id
int32
0
27.3k
func
stringlengths
26
142k
target
bool
2 classes
project
stringclasses
2 values
commit_id
stringlengths
40
40
27,005
av_cold void ff_hpeldsp_vp3_init_x86(HpelDSPContext *c, int cpu_flags, int flags) { if (EXTERNAL_AMD3DNOW(cpu_flags)) { if (flags & AV_CODEC_FLAG_BITEXACT) { c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_3dnow; c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_3dnow; } } if (EXTERNAL_MMXEXT(cpu_flags)) { if (flags & AV_CODEC_FLAG_BITEXACT) { c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_mmxext; c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_mmxext; } } }
false
FFmpeg
0a39c9ac0bfd7345fe676b4e2707d9cec3cbb553
27,006
const char *bdrv_get_device_name(const BlockDriverState *bs) { return bs->blk ? blk_name(bs->blk) : ""; }
false
qemu
61007b316cd71ee7333ff7a0a749a8949527575f
27,009
static void mmu6xx_dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUPPCState *env) { ppc6xx_tlb_t *tlb; target_ulong sr; int type, way, entry, i; cpu_fprintf(f, "HTAB base = 0x%"HWADDR_PRIx"\n", env->htab_base); cpu_fprintf(f, "HTAB mask = 0x%"HWADDR_PRIx"\n", env->htab_mask); cpu_fprintf(f, "\nSegment registers:\n"); for (i = 0; i < 32; i++) { sr = env->sr[i]; if (sr & 0x80000000) { cpu_fprintf(f, "%02d T=%d Ks=%d Kp=%d BUID=0x%03x " "CNTLR_SPEC=0x%05x\n", i, sr & 0x80000000 ? 1 : 0, sr & 0x40000000 ? 1 : 0, sr & 0x20000000 ? 1 : 0, (uint32_t)((sr >> 20) & 0x1FF), (uint32_t)(sr & 0xFFFFF)); } else { cpu_fprintf(f, "%02d T=%d Ks=%d Kp=%d N=%d VSID=0x%06x\n", i, sr & 0x80000000 ? 1 : 0, sr & 0x40000000 ? 1 : 0, sr & 0x20000000 ? 1 : 0, sr & 0x10000000 ? 1 : 0, (uint32_t)(sr & 0x00FFFFFF)); } } cpu_fprintf(f, "\nBATs:\n"); mmu6xx_dump_BATs(f, cpu_fprintf, env, ACCESS_INT); mmu6xx_dump_BATs(f, cpu_fprintf, env, ACCESS_CODE); if (env->id_tlbs != 1) { cpu_fprintf(f, "ERROR: 6xx MMU should have separated TLB" " for code and data\n"); } cpu_fprintf(f, "\nTLBs [EPN EPN + SIZE]\n"); for (type = 0; type < 2; type++) { for (way = 0; way < env->nb_ways; way++) { for (entry = env->nb_tlb * type + env->tlb_per_way * way; entry < (env->nb_tlb * type + env->tlb_per_way * (way + 1)); entry++) { tlb = &env->tlb.tlb6[entry]; cpu_fprintf(f, "%s TLB %02d/%02d way:%d %s [" TARGET_FMT_lx " " TARGET_FMT_lx "]\n", type ? "code" : "data", entry % env->nb_tlb, env->nb_tlb, way, pte_is_valid(tlb->pte0) ? "valid" : "inval", tlb->EPN, tlb->EPN + TARGET_PAGE_SIZE); } } } }
false
qemu
36778660d7fd0748a6129916e47ecedd67bdb758
27,010
static SocketAddress *nbd_build_socket_address(const char *sockpath, const char *bindto, const char *port) { SocketAddress *saddr; saddr = g_new0(SocketAddress, 1); if (sockpath) { saddr->type = SOCKET_ADDRESS_KIND_UNIX; saddr->u.q_unix.data = g_new0(UnixSocketAddress, 1); saddr->u.q_unix.data->path = g_strdup(sockpath); } else { InetSocketAddress *inet; saddr->type = SOCKET_ADDRESS_KIND_INET; inet = saddr->u.inet.data = g_new0(InetSocketAddress, 1); inet->host = g_strdup(bindto); if (port) { inet->port = g_strdup(port); } else { inet->port = g_strdup_printf("%d", NBD_DEFAULT_PORT); } } return saddr; }
false
qemu
dfd100f242370886bb6732f70f1f7cbd8eb9fedc
27,011
static void select_vgahw (const char *p) { const char *opts; assert(vga_interface_type == VGA_NONE); if (strstart(p, "std", &opts)) { if (vga_available()) { vga_interface_type = VGA_STD; } else { error_report("standard VGA not available"); exit(1); } } else if (strstart(p, "cirrus", &opts)) { if (cirrus_vga_available()) { vga_interface_type = VGA_CIRRUS; } else { error_report("Cirrus VGA not available"); exit(1); } } else if (strstart(p, "vmware", &opts)) { if (vmware_vga_available()) { vga_interface_type = VGA_VMWARE; } else { error_report("VMWare SVGA not available"); exit(1); } } else if (strstart(p, "virtio", &opts)) { if (virtio_vga_available()) { vga_interface_type = VGA_VIRTIO; } else { error_report("Virtio VGA not available"); exit(1); } } else if (strstart(p, "xenfb", &opts)) { vga_interface_type = VGA_XENFB; } else if (strstart(p, "qxl", &opts)) { if (qxl_vga_available()) { vga_interface_type = VGA_QXL; } else { error_report("QXL VGA not available"); exit(1); } } else if (strstart(p, "tcx", &opts)) { if (tcx_vga_available()) { vga_interface_type = VGA_TCX; } else { error_report("TCX framebuffer not available"); exit(1); } } else if (strstart(p, "cg3", &opts)) { if (cg3_vga_available()) { vga_interface_type = VGA_CG3; } else { error_report("CG3 framebuffer not available"); exit(1); } } else if (!strstart(p, "none", &opts)) { invalid_vga: error_report("unknown vga type: %s", p); exit(1); } while (*opts) { const char *nextopt; if (strstart(opts, ",retrace=", &nextopt)) { opts = nextopt; if (strstart(opts, "dumb", &nextopt)) vga_retrace_method = VGA_RETRACE_DUMB; else if (strstart(opts, "precise", &nextopt)) vga_retrace_method = VGA_RETRACE_PRECISE; else goto invalid_vga; } else goto invalid_vga; opts = nextopt; } }
false
qemu
8c9a2b71de67742b40870da22abeccab57c81924
27,012
static target_ulong h_resize_hpt_commit(PowerPCCPU *cpu, sPAPRMachineState *spapr, target_ulong opcode, target_ulong *args) { target_ulong flags = args[0]; target_ulong shift = args[1]; sPAPRPendingHPT *pending = spapr->pending_hpt; int rc; size_t newsize; if (spapr->resize_hpt == SPAPR_RESIZE_HPT_DISABLED) { return H_AUTHORITY; } trace_spapr_h_resize_hpt_commit(flags, shift); rc = kvmppc_resize_hpt_commit(cpu, flags, shift); if (rc != -ENOSYS) { return resize_hpt_convert_rc(rc); } if (flags != 0) { return H_PARAMETER; } if (!pending || (pending->shift != shift)) { /* no matching prepare */ return H_CLOSED; } if (!pending->complete) { /* prepare has not completed */ return H_BUSY; } /* Shouldn't have got past PREPARE without an HPT */ g_assert(spapr->htab_shift); newsize = 1ULL << pending->shift; rc = rehash_hpt(cpu, spapr->htab, HTAB_SIZE(spapr), pending->hpt, newsize); if (rc == H_SUCCESS) { qemu_vfree(spapr->htab); spapr->htab = pending->hpt; spapr->htab_shift = pending->shift; if (kvm_enabled()) { /* For KVM PR, update the HPT pointer */ target_ulong sdr1 = (target_ulong)(uintptr_t)spapr->htab | (spapr->htab_shift - 18); kvmppc_update_sdr1(sdr1); } pending->hpt = NULL; /* so it's not free()d */ } /* Clean up */ spapr->pending_hpt = NULL; free_pending_hpt(pending); return rc; }
false
qemu
1ec26c757d5996468afcc0dced4fad04139574b3
27,013
static inline void migration_bitmap_set_dirty(MemoryRegion *mr, int length) { ram_addr_t addr; for (addr = 0; addr < length; addr += TARGET_PAGE_SIZE) { if (!memory_region_get_dirty(mr, addr, TARGET_PAGE_SIZE, DIRTY_MEMORY_MIGRATION)) { memory_region_set_dirty(mr, addr, TARGET_PAGE_SIZE); } } }
false
qemu
c6bf8e0e0cf04b40a8a22426e00ebbd727331d8b
27,014
static int piix3_pre_save(void *opaque) { int i; PIIX3State *piix3 = opaque; for (i = 0; i < ARRAY_SIZE(piix3->pci_irq_levels_vmstate); i++) { piix3->pci_irq_levels_vmstate[i] = pci_bus_get_irq_level(piix3->dev.bus, i); } return 0; }
false
qemu
fd56e0612b6454a282fa6a953fdb09281a98c589
27,015
static void send_qmp_error_event(BlockDriverState *bs, BlockErrorAction action, bool is_read, int error) { IoOperationType optype; optype = is_read ? IO_OPERATION_TYPE_READ : IO_OPERATION_TYPE_WRITE; qapi_event_send_block_io_error(bdrv_get_device_name(bs), optype, action, bdrv_iostatus_is_enabled(bs), error == ENOSPC, strerror(error), &error_abort); }
false
qemu
61007b316cd71ee7333ff7a0a749a8949527575f
27,016
static int expand(AVFilterContext *ctx, double *pz, int nb, double *coeffs) { int i; coeffs[0] = 1.0; coeffs[1] = 0.0; for (i = 0; i < nb; i++) { coeffs[2 * (i + 1) ] = 0.0; coeffs[2 * (i + 1) + 1] = 0.0; } for (i = 0; i < nb; i++) multiply(pz[2 * i], pz[2 * i + 1], nb, coeffs); for (i = 0; i < nb + 1; i++) { if (fabs(coeffs[2 * i + 1]) > DBL_EPSILON) { av_log(ctx, AV_LOG_ERROR, "coeff: %lf of z^%d is not real; poles/zeros are not complex conjugates.\n", coeffs[2 * i + i], i); return AVERROR(EINVAL); } } return 0; }
false
FFmpeg
205046420d5a4d389adb705538df3d6158be1fdb
27,017
static int vnc_display_get_address(const char *addrstr, bool websocket, bool reverse, int displaynum, int to, bool has_ipv4, bool has_ipv6, bool ipv4, bool ipv6, SocketAddressLegacy **retaddr, Error **errp) { int ret = -1; SocketAddressLegacy *addr = NULL; addr = g_new0(SocketAddressLegacy, 1); if (strncmp(addrstr, "unix:", 5) == 0) { addr->type = SOCKET_ADDRESS_LEGACY_KIND_UNIX; addr->u.q_unix.data = g_new0(UnixSocketAddress, 1); addr->u.q_unix.data->path = g_strdup(addrstr + 5); if (websocket) { error_setg(errp, "UNIX sockets not supported with websock"); goto cleanup; } if (to) { error_setg(errp, "Port range not support with UNIX socket"); goto cleanup; } ret = 0; } else { const char *port; size_t hostlen; unsigned long long baseport = 0; InetSocketAddress *inet; port = strrchr(addrstr, ':'); if (!port) { if (websocket) { hostlen = 0; port = addrstr; } else { error_setg(errp, "no vnc port specified"); goto cleanup; } } else { hostlen = port - addrstr; port++; if (*port == '\0') { error_setg(errp, "vnc port cannot be empty"); goto cleanup; } } addr->type = SOCKET_ADDRESS_LEGACY_KIND_INET; inet = addr->u.inet.data = g_new0(InetSocketAddress, 1); if (addrstr[0] == '[' && addrstr[hostlen - 1] == ']') { inet->host = g_strndup(addrstr + 1, hostlen - 2); } else { inet->host = g_strndup(addrstr, hostlen); } /* plain VNC port is just an offset, for websocket * port is absolute */ if (websocket) { if (g_str_equal(addrstr, "") || g_str_equal(addrstr, "on")) { if (displaynum == -1) { error_setg(errp, "explicit websocket port is required"); goto cleanup; } inet->port = g_strdup_printf( "%d", displaynum + 5700); if (to) { inet->has_to = true; inet->to = to + 5700; } } else { inet->port = g_strdup(port); } } else { int offset = reverse ? 0 : 5900; if (parse_uint_full(port, &baseport, 10) < 0) { error_setg(errp, "can't convert to a number: %s", port); goto cleanup; } if (baseport > 65535 || baseport + offset > 65535) { error_setg(errp, "port %s out of range", port); goto cleanup; } inet->port = g_strdup_printf( "%d", (int)baseport + offset); if (to) { inet->has_to = true; inet->to = to + offset; } } inet->ipv4 = ipv4; inet->has_ipv4 = has_ipv4; inet->ipv6 = ipv6; inet->has_ipv6 = has_ipv6; ret = baseport; } *retaddr = addr; cleanup: if (ret < 0) { qapi_free_SocketAddressLegacy(addr); } return ret; }
false
qemu
bd269ebc82fbaa5fe7ce5bc7c1770ac8acecd884
27,018
static int64_t ffm_seek1(AVFormatContext *s, int64_t pos1) { FFMContext *ffm = s->priv_data; AVIOContext *pb = s->pb; int64_t pos; pos = FFMIN(pos1, ffm->file_size - FFM_PACKET_SIZE); pos = FFMAX(pos, FFM_PACKET_SIZE); av_dlog(s, "seek to %"PRIx64" -> %"PRIx64"\n", pos1, pos); return avio_seek(pb, pos, SEEK_SET); }
false
FFmpeg
229843aa359ae0c9519977d7fa952688db63f559
27,019
static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap) { AVStream *st; int id; st = av_new_stream(s, 0); if (!st) return AVERROR_NOMEM; if (ap) { id = s->iformat->value; if (id == CODEC_ID_RAWVIDEO) { st->codec->codec_type = CODEC_TYPE_VIDEO; } else { st->codec->codec_type = CODEC_TYPE_AUDIO; } st->codec->codec_id = id; switch(st->codec->codec_type) { case CODEC_TYPE_AUDIO: st->codec->sample_rate = ap->sample_rate; st->codec->channels = ap->channels; av_set_pts_info(st, 64, 1, st->codec->sample_rate); break; case CODEC_TYPE_VIDEO: av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den); st->codec->width = ap->width; st->codec->height = ap->height; st->codec->pix_fmt = ap->pix_fmt; if(st->codec->pix_fmt == PIX_FMT_NONE) st->codec->pix_fmt= PIX_FMT_YUV420P; break; default: return -1; } } else { return -1; } return 0; }
false
FFmpeg
c04c3282b4334ff64cfd69d40fea010602e830fd
27,020
static size_t curl_size_cb(void *ptr, size_t size, size_t nmemb, void *opaque) { CURLState *s = ((CURLState*)opaque); size_t realsize = size * nmemb; size_t fsize; if(sscanf(ptr, "Content-Length: %zd", &fsize) == 1) { s->s->len = fsize; } return realsize; }
true
qemu
3494d650273e619606c6cb2c38aa9b8b7bed98e2
27,022
static av_cold int twin_decode_close(AVCodecContext *avctx) { TwinContext *tctx = avctx->priv_data; int i; for (i = 0; i < 3; i++) { ff_mdct_end(&tctx->mdct_ctx[i]); av_free(tctx->cos_tabs[i]); } av_free(tctx->curr_frame); av_free(tctx->spectrum); av_free(tctx->prev_frame); av_free(tctx->tmp_buf); return 0; }
true
FFmpeg
a8a6da4a0e059b2aab66627a96b63c3632c477c2
27,023
static void fw_cfg_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->realize = fw_cfg_realize; dc->no_user = 1; dc->reset = fw_cfg_reset; dc->vmsd = &vmstate_fw_cfg; dc->props = fw_cfg_properties; }
true
qemu
efec3dd631d94160288392721a5f9c39e50fb2bc
27,024
static target_ulong h_read(PowerPCCPU *cpu, sPAPREnvironment *spapr, target_ulong opcode, target_ulong *args) { CPUPPCState *env = &cpu->env; target_ulong flags = args[0]; target_ulong pte_index = args[1]; uint8_t *hpte; int i, ridx, n_entries = 1; if ((pte_index * HASH_PTE_SIZE_64) & ~env->htab_mask) { return H_PARAMETER; } if (flags & H_READ_4) { /* Clear the two low order bits */ pte_index &= ~(3ULL); n_entries = 4; } hpte = env->external_htab + (pte_index * HASH_PTE_SIZE_64); for (i = 0, ridx = 0; i < n_entries; i++) { args[ridx++] = ldq_p(hpte); args[ridx++] = ldq_p(hpte + (HASH_PTE_SIZE_64/2)); hpte += HASH_PTE_SIZE_64; } return H_SUCCESS; }
true
qemu
f3c75d42adbba553eaf218a832d4fbea32c8f7b8
27,027
static int bdrv_co_do_ioctl(BlockDriverState *bs, int req, void *buf) { BlockDriver *drv = bs->drv; BdrvTrackedRequest tracked_req; CoroutineIOCompletion co = { .coroutine = qemu_coroutine_self(), }; BlockAIOCB *acb; tracked_request_begin(&tracked_req, bs, 0, 0, BDRV_TRACKED_IOCTL); if (!drv || !drv->bdrv_aio_ioctl) { co.ret = -ENOTSUP; goto out; } acb = drv->bdrv_aio_ioctl(bs, req, buf, bdrv_co_io_em_complete, &co); if (!acb) { BdrvIoctlCompletionData *data = g_new(BdrvIoctlCompletionData, 1); data->bh = aio_bh_new(bdrv_get_aio_context(bs), bdrv_ioctl_bh_cb, data); data->co = &co; qemu_bh_schedule(data->bh); } qemu_coroutine_yield(); out: tracked_request_end(&tracked_req); return co.ret; }
true
qemu
c8a9fd80719e63615dac12e3625223fb54aa8430
27,028
static int asf_read_seek(AVFormatContext *s, int stream_index, int64_t pts, int flags) { ASFContext *asf = s->priv_data; AVStream *st = s->streams[stream_index]; int64_t pos; int index; if (s->packet_size <= 0) return -1; /* Try using the protocol's read_seek if available */ if (s->pb) { int ret = avio_seek_time(s->pb, stream_index, pts, flags); if (ret >= 0) asf_reset_header(s); if (ret != AVERROR(ENOSYS)) return ret; } if (!asf->index_read) asf_build_simple_index(s, stream_index); if ((asf->index_read && st->index_entries)) { index = av_index_search_timestamp(st, pts, flags); if (index >= 0) { /* find the position */ pos = st->index_entries[index].pos; /* do the seek */ av_log(s, AV_LOG_DEBUG, "SEEKTO: %"PRId64"\n", pos); avio_seek(s->pb, pos, SEEK_SET); asf_reset_header(s); return 0; } } /* no index or seeking by index failed */ if (ff_seek_frame_binary(s, stream_index, pts, flags) < 0) return -1; asf_reset_header(s); return 0; }
true
FFmpeg
0ebb523f072322972ea446616676fff32e9603c6
27,029
void ff_mpeg_unref_picture(MpegEncContext *s, Picture *pic) { int off = offsetof(Picture, mb_mean) + sizeof(pic->mb_mean); pic->tf.f = &pic->f; /* WM Image / Screen codecs allocate internal buffers with different * dimensions / colorspaces; ignore user-defined callbacks for these. */ if (s->codec_id != AV_CODEC_ID_WMV3IMAGE && s->codec_id != AV_CODEC_ID_VC1IMAGE && s->codec_id != AV_CODEC_ID_MSS2) ff_thread_release_buffer(s->avctx, &pic->tf); else av_frame_unref(&pic->f); av_buffer_unref(&pic->hwaccel_priv_buf); if (pic->needs_realloc) ff_free_picture_tables(pic); memset((uint8_t*)pic + off, 0, sizeof(*pic) - off); }
true
FFmpeg
f6774f905fb3cfdc319523ac640be30b14c1bc55
27,030
void nbd_client_new(NBDExport *exp, QIOChannelSocket *sioc, QCryptoTLSCreds *tlscreds, const char *tlsaclname, void (*close_fn)(NBDClient *)) { NBDClient *client; NBDClientNewData *data = g_new(NBDClientNewData, 1); client = g_malloc0(sizeof(NBDClient)); client->refcount = 1; client->exp = exp; client->tlscreds = tlscreds; if (tlscreds) { object_ref(OBJECT(client->tlscreds)); } client->tlsaclname = g_strdup(tlsaclname); client->sioc = sioc; object_ref(OBJECT(client->sioc)); client->ioc = QIO_CHANNEL(sioc); object_ref(OBJECT(client->ioc)); client->close = close_fn; data->client = client; data->co = qemu_coroutine_create(nbd_co_client_start, data); qemu_coroutine_enter(data->co); }
true
qemu
0c9390d978cbf61e8f16c9f580fa96b305c43568
27,031
void hbitmap_set(HBitmap *hb, uint64_t start, uint64_t count) { /* Compute range in the last layer. */ uint64_t last = start + count - 1; trace_hbitmap_set(hb, start, count, start >> hb->granularity, last >> hb->granularity); start >>= hb->granularity; last >>= hb->granularity; count = last - start + 1; hb->count += count - hb_count_between(hb, start, last); hb_set_between(hb, HBITMAP_LEVELS - 1, start, last); }
true
qemu
0e321191224c8cd137eef41da3257e096965c3d6
27,032
static int shorten_decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt) { AVFrame *frame = data; const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; ShortenContext *s = avctx->priv_data; int i, input_buf_size = 0; int ret; /* allocate internal bitstream buffer */ if (s->max_framesize == 0) { void *tmp_ptr; s->max_framesize = 8192; // should hopefully be enough for the first header tmp_ptr = av_fast_realloc(s->bitstream, &s->allocated_bitstream_size, s->max_framesize + FF_INPUT_BUFFER_PADDING_SIZE); if (!tmp_ptr) { av_log(avctx, AV_LOG_ERROR, "error allocating bitstream buffer\n"); return AVERROR(ENOMEM); } s->bitstream = tmp_ptr; } /* append current packet data to bitstream buffer */ if (1 && s->max_framesize) { //FIXME truncated buf_size = FFMIN(buf_size, s->max_framesize - s->bitstream_size); input_buf_size = buf_size; if (s->bitstream_index + s->bitstream_size + buf_size > s->allocated_bitstream_size) { memmove(s->bitstream, &s->bitstream[s->bitstream_index], s->bitstream_size); s->bitstream_index = 0; } if (buf) memcpy(&s->bitstream[s->bitstream_index + s->bitstream_size], buf, buf_size); buf = &s->bitstream[s->bitstream_index]; buf_size += s->bitstream_size; s->bitstream_size = buf_size; /* do not decode until buffer has at least max_framesize bytes or * the end of the file has been reached */ if (buf_size < s->max_framesize && avpkt->data) { *got_frame_ptr = 0; return input_buf_size; } } /* init and position bitstream reader */ init_get_bits(&s->gb, buf, buf_size * 8); skip_bits(&s->gb, s->bitindex); /* process header or next subblock */ if (!s->got_header) { if ((ret = read_header(s)) < 0) return ret; *got_frame_ptr = 0; goto finish_frame; } /* if quit command was read previously, don't decode anything */ if (s->got_quit_command) { *got_frame_ptr = 0; return avpkt->size; } s->cur_chan = 0; while (s->cur_chan < s->channels) { unsigned cmd; int len; if (get_bits_left(&s->gb) < 3 + FNSIZE) { *got_frame_ptr = 0; break; } cmd = get_ur_golomb_shorten(&s->gb, FNSIZE); if (cmd > FN_VERBATIM) { av_log(avctx, AV_LOG_ERROR, "unknown shorten function %d\n", cmd); *got_frame_ptr = 0; break; } if (!is_audio_command[cmd]) { /* process non-audio command */ switch (cmd) { case FN_VERBATIM: len = get_ur_golomb_shorten(&s->gb, VERBATIM_CKSIZE_SIZE); while (len--) get_ur_golomb_shorten(&s->gb, VERBATIM_BYTE_SIZE); break; case FN_BITSHIFT: s->bitshift = get_ur_golomb_shorten(&s->gb, BITSHIFTSIZE); break; case FN_BLOCKSIZE: { unsigned blocksize = get_uint(s, av_log2(s->blocksize)); if (blocksize > s->blocksize) { av_log(avctx, AV_LOG_ERROR, "Increasing block size is not supported\n"); return AVERROR_PATCHWELCOME; } if (!blocksize || blocksize > MAX_BLOCKSIZE) { av_log(avctx, AV_LOG_ERROR, "invalid or unsupported " "block size: %d\n", blocksize); return AVERROR(EINVAL); } s->blocksize = blocksize; break; } case FN_QUIT: s->got_quit_command = 1; break; } if (cmd == FN_BLOCKSIZE || cmd == FN_QUIT) { *got_frame_ptr = 0; break; } } else { /* process audio command */ int residual_size = 0; int channel = s->cur_chan; int32_t coffset; /* get Rice code for residual decoding */ if (cmd != FN_ZERO) { residual_size = get_ur_golomb_shorten(&s->gb, ENERGYSIZE); /* This is a hack as version 0 differed in the definition * of get_sr_golomb_shorten(). */ if (s->version == 0) residual_size--; } /* calculate sample offset using means from previous blocks */ if (s->nmean == 0) coffset = s->offset[channel][0]; else { int32_t sum = (s->version < 2) ? 0 : s->nmean / 2; for (i = 0; i < s->nmean; i++) sum += s->offset[channel][i]; coffset = sum / s->nmean; if (s->version >= 2) coffset = s->bitshift == 0 ? coffset : coffset >> s->bitshift - 1 >> 1; } /* decode samples for this channel */ if (cmd == FN_ZERO) { for (i = 0; i < s->blocksize; i++) s->decoded[channel][i] = 0; } else { if ((ret = decode_subframe_lpc(s, cmd, channel, residual_size, coffset)) < 0) return ret; } /* update means with info from the current block */ if (s->nmean > 0) { int32_t sum = (s->version < 2) ? 0 : s->blocksize / 2; for (i = 0; i < s->blocksize; i++) sum += s->decoded[channel][i]; for (i = 1; i < s->nmean; i++) s->offset[channel][i - 1] = s->offset[channel][i]; if (s->version < 2) s->offset[channel][s->nmean - 1] = sum / s->blocksize; else s->offset[channel][s->nmean - 1] = (sum / s->blocksize) << s->bitshift; } /* copy wrap samples for use with next block */ for (i = -s->nwrap; i < 0; i++) s->decoded[channel][i] = s->decoded[channel][i + s->blocksize]; /* shift samples to add in unused zero bits which were removed * during encoding */ fix_bitshift(s, s->decoded[channel]); /* if this is the last channel in the block, output the samples */ s->cur_chan++; if (s->cur_chan == s->channels) { uint8_t *samples_u8; int16_t *samples_s16; int chan; /* get output buffer */ frame->nb_samples = s->blocksize; if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) return ret; for (chan = 0; chan < s->channels; chan++) { samples_u8 = ((uint8_t **)frame->extended_data)[chan]; samples_s16 = ((int16_t **)frame->extended_data)[chan]; for (i = 0; i < s->blocksize; i++) { switch (s->internal_ftype) { case TYPE_U8: *samples_u8++ = av_clip_uint8(s->decoded[chan][i]); break; case TYPE_S16HL: case TYPE_S16LH: *samples_s16++ = av_clip_int16(s->decoded[chan][i]); break; } } } *got_frame_ptr = 1; } } } if (s->cur_chan < s->channels) *got_frame_ptr = 0; finish_frame: s->bitindex = get_bits_count(&s->gb) - 8 * (get_bits_count(&s->gb) / 8); i = get_bits_count(&s->gb) / 8; if (i > buf_size) { av_log(s->avctx, AV_LOG_ERROR, "overread: %d\n", i - buf_size); s->bitstream_size = 0; s->bitstream_index = 0; return AVERROR_INVALIDDATA; } if (s->bitstream_size) { s->bitstream_index += i; s->bitstream_size -= i; return input_buf_size; } else return i; }
true
FFmpeg
ad22767cb61cdc75541b21154d65fd1ad6351025
27,033
int64_t ff_lsb2full(StreamContext *stream, int64_t lsb){ int64_t mask = (1<<stream->msb_pts_shift)-1; int64_t delta= stream->last_pts - mask/2; return ((lsb - delta)&mask) + delta; }
true
FFmpeg
de6c150444159a26fe2555089d384ddd2d6459aa
27,034
long do_sigreturn(CPUAlphaState *env) { struct target_sigcontext *sc; abi_ulong sc_addr = env->ir[IR_A0]; target_sigset_t target_set; sigset_t set; if (!lock_user_struct(VERIFY_READ, sc, sc_addr, 1)) { goto badframe; } target_sigemptyset(&target_set); if (__get_user(target_set.sig[0], &sc->sc_mask)) { goto badframe; } target_to_host_sigset_internal(&set, &target_set); do_sigprocmask(SIG_SETMASK, &set, NULL); if (restore_sigcontext(env, sc)) { goto badframe; } unlock_user_struct(sc, sc_addr, 0); return env->ir[IR_V0]; badframe: unlock_user_struct(sc, sc_addr, 0); force_sig(TARGET_SIGSEGV); }
true
qemu
016d2e1dfa21b64a524d3629fdd317d4c25bc3b8
27,035
static void coroutine_fn wait_serialising_requests(BdrvTrackedRequest *self) { BlockDriverState *bs = self->bs; BdrvTrackedRequest *req; bool retry; if (!bs->serialising_in_flight) { return; } do { retry = false; QLIST_FOREACH(req, &bs->tracked_requests, list) { if (req == self || (!req->serialising && !self->serialising)) { continue; } if (tracked_request_overlaps(req, self->overlap_offset, self->overlap_bytes)) { /* Hitting this means there was a reentrant request, for * example, a block driver issuing nested requests. This must * never happen since it means deadlock. */ assert(qemu_coroutine_self() != req->co); qemu_co_queue_wait(&req->wait_queue); retry = true; break; } } } while (retry); }
true
qemu
6460440f34c709461b84375cfd8a86b27d433225
27,037
void qemu_spice_init(void) { QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); const char *password, *str, *x509_dir, *addr, *x509_key_password = NULL, *x509_dh_file = NULL, *tls_ciphers = NULL; char *x509_key_file = NULL, *x509_cert_file = NULL, *x509_cacert_file = NULL; int port, tls_port, len, addr_flags; spice_image_compression_t compression; spice_wan_compression_t wan_compr; if (!opts) { return; port = qemu_opt_get_number(opts, "port", 0); tls_port = qemu_opt_get_number(opts, "tls-port", 0); if (!port && !tls_port) { return; password = qemu_opt_get(opts, "password"); if (tls_port) { x509_dir = qemu_opt_get(opts, "x509-dir"); if (NULL == x509_dir) { x509_dir = "."; len = strlen(x509_dir) + 32; str = qemu_opt_get(opts, "x509-key-file"); if (str) { x509_key_file = qemu_strdup(str); } else { x509_key_file = qemu_malloc(len); snprintf(x509_key_file, len, "%s/%s", x509_dir, X509_SERVER_KEY_FILE); str = qemu_opt_get(opts, "x509-cert-file"); if (str) { x509_cert_file = qemu_strdup(str); } else { x509_cert_file = qemu_malloc(len); snprintf(x509_cert_file, len, "%s/%s", x509_dir, X509_SERVER_CERT_FILE); str = qemu_opt_get(opts, "x509-cacert-file"); if (str) { x509_cacert_file = qemu_strdup(str); } else { x509_cacert_file = qemu_malloc(len); snprintf(x509_cacert_file, len, "%s/%s", x509_dir, X509_CA_CERT_FILE); x509_key_password = qemu_opt_get(opts, "x509-key-password"); x509_dh_file = qemu_opt_get(opts, "x509-dh-file"); tls_ciphers = qemu_opt_get(opts, "tls-ciphers"); addr = qemu_opt_get(opts, "addr"); addr_flags = 0; if (qemu_opt_get_bool(opts, "ipv4", 0)) { addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY; } else if (qemu_opt_get_bool(opts, "ipv6", 0)) { addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY; spice_server = spice_server_new(); spice_server_set_addr(spice_server, addr ? addr : "", addr_flags); if (port) { spice_server_set_port(spice_server, port); if (tls_port) { spice_server_set_tls(spice_server, tls_port, x509_cacert_file, x509_cert_file, x509_key_file, x509_key_password, x509_dh_file, tls_ciphers); if (password) { spice_server_set_ticket(spice_server, password, 0, 0, 0); if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) { auth = "none"; spice_server_set_noauth(spice_server); #if SPICE_SERVER_VERSION >= 0x000801 if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) { spice_server_set_agent_copypaste(spice_server, false); compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ; str = qemu_opt_get(opts, "image-compression"); if (str) { compression = parse_compression(str); spice_server_set_image_compression(spice_server, compression); wan_compr = SPICE_WAN_COMPRESSION_AUTO; str = qemu_opt_get(opts, "jpeg-wan-compression"); if (str) { wan_compr = parse_wan_compression(str); spice_server_set_jpeg_compression(spice_server, wan_compr); wan_compr = SPICE_WAN_COMPRESSION_AUTO; str = qemu_opt_get(opts, "zlib-glz-wan-compression"); if (str) { wan_compr = parse_wan_compression(str); spice_server_set_zlib_glz_compression(spice_server, wan_compr); #if SPICE_SERVER_VERSION >= 0x000600 /* 0.6.0 */ str = qemu_opt_get(opts, "streaming-video"); if (str) { int streaming_video = parse_stream_video(str); spice_server_set_streaming_video(spice_server, streaming_video); spice_server_set_agent_mouse (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1)); spice_server_set_playback_compression (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1)); #endif /* >= 0.6.0 */ qemu_opt_foreach(opts, add_channel, NULL, 0); spice_server_init(spice_server, &core_interface); using_spice = 1; migration_state.notify = migration_state_notifier; add_migration_state_change_notifier(&migration_state); qemu_spice_input_init(); qemu_spice_audio_init(); qemu_free(x509_key_file); qemu_free(x509_cert_file); qemu_free(x509_cacert_file);
true
qemu
48b3ed0a68b8c1b288b4e15743ea39b7b5b318c3
27,038
void do_store_601_batu (int nr) { do_store_ibatu(env, nr, T0); env->DBAT[0][nr] = env->IBAT[0][nr]; env->DBAT[1][nr] = env->IBAT[1][nr]; }
true
qemu
d9bce9d99f4656ae0b0127f7472db9067b8f84ab
27,039
static void dp8393x_realize(DeviceState *dev, Error **errp) { dp8393xState *s = DP8393X(dev); int i, checksum; uint8_t *prom; address_space_init(&s->as, s->dma_mr, "dp8393x"); memory_region_init_io(&s->mmio, OBJECT(dev), &dp8393x_ops, s, "dp8393x-regs", 0x40 << s->it_shift); s->nic = qemu_new_nic(&net_dp83932_info, &s->conf, object_get_typename(OBJECT(dev)), dev->id, s); qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a); s->watchdog = timer_new_ns(QEMU_CLOCK_VIRTUAL, dp8393x_watchdog, s); s->regs[SONIC_SR] = 0x0004; /* only revision recognized by Linux */ memory_region_init_rom_device(&s->prom, OBJECT(dev), NULL, NULL, "dp8393x-prom", SONIC_PROM_SIZE, NULL); prom = memory_region_get_ram_ptr(&s->prom); checksum = 0; for (i = 0; i < 6; i++) { prom[i] = s->conf.macaddr.a[i]; checksum += prom[i]; if (checksum > 0xff) { checksum = (checksum + 1) & 0xff; } } prom[7] = 0xff - checksum; }
true
qemu
52579c681cb12bf64de793e85edc50d990f4d42f
27,040
void bdrv_round_to_clusters(BlockDriverState *bs, int64_t offset, unsigned int bytes, int64_t *cluster_offset, unsigned int *cluster_bytes) { BlockDriverInfo bdi; if (bdrv_get_info(bs, &bdi) < 0 || bdi.cluster_size == 0) { *cluster_offset = offset; *cluster_bytes = bytes; } else { int64_t c = bdi.cluster_size; *cluster_offset = QEMU_ALIGN_DOWN(offset, c); *cluster_bytes = QEMU_ALIGN_UP(offset - *cluster_offset + bytes, c); } }
true
qemu
7cfd527525a7d6b1c904890a6b84c1227846415e
27,041
int ff_audio_rechunk_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush, int (*get_packet)(AVFormatContext *, AVPacket *, AVPacket *, int), int (*compare_ts)(AVFormatContext *, AVPacket *, AVPacket *)) { int i; if (pkt) { AVStream *st = s->streams[pkt->stream_index]; AudioInterleaveContext *aic = st->priv_data; if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { unsigned new_size = av_fifo_size(aic->fifo) + pkt->size; if (new_size > aic->fifo_size) { if (av_fifo_realloc2(aic->fifo, new_size) < 0) return -1; aic->fifo_size = new_size; } av_fifo_generic_write(aic->fifo, pkt->data, pkt->size, NULL); } else { // rewrite pts and dts to be decoded time line position pkt->pts = pkt->dts = aic->dts; aic->dts += pkt->duration; ff_interleave_add_packet(s, pkt, compare_ts); } pkt = NULL; } for (i = 0; i < s->nb_streams; i++) { AVStream *st = s->streams[i]; if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { AVPacket new_pkt; while (interleave_new_audio_packet(s, &new_pkt, i, flush)) ff_interleave_add_packet(s, &new_pkt, compare_ts); } } return get_packet(s, out, NULL, flush); }
false
FFmpeg
324ff59444ff5470bb325ff1e2be7c4b054fc944
27,042
static av_cold int init_decoder(AVCodecContext *avctx) { avctx->pix_fmt = PIX_FMT_PAL8; return 0; }
false
FFmpeg
d150a147dac67faeaf6b1f25a523ae330168ee1e
27,043
static void opt_output_file(const char *filename) { AVFormatContext *oc; int err, use_video, use_audio, use_subtitle; int input_has_video, input_has_audio, input_has_subtitle; AVFormatParameters params, *ap = &params; AVOutputFormat *file_oformat; if (!strcmp(filename, "-")) filename = "pipe:"; oc = avformat_alloc_context(); if (!oc) { print_error(filename, AVERROR(ENOMEM)); ffmpeg_exit(1); } if (last_asked_format) { file_oformat = av_guess_format(last_asked_format, NULL, NULL); if (!file_oformat) { fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format); ffmpeg_exit(1); } last_asked_format = NULL; } else { file_oformat = av_guess_format(NULL, filename, NULL); if (!file_oformat) { fprintf(stderr, "Unable to find a suitable output format for '%s'\n", filename); ffmpeg_exit(1); } } oc->oformat = file_oformat; av_strlcpy(oc->filename, filename, sizeof(oc->filename)); if (!strcmp(file_oformat->name, "ffm") && av_strstart(filename, "http:", NULL)) { /* special case for files sent to ffserver: we get the stream parameters from ffserver */ int err = read_ffserver_streams(oc, filename); if (err < 0) { print_error(filename, err); ffmpeg_exit(1); } } else { use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name; use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name; use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name; /* disable if no corresponding type found and at least one input file */ if (nb_input_files > 0) { check_audio_video_sub_inputs(&input_has_video, &input_has_audio, &input_has_subtitle); if (!input_has_video) use_video = 0; if (!input_has_audio) use_audio = 0; if (!input_has_subtitle) use_subtitle = 0; } /* manual disable */ if (audio_disable) use_audio = 0; if (video_disable) use_video = 0; if (subtitle_disable) use_subtitle = 0; if (use_video) new_video_stream(oc, nb_output_files); if (use_audio) new_audio_stream(oc, nb_output_files); if (use_subtitle) new_subtitle_stream(oc, nb_output_files); oc->timestamp = recording_timestamp; av_metadata_copy(&oc->metadata, metadata, 0); av_metadata_free(&metadata); } output_files[nb_output_files++] = oc; /* check filename in case of an image number is expected */ if (oc->oformat->flags & AVFMT_NEEDNUMBER) { if (!av_filename_number_test(oc->filename)) { print_error(oc->filename, AVERROR_NUMEXPECTED); ffmpeg_exit(1); } } if (!(oc->oformat->flags & AVFMT_NOFILE)) { /* test if it already exists to avoid loosing precious files */ if (!file_overwrite && (strchr(filename, ':') == NULL || filename[1] == ':' || av_strstart(filename, "file:", NULL))) { if (url_exist(filename)) { if (!using_stdin) { fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename); fflush(stderr); if (!read_yesno()) { fprintf(stderr, "Not overwriting - exiting\n"); ffmpeg_exit(1); } } else { fprintf(stderr,"File '%s' already exists. Exiting.\n", filename); ffmpeg_exit(1); } } } /* open the file */ if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) { print_error(filename, err); ffmpeg_exit(1); } } memset(ap, 0, sizeof(*ap)); if (av_set_parameters(oc, ap) < 0) { fprintf(stderr, "%s: Invalid encoding parameters\n", oc->filename); ffmpeg_exit(1); } oc->preload= (int)(mux_preload*AV_TIME_BASE); oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE); oc->loop_output = loop_output; oc->flags |= AVFMT_FLAG_NONBLOCK; set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL); av_freep(&forced_key_frames); }
false
FFmpeg
55815edca038997ec283569a192a3eca7f2143bc
27,044
static uint32_t bonito_sbridge_pciaddr(void *opaque, hwaddr addr) { PCIBonitoState *s = opaque; PCIHostState *phb = PCI_HOST_BRIDGE(s->pcihost); uint32_t cfgaddr; uint32_t idsel; uint32_t devno; uint32_t funno; uint32_t regno; uint32_t pciaddr; /* support type0 pci config */ if ((s->regs[BONITO_PCIMAP_CFG] & 0x10000) != 0x0) { return 0xffffffff; } cfgaddr = addr & 0xffff; cfgaddr |= (s->regs[BONITO_PCIMAP_CFG] & 0xffff) << 16; idsel = (cfgaddr & BONITO_PCICONF_IDSEL_MASK) >> BONITO_PCICONF_IDSEL_OFFSET; devno = ffs(idsel) - 1; funno = (cfgaddr & BONITO_PCICONF_FUN_MASK) >> BONITO_PCICONF_FUN_OFFSET; regno = (cfgaddr & BONITO_PCICONF_REG_MASK) >> BONITO_PCICONF_REG_OFFSET; if (idsel == 0) { fprintf(stderr, "error in bonito pci config address " TARGET_FMT_plx ",pcimap_cfg=%x\n", addr, s->regs[BONITO_PCIMAP_CFG]); exit(1); } pciaddr = PCI_ADDR(pci_bus_num(phb->bus), devno, funno, regno); DPRINTF("cfgaddr %x pciaddr %x busno %x devno %d funno %d regno %d\n", cfgaddr, pciaddr, pci_bus_num(phb->bus), devno, funno, regno); return pciaddr; }
false
qemu
786a4ea82ec9c87e3a895cf41081029b285a5fe5
27,047
const char *drive_get_serial(BlockDriverState *bdrv) { DriveInfo *dinfo; TAILQ_FOREACH(dinfo, &drives, next) { if (dinfo->bdrv == bdrv) return dinfo->serial; } return "\0"; }
false
qemu
72cf2d4f0e181d0d3a3122e04129c58a95da713e
27,049
static void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting) { vs->read_handler = func; vs->read_handler_expect = expecting; }
false
qemu
5fb6c7a8b26eab1a22207d24b4784bd2b39ab54b
27,050
static int decode_mips16_opc (CPUState *env, DisasContext *ctx, int *is_branch) { int rx, ry; int sa; int op, cnvt_op, op1, offset; int funct; int n_bytes; op = (ctx->opcode >> 11) & 0x1f; sa = (ctx->opcode >> 2) & 0x7; sa = sa == 0 ? 8 : sa; rx = xlat((ctx->opcode >> 8) & 0x7); cnvt_op = (ctx->opcode >> 5) & 0x7; ry = xlat((ctx->opcode >> 5) & 0x7); op1 = offset = ctx->opcode & 0x1f; n_bytes = 2; switch (op) { case M16_OPC_ADDIUSP: { int16_t imm = ((uint8_t) ctx->opcode) << 2; gen_arith_imm(env, ctx, OPC_ADDIU, rx, 29, imm); } break; case M16_OPC_ADDIUPC: gen_addiupc(ctx, rx, ((uint8_t) ctx->opcode) << 2, 0, 0); break; case M16_OPC_B: offset = (ctx->opcode & 0x7ff) << 1; offset = (int16_t)(offset << 4) >> 4; gen_compute_branch(ctx, OPC_BEQ, 2, 0, 0, offset); /* No delay slot, so just process as a normal instruction */ break; case M16_OPC_JAL: offset = lduw_code(ctx->pc + 2); offset = (((ctx->opcode & 0x1f) << 21) | ((ctx->opcode >> 5) & 0x1f) << 16 | offset) << 2; op = ((ctx->opcode >> 10) & 0x1) ? OPC_JALX : OPC_JAL; gen_compute_branch(ctx, op, 4, rx, ry, offset); n_bytes = 4; *is_branch = 1; break; case M16_OPC_BEQZ: gen_compute_branch(ctx, OPC_BEQ, 2, rx, 0, ((int8_t)ctx->opcode) << 1); /* No delay slot, so just process as a normal instruction */ break; case M16_OPC_BNEQZ: gen_compute_branch(ctx, OPC_BNE, 2, rx, 0, ((int8_t)ctx->opcode) << 1); /* No delay slot, so just process as a normal instruction */ break; case M16_OPC_SHIFT: switch (ctx->opcode & 0x3) { case 0x0: gen_shift_imm(env, ctx, OPC_SLL, rx, ry, sa); break; case 0x1: #if defined(TARGET_MIPS64) check_mips_64(ctx); gen_shift_imm(env, ctx, OPC_DSLL, rx, ry, sa); #else generate_exception(ctx, EXCP_RI); #endif break; case 0x2: gen_shift_imm(env, ctx, OPC_SRL, rx, ry, sa); break; case 0x3: gen_shift_imm(env, ctx, OPC_SRA, rx, ry, sa); break; } break; #if defined(TARGET_MIPS64) case M16_OPC_LD: check_mips_64(ctx); gen_ldst(ctx, OPC_LD, ry, rx, offset << 3); break; #endif case M16_OPC_RRIA: { int16_t imm = (int8_t)((ctx->opcode & 0xf) << 4) >> 4; if ((ctx->opcode >> 4) & 1) { #if defined(TARGET_MIPS64) check_mips_64(ctx); gen_arith_imm(env, ctx, OPC_DADDIU, ry, rx, imm); #else generate_exception(ctx, EXCP_RI); #endif } else { gen_arith_imm(env, ctx, OPC_ADDIU, ry, rx, imm); } } break; case M16_OPC_ADDIU8: { int16_t imm = (int8_t) ctx->opcode; gen_arith_imm(env, ctx, OPC_ADDIU, rx, rx, imm); } break; case M16_OPC_SLTI: { int16_t imm = (uint8_t) ctx->opcode; gen_slt_imm(env, OPC_SLTI, 24, rx, imm); } break; case M16_OPC_SLTIU: { int16_t imm = (uint8_t) ctx->opcode; gen_slt_imm(env, OPC_SLTIU, 24, rx, imm); } break; case M16_OPC_I8: { int reg32; funct = (ctx->opcode >> 8) & 0x7; switch (funct) { case I8_BTEQZ: gen_compute_branch(ctx, OPC_BEQ, 2, 24, 0, ((int8_t)ctx->opcode) << 1); break; case I8_BTNEZ: gen_compute_branch(ctx, OPC_BNE, 2, 24, 0, ((int8_t)ctx->opcode) << 1); break; case I8_SWRASP: gen_ldst(ctx, OPC_SW, 31, 29, (ctx->opcode & 0xff) << 2); break; case I8_ADJSP: gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, ((int8_t)ctx->opcode) << 3); break; case I8_SVRS: { int do_ra = ctx->opcode & (1 << 6); int do_s0 = ctx->opcode & (1 << 5); int do_s1 = ctx->opcode & (1 << 4); int framesize = ctx->opcode & 0xf; if (framesize == 0) { framesize = 128; } else { framesize = framesize << 3; } if (ctx->opcode & (1 << 7)) { gen_mips16_save(ctx, 0, 0, do_ra, do_s0, do_s1, framesize); } else { gen_mips16_restore(ctx, 0, 0, do_ra, do_s0, do_s1, framesize); } } break; case I8_MOV32R: { int rz = xlat(ctx->opcode & 0x7); reg32 = (((ctx->opcode >> 3) & 0x3) << 3) | ((ctx->opcode >> 5) & 0x7); gen_arith(env, ctx, OPC_ADDU, reg32, rz, 0); } break; case I8_MOVR32: reg32 = ctx->opcode & 0x1f; gen_arith(env, ctx, OPC_ADDU, ry, reg32, 0); break; default: generate_exception(ctx, EXCP_RI); break; } } break; case M16_OPC_LI: { int16_t imm = (uint8_t) ctx->opcode; gen_arith_imm(env, ctx, OPC_ADDIU, rx, 0, imm); } break; case M16_OPC_CMPI: { int16_t imm = (uint8_t) ctx->opcode; gen_logic_imm(env, OPC_XORI, 24, rx, imm); } break; #if defined(TARGET_MIPS64) case M16_OPC_SD: check_mips_64(ctx); gen_ldst(ctx, OPC_SD, ry, rx, offset << 3); break; #endif case M16_OPC_LB: gen_ldst(ctx, OPC_LB, ry, rx, offset); break; case M16_OPC_LH: gen_ldst(ctx, OPC_LH, ry, rx, offset << 1); break; case M16_OPC_LWSP: gen_ldst(ctx, OPC_LW, rx, 29, ((uint8_t)ctx->opcode) << 2); break; case M16_OPC_LW: gen_ldst(ctx, OPC_LW, ry, rx, offset << 2); break; case M16_OPC_LBU: gen_ldst(ctx, OPC_LBU, ry, rx, offset); break; case M16_OPC_LHU: gen_ldst(ctx, OPC_LHU, ry, rx, offset << 1); break; case M16_OPC_LWPC: gen_ldst(ctx, OPC_LWPC, rx, 0, ((uint8_t)ctx->opcode) << 2); break; #if defined (TARGET_MIPS64) case M16_OPC_LWU: check_mips_64(ctx); gen_ldst(ctx, OPC_LWU, ry, rx, offset << 2); break; #endif case M16_OPC_SB: gen_ldst(ctx, OPC_SB, ry, rx, offset); break; case M16_OPC_SH: gen_ldst(ctx, OPC_SH, ry, rx, offset << 1); break; case M16_OPC_SWSP: gen_ldst(ctx, OPC_SW, rx, 29, ((uint8_t)ctx->opcode) << 2); break; case M16_OPC_SW: gen_ldst(ctx, OPC_SW, ry, rx, offset << 2); break; case M16_OPC_RRR: { int rz = xlat((ctx->opcode >> 2) & 0x7); int mips32_op; switch (ctx->opcode & 0x3) { case RRR_ADDU: mips32_op = OPC_ADDU; break; case RRR_SUBU: mips32_op = OPC_SUBU; break; #if defined(TARGET_MIPS64) case RRR_DADDU: mips32_op = OPC_DADDU; check_mips_64(ctx); break; case RRR_DSUBU: mips32_op = OPC_DSUBU; check_mips_64(ctx); break; #endif default: generate_exception(ctx, EXCP_RI); goto done; } gen_arith(env, ctx, mips32_op, rz, rx, ry); done: ; } break; case M16_OPC_RR: switch (op1) { case RR_JR: { int nd = (ctx->opcode >> 7) & 0x1; int link = (ctx->opcode >> 6) & 0x1; int ra = (ctx->opcode >> 5) & 0x1; if (link) { op = nd ? OPC_JALRC : OPC_JALR; } else { op = OPC_JR; } gen_compute_branch(ctx, op, 2, ra ? 31 : rx, 31, 0); if (!nd) { *is_branch = 1; } } break; case RR_SDBBP: /* XXX: not clear which exception should be raised * when in debug mode... */ check_insn(env, ctx, ISA_MIPS32); if (!(ctx->hflags & MIPS_HFLAG_DM)) { generate_exception(ctx, EXCP_DBp); } else { generate_exception(ctx, EXCP_DBp); } break; case RR_SLT: gen_slt(env, OPC_SLT, 24, rx, ry); break; case RR_SLTU: gen_slt(env, OPC_SLTU, 24, rx, ry); break; case RR_BREAK: generate_exception(ctx, EXCP_BREAK); break; case RR_SLLV: gen_shift(env, ctx, OPC_SLLV, ry, rx, ry); break; case RR_SRLV: gen_shift(env, ctx, OPC_SRLV, ry, rx, ry); break; case RR_SRAV: gen_shift(env, ctx, OPC_SRAV, ry, rx, ry); break; #if defined (TARGET_MIPS64) case RR_DSRL: check_mips_64(ctx); gen_shift_imm(env, ctx, OPC_DSRL, ry, ry, sa); break; #endif case RR_CMP: gen_logic(env, OPC_XOR, 24, rx, ry); break; case RR_NEG: gen_arith(env, ctx, OPC_SUBU, rx, 0, ry); break; case RR_AND: gen_logic(env, OPC_AND, rx, rx, ry); break; case RR_OR: gen_logic(env, OPC_OR, rx, rx, ry); break; case RR_XOR: gen_logic(env, OPC_XOR, rx, rx, ry); break; case RR_NOT: gen_logic(env, OPC_NOR, rx, ry, 0); break; case RR_MFHI: gen_HILO(ctx, OPC_MFHI, rx); break; case RR_CNVT: switch (cnvt_op) { case RR_RY_CNVT_ZEB: tcg_gen_ext8u_tl(cpu_gpr[rx], cpu_gpr[rx]); break; case RR_RY_CNVT_ZEH: tcg_gen_ext16u_tl(cpu_gpr[rx], cpu_gpr[rx]); break; case RR_RY_CNVT_SEB: tcg_gen_ext8s_tl(cpu_gpr[rx], cpu_gpr[rx]); break; case RR_RY_CNVT_SEH: tcg_gen_ext16s_tl(cpu_gpr[rx], cpu_gpr[rx]); break; #if defined (TARGET_MIPS64) case RR_RY_CNVT_ZEW: check_mips_64(ctx); tcg_gen_ext32u_tl(cpu_gpr[rx], cpu_gpr[rx]); break; case RR_RY_CNVT_SEW: check_mips_64(ctx); tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]); break; #endif default: generate_exception(ctx, EXCP_RI); break; } break; case RR_MFLO: gen_HILO(ctx, OPC_MFLO, rx); break; #if defined (TARGET_MIPS64) case RR_DSRA: check_mips_64(ctx); gen_shift_imm(env, ctx, OPC_DSRA, ry, ry, sa); break; case RR_DSLLV: check_mips_64(ctx); gen_shift(env, ctx, OPC_DSLLV, ry, rx, ry); break; case RR_DSRLV: check_mips_64(ctx); gen_shift(env, ctx, OPC_DSRLV, ry, rx, ry); break; case RR_DSRAV: check_mips_64(ctx); gen_shift(env, ctx, OPC_DSRAV, ry, rx, ry); break; #endif case RR_MULT: gen_muldiv(ctx, OPC_MULT, rx, ry); break; case RR_MULTU: gen_muldiv(ctx, OPC_MULTU, rx, ry); break; case RR_DIV: gen_muldiv(ctx, OPC_DIV, rx, ry); break; case RR_DIVU: gen_muldiv(ctx, OPC_DIVU, rx, ry); break; #if defined (TARGET_MIPS64) case RR_DMULT: check_mips_64(ctx); gen_muldiv(ctx, OPC_DMULT, rx, ry); break; case RR_DMULTU: check_mips_64(ctx); gen_muldiv(ctx, OPC_DMULTU, rx, ry); break; case RR_DDIV: check_mips_64(ctx); gen_muldiv(ctx, OPC_DDIV, rx, ry); break; case RR_DDIVU: check_mips_64(ctx); gen_muldiv(ctx, OPC_DDIVU, rx, ry); break; #endif default: generate_exception(ctx, EXCP_RI); break; } break; case M16_OPC_EXTEND: decode_extended_mips16_opc(env, ctx, is_branch); n_bytes = 4; break; #if defined(TARGET_MIPS64) case M16_OPC_I64: funct = (ctx->opcode >> 8) & 0x7; decode_i64_mips16(env, ctx, ry, funct, offset, 0); break; #endif default: generate_exception(ctx, EXCP_RI); break; } return n_bytes; }
false
qemu
620e48f66350991918dd78e9a686a9b159fec111
27,051
static int smc_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; SmcContext *s = avctx->priv_data; const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL); int ret; bytestream2_init(&s->gb, buf, buf_size); if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) return ret; if (pal) { s->frame->palette_has_changed = 1; memcpy(s->pal, pal, AVPALETTE_SIZE); } smc_decode_stream(s); *got_frame = 1; if ((ret = av_frame_ref(data, s->frame)) < 0) return ret; /* always report that the buffer was completely consumed */ return buf_size; }
false
FFmpeg
140f48b90fbe32a88423aad473bccc72c3bb450e
27,052
static void proxy_seekdir(FsContext *ctx, V9fsFidOpenState *fs, off_t off) { seekdir(fs->dir, off); }
false
qemu
494a8ebe713055d3946183f4b395f85a18b43e9e
27,053
void virtio_notify(VirtIODevice *vdev, VirtQueue *vq) { /* Always notify when queue is empty */ if ((vq->inuse || vring_avail_idx(vq) != vq->last_avail_idx) && (vring_avail_flags(vq) & VRING_AVAIL_F_NO_INTERRUPT)) return; vdev->isr |= 0x01; virtio_update_irq(vdev); }
false
qemu
97b83deb557679c909465456acaa723c2ba34948
27,054
static int64_t allocate_cluster(BlockDriverState *bs, int64_t sector_num) { BDRVParallelsState *s = bs->opaque; uint32_t idx, offset, tmp; int64_t pos; int ret; idx = sector_num / s->tracks; offset = sector_num % s->tracks; if (idx >= s->catalog_size) { return -EINVAL; } if (s->catalog_bitmap[idx] != 0) { return (uint64_t)s->catalog_bitmap[idx] * s->off_multiplier + offset; } pos = bdrv_getlength(bs->file) >> BDRV_SECTOR_BITS; if (s->has_truncate) { ret = bdrv_truncate(bs->file, (pos + s->tracks) << BDRV_SECTOR_BITS); } else { ret = bdrv_write_zeroes(bs->file, pos, s->tracks, 0); } if (ret < 0) { return ret; } s->catalog_bitmap[idx] = pos / s->off_multiplier; tmp = cpu_to_le32(s->catalog_bitmap[idx]); ret = bdrv_pwrite(bs->file, sizeof(ParallelsHeader) + idx * sizeof(tmp), &tmp, sizeof(tmp)); if (ret < 0) { s->catalog_bitmap[idx] = 0; return ret; } return (uint64_t)s->catalog_bitmap[idx] * s->off_multiplier + offset; }
false
qemu
369f7de9d57e4dd2f312255fc12271d5749c0a4e
27,055
static int vdi_open(BlockDriverState *bs, QDict *options, int flags, Error **errp) { BDRVVdiState *s = bs->opaque; VdiHeader header; size_t bmap_size; int ret; logout("\n"); ret = bdrv_read(bs->file, 0, (uint8_t *)&header, 1); if (ret < 0) { goto fail; } vdi_header_to_cpu(&header); #if defined(CONFIG_VDI_DEBUG) vdi_header_print(&header); #endif if (header.disk_size % SECTOR_SIZE != 0) { /* 'VBoxManage convertfromraw' can create images with odd disk sizes. We accept them but round the disk size to the next multiple of SECTOR_SIZE. */ logout("odd disk size %" PRIu64 " B, round up\n", header.disk_size); header.disk_size += SECTOR_SIZE - 1; header.disk_size &= ~(SECTOR_SIZE - 1); } if (header.signature != VDI_SIGNATURE) { logout("bad vdi signature %08x\n", header.signature); ret = -EMEDIUMTYPE; goto fail; } else if (header.version != VDI_VERSION_1_1) { logout("unsupported version %u.%u\n", header.version >> 16, header.version & 0xffff); ret = -ENOTSUP; goto fail; } else if (header.offset_bmap % SECTOR_SIZE != 0) { /* We only support block maps which start on a sector boundary. */ logout("unsupported block map offset 0x%x B\n", header.offset_bmap); ret = -ENOTSUP; goto fail; } else if (header.offset_data % SECTOR_SIZE != 0) { /* We only support data blocks which start on a sector boundary. */ logout("unsupported data offset 0x%x B\n", header.offset_data); ret = -ENOTSUP; goto fail; } else if (header.sector_size != SECTOR_SIZE) { logout("unsupported sector size %u B\n", header.sector_size); ret = -ENOTSUP; goto fail; } else if (header.block_size != 1 * MiB) { logout("unsupported block size %u B\n", header.block_size); ret = -ENOTSUP; goto fail; } else if (header.disk_size > (uint64_t)header.blocks_in_image * header.block_size) { logout("unsupported disk size %" PRIu64 " B\n", header.disk_size); ret = -ENOTSUP; goto fail; } else if (!uuid_is_null(header.uuid_link)) { logout("link uuid != 0, unsupported\n"); ret = -ENOTSUP; goto fail; } else if (!uuid_is_null(header.uuid_parent)) { logout("parent uuid != 0, unsupported\n"); ret = -ENOTSUP; goto fail; } bs->total_sectors = header.disk_size / SECTOR_SIZE; s->block_size = header.block_size; s->block_sectors = header.block_size / SECTOR_SIZE; s->bmap_sector = header.offset_bmap / SECTOR_SIZE; s->header = header; bmap_size = header.blocks_in_image * sizeof(uint32_t); bmap_size = (bmap_size + SECTOR_SIZE - 1) / SECTOR_SIZE; s->bmap = g_malloc(bmap_size * SECTOR_SIZE); ret = bdrv_read(bs->file, s->bmap_sector, (uint8_t *)s->bmap, bmap_size); if (ret < 0) { goto fail_free_bmap; } /* Disable migration when vdi images are used */ error_set(&s->migration_blocker, QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED, "vdi", bs->device_name, "live migration"); migrate_add_blocker(s->migration_blocker); return 0; fail_free_bmap: g_free(s->bmap); fail: return ret; }
false
qemu
76abe4071d111a9ca6dcc9b9689a831c39ffa718
27,057
ThreadPool *aio_get_thread_pool(AioContext *ctx) { if (!ctx->thread_pool) { ctx->thread_pool = thread_pool_new(ctx); } return ctx->thread_pool; }
false
qemu
c2b38b277a7882a592f4f2ec955084b2b756daaa
27,059
static void string_serialize(void *native_in, void **datap, VisitorFunc visit, Error **errp) { StringSerializeData *d = g_malloc0(sizeof(*d)); d->sov = string_output_visitor_new(false); visit(string_output_get_visitor(d->sov), &native_in, errp); *datap = d; }
false
qemu
3b098d56979d2f7fd707c5be85555d114353a28d
27,061
void cpu_x86_update_cr3(CPUX86State *env) { if (env->cr[0] & CR0_PG_MASK) { #if defined(DEBUG_MMU) printf("CR3 update: CR3=%08x\n", env->cr[3]); #endif tlb_flush(env); } }
false
qemu
1ac157da77c863b62b1d2f467626a440d57cf17d
27,062
static inline void apply_8x8(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int dir, uint8_t **ref_picture, qpel_mc_func (*qpix_op)[16], op_pixels_func (*pix_op)[4]) { int dxy, mx, my, src_x, src_y; int i; int mb_x = s->mb_x; int mb_y = s->mb_y; uint8_t *ptr, *dest; mx = 0; my = 0; if (s->quarter_sample) { for (i = 0; i < 4; i++) { int motion_x = s->mv[dir][i][0]; int motion_y = s->mv[dir][i][1]; dxy = ((motion_y & 3) << 2) | (motion_x & 3); src_x = mb_x * 16 + (motion_x >> 2) + (i & 1) * 8; src_y = mb_y * 16 + (motion_y >> 2) + (i >> 1) * 8; /* WARNING: do no forget half pels */ src_x = av_clip(src_x, -16, s->width); if (src_x == s->width) dxy &= ~3; src_y = av_clip(src_y, -16, s->height); if (src_y == s->height) dxy &= ~12; ptr = ref_picture[0] + (src_y * s->linesize) + (src_x); if ((unsigned)src_x > FFMAX(s->h_edge_pos - (motion_x & 3) - 8, 0) || (unsigned)src_y > FFMAX(s->v_edge_pos - (motion_y & 3) - 8, 0)) { s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr, s->linesize, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos); ptr = s->edge_emu_buffer; } dest = dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize; qpix_op[1][dxy](dest, ptr, s->linesize); mx += s->mv[dir][i][0] / 2; my += s->mv[dir][i][1] / 2; } } else { for (i = 0; i < 4; i++) { hpel_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize, ref_picture[0], mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >> 1) * 8, pix_op[1], s->mv[dir][i][0], s->mv[dir][i][1]); mx += s->mv[dir][i][0]; my += s->mv[dir][i][1]; } } if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) chroma_4mv_motion(s, dest_cb, dest_cr, ref_picture, pix_op[1], mx, my); }
false
FFmpeg
8849c4ceac0f35e88b2dc406bf5ffc4173a38ffe
27,063
void mpeg_motion_internal(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int field_based, int bottom_field, int field_select, uint8_t **ref_picture, op_pixels_func (*pix_op)[4], int motion_x, int motion_y, int h, int is_mpeg12, int mb_y) { uint8_t *ptr_y, *ptr_cb, *ptr_cr; int dxy, uvdxy, mx, my, src_x, src_y, uvsrc_x, uvsrc_y, v_edge_pos; ptrdiff_t uvlinesize, linesize; #if 0 if (s->quarter_sample) { motion_x >>= 1; motion_y >>= 1; } #endif v_edge_pos = s->v_edge_pos >> field_based; linesize = s->current_picture.f->linesize[0] << field_based; uvlinesize = s->current_picture.f->linesize[1] << field_based; dxy = ((motion_y & 1) << 1) | (motion_x & 1); src_x = s->mb_x * 16 + (motion_x >> 1); src_y = (mb_y << (4 - field_based)) + (motion_y >> 1); if (!is_mpeg12 && s->out_format == FMT_H263) { if ((s->workaround_bugs & FF_BUG_HPEL_CHROMA) && field_based) { mx = (motion_x >> 1) | (motion_x & 1); my = motion_y >> 1; uvdxy = ((my & 1) << 1) | (mx & 1); uvsrc_x = s->mb_x * 8 + (mx >> 1); uvsrc_y = (mb_y << (3 - field_based)) + (my >> 1); } else { uvdxy = dxy | (motion_y & 2) | ((motion_x & 2) >> 1); uvsrc_x = src_x >> 1; uvsrc_y = src_y >> 1; } // Even chroma mv's are full pel in H261 } else if (!is_mpeg12 && s->out_format == FMT_H261) { mx = motion_x / 4; my = motion_y / 4; uvdxy = 0; uvsrc_x = s->mb_x * 8 + mx; uvsrc_y = mb_y * 8 + my; } else { if (s->chroma_y_shift) { mx = motion_x / 2; my = motion_y / 2; uvdxy = ((my & 1) << 1) | (mx & 1); uvsrc_x = s->mb_x * 8 + (mx >> 1); uvsrc_y = (mb_y << (3 - field_based)) + (my >> 1); } else { if (s->chroma_x_shift) { // Chroma422 mx = motion_x / 2; uvdxy = ((motion_y & 1) << 1) | (mx & 1); uvsrc_x = s->mb_x * 8 + (mx >> 1); uvsrc_y = src_y; } else { // Chroma444 uvdxy = dxy; uvsrc_x = src_x; uvsrc_y = src_y; } } } ptr_y = ref_picture[0] + src_y * linesize + src_x; ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x; ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x; if ((unsigned)src_x > FFMAX(s->h_edge_pos - (motion_x & 1) - 16, 0) || (unsigned)src_y > FFMAX(v_edge_pos - (motion_y & 1) - h, 0)) { if (is_mpeg12 || s->codec_id == AV_CODEC_ID_MPEG2VIDEO || s->codec_id == AV_CODEC_ID_MPEG1VIDEO) { av_log(s->avctx, AV_LOG_DEBUG, "MPEG motion vector out of boundary (%d %d)\n", src_x, src_y); return; } s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr_y, s->linesize, s->linesize, 17, 17 + field_based, src_x, src_y << field_based, s->h_edge_pos, s->v_edge_pos); ptr_y = s->sc.edge_emu_buffer; if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) { uint8_t *uvbuf = s->sc.edge_emu_buffer + 18 * s->linesize; s->vdsp.emulated_edge_mc(uvbuf, ptr_cb, s->uvlinesize, s->uvlinesize, 9, 9 + field_based, uvsrc_x, uvsrc_y << field_based, s->h_edge_pos >> 1, s->v_edge_pos >> 1); s->vdsp.emulated_edge_mc(uvbuf + 16, ptr_cr, s->uvlinesize, s->uvlinesize, 9, 9 + field_based, uvsrc_x, uvsrc_y << field_based, s->h_edge_pos >> 1, s->v_edge_pos >> 1); ptr_cb = uvbuf; ptr_cr = uvbuf + 16; } } /* FIXME use this for field pix too instead of the obnoxious hack which * changes picture.data */ if (bottom_field) { dest_y += s->linesize; dest_cb += s->uvlinesize; dest_cr += s->uvlinesize; } if (field_select) { ptr_y += s->linesize; ptr_cb += s->uvlinesize; ptr_cr += s->uvlinesize; } pix_op[0][dxy](dest_y, ptr_y, linesize, h); if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) { pix_op[s->chroma_x_shift][uvdxy] (dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift); pix_op[s->chroma_x_shift][uvdxy] (dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift); } if (!is_mpeg12 && (CONFIG_H261_ENCODER || CONFIG_H261_DECODER) && s->out_format == FMT_H261) { ff_h261_loop_filter(s); } }
false
FFmpeg
0242351390643d176b10600c2eb854414f9559e6
27,064
static void parse_palette_segment(AVCodecContext *avctx, const uint8_t *buf, int buf_size) { PGSSubContext *ctx = avctx->priv_data; const uint8_t *buf_end = buf + buf_size; const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP; int color_id; int y, cb, cr, alpha; int r, g, b, r_add, g_add, b_add; /* Skip two null bytes */ buf += 2; while (buf < buf_end) { color_id = bytestream_get_byte(&buf); y = bytestream_get_byte(&buf); cr = bytestream_get_byte(&buf); cb = bytestream_get_byte(&buf); alpha = bytestream_get_byte(&buf); YUV_TO_RGB1(cb, cr); YUV_TO_RGB2(r, g, b, y); av_dlog(avctx, "Color %d := (%d,%d,%d,%d)\n", color_id, r, g, b, alpha); /* Store color in palette */ ctx->clut[color_id] = RGBA(r,g,b,alpha); } }
false
FFmpeg
253d0be6a1ecc343d29ff8e1df0ddf961ab9c772
27,065
static int transcode(OutputFile *output_files, int nb_output_files, InputFile *input_files, int nb_input_files) { int ret, i; AVFormatContext *is, *os; OutputStream *ost; InputStream *ist; uint8_t *no_packet; int no_packet_count = 0; int64_t timer_start; int key; if (!(no_packet = av_mallocz(nb_input_files))) exit_program(1); ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files); if (ret < 0) goto fail; if (!using_stdin) { av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n"); } timer_start = av_gettime(); for (; received_sigterm == 0;) { int file_index, ist_index; AVPacket pkt; int64_t ipts_min; double opts_min; int64_t cur_time= av_gettime(); ipts_min = INT64_MAX; opts_min = 1e100; /* if 'q' pressed, exits */ if (!using_stdin) { static int64_t last_time; if (received_nb_signals) break; /* read_key() returns 0 on EOF */ if(cur_time - last_time >= 100000 && !run_as_daemon){ key = read_key(); last_time = cur_time; }else key = -1; if (key == 'q') break; if (key == '+') av_log_set_level(av_log_get_level()+10); if (key == '-') av_log_set_level(av_log_get_level()-10); if (key == 's') qp_hist ^= 1; if (key == 'h'){ if (do_hex_dump){ do_hex_dump = do_pkt_dump = 0; } else if(do_pkt_dump){ do_hex_dump = 1; } else do_pkt_dump = 1; av_log_set_level(AV_LOG_DEBUG); } #if CONFIG_AVFILTER if (key == 'c' || key == 'C'){ char buf[4096], target[64], command[256], arg[256] = {0}; double time; int k, n = 0; fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n"); i = 0; while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1) if (k > 0) buf[i++] = k; buf[i] = 0; if (k > 0 && (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) { av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s", target, time, command, arg); for (i = 0; i < nb_output_streams; i++) { ost = &output_streams[i]; if (ost->graph) { if (time < 0) { ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf), key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0); fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf); } else { ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time); } } } } else { av_log(NULL, AV_LOG_ERROR, "Parse error, at least 3 arguments were expected, " "only %d given in string '%s'\n", n, buf); } } #endif if (key == 'd' || key == 'D'){ int debug=0; if(key == 'D') { debug = input_streams[0].st->codec->debug<<1; if(!debug) debug = 1; while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash debug += debug; }else if(scanf("%d", &debug)!=1) fprintf(stderr,"error parsing debug value\n"); for(i=0;i<nb_input_streams;i++) { input_streams[i].st->codec->debug = debug; } for(i=0;i<nb_output_streams;i++) { ost = &output_streams[i]; ost->st->codec->debug = debug; } if(debug) av_log_set_level(AV_LOG_DEBUG); fprintf(stderr,"debug=%d\n", debug); } if (key == '?'){ fprintf(stderr, "key function\n" "? show this help\n" "+ increase verbosity\n" "- decrease verbosity\n" "c Send command to filtergraph\n" "D cycle through available debug modes\n" "h dump packets/hex press to cycle through the 3 states\n" "q quit\n" "s Show QP histogram\n" ); } } /* select the stream that we must read now by looking at the smallest output pts */ file_index = -1; for (i = 0; i < nb_output_streams; i++) { OutputFile *of; int64_t ipts; double opts; ost = &output_streams[i]; of = &output_files[ost->file_index]; os = output_files[ost->file_index].ctx; ist = &input_streams[ost->source_index]; if (ost->is_past_recording_time || no_packet[ist->file_index] || (os->pb && avio_tell(os->pb) >= of->limit_filesize)) continue; opts = ost->st->pts.val * av_q2d(ost->st->time_base); ipts = ist->pts; if (!input_files[ist->file_index].eof_reached) { if (ipts < ipts_min) { ipts_min = ipts; if (input_sync) file_index = ist->file_index; } if (opts < opts_min) { opts_min = opts; if (!input_sync) file_index = ist->file_index; } } if (ost->frame_number >= ost->max_frames) { int j; for (j = 0; j < of->ctx->nb_streams; j++) output_streams[of->ost_index + j].is_past_recording_time = 1; continue; } } /* if none, if is finished */ if (file_index < 0) { if (no_packet_count) { no_packet_count = 0; memset(no_packet, 0, nb_input_files); usleep(10000); continue; } break; } /* read a frame from it and output it in the fifo */ is = input_files[file_index].ctx; ret = av_read_frame(is, &pkt); if (ret == AVERROR(EAGAIN)) { no_packet[file_index] = 1; no_packet_count++; continue; } if (ret < 0) { input_files[file_index].eof_reached = 1; if (opt_shortest) break; else continue; } no_packet_count = 0; memset(no_packet, 0, nb_input_files); if (do_pkt_dump) { av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump, is->streams[pkt.stream_index]); } /* the following test is needed in case new streams appear dynamically in stream : we ignore them */ if (pkt.stream_index >= input_files[file_index].nb_streams) goto discard_packet; ist_index = input_files[file_index].ist_index + pkt.stream_index; ist = &input_streams[ist_index]; if (ist->discard) goto discard_packet; if (pkt.dts != AV_NOPTS_VALUE) pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base); if (pkt.pts != AV_NOPTS_VALUE) pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base); if (pkt.pts != AV_NOPTS_VALUE) pkt.pts *= ist->ts_scale; if (pkt.dts != AV_NOPTS_VALUE) pkt.dts *= ist->ts_scale; //fprintf(stderr, "next:%"PRId64" dts:%"PRId64"/%"PRId64" off:%"PRId64" %d\n", // ist->next_dts, // ist->dts, av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q), input_files[ist->file_index].ts_offset, // ist->st->codec->codec_type); if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && (is->iformat->flags & AVFMT_TS_DISCONT)) { int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q); int64_t delta = pkt_dts - ist->next_dts; if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE || (delta > 1LL*dts_delta_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) || pkt_dts+1<ist->pts)&& !copy_ts){ input_files[ist->file_index].ts_offset -= delta; av_log(NULL, AV_LOG_DEBUG, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files[ist->file_index].ts_offset); pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); if (pkt.pts != AV_NOPTS_VALUE) pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); } } // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size); if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) { av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n", ist->file_index, ist->st->index); if (exit_on_error) exit_program(1); av_free_packet(&pkt); continue; } discard_packet: av_free_packet(&pkt); /* dump report by using the output first video and audio streams */ print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time); } /* at the end of stream, we must flush the decoder buffers */ for (i = 0; i < nb_input_streams; i++) { ist = &input_streams[i]; if (ist->decoding_needed) { output_packet(ist, output_streams, nb_output_streams, NULL); } } flush_encoders(output_streams, nb_output_streams); term_exit(); /* write the trailer if needed and close file */ for (i = 0; i < nb_output_files; i++) { os = output_files[i].ctx; av_write_trailer(os); } /* dump report by using the first video and audio streams */ print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime()); /* close each encoder */ for (i = 0; i < nb_output_streams; i++) { ost = &output_streams[i]; if (ost->encoding_needed) { av_freep(&ost->st->codec->stats_in); avcodec_close(ost->st->codec); } #if CONFIG_AVFILTER avfilter_graph_free(&ost->graph); #endif } /* close each decoder */ for (i = 0; i < nb_input_streams; i++) { ist = &input_streams[i]; if (ist->decoding_needed) { avcodec_close(ist->st->codec); } } /* finished ! */ ret = 0; fail: av_freep(&no_packet); if (output_streams) { for (i = 0; i < nb_output_streams; i++) { ost = &output_streams[i]; if (ost) { if (ost->stream_copy) av_freep(&ost->st->codec->extradata); if (ost->logfile) { fclose(ost->logfile); ost->logfile = NULL; } av_fifo_free(ost->fifo); /* works even if fifo is not initialized but set to zero */ av_freep(&ost->st->codec->subtitle_header); av_free(ost->resample_frame.data[0]); av_free(ost->forced_kf_pts); if (ost->video_resample) sws_freeContext(ost->img_resample_ctx); swr_free(&ost->swr); av_dict_free(&ost->opts); } } } return ret; }
false
FFmpeg
29034e65039ef6b1854ceeb76ffe4092992d9fd5
27,066
void *av_realloc(void *ptr, size_t size) { #if CONFIG_MEMALIGN_HACK int diff; #endif /* let's disallow possible ambiguous cases */ if (size > (MAX_MALLOC_SIZE-16)) return NULL; #if CONFIG_MEMALIGN_HACK //FIXME this isn't aligned correctly, though it probably isn't needed if(!ptr) return av_malloc(size); diff= ((char*)ptr)[-1]; return (char*)realloc((char*)ptr - diff, size + diff) + diff; #else return realloc(ptr, size + !size); #endif }
false
FFmpeg
fc11927890f38445a950b453d24928525da0e61a
27,068
static av_cold int raw_close_decoder(AVCodecContext *avctx) { RawVideoContext *context = avctx->priv_data; av_freep(&context->buffer); return 0; }
false
FFmpeg
6184fa2067ccf88e68a7009442cf01440e59d99c
27,070
static int mc_subpel(DiracContext *s, DiracBlock *block, const uint8_t *src[5], int x, int y, int ref, int plane) { Plane *p = &s->plane[plane]; uint8_t **ref_hpel = s->ref_pics[ref]->hpel[plane]; int motion_x = block->u.mv[ref][0]; int motion_y = block->u.mv[ref][1]; int mx, my, i, epel, nplanes = 0; if (plane) { motion_x >>= s->chroma_x_shift; motion_y >>= s->chroma_y_shift; } mx = motion_x & ~(-1 << s->mv_precision); my = motion_y & ~(-1 << s->mv_precision); motion_x >>= s->mv_precision; motion_y >>= s->mv_precision; /* normalize subpel coordinates to epel */ /* TODO: template this function? */ mx <<= 3 - s->mv_precision; my <<= 3 - s->mv_precision; x += motion_x; y += motion_y; epel = (mx|my)&1; /* hpel position */ if (!((mx|my)&3)) { nplanes = 1; src[0] = ref_hpel[(my>>1)+(mx>>2)] + y*p->stride + x; } else { /* qpel or epel */ nplanes = 4; for (i = 0; i < 4; i++) src[i] = ref_hpel[i] + y*p->stride + x; /* if we're interpolating in the right/bottom halves, adjust the planes as needed we increment x/y because the edge changes for half of the pixels */ if (mx > 4) { src[0] += 1; src[2] += 1; x++; } if (my > 4) { src[0] += p->stride; src[1] += p->stride; y++; } /* hpel planes are: [0]: F [1]: H [2]: V [3]: C */ if (!epel) { /* check if we really only need 2 planes since either mx or my is a hpel position. (epel weights of 0 handle this there) */ if (!(mx&3)) { /* mx == 0: average [0] and [2] mx == 4: average [1] and [3] */ src[!mx] = src[2 + !!mx]; nplanes = 2; } else if (!(my&3)) { src[0] = src[(my>>1) ]; src[1] = src[(my>>1)+1]; nplanes = 2; } } else { /* adjust the ordering if needed so the weights work */ if (mx > 4) { FFSWAP(const uint8_t *, src[0], src[1]); FFSWAP(const uint8_t *, src[2], src[3]); } if (my > 4) { FFSWAP(const uint8_t *, src[0], src[2]); FFSWAP(const uint8_t *, src[1], src[3]); } src[4] = epel_weights[my&3][mx&3]; } } /* fixme: v/h _edge_pos */ if (x + p->xblen > p->width +EDGE_WIDTH/2 || y + p->yblen > p->height+EDGE_WIDTH/2 || x < 0 || y < 0) { for (i = 0; i < nplanes; i++) { ff_emulated_edge_mc(s->edge_emu_buffer[i], src[i], p->stride, p->stride, p->xblen, p->yblen, x, y, p->width+EDGE_WIDTH/2, p->height+EDGE_WIDTH/2); src[i] = s->edge_emu_buffer[i]; } } return (nplanes>>1) + epel; }
true
FFmpeg
b8598f6ce61ccda3f2ff0c730b009fb650e42986
27,071
int kvm_arch_init_vcpu(CPUState *cs) { struct { struct kvm_cpuid2 cpuid; struct kvm_cpuid_entry2 entries[KVM_MAX_CPUID_ENTRIES]; } QEMU_PACKED cpuid_data; X86CPU *cpu = X86_CPU(cs); CPUX86State *env = &cpu->env; uint32_t limit, i, j, cpuid_i; uint32_t unused; struct kvm_cpuid_entry2 *c; uint32_t signature[3]; int r; cpuid_i = 0; /* Paravirtualization CPUIDs */ c = &cpuid_data.entries[cpuid_i++]; memset(c, 0, sizeof(*c)); c->function = KVM_CPUID_SIGNATURE; if (!hyperv_enabled(cpu)) { memcpy(signature, "KVMKVMKVM\0\0\0", 12); c->eax = 0; } else { memcpy(signature, "Microsoft Hv", 12); c->eax = HYPERV_CPUID_MIN; } c->ebx = signature[0]; c->ecx = signature[1]; c->edx = signature[2]; c = &cpuid_data.entries[cpuid_i++]; memset(c, 0, sizeof(*c)); c->function = KVM_CPUID_FEATURES; c->eax = env->features[FEAT_KVM]; if (hyperv_enabled(cpu)) { memcpy(signature, "Hv#1\0\0\0\0\0\0\0\0", 12); c->eax = signature[0]; c = &cpuid_data.entries[cpuid_i++]; memset(c, 0, sizeof(*c)); c->function = HYPERV_CPUID_VERSION; c->eax = 0x00001bbc; c->ebx = 0x00060001; c = &cpuid_data.entries[cpuid_i++]; memset(c, 0, sizeof(*c)); c->function = HYPERV_CPUID_FEATURES; if (cpu->hyperv_relaxed_timing) { c->eax |= HV_X64_MSR_HYPERCALL_AVAILABLE; } if (cpu->hyperv_vapic) { c->eax |= HV_X64_MSR_HYPERCALL_AVAILABLE; c->eax |= HV_X64_MSR_APIC_ACCESS_AVAILABLE; } c = &cpuid_data.entries[cpuid_i++]; memset(c, 0, sizeof(*c)); c->function = HYPERV_CPUID_ENLIGHTMENT_INFO; if (cpu->hyperv_relaxed_timing) { c->eax |= HV_X64_RELAXED_TIMING_RECOMMENDED; } if (cpu->hyperv_vapic) { c->eax |= HV_X64_APIC_ACCESS_RECOMMENDED; } c->ebx = cpu->hyperv_spinlock_attempts; c = &cpuid_data.entries[cpuid_i++]; memset(c, 0, sizeof(*c)); c->function = HYPERV_CPUID_IMPLEMENT_LIMITS; c->eax = 0x40; c->ebx = 0x40; c = &cpuid_data.entries[cpuid_i++]; memset(c, 0, sizeof(*c)); c->function = KVM_CPUID_SIGNATURE_NEXT; memcpy(signature, "KVMKVMKVM\0\0\0", 12); c->eax = 0; c->ebx = signature[0]; c->ecx = signature[1]; c->edx = signature[2]; } has_msr_async_pf_en = c->eax & (1 << KVM_FEATURE_ASYNC_PF); has_msr_pv_eoi_en = c->eax & (1 << KVM_FEATURE_PV_EOI); has_msr_kvm_steal_time = c->eax & (1 << KVM_FEATURE_STEAL_TIME); cpu_x86_cpuid(env, 0, 0, &limit, &unused, &unused, &unused); for (i = 0; i <= limit; i++) { if (cpuid_i == KVM_MAX_CPUID_ENTRIES) { fprintf(stderr, "unsupported level value: 0x%x\n", limit); abort(); } c = &cpuid_data.entries[cpuid_i++]; switch (i) { case 2: { /* Keep reading function 2 till all the input is received */ int times; c->function = i; c->flags = KVM_CPUID_FLAG_STATEFUL_FUNC | KVM_CPUID_FLAG_STATE_READ_NEXT; cpu_x86_cpuid(env, i, 0, &c->eax, &c->ebx, &c->ecx, &c->edx); times = c->eax & 0xff; for (j = 1; j < times; ++j) { if (cpuid_i == KVM_MAX_CPUID_ENTRIES) { fprintf(stderr, "cpuid_data is full, no space for " "cpuid(eax:2):eax & 0xf = 0x%x\n", times); abort(); } c = &cpuid_data.entries[cpuid_i++]; c->function = i; c->flags = KVM_CPUID_FLAG_STATEFUL_FUNC; cpu_x86_cpuid(env, i, 0, &c->eax, &c->ebx, &c->ecx, &c->edx); } break; } case 4: case 0xb: case 0xd: for (j = 0; ; j++) { if (i == 0xd && j == 64) { break; } c->function = i; c->flags = KVM_CPUID_FLAG_SIGNIFCANT_INDEX; c->index = j; cpu_x86_cpuid(env, i, j, &c->eax, &c->ebx, &c->ecx, &c->edx); if (i == 4 && c->eax == 0) { break; } if (i == 0xb && !(c->ecx & 0xff00)) { break; } if (i == 0xd && c->eax == 0) { continue; } if (cpuid_i == KVM_MAX_CPUID_ENTRIES) { fprintf(stderr, "cpuid_data is full, no space for " "cpuid(eax:0x%x,ecx:0x%x)\n", i, j); abort(); } c = &cpuid_data.entries[cpuid_i++]; } break; default: c->function = i; c->flags = 0; cpu_x86_cpuid(env, i, 0, &c->eax, &c->ebx, &c->ecx, &c->edx); break; } } if (limit >= 0x0a) { uint32_t ver; cpu_x86_cpuid(env, 0x0a, 0, &ver, &unused, &unused, &unused); if ((ver & 0xff) > 0) { has_msr_architectural_pmu = true; num_architectural_pmu_counters = (ver & 0xff00) >> 8; /* Shouldn't be more than 32, since that's the number of bits * available in EBX to tell us _which_ counters are available. * Play it safe. */ if (num_architectural_pmu_counters > MAX_GP_COUNTERS) { num_architectural_pmu_counters = MAX_GP_COUNTERS; } } } cpu_x86_cpuid(env, 0x80000000, 0, &limit, &unused, &unused, &unused); for (i = 0x80000000; i <= limit; i++) { if (cpuid_i == KVM_MAX_CPUID_ENTRIES) { fprintf(stderr, "unsupported xlevel value: 0x%x\n", limit); abort(); } c = &cpuid_data.entries[cpuid_i++]; c->function = i; c->flags = 0; cpu_x86_cpuid(env, i, 0, &c->eax, &c->ebx, &c->ecx, &c->edx); } /* Call Centaur's CPUID instructions they are supported. */ if (env->cpuid_xlevel2 > 0) { cpu_x86_cpuid(env, 0xC0000000, 0, &limit, &unused, &unused, &unused); for (i = 0xC0000000; i <= limit; i++) { if (cpuid_i == KVM_MAX_CPUID_ENTRIES) { fprintf(stderr, "unsupported xlevel2 value: 0x%x\n", limit); abort(); } c = &cpuid_data.entries[cpuid_i++]; c->function = i; c->flags = 0; cpu_x86_cpuid(env, i, 0, &c->eax, &c->ebx, &c->ecx, &c->edx); } } cpuid_data.cpuid.nent = cpuid_i; if (((env->cpuid_version >> 8)&0xF) >= 6 && (env->features[FEAT_1_EDX] & (CPUID_MCE | CPUID_MCA)) == (CPUID_MCE | CPUID_MCA) && kvm_check_extension(cs->kvm_state, KVM_CAP_MCE) > 0) { uint64_t mcg_cap; int banks; int ret; ret = kvm_get_mce_cap_supported(cs->kvm_state, &mcg_cap, &banks); if (ret < 0) { fprintf(stderr, "kvm_get_mce_cap_supported: %s", strerror(-ret)); return ret; } if (banks > MCE_BANKS_DEF) { banks = MCE_BANKS_DEF; } mcg_cap &= MCE_CAP_DEF; mcg_cap |= banks; ret = kvm_vcpu_ioctl(cs, KVM_X86_SETUP_MCE, &mcg_cap); if (ret < 0) { fprintf(stderr, "KVM_X86_SETUP_MCE: %s", strerror(-ret)); return ret; } env->mcg_cap = mcg_cap; } qemu_add_vm_change_state_handler(cpu_update_state, env); c = cpuid_find_entry(&cpuid_data.cpuid, 1, 0); if (c) { has_msr_feature_control = !!(c->ecx & CPUID_EXT_VMX) || !!(c->ecx & CPUID_EXT_SMX); } cpuid_data.cpuid.padding = 0; r = kvm_vcpu_ioctl(cs, KVM_SET_CPUID2, &cpuid_data); if (r) { return r; } r = kvm_check_extension(cs->kvm_state, KVM_CAP_TSC_CONTROL); if (r && env->tsc_khz) { r = kvm_vcpu_ioctl(cs, KVM_SET_TSC_KHZ, env->tsc_khz); if (r < 0) { fprintf(stderr, "KVM_SET_TSC_KHZ failed\n"); return r; } } if (kvm_has_xsave()) { env->kvm_xsave_buf = qemu_memalign(4096, sizeof(struct kvm_xsave)); } return 0; }
true
qemu
ef4cbe14342c1f63b3c754e306218f004f4e26c4
27,073
static QObject *pci_get_dev_dict(PCIDevice *dev, PCIBus *bus, int bus_num) { int class; QObject *obj; obj = qobject_from_jsonf("{ 'bus': %d, 'slot': %d, 'function': %d," "'class_info': %p, 'id': %p, 'regions': %p," " 'qdev_id': %s }", bus_num, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn), pci_get_dev_class(dev), pci_get_dev_id(dev), pci_get_regions_list(dev), dev->qdev.id ? dev->qdev.id : ""); if (dev->config[PCI_INTERRUPT_PIN] != 0) { QDict *qdict = qobject_to_qdict(obj); qdict_put(qdict, "irq", qint_from_int(dev->config[PCI_INTERRUPT_LINE])); } class = pci_get_word(dev->config + PCI_CLASS_DEVICE); if (class == PCI_CLASS_BRIDGE_HOST || class == PCI_CLASS_BRIDGE_PCI) { QDict *qdict; QObject *pci_bridge; pci_bridge = qobject_from_jsonf("{ 'bus': " "{ 'number': %d, 'secondary': %d, 'subordinate': %d }, " "'io_range': { 'base': %" PRId64 ", 'limit': %" PRId64 "}, " "'memory_range': { 'base': %" PRId64 ", 'limit': %" PRId64 "}, " "'prefetchable_range': { 'base': %" PRId64 ", 'limit': %" PRId64 "} }", dev->config[PCI_PRIMARY_BUS], dev->config[PCI_SECONDARY_BUS], dev->config[PCI_SUBORDINATE_BUS], pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_IO), pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_IO), pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_MEMORY), pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_MEMORY), pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_PREFETCH), pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_PREFETCH)); if (dev->config[PCI_SECONDARY_BUS] != 0) { PCIBus *child_bus = pci_find_bus(bus, dev->config[PCI_SECONDARY_BUS]); if (child_bus) { qdict = qobject_to_qdict(pci_bridge); qdict_put_obj(qdict, "devices", pci_get_devices_list(child_bus, dev->config[PCI_SECONDARY_BUS])); } } qdict = qobject_to_qdict(obj); qdict_put_obj(qdict, "pci_bridge", pci_bridge); } return obj; }
true
qemu
b5937f297819bec5bf704dda1df9807fc7f0a766
27,074
static int decode_block_progressive(MJpegDecodeContext *s, int16_t *block, uint8_t *last_nnz, int ac_index, int16_t *quant_matrix, int ss, int se, int Al, int *EOBRUN) { int code, i, j, level, val, run; if (*EOBRUN) { (*EOBRUN)--; return 0; } { OPEN_READER(re, &s->gb); for (i = ss; ; i++) { UPDATE_CACHE(re, &s->gb); GET_VLC(code, re, &s->gb, s->vlcs[2][ac_index].table, 9, 2); run = ((unsigned) code) >> 4; code &= 0xF; if (code) { i += run; if (code > MIN_CACHE_BITS - 16) UPDATE_CACHE(re, &s->gb); { int cache = GET_CACHE(re, &s->gb); int sign = (~cache) >> 31; level = (NEG_USR32(sign ^ cache,code) ^ sign) - sign; } LAST_SKIP_BITS(re, &s->gb, code); if (i >= se) { if (i == se) { j = s->scantable.permutated[se]; block[j] = level * quant_matrix[j] << Al; break; } av_log(s->avctx, AV_LOG_ERROR, "error count: %d\n", i); return AVERROR_INVALIDDATA; } j = s->scantable.permutated[i]; block[j] = level * quant_matrix[j] << Al; } else { if (run == 0xF) {// ZRL - skip 15 coefficients i += 15; if (i >= se) { av_log(s->avctx, AV_LOG_ERROR, "ZRL overflow: %d\n", i); return AVERROR_INVALIDDATA; } } else { val = (1 << run); if (run) { UPDATE_CACHE(re, &s->gb); val += NEG_USR32(GET_CACHE(re, &s->gb), run); LAST_SKIP_BITS(re, &s->gb, run); } *EOBRUN = val - 1; break; } } } CLOSE_READER(re, &s->gb); } if (i > *last_nnz) *last_nnz = i; return 0; }
true
FFmpeg
c9220d5b06536ac359166214b4131a1f15244617
27,075
static void *bsd_vmalloc(size_t size) { void *p; mmap_lock(); /* Use map and mark the pages as used. */ p = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0); if (h2g_valid(p)) { /* Allocated region overlaps guest address space. This may recurse. */ abi_ulong addr = h2g(p); page_set_flags(addr & TARGET_PAGE_MASK, TARGET_PAGE_ALIGN(addr + size), PAGE_RESERVED); } mmap_unlock(); return p; }
true
qemu
b7b5233ad7fdd9985bb6d05b7919f3a20723ff2c
27,076
void rgb32tobgr24(const uint8_t *src, uint8_t *dst, long src_size) { long i; long num_pixels = src_size >> 2; for(i=0; i<num_pixels; i++) { #ifdef WORDS_BIGENDIAN /* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */ dst[3*i + 0] = src[4*i + 1]; dst[3*i + 1] = src[4*i + 2]; dst[3*i + 2] = src[4*i + 3]; #else dst[3*i + 0] = src[4*i + 2]; dst[3*i + 1] = src[4*i + 1]; dst[3*i + 2] = src[4*i + 0]; #endif } }
true
FFmpeg
6e42e6c4b410dbef8b593c2d796a5dad95f89ee4
27,077
static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc, int srcW, int dstW, int filterAlign, int one, int flags, int cpu_flags, SwsVector *srcFilter, SwsVector *dstFilter, double param[2], int is_horizontal) { int i; int filterSize; int filter2Size; int minFilterSize; int64_t *filter=NULL; int64_t *filter2=NULL; const int64_t fone= 1LL<<54; int ret= -1; emms_c(); //FIXME this should not be required but it IS (even for non-MMX versions) // NOTE: the +3 is for the MMX(+1)/SSE(+3) scaler which reads over the end FF_ALLOC_OR_GOTO(NULL, *filterPos, (dstW+3)*sizeof(int16_t), fail); if (FFABS(xInc - 0x10000) <10) { // unscaled int i; filterSize= 1; FF_ALLOCZ_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail); for (i=0; i<dstW; i++) { filter[i*filterSize]= fone; (*filterPos)[i]=i; } } else if (flags&SWS_POINT) { // lame looking point sampling mode int i; int xDstInSrc; filterSize= 1; FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail); xDstInSrc= xInc/2 - 0x8000; for (i=0; i<dstW; i++) { int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16; (*filterPos)[i]= xx; filter[i]= fone; xDstInSrc+= xInc; } } else if ((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) { // bilinear upscale int i; int xDstInSrc; filterSize= 2; FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail); xDstInSrc= xInc/2 - 0x8000; for (i=0; i<dstW; i++) { int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16; int j; (*filterPos)[i]= xx; //bilinear upscale / linear interpolate / area averaging for (j=0; j<filterSize; j++) { int64_t coeff= fone - FFABS((xx<<16) - xDstInSrc)*(fone>>16); if (coeff<0) coeff=0; filter[i*filterSize + j]= coeff; xx++; } xDstInSrc+= xInc; } } else { int xDstInSrc; int sizeFactor; if (flags&SWS_BICUBIC) sizeFactor= 4; else if (flags&SWS_X) sizeFactor= 8; else if (flags&SWS_AREA) sizeFactor= 1; //downscale only, for upscale it is bilinear else if (flags&SWS_GAUSS) sizeFactor= 8; // infinite ;) else if (flags&SWS_LANCZOS) sizeFactor= param[0] != SWS_PARAM_DEFAULT ? ceil(2*param[0]) : 6; else if (flags&SWS_SINC) sizeFactor= 20; // infinite ;) else if (flags&SWS_SPLINE) sizeFactor= 20; // infinite ;) else if (flags&SWS_BILINEAR) sizeFactor= 2; else { sizeFactor= 0; //GCC warning killer assert(0); } if (xInc <= 1<<16) filterSize= 1 + sizeFactor; // upscale else filterSize= 1 + (sizeFactor*srcW + dstW - 1)/ dstW; if (filterSize > srcW-2) filterSize=srcW-2; FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail); xDstInSrc= xInc - 0x10000; for (i=0; i<dstW; i++) { int xx= (xDstInSrc - ((filterSize-2)<<16)) / (1<<17); int j; (*filterPos)[i]= xx; for (j=0; j<filterSize; j++) { int64_t d= ((int64_t)FFABS((xx<<17) - xDstInSrc))<<13; double floatd; int64_t coeff; if (xInc > 1<<16) d= d*dstW/srcW; floatd= d * (1.0/(1<<30)); if (flags & SWS_BICUBIC) { int64_t B= (param[0] != SWS_PARAM_DEFAULT ? param[0] : 0) * (1<<24); int64_t C= (param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6) * (1<<24); if (d >= 1LL<<31) { coeff = 0.0; } else { int64_t dd = (d * d) >> 30; int64_t ddd = (dd * d) >> 30; if (d < 1LL<<30) coeff = (12*(1<<24)-9*B-6*C)*ddd + (-18*(1<<24)+12*B+6*C)*dd + (6*(1<<24)-2*B)*(1<<30); else coeff = (-B-6*C)*ddd + (6*B+30*C)*dd + (-12*B-48*C)*d + (8*B+24*C)*(1<<30); } coeff *= fone>>(30+24); } /* else if (flags & SWS_X) { double p= param ? param*0.01 : 0.3; coeff = d ? sin(d*M_PI)/(d*M_PI) : 1.0; coeff*= pow(2.0, - p*d*d); }*/ else if (flags & SWS_X) { double A= param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0; double c; if (floatd<1.0) c = cos(floatd*M_PI); else c=-1.0; if (c<0.0) c= -pow(-c, A); else c= pow( c, A); coeff= (c*0.5 + 0.5)*fone; } else if (flags & SWS_AREA) { int64_t d2= d - (1<<29); if (d2*xInc < -(1LL<<(29+16))) coeff= 1.0 * (1LL<<(30+16)); else if (d2*xInc < (1LL<<(29+16))) coeff= -d2*xInc + (1LL<<(29+16)); else coeff=0.0; coeff *= fone>>(30+16); } else if (flags & SWS_GAUSS) { double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0; coeff = (pow(2.0, - p*floatd*floatd))*fone; } else if (flags & SWS_SINC) { coeff = (d ? sin(floatd*M_PI)/(floatd*M_PI) : 1.0)*fone; } else if (flags & SWS_LANCZOS) { double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0; coeff = (d ? sin(floatd*M_PI)*sin(floatd*M_PI/p)/(floatd*floatd*M_PI*M_PI/p) : 1.0)*fone; if (floatd>p) coeff=0; } else if (flags & SWS_BILINEAR) { coeff= (1<<30) - d; if (coeff<0) coeff=0; coeff *= fone >> 30; } else if (flags & SWS_SPLINE) { double p=-2.196152422706632; coeff = getSplineCoeff(1.0, 0.0, p, -p-1.0, floatd) * fone; } else { coeff= 0.0; //GCC warning killer assert(0); } filter[i*filterSize + j]= coeff; xx++; } xDstInSrc+= 2*xInc; } } /* apply src & dst Filter to filter -> filter2 av_free(filter); */ assert(filterSize>0); filter2Size= filterSize; if (srcFilter) filter2Size+= srcFilter->length - 1; if (dstFilter) filter2Size+= dstFilter->length - 1; assert(filter2Size>0); FF_ALLOCZ_OR_GOTO(NULL, filter2, filter2Size*dstW*sizeof(*filter2), fail); for (i=0; i<dstW; i++) { int j, k; if(srcFilter) { for (k=0; k<srcFilter->length; k++) { for (j=0; j<filterSize; j++) filter2[i*filter2Size + k + j] += srcFilter->coeff[k]*filter[i*filterSize + j]; } } else { for (j=0; j<filterSize; j++) filter2[i*filter2Size + j]= filter[i*filterSize + j]; } //FIXME dstFilter (*filterPos)[i]+= (filterSize-1)/2 - (filter2Size-1)/2; } av_freep(&filter); /* try to reduce the filter-size (step1 find size and shift left) */ // Assume it is near normalized (*0.5 or *2.0 is OK but * 0.001 is not). minFilterSize= 0; for (i=dstW-1; i>=0; i--) { int min= filter2Size; int j; int64_t cutOff=0.0; /* get rid of near zero elements on the left by shifting left */ for (j=0; j<filter2Size; j++) { int k; cutOff += FFABS(filter2[i*filter2Size]); if (cutOff > SWS_MAX_REDUCE_CUTOFF*fone) break; /* preserve monotonicity because the core can't handle the filter otherwise */ if (i<dstW-1 && (*filterPos)[i] >= (*filterPos)[i+1]) break; // move filter coefficients left for (k=1; k<filter2Size; k++) filter2[i*filter2Size + k - 1]= filter2[i*filter2Size + k]; filter2[i*filter2Size + k - 1]= 0; (*filterPos)[i]++; } cutOff=0; /* count near zeros on the right */ for (j=filter2Size-1; j>0; j--) { cutOff += FFABS(filter2[i*filter2Size + j]); if (cutOff > SWS_MAX_REDUCE_CUTOFF*fone) break; min--; } if (min>minFilterSize) minFilterSize= min; } if (HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC) { // we can handle the special case 4, // so we don't want to go to the full 8 if (minFilterSize < 5) filterAlign = 4; // We really don't want to waste our time // doing useless computation, so fall back on // the scalar C code for very small filters. // Vectorizing is worth it only if you have a // decent-sized vector. if (minFilterSize < 3) filterAlign = 1; } if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) { // special case for unscaled vertical filtering if (minFilterSize == 1 && filterAlign == 2) filterAlign= 1; } assert(minFilterSize > 0); filterSize= (minFilterSize +(filterAlign-1)) & (~(filterAlign-1)); assert(filterSize > 0); filter= av_malloc(filterSize*dstW*sizeof(*filter)); if (filterSize >= MAX_FILTER_SIZE*16/((flags&SWS_ACCURATE_RND) ? APCK_SIZE : 16) || !filter) goto fail; *outFilterSize= filterSize; if (flags&SWS_PRINT_INFO) av_log(NULL, AV_LOG_VERBOSE, "SwScaler: reducing / aligning filtersize %d -> %d\n", filter2Size, filterSize); /* try to reduce the filter-size (step2 reduce it) */ for (i=0; i<dstW; i++) { int j; for (j=0; j<filterSize; j++) { if (j>=filter2Size) filter[i*filterSize + j]= 0; else filter[i*filterSize + j]= filter2[i*filter2Size + j]; if((flags & SWS_BITEXACT) && j>=minFilterSize) filter[i*filterSize + j]= 0; } } //FIXME try to align filterPos if possible //fix borders if (is_horizontal) { for (i = 0; i < dstW; i++) { int j; if ((*filterPos)[i] < 0) { // move filter coefficients left to compensate for filterPos for (j = 1; j < filterSize; j++) { int left = FFMAX(j + (*filterPos)[i], 0); filter[i * filterSize + left] += filter[i * filterSize + j]; filter[i * filterSize + j ] = 0; } (*filterPos)[i] = 0; } if ((*filterPos)[i] + filterSize > srcW) { int shift = (*filterPos)[i] + filterSize - srcW; // move filter coefficients right to compensate for filterPos for (j = filterSize - 2; j >= 0; j--) { int right = FFMIN(j + shift, filterSize - 1); filter[i * filterSize + right] += filter[i * filterSize + j]; filter[i * filterSize + j ] = 0; } (*filterPos)[i] = srcW - filterSize; } } } // Note the +1 is for the MMX scaler which reads over the end /* align at 16 for AltiVec (needed by hScale_altivec_real) */ FF_ALLOCZ_OR_GOTO(NULL, *outFilter, *outFilterSize*(dstW+3)*sizeof(int16_t), fail); /* normalize & store in outFilter */ for (i=0; i<dstW; i++) { int j; int64_t error=0; int64_t sum=0; for (j=0; j<filterSize; j++) { sum+= filter[i*filterSize + j]; } sum= (sum + one/2)/ one; for (j=0; j<*outFilterSize; j++) { int64_t v= filter[i*filterSize + j] + error; int intV= ROUNDED_DIV(v, sum); (*outFilter)[i*(*outFilterSize) + j]= intV; error= v - intV*sum; } } (*filterPos)[dstW+0] = (*filterPos)[dstW+1] = (*filterPos)[dstW+2] = (*filterPos)[dstW-1]; // the MMX/SSE scaler will read over the end for (i=0; i<*outFilterSize; i++) { int k= (dstW - 1) * (*outFilterSize) + i; (*outFilter)[k + 1 * (*outFilterSize)] = (*outFilter)[k + 2 * (*outFilterSize)] = (*outFilter)[k + 3 * (*outFilterSize)] = (*outFilter)[k]; } ret=0; fail: av_free(filter); av_free(filter2); return ret; }
true
FFmpeg
dae2ce361a2b5fd9be1d43e5e8c00bdbc5f03e3d
27,078
static ssize_t usbnet_receive(VLANClientState *nc, const uint8_t *buf, size_t size) { USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque; struct rndis_packet_msg_type *msg; if (is_rndis(s)) { msg = (struct rndis_packet_msg_type *) s->in_buf; if (!s->rndis_state == RNDIS_DATA_INITIALIZED) return -1; if (size + sizeof(struct rndis_packet_msg_type) > sizeof(s->in_buf)) return -1; memset(msg, 0, sizeof(struct rndis_packet_msg_type)); msg->MessageType = cpu_to_le32(RNDIS_PACKET_MSG); msg->MessageLength = cpu_to_le32(size + sizeof(struct rndis_packet_msg_type)); msg->DataOffset = cpu_to_le32(sizeof(struct rndis_packet_msg_type) - 8); msg->DataLength = cpu_to_le32(size); /* msg->OOBDataOffset; * msg->OOBDataLength; * msg->NumOOBDataElements; * msg->PerPacketInfoOffset; * msg->PerPacketInfoLength; * msg->VcHandle; * msg->Reserved; */ memcpy(msg + 1, buf, size); s->in_len = size + sizeof(struct rndis_packet_msg_type); } else { if (size > sizeof(s->in_buf)) return -1; memcpy(s->in_buf, buf, size); s->in_len = size; } s->in_ptr = 0; return size; }
true
qemu
e7852674d5013bffd0bb8e822a7521f76677a60b
27,079
int unix_connect(const char *path) { QemuOpts *opts; int sock; opts = qemu_opts_create(&dummy_opts, NULL, 0); qemu_opt_set(opts, "path", path); sock = unix_connect_opts(opts); qemu_opts_del(opts); return sock; }
true
qemu
8be7e7e4c72c048b90e3482557954a24bba43ba7
27,080
static inline bool regime_translation_disabled(CPUARMState *env, ARMMMUIdx mmu_idx) { if (arm_feature(env, ARM_FEATURE_M)) { switch (env->v7m.mpu_ctrl[regime_is_secure(env, mmu_idx)] & (R_V7M_MPU_CTRL_ENABLE_MASK | R_V7M_MPU_CTRL_HFNMIENA_MASK)) { case R_V7M_MPU_CTRL_ENABLE_MASK: /* Enabled, but not for HardFault and NMI */ return mmu_idx == ARMMMUIdx_MNegPri || mmu_idx == ARMMMUIdx_MSNegPri; case R_V7M_MPU_CTRL_ENABLE_MASK | R_V7M_MPU_CTRL_HFNMIENA_MASK: /* Enabled for all cases */ return false; case 0: default: /* HFNMIENA set and ENABLE clear is UNPREDICTABLE, but * we warned about that in armv7m_nvic.c when the guest set it. */ return true; } } if (mmu_idx == ARMMMUIdx_S2NS) { return (env->cp15.hcr_el2 & HCR_VM) == 0; } return (regime_sctlr(env, mmu_idx) & SCTLR_M) == 0; }
true
qemu
62593718d77c06ad2b5e942727cead40775d2395
27,082
static void migration_instance_init(Object *obj) { MigrationState *ms = MIGRATION_OBJ(obj); ms->state = MIGRATION_STATUS_NONE; ms->xbzrle_cache_size = DEFAULT_MIGRATE_CACHE_SIZE; ms->mbps = -1; ms->parameters.tls_creds = g_strdup(""); ms->parameters.tls_hostname = g_strdup(""); }
false
qemu
8b0b29dcec59730e6b21b253a6b43271cb3d831b
27,084
static void do_stop_capture(Monitor *mon, const QDict *qdict) { int i; int n = qdict_get_int(qdict, "n"); CaptureState *s; for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) { if (i == n) { s->ops.destroy (s->opaque); LIST_REMOVE (s, entries); qemu_free (s); return; } } }
false
qemu
72cf2d4f0e181d0d3a3122e04129c58a95da713e
27,085
static void nbd_refresh_filename(BlockDriverState *bs) { QDict *opts = qdict_new(); const char *path = qdict_get_try_str(bs->options, "path"); const char *host = qdict_get_try_str(bs->options, "host"); const char *port = qdict_get_try_str(bs->options, "port"); const char *export = qdict_get_try_str(bs->options, "export"); qdict_put_obj(opts, "driver", QOBJECT(qstring_from_str("nbd"))); if (path && export) { snprintf(bs->exact_filename, sizeof(bs->exact_filename), "nbd+unix:///%s?socket=%s", export, path); } else if (path && !export) { snprintf(bs->exact_filename, sizeof(bs->exact_filename), "nbd+unix://?socket=%s", path); } else if (!path && export && port) { snprintf(bs->exact_filename, sizeof(bs->exact_filename), "nbd://%s:%s/%s", host, port, export); } else if (!path && export && !port) { snprintf(bs->exact_filename, sizeof(bs->exact_filename), "nbd://%s/%s", host, export); } else if (!path && !export && port) { snprintf(bs->exact_filename, sizeof(bs->exact_filename), "nbd://%s:%s", host, port); } else if (!path && !export && !port) { snprintf(bs->exact_filename, sizeof(bs->exact_filename), "nbd://%s", host); } if (path) { qdict_put_obj(opts, "path", QOBJECT(qstring_from_str(path))); } else if (port) { qdict_put_obj(opts, "host", QOBJECT(qstring_from_str(host))); qdict_put_obj(opts, "port", QOBJECT(qstring_from_str(port))); } else { qdict_put_obj(opts, "host", QOBJECT(qstring_from_str(host))); } if (export) { qdict_put_obj(opts, "export", QOBJECT(qstring_from_str(export))); } bs->full_open_options = opts; }
false
qemu
4cdd01d32ee6fe04f8d909bfd3708be6864873a2
27,086
static int select_input_picture(MpegEncContext *s) { int i, ret; for (i = 1; i < MAX_PICTURE_COUNT; i++) s->reordered_input_picture[i - 1] = s->reordered_input_picture[i]; s->reordered_input_picture[MAX_PICTURE_COUNT - 1] = NULL; /* set next picture type & ordering */ if (!s->reordered_input_picture[0] && s->input_picture[0]) { if (/*s->picture_in_gop_number >= s->gop_size ||*/ !s->next_picture_ptr || s->intra_only) { s->reordered_input_picture[0] = s->input_picture[0]; s->reordered_input_picture[0]->f->pict_type = AV_PICTURE_TYPE_I; s->reordered_input_picture[0]->f->coded_picture_number = s->coded_picture_number++; } else { int b_frames; if (s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor) { if (s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)) { // FIXME check that te gop check above is +-1 correct av_frame_unref(s->input_picture[0]->f); emms_c(); ff_vbv_update(s, 0); goto no_output_pic; } } if (s->avctx->flags & AV_CODEC_FLAG_PASS2) { for (i = 0; i < s->max_b_frames + 1; i++) { int pict_num = s->input_picture[0]->f->display_picture_number + i; if (pict_num >= s->rc_context.num_entries) break; if (!s->input_picture[i]) { s->rc_context.entry[pict_num - 1].new_pict_type = AV_PICTURE_TYPE_P; break; } s->input_picture[i]->f->pict_type = s->rc_context.entry[pict_num].new_pict_type; } } if (s->avctx->b_frame_strategy == 0) { b_frames = s->max_b_frames; while (b_frames && !s->input_picture[b_frames]) b_frames--; } else if (s->avctx->b_frame_strategy == 1) { for (i = 1; i < s->max_b_frames + 1; i++) { if (s->input_picture[i] && s->input_picture[i]->b_frame_score == 0) { s->input_picture[i]->b_frame_score = get_intra_count(s, s->input_picture[i ]->f->data[0], s->input_picture[i - 1]->f->data[0], s->linesize) + 1; } } for (i = 0; i < s->max_b_frames + 1; i++) { if (!s->input_picture[i] || s->input_picture[i]->b_frame_score - 1 > s->mb_num / s->avctx->b_sensitivity) break; } b_frames = FFMAX(0, i - 1); /* reset scores */ for (i = 0; i < b_frames + 1; i++) { s->input_picture[i]->b_frame_score = 0; } } else if (s->avctx->b_frame_strategy == 2) { b_frames = estimate_best_b_count(s); } else { av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n"); b_frames = 0; } emms_c(); for (i = b_frames - 1; i >= 0; i--) { int type = s->input_picture[i]->f->pict_type; if (type && type != AV_PICTURE_TYPE_B) b_frames = i; } if (s->input_picture[b_frames]->f->pict_type == AV_PICTURE_TYPE_B && b_frames == s->max_b_frames) { av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n"); } if (s->picture_in_gop_number + b_frames >= s->gop_size) { if ((s->mpv_flags & FF_MPV_FLAG_STRICT_GOP) && s->gop_size > s->picture_in_gop_number) { b_frames = s->gop_size - s->picture_in_gop_number - 1; } else { if (s->avctx->flags & AV_CODEC_FLAG_CLOSED_GOP) b_frames = 0; s->input_picture[b_frames]->f->pict_type = AV_PICTURE_TYPE_I; } } if ((s->avctx->flags & AV_CODEC_FLAG_CLOSED_GOP) && b_frames && s->input_picture[b_frames]->f->pict_type == AV_PICTURE_TYPE_I) b_frames--; s->reordered_input_picture[0] = s->input_picture[b_frames]; if (s->reordered_input_picture[0]->f->pict_type != AV_PICTURE_TYPE_I) s->reordered_input_picture[0]->f->pict_type = AV_PICTURE_TYPE_P; s->reordered_input_picture[0]->f->coded_picture_number = s->coded_picture_number++; for (i = 0; i < b_frames; i++) { s->reordered_input_picture[i + 1] = s->input_picture[i]; s->reordered_input_picture[i + 1]->f->pict_type = AV_PICTURE_TYPE_B; s->reordered_input_picture[i + 1]->f->coded_picture_number = s->coded_picture_number++; } } } no_output_pic: ff_mpeg_unref_picture(s->avctx, &s->new_picture); if (s->reordered_input_picture[0]) { s->reordered_input_picture[0]->reference = s->reordered_input_picture[0]->f->pict_type != AV_PICTURE_TYPE_B ? 3 : 0; if ((ret = ff_mpeg_ref_picture(s->avctx, &s->new_picture, s->reordered_input_picture[0]))) return ret; if (s->reordered_input_picture[0]->shared || s->avctx->rc_buffer_size) { // input is a shared pix, so we can't modifiy it -> alloc a new // one & ensure that the shared one is reuseable Picture *pic; int i = ff_find_unused_picture(s->avctx, s->picture, 0); if (i < 0) return i; pic = &s->picture[i]; pic->reference = s->reordered_input_picture[0]->reference; if (alloc_picture(s, pic, 0) < 0) { return -1; } ret = av_frame_copy_props(pic->f, s->reordered_input_picture[0]->f); if (ret < 0) return ret; /* mark us unused / free shared pic */ av_frame_unref(s->reordered_input_picture[0]->f); s->reordered_input_picture[0]->shared = 0; s->current_picture_ptr = pic; } else { // input is not a shared pix -> reuse buffer for current_pix s->current_picture_ptr = s->reordered_input_picture[0]; for (i = 0; i < 4; i++) { s->new_picture.f->data[i] += INPLACE_OFFSET; } } ff_mpeg_unref_picture(s->avctx, &s->current_picture); if ((ret = ff_mpeg_ref_picture(s->avctx, &s->current_picture, s->current_picture_ptr)) < 0) return ret; s->picture_number = s->new_picture.f->display_picture_number; } return 0; }
false
FFmpeg
0e6c8532215790bbe560a9eea4f3cc82bb55cf92
27,087
static inline void iwmmxt_store_reg(TCGv var, int reg) { tcg_gen_st_i64(var, cpu_env, offsetof(CPUState, iwmmxt.regs[reg])); }
false
qemu
a7812ae412311d7d47f8aa85656faadac9d64b56
27,089
static int msix_is_masked(PCIDevice *dev, int vector) { unsigned offset = vector * MSIX_ENTRY_SIZE + MSIX_VECTOR_CTRL; return dev->msix_table_page[offset] & MSIX_VECTOR_MASK; }
false
qemu
5b5cb08683b6715a2aca5314168e68ff0665912b
27,090
static void qed_aio_next_io(QEDAIOCB *acb) { BDRVQEDState *s = acb_to_s(acb); uint64_t offset; size_t len; int ret; trace_qed_aio_next_io(s, acb, 0, acb->cur_pos + acb->cur_qiov.size); if (acb->backing_qiov) { qemu_iovec_destroy(acb->backing_qiov); g_free(acb->backing_qiov); acb->backing_qiov = NULL; } acb->qiov_offset += acb->cur_qiov.size; acb->cur_pos += acb->cur_qiov.size; qemu_iovec_reset(&acb->cur_qiov); /* Complete request */ if (acb->cur_pos >= acb->end_pos) { qed_aio_complete(acb, 0); return; } /* Find next cluster and start I/O */ len = acb->end_pos - acb->cur_pos; ret = qed_find_cluster(s, &acb->request, acb->cur_pos, &len, &offset); if (ret < 0) { qed_aio_complete(acb, ret); return; } if (acb->flags & QED_AIOCB_WRITE) { ret = qed_aio_write_data(acb, ret, offset, len); } else { ret = qed_aio_read_data(acb, ret, offset, len); } if (ret < 0) { if (ret != -EINPROGRESS) { qed_aio_complete(acb, ret); } return; } qed_aio_next_io(acb); }
false
qemu
018598747c775394471ce4a341a1ce225a1738dc
27,091
writev_f(int argc, char **argv) { struct timeval t1, t2; int Cflag = 0, qflag = 0; int c, cnt; char *buf; int64_t offset; int total; int nr_iov; int pattern = 0xcd; QEMUIOVector qiov; while ((c = getopt(argc, argv, "CqP:")) != EOF) { switch (c) { case 'C': Cflag = 1; break; case 'q': qflag = 1; break; case 'P': pattern = atoi(optarg); break; default: return command_usage(&writev_cmd); } } if (optind > argc - 2) return command_usage(&writev_cmd); offset = cvtnum(argv[optind]); if (offset < 0) { printf("non-numeric length argument -- %s\n", argv[optind]); return 0; } optind++; if (offset & 0x1ff) { printf("offset %lld is not sector aligned\n", (long long)offset); return 0; } nr_iov = argc - optind; buf = create_iovec(&qiov, &argv[optind], nr_iov, pattern); gettimeofday(&t1, NULL); cnt = do_aio_writev(&qiov, offset, &total); gettimeofday(&t2, NULL); if (cnt < 0) { printf("writev failed: %s\n", strerror(-cnt)); goto out; } if (qflag) goto out; /* Finally, report back -- -C gives a parsable format */ t2 = tsub(t2, t1); print_report("wrote", &t2, offset, qiov.size, total, cnt, Cflag); out: qemu_io_free(buf); return 0; }
false
qemu
cf070d7ec0b8fb21faa9a630ed5cc66f90844a08
27,092
static void test_qemu_strtoull_decimal(void) { const char *str = "0123"; char f = 'X'; const char *endptr = &f; uint64_t res = 999; int err; err = qemu_strtoull(str, &endptr, 10, &res); g_assert_cmpint(err, ==, 0); g_assert_cmpint(res, ==, 123); g_assert(endptr == str + strlen(str)); str = "123"; endptr = &f; res = 999; err = qemu_strtoull(str, &endptr, 0, &res); g_assert_cmpint(err, ==, 0); g_assert_cmpint(res, ==, 123); g_assert(endptr == str + strlen(str)); }
false
qemu
bc7c08a2c375acb7ae4d433054415588b176d34c
27,093
static uint64_t imx_timerp_read(void *opaque, target_phys_addr_t offset, unsigned size) { IMXTimerPState *s = (IMXTimerPState *)opaque; DPRINTF("p-read(offset=%x)", offset >> 2); switch (offset >> 2) { case 0: /* Control Register */ DPRINTF("cr %x\n", s->cr); return s->cr; case 1: /* Status Register */ DPRINTF("int_level %x\n", s->int_level); return s->int_level; case 2: /* LR - ticks*/ DPRINTF("lr %x\n", s->lr); return s->lr; case 3: /* CMP */ DPRINTF("cmp %x\n", s->cmp); return s->cmp; case 4: /* CNT */ return ptimer_get_count(s->timer); } IPRINTF("imx_timerp_read: Bad offset %x\n", (int)offset >> 2); return 0; }
false
qemu
a8170e5e97ad17ca169c64ba87ae2f53850dab4c
27,094
static void tcg_out_brcond2(TCGContext *s, TCGCond cond, TCGReg al, TCGReg ah, TCGReg bl, TCGReg bh, int label_index) { TCGCond b_cond = TCG_COND_NE; TCGReg tmp = TCG_TMP1; /* With branches, we emit between 4 and 9 insns with 2 or 3 branches. With setcond, we emit between 3 and 10 insns and only 1 branch, which ought to get better branch prediction. */ switch (cond) { case TCG_COND_EQ: case TCG_COND_NE: b_cond = cond; tmp = tcg_out_reduce_eq2(s, TCG_TMP0, TCG_TMP1, al, ah, bl, bh); break; default: /* Minimize code size by preferring a compare not requiring INV. */ if (mips_cmp_map[cond] & MIPS_CMP_INV) { cond = tcg_invert_cond(cond); b_cond = TCG_COND_EQ; } tcg_out_setcond2(s, cond, tmp, al, ah, bl, bh); break; } tcg_out_brcond(s, b_cond, tmp, TCG_REG_ZERO, label_index); }
false
qemu
bec1631100323fac0900aea71043d5c4e22fc2fa
27,096
static void legacy_mouse_event(DeviceState *dev, QemuConsole *src, InputEvent *evt) { static const int bmap[INPUT_BUTTON__MAX] = { [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON, [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON, [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON, }; QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev; InputBtnEvent *btn; InputMoveEvent *move; switch (evt->type) { case INPUT_EVENT_KIND_BTN: btn = evt->u.btn; if (btn->down) { s->buttons |= bmap[btn->button]; } else { s->buttons &= ~bmap[btn->button]; } if (btn->down && btn->button == INPUT_BUTTON_WHEEL_UP) { s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque, s->axis[INPUT_AXIS_X], s->axis[INPUT_AXIS_Y], -1, s->buttons); } if (btn->down && btn->button == INPUT_BUTTON_WHEEL_DOWN) { s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque, s->axis[INPUT_AXIS_X], s->axis[INPUT_AXIS_Y], 1, s->buttons); } break; case INPUT_EVENT_KIND_ABS: move = evt->u.abs; s->axis[move->axis] = move->value; break; case INPUT_EVENT_KIND_REL: move = evt->u.rel; s->axis[move->axis] += move->value; break; default: break; } }
false
qemu
32bafa8fdd098d52fbf1102d5a5e48d29398c0aa
27,097
static int h264_slice_header_init(H264Context *h) { int nb_slices = (HAVE_THREADS && h->avctx->active_thread_type & FF_THREAD_SLICE) ? h->avctx->thread_count : 1; int i, ret; ff_set_sar(h->avctx, h->sps.sar); av_pix_fmt_get_chroma_sub_sample(h->avctx->pix_fmt, &h->chroma_x_shift, &h->chroma_y_shift); if (h->sps.timing_info_present_flag) { int64_t den = h->sps.time_scale; if (h->x264_build < 44U) den *= 2; av_reduce(&h->avctx->framerate.den, &h->avctx->framerate.num, h->sps.num_units_in_tick, den, 1 << 30); } ff_h264_free_tables(h); h->first_field = 0; h->prev_interlaced_frame = 1; init_scan_tables(h); ret = ff_h264_alloc_tables(h); if (ret < 0) { av_log(h->avctx, AV_LOG_ERROR, "Could not allocate memory\n"); return ret; } if (h->sps.bit_depth_luma < 8 || h->sps.bit_depth_luma > 10) { av_log(h->avctx, AV_LOG_ERROR, "Unsupported bit depth %d\n", h->sps.bit_depth_luma); return AVERROR_INVALIDDATA; } h->avctx->bits_per_raw_sample = h->sps.bit_depth_luma; h->pixel_shift = h->sps.bit_depth_luma > 8; h->chroma_format_idc = h->sps.chroma_format_idc; h->bit_depth_luma = h->sps.bit_depth_luma; ff_h264dsp_init(&h->h264dsp, h->sps.bit_depth_luma, h->sps.chroma_format_idc); ff_h264chroma_init(&h->h264chroma, h->sps.bit_depth_chroma); ff_h264qpel_init(&h->h264qpel, h->sps.bit_depth_luma); ff_h264_pred_init(&h->hpc, h->avctx->codec_id, h->sps.bit_depth_luma, h->sps.chroma_format_idc); ff_videodsp_init(&h->vdsp, h->sps.bit_depth_luma); if (nb_slices > H264_MAX_THREADS || (nb_slices > h->mb_height && h->mb_height)) { int max_slices; if (h->mb_height) max_slices = FFMIN(H264_MAX_THREADS, h->mb_height); else max_slices = H264_MAX_THREADS; av_log(h->avctx, AV_LOG_WARNING, "too many threads/slices %d," " reducing to %d\n", nb_slices, max_slices); nb_slices = max_slices; } h->slice_context_count = nb_slices; if (!HAVE_THREADS || !(h->avctx->active_thread_type & FF_THREAD_SLICE)) { ret = ff_h264_slice_context_init(h, &h->slice_ctx[0]); if (ret < 0) { av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n"); return ret; } } else { for (i = 0; i < h->slice_context_count; i++) { H264SliceContext *sl = &h->slice_ctx[i]; sl->h264 = h; sl->intra4x4_pred_mode = h->intra4x4_pred_mode + i * 8 * 2 * h->mb_stride; sl->mvd_table[0] = h->mvd_table[0] + i * 8 * 2 * h->mb_stride; sl->mvd_table[1] = h->mvd_table[1] + i * 8 * 2 * h->mb_stride; if ((ret = ff_h264_slice_context_init(h, sl)) < 0) { av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n"); return ret; } } } h->context_initialized = 1; return 0; }
false
FFmpeg
3176217c60ca7828712985092d9102d331ea4f3d
27,098
int ff_mpv_frame_start(MpegEncContext *s, AVCodecContext *avctx) { int i, ret; Picture *pic; s->mb_skipped = 0; /* mark & release old frames */ if (s->pict_type != AV_PICTURE_TYPE_B && s->last_picture_ptr && s->last_picture_ptr != s->next_picture_ptr && s->last_picture_ptr->f->buf[0]) { ff_mpeg_unref_picture(s->avctx, s->last_picture_ptr); } /* release forgotten pictures */ /* if (MPEG-124 / H.263) */ for (i = 0; i < MAX_PICTURE_COUNT; i++) { if (&s->picture[i] != s->last_picture_ptr && &s->picture[i] != s->next_picture_ptr && s->picture[i].reference && !s->picture[i].needs_realloc) { ff_mpeg_unref_picture(s->avctx, &s->picture[i]); } } ff_mpeg_unref_picture(s->avctx, &s->current_picture); /* release non reference frames */ for (i = 0; i < MAX_PICTURE_COUNT; i++) { if (!s->picture[i].reference) ff_mpeg_unref_picture(s->avctx, &s->picture[i]); } if (s->current_picture_ptr && !s->current_picture_ptr->f->buf[0]) { // we already have a unused image // (maybe it was set before reading the header) pic = s->current_picture_ptr; } else { i = ff_find_unused_picture(s->avctx, s->picture, 0); if (i < 0) { av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n"); return i; } pic = &s->picture[i]; } pic->reference = 0; if (!s->droppable) { if (s->pict_type != AV_PICTURE_TYPE_B) pic->reference = 3; } pic->f->coded_picture_number = s->coded_picture_number++; if (alloc_picture(s, pic, 0) < 0) return -1; s->current_picture_ptr = pic; // FIXME use only the vars from current_pic s->current_picture_ptr->f->top_field_first = s->top_field_first; if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO || s->codec_id == AV_CODEC_ID_MPEG2VIDEO) { if (s->picture_structure != PICT_FRAME) s->current_picture_ptr->f->top_field_first = (s->picture_structure == PICT_TOP_FIELD) == s->first_field; } s->current_picture_ptr->f->interlaced_frame = !s->progressive_frame && !s->progressive_sequence; s->current_picture_ptr->field_picture = s->picture_structure != PICT_FRAME; s->current_picture_ptr->f->pict_type = s->pict_type; // if (s->avctx->flags && AV_CODEC_FLAG_QSCALE) // s->current_picture_ptr->quality = s->new_picture_ptr->quality; s->current_picture_ptr->f->key_frame = s->pict_type == AV_PICTURE_TYPE_I; if ((ret = ff_mpeg_ref_picture(s->avctx, &s->current_picture, s->current_picture_ptr)) < 0) return ret; if (s->pict_type != AV_PICTURE_TYPE_B) { s->last_picture_ptr = s->next_picture_ptr; if (!s->droppable) s->next_picture_ptr = s->current_picture_ptr; } ff_dlog(s->avctx, "L%p N%p C%p L%p N%p C%p type:%d drop:%d\n", s->last_picture_ptr, s->next_picture_ptr,s->current_picture_ptr, s->last_picture_ptr ? s->last_picture_ptr->f->data[0] : NULL, s->next_picture_ptr ? s->next_picture_ptr->f->data[0] : NULL, s->current_picture_ptr ? s->current_picture_ptr->f->data[0] : NULL, s->pict_type, s->droppable); if ((!s->last_picture_ptr || !s->last_picture_ptr->f->buf[0]) && (s->pict_type != AV_PICTURE_TYPE_I || s->picture_structure != PICT_FRAME)) { int h_chroma_shift, v_chroma_shift; av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift); if (s->pict_type != AV_PICTURE_TYPE_I) av_log(avctx, AV_LOG_ERROR, "warning: first frame is no keyframe\n"); else if (s->picture_structure != PICT_FRAME) av_log(avctx, AV_LOG_INFO, "allocate dummy last picture for field based first keyframe\n"); /* Allocate a dummy frame */ i = ff_find_unused_picture(s->avctx, s->picture, 0); if (i < 0) { av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n"); return i; } s->last_picture_ptr = &s->picture[i]; s->last_picture_ptr->reference = 3; s->last_picture_ptr->f->pict_type = AV_PICTURE_TYPE_I; if (alloc_picture(s, s->last_picture_ptr, 0) < 0) { s->last_picture_ptr = NULL; return -1; } memset(s->last_picture_ptr->f->data[0], 0, avctx->height * s->last_picture_ptr->f->linesize[0]); memset(s->last_picture_ptr->f->data[1], 0x80, (avctx->height >> v_chroma_shift) * s->last_picture_ptr->f->linesize[1]); memset(s->last_picture_ptr->f->data[2], 0x80, (avctx->height >> v_chroma_shift) * s->last_picture_ptr->f->linesize[2]); ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 0); ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 1); } if ((!s->next_picture_ptr || !s->next_picture_ptr->f->buf[0]) && s->pict_type == AV_PICTURE_TYPE_B) { /* Allocate a dummy frame */ i = ff_find_unused_picture(s->avctx, s->picture, 0); if (i < 0) { av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n"); return i; } s->next_picture_ptr = &s->picture[i]; s->next_picture_ptr->reference = 3; s->next_picture_ptr->f->pict_type = AV_PICTURE_TYPE_I; if (alloc_picture(s, s->next_picture_ptr, 0) < 0) { s->next_picture_ptr = NULL; return -1; } ff_thread_report_progress(&s->next_picture_ptr->tf, INT_MAX, 0); ff_thread_report_progress(&s->next_picture_ptr->tf, INT_MAX, 1); } if (s->last_picture_ptr) { ff_mpeg_unref_picture(s->avctx, &s->last_picture); if (s->last_picture_ptr->f->buf[0] && (ret = ff_mpeg_ref_picture(s->avctx, &s->last_picture, s->last_picture_ptr)) < 0) return ret; } if (s->next_picture_ptr) { ff_mpeg_unref_picture(s->avctx, &s->next_picture); if (s->next_picture_ptr->f->buf[0] && (ret = ff_mpeg_ref_picture(s->avctx, &s->next_picture, s->next_picture_ptr)) < 0) return ret; } if (s->pict_type != AV_PICTURE_TYPE_I && !(s->last_picture_ptr && s->last_picture_ptr->f->buf[0])) { av_log(s, AV_LOG_ERROR, "Non-reference picture received and no reference available\n"); return AVERROR_INVALIDDATA; } if (s->picture_structure!= PICT_FRAME) { int i; for (i = 0; i < 4; i++) { if (s->picture_structure == PICT_BOTTOM_FIELD) { s->current_picture.f->data[i] += s->current_picture.f->linesize[i]; } s->current_picture.f->linesize[i] *= 2; s->last_picture.f->linesize[i] *= 2; s->next_picture.f->linesize[i] *= 2; } } /* set dequantizer, we can't do it during init as * it might change for MPEG-4 and we can't do it in the header * decode as init is not called for MPEG-4 there yet */ if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG2VIDEO) { s->dct_unquantize_intra = s->dct_unquantize_mpeg2_intra; s->dct_unquantize_inter = s->dct_unquantize_mpeg2_inter; } else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) { s->dct_unquantize_intra = s->dct_unquantize_h263_intra; s->dct_unquantize_inter = s->dct_unquantize_h263_inter; } else { s->dct_unquantize_intra = s->dct_unquantize_mpeg1_intra; s->dct_unquantize_inter = s->dct_unquantize_mpeg1_inter; } #if FF_API_XVMC FF_DISABLE_DEPRECATION_WARNINGS if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration) return ff_xvmc_field_start(s, avctx); FF_ENABLE_DEPRECATION_WARNINGS #endif /* FF_API_XVMC */ return 0; }
false
FFmpeg
dcc39ee10e82833ce24aa57926c00ffeb1948198
27,099
static guint io_add_watch_poll(GIOChannel *channel, IOCanReadHandler *fd_can_read, GIOFunc fd_read, gpointer user_data) { IOWatchPoll *iwp; iwp = (IOWatchPoll *) g_source_new(&io_watch_poll_funcs, sizeof(IOWatchPoll)); iwp->fd_can_read = fd_can_read; iwp->opaque = user_data; iwp->src = g_io_create_watch(channel, G_IO_IN | G_IO_ERR | G_IO_HUP); g_source_set_callback(iwp->src, (GSourceFunc)fd_read, user_data, NULL); return g_source_attach(&iwp->parent, NULL); }
false
qemu
1e885b25275fb6763eb947b1e53b2d6911b967a8
27,101
int qio_channel_socket_dgram_sync(QIOChannelSocket *ioc, SocketAddress *localAddr, SocketAddress *remoteAddr, Error **errp) { int fd; trace_qio_channel_socket_dgram_sync(ioc, localAddr, remoteAddr); fd = socket_dgram(remoteAddr, localAddr, errp); if (fd < 0) { trace_qio_channel_socket_dgram_fail(ioc); return -1; } trace_qio_channel_socket_dgram_complete(ioc, fd); if (qio_channel_socket_set_fd(ioc, fd, errp) < 0) { close(fd); return -1; } return 0; }
false
qemu
dfd100f242370886bb6732f70f1f7cbd8eb9fedc
27,103
int ff_init_me(MpegEncContext *s){ MotionEstContext * const c= &s->me; int cache_size= FFMIN(ME_MAP_SIZE>>ME_MAP_SHIFT, 1<<ME_MAP_SHIFT); int dia_size= FFMAX(FFABS(s->avctx->dia_size)&255, FFABS(s->avctx->pre_dia_size)&255); if(FFMIN(s->avctx->dia_size, s->avctx->pre_dia_size) < -ME_MAP_SIZE){ av_log(s->avctx, AV_LOG_ERROR, "ME_MAP size is too small for SAB diamond\n"); return -1; } //special case of snow is needed because snow uses its own iterative ME code if(s->me_method!=ME_ZERO && s->me_method!=ME_EPZS && s->me_method!=ME_X1 && s->avctx->codec_id != AV_CODEC_ID_SNOW){ av_log(s->avctx, AV_LOG_ERROR, "me_method is only allowed to be set to zero and epzs; for hex,umh,full and others see dia_size\n"); return -1; } c->avctx= s->avctx; if(cache_size < 2*dia_size && !c->stride){ av_log(s->avctx, AV_LOG_INFO, "ME_MAP size may be a little small for the selected diamond size\n"); } ff_set_cmp(&s->dsp, s->dsp.me_pre_cmp, c->avctx->me_pre_cmp); ff_set_cmp(&s->dsp, s->dsp.me_cmp, c->avctx->me_cmp); ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, c->avctx->me_sub_cmp); ff_set_cmp(&s->dsp, s->dsp.mb_cmp, c->avctx->mb_cmp); c->flags = get_flags(c, 0, c->avctx->me_cmp &FF_CMP_CHROMA); c->sub_flags= get_flags(c, 0, c->avctx->me_sub_cmp&FF_CMP_CHROMA); c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp &FF_CMP_CHROMA); /*FIXME s->no_rounding b_type*/ if(s->flags&CODEC_FLAG_QPEL){ c->sub_motion_search= qpel_motion_search; c->qpel_avg= s->dsp.avg_qpel_pixels_tab; if(s->no_rounding) c->qpel_put= s->dsp.put_no_rnd_qpel_pixels_tab; else c->qpel_put= s->dsp.put_qpel_pixels_tab; }else{ if(c->avctx->me_sub_cmp&FF_CMP_CHROMA) c->sub_motion_search= hpel_motion_search; else if( c->avctx->me_sub_cmp == FF_CMP_SAD && c->avctx-> me_cmp == FF_CMP_SAD && c->avctx-> mb_cmp == FF_CMP_SAD) c->sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles else c->sub_motion_search= hpel_motion_search; } c->hpel_avg= s->dsp.avg_pixels_tab; if(s->no_rounding) c->hpel_put= s->dsp.put_no_rnd_pixels_tab; else c->hpel_put= s->dsp.put_pixels_tab; if(s->linesize){ c->stride = s->linesize; c->uvstride= s->uvlinesize; }else{ c->stride = 16*s->mb_width + 32; c->uvstride= 8*s->mb_width + 16; } /* 8x8 fullpel search would need a 4x4 chroma compare, which we do * not have yet, and even if we had, the motion estimation code * does not expect it. */ if(s->codec_id != AV_CODEC_ID_SNOW){ if((c->avctx->me_cmp&FF_CMP_CHROMA)/* && !s->dsp.me_cmp[2]*/){ s->dsp.me_cmp[2]= zero_cmp; } if((c->avctx->me_sub_cmp&FF_CMP_CHROMA) && !s->dsp.me_sub_cmp[2]){ s->dsp.me_sub_cmp[2]= zero_cmp; } c->hpel_put[2][0]= c->hpel_put[2][1]= c->hpel_put[2][2]= c->hpel_put[2][3]= zero_hpel; } if(s->codec_id == AV_CODEC_ID_H261){ c->sub_motion_search= no_sub_motion_search; } return 0; }
false
FFmpeg
3a48e38ad0e37d89065843548414d367e70593bf
27,105
float32 float32_scalbn( float32 a, int n STATUS_PARAM ) { flag aSign; int16 aExp; uint32_t aSig; a = float32_squash_input_denormal(a STATUS_VAR); aSig = extractFloat32Frac( a ); aExp = extractFloat32Exp( a ); aSign = extractFloat32Sign( a ); if ( aExp == 0xFF ) { return a; } if ( aExp != 0 ) aSig |= 0x00800000; else if ( aSig == 0 ) return a; aExp += n - 1; aSig <<= 7; return normalizeRoundAndPackFloat32( aSign, aExp, aSig STATUS_VAR ); }
true
qemu
326b9e98a391d542cc33c4c91782ff4ba51edfc5
27,106
void net_check_clients(void) { VLANState *vlan; VLANClientState *vc; int has_nic, has_host_dev; QTAILQ_FOREACH(vlan, &vlans, next) { QTAILQ_FOREACH(vc, &vlan->clients, next) { switch (vc->info->type) { case NET_CLIENT_TYPE_NIC: has_nic = 1; break; case NET_CLIENT_TYPE_SLIRP: case NET_CLIENT_TYPE_TAP: case NET_CLIENT_TYPE_SOCKET: case NET_CLIENT_TYPE_VDE: has_host_dev = 1; break; default: ; } } if (has_host_dev && !has_nic) fprintf(stderr, "Warning: vlan %d with no nics\n", vlan->id); if (has_nic && !has_host_dev) fprintf(stderr, "Warning: vlan %d is not connected to host network\n", vlan->id); } QTAILQ_FOREACH(vc, &non_vlan_clients, next) { if (!vc->peer) { fprintf(stderr, "Warning: %s %s has no peer\n", vc->info->type == NET_CLIENT_TYPE_NIC ? "nic" : "netdev", vc->name); } } }
true
qemu
64e69d50a394a48de7607f178d53c192443f9066
27,108
static uint32_t hpet_time_after64(uint64_t a, uint64_t b) { return ((int64_t)(b) - (int64_t)(a) < 0); }
true
qemu
d17008bc2914d62fd0af6a8f313604ae9f9a102c
27,109
static void kvm_arm_gicv3_realize(DeviceState *dev, Error **errp) { GICv3State *s = KVM_ARM_GICV3(dev); KVMARMGICv3Class *kgc = KVM_ARM_GICV3_GET_CLASS(s); Error *local_err = NULL; DPRINTF("kvm_arm_gicv3_realize\n"); kgc->parent_realize(dev, &local_err); if (local_err) { error_propagate(errp, local_err); return; } if (s->security_extn) { error_setg(errp, "the in-kernel VGICv3 does not implement the " "security extensions"); return; } gicv3_init_irqs_and_mmio(s, kvm_arm_gicv3_set_irq, NULL); /* Try to create the device via the device control API */ s->dev_fd = kvm_create_device(kvm_state, KVM_DEV_TYPE_ARM_VGIC_V3, false); if (s->dev_fd < 0) { error_setg_errno(errp, -s->dev_fd, "error creating in-kernel VGIC"); return; } kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_NR_IRQS, 0, &s->num_irq, true); /* Tell the kernel to complete VGIC initialization now */ kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_CTRL, KVM_DEV_ARM_VGIC_CTRL_INIT, NULL, true); kvm_arm_register_device(&s->iomem_dist, -1, KVM_DEV_ARM_VGIC_GRP_ADDR, KVM_VGIC_V3_ADDR_TYPE_DIST, s->dev_fd); kvm_arm_register_device(&s->iomem_redist, -1, KVM_DEV_ARM_VGIC_GRP_ADDR, KVM_VGIC_V3_ADDR_TYPE_REDIST, s->dev_fd); /* Block migration of a KVM GICv3 device: the API for saving and restoring * the state in the kernel is not yet finalised in the kernel or * implemented in QEMU. */ error_setg(&s->migration_blocker, "vGICv3 migration is not implemented"); migrate_add_blocker(s->migration_blocker); if (kvm_has_gsi_routing()) { /* set up irq routing */ kvm_init_irq_routing(kvm_state); for (i = 0; i < s->num_irq - GIC_INTERNAL; ++i) { kvm_irqchip_add_irq_route(kvm_state, i, 0, i); } kvm_gsi_routing_allowed = true; kvm_irqchip_commit_routes(kvm_state); } }
true
qemu
d19a4d4ef448e736d341df47bd1adc78c8e40814
27,110
static TypeImpl *type_register_internal(const TypeInfo *info) { TypeImpl *ti = g_malloc0(sizeof(*ti)); int i; g_assert(info->name != NULL); if (type_table_lookup(info->name) != NULL) { fprintf(stderr, "Registering `%s' which already exists\n", info->name); abort(); } ti->name = g_strdup(info->name); ti->parent = g_strdup(info->parent); ti->class_size = info->class_size; ti->instance_size = info->instance_size; ti->class_init = info->class_init; ti->class_base_init = info->class_base_init; ti->class_finalize = info->class_finalize; ti->class_data = info->class_data; ti->instance_init = info->instance_init; ti->instance_post_init = info->instance_post_init; ti->instance_finalize = info->instance_finalize; ti->abstract = info->abstract; for (i = 0; info->interfaces && info->interfaces[i].type; i++) { ti->interfaces[i].typename = g_strdup(info->interfaces[i].type); } ti->num_interfaces = i; type_table_add(ti); return ti; }
true
qemu
b061dc41f62048acd4a34c6570c0ea396cd9d0b4
27,111
static int disas_vfp_insn(CPUState * env, DisasContext *s, uint32_t insn) { uint32_t rd, rn, rm, op, i, n, offset, delta_d, delta_m, bank_mask; int dp, veclen; TCGv addr; TCGv tmp; TCGv tmp2; if (!arm_feature(env, ARM_FEATURE_VFP)) return 1; if (!vfp_enabled(env)) { /* VFP disabled. Only allow fmxr/fmrx to/from some control regs. */ if ((insn & 0x0fe00fff) != 0x0ee00a10) return 1; rn = (insn >> 16) & 0xf; if (rn != ARM_VFP_FPSID && rn != ARM_VFP_FPEXC && rn != ARM_VFP_MVFR1 && rn != ARM_VFP_MVFR0) return 1; } dp = ((insn & 0xf00) == 0xb00); switch ((insn >> 24) & 0xf) { case 0xe: if (insn & (1 << 4)) { /* single register transfer */ rd = (insn >> 12) & 0xf; if (dp) { int size; int pass; VFP_DREG_N(rn, insn); if (insn & 0xf) return 1; if (insn & 0x00c00060 && !arm_feature(env, ARM_FEATURE_NEON)) return 1; pass = (insn >> 21) & 1; if (insn & (1 << 22)) { size = 0; offset = ((insn >> 5) & 3) * 8; } else if (insn & (1 << 5)) { size = 1; offset = (insn & (1 << 6)) ? 16 : 0; } else { size = 2; offset = 0; } if (insn & ARM_CP_RW_BIT) { /* vfp->arm */ tmp = neon_load_reg(rn, pass); switch (size) { case 0: if (offset) tcg_gen_shri_i32(tmp, tmp, offset); if (insn & (1 << 23)) gen_uxtb(tmp); else gen_sxtb(tmp); break; case 1: if (insn & (1 << 23)) { if (offset) { tcg_gen_shri_i32(tmp, tmp, 16); } else { gen_uxth(tmp); } } else { if (offset) { tcg_gen_sari_i32(tmp, tmp, 16); } else { gen_sxth(tmp); } } break; case 2: break; } store_reg(s, rd, tmp); } else { /* arm->vfp */ tmp = load_reg(s, rd); if (insn & (1 << 23)) { /* VDUP */ if (size == 0) { gen_neon_dup_u8(tmp, 0); } else if (size == 1) { gen_neon_dup_low16(tmp); } for (n = 0; n <= pass * 2; n++) { tmp2 = new_tmp(); tcg_gen_mov_i32(tmp2, tmp); neon_store_reg(rn, n, tmp2); } neon_store_reg(rn, n, tmp); } else { /* VMOV */ switch (size) { case 0: tmp2 = neon_load_reg(rn, pass); gen_bfi(tmp, tmp2, tmp, offset, 0xff); dead_tmp(tmp2); break; case 1: tmp2 = neon_load_reg(rn, pass); gen_bfi(tmp, tmp2, tmp, offset, 0xffff); dead_tmp(tmp2); break; case 2: break; } neon_store_reg(rn, pass, tmp); } } } else { /* !dp */ if ((insn & 0x6f) != 0x00) return 1; rn = VFP_SREG_N(insn); if (insn & ARM_CP_RW_BIT) { /* vfp->arm */ if (insn & (1 << 21)) { /* system register */ rn >>= 1; switch (rn) { case ARM_VFP_FPSID: /* VFP2 allows access to FSID from userspace. VFP3 restricts all id registers to privileged accesses. */ if (IS_USER(s) && arm_feature(env, ARM_FEATURE_VFP3)) return 1; tmp = load_cpu_field(vfp.xregs[rn]); break; case ARM_VFP_FPEXC: if (IS_USER(s)) return 1; tmp = load_cpu_field(vfp.xregs[rn]); break; case ARM_VFP_FPINST: case ARM_VFP_FPINST2: /* Not present in VFP3. */ if (IS_USER(s) || arm_feature(env, ARM_FEATURE_VFP3)) return 1; tmp = load_cpu_field(vfp.xregs[rn]); break; case ARM_VFP_FPSCR: if (rd == 15) { tmp = load_cpu_field(vfp.xregs[ARM_VFP_FPSCR]); tcg_gen_andi_i32(tmp, tmp, 0xf0000000); } else { tmp = new_tmp(); gen_helper_vfp_get_fpscr(tmp, cpu_env); } break; case ARM_VFP_MVFR0: case ARM_VFP_MVFR1: if (IS_USER(s) || !arm_feature(env, ARM_FEATURE_VFP3)) return 1; tmp = load_cpu_field(vfp.xregs[rn]); break; default: return 1; } } else { gen_mov_F0_vreg(0, rn); tmp = gen_vfp_mrs(); } if (rd == 15) { /* Set the 4 flag bits in the CPSR. */ gen_set_nzcv(tmp); dead_tmp(tmp); } else { store_reg(s, rd, tmp); } } else { /* arm->vfp */ tmp = load_reg(s, rd); if (insn & (1 << 21)) { rn >>= 1; /* system register */ switch (rn) { case ARM_VFP_FPSID: case ARM_VFP_MVFR0: case ARM_VFP_MVFR1: /* Writes are ignored. */ break; case ARM_VFP_FPSCR: gen_helper_vfp_set_fpscr(cpu_env, tmp); dead_tmp(tmp); gen_lookup_tb(s); break; case ARM_VFP_FPEXC: if (IS_USER(s)) return 1; store_cpu_field(tmp, vfp.xregs[rn]); gen_lookup_tb(s); break; case ARM_VFP_FPINST: case ARM_VFP_FPINST2: store_cpu_field(tmp, vfp.xregs[rn]); break; default: return 1; } } else { gen_vfp_msr(tmp); gen_mov_vreg_F0(0, rn); } } } } else { /* data processing */ /* The opcode is in bits 23, 21, 20 and 6. */ op = ((insn >> 20) & 8) | ((insn >> 19) & 6) | ((insn >> 6) & 1); if (dp) { if (op == 15) { /* rn is opcode */ rn = ((insn >> 15) & 0x1e) | ((insn >> 7) & 1); } else { /* rn is register number */ VFP_DREG_N(rn, insn); } if (op == 15 && (rn == 15 || rn > 17)) { /* Integer or single precision destination. */ rd = VFP_SREG_D(insn); } else { VFP_DREG_D(rd, insn); } if (op == 15 && (rn == 16 || rn == 17)) { /* Integer source. */ rm = ((insn << 1) & 0x1e) | ((insn >> 5) & 1); } else { VFP_DREG_M(rm, insn); } } else { rn = VFP_SREG_N(insn); if (op == 15 && rn == 15) { /* Double precision destination. */ VFP_DREG_D(rd, insn); } else { rd = VFP_SREG_D(insn); } rm = VFP_SREG_M(insn); } veclen = env->vfp.vec_len; if (op == 15 && rn > 3) veclen = 0; /* Shut up compiler warnings. */ delta_m = 0; delta_d = 0; bank_mask = 0; if (veclen > 0) { if (dp) bank_mask = 0xc; else bank_mask = 0x18; /* Figure out what type of vector operation this is. */ if ((rd & bank_mask) == 0) { /* scalar */ veclen = 0; } else { if (dp) delta_d = (env->vfp.vec_stride >> 1) + 1; else delta_d = env->vfp.vec_stride + 1; if ((rm & bank_mask) == 0) { /* mixed scalar/vector */ delta_m = 0; } else { /* vector */ delta_m = delta_d; } } } /* Load the initial operands. */ if (op == 15) { switch (rn) { case 16: case 17: /* Integer source */ gen_mov_F0_vreg(0, rm); break; case 8: case 9: /* Compare */ gen_mov_F0_vreg(dp, rd); gen_mov_F1_vreg(dp, rm); break; case 10: case 11: /* Compare with zero */ gen_mov_F0_vreg(dp, rd); gen_vfp_F1_ld0(dp); break; case 20: case 21: case 22: case 23: case 28: case 29: case 30: case 31: /* Source and destination the same. */ gen_mov_F0_vreg(dp, rd); break; default: /* One source operand. */ gen_mov_F0_vreg(dp, rm); break; } } else { /* Two source operands. */ gen_mov_F0_vreg(dp, rn); gen_mov_F1_vreg(dp, rm); } for (;;) { /* Perform the calculation. */ switch (op) { case 0: /* mac: fd + (fn * fm) */ gen_vfp_mul(dp); gen_mov_F1_vreg(dp, rd); gen_vfp_add(dp); break; case 1: /* nmac: fd - (fn * fm) */ gen_vfp_mul(dp); gen_vfp_neg(dp); gen_mov_F1_vreg(dp, rd); gen_vfp_add(dp); break; case 2: /* msc: -fd + (fn * fm) */ gen_vfp_mul(dp); gen_mov_F1_vreg(dp, rd); gen_vfp_sub(dp); break; case 3: /* nmsc: -fd - (fn * fm) */ gen_vfp_mul(dp); gen_vfp_neg(dp); gen_mov_F1_vreg(dp, rd); gen_vfp_sub(dp); break; case 4: /* mul: fn * fm */ gen_vfp_mul(dp); break; case 5: /* nmul: -(fn * fm) */ gen_vfp_mul(dp); gen_vfp_neg(dp); break; case 6: /* add: fn + fm */ gen_vfp_add(dp); break; case 7: /* sub: fn - fm */ gen_vfp_sub(dp); break; case 8: /* div: fn / fm */ gen_vfp_div(dp); break; case 14: /* fconst */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; n = (insn << 12) & 0x80000000; i = ((insn >> 12) & 0x70) | (insn & 0xf); if (dp) { if (i & 0x40) i |= 0x3f80; else i |= 0x4000; n |= i << 16; tcg_gen_movi_i64(cpu_F0d, ((uint64_t)n) << 32); } else { if (i & 0x40) i |= 0x780; else i |= 0x800; n |= i << 19; tcg_gen_movi_i32(cpu_F0s, n); } break; case 15: /* extension space */ switch (rn) { case 0: /* cpy */ /* no-op */ break; case 1: /* abs */ gen_vfp_abs(dp); break; case 2: /* neg */ gen_vfp_neg(dp); break; case 3: /* sqrt */ gen_vfp_sqrt(dp); break; case 8: /* cmp */ gen_vfp_cmp(dp); break; case 9: /* cmpe */ gen_vfp_cmpe(dp); break; case 10: /* cmpz */ gen_vfp_cmp(dp); break; case 11: /* cmpez */ gen_vfp_F1_ld0(dp); gen_vfp_cmpe(dp); break; case 15: /* single<->double conversion */ if (dp) gen_helper_vfp_fcvtsd(cpu_F0s, cpu_F0d, cpu_env); else gen_helper_vfp_fcvtds(cpu_F0d, cpu_F0s, cpu_env); break; case 16: /* fuito */ gen_vfp_uito(dp); break; case 17: /* fsito */ gen_vfp_sito(dp); break; case 20: /* fshto */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; gen_vfp_shto(dp, 16 - rm); break; case 21: /* fslto */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; gen_vfp_slto(dp, 32 - rm); break; case 22: /* fuhto */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; gen_vfp_uhto(dp, 16 - rm); break; case 23: /* fulto */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; gen_vfp_ulto(dp, 32 - rm); break; case 24: /* ftoui */ gen_vfp_toui(dp); break; case 25: /* ftouiz */ gen_vfp_touiz(dp); break; case 26: /* ftosi */ gen_vfp_tosi(dp); break; case 27: /* ftosiz */ gen_vfp_tosiz(dp); break; case 28: /* ftosh */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; gen_vfp_tosh(dp, 16 - rm); break; case 29: /* ftosl */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; gen_vfp_tosl(dp, 32 - rm); break; case 30: /* ftouh */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; gen_vfp_touh(dp, 16 - rm); break; case 31: /* ftoul */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; gen_vfp_toul(dp, 32 - rm); break; default: /* undefined */ printf ("rn:%d\n", rn); return 1; } break; default: /* undefined */ printf ("op:%d\n", op); return 1; } /* Write back the result. */ if (op == 15 && (rn >= 8 && rn <= 11)) ; /* Comparison, do nothing. */ else if (op == 15 && rn > 17) /* Integer result. */ gen_mov_vreg_F0(0, rd); else if (op == 15 && rn == 15) /* conversion */ gen_mov_vreg_F0(!dp, rd); else gen_mov_vreg_F0(dp, rd); /* break out of the loop if we have finished */ if (veclen == 0) break; if (op == 15 && delta_m == 0) { /* single source one-many */ while (veclen--) { rd = ((rd + delta_d) & (bank_mask - 1)) | (rd & bank_mask); gen_mov_vreg_F0(dp, rd); } break; } /* Setup the next operands. */ veclen--; rd = ((rd + delta_d) & (bank_mask - 1)) | (rd & bank_mask); if (op == 15) { /* One source operand. */ rm = ((rm + delta_m) & (bank_mask - 1)) | (rm & bank_mask); gen_mov_F0_vreg(dp, rm); } else { /* Two source operands. */ rn = ((rn + delta_d) & (bank_mask - 1)) | (rn & bank_mask); gen_mov_F0_vreg(dp, rn); if (delta_m) { rm = ((rm + delta_m) & (bank_mask - 1)) | (rm & bank_mask); gen_mov_F1_vreg(dp, rm); } } } } break; case 0xc: case 0xd: if (dp && (insn & 0x03e00000) == 0x00400000) { /* two-register transfer */ rn = (insn >> 16) & 0xf; rd = (insn >> 12) & 0xf; if (dp) { VFP_DREG_M(rm, insn); } else { rm = VFP_SREG_M(insn); } if (insn & ARM_CP_RW_BIT) { /* vfp->arm */ if (dp) { gen_mov_F0_vreg(0, rm * 2); tmp = gen_vfp_mrs(); store_reg(s, rd, tmp); gen_mov_F0_vreg(0, rm * 2 + 1); tmp = gen_vfp_mrs(); store_reg(s, rn, tmp); } else { gen_mov_F0_vreg(0, rm); tmp = gen_vfp_mrs(); store_reg(s, rn, tmp); gen_mov_F0_vreg(0, rm + 1); tmp = gen_vfp_mrs(); store_reg(s, rd, tmp); } } else { /* arm->vfp */ if (dp) { tmp = load_reg(s, rd); gen_vfp_msr(tmp); gen_mov_vreg_F0(0, rm * 2); tmp = load_reg(s, rn); gen_vfp_msr(tmp); gen_mov_vreg_F0(0, rm * 2 + 1); } else { tmp = load_reg(s, rn); gen_vfp_msr(tmp); gen_mov_vreg_F0(0, rm); tmp = load_reg(s, rd); gen_vfp_msr(tmp); gen_mov_vreg_F0(0, rm + 1); } } } else { /* Load/store */ rn = (insn >> 16) & 0xf; if (dp) VFP_DREG_D(rd, insn); else rd = VFP_SREG_D(insn); if (s->thumb && rn == 15) { addr = new_tmp(); tcg_gen_movi_i32(addr, s->pc & ~2); } else { addr = load_reg(s, rn); } if ((insn & 0x01200000) == 0x01000000) { /* Single load/store */ offset = (insn & 0xff) << 2; if ((insn & (1 << 23)) == 0) offset = -offset; tcg_gen_addi_i32(addr, addr, offset); if (insn & (1 << 20)) { gen_vfp_ld(s, dp, addr); gen_mov_vreg_F0(dp, rd); } else { gen_mov_F0_vreg(dp, rd); gen_vfp_st(s, dp, addr); } dead_tmp(addr); } else { /* load/store multiple */ if (dp) n = (insn >> 1) & 0x7f; else n = insn & 0xff; if (insn & (1 << 24)) /* pre-decrement */ tcg_gen_addi_i32(addr, addr, -((insn & 0xff) << 2)); if (dp) offset = 8; else offset = 4; for (i = 0; i < n; i++) { if (insn & ARM_CP_RW_BIT) { /* load */ gen_vfp_ld(s, dp, addr); gen_mov_vreg_F0(dp, rd + i); } else { /* store */ gen_mov_F0_vreg(dp, rd + i); gen_vfp_st(s, dp, addr); } tcg_gen_addi_i32(addr, addr, offset); } if (insn & (1 << 21)) { /* writeback */ if (insn & (1 << 24)) offset = -offset * n; else if (dp && (insn & 1)) offset = 4; else offset = 0; if (offset != 0) tcg_gen_addi_i32(addr, addr, offset); store_reg(s, rn, addr); } else { dead_tmp(addr); } } } break; default: /* Should never happen. */ return 1; } return 0; }
true
qemu
71b3c3dea21a310c5df7406cdc1cffc64cf14c18
27,112
void drive_hot_add(Monitor *mon, const QDict *qdict) { int dom, pci_bus; unsigned slot; int type, bus; PCIDevice *dev; DriveInfo *dinfo = NULL; const char *pci_addr = qdict_get_str(qdict, "pci_addr"); const char *opts = qdict_get_str(qdict, "opts"); BusState *scsibus; dinfo = add_init_drive(opts); if (!dinfo) goto err; if (dinfo->devaddr) { monitor_printf(mon, "Parameter addr not supported\n"); goto err; } type = dinfo->type; bus = drive_get_max_bus (type); switch (type) { case IF_SCSI: if (pci_read_devaddr(mon, pci_addr, &dom, &pci_bus, &slot)) { goto err; } dev = pci_find_device(pci_bus, slot, 0); if (!dev) { monitor_printf(mon, "no pci device with address %s\n", pci_addr); goto err; } scsibus = QLIST_FIRST(&dev->qdev.child_bus); scsi_bus_legacy_add_drive(DO_UPCAST(SCSIBus, qbus, scsibus), dinfo, dinfo->unit); monitor_printf(mon, "OK bus %d, unit %d\n", dinfo->bus, dinfo->unit); break; case IF_NONE: monitor_printf(mon, "OK\n"); break; default: monitor_printf(mon, "Can't hot-add drive to type %d\n", type); goto err; } return; err: if (dinfo) drive_uninit(dinfo); return; }
true
qemu
30d335d68d93705eb346387c03bb6aca0f52454a
27,113
static inline int msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block, int n, int coded) { int level, i, last, run, run_diff; int dc_pred_dir; RLTable *rl; RL_VLC_ELEM *rl_vlc; const UINT8 *scan_table; int qmul, qadd; if (s->mb_intra) { qmul=1; qadd=0; /* DC coef */ set_stat(ST_DC); level = msmpeg4_decode_dc(s, n, &dc_pred_dir); #ifdef PRINT_MB { static int c; if(n==0) c=0; if(n==4) printf("%X", c); c+= c +dc_pred_dir; } #endif if (level < 0){ fprintf(stderr, "dc overflow- block: %d qscale: %d//\n", n, s->qscale); if(s->inter_intra_pred) level=0; else return -1; } if (n < 4) { rl = &rl_table[s->rl_table_index]; if(level > 256*s->y_dc_scale){ fprintf(stderr, "dc overflow+ L qscale: %d//\n", s->qscale); if(!s->inter_intra_pred) return -1; } } else { rl = &rl_table[3 + s->rl_chroma_table_index]; if(level > 256*s->c_dc_scale){ fprintf(stderr, "dc overflow+ C qscale: %d//\n", s->qscale); if(!s->inter_intra_pred) return -1; } } block[0] = level; run_diff = 0; i = 0; if (!coded) { goto not_coded; } if (s->ac_pred) { if (dc_pred_dir == 0) scan_table = s->intra_v_scantable; /* left */ else scan_table = s->intra_h_scantable; /* top */ } else { scan_table = s->intra_scantable; } set_stat(ST_INTRA_AC); rl_vlc= rl->rl_vlc[0]; } else { qmul = s->qscale << 1; qadd = (s->qscale - 1) | 1; i = -1; rl = &rl_table[3 + s->rl_table_index]; if(s->msmpeg4_version==2) run_diff = 0; else run_diff = 1; if (!coded) { s->block_last_index[n] = i; return 0; } scan_table = s->inter_scantable; set_stat(ST_INTER_AC); rl_vlc= rl->rl_vlc[s->qscale]; } { OPEN_READER(re, &s->gb); for(;;) { UPDATE_CACHE(re, &s->gb); GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2); if (level==0) { int cache; cache= GET_CACHE(re, &s->gb); /* escape */ if (s->msmpeg4_version==1 || (cache&0x80000000)==0) { if (s->msmpeg4_version==1 || (cache&0x40000000)==0) { /* third escape */ if(s->msmpeg4_version!=1) LAST_SKIP_BITS(re, &s->gb, 2); UPDATE_CACHE(re, &s->gb); if(s->msmpeg4_version<=3){ last= SHOW_UBITS(re, &s->gb, 1); SKIP_CACHE(re, &s->gb, 1); run= SHOW_UBITS(re, &s->gb, 6); SKIP_CACHE(re, &s->gb, 6); level= SHOW_SBITS(re, &s->gb, 8); LAST_SKIP_CACHE(re, &s->gb, 8); SKIP_COUNTER(re, &s->gb, 1+6+8); }else{ int sign; last= SHOW_UBITS(re, &s->gb, 1); SKIP_BITS(re, &s->gb, 1); if(!s->esc3_level_length){ int ll; //printf("ESC-3 %X at %d %d\n", show_bits(&s->gb, 24), s->mb_x, s->mb_y); if(s->qscale<8){ ll= SHOW_UBITS(re, &s->gb, 3); SKIP_BITS(re, &s->gb, 3); if(ll==0){ if(SHOW_UBITS(re, &s->gb, 1)) printf("cool a new vlc code ,contact the ffmpeg developers and upload the file\n"); SKIP_BITS(re, &s->gb, 1); ll=8; } }else{ ll=2; while(ll<8 && SHOW_UBITS(re, &s->gb, 1)==0){ ll++; SKIP_BITS(re, &s->gb, 1); } if(ll<8) SKIP_BITS(re, &s->gb, 1); } s->esc3_level_length= ll; s->esc3_run_length= SHOW_UBITS(re, &s->gb, 2) + 3; SKIP_BITS(re, &s->gb, 2); //printf("level length:%d, run length: %d\n", ll, s->esc3_run_length); UPDATE_CACHE(re, &s->gb); } run= SHOW_UBITS(re, &s->gb, s->esc3_run_length); SKIP_BITS(re, &s->gb, s->esc3_run_length); sign= SHOW_UBITS(re, &s->gb, 1); SKIP_BITS(re, &s->gb, 1); level= SHOW_UBITS(re, &s->gb, s->esc3_level_length); SKIP_BITS(re, &s->gb, s->esc3_level_length); if(sign) level= -level; } //printf("level: %d, run: %d at %d %d\n", level, run, s->mb_x, s->mb_y); #if 0 // waste of time / this will detect very few errors { const int abs_level= ABS(level); const int run1= run - rl->max_run[last][abs_level] - run_diff; if(abs_level<=MAX_LEVEL && run<=MAX_RUN){ if(abs_level <= rl->max_level[last][run]){ fprintf(stderr, "illegal 3. esc, vlc encoding possible\n"); return DECODING_AC_LOST; } if(abs_level <= rl->max_level[last][run]*2){ fprintf(stderr, "illegal 3. esc, esc 1 encoding possible\n"); return DECODING_AC_LOST; } if(run1>=0 && abs_level <= rl->max_level[last][run1]){ fprintf(stderr, "illegal 3. esc, esc 2 encoding possible\n"); return DECODING_AC_LOST; } } } #endif //level = level * qmul + (level>0) * qadd - (level<=0) * qadd ; if (level>0) level= level * qmul + qadd; else level= level * qmul - qadd; #if 0 // waste of time too :( if(level>2048 || level<-2048){ fprintf(stderr, "|level| overflow in 3. esc\n"); return DECODING_AC_LOST; } #endif i+= run + 1; if(last) i+=192; #ifdef ERROR_DETAILS if(run==66) fprintf(stderr, "illegal vlc code in ESC3 level=%d\n", level); else if((i>62 && i<192) || i>192+63) fprintf(stderr, "run overflow in ESC3 i=%d run=%d level=%d\n", i, run, level); #endif } else { /* second escape */ #if MIN_CACHE_BITS < 23 LAST_SKIP_BITS(re, &s->gb, 2); UPDATE_CACHE(re, &s->gb); #else SKIP_BITS(re, &s->gb, 2); #endif GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2); i+= run + rl->max_run[run>>7][level/qmul] + run_diff; //FIXME opt indexing level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1); LAST_SKIP_BITS(re, &s->gb, 1); #ifdef ERROR_DETAILS if(run==66) fprintf(stderr, "illegal vlc code in ESC2 level=%d\n", level); else if((i>62 && i<192) || i>192+63) fprintf(stderr, "run overflow in ESC2 i=%d run=%d level=%d\n", i, run, level); #endif } } else { /* first escape */ #if MIN_CACHE_BITS < 22 LAST_SKIP_BITS(re, &s->gb, 1); UPDATE_CACHE(re, &s->gb); #else SKIP_BITS(re, &s->gb, 1); #endif GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2); i+= run; level = level + rl->max_level[run>>7][(run-1)&63] * qmul;//FIXME opt indexing level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1); LAST_SKIP_BITS(re, &s->gb, 1); #ifdef ERROR_DETAILS if(run==66) fprintf(stderr, "illegal vlc code in ESC1 level=%d\n", level); else if((i>62 && i<192) || i>192+63) fprintf(stderr, "run overflow in ESC1 i=%d run=%d level=%d\n", i, run, level); #endif } } else { i+= run; level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1); LAST_SKIP_BITS(re, &s->gb, 1); #ifdef ERROR_DETAILS if(run==66) fprintf(stderr, "illegal vlc code level=%d\n", level); else if((i>62 && i<192) || i>192+63) fprintf(stderr, "run overflow i=%d run=%d level=%d\n", i, run, level); #endif } if (i > 62){ i-= 192; if(i&(~63)){ if(s->error_resilience<0){ fprintf(stderr, "ignoring overflow at %d %d\n", s->mb_x, s->mb_y); break; }else{ fprintf(stderr, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y); return -1; } } block[scan_table[i]] = level; break; } block[scan_table[i]] = level; } CLOSE_READER(re, &s->gb); } not_coded: if (s->mb_intra) { mpeg4_pred_ac(s, block, n, dc_pred_dir); if (s->ac_pred) { i = 63; /* XXX: not optimal */ } } if(s->msmpeg4_version==4 && i>0) i=63; //FIXME/XXX optimize s->block_last_index[n] = i; return 0; }
true
FFmpeg
55078332495d879ad4aeb23ae2bada75130431c6
27,114
static int usb_device_post_load(void *opaque, int version_id) { USBDevice *dev = opaque; if (dev->state == USB_STATE_NOTATTACHED) { dev->attached = 0; } else { dev->attached = 1; return 0;
true
qemu
c60174e847082ab9f70720f86509a3353f816fad
27,116
int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp) { struct addrinfo ai,*res,*e; const char *addr; char port[33]; char uaddr[INET6_ADDRSTRLEN+1]; char uport[33]; int slisten, rc, to, port_min, port_max, p; memset(&ai,0, sizeof(ai)); ai.ai_flags = AI_PASSIVE | AI_ADDRCONFIG; ai.ai_family = PF_UNSPEC; ai.ai_socktype = SOCK_STREAM; if ((qemu_opt_get(opts, "host") == NULL) || (qemu_opt_get(opts, "port") == NULL)) { error_setg(errp, "host and/or port not specified"); return -1; } pstrcpy(port, sizeof(port), qemu_opt_get(opts, "port")); addr = qemu_opt_get(opts, "host"); to = qemu_opt_get_number(opts, "to", 0); if (qemu_opt_get_bool(opts, "ipv4", 0)) ai.ai_family = PF_INET; if (qemu_opt_get_bool(opts, "ipv6", 0)) ai.ai_family = PF_INET6; /* lookup */ if (port_offset) { unsigned long long baseport; if (parse_uint_full(port, &baseport, 10) < 0) { error_setg(errp, "can't convert to a number: %s", port); return -1; } if (baseport > 65535 || baseport + port_offset > 65535) { error_setg(errp, "port %s out of range", port); return -1; } snprintf(port, sizeof(port), "%d", (int)baseport + port_offset); } rc = getaddrinfo(strlen(addr) ? addr : NULL, port, &ai, &res); if (rc != 0) { error_setg(errp, "address resolution failed for %s:%s: %s", addr, port, gai_strerror(rc)); return -1; } /* create socket + bind */ for (e = res; e != NULL; e = e->ai_next) { getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen, uaddr,INET6_ADDRSTRLEN,uport,32, NI_NUMERICHOST | NI_NUMERICSERV); slisten = qemu_socket(e->ai_family, e->ai_socktype, e->ai_protocol); if (slisten < 0) { if (!e->ai_next) { error_setg_errno(errp, errno, "Failed to create socket"); } continue; } socket_set_fast_reuse(slisten); #ifdef IPV6_V6ONLY if (e->ai_family == PF_INET6) { /* listen on both ipv4 and ipv6 */ const int off = 0; qemu_setsockopt(slisten, IPPROTO_IPV6, IPV6_V6ONLY, &off, sizeof(off)); } #endif port_min = inet_getport(e); port_max = to ? to + port_offset : port_min; for (p = port_min; p <= port_max; p++) { inet_setport(e, p); if (bind(slisten, e->ai_addr, e->ai_addrlen) == 0) { goto listen; } if (p == port_max) { if (!e->ai_next) { error_setg_errno(errp, errno, "Failed to bind socket"); } } } closesocket(slisten); } freeaddrinfo(res); return -1; listen: if (listen(slisten,1) != 0) { error_setg_errno(errp, errno, "Failed to listen on socket"); closesocket(slisten); freeaddrinfo(res); return -1; } qemu_opt_set(opts, "host", uaddr, &error_abort); qemu_opt_set_number(opts, "port", inet_getport(e) - port_offset, &error_abort); qemu_opt_set_bool(opts, "ipv6", e->ai_family == PF_INET6, &error_abort); qemu_opt_set_bool(opts, "ipv4", e->ai_family != PF_INET6, &error_abort); freeaddrinfo(res); return slisten; }
true
qemu
3de3d698d942d1116152417f882c897b26b44e41
27,117
static int oma_read_packet(AVFormatContext *s, AVPacket *pkt) { OMAContext *oc = s->priv_data; AVStream *st = s->streams[0]; int packet_size = st->codec->block_align; int byte_rate = st->codec->bit_rate >> 3; int64_t pos = avio_tell(s->pb); int ret = av_get_packet(s->pb, pkt, packet_size); if (ret < packet_size) pkt->flags |= AV_PKT_FLAG_CORRUPT; if (ret < 0) return ret; if (!ret) return AVERROR_EOF; pkt->stream_index = 0; if (pos > 0) { pkt->pts = pkt->dts = av_rescale(pos, st->time_base.den, byte_rate * (int64_t)st->time_base.num); } if (oc->encrypted) { /* previous unencrypted block saved in IV for * the next packet (CBC mode) */ if (ret == packet_size) av_des_crypt(&oc->av_des, pkt->data, pkt->data, (packet_size >> 3), oc->iv, 1); else memset(oc->iv, 0, 8); } return ret; }
true
FFmpeg
7c2fa13df9a6130b3f258c7513933cbdca2fe23b
27,118
void av_opt_set_defaults2(void *s, int mask, int flags) { #endif const AVOption *opt = NULL; while ((opt = av_opt_next(s, opt)) != NULL) { #if FF_API_OLD_AVOPTIONS if ((opt->flags & mask) != flags) continue; #endif switch (opt->type) { case AV_OPT_TYPE_CONST: /* Nothing to be done here */ break; case AV_OPT_TYPE_FLAGS: case AV_OPT_TYPE_INT: case AV_OPT_TYPE_INT64: av_opt_set_int(s, opt->name, opt->default_val.i64, 0); break; case AV_OPT_TYPE_DOUBLE: case AV_OPT_TYPE_FLOAT: { double val; val = opt->default_val.dbl; av_opt_set_double(s, opt->name, val, 0); } break; case AV_OPT_TYPE_RATIONAL: { AVRational val; val = av_d2q(opt->default_val.dbl, INT_MAX); av_opt_set_q(s, opt->name, val, 0); } break; case AV_OPT_TYPE_STRING: case AV_OPT_TYPE_IMAGE_SIZE: case AV_OPT_TYPE_PIXEL_FMT: case AV_OPT_TYPE_SAMPLE_FMT: av_opt_set(s, opt->name, opt->default_val.str, 0); break; case AV_OPT_TYPE_BINARY: /* Cannot set default for binary */ break; default: av_log(s, AV_LOG_DEBUG, "AVOption type %d of option %s not implemented yet\n", opt->type, opt->name); } } }
false
FFmpeg
08d0969c1402ccec4dce44bd430128fb59d7b790
27,119
static int RENAME(resample_common)(ResampleContext *c, void *dest, const void *source, int n, int update_ctx) { DELEM *dst = dest; const DELEM *src = source; int dst_index; int index= c->index; int frac= c->frac; int sample_index = 0; while (index >= c->phase_count) { sample_index++; index -= c->phase_count; } for (dst_index = 0; dst_index < n; dst_index++) { FELEM *filter = ((FELEM *) c->filter_bank) + c->filter_alloc * index; FELEM2 val= FOFFSET; int i; for (i = 0; i < c->filter_length; i++) { val += src[sample_index + i] * (FELEM2)filter[i]; } OUT(dst[dst_index], val); frac += c->dst_incr_mod; index += c->dst_incr_div; if (frac >= c->src_incr) { frac -= c->src_incr; index++; } while (index >= c->phase_count) { sample_index++; index -= c->phase_count; } } if(update_ctx){ c->frac= frac; c->index= index; } return sample_index; }
true
FFmpeg
65e33d8e23277bb96809842656482e0e3fe8746f
27,120
BdrvNextIterator *bdrv_next(BdrvNextIterator *it, BlockDriverState **bs) { if (!it) { it = g_new(BdrvNextIterator, 1); *it = (BdrvNextIterator) { .phase = BDRV_NEXT_BACKEND_ROOTS, }; } /* First, return all root nodes of BlockBackends. In order to avoid * returning a BDS twice when multiple BBs refer to it, we only return it * if the BB is the first one in the parent list of the BDS. */ if (it->phase == BDRV_NEXT_BACKEND_ROOTS) { do { it->blk = blk_all_next(it->blk); *bs = it->blk ? blk_bs(it->blk) : NULL; } while (it->blk && (*bs == NULL || bdrv_first_blk(*bs) != it->blk)); if (*bs) { return it; } it->phase = BDRV_NEXT_MONITOR_OWNED; } /* Then return the monitor-owned BDSes without a BB attached. Ignore all * BDSes that are attached to a BlockBackend here; they have been handled * by the above block already */ do { it->bs = bdrv_next_monitor_owned(it->bs); *bs = it->bs; } while (*bs && bdrv_has_blk(*bs)); return *bs ? it : NULL; }
true
qemu
88be7b4be4aa17c88247e162bdd7577ea79db94f
27,121
static int channelmap_filter_samples(AVFilterLink *inlink, AVFilterBufferRef *buf) { AVFilterContext *ctx = inlink->dst; AVFilterLink *outlink = ctx->outputs[0]; const ChannelMapContext *s = ctx->priv; const int nch_in = av_get_channel_layout_nb_channels(inlink->channel_layout); const int nch_out = s->nch; int ch; uint8_t *source_planes[MAX_CH]; memcpy(source_planes, buf->extended_data, nch_in * sizeof(source_planes[0])); if (nch_out > nch_in) { if (nch_out > FF_ARRAY_ELEMS(buf->data)) { uint8_t **new_extended_data = av_mallocz(nch_out * sizeof(*buf->extended_data)); if (!new_extended_data) { avfilter_unref_buffer(buf); return AVERROR(ENOMEM); } if (buf->extended_data == buf->data) { buf->extended_data = new_extended_data; } else { buf->extended_data = new_extended_data; av_free(buf->extended_data); } } else if (buf->extended_data != buf->data) { av_free(buf->extended_data); buf->extended_data = buf->data; } } for (ch = 0; ch < nch_out; ch++) { buf->extended_data[s->map[ch].out_channel_idx] = source_planes[s->map[ch].in_channel_idx]; } if (buf->data != buf->extended_data) memcpy(buf->data, buf->extended_data, FFMIN(FF_ARRAY_ELEMS(buf->data), nch_out) * sizeof(buf->data[0])); return ff_filter_samples(outlink, buf); }
true
FFmpeg
1afd7a118fd71536971f991b823c89f1c9e87509
27,122
static int encode_thread(AVCodecContext *c, void *arg){ MpegEncContext *s= *(void**)arg; int mb_x, mb_y, pdif = 0; int chr_h= 16>>s->chroma_y_shift; int i, j; MpegEncContext best_s, backup_s; uint8_t bit_buf[2][MAX_MB_BYTES]; uint8_t bit_buf2[2][MAX_MB_BYTES]; uint8_t bit_buf_tex[2][MAX_MB_BYTES]; PutBitContext pb[2], pb2[2], tex_pb[2]; //printf("%d->%d\n", s->resync_mb_y, s->end_mb_y); ff_check_alignment(); for(i=0; i<2; i++){ init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES); init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES); init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES); } s->last_bits= put_bits_count(&s->pb); s->mv_bits=0; s->misc_bits=0; s->i_tex_bits=0; s->p_tex_bits=0; s->i_count=0; s->f_count=0; s->b_count=0; s->skip_count=0; for(i=0; i<3; i++){ /* init last dc values */ /* note: quant matrix value (8) is implied here */ s->last_dc[i] = 128 << s->intra_dc_precision; s->current_picture.error[i] = 0; } s->mb_skip_run = 0; memset(s->last_mv, 0, sizeof(s->last_mv)); s->last_mv_dir = 0; switch(s->codec_id){ case CODEC_ID_H263: case CODEC_ID_H263P: case CODEC_ID_FLV1: if (CONFIG_H263_ENCODER || CONFIG_FLV_ENCODER) s->gob_index = ff_h263_get_gob_height(s); break; case CODEC_ID_MPEG4: if(CONFIG_MPEG4_ENCODER && s->partitioned_frame) ff_mpeg4_init_partitions(s); break; } s->resync_mb_x=0; s->resync_mb_y=0; s->first_slice_line = 1; s->ptr_lastgob = s->pb.buf; for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) { // printf("row %d at %X\n", s->mb_y, (int)s); s->mb_x=0; s->mb_y= mb_y; ff_set_qscale(s, s->qscale); ff_init_block_index(s); for(mb_x=0; mb_x < s->mb_width; mb_x++) { int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this int mb_type= s->mb_type[xy]; // int d; int dmin= INT_MAX; int dir; if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){ av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); return -1; } if(s->data_partitioning){ if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){ av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); return -1; } } s->mb_x = mb_x; s->mb_y = mb_y; // moved into loop, can get changed by H.261 ff_update_block_index(s); if(CONFIG_H261_ENCODER && s->codec_id == CODEC_ID_H261){ ff_h261_reorder_mb_index(s); xy= s->mb_y*s->mb_stride + s->mb_x; mb_type= s->mb_type[xy]; } /* write gob / video packet header */ if(s->rtp_mode){ int current_packet_size, is_gob_start; current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf); is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0; if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1; switch(s->codec_id){ case CODEC_ID_H263: case CODEC_ID_H263P: if(!s->h263_slice_structured) if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0; break; case CODEC_ID_MPEG2VIDEO: if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1; case CODEC_ID_MPEG1VIDEO: if(s->mb_skip_run) is_gob_start=0; break; } if(is_gob_start){ if(s->start_mb_y != mb_y || mb_x!=0){ write_slice_end(s); if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){ ff_mpeg4_init_partitions(s); } } assert((put_bits_count(&s->pb)&7) == 0); current_packet_size= put_bits_ptr(&s->pb) - s->ptr_lastgob; if(s->avctx->error_rate && s->resync_mb_x + s->resync_mb_y > 0){ int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y; int d= 100 / s->avctx->error_rate; if(r % d == 0){ current_packet_size=0; #ifndef ALT_BITSTREAM_WRITER s->pb.buf_ptr= s->ptr_lastgob; #endif assert(put_bits_ptr(&s->pb) == s->ptr_lastgob); } } if (s->avctx->rtp_callback){ int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x; s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb); } switch(s->codec_id){ case CODEC_ID_MPEG4: if (CONFIG_MPEG4_ENCODER) { ff_mpeg4_encode_video_packet_header(s); ff_mpeg4_clean_buffers(s); } break; case CODEC_ID_MPEG1VIDEO: case CODEC_ID_MPEG2VIDEO: if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) { ff_mpeg1_encode_slice_header(s); ff_mpeg1_clean_buffers(s); } break; case CODEC_ID_H263: case CODEC_ID_H263P: if (CONFIG_H263_ENCODER) h263_encode_gob_header(s, mb_y); break; } if(s->flags&CODEC_FLAG_PASS1){ int bits= put_bits_count(&s->pb); s->misc_bits+= bits - s->last_bits; s->last_bits= bits; } s->ptr_lastgob += current_packet_size; s->first_slice_line=1; s->resync_mb_x=mb_x; s->resync_mb_y=mb_y; } } if( (s->resync_mb_x == s->mb_x) && s->resync_mb_y+1 == s->mb_y){ s->first_slice_line=0; } s->mb_skipped=0; s->dquant=0; //only for QP_RD if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible or CODEC_FLAG_QP_RD int next_block=0; int pb_bits_count, pb2_bits_count, tex_pb_bits_count; copy_context_before_encode(&backup_s, s, -1); backup_s.pb= s->pb; best_s.data_partitioning= s->data_partitioning; best_s.partitioned_frame= s->partitioned_frame; if(s->data_partitioning){ backup_s.pb2= s->pb2; backup_s.tex_pb= s->tex_pb; } if(mb_type&CANDIDATE_MB_TYPE_INTER){ s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_16X16; s->mb_intra= 0; s->mv[0][0][0] = s->p_mv_table[xy][0]; s->mv[0][0][1] = s->p_mv_table[xy][1]; encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb, &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); } if(mb_type&CANDIDATE_MB_TYPE_INTER_I){ s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(i=0; i<2; i++){ j= s->field_select[0][i] = s->p_field_select_table[i][xy]; s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0]; s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1]; } encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); } if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){ s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_16X16; s->mb_intra= 0; s->mv[0][0][0] = 0; s->mv[0][0][1] = 0; encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb, &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); } if(mb_type&CANDIDATE_MB_TYPE_INTER4V){ s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_8X8; s->mb_intra= 0; for(i=0; i<4; i++){ s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0]; s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1]; } encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); } if(mb_type&CANDIDATE_MB_TYPE_FORWARD){ s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_16X16; s->mb_intra= 0; s->mv[0][0][0] = s->b_forw_mv_table[xy][0]; s->mv[0][0][1] = s->b_forw_mv_table[xy][1]; encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb, &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); } if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){ s->mv_dir = MV_DIR_BACKWARD; s->mv_type = MV_TYPE_16X16; s->mb_intra= 0; s->mv[1][0][0] = s->b_back_mv_table[xy][0]; s->mv[1][0][1] = s->b_back_mv_table[xy][1]; encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb, &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]); } if(mb_type&CANDIDATE_MB_TYPE_BIDIR){ s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; s->mv_type = MV_TYPE_16X16; s->mb_intra= 0; s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0]; s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1]; s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0]; s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1]; encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); } if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){ s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(i=0; i<2; i++){ j= s->field_select[0][i] = s->b_field_select_table[0][i][xy]; s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0]; s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1]; } encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); } if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){ s->mv_dir = MV_DIR_BACKWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(i=0; i<2; i++){ j= s->field_select[1][i] = s->b_field_select_table[1][i][xy]; s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0]; s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1]; } encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); } if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){ s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(dir=0; dir<2; dir++){ for(i=0; i<2; i++){ j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy]; s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0]; s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1]; } } encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); } if(mb_type&CANDIDATE_MB_TYPE_INTRA){ s->mv_dir = 0; s->mv_type = MV_TYPE_16X16; s->mb_intra= 1; s->mv[0][0][0] = 0; s->mv[0][0][1] = 0; encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); if(s->h263_pred || s->h263_aic){ if(best_s.mb_intra) s->mbintra_table[mb_x + mb_y*s->mb_stride]=1; else ff_clean_intra_table_entries(s); //old mode? } } if((s->flags & CODEC_FLAG_QP_RD) && dmin < INT_MAX){ if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD const int last_qp= backup_s.qscale; int qpi, qp, dc[6]; DCTELEM ac[6][16]; const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0; static const int dquant_tab[4]={-1,1,-2,2}; assert(backup_s.dquant == 0); //FIXME intra s->mv_dir= best_s.mv_dir; s->mv_type = MV_TYPE_16X16; s->mb_intra= best_s.mb_intra; s->mv[0][0][0] = best_s.mv[0][0][0]; s->mv[0][0][1] = best_s.mv[0][0][1]; s->mv[1][0][0] = best_s.mv[1][0][0]; s->mv[1][0][1] = best_s.mv[1][0][1]; qpi = s->pict_type == FF_B_TYPE ? 2 : 0; for(; qpi<4; qpi++){ int dquant= dquant_tab[qpi]; qp= last_qp + dquant; if(qp < s->avctx->qmin || qp > s->avctx->qmax) continue; backup_s.dquant= dquant; if(s->mb_intra && s->dc_val[0]){ for(i=0; i<6; i++){ dc[i]= s->dc_val[0][ s->block_index[i] ]; memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16); } } encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb, &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]); if(best_s.qscale != qp){ if(s->mb_intra && s->dc_val[0]){ for(i=0; i<6; i++){ s->dc_val[0][ s->block_index[i] ]= dc[i]; memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16); } } } } } } if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){ int mx= s->b_direct_mv_table[xy][0]; int my= s->b_direct_mv_table[xy][1]; backup_s.dquant = 0; s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT; s->mb_intra= 0; ff_mpeg4_set_direct_mv(s, mx, my); encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb, &dmin, &next_block, mx, my); } if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){ backup_s.dquant = 0; s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT; s->mb_intra= 0; ff_mpeg4_set_direct_mv(s, 0, 0); encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); } if(!best_s.mb_intra && s->flags2&CODEC_FLAG2_SKIP_RD){ int coded=0; for(i=0; i<6; i++) coded |= s->block_last_index[i]; if(coded){ int mx,my; memcpy(s->mv, best_s.mv, sizeof(s->mv)); if(CONFIG_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){ mx=my=0; //FIXME find the one we actually used ff_mpeg4_set_direct_mv(s, mx, my); }else if(best_s.mv_dir&MV_DIR_BACKWARD){ mx= s->mv[1][0][0]; my= s->mv[1][0][1]; }else{ mx= s->mv[0][0][0]; my= s->mv[0][0][1]; } s->mv_dir= best_s.mv_dir; s->mv_type = best_s.mv_type; s->mb_intra= 0; /* s->mv[0][0][0] = best_s.mv[0][0][0]; s->mv[0][0][1] = best_s.mv[0][0][1]; s->mv[1][0][0] = best_s.mv[1][0][0]; s->mv[1][0][1] = best_s.mv[1][0][1];*/ backup_s.dquant= 0; s->skipdct=1; encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb, &dmin, &next_block, mx, my); s->skipdct=0; } } s->current_picture.qscale_table[xy]= best_s.qscale; copy_context_after_encode(s, &best_s, -1); pb_bits_count= put_bits_count(&s->pb); flush_put_bits(&s->pb); ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count); s->pb= backup_s.pb; if(s->data_partitioning){ pb2_bits_count= put_bits_count(&s->pb2); flush_put_bits(&s->pb2); ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count); s->pb2= backup_s.pb2; tex_pb_bits_count= put_bits_count(&s->tex_pb); flush_put_bits(&s->tex_pb); ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count); s->tex_pb= backup_s.tex_pb; } s->last_bits= put_bits_count(&s->pb); if (CONFIG_ANY_H263_ENCODER && s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE) ff_h263_update_motion_val(s); if(next_block==0){ //FIXME 16 vs linesize16 s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16); s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8); s->dsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8); } if(s->avctx->mb_decision == FF_MB_DECISION_BITS) MPV_decode_mb(s, s->block); } else { int motion_x = 0, motion_y = 0; s->mv_type=MV_TYPE_16X16; // only one MB-Type possible switch(mb_type){ case CANDIDATE_MB_TYPE_INTRA: s->mv_dir = 0; s->mb_intra= 1; motion_x= s->mv[0][0][0] = 0; motion_y= s->mv[0][0][1] = 0; break; case CANDIDATE_MB_TYPE_INTER: s->mv_dir = MV_DIR_FORWARD; s->mb_intra= 0; motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0]; motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1]; break; case CANDIDATE_MB_TYPE_INTER_I: s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(i=0; i<2; i++){ j= s->field_select[0][i] = s->p_field_select_table[i][xy]; s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0]; s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1]; } break; case CANDIDATE_MB_TYPE_INTER4V: s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_8X8; s->mb_intra= 0; for(i=0; i<4; i++){ s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0]; s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1]; } break; case CANDIDATE_MB_TYPE_DIRECT: if (CONFIG_MPEG4_ENCODER) { s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT; s->mb_intra= 0; motion_x=s->b_direct_mv_table[xy][0]; motion_y=s->b_direct_mv_table[xy][1]; ff_mpeg4_set_direct_mv(s, motion_x, motion_y); } break; case CANDIDATE_MB_TYPE_DIRECT0: if (CONFIG_MPEG4_ENCODER) { s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT; s->mb_intra= 0; ff_mpeg4_set_direct_mv(s, 0, 0); } break; case CANDIDATE_MB_TYPE_BIDIR: s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; s->mb_intra= 0; s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0]; s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1]; s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0]; s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1]; break; case CANDIDATE_MB_TYPE_BACKWARD: s->mv_dir = MV_DIR_BACKWARD; s->mb_intra= 0; motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0]; motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1]; break; case CANDIDATE_MB_TYPE_FORWARD: s->mv_dir = MV_DIR_FORWARD; s->mb_intra= 0; motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0]; motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1]; // printf(" %d %d ", motion_x, motion_y); break; case CANDIDATE_MB_TYPE_FORWARD_I: s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(i=0; i<2; i++){ j= s->field_select[0][i] = s->b_field_select_table[0][i][xy]; s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0]; s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1]; } break; case CANDIDATE_MB_TYPE_BACKWARD_I: s->mv_dir = MV_DIR_BACKWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(i=0; i<2; i++){ j= s->field_select[1][i] = s->b_field_select_table[1][i][xy]; s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0]; s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1]; } break; case CANDIDATE_MB_TYPE_BIDIR_I: s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(dir=0; dir<2; dir++){ for(i=0; i<2; i++){ j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy]; s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0]; s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1]; } } break; default: av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n"); } encode_mb(s, motion_x, motion_y); // RAL: Update last macroblock type s->last_mv_dir = s->mv_dir; if (CONFIG_ANY_H263_ENCODER && s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE) ff_h263_update_motion_val(s); MPV_decode_mb(s, s->block); } /* clean the MV table in IPS frames for direct mode in B frames */ if(s->mb_intra /* && I,P,S_TYPE */){ s->p_mv_table[xy][0]=0; s->p_mv_table[xy][1]=0; } if(s->flags&CODEC_FLAG_PSNR){ int w= 16; int h= 16; if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16; if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16; s->current_picture.error[0] += sse( s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], w, h, s->linesize); s->current_picture.error[1] += sse( s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h, s->dest[1], w>>1, h>>s->chroma_y_shift, s->uvlinesize); s->current_picture.error[2] += sse( s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h, s->dest[2], w>>1, h>>s->chroma_y_shift, s->uvlinesize); } if(s->loop_filter){ if(CONFIG_ANY_H263_ENCODER && s->out_format == FMT_H263) ff_h263_loop_filter(s); } //printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb)); } } //not beautiful here but we must write it before flushing so it has to be here if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == FF_I_TYPE) msmpeg4_encode_ext_header(s); write_slice_end(s); /* Send the last GOB if RTP */ if (s->avctx->rtp_callback) { int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x; pdif = put_bits_ptr(&s->pb) - s->ptr_lastgob; /* Call the RTP callback to send the last GOB */ emms_c(); s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb); } return 0; }
false
FFmpeg
0bd485300e1a8bb0ba95df53da34562816120e31
27,123
static void new_audio_stream(AVFormatContext *oc, int file_idx) { AVStream *st; OutputStream *ost; AVCodec *codec= NULL; AVCodecContext *audio_enc; enum CodecID codec_id = CODEC_ID_NONE; if(!audio_stream_copy){ if (audio_codec_name) { codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1, avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance); codec = avcodec_find_encoder_by_name(audio_codec_name); } else { codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO); codec = avcodec_find_encoder(codec_id); } } ost = new_output_stream(oc, file_idx, codec); st = ost->st; ost->bitstream_filters = audio_bitstream_filters; audio_bitstream_filters= NULL; st->codec->thread_count= thread_count; audio_enc = st->codec; audio_enc->codec_type = AVMEDIA_TYPE_AUDIO; if(audio_codec_tag) audio_enc->codec_tag= audio_codec_tag; if (oc->oformat->flags & AVFMT_GLOBALHEADER) { audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER; } if (audio_stream_copy) { st->stream_copy = 1; } else { audio_enc->codec_id = codec_id; set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec); if (audio_qscale > QSCALE_NONE) { audio_enc->flags |= CODEC_FLAG_QSCALE; audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale; } if (audio_channels) audio_enc->channels = audio_channels; if (audio_sample_fmt != AV_SAMPLE_FMT_NONE) audio_enc->sample_fmt = audio_sample_fmt; if (audio_sample_rate) audio_enc->sample_rate = audio_sample_rate; } if (audio_language) { av_dict_set(&st->metadata, "language", audio_language, 0); av_freep(&audio_language); } /* reset some key parameters */ audio_disable = 0; av_freep(&audio_codec_name); audio_stream_copy = 0; }
false
FFmpeg
a9eb4f0899de04a3093a04f461611c6f0664398e
27,124
static int virtio_net_handle_mac(VirtIONet *n, uint8_t cmd, VirtQueueElement *elem) { struct virtio_net_ctrl_mac mac_data; if (cmd != VIRTIO_NET_CTRL_MAC_TABLE_SET || elem->out_num != 3 || elem->out_sg[1].iov_len < sizeof(mac_data) || elem->out_sg[2].iov_len < sizeof(mac_data)) return VIRTIO_NET_ERR; n->mac_table.in_use = 0; memset(n->mac_table.macs, 0, MAC_TABLE_ENTRIES * ETH_ALEN); mac_data.entries = ldl_le_p(elem->out_sg[1].iov_base); if (sizeof(mac_data.entries) + (mac_data.entries * ETH_ALEN) > elem->out_sg[1].iov_len) return VIRTIO_NET_ERR; if (mac_data.entries <= MAC_TABLE_ENTRIES) { memcpy(n->mac_table.macs, elem->out_sg[1].iov_base + sizeof(mac_data), mac_data.entries * ETH_ALEN); n->mac_table.in_use += mac_data.entries; } else { n->promisc = 1; return VIRTIO_NET_OK; } mac_data.entries = ldl_le_p(elem->out_sg[2].iov_base); if (sizeof(mac_data.entries) + (mac_data.entries * ETH_ALEN) > elem->out_sg[2].iov_len) return VIRTIO_NET_ERR; if (mac_data.entries) { if (n->mac_table.in_use + mac_data.entries <= MAC_TABLE_ENTRIES) { memcpy(n->mac_table.macs + (n->mac_table.in_use * ETH_ALEN), elem->out_sg[2].iov_base + sizeof(mac_data), mac_data.entries * ETH_ALEN); n->mac_table.in_use += mac_data.entries; } else n->allmulti = 1; } return VIRTIO_NET_OK; }
true
qemu
8fd2a2f1a9048b9e37a898c2a5e9ef59d0c1a095
27,125
static ssize_t vnc_tls_pull(gnutls_transport_ptr_t transport, void *data, size_t len) { VncState *vs = (VncState *)transport; int ret; retry: ret = qemu_recv(vs->csock, data, len, 0); if (ret < 0) { if (errno == EINTR) goto retry; return -1; } return ret; }
true
qemu
3e305e4a4752f70c0b5c3cf5b43ec957881714f7
27,126
file_backend_memory_alloc(HostMemoryBackend *backend, Error **errp) { HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(backend); if (!backend->size) { error_setg(errp, "can't create backend with size 0"); return; } if (!fb->mem_path) { error_setg(errp, "mem-path property not set"); return; } #ifndef CONFIG_LINUX error_setg(errp, "-mem-path not supported on this host"); #else if (!memory_region_size(&backend->mr)) { backend->force_prealloc = mem_prealloc; memory_region_init_ram_from_file(&backend->mr, OBJECT(backend), object_get_canonical_path(OBJECT(backend)), backend->size, fb->share, fb->mem_path, errp); } #endif }
true
qemu
696b55017d90b3237ca9d656aa4904d6b5c46c7a
27,127
sorecvoob(struct socket *so) { struct tcpcb *tp = sototcpcb(so); DEBUG_CALL("sorecvoob"); DEBUG_ARG("so = %p", so); /* * We take a guess at how much urgent data has arrived. * In most situations, when urgent data arrives, the next * read() should get all the urgent data. This guess will * be wrong however if more data arrives just after the * urgent data, or the read() doesn't return all the * urgent data. */ soread(so); tp->snd_up = tp->snd_una + so->so_snd.sb_cc; tp->t_force = 1; tcp_output(tp); tp->t_force = 0; }
true
qemu
bfb1ac14029ee72b19296109fba880c0551755d5
27,128
static uint32_t cmos_ioport_read(void *opaque, uint32_t addr) { RTCState *s = opaque; int ret; if ((addr & 1) == 0) { return 0xff; } else { switch(s->cmos_index) { case RTC_SECONDS: case RTC_MINUTES: case RTC_HOURS: case RTC_DAY_OF_WEEK: case RTC_DAY_OF_MONTH: case RTC_MONTH: case RTC_YEAR: ret = s->cmos_data[s->cmos_index]; break; case RTC_REG_A: ret = s->cmos_data[s->cmos_index]; break; case RTC_REG_C: ret = s->cmos_data[s->cmos_index]; qemu_irq_lower(s->irq); #ifdef TARGET_I386 if(s->irq_coalesced) { apic_reset_irq_delivered(); qemu_irq_raise(s->irq); if (apic_get_irq_delivered()) s->irq_coalesced--; break; } #endif s->cmos_data[RTC_REG_C] = 0x00; break; default: ret = s->cmos_data[s->cmos_index]; break; } #ifdef DEBUG_CMOS printf("cmos: read index=0x%02x val=0x%02x\n", s->cmos_index, ret); #endif return ret; } }
true
qemu
93b665693dd4afd32c89b0d5ee2b407b26a7a3bc