer = c->formatConvBuffer; uint32_t *pal = c->pal_yuv; yuv2planar1_fn yuv2plane1 = c->yuv2plane1; yuv2planarX_fn yuv2planeX = c->yuv2planeX; yuv2interleavedX_fn yuv2nv12cX = c->yuv2nv12cX; yuv2packed1_fn yuv2packed1 = c->yuv2packed1; yuv2packed2_fn yuv2packed2 = c->yuv2packed2; yuv2packedX_fn yuv2packedX = c->yuv2packedX; const int chrSrcSliceY = srcSliceY >> c->chrSrcVSubSample; const int chrSrcSliceH = -((-srcSliceH) >> c->chrSrcVSubSample); int should_dither = is9_OR_10BPS(c->srcFormat) || is16BPS(c->srcFormat); int lastDstY; /* vars which will change and which we need to store back in the context */ int dstY = c->dstY; int lumBufIndex = c->lumBufIndex; int chrBufIndex = c->chrBufIndex; int lastInLumBuf = c->lastInLumBuf; int lastInChrBuf = c->lastInChrBuf; if (isPacked(c->srcFormat)) { src[0] = src[1] = src[2] = src[3] = src[0]; srcStride[0] = srcStride[1] = srcStride[2] = srcStride[3] = srcStride[0]; } srcStride[1] <<= c->vChrDrop; srcStride[2] <<= c->vChrDrop; DEBUG_BUFFERS("swScale() %p[%d] %p[%d] %p[%d] %p[%d] -> %p[%d] %p[%d] %p[%d] %p[%d]\n", src[0], srcStride[0], src[1], srcStride[1], src[2], srcStride[2], src[3], srcStride[3], dst[0], dstStride[0], dst[1], dstStride[1], dst[2], dstStride[2], dst[3], dstStride[3]); DEBUG_BUFFERS("srcSliceY: %d srcSliceH: %d dstY: %d dstH: %d\n", srcSliceY, srcSliceH, dstY, dstH); DEBUG_BUFFERS("vLumFilterSize: %d vLumBufSize: %d vChrFilterSize: %d vChrBufSize: %d\n", vLumFilterSize, vLumBufSize, vChrFilterSize, vChrBufSize); if (dstStride[0] % 8 != 0 || dstStride[1] % 8 != 0 || dstStride[2] % 8 != 0 || dstStride[3] % 8 != 0) { static int warnedAlready = 0; // FIXME maybe move this into the context if (flags & SWS_PRINT_INFO && !warnedAlready) { av_log(c, AV_LOG_WARNING, "Warning: dstStride is not aligned!\n" " ->cannot do aligned memory accesses anymore\n"); warnedAlready = 1; } } /* Note the user might start scaling the picture in the middle so this * will not get executed. This is not really intended but works * currently, so people might do it. */ if (srcSliceY == 0) { lumBufIndex = -1; chrBufIndex = -1; dstY = 0; lastInLumBuf = -1; lastInChrBuf = -1; } if (!should_dither) { c->chrDither8 = c->lumDither8 = ff_sws_pb_64; } lastDstY = dstY; for (; dstY < dstH; dstY++) { const int chrDstY = dstY >> c->chrDstVSubSample; uint8_t *dest[4] = { dst[0] + dstStride[0] * dstY, dst[1] + dstStride[1] * chrDstY, dst[2] + dstStride[2] * chrDstY, (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? dst[3] + dstStride[3] * dstY : NULL, }; // First line needed as input const int firstLumSrcY = FFMAX(1 - vLumFilterSize, vLumFilterPos[dstY]); const int firstLumSrcY2 = FFMAX(1 - vLumFilterSize, vLumFilterPos[FFMIN(dstY | ((1 << c->chrDstVSubSample) - 1), dstH - 1)]); // First line needed as input const int firstChrSrcY = FFMAX(1 - vChrFilterSize, vChrFilterPos[chrDstY]); // Last line needed as input int lastLumSrcY = FFMIN(c->srcH, firstLumSrcY + vLumFilterSize) - 1; int lastLumSrcY2 = FFMIN(c->srcH, firstLumSrcY2 + vLumFilterSize) - 1; int lastChrSrcY = FFMIN(c->chrSrcH, firstChrSrcY + vChrFilterSize) - 1; int enough_lines; // handle holes (FAST_BILINEAR & weird filters) if (firstLumSrcY > lastInLumBuf) lastInLumBuf = firstLumSrcY - 1; if (firstChrSrcY > lastInChrBuf) lastInChrBuf = firstChrSrcY - 1; assert(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1); assert(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1); DEBUG_BUFFERS("dstY: %d\n", dstY); DEBUG_BUFFERS("\tfirstLumSrcY: %d lastLumSrcY: %d lastInLumBuf: %d\n", firstLumSrcY, lastLumSrcY, lastInLumBuf); DEBUG_BUFFERS("\tfirstChrSrcY: %d lastChrSrcY: %d lastInChrBuf: %d\n", firstChrSrcY, lastChrSrcY, lastInChrBuf); // Do we have enough lines in this slice to output the dstY line enough_lines = lastLumSrcY2 < srcSliceY + srcSliceH && lastChrSrcY < -((-srcSliceY - srcSliceH) >> c->chrSrcVSubSample); if (!enough_lines) { lastLumSrcY = srcSliceY + srcSliceH - 1; lastChrSrcY = chrSrcSliceY + chrSrcSliceH - 1; DEBUG_BUFFERS("buffering slice: lastLumSrcY %d lastChrSrcY %d\n", lastLumSrcY, lastChrSrcY); } // Do horizontal scaling while (lastInLumBuf < lastLumSrcY) { const uint8_t *src1[4] = { src[0] + (lastInLumBuf + 1 - srcSliceY) * srcStride[0], src[1] + (lastInLumBuf + 1 - srcSliceY) * srcStride[1], src[2] + (lastInLumBuf + 1 - srcSliceY) * srcStride[2], src[3] + (lastInLumBuf + 1 - srcSliceY) * srcStride[3], }; lumBufIndex++; assert(lumBufIndex < 2 * vLumBufSize); assert(lastInLumBuf + 1 - srcSliceY < srcSliceH); assert(lastInLumBuf + 1 - srcSliceY >= 0); hyscale(c, lumPixBuf[lumBufIndex], dstW, src1, srcW, lumXInc, hLumFilter, hLumFilterPos, hLumFilterSize, formatConvBuffer, pal, 0); if (CONFIG_SWSCALE_ALPHA && alpPixBuf) hyscale(c, alpPixBuf[lumBufIndex], dstW, src1, srcW, lumXInc, hLumFilter, hLumFilterPos, hLumFilterSize, formatConvBuffer, pal, 1); lastInLumBuf++; DEBUG_BUFFERS("\t\tlumBufIndex %d: lastInLumBuf: %d\n", lumBufIndex, lastInLumBuf); } while (lastInChrBuf < lastChrSrcY) { const uint8_t *src1[4] = { src[0] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[0], src[1] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[1], src[2] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[2], src[3] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[3], }; chrBufIndex++; assert(chrBufIndex < 2 * vChrBufSize); assert(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH)); assert(lastInChrBuf + 1 - chrSrcSliceY >= 0); // FIXME replace parameters through context struct (some at least) if (c->needs_hcscale) hcscale(c, chrUPixBuf[chrBufIndex], chrVPixBuf[chrBufIndex], chrDstW, src1, chrSrcW, chrXInc, hChrFilter, hChrFilterPos, hChrFilterSize, formatConvBuffer, pal); lastInChrBuf++; DEBUG_BUFFERS("\t\tchrBufIndex %d: lastInChrBuf: %d\n", chrBufIndex, lastInChrBuf); } // wrap buf index around to stay inside the ring buffer if (lumBufIndex >= vLumBufSize) lumBufIndex -= vLumBufSize; if (chrBufIndex >= vChrBufSize) chrBufIndex -= vChrBufSize; if (!enough_lines) break; // we can't output a dstY line so let's try with the next slice #if HAVE_MMX updateMMXDitherTables(c, dstY, lumBufIndex, chrBufIndex, lastInLumBuf, lastInChrBuf); #endif if (should_dither) { c->chrDither8 = dither_8x8_128[chrDstY & 7]; c->lumDither8 = dither_8x8_128[dstY & 7]; } if (dstY >= dstH - 2) { /* hmm looks like we can't use MMX here without overwriting * this array's tail */ ff_sws_init_output_funcs(c, &yuv2plane1, &yuv2planeX, &yuv2nv12cX, &yuv2packed1, &yuv2packed2, &yuv2packedX); } { const int16_t **lumSrcPtr = (const int16_t **)lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize; const int16_t **chrUSrcPtr = (const int16_t **)chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize; const int16_t **chrVSrcPtr = (const int16_t **)chrVPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize; const int16_t **alpSrcPtr = (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **)alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL; if (firstLumSrcY < 0 || firstLumSrcY + vLumFilterSize > c->srcH) { const int16_t **tmpY = (const int16_t **)lumPixBuf + 2 * vLumBufSize; int neg = -firstLumSrcY, i; int end = FFMIN(c->srcH - firstLumSrcY, vLumFilterSize); for (i = 0; i < neg; i++) tmpY[i] = lumSrcPtr[neg]; for (; i < end; i++) tmpY[i] = lumSrcPtr[i]; for (; i < vLumFilterSize; i++) tmpY[i] = tmpY[i - 1]; lumSrcPtr = tmpY; if (alpSrcPtr) { const int16_t **tmpA = (const int16_t **)alpPixBuf + 2 * vLumBufSize; for (i = 0; i < neg; i++) tmpA[i] = alpSrcPtr[neg]; for (; i < end; i++) tmpA[i] = alpSrcPtr[i]; for (; i < vLumFilterSize; i++) tmpA[i] = tmpA[i - 1]; alpSrcPtr = tmpA; } } if (firstChrSrcY < 0 || firstChrSrcY + vChrFilterSize > c->chrSrcH) { const int16_t **tmpU = (const int16_t **)chrUPixBuf + 2 * vChrBufSize, **tmpV = (const int16_t **)chrVPixBuf + 2 * vChrBufSize; int neg = -firstChrSrcY, i; int end = FFMIN(c->chrSrcH - firstChrSrcY, vChrFilterSize); for (i = 0; i < neg; i++) { tmpU[i] = chrUSrcPtr[neg]; tmpV[i] = chrVSrcPtr[neg]; } for (; i < end; i++) { tmpU[i] = chrUSrcPtr[i]; tmpV[i] = chrVSrcPtr[i]; } for (; i < vChrFilterSize; i++) { tmpU[i] = tmpU[i - 1]; tmpV[i] = tmpV[i - 1]; } chrUSrcPtr = tmpU; chrVSrcPtr = tmpV; } if (isPlanarYUV(dstFormat) || (isGray(dstFormat) && !isALPHA(dstFormat))) { // YV12 like const int chrSkipMask = (1 << c->chrDstVSubSample) - 1; if (vLumFilterSize == 1) { yuv2plane1(lumSrcPtr[0], dest[0], dstW, c->lumDither8, 0); } else { yuv2planeX(vLumFilter + dstY * vLumFilterSize, vLumFilterSize, lumSrcPtr, dest[0], dstW, c->lumDither8, 0); } if (!((dstY & chrSkipMask) || isGray(dstFormat))) { if (yuv2nv12cX) { yuv2nv12cX(c, vChrFilter + chrDstY * vChrFilterSize, vChrFilterSize, chrUSrcPtr, chrVSrcPtr, dest[1], chrDstW); } else if (vChrFilterSize == 1) { yuv2plane1(chrUSrcPtr[0], dest[1], chrDstW, c->chrDither8, 0); yuv2plane1(chrVSrcPtr[0], dest[2], chrDstW, c->chrDither8, 3); } else { yuv2planeX(vChrFilter + chrDstY * vChrFilterSize, vChrFilterSize, chrUSrcPtr, dest[1], chrDstW, c->chrDither8, 0); yuv2planeX(vChrFilter + chrDstY * vChrFilterSize, vChrFilterSize, chrVSrcPtr, dest[2], chrDstW, c->chrDither8, 3); } } if (CONFIG_SWSCALE_ALPHA && alpPixBuf) { if (vLumFilterSize == 1) { yuv2plane1(alpSrcPtr[0], dest[3], dstW, c->lumDither8, 0); } else { yuv2planeX(vLumFilter + dstY * vLumFilterSize, vLumFilterSize, alpSrcPtr, dest[3], dstW, c->lumDither8, 0); } } } else { assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize * 2); assert(chrUSrcPtr + vChrFilterSize - 1 < chrUPixBuf + vChrBufSize * 2); if (c->yuv2packed1 && vLumFilterSize == 1 && vChrFilterSize <= 2) { // unscaled RGB int chrAlpha = vChrFilterSize == 1 ? 0 : vChrFilter[2 * dstY + 1]; yuv2packed1(c, *lumSrcPtr, chrUSrcPtr, chrVSrcPtr, alpPixBuf ? *alpSrcPtr : NULL, dest[0], dstW, chrAlpha, dstY); } else if (c->yuv2packed2 && vLumFilterSize == 2 && vChrFilterSize == 2) { // bilinear upscale RGB int lumAlpha = vLumFilter[2 * dstY + 1]; int chrAlpha = vChrFilter[2 * dstY + 1]; lumMmxFilter[2] = lumMmxFilter[3] = vLumFilter[2 * dstY] * 0x10001; chrMmxFilter[2] = chrMmxFilter[3] = vChrFilter[2 * chrDstY] * 0x10001; yuv2packed2(c, lumSrcPtr, chrUSrcPtr, chrVSrcPtr, alpPixBuf ? alpSrcPtr : NULL, dest[0], dstW, lumAlpha, chrAlpha, dstY); } else { // general RGB yuv2packedX(c, vLumFilter + dstY * vLumFilterSize, lumSrcPtr, vLumFilterSize, vChrFilter + dstY * vChrFilterSize, chrUSrcPtr, chrVSrcPtr, vChrFilterSize, alpSrcPtr, dest[0], dstW, dstY); } } } } if (isPlanar(dstFormat) && isALPHA(dstFormat) && !alpPixBuf) fillPlane(dst[3], dstStride[3], dstW, dstY - lastDstY, lastDstY, 255); #if HAVE_MMX2 if (av_get_cpu_flags() & AV_CPU_FLAG_MMX2) __asm__ volatile ("sfence" ::: "memory"); #endif emms_c(); /* store changed local vars back in the context */ c->dstY = dstY; c->lumBufIndex = lumBufIndex; c->chrBufIndex = chrBufIndex; c->lastInLumBuf = lastInLumBuf; c->lastInChrBuf = lastInChrBuf; return dstY - lastDstY; } | 24,972 |
1 | static inline int spx_strategy(AC3DecodeContext *s, int blk) { GetBitContext *bc = &s->gbc; int fbw_channels = s->fbw_channels; int dst_start_freq, dst_end_freq, src_start_freq, start_subband, end_subband, ch; /* determine which channels use spx */ if (s->channel_mode == AC3_CHMODE_MONO) { s->channel_uses_spx[1] = 1; } else { for (ch = 1; ch <= fbw_channels; ch++) s->channel_uses_spx[ch] = get_bits1(bc); } /* get the frequency bins of the spx copy region and the spx start and end subbands */ dst_start_freq = get_bits(bc, 2); start_subband = get_bits(bc, 3) + 2; if (start_subband > 7) start_subband += start_subband - 7; end_subband = get_bits(bc, 3) + 5; #if USE_FIXED s->spx_dst_end_freq = end_freq_inv_tab[end_subband-5]; #endif if (end_subband > 7) end_subband += end_subband - 7; dst_start_freq = dst_start_freq * 12 + 25; src_start_freq = start_subband * 12 + 25; dst_end_freq = end_subband * 12 + 25; /* check validity of spx ranges */ if (start_subband >= end_subband) { av_log(s->avctx, AV_LOG_ERROR, "invalid spectral extension " "range (%d >= %d)\n", start_subband, end_subband); return AVERROR_INVALIDDATA; } if (dst_start_freq >= src_start_freq) { av_log(s->avctx, AV_LOG_ERROR, "invalid spectral extension " "copy start bin (%d >= %d)\n", dst_start_freq, src_start_freq); return AVERROR_INVALIDDATA; } s->spx_dst_start_freq = dst_start_freq; s->spx_src_start_freq = src_start_freq; if (!USE_FIXED) s->spx_dst_end_freq = dst_end_freq; decode_band_structure(bc, blk, s->eac3, 0, start_subband, end_subband, ff_eac3_default_spx_band_struct, &s->num_spx_bands, s->spx_band_sizes); return 0; } | 24,973 |
1 | TPMInfo *tpm_backend_query_tpm(TPMBackend *s) { TPMInfo *info = g_new0(TPMInfo, 1); TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); TPMIfClass *tic = TPM_IF_GET_CLASS(s->tpmif); info->id = g_strdup(s->id); info->model = tic->model; if (k->get_tpm_options) { info->options = k->get_tpm_options(s); } return info; } | 24,974 |
1 | static void finalize_packet(RTPDemuxContext *s, AVPacket *pkt, uint32_t timestamp) { if (s->last_rtcp_ntp_time != AV_NOPTS_VALUE) { int64_t addend; int delta_timestamp; /* compute pts from timestamp with received ntp_time */ delta_timestamp = timestamp - s->last_rtcp_timestamp; /* convert to the PTS timebase */ addend = av_rescale(s->last_rtcp_ntp_time - s->first_rtcp_ntp_time, s->st->time_base.den, (uint64_t)s->st->time_base.num << 32); pkt->pts = addend + delta_timestamp; } } | 24,975 |
0 | static void h264_v_loop_filter_chroma_intra_c(uint8_t *pix, int stride, int alpha, int beta) { h264_loop_filter_chroma_intra_c(pix, stride, 1, alpha, beta); } | 24,977 |
1 | static void v9fs_remove(void *opaque) { int32_t fid; int err = 0; size_t offset = 7; V9fsFidState *fidp; V9fsPDU *pdu = opaque; pdu_unmarshal(pdu, offset, "d", &fid); fidp = get_fid(pdu, fid); if (fidp == NULL) { err = -EINVAL; goto out_nofid; } /* if fs driver is not path based, return EOPNOTSUPP */ if (!pdu->s->ctx.flags & PATHNAME_FSCONTEXT) { err = -EOPNOTSUPP; goto out_err; } /* * IF the file is unlinked, we cannot reopen * the file later. So don't reclaim fd */ err = v9fs_mark_fids_unreclaim(pdu, &fidp->path); if (err < 0) { goto out_err; } err = v9fs_co_remove(pdu, &fidp->path); if (!err) { err = offset; } out_err: /* For TREMOVE we need to clunk the fid even on failed remove */ clunk_fid(pdu->s, fidp->fid); put_fid(pdu, fidp); out_nofid: complete_pdu(pdu->s, pdu, err); } | 24,979 |
1 | static void gen_msgclr(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]); #endif /* defined(CONFIG_USER_ONLY) */ } | 24,980 |
1 | static av_always_inline int small_diamond_search(MpegEncContext * s, int *best, int dmin, int src_index, int ref_index, int const penalty_factor, int size, int h, int flags) { MotionEstContext * const c= &s->me; me_cmp_func cmpf, chroma_cmpf; int next_dir=-1; LOAD_COMMON LOAD_COMMON2 unsigned map_generation = c->map_generation; cmpf = s->mecc.me_cmp[size]; chroma_cmpf = s->mecc.me_cmp[size + 1]; { /* ensure that the best point is in the MAP as h/qpel refinement needs it */ const unsigned key = (best[1]<<ME_MAP_MV_BITS) + best[0] + map_generation; const int index= ((best[1]<<ME_MAP_SHIFT) + best[0])&(ME_MAP_SIZE-1); if(map[index]!=key){ //this will be executed only very rarey score_map[index]= cmp(s, best[0], best[1], 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags); map[index]= key; } } for(;;){ int d; const int dir= next_dir; const int x= best[0]; const int y= best[1]; next_dir=-1; if(dir!=2 && x>xmin) CHECK_MV_DIR(x-1, y , 0) if(dir!=3 && y>ymin) CHECK_MV_DIR(x , y-1, 1) if(dir!=0 && x<xmax) CHECK_MV_DIR(x+1, y , 2) if(dir!=1 && y<ymax) CHECK_MV_DIR(x , y+1, 3) if(next_dir==-1){ return dmin; } } } | 24,981 |
1 | void mips_cpu_do_interrupt(CPUState *cs) { #if !defined(CONFIG_USER_ONLY) MIPSCPU *cpu = MIPS_CPU(cs); CPUMIPSState *env = &cpu->env; target_ulong offset; int cause = -1; const char *name; if (qemu_log_enabled() && cs->exception_index != EXCP_EXT_INTERRUPT) { if (cs->exception_index < 0 || cs->exception_index > EXCP_LAST) { name = "unknown"; } else { name = excp_names[cs->exception_index]; } qemu_log("%s enter: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx " %s exception\n", __func__, env->active_tc.PC, env->CP0_EPC, name); } if (cs->exception_index == EXCP_EXT_INTERRUPT && (env->hflags & MIPS_HFLAG_DM)) { cs->exception_index = EXCP_DINT; } offset = 0x180; switch (cs->exception_index) { case EXCP_DSS: env->CP0_Debug |= 1 << CP0DB_DSS; /* Debug single step cannot be raised inside a delay slot and resume will always occur on the next instruction (but we assume the pc has always been updated during code translation). */ env->CP0_DEPC = env->active_tc.PC | !!(env->hflags & MIPS_HFLAG_M16); goto enter_debug_mode; case EXCP_DINT: env->CP0_Debug |= 1 << CP0DB_DINT; goto set_DEPC; case EXCP_DIB: env->CP0_Debug |= 1 << CP0DB_DIB; goto set_DEPC; case EXCP_DBp: env->CP0_Debug |= 1 << CP0DB_DBp; goto set_DEPC; case EXCP_DDBS: env->CP0_Debug |= 1 << CP0DB_DDBS; goto set_DEPC; case EXCP_DDBL: env->CP0_Debug |= 1 << CP0DB_DDBL; set_DEPC: env->CP0_DEPC = exception_resume_pc(env); env->hflags &= ~MIPS_HFLAG_BMASK; enter_debug_mode: env->hflags |= MIPS_HFLAG_DM | MIPS_HFLAG_64 | MIPS_HFLAG_CP0; env->hflags &= ~(MIPS_HFLAG_KSU); /* EJTAG probe trap enable is not implemented... */ if (!(env->CP0_Status & (1 << CP0St_EXL))) env->CP0_Cause &= ~(1 << CP0Ca_BD); env->active_tc.PC = (int32_t)0xBFC00480; set_hflags_for_handler(env); break; case EXCP_RESET: cpu_reset(CPU(cpu)); break; case EXCP_SRESET: env->CP0_Status |= (1 << CP0St_SR); memset(env->CP0_WatchLo, 0, sizeof(*env->CP0_WatchLo)); goto set_error_EPC; case EXCP_NMI: env->CP0_Status |= (1 << CP0St_NMI); set_error_EPC: env->CP0_ErrorEPC = exception_resume_pc(env); env->hflags &= ~MIPS_HFLAG_BMASK; env->CP0_Status |= (1 << CP0St_ERL) | (1 << CP0St_BEV); env->hflags |= MIPS_HFLAG_64 | MIPS_HFLAG_CP0; env->hflags &= ~(MIPS_HFLAG_KSU); if (!(env->CP0_Status & (1 << CP0St_EXL))) env->CP0_Cause &= ~(1 << CP0Ca_BD); env->active_tc.PC = (int32_t)0xBFC00000; set_hflags_for_handler(env); break; case EXCP_EXT_INTERRUPT: cause = 0; if (env->CP0_Cause & (1 << CP0Ca_IV)) offset = 0x200; if (env->CP0_Config3 & ((1 << CP0C3_VInt) | (1 << CP0C3_VEIC))) { /* Vectored Interrupts. */ unsigned int spacing; unsigned int vector; unsigned int pending = (env->CP0_Cause & CP0Ca_IP_mask) >> 8; pending &= env->CP0_Status >> 8; /* Compute the Vector Spacing. */ spacing = (env->CP0_IntCtl >> CP0IntCtl_VS) & ((1 << 6) - 1); spacing <<= 5; if (env->CP0_Config3 & (1 << CP0C3_VInt)) { /* For VInt mode, the MIPS computes the vector internally. */ for (vector = 7; vector > 0; vector--) { if (pending & (1 << vector)) { /* Found it. */ break; } } } else { /* For VEIC mode, the external interrupt controller feeds the vector through the CP0Cause IP lines. */ vector = pending; } offset = 0x200 + vector * spacing; } goto set_EPC; case EXCP_LTLBL: cause = 1; goto set_EPC; case EXCP_TLBL: cause = 2; if (env->error_code == 1 && !(env->CP0_Status & (1 << CP0St_EXL))) { #if defined(TARGET_MIPS64) int R = env->CP0_BadVAddr >> 62; int UX = (env->CP0_Status & (1 << CP0St_UX)) != 0; int SX = (env->CP0_Status & (1 << CP0St_SX)) != 0; int KX = (env->CP0_Status & (1 << CP0St_KX)) != 0; if (((R == 0 && UX) || (R == 1 && SX) || (R == 3 && KX)) && (!(env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F)))) offset = 0x080; else #endif offset = 0x000; } goto set_EPC; case EXCP_TLBS: cause = 3; if (env->error_code == 1 && !(env->CP0_Status & (1 << CP0St_EXL))) { #if defined(TARGET_MIPS64) int R = env->CP0_BadVAddr >> 62; int UX = (env->CP0_Status & (1 << CP0St_UX)) != 0; int SX = (env->CP0_Status & (1 << CP0St_SX)) != 0; int KX = (env->CP0_Status & (1 << CP0St_KX)) != 0; if (((R == 0 && UX) || (R == 1 && SX) || (R == 3 && KX)) && (!(env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F)))) offset = 0x080; else #endif offset = 0x000; } goto set_EPC; case EXCP_AdEL: cause = 4; goto set_EPC; case EXCP_AdES: cause = 5; goto set_EPC; case EXCP_IBE: cause = 6; goto set_EPC; case EXCP_DBE: cause = 7; goto set_EPC; case EXCP_SYSCALL: cause = 8; goto set_EPC; case EXCP_BREAK: cause = 9; goto set_EPC; case EXCP_RI: cause = 10; goto set_EPC; case EXCP_CpU: cause = 11; env->CP0_Cause = (env->CP0_Cause & ~(0x3 << CP0Ca_CE)) | (env->error_code << CP0Ca_CE); goto set_EPC; case EXCP_OVERFLOW: cause = 12; goto set_EPC; case EXCP_TRAP: cause = 13; goto set_EPC; case EXCP_FPE: cause = 15; goto set_EPC; case EXCP_C2E: cause = 18; goto set_EPC; case EXCP_MDMX: cause = 22; goto set_EPC; case EXCP_DWATCH: cause = 23; /* XXX: TODO: manage defered watch exceptions */ goto set_EPC; case EXCP_MCHECK: cause = 24; goto set_EPC; case EXCP_THREAD: cause = 25; goto set_EPC; case EXCP_DSPDIS: cause = 26; goto set_EPC; case EXCP_CACHE: cause = 30; if (env->CP0_Status & (1 << CP0St_BEV)) { offset = 0x100; } else { offset = 0x20000100; } set_EPC: if (!(env->CP0_Status & (1 << CP0St_EXL))) { env->CP0_EPC = exception_resume_pc(env); if (env->hflags & MIPS_HFLAG_BMASK) { env->CP0_Cause |= (1 << CP0Ca_BD); } else { env->CP0_Cause &= ~(1 << CP0Ca_BD); } env->CP0_Status |= (1 << CP0St_EXL); env->hflags |= MIPS_HFLAG_64 | MIPS_HFLAG_CP0; env->hflags &= ~(MIPS_HFLAG_KSU); } env->hflags &= ~MIPS_HFLAG_BMASK; if (env->CP0_Status & (1 << CP0St_BEV)) { env->active_tc.PC = (int32_t)0xBFC00200; } else { env->active_tc.PC = (int32_t)(env->CP0_EBase & ~0x3ff); } env->active_tc.PC += offset; set_hflags_for_handler(env); env->CP0_Cause = (env->CP0_Cause & ~(0x1f << CP0Ca_EC)) | (cause << CP0Ca_EC); break; default: qemu_log("Invalid MIPS exception %d. Exiting\n", cs->exception_index); printf("Invalid MIPS exception %d. Exiting\n", cs->exception_index); exit(1); } if (qemu_log_enabled() && cs->exception_index != EXCP_EXT_INTERRUPT) { qemu_log("%s: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx " cause %d\n" " S %08x C %08x A " TARGET_FMT_lx " D " TARGET_FMT_lx "\n", __func__, env->active_tc.PC, env->CP0_EPC, cause, env->CP0_Status, env->CP0_Cause, env->CP0_BadVAddr, env->CP0_DEPC); } #endif cs->exception_index = EXCP_NONE; } | 24,982 |
1 | void qmp_drive_mirror(const char *device, const char *target, bool has_format, const char *format, enum MirrorSyncMode sync, bool has_mode, enum NewImageMode mode, bool has_speed, int64_t speed, bool has_granularity, uint32_t granularity, bool has_buf_size, int64_t buf_size, bool has_on_source_error, BlockdevOnError on_source_error, bool has_on_target_error, BlockdevOnError on_target_error, Error **errp) { BlockDriverState *bs; BlockDriverState *source, *target_bs; BlockDriver *drv = NULL; Error *local_err = NULL; int flags; int64_t size; int ret; if (!has_speed) { speed = 0; } if (!has_on_source_error) { on_source_error = BLOCKDEV_ON_ERROR_REPORT; } if (!has_on_target_error) { on_target_error = BLOCKDEV_ON_ERROR_REPORT; } if (!has_mode) { mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS; } if (!has_granularity) { granularity = 0; } if (!has_buf_size) { buf_size = DEFAULT_MIRROR_BUF_SIZE; } if (granularity != 0 && (granularity < 512 || granularity > 1048576 * 64)) { error_set(errp, QERR_INVALID_PARAMETER, device); return; } if (granularity & (granularity - 1)) { error_set(errp, QERR_INVALID_PARAMETER, device); return; } bs = bdrv_find(device); if (!bs) { error_set(errp, QERR_DEVICE_NOT_FOUND, device); return; } if (!bdrv_is_inserted(bs)) { error_set(errp, QERR_DEVICE_HAS_NO_MEDIUM, device); return; } if (!has_format) { format = mode == NEW_IMAGE_MODE_EXISTING ? NULL : bs->drv->format_name; } if (format) { drv = bdrv_find_format(format); if (!drv) { error_set(errp, QERR_INVALID_BLOCK_FORMAT, format); return; } } if (bdrv_in_use(bs)) { error_set(errp, QERR_DEVICE_IN_USE, device); return; } flags = bs->open_flags | BDRV_O_RDWR; source = bs->backing_hd; if (!source && sync == MIRROR_SYNC_MODE_TOP) { sync = MIRROR_SYNC_MODE_FULL; } size = bdrv_getlength(bs); if (size < 0) { error_setg_errno(errp, -size, "bdrv_getlength failed"); return; } if (sync == MIRROR_SYNC_MODE_FULL && mode != NEW_IMAGE_MODE_EXISTING) { /* create new image w/o backing file */ assert(format && drv); bdrv_img_create(target, format, NULL, NULL, NULL, size, flags, &local_err, false); } else { switch (mode) { case NEW_IMAGE_MODE_EXISTING: break; case NEW_IMAGE_MODE_ABSOLUTE_PATHS: /* create new image with backing file */ bdrv_img_create(target, format, source->filename, source->drv->format_name, NULL, size, flags, &local_err, false); break; default: abort(); } } if (error_is_set(&local_err)) { error_propagate(errp, local_err); return; } /* Mirroring takes care of copy-on-write using the source's backing * file. */ target_bs = bdrv_new(""); ret = bdrv_open(target_bs, target, NULL, flags | BDRV_O_NO_BACKING, drv, &local_err); if (ret < 0) { bdrv_unref(target_bs); error_propagate(errp, local_err); return; } mirror_start(bs, target_bs, speed, granularity, buf_size, sync, on_source_error, on_target_error, block_job_cb, bs, &local_err); if (local_err != NULL) { bdrv_unref(target_bs); error_propagate(errp, local_err); return; } } | 24,983 |
1 | static void opt_frame_aspect_ratio(const char *arg) { int x = 0, y = 0; double ar = 0; const char *p; char *end; p = strchr(arg, ':'); if (p) { x = strtol(arg, &end, 10); if (end == p) y = strtol(end+1, &end, 10); if (x > 0 && y > 0) ar = (double)x / (double)y; } else ar = strtod(arg, NULL); if (!ar) { fprintf(stderr, "Incorrect aspect ratio specification.\n"); ffmpeg_exit(1); } frame_aspect_ratio = ar; x = vfilters ? strlen(vfilters) : 0; vfilters = av_realloc(vfilters, x+100); snprintf(vfilters+x, x+100, "%csetdar=%f\n", x?',':' ', ar); } | 24,984 |
0 | static int tcp_write(URLContext *h, uint8_t *buf, int size) { TCPContext *s = h->priv_data; int ret, size1, fd_max; fd_set wfds; struct timeval tv; size1 = size; while (size > 0) { if (url_interrupt_cb()) return -EINTR; fd_max = s->fd; FD_ZERO(&wfds); FD_SET(s->fd, &wfds); tv.tv_sec = 0; tv.tv_usec = 100 * 1000; select(fd_max + 1, NULL, &wfds, NULL, &tv); #ifdef __BEOS__ ret = send(s->fd, buf, size, 0); #else ret = write(s->fd, buf, size); #endif if (ret < 0) { if (errno != EINTR && errno != EAGAIN) { #ifdef __BEOS__ return errno; #else return -errno; #endif } continue; } size -= ret; buf += ret; } return size1 - size; } | 24,986 |
1 | static void glfs_clear_preopened(glfs_t *fs) { ListElement *entry = NULL; if (fs == NULL) { return; } QLIST_FOREACH(entry, &glfs_list, list) { if (entry->saved.fs == fs) { if (--entry->saved.ref) { return; } QLIST_REMOVE(entry, list); glfs_fini(entry->saved.fs); g_free(entry->saved.volume); g_free(entry); } } } | 24,987 |
1 | static av_cold int mm_decode_init(AVCodecContext *avctx) { MmContext *s = avctx->priv_data; s->avctx = avctx; avctx->pix_fmt = AV_PIX_FMT_PAL8; s->frame = av_frame_alloc(); if (!s->frame) return AVERROR(ENOMEM); return 0; | 24,988 |
1 | static void uhci_process_frame(UHCIState *s) { uint32_t frame_addr, link, old_td_ctrl, val, int_mask; uint32_t curr_qh, td_count = 0; int cnt, ret; UHCI_TD td; UHCI_QH qh; QhDb qhdb; frame_addr = s->fl_base_addr + ((s->frnum & 0x3ff) << 2); pci_dma_read(&s->dev, frame_addr, &link, 4); le32_to_cpus(&link); int_mask = 0; curr_qh = 0; qhdb_reset(&qhdb); for (cnt = FRAME_MAX_LOOPS; is_valid(link) && cnt; cnt--) { if (s->frame_bytes >= s->frame_bandwidth) { /* We've reached the usb 1.1 bandwidth, which is 1280 bytes/frame, stop processing */ trace_usb_uhci_frame_stop_bandwidth(); break; } if (is_qh(link)) { /* QH */ trace_usb_uhci_qh_load(link & ~0xf); if (qhdb_insert(&qhdb, link)) { /* * We're going in circles. Which is not a bug because * HCD is allowed to do that as part of the BW management. * * Stop processing here if no transaction has been done * since we've been here last time. */ if (td_count == 0) { trace_usb_uhci_frame_loop_stop_idle(); break; } else { trace_usb_uhci_frame_loop_continue(); td_count = 0; qhdb_reset(&qhdb); qhdb_insert(&qhdb, link); } } pci_dma_read(&s->dev, link & ~0xf, &qh, sizeof(qh)); le32_to_cpus(&qh.link); le32_to_cpus(&qh.el_link); if (!is_valid(qh.el_link)) { /* QH w/o elements */ curr_qh = 0; link = qh.link; } else { /* QH with elements */ curr_qh = link; link = qh.el_link; } continue; } /* TD */ uhci_read_td(s, &td, link); trace_usb_uhci_td_load(curr_qh & ~0xf, link & ~0xf, td.ctrl, td.token); old_td_ctrl = td.ctrl; ret = uhci_handle_td(s, NULL, &td, link, &int_mask); if (old_td_ctrl != td.ctrl) { /* update the status bits of the TD */ val = cpu_to_le32(td.ctrl); pci_dma_write(&s->dev, (link & ~0xf) + 4, &val, sizeof(val)); } switch (ret) { case TD_RESULT_STOP_FRAME: /* interrupted frame */ goto out; case TD_RESULT_NEXT_QH: case TD_RESULT_ASYNC_CONT: trace_usb_uhci_td_nextqh(curr_qh & ~0xf, link & ~0xf); link = curr_qh ? qh.link : td.link; continue; case TD_RESULT_ASYNC_START: trace_usb_uhci_td_async(curr_qh & ~0xf, link & ~0xf); link = curr_qh ? qh.link : td.link; continue; case TD_RESULT_COMPLETE: trace_usb_uhci_td_complete(curr_qh & ~0xf, link & ~0xf); link = td.link; td_count++; s->frame_bytes += (td.ctrl & 0x7ff) + 1; if (curr_qh) { /* update QH element link */ qh.el_link = link; val = cpu_to_le32(qh.el_link); pci_dma_write(&s->dev, (curr_qh & ~0xf) + 4, &val, sizeof(val)); if (!depth_first(link)) { /* done with this QH */ curr_qh = 0; link = qh.link; } } break; default: assert(!"unknown return code"); } /* go to the next entry */ } out: s->pending_int_mask |= int_mask; } | 24,989 |
0 | static void test_validate_fail_alternate(TestInputVisitorData *data, const void *unused) { UserDefAlternate *tmp; Visitor *v; Error *err = NULL; v = validate_test_init(data, "3.14"); visit_type_UserDefAlternate(v, NULL, &tmp, &err); error_free_or_abort(&err); g_assert(!tmp); } | 24,990 |
0 | void sclp_print(const char *str) { int len = _strlen(str); WriteEventData *sccb = (void*)_sccb; sccb->h.length = sizeof(WriteEventData) + len; sccb->h.function_code = SCLP_FC_NORMAL_WRITE; sccb->ebh.length = sizeof(EventBufferHeader) + len; sccb->ebh.type = SCLP_EVENT_ASCII_CONSOLE_DATA; sccb->ebh.flags = 0; _memcpy(sccb->data, str, len); sclp_service_call(SCLP_CMD_WRITE_EVENT_DATA, sccb); } | 24,991 |
0 | float64 helper_fstod(CPUSPARCState *env, float32 src) { float64 ret; clear_float_exceptions(env); ret = float32_to_float64(src, &env->fp_status); check_ieee_exceptions(env); return ret; } | 24,992 |
0 | static void do_log(int loglevel, const char *format, ...) { va_list ap; va_start(ap, format); if (is_daemon) { vsyslog(LOG_CRIT, format, ap); } else { vfprintf(stderr, format, ap); } va_end(ap); } | 24,993 |
0 | static void gic_reset(gic_state *s) { int i; memset(s->irq_state, 0, GIC_NIRQ * sizeof(gic_irq_state)); for (i = 0 ; i < NUM_CPU(s); i++) { s->priority_mask[i] = 0xf0; s->current_pending[i] = 1023; s->running_irq[i] = 1023; s->running_priority[i] = 0x100; #ifdef NVIC /* The NVIC doesn't have per-cpu interfaces, so enable by default. */ s->cpu_enabled[i] = 1; #else s->cpu_enabled[i] = 0; #endif } for (i = 0; i < 16; i++) { GIC_SET_ENABLED(i); GIC_SET_TRIGGER(i); } #ifdef NVIC /* The NVIC is always enabled. */ s->enabled = 1; #else s->enabled = 0; #endif } | 24,994 |
0 | static void xhci_er_reset(XHCIState *xhci, int v) { XHCIInterrupter *intr = &xhci->intr[v]; XHCIEvRingSeg seg; if (intr->erstsz == 0) { /* disabled */ intr->er_start = 0; intr->er_size = 0; return; } /* cache the (sole) event ring segment location */ if (intr->erstsz != 1) { DPRINTF("xhci: invalid value for ERSTSZ: %d\n", intr->erstsz); xhci_die(xhci); return; } dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high); pci_dma_read(PCI_DEVICE(xhci), erstba, &seg, sizeof(seg)); le32_to_cpus(&seg.addr_low); le32_to_cpus(&seg.addr_high); le32_to_cpus(&seg.size); if (seg.size < 16 || seg.size > 4096) { DPRINTF("xhci: invalid value for segment size: %d\n", seg.size); xhci_die(xhci); return; } intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high); intr->er_size = seg.size; intr->er_ep_idx = 0; intr->er_pcs = 1; DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n", v, intr->er_start, intr->er_size); } | 24,995 |
0 | static void pxa2xx_cm_write(void *opaque, hwaddr addr, uint64_t value, unsigned size) { PXA2xxState *s = (PXA2xxState *) opaque; switch (addr) { case CCCR: case CKEN: s->cm_regs[addr >> 2] = value; break; case OSCC: s->cm_regs[addr >> 2] &= ~0x6c; s->cm_regs[addr >> 2] |= value & 0x6e; if ((value >> 1) & 1) /* OON */ s->cm_regs[addr >> 2] |= 1 << 0; /* Oscillator is now stable */ break; default: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); break; } } | 24,996 |
0 | static void do_mac_write(lan9118_state *s, int reg, uint32_t val) { switch (reg) { case MAC_CR: if ((s->mac_cr & MAC_CR_RXEN) != 0 && (val & MAC_CR_RXEN) == 0) { s->int_sts |= RXSTOP_INT; } s->mac_cr = val & ~MAC_CR_RESERVED; DPRINTF("MAC_CR: %08x\n", val); break; case MAC_ADDRH: s->conf.macaddr.a[4] = val & 0xff; s->conf.macaddr.a[5] = (val >> 8) & 0xff; lan9118_mac_changed(s); break; case MAC_ADDRL: s->conf.macaddr.a[0] = val & 0xff; s->conf.macaddr.a[1] = (val >> 8) & 0xff; s->conf.macaddr.a[2] = (val >> 16) & 0xff; s->conf.macaddr.a[3] = (val >> 24) & 0xff; lan9118_mac_changed(s); break; case MAC_HASHH: s->mac_hashh = val; break; case MAC_HASHL: s->mac_hashl = val; break; case MAC_MII_ACC: s->mac_mii_acc = val & 0xffc2; if (val & 2) { DPRINTF("PHY write %d = 0x%04x\n", (val >> 6) & 0x1f, s->mac_mii_data); do_phy_write(s, (val >> 6) & 0x1f, s->mac_mii_data); } else { s->mac_mii_data = do_phy_read(s, (val >> 6) & 0x1f); DPRINTF("PHY read %d = 0x%04x\n", (val >> 6) & 0x1f, s->mac_mii_data); } break; case MAC_MII_DATA: s->mac_mii_data = val & 0xffff; break; case MAC_FLOW: s->mac_flow = val & 0xffff0000; break; case MAC_VLAN1: /* Writing to this register changes a condition for * FrameTooLong bit in rx_status. Since we do not set * FrameTooLong anyway, just ignore write to this. */ break; default: hw_error("lan9118: Unimplemented MAC register write: %d = 0x%x\n", s->mac_cmd & 0xf, val); } } | 24,997 |
0 | static void decode_rrr_divide(CPUTriCoreState *env, DisasContext *ctx) { uint32_t op2; int r1, r2, r3, r4; op2 = MASK_OP_RRR_OP2(ctx->opcode); r1 = MASK_OP_RRR_S1(ctx->opcode); r2 = MASK_OP_RRR_S2(ctx->opcode); r3 = MASK_OP_RRR_S3(ctx->opcode); r4 = MASK_OP_RRR_D(ctx->opcode); CHECK_REG_PAIR(r3); switch (op2) { case OPC2_32_RRR_DVADJ: CHECK_REG_PAIR(r4); GEN_HELPER_RRR(dvadj, cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r2]); break; case OPC2_32_RRR_DVSTEP: CHECK_REG_PAIR(r4); GEN_HELPER_RRR(dvstep, cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r2]); break; case OPC2_32_RRR_DVSTEP_U: CHECK_REG_PAIR(r4); GEN_HELPER_RRR(dvstep_u, cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r2]); break; case OPC2_32_RRR_IXMAX: CHECK_REG_PAIR(r4); GEN_HELPER_RRR(ixmax, cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r2]); break; case OPC2_32_RRR_IXMAX_U: CHECK_REG_PAIR(r4); GEN_HELPER_RRR(ixmax_u, cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r2]); break; case OPC2_32_RRR_IXMIN: CHECK_REG_PAIR(r4); GEN_HELPER_RRR(ixmin, cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r2]); break; case OPC2_32_RRR_IXMIN_U: CHECK_REG_PAIR(r4); GEN_HELPER_RRR(ixmin_u, cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r2]); break; case OPC2_32_RRR_PACK: gen_helper_pack(cpu_gpr_d[r4], cpu_PSW_C, cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r1]); break; default: generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC); } } | 24,998 |
0 | static void qemu_input_transform_abs_rotate(InputEvent *evt) { InputMoveEvent *move = evt->u.abs; switch (graphic_rotate) { case 90: if (move->axis == INPUT_AXIS_X) { move->axis = INPUT_AXIS_Y; } else if (move->axis == INPUT_AXIS_Y) { move->axis = INPUT_AXIS_X; move->value = INPUT_EVENT_ABS_SIZE - 1 - move->value; } break; case 180: move->value = INPUT_EVENT_ABS_SIZE - 1 - move->value; break; case 270: if (move->axis == INPUT_AXIS_X) { move->axis = INPUT_AXIS_Y; move->value = INPUT_EVENT_ABS_SIZE - 1 - move->value; } else if (move->axis == INPUT_AXIS_Y) { move->axis = INPUT_AXIS_X; } break; } } | 24,999 |
0 | static int split_init(AVFilterContext *ctx, const char *args, void *opaque) { int i, nb_outputs = 2; if (args) { nb_outputs = strtol(args, NULL, 0); if (nb_outputs <= 0) { av_log(ctx, AV_LOG_ERROR, "Invalid number of outputs specified: %d.\n", nb_outputs); return AVERROR(EINVAL); } } for (i = 0; i < nb_outputs; i++) { char name[32]; AVFilterPad pad = { 0 }; snprintf(name, sizeof(name), "output%d", i); pad.type = !strcmp(ctx->name, "split") ? AVMEDIA_TYPE_VIDEO : AVMEDIA_TYPE_AUDIO; pad.name = av_strdup(name); avfilter_insert_outpad(ctx, i, &pad); } return 0; } | 25,000 |
0 | static int mcf_fec_can_receive(void *opaque) { mcf_fec_state *s = (mcf_fec_state *)opaque; return s->rx_enabled; } | 25,001 |
0 | static void qxl_realize_common(PCIQXLDevice *qxl, Error **errp) { uint8_t* config = qxl->pci.config; uint32_t pci_device_rev; uint32_t io_size; qxl->mode = QXL_MODE_UNDEFINED; qxl->generation = 1; qxl->num_memslots = NUM_MEMSLOTS; qemu_mutex_init(&qxl->track_lock); qemu_mutex_init(&qxl->async_lock); qxl->current_async = QXL_UNDEFINED_IO; qxl->guest_bug = 0; switch (qxl->revision) { case 1: /* spice 0.4 -- qxl-1 */ pci_device_rev = QXL_REVISION_STABLE_V04; io_size = 8; break; case 2: /* spice 0.6 -- qxl-2 */ pci_device_rev = QXL_REVISION_STABLE_V06; io_size = 16; break; case 3: /* qxl-3 */ pci_device_rev = QXL_REVISION_STABLE_V10; io_size = 32; /* PCI region size must be pow2 */ break; case 4: /* qxl-4 */ pci_device_rev = QXL_REVISION_STABLE_V12; io_size = pow2ceil(QXL_IO_RANGE_SIZE); break; default: error_setg(errp, "Invalid revision %d for qxl device (max %d)", qxl->revision, QXL_DEFAULT_REVISION); return; } pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev); pci_set_byte(&config[PCI_INTERRUPT_PIN], 1); qxl->rom_size = qxl_rom_size(); memory_region_init_ram(&qxl->rom_bar, OBJECT(qxl), "qxl.vrom", qxl->rom_size, &error_fatal); vmstate_register_ram(&qxl->rom_bar, &qxl->pci.qdev); init_qxl_rom(qxl); init_qxl_ram(qxl); qxl->guest_surfaces.cmds = g_new0(QXLPHYSICAL, qxl->ssd.num_surfaces); memory_region_init_ram(&qxl->vram_bar, OBJECT(qxl), "qxl.vram", qxl->vram_size, &error_fatal); vmstate_register_ram(&qxl->vram_bar, &qxl->pci.qdev); memory_region_init_alias(&qxl->vram32_bar, OBJECT(qxl), "qxl.vram32", &qxl->vram_bar, 0, qxl->vram32_size); memory_region_init_io(&qxl->io_bar, OBJECT(qxl), &qxl_io_ops, qxl, "qxl-ioports", io_size); if (qxl->id == 0) { vga_dirty_log_start(&qxl->vga); } memory_region_set_flush_coalesced(&qxl->io_bar); pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX, PCI_BASE_ADDRESS_SPACE_IO, &qxl->io_bar); pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX, PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->rom_bar); pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX, PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vga.vram); pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX, PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vram32_bar); if (qxl->vram32_size < qxl->vram_size) { /* * Make the 64bit vram bar show up only in case it is * configured to be larger than the 32bit vram bar. */ pci_register_bar(&qxl->pci, QXL_VRAM64_RANGE_INDEX, PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64 | PCI_BASE_ADDRESS_MEM_PREFETCH, &qxl->vram_bar); } /* print pci bar details */ dprint(qxl, 1, "ram/%s: %d MB [region 0]\n", qxl->id == 0 ? "pri" : "sec", qxl->vga.vram_size / (1024*1024)); dprint(qxl, 1, "vram/32: %d MB [region 1]\n", qxl->vram32_size / (1024*1024)); dprint(qxl, 1, "vram/64: %d MB %s\n", qxl->vram_size / (1024*1024), qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]"); qxl->ssd.qxl.base.sif = &qxl_interface.base; if (qemu_spice_add_display_interface(&qxl->ssd.qxl, qxl->vga.con) != 0) { error_setg(errp, "qxl interface %d.%d not supported by spice-server", SPICE_INTERFACE_QXL_MAJOR, SPICE_INTERFACE_QXL_MINOR); return; } qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl); qxl->update_irq = qemu_bh_new(qxl_update_irq_bh, qxl); qxl_reset_state(qxl); qxl->update_area_bh = qemu_bh_new(qxl_render_update_area_bh, qxl); qxl->ssd.cursor_bh = qemu_bh_new(qemu_spice_cursor_refresh_bh, &qxl->ssd); } | 25,002 |
0 | static int css_interpret_ccw(SubchDev *sch, hwaddr ccw_addr, bool suspend_allowed) { int ret; bool check_len; int len; CCW1 ccw; if (!ccw_addr) { return -EIO; } /* Check doubleword aligned and 31 or 24 (fmt 0) bit addressable. */ if (ccw_addr & (sch->ccw_fmt_1 ? 0x80000007 : 0xff000007)) { return -EINVAL; } /* Translate everything to format-1 ccws - the information is the same. */ ccw = copy_ccw_from_guest(ccw_addr, sch->ccw_fmt_1); /* Check for invalid command codes. */ if ((ccw.cmd_code & 0x0f) == 0) { return -EINVAL; } if (((ccw.cmd_code & 0x0f) == CCW_CMD_TIC) && ((ccw.cmd_code & 0xf0) != 0)) { return -EINVAL; } if (!sch->ccw_fmt_1 && (ccw.count == 0) && (ccw.cmd_code != CCW_CMD_TIC)) { return -EINVAL; } /* We don't support MIDA. */ if (ccw.flags & CCW_FLAG_MIDA) { return -EINVAL; } if (ccw.flags & CCW_FLAG_SUSPEND) { return suspend_allowed ? -EINPROGRESS : -EINVAL; } check_len = !((ccw.flags & CCW_FLAG_SLI) && !(ccw.flags & CCW_FLAG_DC)); if (!ccw.cda) { if (sch->ccw_no_data_cnt == 255) { return -EINVAL; } sch->ccw_no_data_cnt++; } /* Look at the command. */ switch (ccw.cmd_code) { case CCW_CMD_NOOP: /* Nothing to do. */ ret = 0; break; case CCW_CMD_BASIC_SENSE: if (check_len) { if (ccw.count != sizeof(sch->sense_data)) { ret = -EINVAL; break; } } len = MIN(ccw.count, sizeof(sch->sense_data)); cpu_physical_memory_write(ccw.cda, sch->sense_data, len); sch->curr_status.scsw.count = ccw.count - len; memset(sch->sense_data, 0, sizeof(sch->sense_data)); ret = 0; break; case CCW_CMD_SENSE_ID: { SenseId sense_id; copy_sense_id_to_guest(&sense_id, &sch->id); /* Sense ID information is device specific. */ if (check_len) { if (ccw.count != sizeof(sense_id)) { ret = -EINVAL; break; } } len = MIN(ccw.count, sizeof(sense_id)); /* * Only indicate 0xff in the first sense byte if we actually * have enough place to store at least bytes 0-3. */ if (len >= 4) { sense_id.reserved = 0xff; } else { sense_id.reserved = 0; } cpu_physical_memory_write(ccw.cda, &sense_id, len); sch->curr_status.scsw.count = ccw.count - len; ret = 0; break; } case CCW_CMD_TIC: if (sch->last_cmd_valid && (sch->last_cmd.cmd_code == CCW_CMD_TIC)) { ret = -EINVAL; break; } if (ccw.flags & (CCW_FLAG_CC | CCW_FLAG_DC)) { ret = -EINVAL; break; } sch->channel_prog = ccw.cda; ret = -EAGAIN; break; default: if (sch->ccw_cb) { /* Handle device specific commands. */ ret = sch->ccw_cb(sch, ccw); } else { ret = -ENOSYS; } break; } sch->last_cmd = ccw; sch->last_cmd_valid = true; if (ret == 0) { if (ccw.flags & CCW_FLAG_CC) { sch->channel_prog += 8; ret = -EAGAIN; } } return ret; } | 25,003 |
0 | static void bdrv_detach_child(BdrvChild *child) { if (child->next.le_prev) { QLIST_REMOVE(child, next); child->next.le_prev = NULL; } bdrv_replace_child(child, NULL, false); g_free(child->name); g_free(child); } | 25,004 |
0 | RTCState *rtc_mm_init(target_phys_addr_t base, int it_shift, qemu_irq irq, int base_year) { RTCState *s; int io_memory; s = qemu_mallocz(sizeof(RTCState)); s->irq = irq; s->cmos_data[RTC_REG_A] = 0x26; s->cmos_data[RTC_REG_B] = 0x02; s->cmos_data[RTC_REG_C] = 0x00; s->cmos_data[RTC_REG_D] = 0x80; s->base_year = base_year; rtc_set_date_from_host(s); s->periodic_timer = qemu_new_timer(rtc_clock, rtc_periodic_timer, s); s->second_timer = qemu_new_timer(rtc_clock, rtc_update_second, s); s->second_timer2 = qemu_new_timer(rtc_clock, rtc_update_second2, s); s->next_second_time = qemu_get_clock(rtc_clock) + (get_ticks_per_sec() * 99) / 100; qemu_mod_timer(s->second_timer2, s->next_second_time); io_memory = cpu_register_io_memory(rtc_mm_read, rtc_mm_write, s); cpu_register_physical_memory(base, 2 << it_shift, io_memory); register_savevm("mc146818rtc", base, 1, rtc_save, rtc_load, s); #ifdef TARGET_I386 if (rtc_td_hack) register_savevm("mc146818rtc-td", base, 1, rtc_save_td, rtc_load_td, s); #endif qemu_register_reset(rtc_reset, s); return s; } | 25,006 |
0 | INLINE float64 packFloat64( flag zSign, int16 zExp, bits64 zSig ) { return ( ( (bits64) zSign )<<63 ) + ( ( (bits64) zExp )<<52 ) + zSig; } | 25,008 |
0 | static int qcow_create2(const char *filename, int64_t total_size, const char *backing_file, const char *backing_format, int flags, size_t cluster_size, int prealloc) { int fd, header_size, backing_filename_len, l1_size, i, shift, l2_bits; int ref_clusters, backing_format_len = 0; QCowHeader header; uint64_t tmp, offset; QCowCreateState s1, *s = &s1; QCowExtension ext_bf = {0, 0}; memset(s, 0, sizeof(*s)); fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644); if (fd < 0) return -1; memset(&header, 0, sizeof(header)); header.magic = cpu_to_be32(QCOW_MAGIC); header.version = cpu_to_be32(QCOW_VERSION); header.size = cpu_to_be64(total_size * 512); header_size = sizeof(header); backing_filename_len = 0; if (backing_file) { if (backing_format) { ext_bf.magic = QCOW_EXT_MAGIC_BACKING_FORMAT; backing_format_len = strlen(backing_format); ext_bf.len = (backing_format_len + 7) & ~7; header_size += ((sizeof(ext_bf) + ext_bf.len + 7) & ~7); } header.backing_file_offset = cpu_to_be64(header_size); backing_filename_len = strlen(backing_file); header.backing_file_size = cpu_to_be32(backing_filename_len); header_size += backing_filename_len; } /* Cluster size */ s->cluster_bits = get_bits_from_size(cluster_size); if (s->cluster_bits < MIN_CLUSTER_BITS || s->cluster_bits > MAX_CLUSTER_BITS) { fprintf(stderr, "Cluster size must be a power of two between " "%d and %dk\n", 1 << MIN_CLUSTER_BITS, 1 << (MAX_CLUSTER_BITS - 10)); return -EINVAL; } s->cluster_size = 1 << s->cluster_bits; header.cluster_bits = cpu_to_be32(s->cluster_bits); header_size = (header_size + 7) & ~7; if (flags & BLOCK_FLAG_ENCRYPT) { header.crypt_method = cpu_to_be32(QCOW_CRYPT_AES); } else { header.crypt_method = cpu_to_be32(QCOW_CRYPT_NONE); } l2_bits = s->cluster_bits - 3; shift = s->cluster_bits + l2_bits; l1_size = (((total_size * 512) + (1LL << shift) - 1) >> shift); offset = align_offset(header_size, s->cluster_size); s->l1_table_offset = offset; header.l1_table_offset = cpu_to_be64(s->l1_table_offset); header.l1_size = cpu_to_be32(l1_size); offset += align_offset(l1_size * sizeof(uint64_t), s->cluster_size); s->refcount_table = qemu_mallocz(s->cluster_size); s->refcount_table_offset = offset; header.refcount_table_offset = cpu_to_be64(offset); header.refcount_table_clusters = cpu_to_be32(1); offset += s->cluster_size; s->refcount_block_offset = offset; /* count how many refcount blocks needed */ tmp = offset >> s->cluster_bits; ref_clusters = (tmp >> (s->cluster_bits - REFCOUNT_SHIFT)) + 1; for (i=0; i < ref_clusters; i++) { s->refcount_table[i] = cpu_to_be64(offset); offset += s->cluster_size; } s->refcount_block = qemu_mallocz(ref_clusters * s->cluster_size); /* update refcounts */ qcow2_create_refcount_update(s, 0, header_size); qcow2_create_refcount_update(s, s->l1_table_offset, l1_size * sizeof(uint64_t)); qcow2_create_refcount_update(s, s->refcount_table_offset, s->cluster_size); qcow2_create_refcount_update(s, s->refcount_block_offset, ref_clusters * s->cluster_size); /* write all the data */ write(fd, &header, sizeof(header)); if (backing_file) { if (backing_format_len) { char zero[16]; int d = ext_bf.len - backing_format_len; memset(zero, 0, sizeof(zero)); cpu_to_be32s(&ext_bf.magic); cpu_to_be32s(&ext_bf.len); write(fd, &ext_bf, sizeof(ext_bf)); write(fd, backing_format, backing_format_len); if (d>0) { write(fd, zero, d); } } write(fd, backing_file, backing_filename_len); } lseek(fd, s->l1_table_offset, SEEK_SET); tmp = 0; for(i = 0;i < l1_size; i++) { write(fd, &tmp, sizeof(tmp)); } lseek(fd, s->refcount_table_offset, SEEK_SET); write(fd, s->refcount_table, s->cluster_size); lseek(fd, s->refcount_block_offset, SEEK_SET); write(fd, s->refcount_block, ref_clusters * s->cluster_size); qemu_free(s->refcount_table); qemu_free(s->refcount_block); close(fd); /* Preallocate metadata */ if (prealloc) { BlockDriverState *bs; bs = bdrv_new(""); bdrv_open(bs, filename, BDRV_O_CACHE_WB); preallocate(bs); bdrv_close(bs); } return 0; } | 25,009 |
0 | static void scsi_cd_change_media_cb(void *opaque, bool load) { SCSIDiskState *s = opaque; /* * When a CD gets changed, we have to report an ejected state and * then a loaded state to guests so that they detect tray * open/close and media change events. Guests that do not use * GET_EVENT_STATUS_NOTIFICATION to detect such tray open/close * states rely on this behavior. * * media_changed governs the state machine used for unit attention * report. media_event is used by GET EVENT STATUS NOTIFICATION. */ s->media_changed = load; s->tray_open = !load; s->qdev.unit_attention = SENSE_CODE(UNIT_ATTENTION_NO_MEDIUM); s->media_event = true; s->eject_request = false; } | 25,010 |
0 | static int check_directory_consistency(BDRVVVFATState *s, int cluster_num, const char* path) { int ret = 0; unsigned char* cluster = g_malloc(s->cluster_size); direntry_t* direntries = (direntry_t*)cluster; mapping_t* mapping = find_mapping_for_cluster(s, cluster_num); long_file_name lfn; int path_len = strlen(path); char path2[PATH_MAX]; assert(path_len < PATH_MAX); /* len was tested before! */ pstrcpy(path2, sizeof(path2), path); path2[path_len] = '/'; path2[path_len + 1] = '\0'; if (mapping) { const char* basename = get_basename(mapping->path); const char* basename2 = get_basename(path); assert(mapping->mode & MODE_DIRECTORY); assert(mapping->mode & MODE_DELETED); mapping->mode &= ~MODE_DELETED; if (strcmp(basename, basename2)) schedule_rename(s, cluster_num, g_strdup(path)); } else /* new directory */ schedule_mkdir(s, cluster_num, g_strdup(path)); lfn_init(&lfn); do { int i; int subret = 0; ret++; if (s->used_clusters[cluster_num] & USED_ANY) { fprintf(stderr, "cluster %d used more than once\n", (int)cluster_num); return 0; } s->used_clusters[cluster_num] = USED_DIRECTORY; DLOG(fprintf(stderr, "read cluster %d (sector %d)\n", (int)cluster_num, (int)cluster2sector(s, cluster_num))); subret = vvfat_read(s->bs, cluster2sector(s, cluster_num), cluster, s->sectors_per_cluster); if (subret) { fprintf(stderr, "Error fetching direntries\n"); fail: free(cluster); return 0; } for (i = 0; i < 0x10 * s->sectors_per_cluster; i++) { int cluster_count = 0; DLOG(fprintf(stderr, "check direntry %d: \n", i); print_direntry(direntries + i)); if (is_volume_label(direntries + i) || is_dot(direntries + i) || is_free(direntries + i)) continue; subret = parse_long_name(&lfn, direntries + i); if (subret < 0) { fprintf(stderr, "Error in long name\n"); goto fail; } if (subret == 0 || is_free(direntries + i)) continue; if (fat_chksum(direntries+i) != lfn.checksum) { subret = parse_short_name(s, &lfn, direntries + i); if (subret < 0) { fprintf(stderr, "Error in short name (%d)\n", subret); goto fail; } if (subret > 0 || !strcmp((char*)lfn.name, ".") || !strcmp((char*)lfn.name, "..")) continue; } lfn.checksum = 0x100; /* cannot use long name twice */ if (path_len + 1 + lfn.len >= PATH_MAX) { fprintf(stderr, "Name too long: %s/%s\n", path, lfn.name); goto fail; } pstrcpy(path2 + path_len + 1, sizeof(path2) - path_len - 1, (char*)lfn.name); if (is_directory(direntries + i)) { if (begin_of_direntry(direntries + i) == 0) { DLOG(fprintf(stderr, "invalid begin for directory: %s\n", path2); print_direntry(direntries + i)); goto fail; } cluster_count = check_directory_consistency(s, begin_of_direntry(direntries + i), path2); if (cluster_count == 0) { DLOG(fprintf(stderr, "problem in directory %s:\n", path2); print_direntry(direntries + i)); goto fail; } } else if (is_file(direntries + i)) { /* check file size with FAT */ cluster_count = get_cluster_count_for_direntry(s, direntries + i, path2); if (cluster_count != (le32_to_cpu(direntries[i].size) + s->cluster_size - 1) / s->cluster_size) { DLOG(fprintf(stderr, "Cluster count mismatch\n")); goto fail; } } else abort(); /* cluster_count = 0; */ ret += cluster_count; } cluster_num = modified_fat_get(s, cluster_num); } while(!fat_eof(s, cluster_num)); free(cluster); return ret; } | 25,012 |
0 | static void scsi_disk_emulate_write_data(SCSIRequest *req) { SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); if (r->iov.iov_len) { int buflen = r->iov.iov_len; DPRINTF("Write buf_len=%zd\n", buflen); r->iov.iov_len = 0; scsi_req_data(&r->req, buflen); return; } switch (req->cmd.buf[0]) { case MODE_SELECT: case MODE_SELECT_10: /* This also clears the sense buffer for REQUEST SENSE. */ scsi_req_complete(&r->req, GOOD); break; default: abort(); } } | 25,013 |
0 | bool tcg_cpu_exec(void) { int ret = 0; if (next_cpu == NULL) next_cpu = first_cpu; for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) { CPUState *env = cur_cpu = next_cpu; qemu_clock_enable(vm_clock, (cur_cpu->singlestep_enabled & SSTEP_NOTIMER) == 0); if (qemu_alarm_pending()) break; if (cpu_can_run(env)) ret = qemu_cpu_exec(env); else if (env->stop) break; if (ret == EXCP_DEBUG) { gdb_set_stop_cpu(env); debug_requested = EXCP_DEBUG; break; } } return tcg_has_work(); } | 25,014 |
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