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1 | static void handle_arg_log_filename(const char *arg) { qemu_set_log_filename(arg); } | 2,314 |
1 | static int32_t scsi_target_send_command(SCSIRequest *req, uint8_t *buf) { SCSITargetReq *r = DO_UPCAST(SCSITargetReq, req, req); switch (buf[0]) { case REPORT_LUNS: if (!scsi_target_emulate_report_luns(r)) { goto illegal_request; } break; case INQUIRY: if (!scsi_target_emulate_inquiry(r)) { goto illegal_request; } break; case REQUEST_SENSE: r->len = scsi_device_get_sense(r->req.dev, r->buf, MIN(req->cmd.xfer, sizeof r->buf), (req->cmd.buf[1] & 1) == 0); if (r->req.dev->sense_is_ua) { scsi_device_unit_attention_reported(req->dev); r->req.dev->sense_len = 0; r->req.dev->sense_is_ua = false; } break; default: scsi_req_build_sense(req, SENSE_CODE(LUN_NOT_SUPPORTED)); scsi_req_complete(req, CHECK_CONDITION); return 0; illegal_request: scsi_req_build_sense(req, SENSE_CODE(INVALID_FIELD)); scsi_req_complete(req, CHECK_CONDITION); return 0; } if (!r->len) { scsi_req_complete(req, GOOD); } return r->len; } | 2,315 |
1 | static int CUDAAPI cuvid_handle_video_sequence(void *opaque, CUVIDEOFORMAT* format) { AVCodecContext *avctx = opaque; CuvidContext *ctx = avctx->priv_data; AVHWFramesContext *hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data; CUVIDDECODECREATEINFO cuinfo; av_log(avctx, AV_LOG_TRACE, "pfnSequenceCallback\n"); ctx->internal_error = 0; avctx->width = format->display_area.right; avctx->height = format->display_area.bottom; ff_set_sar(avctx, av_div_q( (AVRational){ format->display_aspect_ratio.x, format->display_aspect_ratio.y }, (AVRational){ avctx->width, avctx->height })); if (!format->progressive_sequence) avctx->flags |= AV_CODEC_FLAG_INTERLACED_DCT; else avctx->flags &= ~AV_CODEC_FLAG_INTERLACED_DCT; if (format->video_signal_description.video_full_range_flag) avctx->color_range = AVCOL_RANGE_JPEG; else avctx->color_range = AVCOL_RANGE_MPEG; avctx->color_primaries = format->video_signal_description.color_primaries; avctx->color_trc = format->video_signal_description.transfer_characteristics; avctx->colorspace = format->video_signal_description.matrix_coefficients; if (format->bitrate) avctx->bit_rate = format->bitrate; if (format->frame_rate.numerator && format->frame_rate.denominator) { avctx->framerate.num = format->frame_rate.numerator; avctx->framerate.den = format->frame_rate.denominator; if (ctx->cudecoder && avctx->coded_width == format->coded_width && avctx->coded_height == format->coded_height && ctx->chroma_format == format->chroma_format && ctx->codec_type == format->codec) return 1; if (ctx->cudecoder) { av_log(avctx, AV_LOG_ERROR, "re-initializing decoder is not supported\n"); if (hwframe_ctx->pool && !ctx->ever_flushed) { av_log(avctx, AV_LOG_ERROR, "AVHWFramesContext is already initialized\n"); avctx->coded_width = format->coded_width; avctx->coded_height = format->coded_height; ctx->chroma_format = format->chroma_format; memset(&cuinfo, 0, sizeof(cuinfo)); cuinfo.CodecType = ctx->codec_type = format->codec; cuinfo.ChromaFormat = format->chroma_format; cuinfo.OutputFormat = cudaVideoSurfaceFormat_NV12; cuinfo.ulWidth = avctx->coded_width; cuinfo.ulHeight = avctx->coded_height; cuinfo.ulTargetWidth = cuinfo.ulWidth; cuinfo.ulTargetHeight = cuinfo.ulHeight; cuinfo.target_rect.left = 0; cuinfo.target_rect.top = 0; cuinfo.target_rect.right = cuinfo.ulWidth; cuinfo.target_rect.bottom = cuinfo.ulHeight; cuinfo.ulNumDecodeSurfaces = MAX_FRAME_COUNT; cuinfo.ulNumOutputSurfaces = 1; cuinfo.ulCreationFlags = cudaVideoCreate_PreferCUVID; cuinfo.DeinterlaceMode = cudaVideoDeinterlaceMode_Weave; ctx->internal_error = CHECK_CU(cuvidCreateDecoder(&ctx->cudecoder, &cuinfo)); if (ctx->internal_error < 0) if (!hwframe_ctx->pool) { hwframe_ctx->format = AV_PIX_FMT_CUDA; hwframe_ctx->sw_format = AV_PIX_FMT_NV12; hwframe_ctx->width = FFALIGN(avctx->coded_width, 32); hwframe_ctx->height = FFALIGN(avctx->coded_height, 32); if ((ctx->internal_error = av_hwframe_ctx_init(ctx->hwframe)) < 0) { av_log(avctx, AV_LOG_ERROR, "av_hwframe_ctx_init failed\n"); return 1; | 2,316 |
1 | static void test_leak_bucket(void) { throttle_config_init(&cfg); bkt = cfg.buckets[THROTTLE_BPS_TOTAL]; /* set initial value */ bkt.avg = 150; bkt.max = 15; bkt.level = 1.5; /* leak an op work of time */ throttle_leak_bucket(&bkt, NANOSECONDS_PER_SECOND / 150); g_assert(bkt.avg == 150); g_assert(bkt.max == 15); g_assert(double_cmp(bkt.level, 0.5)); /* leak again emptying the bucket */ throttle_leak_bucket(&bkt, NANOSECONDS_PER_SECOND / 150); g_assert(bkt.avg == 150); g_assert(bkt.max == 15); g_assert(double_cmp(bkt.level, 0)); /* check that the bucket level won't go lower */ throttle_leak_bucket(&bkt, NANOSECONDS_PER_SECOND / 150); g_assert(bkt.avg == 150); g_assert(bkt.max == 15); g_assert(double_cmp(bkt.level, 0)); } | 2,317 |
1 | static BlockAIOCB *blkverify_aio_readv(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, BlockCompletionFunc *cb, void *opaque) { BDRVBlkverifyState *s = bs->opaque; BlkverifyAIOCB *acb = blkverify_aio_get(bs, false, sector_num, qiov, nb_sectors, cb, opaque); acb->verify = blkverify_verify_readv; acb->buf = qemu_blockalign(bs->file->bs, qiov->size); qemu_iovec_init(&acb->raw_qiov, acb->qiov->niov); qemu_iovec_clone(&acb->raw_qiov, qiov, acb->buf); bdrv_aio_readv(s->test_file, sector_num, qiov, nb_sectors, blkverify_aio_cb, acb); bdrv_aio_readv(bs->file, sector_num, &acb->raw_qiov, nb_sectors, blkverify_aio_cb, acb); return &acb->common; } | 2,318 |
1 | void ff_put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size) { const DCTELEM *p; uint8_t *pix; /* read the pixels */ p = block; pix = pixels; /* unrolled loop */ __asm__ volatile ( "movq %3, %%mm0 \n\t" "movq 8%3, %%mm1 \n\t" "movq 16%3, %%mm2 \n\t" "movq 24%3, %%mm3 \n\t" "movq 32%3, %%mm4 \n\t" "movq 40%3, %%mm5 \n\t" "movq 48%3, %%mm6 \n\t" "movq 56%3, %%mm7 \n\t" "packuswb %%mm1, %%mm0 \n\t" "packuswb %%mm3, %%mm2 \n\t" "packuswb %%mm5, %%mm4 \n\t" "packuswb %%mm7, %%mm6 \n\t" "movq %%mm0, (%0) \n\t" "movq %%mm2, (%0, %1) \n\t" "movq %%mm4, (%0, %1, 2) \n\t" "movq %%mm6, (%0, %2) \n\t" :: "r"(pix), "r"((x86_reg)line_size), "r"((x86_reg)line_size * 3), "m"(*p) : "memory"); pix += line_size * 4; p += 32; // if here would be an exact copy of the code above // compiler would generate some very strange code // thus using "r" __asm__ volatile ( "movq (%3), %%mm0 \n\t" "movq 8(%3), %%mm1 \n\t" "movq 16(%3), %%mm2 \n\t" "movq 24(%3), %%mm3 \n\t" "movq 32(%3), %%mm4 \n\t" "movq 40(%3), %%mm5 \n\t" "movq 48(%3), %%mm6 \n\t" "movq 56(%3), %%mm7 \n\t" "packuswb %%mm1, %%mm0 \n\t" "packuswb %%mm3, %%mm2 \n\t" "packuswb %%mm5, %%mm4 \n\t" "packuswb %%mm7, %%mm6 \n\t" "movq %%mm0, (%0) \n\t" "movq %%mm2, (%0, %1) \n\t" "movq %%mm4, (%0, %1, 2) \n\t" "movq %%mm6, (%0, %2) \n\t" :: "r"(pix), "r"((x86_reg)line_size), "r"((x86_reg)line_size * 3), "r"(p) : "memory"); } | 2,319 |
1 | static target_ulong h_enter(CPUPPCState *env, sPAPREnvironment *spapr, target_ulong opcode, target_ulong *args) { target_ulong flags = args[0]; target_ulong pte_index = args[1]; target_ulong pteh = args[2]; target_ulong ptel = args[3]; target_ulong page_shift = 12; target_ulong raddr; target_ulong i; uint8_t *hpte; /* only handle 4k and 16M pages for now */ if (pteh & HPTE_V_LARGE) { #if 0 /* We don't support 64k pages yet */ if ((ptel & 0xf000) == 0x1000) { /* 64k page */ } else #endif if ((ptel & 0xff000) == 0) { /* 16M page */ page_shift = 24; /* lowest AVA bit must be 0 for 16M pages */ if (pteh & 0x80) { return H_PARAMETER; } } else { return H_PARAMETER; } } raddr = (ptel & HPTE_R_RPN) & ~((1ULL << page_shift) - 1); if (raddr < spapr->ram_limit) { /* Regular RAM - should have WIMG=0010 */ if ((ptel & HPTE_R_WIMG) != HPTE_R_M) { return H_PARAMETER; } } else { /* Looks like an IO address */ /* FIXME: What WIMG combinations could be sensible for IO? * For now we allow WIMG=010x, but are there others? */ /* FIXME: Should we check against registered IO addresses? */ if ((ptel & (HPTE_R_W | HPTE_R_I | HPTE_R_M)) != HPTE_R_I) { return H_PARAMETER; } } pteh &= ~0x60ULL; if ((pte_index * HASH_PTE_SIZE_64) & ~env->htab_mask) { return H_PARAMETER; } if (likely((flags & H_EXACT) == 0)) { pte_index &= ~7ULL; hpte = env->external_htab + (pte_index * HASH_PTE_SIZE_64); for (i = 0; ; ++i) { if (i == 8) { return H_PTEG_FULL; } if (((ldq_p(hpte) & HPTE_V_VALID) == 0) && lock_hpte(hpte, HPTE_V_HVLOCK | HPTE_V_VALID)) { break; } hpte += HASH_PTE_SIZE_64; } } else { i = 0; hpte = env->external_htab + (pte_index * HASH_PTE_SIZE_64); if (!lock_hpte(hpte, HPTE_V_HVLOCK | HPTE_V_VALID)) { return H_PTEG_FULL; } } stq_p(hpte + (HASH_PTE_SIZE_64/2), ptel); /* eieio(); FIXME: need some sort of barrier for smp? */ stq_p(hpte, pteh); assert(!(ldq_p(hpte) & HPTE_V_HVLOCK)); args[0] = pte_index + i; return H_SUCCESS; } | 2,320 |
1 | static void exynos4210_gic_init(Object *obj) { DeviceState *dev = DEVICE(obj); Exynos4210GicState *s = EXYNOS4210_GIC(obj); SysBusDevice *sbd = SYS_BUS_DEVICE(obj); uint32_t i; const char cpu_prefix[] = "exynos4210-gic-alias_cpu"; const char dist_prefix[] = "exynos4210-gic-alias_dist"; char cpu_alias_name[sizeof(cpu_prefix) + 3]; char dist_alias_name[sizeof(cpu_prefix) + 3]; SysBusDevice *busdev; s->gic = qdev_create(NULL, "arm_gic"); qdev_prop_set_uint32(s->gic, "num-cpu", s->num_cpu); qdev_prop_set_uint32(s->gic, "num-irq", EXYNOS4210_GIC_NIRQ); qdev_init_nofail(s->gic); busdev = SYS_BUS_DEVICE(s->gic); /* Pass through outbound IRQ lines from the GIC */ sysbus_pass_irq(sbd, busdev); /* Pass through inbound GPIO lines to the GIC */ qdev_init_gpio_in(dev, exynos4210_gic_set_irq, EXYNOS4210_GIC_NIRQ - 32); memory_region_init(&s->cpu_container, obj, "exynos4210-cpu-container", EXYNOS4210_EXT_GIC_CPU_REGION_SIZE); memory_region_init(&s->dist_container, obj, "exynos4210-dist-container", EXYNOS4210_EXT_GIC_DIST_REGION_SIZE); for (i = 0; i < s->num_cpu; i++) { /* Map CPU interface per SMP Core */ sprintf(cpu_alias_name, "%s%x", cpu_prefix, i); memory_region_init_alias(&s->cpu_alias[i], obj, cpu_alias_name, sysbus_mmio_get_region(busdev, 1), 0, EXYNOS4210_GIC_CPU_REGION_SIZE); memory_region_add_subregion(&s->cpu_container, EXYNOS4210_EXT_GIC_CPU_GET_OFFSET(i), &s->cpu_alias[i]); /* Map Distributor per SMP Core */ sprintf(dist_alias_name, "%s%x", dist_prefix, i); memory_region_init_alias(&s->dist_alias[i], obj, dist_alias_name, sysbus_mmio_get_region(busdev, 0), 0, EXYNOS4210_GIC_DIST_REGION_SIZE); memory_region_add_subregion(&s->dist_container, EXYNOS4210_EXT_GIC_DIST_GET_OFFSET(i), &s->dist_alias[i]); } sysbus_init_mmio(sbd, &s->cpu_container); sysbus_init_mmio(sbd, &s->dist_container); } | 2,321 |
1 | static av_cold void compute_alpha_vlcs(void) { uint16_t run_code[129], level_code[256]; uint8_t run_bits[129], level_bits[256]; int run, level; for (run = 0; run < 128; run++) { if (!run) { /* 0 -> 0. */ run_code[run] = 0; run_bits[run] = 1; } else if (run <= 4) { /* 10xx -> xx plus 1. */ run_code[run] = ((run - 1) << 2) | 1; run_bits[run] = 4; } else { /* 111xxxxxxx -> xxxxxxxx. */ run_code[run] = (run << 3) | 7; run_bits[run] = 10; } } /* 110 -> EOB. */ run_code[128] = 3; run_bits[128] = 3; INIT_LE_VLC_STATIC(&ff_dc_alpha_run_vlc_le, ALPHA_VLC_BITS, 129, run_bits, 1, 1, run_code, 2, 2, 160); for (level = 0; level < 256; level++) { int8_t signed_level = (int8_t)level; int abs_signed_level = abs(signed_level); int sign = (signed_level < 0) ? 1 : 0; if (abs_signed_level == 1) { /* 1s -> -1 or +1 (depending on sign bit). */ level_code[level] = (sign << 1) | 1; level_bits[level] = 2; } else if (abs_signed_level >= 2 && abs_signed_level <= 5) { /* 01sxx -> xx plus 2 (2..5 or -2..-5, depending on sign bit). */ level_code[level] = ((abs_signed_level - 2) << 3) | (sign << 2) | 2; level_bits[level] = 5; } else { /* * 00xxxxxxxx -> xxxxxxxx, in two's complement. 0 is technically an * illegal code (that would be encoded by increasing run), but it * doesn't hurt and simplifies indexing. */ level_code[level] = level << 2; level_bits[level] = 10; } } INIT_LE_VLC_STATIC(&ff_dc_alpha_level_vlc_le, ALPHA_VLC_BITS, 256, level_bits, 1, 1, level_code, 2, 2, 288); } | 2,322 |
1 | static void pci_info_device(PCIBus *bus, PCIDevice *d) { Monitor *mon = cur_mon; int i, class; PCIIORegion *r; const pci_class_desc *desc; monitor_printf(mon, " Bus %2d, device %3d, function %d:\n", pci_bus_num(d->bus), PCI_SLOT(d->devfn), PCI_FUNC(d->devfn)); class = pci_get_word(d->config + PCI_CLASS_DEVICE); monitor_printf(mon, " "); desc = pci_class_descriptions; while (desc->desc && class != desc->class) desc++; if (desc->desc) { monitor_printf(mon, "%s", desc->desc); } else { monitor_printf(mon, "Class %04x", class); } monitor_printf(mon, ": PCI device %04x:%04x\n", pci_get_word(d->config + PCI_VENDOR_ID), pci_get_word(d->config + PCI_DEVICE_ID)); if (d->config[PCI_INTERRUPT_PIN] != 0) { monitor_printf(mon, " IRQ %d.\n", d->config[PCI_INTERRUPT_LINE]); } if (class == 0x0604) { uint64_t base; uint64_t limit; monitor_printf(mon, " BUS %d.\n", d->config[0x19]); monitor_printf(mon, " secondary bus %d.\n", d->config[PCI_SECONDARY_BUS]); monitor_printf(mon, " subordinate bus %d.\n", d->config[PCI_SUBORDINATE_BUS]); base = pci_bridge_get_base(d, PCI_BASE_ADDRESS_SPACE_IO); limit = pci_bridge_get_limit(d, PCI_BASE_ADDRESS_SPACE_IO); monitor_printf(mon, " IO range [0x%04"PRIx64", 0x%04"PRIx64"]\n", base, limit); base = pci_bridge_get_base(d, PCI_BASE_ADDRESS_SPACE_MEMORY); limit= pci_config_get_memory_base(d, PCI_BASE_ADDRESS_SPACE_MEMORY); monitor_printf(mon, " memory range [0x%08"PRIx64", 0x%08"PRIx64"]\n", base, limit); base = pci_bridge_get_base(d, PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_PREFETCH); limit = pci_bridge_get_limit(d, PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_PREFETCH); monitor_printf(mon, " prefetchable memory range " "[0x%08"PRIx64", 0x%08"PRIx64"]\n", base, limit); } for(i = 0;i < PCI_NUM_REGIONS; i++) { r = &d->io_regions[i]; if (r->size != 0) { monitor_printf(mon, " BAR%d: ", i); if (r->type & PCI_BASE_ADDRESS_SPACE_IO) { monitor_printf(mon, "I/O at 0x%04"FMT_PCIBUS " [0x%04"FMT_PCIBUS"].\n", r->addr, r->addr + r->size - 1); } else { const char *type = r->type & PCI_BASE_ADDRESS_MEM_TYPE_64 ? "64 bit" : "32 bit"; const char *prefetch = r->type & PCI_BASE_ADDRESS_MEM_PREFETCH ? " prefetchable" : ""; monitor_printf(mon, "%s%s memory at 0x%08"FMT_PCIBUS " [0x%08"FMT_PCIBUS"].\n", type, prefetch, r->addr, r->addr + r->size - 1); } } } monitor_printf(mon, " id \"%s\"\n", d->qdev.id ? d->qdev.id : ""); if (class == 0x0604 && d->config[0x19] != 0) { pci_for_each_device(bus, d->config[0x19], pci_info_device); } } | 2,323 |
1 | int av_write_frame(AVFormatContext *s, AVPacket *pkt) { int ret; compute_pkt_fields2(s->streams[pkt->stream_index], pkt); truncate_ts(s->streams[pkt->stream_index], pkt); ret= s->oformat->write_packet(s, pkt); if(!ret) ret= url_ferror(&s->pb); return ret; } | 2,324 |
1 | static void revert_cdlms(WmallDecodeCtx *s, int tile_size) { int icoef, ich; int32_t pred, channel_coeff; int ilms, num_lms; for (ich = 0; ich < s->num_channels; ich++) { if (!s->is_channel_coded[ich]) continue; for (icoef = 0; icoef < tile_size; icoef++) { num_lms = s->cdlms_ttl[ich]; channel_coeff = s->channel_residues[ich][icoef]; if (icoef == s->transient_pos[ich]) { s->transient[ich] = 1; use_high_update_speed(s, ich); } for (ilms = num_lms; ilms >= 0; ilms--) { pred = lms_predict(s, ich, ilms); channel_coeff += pred; lms_update(s, ich, ilms, channel_coeff, pred); } if (s->transient[ich]) { --s->channel[ich].transient_counter; if(!s->channel[ich].transient_counter) use_normal_update_speed(s, ich); } s->channel_coeffs[ich][icoef] = channel_coeff; } } } | 2,327 |
1 | static void decode_mb_b(AVSContext *h, enum cavs_mb mb_type) { int block; enum cavs_sub_mb sub_type[4]; int flags; ff_cavs_init_mb(h); /* reset all MVs */ h->mv[MV_FWD_X0] = ff_cavs_dir_mv; set_mvs(&h->mv[MV_FWD_X0], BLK_16X16); h->mv[MV_BWD_X0] = ff_cavs_dir_mv; set_mvs(&h->mv[MV_BWD_X0], BLK_16X16); switch(mb_type) { case B_SKIP: case B_DIRECT: if(!h->col_type_base[h->mbidx]) { /* intra MB at co-location, do in-plane prediction */ ff_cavs_mv(h, MV_FWD_X0, MV_FWD_C2, MV_PRED_BSKIP, BLK_16X16, 1); ff_cavs_mv(h, MV_BWD_X0, MV_BWD_C2, MV_PRED_BSKIP, BLK_16X16, 0); } else /* direct prediction from co-located P MB, block-wise */ for(block=0;block<4;block++) mv_pred_direct(h,&h->mv[mv_scan[block]], &h->col_mv[h->mbidx*4 + block]); break; case B_FWD_16X16: ff_cavs_mv(h, MV_FWD_X0, MV_FWD_C2, MV_PRED_MEDIAN, BLK_16X16, 1); break; case B_SYM_16X16: ff_cavs_mv(h, MV_FWD_X0, MV_FWD_C2, MV_PRED_MEDIAN, BLK_16X16, 1); mv_pred_sym(h, &h->mv[MV_FWD_X0], BLK_16X16); break; case B_BWD_16X16: ff_cavs_mv(h, MV_BWD_X0, MV_BWD_C2, MV_PRED_MEDIAN, BLK_16X16, 0); break; case B_8X8: for(block=0;block<4;block++) sub_type[block] = get_bits(&h->s.gb,2); for(block=0;block<4;block++) { switch(sub_type[block]) { case B_SUB_DIRECT: if(!h->col_type_base[h->mbidx]) { /* intra MB at co-location, do in-plane prediction */ ff_cavs_mv(h, mv_scan[block], mv_scan[block]-3, MV_PRED_BSKIP, BLK_8X8, 1); ff_cavs_mv(h, mv_scan[block]+MV_BWD_OFFS, mv_scan[block]-3+MV_BWD_OFFS, MV_PRED_BSKIP, BLK_8X8, 0); } else mv_pred_direct(h,&h->mv[mv_scan[block]], &h->col_mv[h->mbidx*4 + block]); break; case B_SUB_FWD: ff_cavs_mv(h, mv_scan[block], mv_scan[block]-3, MV_PRED_MEDIAN, BLK_8X8, 1); break; case B_SUB_SYM: ff_cavs_mv(h, mv_scan[block], mv_scan[block]-3, MV_PRED_MEDIAN, BLK_8X8, 1); mv_pred_sym(h, &h->mv[mv_scan[block]], BLK_8X8); break; } } for(block=0;block<4;block++) { if(sub_type[block] == B_SUB_BWD) ff_cavs_mv(h, mv_scan[block]+MV_BWD_OFFS, mv_scan[block]+MV_BWD_OFFS-3, MV_PRED_MEDIAN, BLK_8X8, 0); } break; default: av_assert2((mb_type > B_SYM_16X16) && (mb_type < B_8X8)); flags = ff_cavs_partition_flags[mb_type]; if(mb_type & 1) { /* 16x8 macroblock types */ if(flags & FWD0) ff_cavs_mv(h, MV_FWD_X0, MV_FWD_C2, MV_PRED_TOP, BLK_16X8, 1); if(flags & SYM0) mv_pred_sym(h, &h->mv[MV_FWD_X0], BLK_16X8); if(flags & FWD1) ff_cavs_mv(h, MV_FWD_X2, MV_FWD_A1, MV_PRED_LEFT, BLK_16X8, 1); if(flags & SYM1) mv_pred_sym(h, &h->mv[MV_FWD_X2], BLK_16X8); if(flags & BWD0) ff_cavs_mv(h, MV_BWD_X0, MV_BWD_C2, MV_PRED_TOP, BLK_16X8, 0); if(flags & BWD1) ff_cavs_mv(h, MV_BWD_X2, MV_BWD_A1, MV_PRED_LEFT, BLK_16X8, 0); } else { /* 8x16 macroblock types */ if(flags & FWD0) ff_cavs_mv(h, MV_FWD_X0, MV_FWD_B3, MV_PRED_LEFT, BLK_8X16, 1); if(flags & SYM0) mv_pred_sym(h, &h->mv[MV_FWD_X0], BLK_8X16); if(flags & FWD1) ff_cavs_mv(h,MV_FWD_X1,MV_FWD_C2,MV_PRED_TOPRIGHT,BLK_8X16,1); if(flags & SYM1) mv_pred_sym(h, &h->mv[MV_FWD_X1], BLK_8X16); if(flags & BWD0) ff_cavs_mv(h, MV_BWD_X0, MV_BWD_B3, MV_PRED_LEFT, BLK_8X16, 0); if(flags & BWD1) ff_cavs_mv(h,MV_BWD_X1,MV_BWD_C2,MV_PRED_TOPRIGHT,BLK_8X16,0); } } ff_cavs_inter(h, mb_type); set_intra_mode_default(h); if(mb_type != B_SKIP) decode_residual_inter(h); ff_cavs_filter(h,mb_type); } | 2,331 |
1 | static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output) { AVFrame *decoded_frame; AVCodecContext *avctx = ist->st->codec; int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt); int i, ret; if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame())) return AVERROR(ENOMEM); else avcodec_get_frame_defaults(ist->decoded_frame); decoded_frame = ist->decoded_frame; ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt); if (ret < 0) { return ret; } if (!*got_output) { /* no audio frame */ return ret; } /* if the decoder provides a pts, use it instead of the last packet pts. the decoder could be delaying output by a packet or more. */ if (decoded_frame->pts != AV_NOPTS_VALUE) ist->next_dts = decoded_frame->pts; /* increment next_dts to use for the case where the input stream does not have timestamps or there are multiple frames in the packet */ ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) / avctx->sample_rate; // preprocess audio (volume) if (audio_volume != 256) { int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps; void *samples = decoded_frame->data[0]; switch (avctx->sample_fmt) { case AV_SAMPLE_FMT_U8: { uint8_t *volp = samples; for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) { int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128; *volp++ = av_clip_uint8(v); } break; } case AV_SAMPLE_FMT_S16: { int16_t *volp = samples; for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) { int v = ((*volp) * audio_volume + 128) >> 8; *volp++ = av_clip_int16(v); } break; } case AV_SAMPLE_FMT_S32: { int32_t *volp = samples; for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) { int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8); *volp++ = av_clipl_int32(v); } break; } case AV_SAMPLE_FMT_FLT: { float *volp = samples; float scale = audio_volume / 256.f; for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) { *volp++ *= scale; } break; } case AV_SAMPLE_FMT_DBL: { double *volp = samples; double scale = audio_volume / 256.; for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) { *volp++ *= scale; } break; } default: av_log(NULL, AV_LOG_FATAL, "Audio volume adjustment on sample format %s is not supported.\n", av_get_sample_fmt_name(ist->st->codec->sample_fmt)); exit_program(1); } } rate_emu_sleep(ist); for (i = 0; i < nb_output_streams; i++) { OutputStream *ost = output_streams[i]; if (!check_output_constraints(ist, ost) || !ost->encoding_needed) continue; do_audio_out(output_files[ost->file_index]->ctx, ost, ist, decoded_frame); } return ret; } | 2,332 |
1 | static inline void store_cpu_offset(TCGv var, int offset) { tcg_gen_st_i32(var, cpu_env, offset); dead_tmp(var); } | 2,333 |
1 | static void test_cipher_speed(const void *opaque) { QCryptoCipher *cipher; Error *err = NULL; double total = 0.0; size_t chunk_size = (size_t)opaque; uint8_t *key = NULL, *iv = NULL; uint8_t *plaintext = NULL, *ciphertext = NULL; size_t nkey = qcrypto_cipher_get_key_len(QCRYPTO_CIPHER_ALG_AES_128); size_t niv = qcrypto_cipher_get_iv_len(QCRYPTO_CIPHER_ALG_AES_128, QCRYPTO_CIPHER_MODE_CBC); key = g_new0(uint8_t, nkey); memset(key, g_test_rand_int(), nkey); iv = g_new0(uint8_t, niv); memset(iv, g_test_rand_int(), niv); ciphertext = g_new0(uint8_t, chunk_size); plaintext = g_new0(uint8_t, chunk_size); memset(plaintext, g_test_rand_int(), chunk_size); cipher = qcrypto_cipher_new(QCRYPTO_CIPHER_ALG_AES_128, QCRYPTO_CIPHER_MODE_CBC, key, nkey, &err); g_assert(cipher != NULL); g_assert(qcrypto_cipher_setiv(cipher, iv, niv, &err) == 0); g_test_timer_start(); do { g_assert(qcrypto_cipher_encrypt(cipher, plaintext, ciphertext, chunk_size, &err) == 0); total += chunk_size; } while (g_test_timer_elapsed() < 5.0); total /= 1024 * 1024; /* to MB */ g_print("cbc(aes128): "); g_print("Testing chunk_size %ld bytes ", chunk_size); g_print("done: %.2f MB in %.2f secs: ", total, g_test_timer_last()); g_print("%.2f MB/sec\n", total / g_test_timer_last()); qcrypto_cipher_free(cipher); g_free(plaintext); g_free(ciphertext); g_free(iv); g_free(key); } | 2,337 |
1 | static void s390_init(ram_addr_t my_ram_size, const char *boot_device, const char *kernel_filename, const char *kernel_cmdline, const char *initrd_filename, const char *cpu_model) { CPUState *env = NULL; MemoryRegion *sysmem = get_system_memory(); MemoryRegion *ram = g_new(MemoryRegion, 1); ram_addr_t kernel_size = 0; ram_addr_t initrd_offset; ram_addr_t initrd_size = 0; int shift = 0; uint8_t *storage_keys; void *virtio_region; target_phys_addr_t virtio_region_len; target_phys_addr_t virtio_region_start; int i; /* s390x ram size detection needs a 16bit multiplier + an increment. So guests > 64GB can be specified in 2MB steps etc. */ while ((my_ram_size >> (20 + shift)) > 65535) { shift++; } my_ram_size = my_ram_size >> (20 + shift) << (20 + shift); /* lets propagate the changed ram size into the global variable. */ ram_size = my_ram_size; /* get a BUS */ s390_bus = s390_virtio_bus_init(&my_ram_size); /* allocate RAM */ memory_region_init_ram(ram, NULL, "s390.ram", my_ram_size); memory_region_add_subregion(sysmem, 0, ram); /* allocate storage keys */ storage_keys = g_malloc0(my_ram_size / TARGET_PAGE_SIZE); /* init CPUs */ if (cpu_model == NULL) { cpu_model = "host"; } ipi_states = g_malloc(sizeof(CPUState *) * smp_cpus); for (i = 0; i < smp_cpus; i++) { CPUState *tmp_env; tmp_env = cpu_init(cpu_model); if (!env) { env = tmp_env; } ipi_states[i] = tmp_env; tmp_env->halted = 1; tmp_env->exception_index = EXCP_HLT; tmp_env->storage_keys = storage_keys; } /* One CPU has to run */ s390_add_running_cpu(env); if (kernel_filename) { kernel_size = load_image(kernel_filename, qemu_get_ram_ptr(0)); if (lduw_be_phys(KERN_IMAGE_START) != 0x0dd0) { fprintf(stderr, "Specified image is not an s390 boot image\n"); exit(1); } env->psw.addr = KERN_IMAGE_START; env->psw.mask = 0x0000000180000000ULL; } else { ram_addr_t bios_size = 0; char *bios_filename; /* Load zipl bootloader */ if (bios_name == NULL) { bios_name = ZIPL_FILENAME; } bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); bios_size = load_image(bios_filename, qemu_get_ram_ptr(ZIPL_LOAD_ADDR)); g_free(bios_filename); if ((long)bios_size < 0) { hw_error("could not load bootloader '%s'\n", bios_name); } if (bios_size > 4096) { hw_error("stage1 bootloader is > 4k\n"); } env->psw.addr = ZIPL_START; env->psw.mask = 0x0000000180000000ULL; } if (initrd_filename) { initrd_offset = INITRD_START; while (kernel_size + 0x100000 > initrd_offset) { initrd_offset += 0x100000; } initrd_size = load_image(initrd_filename, qemu_get_ram_ptr(initrd_offset)); stq_be_phys(INITRD_PARM_START, initrd_offset); stq_be_phys(INITRD_PARM_SIZE, initrd_size); } if (kernel_cmdline) { cpu_physical_memory_write(KERN_PARM_AREA, kernel_cmdline, strlen(kernel_cmdline) + 1); } /* Create VirtIO network adapters */ for(i = 0; i < nb_nics; i++) { NICInfo *nd = &nd_table[i]; DeviceState *dev; if (!nd->model) { nd->model = g_strdup("virtio"); } if (strcmp(nd->model, "virtio")) { fprintf(stderr, "S390 only supports VirtIO nics\n"); exit(1); } dev = qdev_create((BusState *)s390_bus, "virtio-net-s390"); qdev_set_nic_properties(dev, nd); qdev_init_nofail(dev); } /* Create VirtIO disk drives */ for(i = 0; i < MAX_BLK_DEVS; i++) { DriveInfo *dinfo; DeviceState *dev; dinfo = drive_get(IF_IDE, 0, i); if (!dinfo) { continue; } dev = qdev_create((BusState *)s390_bus, "virtio-blk-s390"); qdev_prop_set_drive_nofail(dev, "drive", dinfo->bdrv); qdev_init_nofail(dev); } } | 2,338 |
1 | void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info) { host_to_target_siginfo_noswap(tinfo, info); tswap_siginfo(tinfo, tinfo); } | 2,339 |
1 | static void ioapic_common_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->realize = ioapic_common_realize; dc->vmsd = &vmstate_ioapic_common; dc->no_user = 1; } | 2,340 |
1 | uint64_t helper_cmpbge(uint64_t op1, uint64_t op2) { #if defined(__SSE2__) uint64_t r; /* The cmpbge instruction is heavily used in the implementation of every string function on Alpha. We can do much better than either the default loop below, or even an unrolled version by using the native vector support. */ { typedef uint64_t Q __attribute__((vector_size(16))); typedef uint8_t B __attribute__((vector_size(16))); Q q1 = (Q){ op1, 0 }; Q q2 = (Q){ op2, 0 }; q1 = (Q)((B)q1 >= (B)q2); r = q1[0]; } /* Select only one bit from each byte. */ r &= 0x0101010101010101; /* Collect the bits into the bottom byte. */ /* .......A.......B.......C.......D.......E.......F.......G.......H */ r |= r >> (8 - 1); /* .......A......AB......BC......CD......DE......EF......FG......GH */ r |= r >> (16 - 2); /* .......A......AB.....ABC....ABCD....BCDE....CDEF....DEFG....EFGH */ r |= r >> (32 - 4); /* .......A......AB.....ABC....ABCD...ABCDE..ABCDEF.ABCDEFGABCDEFGH */ /* Return only the low 8 bits. */ return r & 0xff; #else uint8_t opa, opb, res; int i; res = 0; for (i = 0; i < 8; i++) { opa = op1 >> (i * 8); opb = op2 >> (i * 8); if (opa >= opb) { res |= 1 << i; } } return res; #endif } | 2,341 |
1 | int nbd_client_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, int bytes, BdrvRequestFlags flags) { NBDClientSession *client = nbd_get_client_session(bs); NBDRequest request = { .type = NBD_CMD_WRITE_ZEROES, .from = offset, .len = bytes, }; if (!(client->info.flags & NBD_FLAG_SEND_WRITE_ZEROES)) { return -ENOTSUP; } if (flags & BDRV_REQ_FUA) { assert(client->info.flags & NBD_FLAG_SEND_FUA); request.flags |= NBD_CMD_FLAG_FUA; } if (!(flags & BDRV_REQ_MAY_UNMAP)) { request.flags |= NBD_CMD_FLAG_NO_HOLE; } return nbd_co_request(bs, &request, NULL); } | 2,342 |
1 | static uint32_t get_cmd(ESPState *s, uint8_t *buf) { uint32_t dmalen; int target; dmalen = s->rregs[ESP_TCLO] | (s->rregs[ESP_TCMID] << 8); target = s->wregs[ESP_WBUSID] & 7; DPRINTF("get_cmd: len %d target %d\n", dmalen, target); if (s->dma) { s->dma_memory_read(s->dma_opaque, buf, dmalen); } else { buf[0] = 0; memcpy(&buf[1], s->ti_buf, dmalen); dmalen++; } s->ti_size = 0; s->ti_rptr = 0; s->ti_wptr = 0; if (s->current_dev) { /* Started a new command before the old one finished. Cancel it. */ s->current_dev->cancel_io(s->current_dev, 0); s->async_len = 0; } if (target >= ESP_MAX_DEVS || !s->scsi_dev[target]) { // No such drive s->rregs[ESP_RSTAT] = 0; s->rregs[ESP_RINTR] = INTR_DC; s->rregs[ESP_RSEQ] = SEQ_0; esp_raise_irq(s); return 0; } s->current_dev = s->scsi_dev[target]; return dmalen; } | 2,343 |
1 | static int opt_preset(const char *opt, const char *arg) { FILE *f=NULL; char tmp[1000], tmp2[1000], line[1000]; int i; const char *base[3]= { getenv("HOME"), "/usr/local/share", "/usr/share", }; for(i=!base[0]; i<3 && !f; i++){ snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s.ffpreset", base[i], i ? "" : ".", arg); f= fopen(tmp, "r"); if(!f){ char *codec_name= *opt == 'v' ? video_codec_name : *opt == 'a' ? audio_codec_name : subtitle_codec_name; snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s-%s.ffpreset", base[i], i ? "" : ".", codec_name, arg); f= fopen(tmp, "r"); } } if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/')){ f= fopen(arg, "r"); } if(!f){ fprintf(stderr, "Preset file not found\n"); av_exit(1); } while(!feof(f)){ int e= fscanf(f, "%999[^\n]\n", line) - 1; if(line[0] == '#' && !e) continue; e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2; if(e){ fprintf(stderr, "Preset file invalid\n"); av_exit(1); } if(!strcmp(tmp, "acodec")){ opt_audio_codec(tmp2); }else if(!strcmp(tmp, "vcodec")){ opt_video_codec(tmp2); }else if(!strcmp(tmp, "scodec")){ opt_subtitle_codec(tmp2); }else opt_default(tmp, tmp2); } fclose(f); return 0; } | 2,344 |
1 | static USBDevice *usb_msd_init(USBBus *bus, const char *filename) { static int nr=0; char id[8]; QemuOpts *opts; DriveInfo *dinfo; USBDevice *dev; const char *p1; char fmt[32]; /* parse -usbdevice disk: syntax into drive opts */ snprintf(id, sizeof(id), "usb%d", nr++); opts = qemu_opts_create(qemu_find_opts("drive"), id, 0); p1 = strchr(filename, ':'); if (p1++) { const char *p2; if (strstart(filename, "format=", &p2)) { int len = MIN(p1 - p2, sizeof(fmt)); pstrcpy(fmt, len, p2); qemu_opt_set(opts, "format", fmt); } else if (*filename != ':') { printf("unrecognized USB mass-storage option %s\n", filename); return NULL; } filename = p1; } if (!*filename) { printf("block device specification needed\n"); return NULL; } qemu_opt_set(opts, "file", filename); qemu_opt_set(opts, "if", "none"); /* create host drive */ dinfo = drive_init(opts, 0); if (!dinfo) { qemu_opts_del(opts); return NULL; } /* create guest device */ dev = usb_create(bus, "usb-storage"); if (!dev) { return NULL; } if (qdev_prop_set_drive(&dev->qdev, "drive", dinfo->bdrv) < 0) { qdev_free(&dev->qdev); return NULL; } if (qdev_init(&dev->qdev) < 0) return NULL; return dev; } | 2,345 |
1 | static void codebook_trellis_rate(AACEncContext *s, SingleChannelElement *sce, int win, int group_len, const float lambda) { BandCodingPath path[120][12]; int w, swb, cb, start, size; int i, j; const int max_sfb = sce->ics.max_sfb; const int run_bits = sce->ics.num_windows == 1 ? 5 : 3; const int run_esc = (1 << run_bits) - 1; int idx, ppos, count; int stackrun[120], stackcb[120], stack_len; float next_minbits = INFINITY; int next_mincb = 0; abs_pow34_v(s->scoefs, sce->coeffs, 1024); start = win*128; for (cb = 0; cb < 12; cb++) { path[0][cb].cost = run_bits+4; path[0][cb].prev_idx = -1; path[0][cb].run = 0; } for (swb = 0; swb < max_sfb; swb++) { size = sce->ics.swb_sizes[swb]; if (sce->zeroes[win*16 + swb]) { float cost_stay_here = path[swb][0].cost; float cost_get_here = next_minbits + run_bits + 4; if ( run_value_bits[sce->ics.num_windows == 8][path[swb][0].run] != run_value_bits[sce->ics.num_windows == 8][path[swb][0].run+1]) cost_stay_here += run_bits; if (cost_get_here < cost_stay_here) { path[swb+1][0].prev_idx = next_mincb; path[swb+1][0].cost = cost_get_here; path[swb+1][0].run = 1; } else { path[swb+1][0].prev_idx = 0; path[swb+1][0].cost = cost_stay_here; path[swb+1][0].run = path[swb][0].run + 1; } next_minbits = path[swb+1][0].cost; next_mincb = 0; for (cb = 1; cb < 12; cb++) { path[swb+1][cb].cost = 61450; path[swb+1][cb].prev_idx = -1; path[swb+1][cb].run = 0; } } else { float minbits = next_minbits; int mincb = next_mincb; int startcb = sce->band_type[win*16+swb]; next_minbits = INFINITY; next_mincb = 0; for (cb = 0; cb < startcb; cb++) { path[swb+1][cb].cost = 61450; path[swb+1][cb].prev_idx = -1; path[swb+1][cb].run = 0; } for (cb = startcb; cb < 12; cb++) { float cost_stay_here, cost_get_here; float bits = 0.0f; for (w = 0; w < group_len; w++) { bits += quantize_band_cost(s, sce->coeffs + start + w*128, s->scoefs + start + w*128, size, sce->sf_idx[(win+w)*16+swb], cb, 0, INFINITY, NULL); } cost_stay_here = path[swb][cb].cost + bits; cost_get_here = minbits + bits + run_bits + 4; if ( run_value_bits[sce->ics.num_windows == 8][path[swb][cb].run] != run_value_bits[sce->ics.num_windows == 8][path[swb][cb].run+1]) cost_stay_here += run_bits; if (cost_get_here < cost_stay_here) { path[swb+1][cb].prev_idx = mincb; path[swb+1][cb].cost = cost_get_here; path[swb+1][cb].run = 1; } else { path[swb+1][cb].prev_idx = cb; path[swb+1][cb].cost = cost_stay_here; path[swb+1][cb].run = path[swb][cb].run + 1; } if (path[swb+1][cb].cost < next_minbits) { next_minbits = path[swb+1][cb].cost; next_mincb = cb; } } } start += sce->ics.swb_sizes[swb]; } //convert resulting path from backward-linked list stack_len = 0; idx = 0; for (cb = 1; cb < 12; cb++) if (path[max_sfb][cb].cost < path[max_sfb][idx].cost) idx = cb; ppos = max_sfb; while (ppos > 0) { av_assert1(idx >= 0); cb = idx; stackrun[stack_len] = path[ppos][cb].run; stackcb [stack_len] = cb; idx = path[ppos-path[ppos][cb].run+1][cb].prev_idx; ppos -= path[ppos][cb].run; stack_len++; } //perform actual band info encoding start = 0; for (i = stack_len - 1; i >= 0; i--) { put_bits(&s->pb, 4, stackcb[i]); count = stackrun[i]; memset(sce->zeroes + win*16 + start, !stackcb[i], count); //XXX: memset when band_type is also uint8_t for (j = 0; j < count; j++) { sce->band_type[win*16 + start] = stackcb[i]; start++; } while (count >= run_esc) { put_bits(&s->pb, run_bits, run_esc); count -= run_esc; } put_bits(&s->pb, run_bits, count); } } | 2,346 |
1 | av_cold void ff_mlpdsp_init_arm(MLPDSPContext *c) { int cpu_flags = av_get_cpu_flags(); if (have_armv5te(cpu_flags)) { c->mlp_filter_channel = ff_mlp_filter_channel_arm; } } | 2,347 |
1 | void slirp_pollfds_poll(GArray *pollfds, int select_error) { Slirp *slirp; struct socket *so, *so_next; int ret; if (QTAILQ_EMPTY(&slirp_instances)) { return; } curtime = qemu_clock_get_ms(QEMU_CLOCK_REALTIME); QTAILQ_FOREACH(slirp, &slirp_instances, entry) { /* * See if anything has timed out */ if (slirp->time_fasttimo && ((curtime - slirp->time_fasttimo) >= TIMEOUT_FAST)) { tcp_fasttimo(slirp); slirp->time_fasttimo = 0; } if (slirp->do_slowtimo && ((curtime - slirp->last_slowtimo) >= TIMEOUT_SLOW)) { ip_slowtimo(slirp); tcp_slowtimo(slirp); slirp->last_slowtimo = curtime; } /* * Check sockets */ if (!select_error) { /* * Check TCP sockets */ for (so = slirp->tcb.so_next; so != &slirp->tcb; so = so_next) { int revents; so_next = so->so_next; revents = 0; if (so->pollfds_idx != -1) { revents = g_array_index(pollfds, GPollFD, so->pollfds_idx).revents; } if (so->so_state & SS_NOFDREF || so->s == -1) { continue; } /* * Check for URG data * This will soread as well, so no need to * test for G_IO_IN below if this succeeds */ if (revents & G_IO_PRI) { sorecvoob(so); } /* * Check sockets for reading */ else if (revents & (G_IO_IN | G_IO_HUP | G_IO_ERR)) { /* * Check for incoming connections */ if (so->so_state & SS_FACCEPTCONN) { tcp_connect(so); continue; } /* else */ ret = soread(so); /* Output it if we read something */ if (ret > 0) { tcp_output(sototcpcb(so)); } } /* * Check sockets for writing */ if (!(so->so_state & SS_NOFDREF) && (revents & (G_IO_OUT | G_IO_ERR))) { /* * Check for non-blocking, still-connecting sockets */ if (so->so_state & SS_ISFCONNECTING) { /* Connected */ so->so_state &= ~SS_ISFCONNECTING; ret = send(so->s, (const void *) &ret, 0, 0); if (ret < 0) { /* XXXXX Must fix, zero bytes is a NOP */ if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINPROGRESS || errno == ENOTCONN) { continue; } /* else failed */ so->so_state &= SS_PERSISTENT_MASK; so->so_state |= SS_NOFDREF; } /* else so->so_state &= ~SS_ISFCONNECTING; */ /* * Continue tcp_input */ tcp_input((struct mbuf *)NULL, sizeof(struct ip), so, so->so_ffamily); /* continue; */ } else { ret = sowrite(so); } /* * XXXXX If we wrote something (a lot), there * could be a need for a window update. * In the worst case, the remote will send * a window probe to get things going again */ } /* * Probe a still-connecting, non-blocking socket * to check if it's still alive */ #ifdef PROBE_CONN if (so->so_state & SS_ISFCONNECTING) { ret = qemu_recv(so->s, &ret, 0, 0); if (ret < 0) { /* XXX */ if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINPROGRESS || errno == ENOTCONN) { continue; /* Still connecting, continue */ } /* else failed */ so->so_state &= SS_PERSISTENT_MASK; so->so_state |= SS_NOFDREF; /* tcp_input will take care of it */ } else { ret = send(so->s, &ret, 0, 0); if (ret < 0) { /* XXX */ if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINPROGRESS || errno == ENOTCONN) { continue; } /* else failed */ so->so_state &= SS_PERSISTENT_MASK; so->so_state |= SS_NOFDREF; } else { so->so_state &= ~SS_ISFCONNECTING; } } tcp_input((struct mbuf *)NULL, sizeof(struct ip), so, so->so_ffamily); } /* SS_ISFCONNECTING */ #endif } /* * Now UDP sockets. * Incoming packets are sent straight away, they're not buffered. * Incoming UDP data isn't buffered either. */ for (so = slirp->udb.so_next; so != &slirp->udb; so = so_next) { int revents; so_next = so->so_next; revents = 0; if (so->pollfds_idx != -1) { revents = g_array_index(pollfds, GPollFD, so->pollfds_idx).revents; } if (so->s != -1 && (revents & (G_IO_IN | G_IO_HUP | G_IO_ERR))) { sorecvfrom(so); } } /* * Check incoming ICMP relies. */ for (so = slirp->icmp.so_next; so != &slirp->icmp; so = so_next) { int revents; so_next = so->so_next; revents = 0; if (so->pollfds_idx != -1) { revents = g_array_index(pollfds, GPollFD, so->pollfds_idx).revents; } if (so->s != -1 && (revents & (G_IO_IN | G_IO_HUP | G_IO_ERR))) { icmp_receive(so); } } } if_start(slirp); } } | 2,351 |
1 | SwsFunc yuv2rgb_init_mlib(SwsContext *c) { switch(c->dstFormat){ case PIX_FMT_RGB24: return mlib_YUV2RGB420_24; case PIX_FMT_BGR32: return mlib_YUV2ARGB420_32; case PIX_FMT_RGB32: return mlib_YUV2ABGR420_32; default: return NULL; } } | 2,353 |
1 | int ffio_ensure_seekback(AVIOContext *s, int64_t buf_size) { uint8_t *buffer; int max_buffer_size = s->max_packet_size ? s->max_packet_size : IO_BUFFER_SIZE; int filled = s->buf_end - s->buffer; ptrdiff_t checksum_ptr_offset = s->checksum_ptr ? s->checksum_ptr - s->buffer : -1; buf_size += s->buf_ptr - s->buffer + max_buffer_size; if (buf_size < filled || s->seekable || !s->read_packet) return 0; av_assert0(!s->write_flag); buffer = av_malloc(buf_size); if (!buffer) return AVERROR(ENOMEM); memcpy(buffer, s->buffer, filled); av_free(s->buffer); s->buf_ptr = buffer + (s->buf_ptr - s->buffer); s->buf_end = buffer + (s->buf_end - s->buffer); s->buffer = buffer; s->buffer_size = buf_size; return 0; } | 2,354 |
1 | static void raise_mmu_exception(CPUMIPSState *env, target_ulong address, int rw, int tlb_error) { CPUState *cs = CPU(mips_env_get_cpu(env)); int exception = 0, error_code = 0; if (rw == MMU_INST_FETCH) { error_code |= EXCP_INST_NOTAVAIL; } switch (tlb_error) { default: case TLBRET_BADADDR: /* Reference to kernel address from user mode or supervisor mode */ /* Reference to supervisor address from user mode */ if (rw == MMU_DATA_STORE) { exception = EXCP_AdES; } else { exception = EXCP_AdEL; } break; case TLBRET_NOMATCH: /* No TLB match for a mapped address */ if (rw == MMU_DATA_STORE) { exception = EXCP_TLBS; } else { exception = EXCP_TLBL; } error_code |= EXCP_TLB_NOMATCH; break; case TLBRET_INVALID: /* TLB match with no valid bit */ if (rw == MMU_DATA_STORE) { exception = EXCP_TLBS; } else { exception = EXCP_TLBL; } break; case TLBRET_DIRTY: /* TLB match but 'D' bit is cleared */ exception = EXCP_LTLBL; break; case TLBRET_XI: /* Execute-Inhibit Exception */ if (env->CP0_PageGrain & (1 << CP0PG_IEC)) { exception = EXCP_TLBXI; } else { exception = EXCP_TLBL; } break; case TLBRET_RI: /* Read-Inhibit Exception */ if (env->CP0_PageGrain & (1 << CP0PG_IEC)) { exception = EXCP_TLBRI; } else { exception = EXCP_TLBL; } break; } /* Raise exception */ env->CP0_BadVAddr = address; env->CP0_Context = (env->CP0_Context & ~0x007fffff) | ((address >> 9) & 0x007ffff0); env->CP0_EntryHi = (env->CP0_EntryHi & env->CP0_EntryHi_ASID_mask) | (address & (TARGET_PAGE_MASK << 1)); #if defined(TARGET_MIPS64) env->CP0_EntryHi &= env->SEGMask; env->CP0_XContext = /* PTEBase */ (env->CP0_XContext & ((~0ULL) << (env->SEGBITS - 7))) | /* R */ (extract64(address, 62, 2) << (env->SEGBITS - 9)) | /* BadVPN2 */ (extract64(address, 13, env->SEGBITS - 13) << 4); #endif cs->exception_index = exception; env->error_code = error_code; } | 2,355 |
1 | static int decode_frame(WmallDecodeCtx *s) { GetBitContext* gb = &s->gb; int more_frames = 0; int len = 0; int i; /** check for potential output buffer overflow */ if (s->num_channels * s->samples_per_frame > s->samples_end - s->samples) { /** return an error if no frame could be decoded at all */ av_log(s->avctx, AV_LOG_ERROR, "not enough space for the output samples\n"); s->packet_loss = 1; return 0; } /** get frame length */ if (s->len_prefix) len = get_bits(gb, s->log2_frame_size); /** decode tile information */ if (decode_tilehdr(s)) { s->packet_loss = 1; return 0; } /** read drc info */ if (s->dynamic_range_compression) { s->drc_gain = get_bits(gb, 8); } /** no idea what these are for, might be the number of samples that need to be skipped at the beginning or end of a stream */ if (get_bits1(gb)) { int skip; /** usually true for the first frame */ if (get_bits1(gb)) { skip = get_bits(gb, av_log2(s->samples_per_frame * 2)); dprintf(s->avctx, "start skip: %i\n", skip); } /** sometimes true for the last frame */ if (get_bits1(gb)) { skip = get_bits(gb, av_log2(s->samples_per_frame * 2)); dprintf(s->avctx, "end skip: %i\n", skip); } } /** reset subframe states */ s->parsed_all_subframes = 0; for (i = 0; i < s->num_channels; i++) { s->channel[i].decoded_samples = 0; s->channel[i].cur_subframe = 0; s->channel[i].reuse_sf = 0; } /** decode all subframes */ while (!s->parsed_all_subframes) { if (decode_subframe(s) < 0) { s->packet_loss = 1; return 0; } } dprintf(s->avctx, "Frame done\n"); if (s->skip_frame) { s->skip_frame = 0; } else s->samples += s->num_channels * s->samples_per_frame; if (s->len_prefix) { if (len != (get_bits_count(gb) - s->frame_offset) + 2) { /** FIXME: not sure if this is always an error */ av_log(s->avctx, AV_LOG_ERROR, "frame[%i] would have to skip %i bits\n", s->frame_num, len - (get_bits_count(gb) - s->frame_offset) - 1); s->packet_loss = 1; return 0; } /** skip the rest of the frame data */ skip_bits_long(gb, len - (get_bits_count(gb) - s->frame_offset) - 1); } else { /* while (get_bits_count(gb) < s->num_saved_bits && get_bits1(gb) == 0) { dprintf(s->avctx, "skip1\n"); } */ } /** decode trailer bit */ more_frames = get_bits1(gb); ++s->frame_num; return more_frames; } | 2,356 |
1 | static void rv34_idct_dc_add_c(uint8_t *dst, int stride, int dc) { const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; int i, j; cm += (13*13*dc + 0x200) >> 10; for (i = 0; i < 4; i++) { for (j = 0; j < 4; j++) dst[j] = cm[ dst[j] ]; dst += stride; } } | 2,357 |
1 | static void monitor_event(void *opaque, int event) { Monitor *mon = opaque; switch (event) { case CHR_EVENT_MUX_IN: qemu_mutex_lock(&mon->out_lock); mon->mux_out = 0; qemu_mutex_unlock(&mon->out_lock); if (mon->reset_seen) { monitor_resume(mon); monitor_flush(mon); } else { mon->suspend_cnt = 0; } break; case CHR_EVENT_MUX_OUT: if (mon->reset_seen) { if (mon->suspend_cnt == 0) { monitor_printf(mon, "\n"); } monitor_flush(mon); monitor_suspend(mon); } else { mon->suspend_cnt++; } qemu_mutex_lock(&mon->out_lock); mon->mux_out = 1; qemu_mutex_unlock(&mon->out_lock); break; case CHR_EVENT_OPENED: monitor_printf(mon, "QEMU %s monitor - type 'help' for more " "information\n", QEMU_VERSION); if (!mon->mux_out) { readline_show_prompt(mon->rs); } mon->reset_seen = 1; mon_refcount++; break; case CHR_EVENT_CLOSED: mon_refcount--; monitor_fdsets_cleanup(); break; } } | 2,359 |
1 | static ExitStatus gen_mtpr(DisasContext *ctx, TCGv vb, int regno) { TCGv tmp; int data; switch (regno) { case 255: /* TBIA */ gen_helper_tbia(cpu_env); break; case 254: /* TBIS */ gen_helper_tbis(cpu_env, vb); break; case 253: /* WAIT */ tmp = tcg_const_i64(1); tcg_gen_st32_i64(tmp, cpu_env, -offsetof(AlphaCPU, env) + offsetof(CPUState, halted)); return gen_excp(ctx, EXCP_HALTED, 0); case 252: /* HALT */ gen_helper_halt(vb); return EXIT_PC_STALE; case 251: /* ALARM */ gen_helper_set_alarm(cpu_env, vb); break; case 7: /* PALBR */ tcg_gen_st_i64(vb, cpu_env, offsetof(CPUAlphaState, palbr)); /* Changing the PAL base register implies un-chaining all of the TBs that ended with a CALL_PAL. Since the base register usually only changes during boot, flushing everything works well. */ gen_helper_tb_flush(cpu_env); return EXIT_PC_STALE; case 32 ... 39: /* Accessing the "non-shadow" general registers. */ regno = regno == 39 ? 25 : regno - 32 + 8; tcg_gen_mov_i64(cpu_std_ir[regno], vb); break; case 0: /* PS */ st_flag_byte(vb, ENV_FLAG_PS_SHIFT); break; case 1: /* FEN */ st_flag_byte(vb, ENV_FLAG_FEN_SHIFT); break; default: /* The basic registers are data only, and unknown registers are read-zero, write-ignore. */ data = cpu_pr_data(regno); if (data != 0) { if (data & PR_LONG) { tcg_gen_st32_i64(vb, cpu_env, data & ~PR_LONG); } else { tcg_gen_st_i64(vb, cpu_env, data); } } break; } return NO_EXIT; } | 2,360 |
1 | static bool key_is_missing(const BlockInfo *bdev) { return (bdev->inserted && bdev->inserted->encryption_key_missing); } | 2,361 |
1 | static int64_t ivshmem_recv_msg(IVShmemState *s, int *pfd, Error **errp) { int64_t msg; int n, ret; n = 0; do { ret = qemu_chr_fe_read_all(&s->server_chr, (uint8_t *)&msg + n, sizeof(msg) - n); if (ret < 0) { if (ret == -EINTR) { continue; } error_setg_errno(errp, -ret, "read from server failed"); return INT64_MIN; } n += ret; } while (n < sizeof(msg)); *pfd = qemu_chr_fe_get_msgfd(&s->server_chr); return msg; } | 2,362 |
1 | static USBDevice *usb_bt_init(USBBus *bus, const char *cmdline) { USBDevice *dev; struct USBBtState *s; HCIInfo *hci; const char *name = "usb-bt-dongle"; if (*cmdline) { hci = hci_init(cmdline); } else { hci = bt_new_hci(qemu_find_bt_vlan(0)); } if (!hci) return NULL; dev = usb_create(bus, name); s = DO_UPCAST(struct USBBtState, dev, dev); s->hci = hci; if (qdev_init(&dev->qdev) < 0) { error_report("Failed to initialize USB device '%s'", name); return NULL; } return dev; } | 2,363 |
0 | static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp) { AVCodecContext *dec; AVPicture *picture2; AVPicture picture_tmp; uint8_t *buf = 0; dec = ist->st->codec; /* deinterlace : must be done before any resize */ if (FF_API_DEINTERLACE && do_deinterlace) { int size; /* create temporary picture */ size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height); if (size < 0) return; buf = av_malloc(size); if (!buf) return; picture2 = &picture_tmp; avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height); if (avpicture_deinterlace(picture2, picture, dec->pix_fmt, dec->width, dec->height) < 0) { /* if error, do not deinterlace */ av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n"); av_free(buf); buf = NULL; picture2 = picture; } } else { picture2 = picture; } if (picture != picture2) *picture = *picture2; *bufp = buf; } | 2,364 |
0 | static int vc1_decode_p_mb_intfi(VC1Context *v) { MpegEncContext *s = &v->s; GetBitContext *gb = &s->gb; int i; int mb_pos = s->mb_x + s->mb_y * s->mb_stride; int cbp = 0; /* cbp decoding stuff */ int mqdiff, mquant; /* MB quantization */ int ttmb = v->ttfrm; /* MB Transform type */ int mb_has_coeffs = 1; /* last_flag */ int dmv_x, dmv_y; /* Differential MV components */ int val; /* temp values */ int first_block = 1; int dst_idx, off; int pred_flag = 0; int block_cbp = 0, pat, block_tt = 0; int idx_mbmode = 0; mquant = v->pq; /* Lossy initialization */ idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_IF_MBMODE_VLC_BITS, 2); if (idx_mbmode <= 1) { // intra MB v->is_intra[s->mb_x] = 0x3f; // Set the bitfield to all 1. s->mb_intra = 1; s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = 0; s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = 0; s->current_picture.mb_type[mb_pos + v->mb_off] = MB_TYPE_INTRA; GET_MQUANT(); s->current_picture.qscale_table[mb_pos] = mquant; /* Set DC scale - y and c use the same (not sure if necessary here) */ s->y_dc_scale = s->y_dc_scale_table[mquant]; s->c_dc_scale = s->c_dc_scale_table[mquant]; v->s.ac_pred = v->acpred_plane[mb_pos] = get_bits1(gb); mb_has_coeffs = idx_mbmode & 1; if (mb_has_coeffs) cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_ICBPCY_VLC_BITS, 2); dst_idx = 0; for (i = 0; i < 6; i++) { v->a_avail = v->c_avail = 0; v->mb_type[0][s->block_index[i]] = 1; s->dc_val[0][s->block_index[i]] = 0; dst_idx += i >> 2; val = ((cbp >> (5 - i)) & 1); if (i == 2 || i == 3 || !s->first_slice_line) v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]]; if (i == 1 || i == 3 || s->mb_x) v->c_avail = v->mb_type[0][s->block_index[i] - 1]; vc1_decode_intra_block(v, s->block[i], i, val, mquant, (i & 4) ? v->codingset2 : v->codingset); if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue; v->vc1dsp.vc1_inv_trans_8x8(s->block[i]); off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize); s->idsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i & 4) ? s->uvlinesize : s->linesize); // TODO: loop filter } } else { s->mb_intra = v->is_intra[s->mb_x] = 0; s->current_picture.mb_type[mb_pos + v->mb_off] = MB_TYPE_16x16; for (i = 0; i < 6; i++) v->mb_type[0][s->block_index[i]] = 0; if (idx_mbmode <= 5) { // 1-MV dmv_x = dmv_y = pred_flag = 0; if (idx_mbmode & 1) { get_mvdata_interlaced(v, &dmv_x, &dmv_y, &pred_flag); } ff_vc1_pred_mv(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], pred_flag, 0); ff_vc1_mc_1mv(v, 0); mb_has_coeffs = !(idx_mbmode & 2); } else { // 4-MV v->fourmvbp = get_vlc2(gb, v->fourmvbp_vlc->table, VC1_4MV_BLOCK_PATTERN_VLC_BITS, 1); for (i = 0; i < 6; i++) { if (i < 4) { dmv_x = dmv_y = pred_flag = 0; val = ((v->fourmvbp >> (3 - i)) & 1); if (val) { get_mvdata_interlaced(v, &dmv_x, &dmv_y, &pred_flag); } ff_vc1_pred_mv(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0], pred_flag, 0); ff_vc1_mc_4mv_luma(v, i, 0, 0); } else if (i == 4) ff_vc1_mc_4mv_chroma(v, 0); } mb_has_coeffs = idx_mbmode & 1; } if (mb_has_coeffs) cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); if (cbp) { GET_MQUANT(); } s->current_picture.qscale_table[mb_pos] = mquant; if (!v->ttmbf && cbp) { ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2); } dst_idx = 0; for (i = 0; i < 6; i++) { s->dc_val[0][s->block_index[i]] = 0; dst_idx += i >> 2; val = ((cbp >> (5 - i)) & 1); off = (i & 4) ? 0 : (i & 1) * 8 + (i & 2) * 4 * s->linesize; if (val) { pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i & 4) ? s->uvlinesize : s->linesize, (i & 4) && (s->flags & CODEC_FLAG_GRAY), &block_tt); block_cbp |= pat << (i << 2); if (!v->ttmbf && ttmb < 8) ttmb = -1; first_block = 0; } } } if (s->mb_x == s->mb_width - 1) memmove(v->is_intra_base, v->is_intra, sizeof(v->is_intra_base[0]) * s->mb_stride); return 0; } | 2,366 |
1 | static bool virtio_scsi_data_plane_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) { VirtIOSCSI *s = VIRTIO_SCSI(vdev); assert(s->ctx && s->dataplane_started); return virtio_scsi_handle_ctrl_vq(s, vq); } | 2,368 |
1 | static void start_tcg_kick_timer(void) { if (!tcg_kick_vcpu_timer && CPU_NEXT(first_cpu)) { tcg_kick_vcpu_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, kick_tcg_thread, NULL); timer_mod(tcg_kick_vcpu_timer, qemu_tcg_next_kick()); } } | 2,369 |
1 | static void rtc_periodic_timer(void *opaque) { RTCState *s = opaque; rtc_timer_update(s, s->next_periodic_time); #ifdef TARGET_I386 if ((s->cmos_data[RTC_REG_C] & 0xc0) && rtc_td_hack) { s->irq_coalesced++; return; } #endif if (s->cmos_data[RTC_REG_B] & REG_B_PIE) { s->cmos_data[RTC_REG_C] |= 0xc0; rtc_irq_raise(s->irq); } if (s->cmos_data[RTC_REG_B] & REG_B_SQWE) { /* Not square wave at all but we don't want 2048Hz interrupts! Must be seen as a pulse. */ qemu_irq_raise(s->sqw_irq); } } | 2,370 |
1 | void do_m68k_semihosting(CPUM68KState *env, int nr) { uint32_t args; void *p; void *q; uint32_t len; uint32_t result; args = env->dregs[1]; switch (nr) { case HOSTED_EXIT: gdb_exit(env, env->dregs[0]); exit(env->dregs[0]); case HOSTED_OPEN: if (use_gdb_syscalls()) { gdb_do_syscall(m68k_semi_cb, "open,%s,%x,%x", ARG(0), (int)ARG(1), ARG(2), ARG(3)); return; } else { if (!(p = lock_user_string(ARG(0)))) { /* FIXME - check error code? */ result = -1; } else { result = open(p, translate_openflags(ARG(2)), ARG(3)); unlock_user(p, ARG(0), 0); } } break; case HOSTED_CLOSE: { /* Ignore attempts to close stdin/out/err. */ int fd = ARG(0); if (fd > 2) { if (use_gdb_syscalls()) { gdb_do_syscall(m68k_semi_cb, "close,%x", ARG(0)); return; } else { result = close(fd); } } else { result = 0; } break; } case HOSTED_READ: len = ARG(2); if (use_gdb_syscalls()) { gdb_do_syscall(m68k_semi_cb, "read,%x,%x,%x", ARG(0), ARG(1), len); return; } else { if (!(p = lock_user(VERIFY_WRITE, ARG(1), len, 0))) { /* FIXME - check error code? */ result = -1; } else { result = read(ARG(0), p, len); unlock_user(p, ARG(1), len); } } break; case HOSTED_WRITE: len = ARG(2); if (use_gdb_syscalls()) { gdb_do_syscall(m68k_semi_cb, "write,%x,%x,%x", ARG(0), ARG(1), len); return; } else { if (!(p = lock_user(VERIFY_READ, ARG(1), len, 1))) { /* FIXME - check error code? */ result = -1; } else { result = write(ARG(0), p, len); unlock_user(p, ARG(0), 0); } } break; case HOSTED_LSEEK: { uint64_t off; off = (uint32_t)ARG(2) | ((uint64_t)ARG(1) << 32); if (use_gdb_syscalls()) { m68k_semi_is_fseek = 1; gdb_do_syscall(m68k_semi_cb, "fseek,%x,%lx,%x", ARG(0), off, ARG(3)); } else { off = lseek(ARG(0), off, ARG(3)); /* FIXME - handle put_user() failure */ put_user_u32(off >> 32, args); put_user_u32(off, args + 4); put_user_u32(errno, args + 8); } return; } case HOSTED_RENAME: if (use_gdb_syscalls()) { gdb_do_syscall(m68k_semi_cb, "rename,%s,%s", ARG(0), (int)ARG(1), ARG(2), (int)ARG(3)); return; } else { p = lock_user_string(ARG(0)); q = lock_user_string(ARG(2)); if (!p || !q) { /* FIXME - check error code? */ result = -1; } else { result = rename(p, q); } unlock_user(p, ARG(0), 0); unlock_user(q, ARG(2), 0); } break; case HOSTED_UNLINK: if (use_gdb_syscalls()) { gdb_do_syscall(m68k_semi_cb, "unlink,%s", ARG(0), (int)ARG(1)); return; } else { if (!(p = lock_user_string(ARG(0)))) { /* FIXME - check error code? */ result = -1; } else { result = unlink(p); unlock_user(p, ARG(0), 0); } } break; case HOSTED_STAT: if (use_gdb_syscalls()) { gdb_do_syscall(m68k_semi_cb, "stat,%s,%x", ARG(0), (int)ARG(1), ARG(2)); return; } else { struct stat s; if (!(p = lock_user_string(ARG(0)))) { /* FIXME - check error code? */ result = -1; } else { result = stat(p, &s); unlock_user(p, ARG(0), 0); } if (result == 0) { translate_stat(env, ARG(2), &s); } } break; case HOSTED_FSTAT: if (use_gdb_syscalls()) { gdb_do_syscall(m68k_semi_cb, "fstat,%x,%x", ARG(0), ARG(1)); return; } else { struct stat s; result = fstat(ARG(0), &s); if (result == 0) { translate_stat(env, ARG(1), &s); } } break; case HOSTED_GETTIMEOFDAY: if (use_gdb_syscalls()) { gdb_do_syscall(m68k_semi_cb, "gettimeofday,%x,%x", ARG(0), ARG(1)); return; } else { qemu_timeval tv; struct gdb_timeval *p; result = qemu_gettimeofday(&tv); if (result != 0) { if (!(p = lock_user(VERIFY_WRITE, ARG(0), sizeof(struct gdb_timeval), 0))) { /* FIXME - check error code? */ result = -1; } else { p->tv_sec = cpu_to_be32(tv.tv_sec); p->tv_usec = cpu_to_be64(tv.tv_usec); unlock_user(p, ARG(0), sizeof(struct gdb_timeval)); } } } break; case HOSTED_ISATTY: if (use_gdb_syscalls()) { gdb_do_syscall(m68k_semi_cb, "isatty,%x", ARG(0)); return; } else { result = isatty(ARG(0)); } break; case HOSTED_SYSTEM: if (use_gdb_syscalls()) { gdb_do_syscall(m68k_semi_cb, "system,%s", ARG(0), (int)ARG(1)); return; } else { if (!(p = lock_user_string(ARG(0)))) { /* FIXME - check error code? */ result = -1; } else { result = system(p); unlock_user(p, ARG(0), 0); } } break; case HOSTED_INIT_SIM: #if defined(CONFIG_USER_ONLY) { TaskState *ts = env->opaque; /* Allocate the heap using sbrk. */ if (!ts->heap_limit) { long ret; uint32_t size; uint32_t base; base = do_brk(0); size = SEMIHOSTING_HEAP_SIZE; /* Try a big heap, and reduce the size if that fails. */ for (;;) { ret = do_brk(base + size); if (ret != -1) break; size >>= 1; } ts->heap_limit = base + size; } /* This call may happen before we have writable memory, so return values directly in registers. */ env->dregs[1] = ts->heap_limit; env->aregs[7] = ts->stack_base; } #else /* FIXME: This is wrong for boards where RAM does not start at address zero. */ env->dregs[1] = ram_size; env->aregs[7] = ram_size; #endif return; default: cpu_abort(env, "Unsupported semihosting syscall %d\n", nr); result = 0; } /* FIXME - handle put_user() failure */ put_user_u32(result, args); put_user_u32(errno, args + 4); } | 2,371 |
1 | static uint8_t get_tlm(Jpeg2000DecoderContext *s, int n) { uint8_t Stlm, ST, SP, tile_tlm, i; bytestream_get_byte(&s->buf); /* Ztlm: skipped */ Stlm = bytestream_get_byte(&s->buf); // too complex ? ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02); ST = (Stlm >> 4) & 0x03; // TODO: Manage case of ST = 0b11 --> raise error SP = (Stlm >> 6) & 0x01; tile_tlm = (n - 4) / ((SP + 1) * 2 + ST); for (i = 0; i < tile_tlm; i++) { switch (ST) { case 0: break; case 1: bytestream_get_byte(&s->buf); break; case 2: bytestream_get_be16(&s->buf); break; case 3: bytestream_get_be32(&s->buf); break; } if (SP == 0) { bytestream_get_be16(&s->buf); } else { bytestream_get_be32(&s->buf); } } return 0; } | 2,372 |
1 | static int decode_seq_header(AVSContext *h) { MpegEncContext *s = &h->s; int frame_rate_code; int width, height; h->profile = get_bits(&s->gb,8); h->level = get_bits(&s->gb,8); skip_bits1(&s->gb); //progressive sequence width = get_bits(&s->gb,14); height = get_bits(&s->gb,14); if ((s->width || s->height) && (s->width != width || s->height != height)) { av_log_missing_feature(s, "Width/height changing in CAVS is", 0); return -1; s->width = width; s->height = height; skip_bits(&s->gb,2); //chroma format skip_bits(&s->gb,3); //sample_precision h->aspect_ratio = get_bits(&s->gb,4); frame_rate_code = get_bits(&s->gb,4); skip_bits(&s->gb,18);//bit_rate_lower skip_bits1(&s->gb); //marker_bit skip_bits(&s->gb,12);//bit_rate_upper s->low_delay = get_bits1(&s->gb); h->mb_width = (s->width + 15) >> 4; h->mb_height = (s->height + 15) >> 4; h->s.avctx->time_base.den = avpriv_frame_rate_tab[frame_rate_code].num; h->s.avctx->time_base.num = avpriv_frame_rate_tab[frame_rate_code].den; h->s.avctx->width = s->width; h->s.avctx->height = s->height; if(!h->top_qp) ff_cavs_init_top_lines(h); return 0; | 2,373 |
1 | static int qemu_chr_open_win_pipe(QemuOpts *opts, CharDriverState **_chr) { const char *filename = qemu_opt_get(opts, "path"); CharDriverState *chr; WinCharState *s; chr = g_malloc0(sizeof(CharDriverState)); s = g_malloc0(sizeof(WinCharState)); chr->opaque = s; chr->chr_write = win_chr_write; chr->chr_close = win_chr_close; if (win_chr_pipe_init(chr, filename) < 0) { g_free(s); g_free(chr); return -EIO; } qemu_chr_generic_open(chr); *_chr = chr; return 0; } | 2,374 |
1 | SnapshotInfo *qmp_blockdev_snapshot_delete_internal_sync(const char *device, bool has_id, const char *id, bool has_name, const char *name, Error **errp) { BlockDriverState *bs = bdrv_find(device); QEMUSnapshotInfo sn; Error *local_err = NULL; SnapshotInfo *info = NULL; int ret; if (!bs) { error_set(errp, QERR_DEVICE_NOT_FOUND, device); return NULL; } if (!has_id) { id = NULL; } if (!has_name) { name = NULL; } if (!id && !name) { error_setg(errp, "Name or id must be provided"); return NULL; } ret = bdrv_snapshot_find_by_id_and_name(bs, id, name, &sn, &local_err); if (local_err) { error_propagate(errp, local_err); return NULL; } if (!ret) { error_setg(errp, "Snapshot with id '%s' and name '%s' does not exist on " "device '%s'", STR_OR_NULL(id), STR_OR_NULL(name), device); return NULL; } bdrv_snapshot_delete(bs, id, name, &local_err); if (local_err) { error_propagate(errp, local_err); return NULL; } info = g_malloc0(sizeof(SnapshotInfo)); info->id = g_strdup(sn.id_str); info->name = g_strdup(sn.name); info->date_nsec = sn.date_nsec; info->date_sec = sn.date_sec; info->vm_state_size = sn.vm_state_size; info->vm_clock_nsec = sn.vm_clock_nsec % 1000000000; info->vm_clock_sec = sn.vm_clock_nsec / 1000000000; return info; } | 2,375 |
1 | static int proxy_socket(const char *path, uid_t uid, gid_t gid) { int sock, client; struct sockaddr_un proxy, qemu; socklen_t size; /* requested socket already exists, refuse to start */ if (!access(path, F_OK)) { do_log(LOG_CRIT, "socket already exists\n"); return -1; } sock = socket(AF_UNIX, SOCK_STREAM, 0); if (sock < 0) { do_perror("socket"); return -1; } /* mask other part of mode bits */ umask(7); proxy.sun_family = AF_UNIX; strcpy(proxy.sun_path, path); if (bind(sock, (struct sockaddr *)&proxy, sizeof(struct sockaddr_un)) < 0) { do_perror("bind"); goto error; } if (chown(proxy.sun_path, uid, gid) < 0) { do_perror("chown"); goto error; } if (listen(sock, 1) < 0) { do_perror("listen"); goto error; } size = sizeof(qemu); client = accept(sock, (struct sockaddr *)&qemu, &size); if (client < 0) { do_perror("accept"); goto error; } close(sock); return client; error: close(sock); return -1; } | 2,377 |
1 | void *qemu_ram_mmap(int fd, size_t size, size_t align, bool shared) { /* * Note: this always allocates at least one extra page of virtual address * space, even if size is already aligned. */ size_t total = size + align; void *ptr = mmap(0, total, PROT_NONE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); size_t offset = QEMU_ALIGN_UP((uintptr_t)ptr, align) - (uintptr_t)ptr; void *ptr1; if (ptr == MAP_FAILED) { return NULL; } /* Make sure align is a power of 2 */ assert(!(align & (align - 1))); /* Always align to host page size */ assert(align >= getpagesize()); ptr1 = mmap(ptr + offset, size, PROT_READ | PROT_WRITE, MAP_FIXED | (fd == -1 ? MAP_ANONYMOUS : 0) | (shared ? MAP_SHARED : MAP_PRIVATE), fd, 0); if (ptr1 == MAP_FAILED) { munmap(ptr, total); return NULL; } ptr += offset; total -= offset; if (offset > 0) { munmap(ptr - offset, offset); } /* * Leave a single PROT_NONE page allocated after the RAM block, to serve as * a guard page guarding against potential buffer overflows. */ if (total > size + getpagesize()) { munmap(ptr + size + getpagesize(), total - size - getpagesize()); } return ptr; } | 2,378 |
1 | start_list(Visitor *v, const char *name, Error **errp) { StringInputVisitor *siv = to_siv(v); parse_str(siv, errp); siv->cur_range = g_list_first(siv->ranges); if (siv->cur_range) { Range *r = siv->cur_range->data; if (r) { siv->cur = r->begin; } } } | 2,379 |
1 | void fw_cfg_add_i16(FWCfgState *s, uint16_t key, uint16_t value) { uint16_t *copy; copy = g_malloc(sizeof(value)); *copy = cpu_to_le16(value); fw_cfg_add_bytes(s, key, (uint8_t *)copy, sizeof(value)); } | 2,380 |
1 | void FUNC(ff_emulated_edge_mc)(uint8_t *buf, const uint8_t *src, ptrdiff_t linesize_arg, int block_w, int block_h, int src_x, int src_y, int w, int h) { int x, y; int start_y, start_x, end_y, end_x; emuedge_linesize_type linesize = linesize_arg; if (!w || !h) return; if (src_y >= h) { src -= src_y * linesize; src += (h - 1) * linesize; src_y = h - 1; } else if (src_y <= -block_h) { src -= src_y * linesize; src += (1 - block_h) * linesize; src_y = 1 - block_h; } if (src_x >= w) { src += (w - 1 - src_x) * sizeof(pixel); src_x = w - 1; } else if (src_x <= -block_w) { src += (1 - block_w - src_x) * sizeof(pixel); src_x = 1 - block_w; } start_y = FFMAX(0, -src_y); start_x = FFMAX(0, -src_x); end_y = FFMIN(block_h, h-src_y); end_x = FFMIN(block_w, w-src_x); av_assert2(start_y < end_y && block_h); av_assert2(start_x < end_x && block_w); w = end_x - start_x; src += start_y * linesize + start_x * sizeof(pixel); buf += start_x * sizeof(pixel); // top for (y = 0; y < start_y; y++) { memcpy(buf, src, w * sizeof(pixel)); buf += linesize; } // copy existing part for (; y < end_y; y++) { memcpy(buf, src, w * sizeof(pixel)); src += linesize; buf += linesize; } // bottom src -= linesize; for (; y < block_h; y++) { memcpy(buf, src, w * sizeof(pixel)); buf += linesize; } buf -= block_h * linesize + start_x * sizeof(pixel); while (block_h--) { pixel *bufp = (pixel *) buf; // left for(x = 0; x < start_x; x++) { bufp[x] = bufp[start_x]; } // right for (x = end_x; x < block_w; x++) { bufp[x] = bufp[end_x - 1]; } buf += linesize; } } | 2,381 |
0 | static int draw_glyphs(DrawTextContext *s, AVFrame *frame, int width, int height, const uint8_t rgbcolor[4], const uint8_t yuvcolor[4], int x, int y) { char *text = HAVE_LOCALTIME_R ? s->expanded_text : s->text; uint32_t code = 0; int i; uint8_t *p; Glyph *glyph = NULL; for (i = 0, p = text; *p; i++) { Glyph dummy = { 0 }; GET_UTF8(code, *p++, continue;); /* skip new line chars, just go to new line */ if (code == '\n' || code == '\r' || code == '\t') continue; dummy.code = code; glyph = av_tree_find(s->glyphs, &dummy, (void *)glyph_cmp, NULL); if (glyph->bitmap.pixel_mode != FT_PIXEL_MODE_MONO && glyph->bitmap.pixel_mode != FT_PIXEL_MODE_GRAY) return AVERROR(EINVAL); if (s->is_packed_rgb) { draw_glyph_rgb(frame, &glyph->bitmap, s->positions[i].x+x, s->positions[i].y+y, width, height, s->pixel_step[0], rgbcolor, s->rgba_map, s->alpha); } else { draw_glyph_yuv(frame, &glyph->bitmap, s->positions[i].x+x, s->positions[i].y+y, width, height, yuvcolor, s->hsub, s->vsub, s->alpha); } } return 0; } | 2,382 |
1 | static void test_lifecycle(void) { Coroutine *coroutine; bool done = false; /* Create, enter, and return from coroutine */ coroutine = qemu_coroutine_create(set_and_exit); qemu_coroutine_enter(coroutine, &done); g_assert(done); /* expect done to be true (first time) */ /* Repeat to check that no state affects this test */ done = false; coroutine = qemu_coroutine_create(set_and_exit); qemu_coroutine_enter(coroutine, &done); g_assert(done); /* expect done to be true (second time) */ } | 2,383 |
1 | static void decode_pitch_lag_low(int *lag_int, int *lag_frac, int pitch_index, uint8_t *base_lag_int, int subframe, enum Mode mode) { if (subframe == 0 || (subframe == 2 && mode != MODE_6k60)) { if (pitch_index < 116) { *lag_int = (pitch_index + 69) >> 1; *lag_frac = (pitch_index - (*lag_int << 1) + 68) << 1; } else { *lag_int = pitch_index - 24; *lag_frac = 0; } // XXX: same problem as before *base_lag_int = av_clip(*lag_int - 8 - (*lag_frac < 0), AMRWB_P_DELAY_MIN, AMRWB_P_DELAY_MAX - 15); } else { *lag_int = (pitch_index + 1) >> 1; *lag_frac = (pitch_index - (*lag_int << 1)) << 1; *lag_int += *base_lag_int; } } | 2,384 |
1 | void qpci_io_writel(QPCIDevice *dev, void *data, uint32_t value) { uintptr_t addr = (uintptr_t)data; if (addr < QPCI_PIO_LIMIT) { dev->bus->pio_writel(dev->bus, addr, value); } else { value = cpu_to_le32(value); dev->bus->memwrite(dev->bus, addr, &value, sizeof(value)); } } | 2,386 |
1 | void do_store_xer (void) { xer_so = (T0 >> XER_SO) & 0x01; xer_ov = (T0 >> XER_OV) & 0x01; xer_ca = (T0 >> XER_CA) & 0x01; xer_cmp = (T0 >> XER_CMP) & 0xFF; xer_bc = (T0 >> XER_BC) & 0x3F; } | 2,387 |
0 | int ffurl_open(URLContext **puc, const char *filename, int flags, const AVIOInterruptCB *int_cb, AVDictionary **options) { int ret = ffurl_alloc(puc, filename, flags, int_cb); if (ret < 0) return ret; if (options && (*puc)->prot->priv_data_class && (ret = av_opt_set_dict((*puc)->priv_data, options)) < 0) goto fail; if ((ret = av_opt_set_dict(*puc, options)) < 0) goto fail; ret = ffurl_connect(*puc, options); if (!ret) return 0; fail: ffurl_close(*puc); *puc = NULL; return ret; } | 2,388 |
0 | static int mpeg4_decode_video_packet_header(MpegEncContext *s) { int mb_num_bits= av_log2(s->mb_num - 1) + 1; int header_extension=0, mb_num, len; /* is there enough space left for a video packet + header */ if( get_bits_count(&s->gb) > s->gb.size*8-20) return -1; for(len=0; len<32; len++){ if(get_bits1(&s->gb)) break; } if(len!=ff_mpeg4_get_video_packet_prefix_length(s)){ printf("marker does not match f_code\n"); return -1; } if(s->shape != RECT_SHAPE){ header_extension= get_bits1(&s->gb); //FIXME more stuff here } mb_num= get_bits(&s->gb, mb_num_bits); if(mb_num>=s->mb_num){ fprintf(stderr, "illegal mb_num in video packet (%d %d) \n", mb_num, s->mb_num); return -1; } s->mb_x= mb_num % s->mb_width; s->mb_y= mb_num / s->mb_width; if(s->shape != BIN_ONLY_SHAPE){ int qscale= get_bits(&s->gb, s->quant_precision); if(qscale) s->qscale= qscale; } if(s->shape == RECT_SHAPE){ header_extension= get_bits1(&s->gb); } if(header_extension){ int time_increment; int time_incr=0; while (get_bits1(&s->gb) != 0) time_incr++; check_marker(&s->gb, "before time_increment in video packed header"); time_increment= get_bits(&s->gb, s->time_increment_bits); check_marker(&s->gb, "before vop_coding_type in video packed header"); skip_bits(&s->gb, 2); /* vop coding type */ //FIXME not rect stuff here if(s->shape != BIN_ONLY_SHAPE){ skip_bits(&s->gb, 3); /* intra dc vlc threshold */ //FIXME dont just ignore everything if(s->pict_type == S_TYPE && s->vol_sprite_usage==GMC_SPRITE){ mpeg4_decode_sprite_trajectory(s); fprintf(stderr, "untested\n"); } //FIXME reduced res stuff here if (s->pict_type != I_TYPE) { int f_code = get_bits(&s->gb, 3); /* fcode_for */ if(f_code==0){ printf("Error, video packet header damaged (f_code=0)\n"); } } if (s->pict_type == B_TYPE) { int b_code = get_bits(&s->gb, 3); if(b_code==0){ printf("Error, video packet header damaged (b_code=0)\n"); } } } } //FIXME new-pred stuff //printf("parse ok %d %d %d %d\n", mb_num, s->mb_x + s->mb_y*s->mb_width, get_bits_count(gb), get_bits_count(&s->gb)); return 0; } | 2,389 |
0 | int avfilter_link(AVFilterContext *src, unsigned srcpad, AVFilterContext *dst, unsigned dstpad) { AVFilterLink *link; if (src->nb_outputs <= srcpad || dst->nb_inputs <= dstpad || src->outputs[srcpad] || dst->inputs[dstpad]) return -1; if (src->output_pads[srcpad].type != dst->input_pads[dstpad].type) { av_log(src, AV_LOG_ERROR, "Media type mismatch between the '%s' filter output pad %d and the '%s' filter input pad %d\n", src->name, srcpad, dst->name, dstpad); return AVERROR(EINVAL); } src->outputs[srcpad] = dst-> inputs[dstpad] = link = av_mallocz(sizeof(AVFilterLink)); link->src = src; link->dst = dst; link->srcpad = &src->output_pads[srcpad]; link->dstpad = &dst->input_pads[dstpad]; link->type = src->output_pads[srcpad].type; assert(AV_PIX_FMT_NONE == -1 && AV_SAMPLE_FMT_NONE == -1); link->format = -1; return 0; } | 2,390 |
0 | static void usage(void) { printf("Escape an input string, adopting the av_get_token() escaping logic\n"); printf("usage: ffescape [OPTIONS]\n"); printf("\n" "Options:\n" "-e echo each input line on output\n" "-h print this help\n" "-i INFILE set INFILE as input file, stdin if omitted\n" "-l LEVEL set the number of escaping levels, 1 if omitted\n" "-m ESCAPE_MODE select escape mode between 'full', 'lazy', 'quote', default is 'lazy'\n" "-o OUTFILE set OUTFILE as output file, stdout if omitted\n" "-p PROMPT set output prompt, is '=> ' by default\n" "-s SPECIAL_CHARS set the list of special characters\n"); } | 2,391 |
0 | static inline void mpeg_motion(MpegEncContext *s, UINT8 *dest_y, UINT8 *dest_cb, UINT8 *dest_cr, int dest_offset, UINT8 **ref_picture, int src_offset, int field_based, op_pixels_func *pix_op, int motion_x, int motion_y, int h) { UINT8 *ptr; int dxy, offset, mx, my, src_x, src_y, height, linesize; if(s->quarter_sample) { motion_x>>=1; motion_y>>=1; } dxy = ((motion_y & 1) << 1) | (motion_x & 1); src_x = s->mb_x * 16 + (motion_x >> 1); src_y = s->mb_y * (16 >> field_based) + (motion_y >> 1); /* WARNING: do no forget half pels */ height = s->height >> field_based; src_x = clip(src_x, -16, s->width); if (src_x == s->width) dxy &= ~1; src_y = clip(src_y, -16, height); if (src_y == height) dxy &= ~2; linesize = s->linesize << field_based; ptr = ref_picture[0] + (src_y * linesize) + (src_x) + src_offset; dest_y += dest_offset; pix_op[dxy](dest_y, ptr, linesize, h); pix_op[dxy](dest_y + 8, ptr + 8, linesize, h); if (s->out_format == FMT_H263) { dxy = 0; if ((motion_x & 3) != 0) dxy |= 1; if ((motion_y & 3) != 0) dxy |= 2; mx = motion_x >> 2; my = motion_y >> 2; } else { mx = motion_x / 2; my = motion_y / 2; dxy = ((my & 1) << 1) | (mx & 1); mx >>= 1; my >>= 1; } src_x = s->mb_x * 8 + mx; src_y = s->mb_y * (8 >> field_based) + my; src_x = clip(src_x, -8, s->width >> 1); if (src_x == (s->width >> 1)) dxy &= ~1; src_y = clip(src_y, -8, height >> 1); if (src_y == (height >> 1)) dxy &= ~2; offset = (src_y * (linesize >> 1)) + src_x + (src_offset >> 1); ptr = ref_picture[1] + offset; pix_op[dxy](dest_cb + (dest_offset >> 1), ptr, linesize >> 1, h >> 1); ptr = ref_picture[2] + offset; pix_op[dxy](dest_cr + (dest_offset >> 1), ptr, linesize >> 1, h >> 1); } | 2,392 |
0 | av_cold void ff_audio_convert_init_x86(AudioConvert *ac) { int cpu_flags = av_get_cpu_flags(); if (EXTERNAL_MMX(cpu_flags)) { ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32, 0, 1, 8, "MMX", ff_conv_s32_to_s16_mmx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP, 6, 1, 4, "MMX", ff_conv_fltp_to_flt_6ch_mmx); } if (EXTERNAL_SSE(cpu_flags)) { ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP, 6, 1, 2, "SSE", ff_conv_fltp_to_s16_6ch_sse); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP, 2, 16, 8, "SSE", ff_conv_fltp_to_flt_2ch_sse); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_FLT, 2, 16, 4, "SSE", ff_conv_flt_to_fltp_2ch_sse); } if (EXTERNAL_SSE2(cpu_flags)) { if (!(cpu_flags & AV_CPU_FLAG_SSE2SLOW)) { ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32, 0, 16, 16, "SSE2", ff_conv_s32_to_s16_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P, 6, 16, 8, "SSE2", ff_conv_s16p_to_s16_6ch_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP, 6, 16, 4, "SSE2", ff_conv_fltp_to_s16_6ch_sse2); } else { ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P, 6, 1, 4, "SSE2SLOW", ff_conv_s16p_to_s16_6ch_sse2slow); } ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16, 0, 16, 8, "SSE2", ff_conv_s16_to_s32_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16, 0, 16, 8, "SSE2", ff_conv_s16_to_flt_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32, 0, 16, 8, "SSE2", ff_conv_s32_to_flt_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT, 0, 16, 16, "SSE2", ff_conv_flt_to_s16_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT, 0, 16, 16, "SSE2", ff_conv_flt_to_s32_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P, 2, 16, 16, "SSE2", ff_conv_s16p_to_s16_2ch_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16P, 2, 16, 8, "SSE2", ff_conv_s16p_to_flt_2ch_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16P, 6, 16, 4, "SSE2", ff_conv_s16p_to_flt_6ch_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP, 2, 16, 4, "SSE2", ff_conv_fltp_to_s16_2ch_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16, 2, 16, 8, "SSE2", ff_conv_s16_to_s16p_2ch_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16, 6, 16, 4, "SSE2", ff_conv_s16_to_s16p_6ch_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_S16, 2, 16, 8, "SSE2", ff_conv_s16_to_fltp_2ch_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_S16, 6, 16, 4, "SSE2", ff_conv_s16_to_fltp_6ch_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_FLT, 2, 16, 8, "SSE2", ff_conv_flt_to_s16p_2ch_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_FLT, 6, 16, 4, "SSE2", ff_conv_flt_to_s16p_6ch_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_FLT, 6, 16, 4, "SSE2", ff_conv_flt_to_fltp_6ch_sse2); } if (EXTERNAL_SSSE3(cpu_flags)) { ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16P, 6, 16, 4, "SSSE3", ff_conv_s16p_to_flt_6ch_ssse3); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP, 2, 16, 4, "SSSE3", ff_conv_fltp_to_s16_2ch_ssse3); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16, 2, 16, 8, "SSSE3", ff_conv_s16_to_s16p_2ch_ssse3); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16, 6, 16, 4, "SSSE3", ff_conv_s16_to_s16p_6ch_ssse3); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_S16, 6, 16, 4, "SSSE3", ff_conv_s16_to_fltp_6ch_ssse3); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_FLT, 6, 16, 4, "SSSE3", ff_conv_flt_to_s16p_6ch_ssse3); } if (EXTERNAL_SSE4(cpu_flags)) { ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16, 0, 16, 8, "SSE4", ff_conv_s16_to_flt_sse4); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP, 6, 16, 4, "SSE4", ff_conv_fltp_to_flt_6ch_sse4); } if (EXTERNAL_AVX(cpu_flags)) { ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32, 0, 32, 16, "AVX", ff_conv_s32_to_flt_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT, 0, 32, 32, "AVX", ff_conv_flt_to_s32_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P, 2, 16, 16, "AVX", ff_conv_s16p_to_s16_2ch_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P, 6, 16, 8, "AVX", ff_conv_s16p_to_s16_6ch_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16P, 2, 16, 8, "AVX", ff_conv_s16p_to_flt_2ch_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16P, 6, 16, 4, "AVX", ff_conv_s16p_to_flt_6ch_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP, 6, 16, 4, "AVX", ff_conv_fltp_to_s16_6ch_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP, 6, 16, 4, "AVX", ff_conv_fltp_to_flt_6ch_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16, 2, 16, 8, "AVX", ff_conv_s16_to_s16p_2ch_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16, 6, 16, 4, "AVX", ff_conv_s16_to_s16p_6ch_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_S16, 2, 16, 8, "AVX", ff_conv_s16_to_fltp_2ch_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_S16, 6, 16, 4, "AVX", ff_conv_s16_to_fltp_6ch_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_FLT, 2, 16, 8, "AVX", ff_conv_flt_to_s16p_2ch_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_FLT, 6, 16, 4, "AVX", ff_conv_flt_to_s16p_6ch_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_FLT, 2, 16, 4, "AVX", ff_conv_flt_to_fltp_2ch_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_FLT, 6, 16, 4, "AVX", ff_conv_flt_to_fltp_6ch_avx); } } | 2,393 |
1 | static void virtio_pci_config_write(void *opaque, hwaddr addr, uint64_t val, unsigned size) { VirtIOPCIProxy *proxy = opaque; uint32_t config = VIRTIO_PCI_CONFIG(&proxy->pci_dev); VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus); if (addr < config) { virtio_ioport_write(proxy, addr, val); return; } addr -= config; /* * Virtio-PCI is odd. Ioports are LE but config space is target native * endian. */ switch (size) { case 1: virtio_config_writeb(vdev, addr, val); break; case 2: if (virtio_is_big_endian()) { val = bswap16(val); } virtio_config_writew(vdev, addr, val); break; case 4: if (virtio_is_big_endian()) { val = bswap32(val); } virtio_config_writel(vdev, addr, val); break; } } | 2,394 |
1 | void *qpci_iomap(QPCIDevice *dev, int barno, uint64_t *sizeptr) { QPCIBus *bus = dev->bus; static const int bar_reg_map[] = { PCI_BASE_ADDRESS_0, PCI_BASE_ADDRESS_1, PCI_BASE_ADDRESS_2, PCI_BASE_ADDRESS_3, PCI_BASE_ADDRESS_4, PCI_BASE_ADDRESS_5, }; int bar_reg; uint32_t addr, size; uint32_t io_type; uint64_t loc; g_assert(barno >= 0 && barno <= 5); bar_reg = bar_reg_map[barno]; qpci_config_writel(dev, bar_reg, 0xFFFFFFFF); addr = qpci_config_readl(dev, bar_reg); io_type = addr & PCI_BASE_ADDRESS_SPACE; if (io_type == PCI_BASE_ADDRESS_SPACE_IO) { addr &= PCI_BASE_ADDRESS_IO_MASK; } else { addr &= PCI_BASE_ADDRESS_MEM_MASK; } g_assert(addr); /* Must have *some* size bits */ size = 1U << ctz32(addr); if (sizeptr) { *sizeptr = size; } if (io_type == PCI_BASE_ADDRESS_SPACE_IO) { loc = QEMU_ALIGN_UP(bus->pio_alloc_ptr, size); g_assert(loc >= bus->pio_alloc_ptr); g_assert(loc + size <= QPCI_PIO_LIMIT); /* Keep PIO below 64kiB */ bus->pio_alloc_ptr = loc + size; qpci_config_writel(dev, bar_reg, loc | PCI_BASE_ADDRESS_SPACE_IO); } else { loc = QEMU_ALIGN_UP(bus->mmio_alloc_ptr, size); /* Check for space */ g_assert(loc >= bus->mmio_alloc_ptr); g_assert(loc + size <= bus->mmio_limit); bus->mmio_alloc_ptr = loc + size; qpci_config_writel(dev, bar_reg, loc); } return (void *)(uintptr_t)loc; } | 2,396 |
1 | int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near, int point_transform, int ilv) { int i, t = 0; uint8_t *zero, *last, *cur; JLSState *state; int off = 0, stride = 1, width, shift, ret = 0; zero = av_mallocz(s->picture_ptr->linesize[0]); if (!zero) return AVERROR(ENOMEM); last = zero; cur = s->picture_ptr->data[0]; state = av_mallocz(sizeof(JLSState)); if (!state) { av_free(zero); return AVERROR(ENOMEM); /* initialize JPEG-LS state from JPEG parameters */ state->near = near; state->bpp = (s->bits < 2) ? 2 : s->bits; state->maxval = s->maxval; state->T1 = s->t1; state->T2 = s->t2; state->T3 = s->t3; state->reset = s->reset; ff_jpegls_reset_coding_parameters(state, 0); ff_jpegls_init_state(state); if (s->bits <= 8) shift = point_transform + (8 - s->bits); else shift = point_transform + (16 - s->bits); if (s->avctx->debug & FF_DEBUG_PICT_INFO) { av_log(s->avctx, AV_LOG_DEBUG, "JPEG-LS params: %ix%i NEAR=%i MV=%i T(%i,%i,%i) " "RESET=%i, LIMIT=%i, qbpp=%i, RANGE=%i\n", s->width, s->height, state->near, state->maxval, state->T1, state->T2, state->T3, state->reset, state->limit, state->qbpp, state->range); av_log(s->avctx, AV_LOG_DEBUG, "JPEG params: ILV=%i Pt=%i BPP=%i, scan = %i\n", ilv, point_transform, s->bits, s->cur_scan); if (ilv == 0) { /* separate planes */ if (s->cur_scan > s->nb_components) { stride = (s->nb_components > 1) ? 3 : 1; off = av_clip(s->cur_scan - 1, 0, stride - 1); width = s->width * stride; cur += off; for (i = 0; i < s->height; i++) { if (s->bits <= 8) { ls_decode_line(state, s, last, cur, t, width, stride, off, 8); t = last[0]; } else { ls_decode_line(state, s, last, cur, t, width, stride, off, 16); t = *((uint16_t *)last); last = cur; cur += s->picture_ptr->linesize[0]; if (s->restart_interval && !--s->restart_count) { align_get_bits(&s->gb); skip_bits(&s->gb, 16); /* skip RSTn */ } else if (ilv == 1) { /* line interleaving */ int j; int Rc[3] = { 0, 0, 0 }; stride = (s->nb_components > 1) ? 3 : 1; memset(cur, 0, s->picture_ptr->linesize[0]); width = s->width * stride; for (i = 0; i < s->height; i++) { for (j = 0; j < stride; j++) { ls_decode_line(state, s, last + j, cur + j, Rc[j], width, stride, j, 8); Rc[j] = last[j]; if (s->restart_interval && !--s->restart_count) { align_get_bits(&s->gb); skip_bits(&s->gb, 16); /* skip RSTn */ last = cur; cur += s->picture_ptr->linesize[0]; } else if (ilv == 2) { /* sample interleaving */ avpriv_report_missing_feature(s->avctx, "Sample interleaved images"); ret = AVERROR_PATCHWELCOME; if (s->xfrm && s->nb_components == 3) { int x, w; w = s->width * s->nb_components; if (s->bits <= 8) { uint8_t *src = s->picture_ptr->data[0]; for (i = 0; i < s->height; i++) { switch(s->xfrm) { case 1: for (x = off; x < w; x += 3) { src[x ] += src[x+1] + 128; src[x+2] += src[x+1] + 128; break; case 2: for (x = off; x < w; x += 3) { src[x ] += src[x+1] + 128; src[x+2] += ((src[x ] + src[x+1])>>1) + 128; break; case 3: for (x = off; x < w; x += 3) { int g = src[x+0] - ((src[x+2]+src[x+1])>>2) + 64; src[x+0] = src[x+2] + g + 128; src[x+2] = src[x+1] + g + 128; src[x+1] = g; break; case 4: for (x = off; x < w; x += 3) { int r = src[x+0] - (( 359 * (src[x+2]-128) + 490) >> 8); int g = src[x+0] - (( 88 * (src[x+1]-128) - 183 * (src[x+2]-128) + 30) >> 8); int b = src[x+0] + ((454 * (src[x+1]-128) + 574) >> 8); src[x+0] = av_clip_uint8(r); src[x+1] = av_clip_uint8(g); src[x+2] = av_clip_uint8(b); break; src += s->picture_ptr->linesize[0]; }else avpriv_report_missing_feature(s->avctx, "16bit xfrm"); if (shift) { /* we need to do point transform or normalize samples */ int x, w; w = s->width * s->nb_components; if (s->bits <= 8) { uint8_t *src = s->picture_ptr->data[0]; for (i = 0; i < s->height; i++) { for (x = off; x < w; x += stride) src[x] <<= shift; src += s->picture_ptr->linesize[0]; } else { uint16_t *src = (uint16_t *)s->picture_ptr->data[0]; for (i = 0; i < s->height; i++) { for (x = 0; x < w; x++) src[x] <<= shift; src += s->picture_ptr->linesize[0] / 2; end: av_free(state); av_free(zero); return ret; | 2,397 |
1 | void FUNCC(ff_h264_chroma_dc_dequant_idct)(int16_t *_block, int qmul){ const int stride= 16*2; const int xStride= 16; int a,b,c,d,e; dctcoef *block = (dctcoef*)_block; a= block[stride*0 + xStride*0]; b= block[stride*0 + xStride*1]; c= block[stride*1 + xStride*0]; d= block[stride*1 + xStride*1]; e= a-b; a= a+b; b= c-d; c= c+d; block[stride*0 + xStride*0]= ((a+c)*qmul) >> 7; block[stride*0 + xStride*1]= ((e+b)*qmul) >> 7; block[stride*1 + xStride*0]= ((a-c)*qmul) >> 7; block[stride*1 + xStride*1]= ((e-b)*qmul) >> 7; } | 2,398 |
1 | static inline int mpeg2_decode_block_intra(MpegEncContext *s, int16_t *block, int n) { int level, dc, diff, i, j, run; int component; RLTable *rl; uint8_t *const scantable = s->intra_scantable.permutated; const uint16_t *quant_matrix; const int qscale = s->qscale; int mismatch; /* DC coefficient */ if (n < 4) { quant_matrix = s->intra_matrix; component = 0; } else { quant_matrix = s->chroma_intra_matrix; component = (n & 1) + 1; } diff = decode_dc(&s->gb, component); if (diff >= 0xffff) return AVERROR_INVALIDDATA; dc = s->last_dc[component]; dc += diff; s->last_dc[component] = dc; block[0] = dc << (3 - s->intra_dc_precision); ff_tlog(s->avctx, "dc=%d\n", block[0]); mismatch = block[0] ^ 1; i = 0; if (s->intra_vlc_format) rl = &ff_rl_mpeg2; else rl = &ff_rl_mpeg1; { OPEN_READER(re, &s->gb); /* now quantify & encode AC coefficients */ for (;;) { UPDATE_CACHE(re, &s->gb); GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0); if (level == 127) { break; } else if (level != 0) { i += run; if (i > MAX_INDEX) break; j = scantable[i]; level = (level * qscale * quant_matrix[j]) >> 4; level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1); LAST_SKIP_BITS(re, &s->gb, 1); } else { /* escape */ run = SHOW_UBITS(re, &s->gb, 6) + 1; LAST_SKIP_BITS(re, &s->gb, 6); UPDATE_CACHE(re, &s->gb); level = SHOW_SBITS(re, &s->gb, 12); SKIP_BITS(re, &s->gb, 12); i += run; if (i > MAX_INDEX) break; j = scantable[i]; if (level < 0) { level = (-level * qscale * quant_matrix[j]) >> 4; level = -level; } else { level = (level * qscale * quant_matrix[j]) >> 4; } } mismatch ^= level; block[j] = level; } CLOSE_READER(re, &s->gb); } block[63] ^= mismatch & 1; check_scantable_index(s, i); s->block_last_index[n] = i; return 0; } | 2,401 |
1 | static void vc1_draw_sprites(VC1Context *v, SpriteData* sd) { int i, plane, row, sprite; int sr_cache[2][2] = { { -1, -1 }, { -1, -1 } }; uint8_t* src_h[2][2]; int xoff[2], xadv[2], yoff[2], yadv[2], alpha; int ysub[2]; MpegEncContext *s = &v->s; for (i = 0; i < 2; i++) { xoff[i] = av_clip(sd->coefs[i][2], 0, v->sprite_width-1 << 16); xadv[i] = sd->coefs[i][0]; if (xadv[i] != 1<<16 || (v->sprite_width << 16) - (v->output_width << 16) - xoff[i]) xadv[i] = av_clip(xadv[i], 0, ((v->sprite_width<<16) - xoff[i] - 1) / v->output_width); yoff[i] = av_clip(sd->coefs[i][5], 0, v->sprite_height-1 << 16); yadv[i] = av_clip(sd->coefs[i][4], 0, ((v->sprite_height << 16) - yoff[i]) / v->output_height); } alpha = av_clip(sd->coefs[1][6], 0, (1<<16) - 1); for (plane = 0; plane < (s->flags&CODEC_FLAG_GRAY ? 1 : 3); plane++) { int width = v->output_width>>!!plane; for (row = 0; row < v->output_height>>!!plane; row++) { uint8_t *dst = v->sprite_output_frame.data[plane] + v->sprite_output_frame.linesize[plane] * row; for (sprite = 0; sprite <= v->two_sprites; sprite++) { uint8_t *iplane = s->current_picture.f.data[plane]; int iline = s->current_picture.f.linesize[plane]; int ycoord = yoff[sprite] + yadv[sprite] * row; int yline = ycoord >> 16; ysub[sprite] = ycoord & 0xFFFF; if (sprite) { iplane = s->last_picture.f.data[plane]; iline = s->last_picture.f.linesize[plane]; } if (!(xoff[sprite] & 0xFFFF) && xadv[sprite] == 1 << 16) { src_h[sprite][0] = iplane + (xoff[sprite] >> 16) + yline * iline; if (ysub[sprite]) src_h[sprite][1] = iplane + (xoff[sprite] >> 16) + (yline + 1) * iline; } else { if (sr_cache[sprite][0] != yline) { if (sr_cache[sprite][1] == yline) { FFSWAP(uint8_t*, v->sr_rows[sprite][0], v->sr_rows[sprite][1]); FFSWAP(int, sr_cache[sprite][0], sr_cache[sprite][1]); } else { v->vc1dsp.sprite_h(v->sr_rows[sprite][0], iplane + yline * iline, xoff[sprite], xadv[sprite], width); sr_cache[sprite][0] = yline; } } if (ysub[sprite] && sr_cache[sprite][1] != yline + 1) { v->vc1dsp.sprite_h(v->sr_rows[sprite][1], iplane + (yline + 1) * iline, xoff[sprite], xadv[sprite], width); sr_cache[sprite][1] = yline + 1; } src_h[sprite][0] = v->sr_rows[sprite][0]; src_h[sprite][1] = v->sr_rows[sprite][1]; } } if (!v->two_sprites) { if (ysub[0]) { v->vc1dsp.sprite_v_single(dst, src_h[0][0], src_h[0][1], ysub[0], width); } else { memcpy(dst, src_h[0][0], width); } } else { if (ysub[0] && ysub[1]) { v->vc1dsp.sprite_v_double_twoscale(dst, src_h[0][0], src_h[0][1], ysub[0], src_h[1][0], src_h[1][1], ysub[1], alpha, width); } else if (ysub[0]) { v->vc1dsp.sprite_v_double_onescale(dst, src_h[0][0], src_h[0][1], ysub[0], src_h[1][0], alpha, width); } else if (ysub[1]) { v->vc1dsp.sprite_v_double_onescale(dst, src_h[1][0], src_h[1][1], ysub[1], src_h[0][0], (1<<16)-1-alpha, width); } else { v->vc1dsp.sprite_v_double_noscale(dst, src_h[0][0], src_h[1][0], alpha, width); } } } if (!plane) { for (i = 0; i < 2; i++) { xoff[i] >>= 1; yoff[i] >>= 1; } } } } | 2,402 |
1 | static int vhdx_log_flush(BlockDriverState *bs, BDRVVHDXState *s, VHDXLogSequence *logs) { int ret = 0; int i; uint32_t cnt, sectors_read; uint64_t new_file_size; void *data = NULL; VHDXLogDescEntries *desc_entries = NULL; VHDXLogEntryHeader hdr_tmp = { 0 }; cnt = logs->count; data = qemu_blockalign(bs, VHDX_LOG_SECTOR_SIZE); ret = vhdx_user_visible_write(bs, s); if (ret < 0) { goto exit; } /* each iteration represents one log sequence, which may span multiple * sectors */ while (cnt--) { ret = vhdx_log_peek_hdr(bs, &logs->log, &hdr_tmp); if (ret < 0) { goto exit; } /* if the log shows a FlushedFileOffset larger than our current file * size, then that means the file has been truncated / corrupted, and * we must refused to open it / use it */ if (hdr_tmp.flushed_file_offset > bdrv_getlength(bs->file->bs)) { ret = -EINVAL; goto exit; } ret = vhdx_log_read_desc(bs, s, &logs->log, &desc_entries, true); if (ret < 0) { goto exit; } for (i = 0; i < desc_entries->hdr.descriptor_count; i++) { if (desc_entries->desc[i].signature == VHDX_LOG_DESC_SIGNATURE) { /* data sector, so read a sector to flush */ ret = vhdx_log_read_sectors(bs, &logs->log, §ors_read, data, 1, false); if (ret < 0) { goto exit; } if (sectors_read != 1) { ret = -EINVAL; goto exit; } vhdx_log_data_le_import(data); } ret = vhdx_log_flush_desc(bs, &desc_entries->desc[i], data); if (ret < 0) { goto exit; } } if (bdrv_getlength(bs->file->bs) < desc_entries->hdr.last_file_offset) { new_file_size = desc_entries->hdr.last_file_offset; if (new_file_size % (1024*1024)) { /* round up to nearest 1MB boundary */ new_file_size = ((new_file_size >> 20) + 1) << 20; bdrv_truncate(bs->file, new_file_size, PREALLOC_MODE_OFF, NULL); } } qemu_vfree(desc_entries); desc_entries = NULL; } bdrv_flush(bs); /* once the log is fully flushed, indicate that we have an empty log * now. This also sets the log guid to 0, to indicate an empty log */ vhdx_log_reset(bs, s); exit: qemu_vfree(data); qemu_vfree(desc_entries); return ret; } | 2,403 |
1 | static void unterminated_array(void) { QObject *obj = qobject_from_json("[32", NULL); g_assert(obj == NULL); } | 2,404 |
1 | static av_cold int xan_decode_init(AVCodecContext *avctx) { XanContext *s = avctx->priv_data; s->avctx = avctx; s->frame_size = 0; if ((avctx->codec->id == CODEC_ID_XAN_WC3) && (s->avctx->palctrl == NULL)) { av_log(avctx, AV_LOG_ERROR, "palette expected\n"); return AVERROR(EINVAL); } avctx->pix_fmt = PIX_FMT_PAL8; s->buffer1_size = avctx->width * avctx->height; s->buffer1 = av_malloc(s->buffer1_size); if (!s->buffer1) return AVERROR(ENOMEM); s->buffer2_size = avctx->width * avctx->height; s->buffer2 = av_malloc(s->buffer2_size + 130); if (!s->buffer2) { av_freep(&s->buffer1); return AVERROR(ENOMEM); } return 0; } | 2,405 |
1 | static void init_uni_ac_vlc(RLTable *rl, uint8_t *uni_ac_vlc_len){ int i; for(i=0; i<128; i++){ int level= i-64; int run; for(run=0; run<64; run++){ int len, bits, code; int alevel= FFABS(level); int sign= (level>>31)&1; if (alevel > rl->max_level[0][run]) code= 111; /*rl->n*/ else code= rl->index_run[0][run] + alevel - 1; if (code < 111 /* rl->n */) { /* store the vlc & sign at once */ len= rl->table_vlc[code][1]+1; bits= (rl->table_vlc[code][0]<<1) + sign; } else { len= rl->table_vlc[111/*rl->n*/][1]+6; bits= rl->table_vlc[111/*rl->n*/][0]<<6; bits|= run; if (alevel < 128) { bits<<=8; len+=8; bits|= level & 0xff; } else { bits<<=16; len+=16; bits|= level & 0xff; if (level < 0) { bits|= 0x8001 + level + 255; } else { bits|= level & 0xffff; } } } uni_ac_vlc_len [UNI_AC_ENC_INDEX(run, i)]= len; } } } | 2,406 |
1 | int virtqueue_pop(VirtQueue *vq, VirtQueueElement *elem) { unsigned int i, head, max; target_phys_addr_t desc_pa = vq->vring.desc; if (!virtqueue_num_heads(vq, vq->last_avail_idx)) return 0; /* When we start there are none of either input nor output. */ elem->out_num = elem->in_num = 0; max = vq->vring.num; i = head = virtqueue_get_head(vq, vq->last_avail_idx++); if (vq->vdev->guest_features & (1 << VIRTIO_RING_F_EVENT_IDX)) { vring_avail_event(vq, vring_avail_idx(vq)); if (vring_desc_flags(desc_pa, i) & VRING_DESC_F_INDIRECT) { if (vring_desc_len(desc_pa, i) % sizeof(VRingDesc)) { error_report("Invalid size for indirect buffer table"); /* loop over the indirect descriptor table */ max = vring_desc_len(desc_pa, i) / sizeof(VRingDesc); desc_pa = vring_desc_addr(desc_pa, i); i = 0; /* Collect all the descriptors */ do { struct iovec *sg; if (vring_desc_flags(desc_pa, i) & VRING_DESC_F_WRITE) { elem->in_addr[elem->in_num] = vring_desc_addr(desc_pa, i); sg = &elem->in_sg[elem->in_num++]; } else { elem->out_addr[elem->out_num] = vring_desc_addr(desc_pa, i); sg = &elem->out_sg[elem->out_num++]; sg->iov_len = vring_desc_len(desc_pa, i); /* If we've got too many, that implies a descriptor loop. */ if ((elem->in_num + elem->out_num) > max) { error_report("Looped descriptor"); } while ((i = virtqueue_next_desc(desc_pa, i, max)) != max); /* Now map what we have collected */ virtqueue_map_sg(elem->in_sg, elem->in_addr, elem->in_num, 1); virtqueue_map_sg(elem->out_sg, elem->out_addr, elem->out_num, 0); elem->index = head; vq->inuse++; trace_virtqueue_pop(vq, elem, elem->in_num, elem->out_num); return elem->in_num + elem->out_num; | 2,407 |
1 | void qemu_ram_remap(ram_addr_t addr, ram_addr_t length) { RAMBlock *block; ram_addr_t offset; int flags; void *area, *vaddr; QLIST_FOREACH(block, &ram_list.blocks, next) { offset = addr - block->offset; if (offset < block->length) { vaddr = block->host + offset; if (block->flags & RAM_PREALLOC_MASK) { ; } else { flags = MAP_FIXED; munmap(vaddr, length); if (mem_path) { #if defined(__linux__) && !defined(TARGET_S390X) if (block->fd) { #ifdef MAP_POPULATE flags |= mem_prealloc ? MAP_POPULATE | MAP_SHARED : MAP_PRIVATE; flags |= MAP_PRIVATE; #endif area = mmap(vaddr, length, PROT_READ | PROT_WRITE, flags, block->fd, offset); } else { flags |= MAP_PRIVATE | MAP_ANONYMOUS; area = mmap(vaddr, length, PROT_READ | PROT_WRITE, flags, -1, 0); } #endif } else { #if defined(TARGET_S390X) && defined(CONFIG_KVM) flags |= MAP_SHARED | MAP_ANONYMOUS; area = mmap(vaddr, length, PROT_EXEC|PROT_READ|PROT_WRITE, flags, -1, 0); flags |= MAP_PRIVATE | MAP_ANONYMOUS; area = mmap(vaddr, length, PROT_READ | PROT_WRITE, flags, -1, 0); #endif } if (area != vaddr) { fprintf(stderr, "Could not remap addr: %lx@%lx\n", length, addr); exit(1); } qemu_madvise(vaddr, length, QEMU_MADV_MERGEABLE); } return; } } } | 2,408 |
1 | static void pnv_chip_power8_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); PnvChipClass *k = PNV_CHIP_CLASS(klass); k->cpu_model = "POWER8"; k->chip_type = PNV_CHIP_POWER8; k->chip_cfam_id = 0x220ea04980000000ull; /* P8 Venice DD2.0 */ k->cores_mask = POWER8_CORE_MASK; k->core_pir = pnv_chip_core_pir_p8; dc->desc = "PowerNV Chip POWER8"; } | 2,409 |
1 | static void multiwrite_user_cb(MultiwriteCB *mcb) { int i; for (i = 0; i < mcb->num_callbacks; i++) { mcb->callbacks[i].cb(mcb->callbacks[i].opaque, mcb->error); qemu_free(mcb->callbacks[i].free_qiov); qemu_free(mcb->callbacks[i].free_buf); } } | 2,410 |
1 | static void pflash_cfi02_realize(DeviceState *dev, Error **errp) { pflash_t *pfl = CFI_PFLASH02(dev); uint32_t chip_len; int ret; Error *local_err = NULL; chip_len = pfl->sector_len * pfl->nb_blocs; /* XXX: to be fixed */ #if 0 if (total_len != (8 * 1024 * 1024) && total_len != (16 * 1024 * 1024) && total_len != (32 * 1024 * 1024) && total_len != (64 * 1024 * 1024)) return NULL; #endif memory_region_init_rom_device(&pfl->orig_mem, OBJECT(pfl), pfl->be ? &pflash_cfi02_ops_be : &pflash_cfi02_ops_le, pfl, pfl->name, chip_len, &local_err); if (local_err) { error_propagate(errp, local_err); vmstate_register_ram(&pfl->orig_mem, DEVICE(pfl)); pfl->storage = memory_region_get_ram_ptr(&pfl->orig_mem); pfl->chip_len = chip_len; if (pfl->blk) { /* read the initial flash content */ ret = blk_pread(pfl->blk, 0, pfl->storage, chip_len); if (ret < 0) { vmstate_unregister_ram(&pfl->orig_mem, DEVICE(pfl)); error_setg(errp, "failed to read the initial flash content"); pflash_setup_mappings(pfl); pfl->rom_mode = 1; sysbus_init_mmio(SYS_BUS_DEVICE(dev), &pfl->mem); if (pfl->blk) { pfl->ro = blk_is_read_only(pfl->blk); } else { pfl->ro = 0; pfl->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, pflash_timer, pfl); pfl->wcycle = 0; pfl->cmd = 0; pfl->status = 0; /* Hardcoded CFI table (mostly from SG29 Spansion flash) */ pfl->cfi_len = 0x52; /* Standard "QRY" string */ pfl->cfi_table[0x10] = 'Q'; pfl->cfi_table[0x11] = 'R'; pfl->cfi_table[0x12] = 'Y'; /* Command set (AMD/Fujitsu) */ pfl->cfi_table[0x13] = 0x02; pfl->cfi_table[0x14] = 0x00; /* Primary extended table address */ pfl->cfi_table[0x15] = 0x31; pfl->cfi_table[0x16] = 0x00; /* Alternate command set (none) */ pfl->cfi_table[0x17] = 0x00; pfl->cfi_table[0x18] = 0x00; /* Alternate extended table (none) */ pfl->cfi_table[0x19] = 0x00; pfl->cfi_table[0x1A] = 0x00; /* Vcc min */ pfl->cfi_table[0x1B] = 0x27; /* Vcc max */ pfl->cfi_table[0x1C] = 0x36; /* Vpp min (no Vpp pin) */ pfl->cfi_table[0x1D] = 0x00; /* Vpp max (no Vpp pin) */ pfl->cfi_table[0x1E] = 0x00; /* Reserved */ pfl->cfi_table[0x1F] = 0x07; /* Timeout for min size buffer write (NA) */ pfl->cfi_table[0x20] = 0x00; /* Typical timeout for block erase (512 ms) */ pfl->cfi_table[0x21] = 0x09; /* Typical timeout for full chip erase (4096 ms) */ pfl->cfi_table[0x22] = 0x0C; /* Reserved */ pfl->cfi_table[0x23] = 0x01; /* Max timeout for buffer write (NA) */ pfl->cfi_table[0x24] = 0x00; /* Max timeout for block erase */ pfl->cfi_table[0x25] = 0x0A; /* Max timeout for chip erase */ pfl->cfi_table[0x26] = 0x0D; /* Device size */ pfl->cfi_table[0x27] = ctz32(chip_len); /* Flash device interface (8 & 16 bits) */ pfl->cfi_table[0x28] = 0x02; pfl->cfi_table[0x29] = 0x00; /* Max number of bytes in multi-bytes write */ /* XXX: disable buffered write as it's not supported */ // pfl->cfi_table[0x2A] = 0x05; pfl->cfi_table[0x2A] = 0x00; pfl->cfi_table[0x2B] = 0x00; /* Number of erase block regions (uniform) */ pfl->cfi_table[0x2C] = 0x01; /* Erase block region 1 */ pfl->cfi_table[0x2D] = pfl->nb_blocs - 1; pfl->cfi_table[0x2E] = (pfl->nb_blocs - 1) >> 8; pfl->cfi_table[0x2F] = pfl->sector_len >> 8; pfl->cfi_table[0x30] = pfl->sector_len >> 16; /* Extended */ pfl->cfi_table[0x31] = 'P'; pfl->cfi_table[0x32] = 'R'; pfl->cfi_table[0x33] = 'I'; pfl->cfi_table[0x34] = '1'; pfl->cfi_table[0x35] = '0'; pfl->cfi_table[0x36] = 0x00; pfl->cfi_table[0x37] = 0x00; pfl->cfi_table[0x38] = 0x00; pfl->cfi_table[0x39] = 0x00; pfl->cfi_table[0x3a] = 0x00; pfl->cfi_table[0x3b] = 0x00; pfl->cfi_table[0x3c] = 0x00; | 2,412 |
1 | float ff_rate_estimate_qscale(MpegEncContext *s, int dry_run) { float q; int qmin, qmax; float br_compensation; double diff; double short_term_q; double fps; int picture_number = s->picture_number; int64_t wanted_bits; RateControlContext *rcc = &s->rc_context; AVCodecContext *a = s->avctx; RateControlEntry local_rce, *rce; double bits; double rate_factor; int var; const int pict_type = s->pict_type; Picture * const pic = &s->current_picture; emms_c(); #if CONFIG_LIBXVID if ((s->flags & CODEC_FLAG_PASS2) && s->avctx->rc_strategy == FF_RC_STRATEGY_XVID) return ff_xvid_rate_estimate_qscale(s, dry_run); #endif get_qminmax(&qmin, &qmax, s, pict_type); fps = get_fps(s->avctx); /* update predictors */ if (picture_number > 2 && !dry_run) { const int last_var = s->last_pict_type == AV_PICTURE_TYPE_I ? rcc->last_mb_var_sum : rcc->last_mc_mb_var_sum; av_assert1(s->frame_bits >= s->stuffing_bits); update_predictor(&rcc->pred[s->last_pict_type], rcc->last_qscale, sqrt(last_var), s->frame_bits - s->stuffing_bits); } if (s->flags & CODEC_FLAG_PASS2) { assert(picture_number >= 0); if (picture_number >= rcc->num_entries) { av_log(s, AV_LOG_ERROR, "Input is longer than 2-pass log file\n"); return -1; } rce = &rcc->entry[picture_number]; wanted_bits = rce->expected_bits; } else { Picture *dts_pic; rce = &local_rce; /* FIXME add a dts field to AVFrame and ensure it is set and use it * here instead of reordering but the reordering is simpler for now * until H.264 B-pyramid must be handled. */ if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) dts_pic = s->current_picture_ptr; else dts_pic = s->last_picture_ptr; if (!dts_pic || dts_pic->f.pts == AV_NOPTS_VALUE) wanted_bits = (uint64_t)(s->bit_rate * (double)picture_number / fps); else wanted_bits = (uint64_t)(s->bit_rate * (double)dts_pic->f.pts / fps); } diff = s->total_bits - wanted_bits; br_compensation = (a->bit_rate_tolerance - diff) / a->bit_rate_tolerance; if (br_compensation <= 0.0) br_compensation = 0.001; var = pict_type == AV_PICTURE_TYPE_I ? pic->mb_var_sum : pic->mc_mb_var_sum; short_term_q = 0; /* avoid warning */ if (s->flags & CODEC_FLAG_PASS2) { if (pict_type != AV_PICTURE_TYPE_I) assert(pict_type == rce->new_pict_type); q = rce->new_qscale / br_compensation; av_dlog(s, "%f %f %f last:%d var:%d type:%d//\n", q, rce->new_qscale, br_compensation, s->frame_bits, var, pict_type); } else { rce->pict_type = rce->new_pict_type = pict_type; rce->mc_mb_var_sum = pic->mc_mb_var_sum; rce->mb_var_sum = pic->mb_var_sum; rce->qscale = FF_QP2LAMBDA * 2; rce->f_code = s->f_code; rce->b_code = s->b_code; rce->misc_bits = 1; bits = predict_size(&rcc->pred[pict_type], rce->qscale, sqrt(var)); if (pict_type == AV_PICTURE_TYPE_I) { rce->i_count = s->mb_num; rce->i_tex_bits = bits; rce->p_tex_bits = 0; rce->mv_bits = 0; } else { rce->i_count = 0; // FIXME we do know this approx rce->i_tex_bits = 0; rce->p_tex_bits = bits * 0.9; rce->mv_bits = bits * 0.1; } rcc->i_cplx_sum[pict_type] += rce->i_tex_bits * rce->qscale; rcc->p_cplx_sum[pict_type] += rce->p_tex_bits * rce->qscale; rcc->mv_bits_sum[pict_type] += rce->mv_bits; rcc->frame_count[pict_type]++; bits = rce->i_tex_bits + rce->p_tex_bits; rate_factor = rcc->pass1_wanted_bits / rcc->pass1_rc_eq_output_sum * br_compensation; q = get_qscale(s, rce, rate_factor, picture_number); if (q < 0) return -1; assert(q > 0.0); q = get_diff_limited_q(s, rce, q); assert(q > 0.0); // FIXME type dependent blur like in 2-pass if (pict_type == AV_PICTURE_TYPE_P || s->intra_only) { rcc->short_term_qsum *= a->qblur; rcc->short_term_qcount *= a->qblur; rcc->short_term_qsum += q; rcc->short_term_qcount++; q = short_term_q = rcc->short_term_qsum / rcc->short_term_qcount; } assert(q > 0.0); q = modify_qscale(s, rce, q, picture_number); rcc->pass1_wanted_bits += s->bit_rate / fps; assert(q > 0.0); } if (s->avctx->debug & FF_DEBUG_RC) { av_log(s->avctx, AV_LOG_DEBUG, "%c qp:%d<%2.1f<%d %d want:%d total:%d comp:%f st_q:%2.2f " "size:%d var:%"PRId64"/%"PRId64" br:%d fps:%d\n", av_get_picture_type_char(pict_type), qmin, q, qmax, picture_number, (int)wanted_bits / 1000, (int)s->total_bits / 1000, br_compensation, short_term_q, s->frame_bits, pic->mb_var_sum, pic->mc_mb_var_sum, s->bit_rate / 1000, (int)fps); } if (q < qmin) q = qmin; else if (q > qmax) q = qmax; if (s->adaptive_quant) adaptive_quantization(s, q); else q = (int)(q + 0.5); if (!dry_run) { rcc->last_qscale = q; rcc->last_mc_mb_var_sum = pic->mc_mb_var_sum; rcc->last_mb_var_sum = pic->mb_var_sum; } return q; } | 2,413 |
1 | static void pred_spatial_direct_motion(H264Context * const h, int *mb_type){ MpegEncContext * const s = &h->s; int b8_stride = 2; int b4_stride = h->b_stride; int mb_xy = h->mb_xy, mb_y = s->mb_y; int mb_type_col[2]; const int16_t (*l1mv0)[2], (*l1mv1)[2]; const int8_t *l1ref0, *l1ref1; const int is_b8x8 = IS_8X8(*mb_type); unsigned int sub_mb_type= MB_TYPE_L0L1; int i8, i4; int ref[2]; int mv[2]; int list; assert(h->ref_list[1][0].f.reference & 3); await_reference_mb_row(h, &h->ref_list[1][0], s->mb_y + !!IS_INTERLACED(*mb_type)); #define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16|MB_TYPE_INTRA4x4|MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM) /* ref = min(neighbors) */ for(list=0; list<2; list++){ int left_ref = h->ref_cache[list][scan8[0] - 1]; int top_ref = h->ref_cache[list][scan8[0] - 8]; int refc = h->ref_cache[list][scan8[0] - 8 + 4]; const int16_t *C= h->mv_cache[list][ scan8[0] - 8 + 4]; if(refc == PART_NOT_AVAILABLE){ refc = h->ref_cache[list][scan8[0] - 8 - 1]; C = h-> mv_cache[list][scan8[0] - 8 - 1]; ref[list] = FFMIN3((unsigned)left_ref, (unsigned)top_ref, (unsigned)refc); if(ref[list] >= 0){ //this is just pred_motion() but with the cases removed that cannot happen for direct blocks const int16_t * const A= h->mv_cache[list][ scan8[0] - 1 ]; const int16_t * const B= h->mv_cache[list][ scan8[0] - 8 ]; int match_count= (left_ref==ref[list]) + (top_ref==ref[list]) + (refc==ref[list]); if(match_count > 1){ //most common mv[list]= pack16to32(mid_pred(A[0], B[0], C[0]), mid_pred(A[1], B[1], C[1]) ); }else { assert(match_count==1); if(left_ref==ref[list]){ mv[list]= AV_RN32A(A); }else if(top_ref==ref[list]){ mv[list]= AV_RN32A(B); }else{ mv[list]= AV_RN32A(C); }else{ int mask= ~(MB_TYPE_L0 << (2*list)); mv[list] = 0; ref[list] = -1; if(!is_b8x8) *mb_type &= mask; sub_mb_type &= mask; if(ref[0] < 0 && ref[1] < 0){ ref[0] = ref[1] = 0; if(!is_b8x8) *mb_type |= MB_TYPE_L0L1; sub_mb_type |= MB_TYPE_L0L1; if(!(is_b8x8|mv[0]|mv[1])){ fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1); fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1); fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4); fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, 0, 4); *mb_type= (*mb_type & ~(MB_TYPE_8x8|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_P1L0|MB_TYPE_P1L1))|MB_TYPE_16x16|MB_TYPE_DIRECT2; return; if (IS_INTERLACED(h->ref_list[1][0].f.mb_type[mb_xy])) { // AFL/AFR/FR/FL -> AFL/FL if (!IS_INTERLACED(*mb_type)) { // AFR/FR -> AFL/FL mb_y = (s->mb_y&~1) + h->col_parity; mb_xy= s->mb_x + ((s->mb_y&~1) + h->col_parity)*s->mb_stride; b8_stride = 0; }else{ mb_y += h->col_fieldoff; mb_xy += s->mb_stride*h->col_fieldoff; // non zero for FL -> FL & differ parity goto single_col; }else{ // AFL/AFR/FR/FL -> AFR/FR if(IS_INTERLACED(*mb_type)){ // AFL /FL -> AFR/FR mb_y = s->mb_y&~1; mb_xy= s->mb_x + (s->mb_y&~1)*s->mb_stride; mb_type_col[0] = h->ref_list[1][0].f.mb_type[mb_xy]; mb_type_col[1] = h->ref_list[1][0].f.mb_type[mb_xy + s->mb_stride]; b8_stride = 2+4*s->mb_stride; b4_stride *= 6; sub_mb_type |= MB_TYPE_16x16|MB_TYPE_DIRECT2; /* B_SUB_8x8 */ if( (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA) && (mb_type_col[1] & MB_TYPE_16x16_OR_INTRA) && !is_b8x8){ *mb_type |= MB_TYPE_16x8 |MB_TYPE_DIRECT2; /* B_16x8 */ }else{ *mb_type |= MB_TYPE_8x8; }else{ // AFR/FR -> AFR/FR single_col: mb_type_col[0] = mb_type_col[1] = h->ref_list[1][0].f.mb_type[mb_xy]; sub_mb_type |= MB_TYPE_16x16|MB_TYPE_DIRECT2; /* B_SUB_8x8 */ if(!is_b8x8 && (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA)){ *mb_type |= MB_TYPE_16x16|MB_TYPE_DIRECT2; /* B_16x16 */ }else if(!is_b8x8 && (mb_type_col[0] & (MB_TYPE_16x8|MB_TYPE_8x16))){ *mb_type |= MB_TYPE_DIRECT2 | (mb_type_col[0] & (MB_TYPE_16x8|MB_TYPE_8x16)); }else{ if(!h->sps.direct_8x8_inference_flag){ /* FIXME save sub mb types from previous frames (or derive from MVs) * so we know exactly what block size to use */ sub_mb_type += (MB_TYPE_8x8-MB_TYPE_16x16); /* B_SUB_4x4 */ *mb_type |= MB_TYPE_8x8; await_reference_mb_row(h, &h->ref_list[1][0], mb_y); l1mv0 = &h->ref_list[1][0].f.motion_val[0][h->mb2b_xy [mb_xy]]; l1mv1 = &h->ref_list[1][0].f.motion_val[1][h->mb2b_xy [mb_xy]]; l1ref0 = &h->ref_list[1][0].f.ref_index [0][4 * mb_xy]; l1ref1 = &h->ref_list[1][0].f.ref_index [1][4 * mb_xy]; if(!b8_stride){ if(s->mb_y&1){ l1ref0 += 2; l1ref1 += 2; l1mv0 += 2*b4_stride; l1mv1 += 2*b4_stride; if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])){ int n=0; for(i8=0; i8<4; i8++){ int x8 = i8&1; int y8 = i8>>1; int xy8 = x8+y8*b8_stride; int xy4 = 3*x8+y8*b4_stride; int a,b; if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8])) continue; h->sub_mb_type[i8] = sub_mb_type; fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1); fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1); if(!IS_INTRA(mb_type_col[y8]) && !h->ref_list[1][0].long_ref && ( (l1ref0[xy8] == 0 && FFABS(l1mv0[xy4][0]) <= 1 && FFABS(l1mv0[xy4][1]) <= 1) || (l1ref0[xy8] < 0 && l1ref1[xy8] == 0 && FFABS(l1mv1[xy4][0]) <= 1 && FFABS(l1mv1[xy4][1]) <= 1))){ a=b=0; if(ref[0] > 0) a= mv[0]; if(ref[1] > 0) b= mv[1]; n++; }else{ a= mv[0]; b= mv[1]; fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, a, 4); fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, b, 4); if(!is_b8x8 && !(n&3)) *mb_type= (*mb_type & ~(MB_TYPE_8x8|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_P1L0|MB_TYPE_P1L1))|MB_TYPE_16x16|MB_TYPE_DIRECT2; }else if(IS_16X16(*mb_type)){ int a,b; fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1); fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1); if(!IS_INTRA(mb_type_col[0]) && !h->ref_list[1][0].long_ref && ( (l1ref0[0] == 0 && FFABS(l1mv0[0][0]) <= 1 && FFABS(l1mv0[0][1]) <= 1) || (l1ref0[0] < 0 && l1ref1[0] == 0 && FFABS(l1mv1[0][0]) <= 1 && FFABS(l1mv1[0][1]) <= 1 && h->x264_build>33U))){ a=b=0; if(ref[0] > 0) a= mv[0]; if(ref[1] > 0) b= mv[1]; }else{ a= mv[0]; b= mv[1]; fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, a, 4); fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, b, 4); }else{ int n=0; for(i8=0; i8<4; i8++){ const int x8 = i8&1; const int y8 = i8>>1; if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8])) continue; h->sub_mb_type[i8] = sub_mb_type; fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, mv[0], 4); fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, mv[1], 4); fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1); fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1); assert(b8_stride==2); /* col_zero_flag */ if(!IS_INTRA(mb_type_col[0]) && !h->ref_list[1][0].long_ref && ( l1ref0[i8] == 0 || (l1ref0[i8] < 0 && l1ref1[i8] == 0 && h->x264_build>33U))){ const int16_t (*l1mv)[2]= l1ref0[i8] == 0 ? l1mv0 : l1mv1; if(IS_SUB_8X8(sub_mb_type)){ const int16_t *mv_col = l1mv[x8*3 + y8*3*b4_stride]; if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){ if(ref[0] == 0) fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4); if(ref[1] == 0) fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4); n+=4; }else{ int m=0; for(i4=0; i4<4; i4++){ const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*b4_stride]; if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){ if(ref[0] == 0) AV_ZERO32(h->mv_cache[0][scan8[i8*4+i4]]); if(ref[1] == 0) AV_ZERO32(h->mv_cache[1][scan8[i8*4+i4]]); m++; if(!(m&3)) h->sub_mb_type[i8]+= MB_TYPE_16x16 - MB_TYPE_8x8; n+=m; if(!is_b8x8 && !(n&15)) *mb_type= (*mb_type & ~(MB_TYPE_8x8|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_P1L0|MB_TYPE_P1L1))|MB_TYPE_16x16|MB_TYPE_DIRECT2; | 2,416 |
1 | int avformat_seek_file(AVFormatContext *s, int stream_index, int64_t min_ts, int64_t ts, int64_t max_ts, int flags) { if(min_ts > ts || max_ts < ts) return -1; if (s->iformat->read_seek2) { int ret; ff_read_frame_flush(s); if (stream_index == -1 && s->nb_streams == 1) { AVRational time_base = s->streams[0]->time_base; ts = av_rescale_q(ts, AV_TIME_BASE_Q, time_base); min_ts = av_rescale_rnd(min_ts, time_base.den, time_base.num * (int64_t)AV_TIME_BASE, AV_ROUND_UP); max_ts = av_rescale_rnd(max_ts, time_base.den, time_base.num * (int64_t)AV_TIME_BASE, AV_ROUND_DOWN); } ret = s->iformat->read_seek2(s, stream_index, min_ts, ts, max_ts, flags); if (ret >= 0) avformat_queue_attached_pictures(s); return ret; } if(s->iformat->read_timestamp){ //try to seek via read_timestamp() } //Fallback to old API if new is not implemented but old is //Note the old has somewhat different semantics if (s->iformat->read_seek || 1) { int dir = (ts - (uint64_t)min_ts > (uint64_t)max_ts - ts ? AVSEEK_FLAG_BACKWARD : 0); int ret = av_seek_frame(s, stream_index, ts, flags | dir); if (ret<0 && ts != min_ts && max_ts != ts) { ret = av_seek_frame(s, stream_index, dir ? max_ts : min_ts, flags | dir); if (ret >= 0) ret = av_seek_frame(s, stream_index, ts, flags | (dir^AVSEEK_FLAG_BACKWARD)); } return ret; } // try some generic seek like seek_frame_generic() but with new ts semantics } | 2,417 |
1 | static inline void render_line_unrolled(intptr_t x, uint8_t y, int x1, intptr_t sy, int ady, int adx, float *buf) { int err = -adx; x -= x1 - 1; buf += x1 - 1; while (++x < 0) { err += ady; if (err >= 0) { err += ady - adx; y += sy; buf[x++] = ff_vorbis_floor1_inverse_db_table[y]; } buf[x] = ff_vorbis_floor1_inverse_db_table[y]; } if (x <= 0) { if (err + ady >= 0) y += sy; buf[x] = ff_vorbis_floor1_inverse_db_table[y]; } } | 2,418 |
1 | iscsi_connect_cb(struct iscsi_context *iscsi, int status, void *command_data, void *opaque) { struct IscsiTask *itask = opaque; struct scsi_task *task; if (status != 0) { itask->status = 1; itask->complete = 1; return; } task = iscsi_inquiry_task(iscsi, itask->iscsilun->lun, 0, 0, 36, iscsi_inquiry_cb, opaque); if (task == NULL) { error_report("iSCSI: failed to send inquiry command."); itask->status = 1; itask->complete = 1; return; } } | 2,419 |
1 | static inline void s_zero(int cur_diff, struct G722Band *band) { int s_zero = 0; #define ACCUM(k, x, d) do { \ int tmp = x; \ band->zero_mem[k] = ((band->zero_mem[k] * 255) >> 8) + \ d*((band->diff_mem[k]^cur_diff) < 0 ? -128 : 128); \ band->diff_mem[k] = tmp; \ s_zero += (tmp * band->zero_mem[k]) >> 15; \ } while (0) if (cur_diff) { ACCUM(5, band->diff_mem[4], 1); ACCUM(4, band->diff_mem[3], 1); ACCUM(3, band->diff_mem[2], 1); ACCUM(2, band->diff_mem[1], 1); ACCUM(1, band->diff_mem[0], 1); ACCUM(0, cur_diff << 1, 1); } else { ACCUM(5, band->diff_mem[4], 0); ACCUM(4, band->diff_mem[3], 0); ACCUM(3, band->diff_mem[2], 0); ACCUM(2, band->diff_mem[1], 0); ACCUM(1, band->diff_mem[0], 0); ACCUM(0, cur_diff << 1, 0); } #undef ACCUM band->s_zero = s_zero; } | 2,420 |
1 | static uint32_t qvirtio_pci_get_features(QVirtioDevice *d) { QVirtioPCIDevice *dev = (QVirtioPCIDevice *)d; return qpci_io_readl(dev->pdev, dev->addr + VIRTIO_PCI_HOST_FEATURES); } | 2,421 |
1 | static av_cold int decode_init(AVCodecContext * avctx) { KmvcContext *const c = avctx->priv_data; int i; c->avctx = avctx; if (avctx->width > 320 || avctx->height > 200) { av_log(avctx, AV_LOG_ERROR, "KMVC supports frames <= 320x200\n"); return -1; } c->frm0 = av_mallocz(320 * 200); c->frm1 = av_mallocz(320 * 200); c->cur = c->frm0; c->prev = c->frm1; for (i = 0; i < 256; i++) { c->pal[i] = 0xFF << 24 | i * 0x10101; } if (avctx->extradata_size < 12) { av_log(avctx, AV_LOG_WARNING, "Extradata missing, decoding may not work properly...\n"); c->palsize = 127; } else { c->palsize = AV_RL16(avctx->extradata + 10); if (c->palsize >= (unsigned)MAX_PALSIZE) { c->palsize = 127; av_log(avctx, AV_LOG_ERROR, "KMVC palette too large\n"); return AVERROR_INVALIDDATA; } } if (avctx->extradata_size == 1036) { // palette in extradata uint8_t *src = avctx->extradata + 12; for (i = 0; i < 256; i++) { c->pal[i] = AV_RL32(src); src += 4; } c->setpal = 1; } avcodec_get_frame_defaults(&c->pic); avctx->pix_fmt = AV_PIX_FMT_PAL8; return 0; } | 2,422 |
1 | static uint8_t lag_calc_zero_run(int8_t x) { return (x << 1) ^ (x >> 7); } | 2,423 |
1 | static void patch_reloc(uint8_t *code_ptr, int type, intptr_t value, intptr_t addend) { value += addend; switch(type) { case R_386_PC32: value -= (uintptr_t)code_ptr; if (value != (int32_t)value) { tcg_abort(); } *(uint32_t *)code_ptr = value; break; case R_386_PC8: value -= (uintptr_t)code_ptr; if (value != (int8_t)value) { tcg_abort(); } *(uint8_t *)code_ptr = value; break; default: tcg_abort(); } } | 2,425 |
0 | static int nut_write_trailer(AVFormatContext *s) { NUTContext *nut = s->priv_data; ByteIOContext *bc = &s->pb; update_packetheader(nut, bc, 0); #if 0 int i; /* WRITE INDEX */ for (i = 0; s->nb_streams; i++) { put_be64(bc, INDEX_STARTCODE); put_packetheader(nut, bc, 64); put_v(bc, s->streams[i]->id); put_v(bc, ...); put_be32(bc, 0); /* FIXME: checksum */ update_packetheader(nut, bc, 0); } #endif put_flush_packet(bc); av_freep(&nut->stream); return 0; } | 2,426 |
0 | static void noise(uint8_t *dst, const uint8_t *src, int dst_linesize, int src_linesize, int width, int start, int end, NoiseContext *n, int comp) { FilterParams *p = &n->param[comp]; int8_t *noise = p->noise; const int flags = p->flags; AVLFG *lfg = &p->lfg; int shift, y; if (!noise) { if (dst != src) av_image_copy_plane(dst, dst_linesize, src, src_linesize, width, end - start); return; } for (y = start; y < end; y++) { if (flags & NOISE_TEMPORAL) shift = av_lfg_get(lfg) & (MAX_SHIFT - 1); else shift = n->rand_shift[y]; if (flags & NOISE_AVERAGED) { n->line_noise_avg(dst, src, width, p->prev_shift[y]); p->prev_shift[y][shift & 3] = noise + shift; } else { n->line_noise(dst, src, noise, width, shift); } dst += dst_linesize; src += src_linesize; } } | 2,427 |
0 | void ff_generate_sliding_window_mmcos(H264Context *h) { MpegEncContext * const s = &h->s; assert(h->long_ref_count + h->short_ref_count <= h->sps.ref_frame_count); h->mmco_index= 0; if(h->short_ref_count && h->long_ref_count + h->short_ref_count == h->sps.ref_frame_count && !(FIELD_PICTURE && !s->first_field && s->current_picture_ptr->reference)) { h->mmco[0].opcode= MMCO_SHORT2UNUSED; h->mmco[0].short_pic_num= h->short_ref[ h->short_ref_count - 1 ]->frame_num; h->mmco_index= 1; if (FIELD_PICTURE) { h->mmco[0].short_pic_num *= 2; h->mmco[1].opcode= MMCO_SHORT2UNUSED; h->mmco[1].short_pic_num= h->mmco[0].short_pic_num + 1; h->mmco_index= 2; } } } | 2,428 |
0 | static av_cold int X264_init(AVCodecContext *avctx) { X264Context *x4 = avctx->priv_data; AVCPBProperties *cpb_props; #if CONFIG_LIBX262_ENCODER if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO) { x4->params.b_mpeg2 = 1; x264_param_default_mpeg2(&x4->params); } else #else x264_param_default(&x4->params); #endif x4->params.b_deblocking_filter = avctx->flags & AV_CODEC_FLAG_LOOP_FILTER; if (x4->preset || x4->tune) if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) { av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune); return AVERROR(EINVAL); } if (avctx->level > 0) x4->params.i_level_idc = avctx->level; x4->params.pf_log = X264_log; x4->params.p_log_private = avctx; x4->params.i_log_level = X264_LOG_DEBUG; x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt); if (avctx->bit_rate) { x4->params.rc.i_bitrate = avctx->bit_rate / 1000; x4->params.rc.i_rc_method = X264_RC_ABR; } x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000; x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000; x4->params.rc.b_stat_write = avctx->flags & AV_CODEC_FLAG_PASS1; if (avctx->flags & AV_CODEC_FLAG_PASS2) { x4->params.rc.b_stat_read = 1; } else { if (x4->crf >= 0) { x4->params.rc.i_rc_method = X264_RC_CRF; x4->params.rc.f_rf_constant = x4->crf; } else if (x4->cqp >= 0) { x4->params.rc.i_rc_method = X264_RC_CQP; x4->params.rc.i_qp_constant = x4->cqp; } if (x4->crf_max >= 0) x4->params.rc.f_rf_constant_max = x4->crf_max; } if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 && (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) { x4->params.rc.f_vbv_buffer_init = (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size; } if (avctx->i_quant_factor > 0) x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor); x4->params.rc.f_pb_factor = avctx->b_quant_factor; x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset; if (avctx->gop_size >= 0) x4->params.i_keyint_max = avctx->gop_size; if (avctx->max_b_frames >= 0) x4->params.i_bframe = avctx->max_b_frames; if (avctx->scenechange_threshold >= 0) x4->params.i_scenecut_threshold = avctx->scenechange_threshold; if (avctx->qmin >= 0) x4->params.rc.i_qp_min = avctx->qmin; if (avctx->qmax >= 0) x4->params.rc.i_qp_max = avctx->qmax; if (avctx->max_qdiff >= 0) x4->params.rc.i_qp_step = avctx->max_qdiff; if (avctx->qblur >= 0) x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */ if (avctx->qcompress >= 0) x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */ if (avctx->refs >= 0) x4->params.i_frame_reference = avctx->refs; if (avctx->trellis >= 0) x4->params.analyse.i_trellis = avctx->trellis; if (avctx->me_range >= 0) x4->params.analyse.i_me_range = avctx->me_range; if (avctx->noise_reduction >= 0) x4->params.analyse.i_noise_reduction = avctx->noise_reduction; if (avctx->me_subpel_quality >= 0) x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality; if (avctx->b_frame_strategy >= 0) x4->params.i_bframe_adaptive = avctx->b_frame_strategy; if (avctx->keyint_min >= 0) x4->params.i_keyint_min = avctx->keyint_min; #if FF_API_CODER_TYPE FF_DISABLE_DEPRECATION_WARNINGS if (avctx->coder_type >= 0) x4->coder = avctx->coder_type == FF_CODER_TYPE_AC; FF_ENABLE_DEPRECATION_WARNINGS #endif if (avctx->me_cmp >= 0) x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA; if (x4->aq_mode >= 0) x4->params.rc.i_aq_mode = x4->aq_mode; if (x4->aq_strength >= 0) x4->params.rc.f_aq_strength = x4->aq_strength; PARSE_X264_OPT("psy-rd", psy_rd); PARSE_X264_OPT("deblock", deblock); PARSE_X264_OPT("partitions", partitions); PARSE_X264_OPT("stats", stats); if (x4->psy >= 0) x4->params.analyse.b_psy = x4->psy; if (x4->rc_lookahead >= 0) x4->params.rc.i_lookahead = x4->rc_lookahead; if (x4->weightp >= 0) x4->params.analyse.i_weighted_pred = x4->weightp; if (x4->weightb >= 0) x4->params.analyse.b_weighted_bipred = x4->weightb; if (x4->cplxblur >= 0) x4->params.rc.f_complexity_blur = x4->cplxblur; if (x4->ssim >= 0) x4->params.analyse.b_ssim = x4->ssim; if (x4->intra_refresh >= 0) x4->params.b_intra_refresh = x4->intra_refresh; if (x4->bluray_compat >= 0) { x4->params.b_bluray_compat = x4->bluray_compat; x4->params.b_vfr_input = 0; } if (x4->b_bias != INT_MIN) x4->params.i_bframe_bias = x4->b_bias; if (x4->b_pyramid >= 0) x4->params.i_bframe_pyramid = x4->b_pyramid; if (x4->mixed_refs >= 0) x4->params.analyse.b_mixed_references = x4->mixed_refs; if (x4->dct8x8 >= 0) x4->params.analyse.b_transform_8x8 = x4->dct8x8; if (x4->fast_pskip >= 0) x4->params.analyse.b_fast_pskip = x4->fast_pskip; if (x4->aud >= 0) x4->params.b_aud = x4->aud; if (x4->mbtree >= 0) x4->params.rc.b_mb_tree = x4->mbtree; if (x4->direct_pred >= 0) x4->params.analyse.i_direct_mv_pred = x4->direct_pred; if (x4->slice_max_size >= 0) x4->params.i_slice_max_size = x4->slice_max_size; if (x4->fastfirstpass) x264_param_apply_fastfirstpass(&x4->params); if (x4->nal_hrd >= 0) x4->params.i_nal_hrd = x4->nal_hrd; if (x4->motion_est >= 0) { x4->params.analyse.i_me_method = x4->motion_est; #if FF_API_MOTION_EST FF_DISABLE_DEPRECATION_WARNINGS } else { if (avctx->me_method == ME_EPZS) x4->params.analyse.i_me_method = X264_ME_DIA; else if (avctx->me_method == ME_HEX) x4->params.analyse.i_me_method = X264_ME_HEX; else if (avctx->me_method == ME_UMH) x4->params.analyse.i_me_method = X264_ME_UMH; else if (avctx->me_method == ME_FULL) x4->params.analyse.i_me_method = X264_ME_ESA; else if (avctx->me_method == ME_TESA) x4->params.analyse.i_me_method = X264_ME_TESA; FF_ENABLE_DEPRECATION_WARNINGS #endif } if (x4->coder >= 0) x4->params.b_cabac = x4->coder; if (x4->profile) if (x264_param_apply_profile(&x4->params, x4->profile) < 0) { av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile); return AVERROR(EINVAL); } x4->params.i_width = avctx->width; x4->params.i_height = avctx->height; x4->params.vui.i_sar_width = avctx->sample_aspect_ratio.num; x4->params.vui.i_sar_height = avctx->sample_aspect_ratio.den; x4->params.i_fps_num = x4->params.i_timebase_den = avctx->time_base.den; x4->params.i_fps_den = x4->params.i_timebase_num = avctx->time_base.num; x4->params.analyse.b_psnr = avctx->flags & AV_CODEC_FLAG_PSNR; x4->params.i_threads = avctx->thread_count; if (avctx->thread_type) x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE; x4->params.b_interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT; x4->params.b_open_gop = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP); x4->params.i_slice_count = avctx->slices; x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P || avctx->pix_fmt == AV_PIX_FMT_YUVJ422P || avctx->pix_fmt == AV_PIX_FMT_YUVJ444P || avctx->color_range == AVCOL_RANGE_JPEG; // x264 validates the values internally x4->params.vui.i_colorprim = avctx->color_primaries; x4->params.vui.i_transfer = avctx->color_trc; x4->params.vui.i_colmatrix = avctx->colorspace; if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) x4->params.b_repeat_headers = 0; if (x4->x264_params) { AVDictionary *dict = NULL; AVDictionaryEntry *en = NULL; if (!av_dict_parse_string(&dict, x4->x264_params, "=", ":", 0)) { while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) { if (x264_param_parse(&x4->params, en->key, en->value) < 0) av_log(avctx, AV_LOG_WARNING, "Error parsing option '%s = %s'.\n", en->key, en->value); } av_dict_free(&dict); } } // update AVCodecContext with x264 parameters avctx->has_b_frames = x4->params.i_bframe ? x4->params.i_bframe_pyramid ? 2 : 1 : 0; if (avctx->max_b_frames < 0) avctx->max_b_frames = 0; avctx->bit_rate = x4->params.rc.i_bitrate*1000; x4->enc = x264_encoder_open(&x4->params); if (!x4->enc) return AVERROR_UNKNOWN; if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) { x264_nal_t *nal; uint8_t *p; int nnal, s, i; s = x264_encoder_headers(x4->enc, &nal, &nnal); avctx->extradata = p = av_mallocz(s + AV_INPUT_BUFFER_PADDING_SIZE); if (!p) return AVERROR(ENOMEM); for (i = 0; i < nnal; i++) { /* Don't put the SEI in extradata. */ if (nal[i].i_type == NAL_SEI) { av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25); x4->sei_size = nal[i].i_payload; x4->sei = av_malloc(x4->sei_size); if (!x4->sei) return AVERROR(ENOMEM); memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload); continue; } memcpy(p, nal[i].p_payload, nal[i].i_payload); p += nal[i].i_payload; } avctx->extradata_size = p - avctx->extradata; } cpb_props = ff_add_cpb_side_data(avctx); if (!cpb_props) return AVERROR(ENOMEM); cpb_props->buffer_size = x4->params.rc.i_vbv_buffer_size * 1000; cpb_props->max_bitrate = x4->params.rc.i_vbv_max_bitrate * 1000; cpb_props->avg_bitrate = x4->params.rc.i_bitrate * 1000; return 0; } | 2,430 |
0 | static void blend_image_rgba_pm(AVFilterContext *ctx, AVFrame *dst, const AVFrame *src, int x, int y) { blend_image_packed_rgb(ctx, dst, src, 1, x, y, 1); } | 2,432 |
0 | int ff_h264_frame_start(H264Context *h) { Picture *pic; int i, ret; const int pixel_shift = h->pixel_shift; int c[4] = { 1<<(h->sps.bit_depth_luma-1), 1<<(h->sps.bit_depth_chroma-1), 1<<(h->sps.bit_depth_chroma-1), -1 }; if (!ff_thread_can_start_frame(h->avctx)) { av_log(h->avctx, AV_LOG_ERROR, "Attempt to start a frame outside SETUP state\n"); return -1; } release_unused_pictures(h, 1); h->cur_pic_ptr = NULL; i = find_unused_picture(h); if (i < 0) { av_log(h->avctx, AV_LOG_ERROR, "no frame buffer available\n"); return i; } pic = &h->DPB[i]; pic->f.reference = h->droppable ? 0 : h->picture_structure; pic->f.coded_picture_number = h->coded_picture_number++; pic->field_picture = h->picture_structure != PICT_FRAME; /* * Zero key_frame here; IDR markings per slice in frame or fields are ORed * in later. * See decode_nal_units(). */ pic->f.key_frame = 0; pic->sync = 0; pic->mmco_reset = 0; if ((ret = alloc_picture(h, pic)) < 0) return ret; if(!h->sync && !h->avctx->hwaccel && !(h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU)) avpriv_color_frame(&pic->f, c); h->cur_pic_ptr = pic; h->cur_pic = *h->cur_pic_ptr; h->cur_pic.f.extended_data = h->cur_pic.f.data; ff_er_frame_start(&h->er); assert(h->linesize && h->uvlinesize); for (i = 0; i < 16; i++) { h->block_offset[i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * h->linesize * ((scan8[i] - scan8[0]) >> 3); h->block_offset[48 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * h->linesize * ((scan8[i] - scan8[0]) >> 3); } for (i = 0; i < 16; i++) { h->block_offset[16 + i] = h->block_offset[32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * h->uvlinesize * ((scan8[i] - scan8[0]) >> 3); h->block_offset[48 + 16 + i] = h->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * h->uvlinesize * ((scan8[i] - scan8[0]) >> 3); } /* can't be in alloc_tables because linesize isn't known there. * FIXME: redo bipred weight to not require extra buffer? */ for (i = 0; i < h->slice_context_count; i++) if (h->thread_context[i]) { ret = alloc_scratch_buffers(h->thread_context[i], h->linesize); if (ret < 0) return ret; } /* Some macroblocks can be accessed before they're available in case * of lost slices, MBAFF or threading. */ memset(h->slice_table, -1, (h->mb_height * h->mb_stride - 1) * sizeof(*h->slice_table)); // s->decode = (h->flags & CODEC_FLAG_PSNR) || !s->encoding || // h->cur_pic.f.reference /* || h->contains_intra */ || 1; /* We mark the current picture as non-reference after allocating it, so * that if we break out due to an error it can be released automatically * in the next ff_MPV_frame_start(). * SVQ3 as well as most other codecs have only last/next/current and thus * get released even with set reference, besides SVQ3 and others do not * mark frames as reference later "naturally". */ if (h->avctx->codec_id != AV_CODEC_ID_SVQ3) h->cur_pic_ptr->f.reference = 0; h->cur_pic_ptr->field_poc[0] = h->cur_pic_ptr->field_poc[1] = INT_MAX; h->next_output_pic = NULL; assert(h->cur_pic_ptr->long_ref == 0); return 0; } | 2,433 |
0 | static int probe(AVProbeData *p) { if (p->buf_size < 13) return 0; if (p->buf[0] == 0x01 && p->buf[1] == 0x00 && p->buf[4] == 0x01 + p->buf[2] && p->buf[8] == p->buf[4] + p->buf[6] && p->buf[12] == p->buf[8] + p->buf[10]) return AVPROBE_SCORE_MAX; return 0; } | 2,434 |
0 | void ff_weight_h264_pixels8_8_msa(uint8_t *src, int stride, int height, int log2_denom, int weight_src, int offset) { avc_wgt_8width_msa(src, stride, height, log2_denom, weight_src, offset); } | 2,435 |
0 | void ff_fetch_timestamp(AVCodecParserContext *s, int off, int remove){ int i; s->dts= s->pts= AV_NOPTS_VALUE; s->offset= 0; for(i = 0; i < AV_PARSER_PTS_NB; i++) { if ( s->next_frame_offset + off >= s->cur_frame_offset[i] &&(s-> frame_offset < s->cur_frame_offset[i] || !s->frame_offset) //check is disabled becausue mpeg-ts doesnt send complete PES packets && /*s->next_frame_offset + off <*/ s->cur_frame_end[i]){ s->dts= s->cur_frame_dts[i]; s->pts= s->cur_frame_pts[i]; s->offset = s->next_frame_offset - s->cur_frame_offset[i]; if(remove) s->cur_frame_offset[i]= INT64_MAX; } } } | 2,436 |
0 | static void new_video_stream(AVFormatContext *oc) { AVStream *st; AVCodecContext *video_enc; enum CodecID codec_id; st = av_new_stream(oc, oc->nb_streams); if (!st) { fprintf(stderr, "Could not alloc stream\n"); av_exit(1); } avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_VIDEO); bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters; video_bitstream_filters= NULL; avcodec_thread_init(st->codec, thread_count); video_enc = st->codec; if(video_codec_tag) video_enc->codec_tag= video_codec_tag; if( (video_global_header&1) || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){ video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER; avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER; } if(video_global_header&2){ video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER; avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER; } if (video_stream_copy) { st->stream_copy = 1; video_enc->codec_type = AVMEDIA_TYPE_VIDEO; video_enc->sample_aspect_ratio = st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255); } else { const char *p; int i; AVCodec *codec; AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1}; if (video_codec_name) { codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1); codec = avcodec_find_encoder_by_name(video_codec_name); output_codecs[nb_ocodecs] = codec; } else { codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO); codec = avcodec_find_encoder(codec_id); } video_enc->codec_id = codec_id; set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM); if (codec && codec->supported_framerates && !force_fps) fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)]; video_enc->time_base.den = fps.num; video_enc->time_base.num = fps.den; video_enc->width = frame_width + frame_padright + frame_padleft; video_enc->height = frame_height + frame_padtop + frame_padbottom; video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255); video_enc->pix_fmt = frame_pix_fmt; st->sample_aspect_ratio = video_enc->sample_aspect_ratio; choose_pixel_fmt(st, codec); if (intra_only) video_enc->gop_size = 0; if (video_qscale || same_quality) { video_enc->flags |= CODEC_FLAG_QSCALE; video_enc->global_quality= st->quality = FF_QP2LAMBDA * video_qscale; } if(intra_matrix) video_enc->intra_matrix = intra_matrix; if(inter_matrix) video_enc->inter_matrix = inter_matrix; p= video_rc_override_string; for(i=0; p; i++){ int start, end, q; int e=sscanf(p, "%d,%d,%d", &start, &end, &q); if(e!=3){ fprintf(stderr, "error parsing rc_override\n"); av_exit(1); } video_enc->rc_override= av_realloc(video_enc->rc_override, sizeof(RcOverride)*(i+1)); video_enc->rc_override[i].start_frame= start; video_enc->rc_override[i].end_frame = end; if(q>0){ video_enc->rc_override[i].qscale= q; video_enc->rc_override[i].quality_factor= 1.0; } else{ video_enc->rc_override[i].qscale= 0; video_enc->rc_override[i].quality_factor= -q/100.0; } p= strchr(p, '/'); if(p) p++; } video_enc->rc_override_count=i; if (!video_enc->rc_initial_buffer_occupancy) video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4; video_enc->me_threshold= me_threshold; video_enc->intra_dc_precision= intra_dc_precision - 8; if (do_psnr) video_enc->flags|= CODEC_FLAG_PSNR; /* two pass mode */ if (do_pass) { if (do_pass == 1) { video_enc->flags |= CODEC_FLAG_PASS1; } else { video_enc->flags |= CODEC_FLAG_PASS2; } } } nb_ocodecs++; if (video_language) { av_metadata_set2(&st->metadata, "language", video_language, 0); av_freep(&video_language); } /* reset some key parameters */ video_disable = 0; av_freep(&video_codec_name); video_stream_copy = 0; frame_pix_fmt = PIX_FMT_NONE; } | 2,437 |
0 | static int opt_debug(void *optctx, const char *opt, const char *arg) { av_log_set_level(99); debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX); return 0; } | 2,438 |
0 | static int pulse_set_volume(PulseData *s, double volume) { pa_operation *op; pa_cvolume cvol; pa_volume_t vol; const pa_sample_spec *ss = pa_stream_get_sample_spec(s->stream); vol = pa_sw_volume_multiply(lround(volume * PA_VOLUME_NORM), s->base_volume); pa_cvolume_set(&cvol, ss->channels, PA_VOLUME_NORM); pa_sw_cvolume_multiply_scalar(&cvol, &cvol, vol); pa_threaded_mainloop_lock(s->mainloop); op = pa_context_set_sink_input_volume(s->ctx, pa_stream_get_index(s->stream), &cvol, pulse_context_result, s); return pulse_finish_context_operation(s, op, "pa_context_set_sink_input_volume"); } | 2,439 |
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