label
int64 0
1
| func1
stringlengths 23
97k
| id
int64 0
27.3k
|
|---|---|---|
0 | void ff_init_elbg(int *points, int dim, int numpoints, int *codebook, int numCB, int max_steps, int *closest_cb, AVLFG *rand_state) { int i, k; if (numpoints > 24*numCB) { /* ELBG is very costly for a big number of points. So if we have a lot of them, get a good initial codebook to save on iterations */ int *temp_points = av_malloc(dim*(numpoints/8)*sizeof(int)); for (i=0; i<numpoints/8; i++) { k = (i*BIG_PRIME) % numpoints; memcpy(temp_points + i*dim, points + k*dim, dim*sizeof(int)); } ff_init_elbg(temp_points, dim, numpoints/8, codebook, numCB, 2*max_steps, closest_cb, rand_state); ff_do_elbg(temp_points, dim, numpoints/8, codebook, numCB, 2*max_steps, closest_cb, rand_state); av_free(temp_points); } else // If not, initialize the codebook with random positions for (i=0; i < numCB; i++) memcpy(codebook + i*dim, points + ((i*BIG_PRIME)%numpoints)*dim, dim*sizeof(int)); } | 24,369 |
0 | av_cold void ff_lpc_init_x86(LPCContext *c) { #if HAVE_SSE2_INLINE int cpu_flags = av_get_cpu_flags(); if (INLINE_SSE2(cpu_flags) && (cpu_flags & AV_CPU_FLAG_SSE2SLOW)) { c->lpc_apply_welch_window = lpc_apply_welch_window_sse2; c->lpc_compute_autocorr = lpc_compute_autocorr_sse2; } #endif /* HAVE_SSE2_INLINE */ } | 24,370 |
0 | int ff_pcm_read_packet(AVFormatContext *s, AVPacket *pkt) { int ret, size; size= RAW_SAMPLES*s->streams[0]->codec->block_align; if (size <= 0) return AVERROR(EINVAL); ret= av_get_packet(s->pb, pkt, size); pkt->flags &= ~AV_PKT_FLAG_CORRUPT; pkt->stream_index = 0; if (ret < 0) return ret; return ret; } | 24,372 |
0 | static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) { MpegEncContext * const s = &h->s; int mba_xy, mbb_xy; int ctx = 0; if(FRAME_MBAFF){ //FIXME merge with the stuff in fill_caches? int mb_xy = mb_x + (mb_y&~1)*s->mb_stride; mba_xy = mb_xy - 1; if( (mb_y&1) && h->slice_table[mba_xy] == h->slice_num && MB_FIELD == !!IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) ) mba_xy += s->mb_stride; if( MB_FIELD ){ mbb_xy = mb_xy - s->mb_stride; if( !(mb_y&1) && h->slice_table[mbb_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) ) mbb_xy -= s->mb_stride; }else mbb_xy = mb_x + (mb_y-1)*s->mb_stride; }else{ int mb_xy = mb_x + mb_y*s->mb_stride; mba_xy = mb_xy - 1; mbb_xy = mb_xy - s->mb_stride; } if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mba_xy] )) ctx++; if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mbb_xy] )) ctx++; if( h->slice_type == B_TYPE ) ctx += 13; return get_cabac( &h->cabac, &h->cabac_state[11+ctx] ); } | 24,373 |
0 | static int handle_packets(AVFormatContext *s, int nb_packets) { MpegTSContext *ts = s->priv_data; ByteIOContext *pb = &s->pb; uint8_t packet[TS_FEC_PACKET_SIZE]; int packet_num, len; ts->stop_parse = 0; packet_num = 0; for(;;) { if (ts->stop_parse) break; packet_num++; if (nb_packets != 0 && packet_num >= nb_packets) break; len = get_buffer(pb, packet, ts->raw_packet_size); if (len != ts->raw_packet_size) return AVERROR_IO; /* check paquet sync byte */ /* XXX: accept to resync ? */ if (packet[0] != 0x47) return AVERROR_INVALIDDATA; handle_packet(s, packet); } return 0; } | 24,374 |
1 | QTestState *qtest_init(const char *extra_args) { QTestState *s; int sock, qmpsock, i; gchar *socket_path; gchar *qmp_socket_path; gchar *command; const char *qemu_binary; struct sigaction sigact; qemu_binary = getenv("QTEST_QEMU_BINARY"); g_assert(qemu_binary != NULL); s = g_malloc(sizeof(*s)); socket_path = g_strdup_printf("/tmp/qtest-%d.sock", getpid()); qmp_socket_path = g_strdup_printf("/tmp/qtest-%d.qmp", getpid()); sock = init_socket(socket_path); qmpsock = init_socket(qmp_socket_path); /* Catch SIGABRT to clean up on g_assert() failure */ sigact = (struct sigaction){ .sa_handler = sigabrt_handler, .sa_flags = SA_RESETHAND, }; sigemptyset(&sigact.sa_mask); sigaction(SIGABRT, &sigact, &s->sigact_old); s->qemu_pid = fork(); if (s->qemu_pid == 0) { command = g_strdup_printf("exec %s " "-qtest unix:%s,nowait " "-qtest-log /dev/null " "-qmp unix:%s,nowait " "-machine accel=qtest " "-display none " "%s", qemu_binary, socket_path, qmp_socket_path, extra_args ?: ""); execlp("/bin/sh", "sh", "-c", command, NULL); exit(1); } s->fd = socket_accept(sock); s->qmp_fd = socket_accept(qmpsock); unlink(socket_path); unlink(qmp_socket_path); g_free(socket_path); g_free(qmp_socket_path); s->rx = g_string_new(""); for (i = 0; i < MAX_IRQ; i++) { s->irq_level[i] = false; } /* Read the QMP greeting and then do the handshake */ qtest_qmp_discard_response(s, ""); qtest_qmp_discard_response(s, "{ 'execute': 'qmp_capabilities' }"); if (getenv("QTEST_STOP")) { kill(s->qemu_pid, SIGSTOP); } return s; } | 24,376 |
1 | static void qxl_init_ramsize(PCIQXLDevice *qxl) { /* vga mode framebuffer / primary surface (bar 0, first part) */ if (qxl->vgamem_size_mb < 8) { qxl->vgamem_size_mb = 8; qxl->vgamem_size = qxl->vgamem_size_mb * 1024 * 1024; /* vga ram (bar 0, total) */ if (qxl->ram_size_mb != -1) { qxl->vga.vram_size = qxl->ram_size_mb * 1024 * 1024; if (qxl->vga.vram_size < qxl->vgamem_size * 2) { qxl->vga.vram_size = qxl->vgamem_size * 2; /* vram32 (surfaces, 32bit, bar 1) */ if (qxl->vram32_size_mb != -1) { qxl->vram32_size = qxl->vram32_size_mb * 1024 * 1024; if (qxl->vram32_size < 4096) { qxl->vram32_size = 4096; /* vram (surfaces, 64bit, bar 4+5) */ if (qxl->vram_size_mb != -1) { qxl->vram_size = qxl->vram_size_mb * 1024 * 1024; if (qxl->vram_size < qxl->vram32_size) { qxl->vram_size = qxl->vram32_size; if (qxl->revision == 1) { qxl->vram32_size = 4096; qxl->vram_size = 4096; qxl->vgamem_size = msb_mask(qxl->vgamem_size * 2 - 1); qxl->vga.vram_size = msb_mask(qxl->vga.vram_size * 2 - 1); qxl->vram32_size = msb_mask(qxl->vram32_size * 2 - 1); qxl->vram_size = msb_mask(qxl->vram_size * 2 - 1); | 24,377 |
1 | static int decode_packet(J2kDecoderContext *s, J2kCodingStyle *codsty, J2kResLevel *rlevel, int precno, int layno, uint8_t *expn, int numgbits) { int bandno, cblkny, cblknx, cblkno, ret; if (!(ret = get_bits(s, 1))){ j2k_flush(s); return 0; } else if (ret < 0) return ret; for (bandno = 0; bandno < rlevel->nbands; bandno++){ J2kBand *band = rlevel->band + bandno; J2kPrec *prec = band->prec + precno; int pos = 0; if (band->coord[0][0] == band->coord[0][1] || band->coord[1][0] == band->coord[1][1]) continue; for (cblkny = prec->yi0; cblkny < prec->yi1; cblkny++) for(cblknx = prec->xi0, cblkno = cblkny * band->cblknx + cblknx; cblknx < prec->xi1; cblknx++, cblkno++, pos++){ J2kCblk *cblk = band->cblk + cblkno; int incl, newpasses, llen; if (cblk->npasses) incl = get_bits(s, 1); else incl = tag_tree_decode(s, prec->cblkincl + pos, layno+1) == layno; if (!incl) continue; else if (incl < 0) return incl; if (!cblk->npasses) cblk->nonzerobits = expn[bandno] + numgbits - 1 - tag_tree_decode(s, prec->zerobits + pos, 100); if ((newpasses = getnpasses(s)) < 0) return newpasses; if ((llen = getlblockinc(s)) < 0) return llen; cblk->lblock += llen; if ((ret = get_bits(s, av_log2(newpasses) + cblk->lblock)) < 0) return ret; cblk->lengthinc = ret; cblk->npasses += newpasses; } } j2k_flush(s); if (codsty->csty & J2K_CSTY_EPH) { if (AV_RB16(s->buf) == J2K_EPH) { s->buf += 2; } else { av_log(s->avctx, AV_LOG_ERROR, "EPH marker not found.\n"); } } for (bandno = 0; bandno < rlevel->nbands; bandno++){ J2kBand *band = rlevel->band + bandno; int yi, cblknw = band->prec[precno].xi1 - band->prec[precno].xi0; for (yi = band->prec[precno].yi0; yi < band->prec[precno].yi1; yi++){ int xi; for (xi = band->prec[precno].xi0; xi < band->prec[precno].xi1; xi++){ J2kCblk *cblk = band->cblk + yi * cblknw + xi; if (s->buf_end - s->buf < cblk->lengthinc) return AVERROR(EINVAL); bytestream_get_buffer(&s->buf, cblk->data, cblk->lengthinc); cblk->length += cblk->lengthinc; cblk->lengthinc = 0; } } } return 0; } | 24,378 |
1 | static SoftFloat sbr_sum_square_c(int (*x)[2], int n) { SoftFloat ret; uint64_t accu = 0, round; int i, nz; unsigned u; for (i = 0; i < n; i += 2) { // Larger values are inavlid and could cause overflows of accu. av_assert2(FFABS(x[i + 0][0]) >> 29 == 0); accu += (int64_t)x[i + 0][0] * x[i + 0][0]; av_assert2(FFABS(x[i + 0][1]) >> 29 == 0); accu += (int64_t)x[i + 0][1] * x[i + 0][1]; av_assert2(FFABS(x[i + 1][0]) >> 29 == 0); accu += (int64_t)x[i + 1][0] * x[i + 1][0]; av_assert2(FFABS(x[i + 1][1]) >> 29 == 0); accu += (int64_t)x[i + 1][1] * x[i + 1][1]; } u = accu >> 32; if (u == 0) { nz = 1; } else { nz = -1; while (u < 0x80000000U) { u <<= 1; nz++; } nz = 32 - nz; } round = 1ULL << (nz-1); u = ((accu + round) >> nz); u >>= 1; ret = av_int2sf(u, 15 - nz); return ret; } | 24,380 |
1 | int kvm_log_stop(target_phys_addr_t phys_addr, target_phys_addr_t end_addr) { return kvm_dirty_pages_log_change(phys_addr, end_addr, 0, KVM_MEM_LOG_DIRTY_PAGES); } | 24,381 |
1 | int qemu_strtoll(const char *nptr, const char **endptr, int base, int64_t *result) { char *p; int err = 0; if (!nptr) { if (endptr) { *endptr = nptr; } err = -EINVAL; } else { errno = 0; *result = strtoll(nptr, &p, base); err = check_strtox_error(endptr, p, errno); } return err; } | 24,382 |
1 | static int sofalizer_convolute(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) { SOFAlizerContext *s = ctx->priv; ThreadData *td = arg; AVFrame *in = td->in, *out = td->out; int offset = jobnr; int *write = &td->write[jobnr]; const int *const delay = td->delay[jobnr]; const float *const ir = td->ir[jobnr]; int *n_clippings = &td->n_clippings[jobnr]; float *ringbuffer = td->ringbuffer[jobnr]; float *temp_src = td->temp_src[jobnr]; const int n_samples = s->sofa.n_samples; /* length of one IR */ const float *src = (const float *)in->data[0]; /* get pointer to audio input buffer */ float *dst = (float *)out->data[0]; /* get pointer to audio output buffer */ const int in_channels = s->n_conv; /* number of input channels */ /* ring buffer length is: longest IR plus max. delay -> next power of 2 */ const int buffer_length = s->buffer_length; /* -1 for AND instead of MODULO (applied to powers of 2): */ const uint32_t modulo = (uint32_t)buffer_length - 1; float *buffer[16]; /* holds ringbuffer for each input channel */ int wr = *write; int read; int i, l; dst += offset; for (l = 0; l < in_channels; l++) { /* get starting address of ringbuffer for each input channel */ buffer[l] = ringbuffer + l * buffer_length; } for (i = 0; i < in->nb_samples; i++) { const float *temp_ir = ir; /* using same set of IRs for each sample */ *dst = 0; for (l = 0; l < in_channels; l++) { /* write current input sample to ringbuffer (for each channel) */ *(buffer[l] + wr) = src[l]; } /* loop goes through all channels to be convolved */ for (l = 0; l < in_channels; l++) { const float *const bptr = buffer[l]; if (l == s->lfe_channel) { /* LFE is an input channel but requires no convolution */ /* apply gain to LFE signal and add to output buffer */ *dst += *(buffer[s->lfe_channel] + wr) * s->gain_lfe; temp_ir += n_samples; continue; } /* current read position in ringbuffer: input sample write position * - delay for l-th ch. + diff. betw. IR length and buffer length * (mod buffer length) */ read = (wr - *(delay + l) - (n_samples - 1) + buffer_length) & modulo; if (read + n_samples < buffer_length) { memcpy(temp_src, bptr + read, n_samples * sizeof(*temp_src)); } else { int len = FFMIN(n_samples - (read % n_samples), buffer_length - read); memcpy(temp_src, bptr + read, len * sizeof(*temp_src)); memcpy(temp_src + len, bptr, (n_samples - len) * sizeof(*temp_src)); } /* multiply signal and IR, and add up the results */ dst[0] += s->fdsp->scalarproduct_float(temp_ir, temp_src, n_samples); temp_ir += n_samples; } /* clippings counter */ if (fabs(*dst) > 1) *n_clippings += 1; /* move output buffer pointer by +2 to get to next sample of processed channel: */ dst += 2; src += in_channels; wr = (wr + 1) & modulo; /* update ringbuffer write position */ } *write = wr; /* remember write position in ringbuffer for next call */ return 0; } | 24,383 |
1 | int ff_htmlmarkup_to_ass(void *log_ctx, AVBPrint *dst, const char *in) { char *param, buffer[128], tmp[128]; int len, tag_close, sptr = 1, line_start = 1, an = 0, end = 0; SrtStack stack[16]; int closing_brace_missing = 0; stack[0].tag[0] = 0; strcpy(stack[0].param[PARAM_SIZE], "{\\fs}"); strcpy(stack[0].param[PARAM_COLOR], "{\\c}"); strcpy(stack[0].param[PARAM_FACE], "{\\fn}"); for (; !end && *in; in++) { switch (*in) { case '\r': break; case '\n': if (line_start) { end = 1; break; } rstrip_spaces_buf(dst); av_bprintf(dst, "\\N"); line_start = 1; break; case ' ': if (!line_start) av_bprint_chars(dst, *in, 1); break; case '{': handle_open_brace(dst, &in, &an, &closing_brace_missing); break; case '<': tag_close = in[1] == '/'; len = 0; if (sscanf(in+tag_close+1, "%127[^>]>%n", buffer, &len) >= 1 && len > 0) { const char *tagname = buffer; while (*tagname == ' ') tagname++; if ((param = strchr(tagname, ' '))) *param++ = 0; if ((!tag_close && sptr < FF_ARRAY_ELEMS(stack)) || ( tag_close && sptr > 0 && !av_strcasecmp(stack[sptr-1].tag, tagname))) { int i, j, unknown = 0; in += len + tag_close; if (!tag_close) memset(stack+sptr, 0, sizeof(*stack)); if (!av_strcasecmp(tagname, "font")) { if (tag_close) { for (i=PARAM_NUMBER-1; i>=0; i--) if (stack[sptr-1].param[i][0]) for (j=sptr-2; j>=0; j--) if (stack[j].param[i][0]) { av_bprintf(dst, "%s", stack[j].param[i]); break; } } else { while (param) { if (!av_strncasecmp(param, "size=", 5)) { unsigned font_size; param += 5 + (param[5] == '"'); if (sscanf(param, "%u", &font_size) == 1) { snprintf(stack[sptr].param[PARAM_SIZE], sizeof(stack[0].param[PARAM_SIZE]), "{\\fs%u}", font_size); } } else if (!av_strncasecmp(param, "color=", 6)) { param += 6 + (param[6] == '"'); snprintf(stack[sptr].param[PARAM_COLOR], sizeof(stack[0].param[PARAM_COLOR]), "{\\c&H%X&}", html_color_parse(log_ctx, param)); } else if (!av_strncasecmp(param, "face=", 5)) { param += 5 + (param[5] == '"'); len = strcspn(param, param[-1] == '"' ? "\"" :" "); av_strlcpy(tmp, param, FFMIN(sizeof(tmp), len+1)); param += len; snprintf(stack[sptr].param[PARAM_FACE], sizeof(stack[0].param[PARAM_FACE]), "{\\fn%s}", tmp); } if ((param = strchr(param, ' '))) param++; } for (i=0; i<PARAM_NUMBER; i++) if (stack[sptr].param[i][0]) av_bprintf(dst, "%s", stack[sptr].param[i]); } } else if (tagname[0] && !tagname[1] && av_stristr("bisu", tagname)) { av_bprintf(dst, "{\\%c%d}", (char)av_tolower(tagname[0]), !tag_close); } else if (!av_strcasecmp(tagname, "br")) { av_bprintf(dst, "\\N"); } else { unknown = 1; snprintf(tmp, sizeof(tmp), "</%s>", tagname); } if (tag_close) { sptr--; } else if (unknown && !strstr(in, tmp)) { in -= len + tag_close; av_bprint_chars(dst, *in, 1); } else av_strlcpy(stack[sptr++].tag, tagname, sizeof(stack[0].tag)); break; } } default: av_bprint_chars(dst, *in, 1); break; } if (*in != ' ' && *in != '\r' && *in != '\n') line_start = 0; } if (!av_bprint_is_complete(dst)) return AVERROR(ENOMEM); while (dst->len >= 2 && !strncmp(&dst->str[dst->len - 2], "\\N", 2)) dst->len -= 2; dst->str[dst->len] = 0; rstrip_spaces_buf(dst); return 0; } | 24,385 |
1 | void qemu_mutex_destroy(QemuMutex *mutex) { assert(mutex->owner == 0); DeleteCriticalSection(&mutex->lock); } | 24,386 |
1 | static int usb_host_handle_iso_data(USBHostDevice *s, USBPacket *p, int in) { AsyncURB *aurb; int i, j, ret, max_packet_size, offset, len = 0; max_packet_size = get_max_packet_size(s, p->devep); if (max_packet_size == 0) return USB_RET_NAK; aurb = get_iso_urb(s, p->devep); if (!aurb) { aurb = usb_host_alloc_iso(s, p->devep, in); } i = get_iso_urb_idx(s, p->devep); j = aurb[i].iso_frame_idx; if (j >= 0 && j < ISO_FRAME_DESC_PER_URB) { if (in) { /* Check urb status */ if (aurb[i].urb.status) { len = urb_status_to_usb_ret(aurb[i].urb.status); /* Move to the next urb */ aurb[i].iso_frame_idx = ISO_FRAME_DESC_PER_URB - 1; /* Check frame status */ } else if (aurb[i].urb.iso_frame_desc[j].status) { len = urb_status_to_usb_ret( aurb[i].urb.iso_frame_desc[j].status); /* Check the frame fits */ } else if (aurb[i].urb.iso_frame_desc[j].actual_length > p->len) { printf("husb: received iso data is larger then packet\n"); len = USB_RET_NAK; /* All good copy data over */ } else { len = aurb[i].urb.iso_frame_desc[j].actual_length; memcpy(p->data, aurb[i].urb.buffer + j * aurb[i].urb.iso_frame_desc[0].length, len); } } else { len = p->len; offset = (j == 0) ? 0 : get_iso_buffer_used(s, p->devep); /* Check the frame fits */ if (len > max_packet_size) { printf("husb: send iso data is larger then max packet size\n"); return USB_RET_NAK; } /* All good copy data over */ memcpy(aurb[i].urb.buffer + offset, p->data, len); aurb[i].urb.iso_frame_desc[j].length = len; offset += len; set_iso_buffer_used(s, p->devep, offset); /* Start the stream once we have buffered enough data */ if (!is_iso_started(s, p->devep) && i == 1 && j == 8) { set_iso_started(s, p->devep); } } aurb[i].iso_frame_idx++; if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) { i = (i + 1) % s->iso_urb_count; set_iso_urb_idx(s, p->devep, i); } } else { if (in) { set_iso_started(s, p->devep); } else { DPRINTF("hubs: iso out error no free buffer, dropping packet\n"); } } if (is_iso_started(s, p->devep)) { /* (Re)-submit all fully consumed / filled urbs */ for (i = 0; i < s->iso_urb_count; i++) { if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) { ret = ioctl(s->fd, USBDEVFS_SUBMITURB, &aurb[i]); if (ret < 0) { printf("husb error submitting iso urb %d: %d\n", i, errno); if (!in || len == 0) { switch(errno) { case ETIMEDOUT: len = USB_RET_NAK; break; case EPIPE: default: len = USB_RET_STALL; } } break; } aurb[i].iso_frame_idx = -1; change_iso_inflight(s, p->devep, +1); } } } return len; } | 24,387 |
1 | static void pcie_pci_bridge_realize(PCIDevice *d, Error **errp) { PCIBridge *br = PCI_BRIDGE(d); PCIEPCIBridge *pcie_br = PCIE_PCI_BRIDGE_DEV(d); int rc, pos; pci_bridge_initfn(d, TYPE_PCI_BUS); d->config[PCI_INTERRUPT_PIN] = 0x1; memory_region_init(&pcie_br->shpc_bar, OBJECT(d), "shpc-bar", shpc_bar_size(d)); rc = shpc_init(d, &br->sec_bus, &pcie_br->shpc_bar, 0, errp); if (rc) { goto error; } rc = pcie_cap_init(d, 0, PCI_EXP_TYPE_PCI_BRIDGE, 0, errp); if (rc < 0) { goto cap_error; } pos = pci_add_capability(d, PCI_CAP_ID_PM, 0, PCI_PM_SIZEOF, errp); if (pos < 0) { goto pm_error; } d->exp.pm_cap = pos; pci_set_word(d->config + pos + PCI_PM_PMC, 0x3); pcie_cap_arifwd_init(d); pcie_cap_deverr_init(d); rc = pcie_aer_init(d, PCI_ERR_VER, 0x100, PCI_ERR_SIZEOF, errp); if (rc < 0) { goto aer_error; } if (pcie_br->msi != ON_OFF_AUTO_OFF) { rc = msi_init(d, 0, 1, true, true, errp); if (rc < 0) { goto msi_error; } } pci_register_bar(d, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64, &pcie_br->shpc_bar); return; msi_error: pcie_aer_exit(d); aer_error: pm_error: pcie_cap_exit(d); cap_error: shpc_free(d); error: pci_bridge_exitfn(d); } | 24,388 |
1 | static int qcrypto_cipher_init_aes(QCryptoCipher *cipher, const uint8_t *key, size_t nkey, Error **errp) { QCryptoCipherBuiltin *ctxt; if (cipher->mode != QCRYPTO_CIPHER_MODE_CBC && cipher->mode != QCRYPTO_CIPHER_MODE_ECB) { error_setg(errp, "Unsupported cipher mode %d", cipher->mode); return -1; } ctxt = g_new0(QCryptoCipherBuiltin, 1); if (AES_set_encrypt_key(key, nkey * 8, &ctxt->state.aes.encrypt_key) != 0) { error_setg(errp, "Failed to set encryption key"); goto error; } if (AES_set_decrypt_key(key, nkey * 8, &ctxt->state.aes.decrypt_key) != 0) { error_setg(errp, "Failed to set decryption key"); goto error; } ctxt->free = qcrypto_cipher_free_aes; ctxt->setiv = qcrypto_cipher_setiv_aes; ctxt->encrypt = qcrypto_cipher_encrypt_aes; ctxt->decrypt = qcrypto_cipher_decrypt_aes; cipher->opaque = ctxt; return 0; error: g_free(ctxt); return -1; } | 24,389 |
1 | static int mxf_read_partition_pack(void *arg, AVIOContext *pb, int tag, int size, UID uid) { MXFContext *mxf = arg; MXFPartition *partition; UID op; uint64_t footer_partition; if (mxf->partitions_count+1 >= UINT_MAX / sizeof(*mxf->partitions)) return AVERROR(ENOMEM); mxf->partitions = av_realloc(mxf->partitions, (mxf->partitions_count + 1) * sizeof(*mxf->partitions)); if (!mxf->partitions) return AVERROR(ENOMEM); if (mxf->parsing_backward) { /* insert the new partition pack in the middle * this makes the entries in mxf->partitions sorted by offset */ memmove(&mxf->partitions[mxf->last_forward_partition+1], &mxf->partitions[mxf->last_forward_partition], (mxf->partitions_count - mxf->last_forward_partition)*sizeof(*mxf->partitions)); partition = mxf->current_partition = &mxf->partitions[mxf->last_forward_partition]; } else { mxf->last_forward_partition++; partition = mxf->current_partition = &mxf->partitions[mxf->partitions_count]; } memset(partition, 0, sizeof(*partition)); mxf->partitions_count++; switch(uid[13]) { case 2: partition->type = Header; break; case 3: partition->type = BodyPartition; break; case 4: partition->type = Footer; break; default: av_log(mxf->fc, AV_LOG_ERROR, "unknown partition type %i\n", uid[13]); return AVERROR_INVALIDDATA; } /* consider both footers to be closed (there is only Footer and CompleteFooter) */ partition->closed = partition->type == Footer || !(uid[14] & 1); partition->complete = uid[14] > 2; avio_skip(pb, 8); partition->this_partition = avio_rb64(pb); partition->previous_partition = avio_rb64(pb); footer_partition = avio_rb64(pb); avio_skip(pb, 16); partition->index_sid = avio_rb32(pb); avio_skip(pb, 8); partition->body_sid = avio_rb32(pb); avio_read(pb, op, sizeof(UID)); /* some files don'thave FooterPartition set in every partition */ if (footer_partition) { if (mxf->footer_partition && mxf->footer_partition != footer_partition) { av_log(mxf->fc, AV_LOG_ERROR, "inconsistent FooterPartition value: %li != %li\n", mxf->footer_partition, footer_partition); } else { mxf->footer_partition = footer_partition; } } av_dlog(mxf->fc, "PartitionPack: ThisPartition = 0x%lx, PreviousPartition = 0x%lx, " "FooterPartition = 0x%lx, IndexSID = %i, BodySID = %i\n", partition->this_partition, partition->previous_partition, footer_partition, partition->index_sid, partition->body_sid); if (op[12] == 1 && op[13] == 1) mxf->op = OP1a; else if (op[12] == 1 && op[13] == 2) mxf->op = OP1b; else if (op[12] == 1 && op[13] == 3) mxf->op = OP1c; else if (op[12] == 2 && op[13] == 1) mxf->op = OP2a; else if (op[12] == 2 && op[13] == 2) mxf->op = OP2b; else if (op[12] == 2 && op[13] == 3) mxf->op = OP2c; else if (op[12] == 3 && op[13] == 1) mxf->op = OP3a; else if (op[12] == 3 && op[13] == 2) mxf->op = OP3b; else if (op[12] == 3 && op[13] == 3) mxf->op = OP3c; else if (op[12] == 0x10) mxf->op = OPAtom; else av_log(mxf->fc, AV_LOG_ERROR, "unknown operational pattern: %02xh %02xh\n", op[12], op[13]); return 0; } | 24,390 |
1 | static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, int w, int h){ int x,y; uint64_t ssd=0; //printf("%d %d\n", w, h); for(y=0; y<h; y++){ for(x=0; x<w; x++){ int d= src1[x + y*stride1] - src2[x + y*stride2]; ssd+= d*d; //printf("%d", abs(src1[x + y*stride1] - src2[x + y*stride2])/26 ); } //printf("\n"); } return ssd; } | 24,391 |
1 | static inline void test_server_connect(TestServer *server) { test_server_create_chr(server, ",reconnect=1"); } | 24,393 |
0 | static int put_system_header(AVFormatContext *ctx, uint8_t *buf,int only_for_stream_id) { MpegMuxContext *s = ctx->priv_data; int size, i, private_stream_coded, id; PutBitContext pb; init_put_bits(&pb, buf, 128); put_bits(&pb, 32, SYSTEM_HEADER_START_CODE); put_bits(&pb, 16, 0); put_bits(&pb, 1, 1); put_bits(&pb, 22, s->mux_rate); /* maximum bit rate of the multiplexed stream */ put_bits(&pb, 1, 1); /* marker */ if (s->is_vcd && only_for_stream_id==VIDEO_ID) { /* This header applies only to the video stream (see VCD standard p. IV-7)*/ put_bits(&pb, 6, 0); } else put_bits(&pb, 6, s->audio_bound); if (s->is_vcd) { /* see VCD standard, p. IV-7*/ put_bits(&pb, 1, 0); put_bits(&pb, 1, 1); } else { put_bits(&pb, 1, 0); /* variable bitrate*/ put_bits(&pb, 1, 0); /* non constrainted bit stream */ } if (s->is_vcd || s->is_dvd) { /* see VCD standard p IV-7 */ put_bits(&pb, 1, 1); /* audio locked */ put_bits(&pb, 1, 1); /* video locked */ } else { put_bits(&pb, 1, 0); /* audio locked */ put_bits(&pb, 1, 0); /* video locked */ } put_bits(&pb, 1, 1); /* marker */ if (s->is_vcd && only_for_stream_id==AUDIO_ID) { /* This header applies only to the audio stream (see VCD standard p. IV-7)*/ put_bits(&pb, 5, 0); } else put_bits(&pb, 5, s->video_bound); if (s->is_dvd) { put_bits(&pb, 1, 0); /* packet_rate_restriction_flag */ put_bits(&pb, 7, 0x7f); /* reserved byte */ } else put_bits(&pb, 8, 0xff); /* reserved byte */ /* DVD-Video Stream_bound entries id (0xB9) video, maximum P-STD for stream 0xE0. (P-STD_buffer_bound_scale = 1) id (0xB8) audio, maximum P-STD for any MPEG audio (0xC0 to 0xC7) streams. If there are none set to 4096 (32x128). (P-STD_buffer_bound_scale = 0) id (0xBD) private stream 1 (audio other than MPEG and subpictures). (P-STD_buffer_bound_scale = 1) id (0xBF) private stream 2, NAV packs, set to 2x1024. */ if (s->is_dvd) { int P_STD_max_video = 0; int P_STD_max_mpeg_audio = 0; int P_STD_max_mpeg_PS1 = 0; for(i=0;i<ctx->nb_streams;i++) { StreamInfo *stream = ctx->streams[i]->priv_data; id = stream->id; if (id == 0xbd && stream->max_buffer_size > P_STD_max_mpeg_PS1) { P_STD_max_mpeg_PS1 = stream->max_buffer_size; } else if (id >= 0xc0 && id <= 0xc7 && stream->max_buffer_size > P_STD_max_mpeg_audio) { P_STD_max_mpeg_audio = stream->max_buffer_size; } else if (id == 0xe0 && stream->max_buffer_size > P_STD_max_video) { P_STD_max_video = stream->max_buffer_size; } } /* video */ put_bits(&pb, 8, 0xb9); /* stream ID */ put_bits(&pb, 2, 3); put_bits(&pb, 1, 1); put_bits(&pb, 13, P_STD_max_video / 1024); /* audio */ if (P_STD_max_mpeg_audio == 0) P_STD_max_mpeg_audio = 4096; put_bits(&pb, 8, 0xb8); /* stream ID */ put_bits(&pb, 2, 3); put_bits(&pb, 1, 0); put_bits(&pb, 13, P_STD_max_mpeg_audio / 128); /* private stream 1 */ put_bits(&pb, 8, 0xbd); /* stream ID */ put_bits(&pb, 2, 3); put_bits(&pb, 1, 0); put_bits(&pb, 13, P_STD_max_mpeg_PS1 / 128); /* private stream 2 */ put_bits(&pb, 8, 0xbf); /* stream ID */ put_bits(&pb, 2, 3); put_bits(&pb, 1, 1); put_bits(&pb, 13, 2); } else { /* audio stream info */ private_stream_coded = 0; for(i=0;i<ctx->nb_streams;i++) { StreamInfo *stream = ctx->streams[i]->priv_data; /* For VCDs, only include the stream info for the stream that the pack which contains this system belongs to. (see VCD standard p. IV-7) */ if ( !s->is_vcd || stream->id==only_for_stream_id || only_for_stream_id==0) { id = stream->id; if (id < 0xc0) { /* special case for private streams (AC-3 uses that) */ if (private_stream_coded) continue; private_stream_coded = 1; id = 0xbd; } put_bits(&pb, 8, id); /* stream ID */ put_bits(&pb, 2, 3); if (id < 0xe0) { /* audio */ put_bits(&pb, 1, 0); put_bits(&pb, 13, stream->max_buffer_size / 128); } else { /* video */ put_bits(&pb, 1, 1); put_bits(&pb, 13, stream->max_buffer_size / 1024); } } } } flush_put_bits(&pb); size = put_bits_ptr(&pb) - pb.buf; /* patch packet size */ buf[4] = (size - 6) >> 8; buf[5] = (size - 6) & 0xff; return size; } | 24,394 |
0 | static int standard_decode_i_mbs(VC9Context *v) { int x, y, ac_pred, cbpcy; /* Select ttmb table depending on pq */ if (v->pq < 5) v->ttmb_vlc = &vc9_ttmb_vlc[0]; else if (v->pq < 13) v->ttmb_vlc = &vc9_ttmb_vlc[1]; else v->ttmb_vlc = &vc9_ttmb_vlc[2]; for (y=0; y<v->height_mb; y++) { for (x=0; x<v->width_mb; x++) { cbpcy = get_vlc2(&v->gb, vc9_cbpcy_i_vlc.table, VC9_CBPCY_I_VLC_BITS, 2); ac_pred = get_bits(&v->gb, 1); //Decode blocks from that mb wrt cbpcy } } return 0; } | 24,395 |
0 | static void ff_h264_idct8_dc_add_mmx2(uint8_t *dst, int16_t *block, int stride) { int dc = (block[0] + 32) >> 6; int y; __asm__ volatile( "movd %0, %%mm0 \n\t" "pshufw $0, %%mm0, %%mm0 \n\t" "pxor %%mm1, %%mm1 \n\t" "psubw %%mm0, %%mm1 \n\t" "packuswb %%mm0, %%mm0 \n\t" "packuswb %%mm1, %%mm1 \n\t" ::"r"(dc) ); for(y=2; y--; dst += 4*stride){ __asm__ volatile( "movq %0, %%mm2 \n\t" "movq %1, %%mm3 \n\t" "movq %2, %%mm4 \n\t" "movq %3, %%mm5 \n\t" "paddusb %%mm0, %%mm2 \n\t" "paddusb %%mm0, %%mm3 \n\t" "paddusb %%mm0, %%mm4 \n\t" "paddusb %%mm0, %%mm5 \n\t" "psubusb %%mm1, %%mm2 \n\t" "psubusb %%mm1, %%mm3 \n\t" "psubusb %%mm1, %%mm4 \n\t" "psubusb %%mm1, %%mm5 \n\t" "movq %%mm2, %0 \n\t" "movq %%mm3, %1 \n\t" "movq %%mm4, %2 \n\t" "movq %%mm5, %3 \n\t" :"+m"(*(uint64_t*)(dst+0*stride)), "+m"(*(uint64_t*)(dst+1*stride)), "+m"(*(uint64_t*)(dst+2*stride)), "+m"(*(uint64_t*)(dst+3*stride)) ); } } | 24,396 |
0 | static int movie_get_frame(AVFilterLink *outlink) { MovieContext *movie = outlink->src->priv; AVPacket pkt; int ret, frame_decoded; AVStream *st = movie->format_ctx->streams[movie->stream_index]; if (movie->is_done == 1) return 0; while ((ret = av_read_frame(movie->format_ctx, &pkt)) >= 0) { // Is this a packet from the video stream? if (pkt.stream_index == movie->stream_index) { avcodec_decode_video2(movie->codec_ctx, movie->frame, &frame_decoded, &pkt); if (frame_decoded) { /* FIXME: avoid the memcpy */ movie->picref = avfilter_get_video_buffer(outlink, AV_PERM_WRITE | AV_PERM_PRESERVE | AV_PERM_REUSE2, outlink->w, outlink->h); av_image_copy(movie->picref->data, movie->picref->linesize, (void*)movie->frame->data, movie->frame->linesize, movie->picref->format, outlink->w, outlink->h); avfilter_copy_frame_props(movie->picref, movie->frame); /* FIXME: use a PTS correction mechanism as that in * ffplay.c when some API will be available for that */ /* use pkt_dts if pkt_pts is not available */ movie->picref->pts = movie->frame->pkt_pts == AV_NOPTS_VALUE ? movie->frame->pkt_dts : movie->frame->pkt_pts; if (!movie->frame->sample_aspect_ratio.num) movie->picref->video->sample_aspect_ratio = st->sample_aspect_ratio; av_dlog(outlink->src, "movie_get_frame(): file:'%s' pts:%"PRId64" time:%lf pos:%"PRId64" aspect:%d/%d\n", movie->file_name, movie->picref->pts, (double)movie->picref->pts * av_q2d(st->time_base), movie->picref->pos, movie->picref->video->sample_aspect_ratio.num, movie->picref->video->sample_aspect_ratio.den); // We got it. Free the packet since we are returning av_free_packet(&pkt); return 0; } } // Free the packet that was allocated by av_read_frame av_free_packet(&pkt); } // On multi-frame source we should stop the mixing process when // the movie source does not have more frames if (ret == AVERROR_EOF) movie->is_done = 1; return ret; } | 24,397 |
1 | static void do_io_interrupt(CPUS390XState *env) { S390CPU *cpu = s390_env_get_cpu(env); LowCore *lowcore; IOIntQueue *q; uint8_t isc; int disable = 1; int found = 0; if (!(env->psw.mask & PSW_MASK_IO)) { cpu_abort(CPU(cpu), "I/O int w/o I/O mask\n"); } for (isc = 0; isc < ARRAY_SIZE(env->io_index); isc++) { uint64_t isc_bits; if (env->io_index[isc] < 0) { continue; } if (env->io_index[isc] > MAX_IO_QUEUE) { cpu_abort(CPU(cpu), "I/O queue overrun for isc %d: %d\n", isc, env->io_index[isc]); } q = &env->io_queue[env->io_index[isc]][isc]; isc_bits = ISC_TO_ISC_BITS(IO_INT_WORD_ISC(q->word)); if (!(env->cregs[6] & isc_bits)) { disable = 0; continue; } if (!found) { uint64_t mask, addr; found = 1; lowcore = cpu_map_lowcore(env); lowcore->subchannel_id = cpu_to_be16(q->id); lowcore->subchannel_nr = cpu_to_be16(q->nr); lowcore->io_int_parm = cpu_to_be32(q->parm); lowcore->io_int_word = cpu_to_be32(q->word); lowcore->io_old_psw.mask = cpu_to_be64(get_psw_mask(env)); lowcore->io_old_psw.addr = cpu_to_be64(env->psw.addr); mask = be64_to_cpu(lowcore->io_new_psw.mask); addr = be64_to_cpu(lowcore->io_new_psw.addr); cpu_unmap_lowcore(lowcore); env->io_index[isc]--; DPRINTF("%s: %" PRIx64 " %" PRIx64 "\n", __func__, env->psw.mask, env->psw.addr); load_psw(env, mask, addr); } if (env->io_index[isc] >= 0) { disable = 0; } continue; } if (disable) { env->pending_int &= ~INTERRUPT_IO; } } | 24,399 |
1 | static int rtp_new_av_stream(HTTPContext *c, int stream_index, struct sockaddr_in *dest_addr, HTTPContext *rtsp_c) { AVFormatContext *ctx; AVStream *st; char *ipaddr; URLContext *h = NULL; uint8_t *dummy_buf; int max_packet_size; /* now we can open the relevant output stream */ ctx = avformat_alloc_context(); if (!ctx) return -1; ctx->oformat = av_guess_format("rtp", NULL, NULL); st = av_mallocz(sizeof(AVStream)); if (!st) goto fail; st->codec= avcodec_alloc_context(); ctx->nb_streams = 1; ctx->streams[0] = st; if (!c->stream->feed || c->stream->feed == c->stream) memcpy(st, c->stream->streams[stream_index], sizeof(AVStream)); else memcpy(st, c->stream->feed->streams[c->stream->feed_streams[stream_index]], sizeof(AVStream)); st->priv_data = NULL; /* build destination RTP address */ ipaddr = inet_ntoa(dest_addr->sin_addr); switch(c->rtp_protocol) { case RTSP_LOWER_TRANSPORT_UDP: case RTSP_LOWER_TRANSPORT_UDP_MULTICAST: /* RTP/UDP case */ /* XXX: also pass as parameter to function ? */ if (c->stream->is_multicast) { int ttl; ttl = c->stream->multicast_ttl; if (!ttl) ttl = 16; snprintf(ctx->filename, sizeof(ctx->filename), "rtp://%s:%d?multicast=1&ttl=%d", ipaddr, ntohs(dest_addr->sin_port), ttl); } else { snprintf(ctx->filename, sizeof(ctx->filename), "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port)); } if (url_open(&h, ctx->filename, URL_WRONLY) < 0) goto fail; c->rtp_handles[stream_index] = h; max_packet_size = url_get_max_packet_size(h); break; case RTSP_LOWER_TRANSPORT_TCP: /* RTP/TCP case */ c->rtsp_c = rtsp_c; max_packet_size = RTSP_TCP_MAX_PACKET_SIZE; break; default: goto fail; } http_log("%s:%d - - \"PLAY %s/streamid=%d %s\"\n", ipaddr, ntohs(dest_addr->sin_port), c->stream->filename, stream_index, c->protocol); /* normally, no packets should be output here, but the packet size may be checked */ if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) { /* XXX: close stream */ goto fail; } av_set_parameters(ctx, NULL); if (av_write_header(ctx) < 0) { fail: if (h) url_close(h); av_free(ctx); return -1; } url_close_dyn_buf(ctx->pb, &dummy_buf); av_free(dummy_buf); c->rtp_ctx[stream_index] = ctx; return 0; } | 24,401 |
1 | void unix_start_outgoing_migration(MigrationState *s, const char *path, Error **errp) { unix_nonblocking_connect(path, unix_wait_for_connect, s, errp); } | 24,402 |
1 | static void *mptsas_load_request(QEMUFile *f, SCSIRequest *sreq) { SCSIBus *bus = sreq->bus; MPTSASState *s = container_of(bus, MPTSASState, bus); PCIDevice *pci = PCI_DEVICE(s); MPTSASRequest *req; int i, n; req = g_new(MPTSASRequest, 1); qemu_get_buffer(f, (unsigned char *)&req->scsi_io, sizeof(req->scsi_io)); n = qemu_get_be32(f); /* TODO: add a way for SCSIBusInfo's load_request to fail, * and fail migration instead of asserting here. * When we do, we might be able to re-enable NDEBUG below. */ #ifdef NDEBUG #error building with NDEBUG is not supported #endif assert(n >= 0); pci_dma_sglist_init(&req->qsg, pci, n); for (i = 0; i < n; i++) { uint64_t base = qemu_get_be64(f); uint64_t len = qemu_get_be64(f); qemu_sglist_add(&req->qsg, base, len); } scsi_req_ref(sreq); req->sreq = sreq; req->dev = s; return req; } | 24,403 |
1 | static int dvbsub_parse_clut_segment(AVCodecContext *avctx, const uint8_t *buf, int buf_size) { DVBSubContext *ctx = avctx->priv_data; const uint8_t *buf_end = buf + buf_size; int i, clut_id; int version; DVBSubCLUT *clut; int entry_id, depth , full_range; int y, cr, cb, alpha; int r, g, b, r_add, g_add, b_add; ff_dlog(avctx, "DVB clut packet:\n"); for (i=0; i < buf_size; i++) { ff_dlog(avctx, "%02x ", buf[i]); if (i % 16 == 15) ff_dlog(avctx, "\n"); } if (i % 16) ff_dlog(avctx, "\n"); clut_id = *buf++; version = ((*buf)>>4)&15; buf += 1; clut = get_clut(ctx, clut_id); if (!clut) { clut = av_malloc(sizeof(DVBSubCLUT)); if (!clut) return AVERROR(ENOMEM); memcpy(clut, &default_clut, sizeof(DVBSubCLUT)); clut->id = clut_id; clut->version = -1; clut->next = ctx->clut_list; ctx->clut_list = clut; } if (clut->version != version) { clut->version = version; while (buf + 4 < buf_end) { entry_id = *buf++; depth = (*buf) & 0xe0; if (depth == 0) { av_log(avctx, AV_LOG_ERROR, "Invalid clut depth 0x%x!\n", *buf); } full_range = (*buf++) & 1; if (full_range) { y = *buf++; cr = *buf++; cb = *buf++; alpha = *buf++; } else { y = buf[0] & 0xfc; cr = (((buf[0] & 3) << 2) | ((buf[1] >> 6) & 3)) << 4; cb = (buf[1] << 2) & 0xf0; alpha = (buf[1] << 6) & 0xc0; buf += 2; } if (y == 0) alpha = 0xff; YUV_TO_RGB1_CCIR(cb, cr); YUV_TO_RGB2_CCIR(r, g, b, y); ff_dlog(avctx, "clut %d := (%d,%d,%d,%d)\n", entry_id, r, g, b, alpha); if (!!(depth & 0x80) + !!(depth & 0x40) + !!(depth & 0x20) > 1) { ff_dlog(avctx, "More than one bit level marked: %x\n", depth); if (avctx->strict_std_compliance > FF_COMPLIANCE_NORMAL) return AVERROR_INVALIDDATA; } if (depth & 0x80) clut->clut4[entry_id] = RGBA(r,g,b,255 - alpha); else if (depth & 0x40) clut->clut16[entry_id] = RGBA(r,g,b,255 - alpha); else if (depth & 0x20) clut->clut256[entry_id] = RGBA(r,g,b,255 - alpha); } } return 0; } | 24,404 |
1 | VLANClientState *qemu_new_vlan_client(VLANState *vlan, IOReadHandler *fd_read, void *opaque) { VLANClientState *vc, **pvc; vc = qemu_mallocz(sizeof(VLANClientState)); if (!vc) return NULL; vc->fd_read = fd_read; vc->opaque = opaque; vc->vlan = vlan; vc->next = NULL; pvc = &vlan->first_client; while (*pvc != NULL) pvc = &(*pvc)->next; *pvc = vc; return vc; } | 24,405 |
1 | static void unterminated_escape(void) { QObject *obj = qobject_from_json("\"abc\\\"", NULL); g_assert(obj == NULL); } | 24,406 |
1 | struct omap_gpmc_s *omap_gpmc_init(struct omap_mpu_state_s *mpu, hwaddr base, qemu_irq irq, qemu_irq drq) { int cs; struct omap_gpmc_s *s = (struct omap_gpmc_s *) g_malloc0(sizeof(struct omap_gpmc_s)); memory_region_init_io(&s->iomem, NULL, &omap_gpmc_ops, s, "omap-gpmc", 0x1000); memory_region_add_subregion(get_system_memory(), base, &s->iomem); s->irq = irq; s->drq = drq; s->accept_256 = cpu_is_omap3630(mpu); s->revision = cpu_class_omap3(mpu) ? 0x50 : 0x20; s->lastirq = 0; omap_gpmc_reset(s); /* We have to register a different IO memory handler for each * chip select region in case a NAND device is mapped there. We * make the region the worst-case size of 256MB and rely on the * container memory region in cs_map to chop it down to the actual * guest-requested size. */ for (cs = 0; cs < 8; cs++) { memory_region_init_io(&s->cs_file[cs].nandiomem, NULL, &omap_nand_ops, &s->cs_file[cs], "omap-nand", 256 * 1024 * 1024); } memory_region_init_io(&s->prefetch.iomem, NULL, &omap_prefetch_ops, s, "omap-gpmc-prefetch", 256 * 1024 * 1024); return s; } | 24,407 |
1 | bool trace_backend_init(const char *events, const char *file) { GThread *thread; if (!g_thread_supported()) { g_thread_init(NULL); } trace_available_cond = g_cond_new(); trace_empty_cond = g_cond_new(); thread = trace_thread_create(writeout_thread); if (!thread) { fprintf(stderr, "warning: unable to initialize simple trace backend\n"); return false; } atexit(st_flush_trace_buffer); trace_backend_init_events(events); st_set_trace_file(file); return true; } | 24,408 |
1 | static inline void vc1_pred_mv_intfr(VC1Context *v, int n, int dmv_x, int dmv_y, int mvn, int r_x, int r_y, uint8_t* is_intra) { MpegEncContext *s = &v->s; int xy, wrap, off = 0; int A[2], B[2], C[2]; int px, py; int a_valid = 0, b_valid = 0, c_valid = 0; int field_a, field_b, field_c; // 0: same, 1: opposit int total_valid, num_samefield, num_oppfield; int pos_c, pos_b, n_adj; wrap = s->b8_stride; xy = s->block_index[n]; if (s->mb_intra) { s->mv[0][n][0] = s->current_picture.f.motion_val[0][xy][0] = 0; s->mv[0][n][1] = s->current_picture.f.motion_val[0][xy][1] = 0; s->current_picture.f.motion_val[1][xy][0] = 0; s->current_picture.f.motion_val[1][xy][1] = 0; if (mvn == 1) { /* duplicate motion data for 1-MV block */ s->current_picture.f.motion_val[0][xy + 1][0] = 0; s->current_picture.f.motion_val[0][xy + 1][1] = 0; s->current_picture.f.motion_val[0][xy + wrap][0] = 0; s->current_picture.f.motion_val[0][xy + wrap][1] = 0; s->current_picture.f.motion_val[0][xy + wrap + 1][0] = 0; s->current_picture.f.motion_val[0][xy + wrap + 1][1] = 0; v->luma_mv[s->mb_x][0] = v->luma_mv[s->mb_x][1] = 0; s->current_picture.f.motion_val[1][xy + 1][0] = 0; s->current_picture.f.motion_val[1][xy + 1][1] = 0; s->current_picture.f.motion_val[1][xy + wrap][0] = 0; s->current_picture.f.motion_val[1][xy + wrap][1] = 0; s->current_picture.f.motion_val[1][xy + wrap + 1][0] = 0; s->current_picture.f.motion_val[1][xy + wrap + 1][1] = 0; } return; } off = ((n == 0) || (n == 1)) ? 1 : -1; /* predict A */ if (s->mb_x || (n == 1) || (n == 3)) { if ((v->blk_mv_type[xy]) // current block (MB) has a field MV || (!v->blk_mv_type[xy] && !v->blk_mv_type[xy - 1])) { // or both have frame MV A[0] = s->current_picture.f.motion_val[0][xy - 1][0]; A[1] = s->current_picture.f.motion_val[0][xy - 1][1]; a_valid = 1; } else { // current block has frame mv and cand. has field MV (so average) A[0] = (s->current_picture.f.motion_val[0][xy - 1][0] + s->current_picture.f.motion_val[0][xy - 1 + off * wrap][0] + 1) >> 1; A[1] = (s->current_picture.f.motion_val[0][xy - 1][1] + s->current_picture.f.motion_val[0][xy - 1 + off * wrap][1] + 1) >> 1; a_valid = 1; } if (!(n & 1) && v->is_intra[s->mb_x - 1]) { a_valid = 0; A[0] = A[1] = 0; } } else A[0] = A[1] = 0; /* Predict B and C */ B[0] = B[1] = C[0] = C[1] = 0; if (n == 0 || n == 1 || v->blk_mv_type[xy]) { if (!s->first_slice_line) { if (!v->is_intra[s->mb_x - s->mb_stride]) { b_valid = 1; n_adj = n | 2; pos_b = s->block_index[n_adj] - 2 * wrap; if (v->blk_mv_type[pos_b] && v->blk_mv_type[xy]) { n_adj = (n & 2) | (n & 1); } B[0] = s->current_picture.f.motion_val[0][s->block_index[n_adj] - 2 * wrap][0]; B[1] = s->current_picture.f.motion_val[0][s->block_index[n_adj] - 2 * wrap][1]; if (v->blk_mv_type[pos_b] && !v->blk_mv_type[xy]) { B[0] = (B[0] + s->current_picture.f.motion_val[0][s->block_index[n_adj ^ 2] - 2 * wrap][0] + 1) >> 1; B[1] = (B[1] + s->current_picture.f.motion_val[0][s->block_index[n_adj ^ 2] - 2 * wrap][1] + 1) >> 1; } } if (s->mb_width > 1) { if (!v->is_intra[s->mb_x - s->mb_stride + 1]) { c_valid = 1; n_adj = 2; pos_c = s->block_index[2] - 2 * wrap + 2; if (v->blk_mv_type[pos_c] && v->blk_mv_type[xy]) { n_adj = n & 2; } C[0] = s->current_picture.f.motion_val[0][s->block_index[n_adj] - 2 * wrap + 2][0]; C[1] = s->current_picture.f.motion_val[0][s->block_index[n_adj] - 2 * wrap + 2][1]; if (v->blk_mv_type[pos_c] && !v->blk_mv_type[xy]) { C[0] = (1 + C[0] + (s->current_picture.f.motion_val[0][s->block_index[n_adj ^ 2] - 2 * wrap + 2][0])) >> 1; C[1] = (1 + C[1] + (s->current_picture.f.motion_val[0][s->block_index[n_adj ^ 2] - 2 * wrap + 2][1])) >> 1; } if (s->mb_x == s->mb_width - 1) { if (!v->is_intra[s->mb_x - s->mb_stride - 1]) { c_valid = 1; n_adj = 3; pos_c = s->block_index[3] - 2 * wrap - 2; if (v->blk_mv_type[pos_c] && v->blk_mv_type[xy]) { n_adj = n | 1; } C[0] = s->current_picture.f.motion_val[0][s->block_index[n_adj] - 2 * wrap - 2][0]; C[1] = s->current_picture.f.motion_val[0][s->block_index[n_adj] - 2 * wrap - 2][1]; if (v->blk_mv_type[pos_c] && !v->blk_mv_type[xy]) { C[0] = (1 + C[0] + s->current_picture.f.motion_val[0][s->block_index[1] - 2 * wrap - 2][0]) >> 1; C[1] = (1 + C[1] + s->current_picture.f.motion_val[0][s->block_index[1] - 2 * wrap - 2][1]) >> 1; } } else c_valid = 0; } } } } } else { pos_b = s->block_index[1]; b_valid = 1; B[0] = s->current_picture.f.motion_val[0][pos_b][0]; B[1] = s->current_picture.f.motion_val[0][pos_b][1]; pos_c = s->block_index[0]; c_valid = 1; C[0] = s->current_picture.f.motion_val[0][pos_c][0]; C[1] = s->current_picture.f.motion_val[0][pos_c][1]; } total_valid = a_valid + b_valid + c_valid; // check if predictor A is out of bounds if (!s->mb_x && !(n == 1 || n == 3)) { A[0] = A[1] = 0; } // check if predictor B is out of bounds if ((s->first_slice_line && v->blk_mv_type[xy]) || (s->first_slice_line && !(n & 2))) { B[0] = B[1] = C[0] = C[1] = 0; } if (!v->blk_mv_type[xy]) { if (s->mb_width == 1) { px = B[0]; py = B[1]; } else { if (total_valid >= 2) { px = mid_pred(A[0], B[0], C[0]); py = mid_pred(A[1], B[1], C[1]); } else if (total_valid) { if (a_valid) { px = A[0]; py = A[1]; } if (b_valid) { px = B[0]; py = B[1]; } if (c_valid) { px = C[0]; py = C[1]; } } else px = py = 0; } } else { if (a_valid) field_a = (A[1] & 4) ? 1 : 0; else field_a = 0; if (b_valid) field_b = (B[1] & 4) ? 1 : 0; else field_b = 0; if (c_valid) field_c = (C[1] & 4) ? 1 : 0; else field_c = 0; num_oppfield = field_a + field_b + field_c; num_samefield = total_valid - num_oppfield; if (total_valid == 3) { if ((num_samefield == 3) || (num_oppfield == 3)) { px = mid_pred(A[0], B[0], C[0]); py = mid_pred(A[1], B[1], C[1]); } else if (num_samefield >= num_oppfield) { /* take one MV from same field set depending on priority the check for B may not be necessary */ px = !field_a ? A[0] : B[0]; py = !field_a ? A[1] : B[1]; } else { px = field_a ? A[0] : B[0]; py = field_a ? A[1] : B[1]; } } else if (total_valid == 2) { if (num_samefield >= num_oppfield) { if (!field_a && a_valid) { px = A[0]; py = A[1]; } else if (!field_b && b_valid) { px = B[0]; py = B[1]; } else if (c_valid) { px = C[0]; py = C[1]; } else px = py = 0; } else { if (field_a && a_valid) { px = A[0]; py = A[1]; } else if (field_b && b_valid) { px = B[0]; py = B[1]; } else if (c_valid) { px = C[0]; py = C[1]; } else px = py = 0; } } else if (total_valid == 1) { px = (a_valid) ? A[0] : ((b_valid) ? B[0] : C[0]); py = (a_valid) ? A[1] : ((b_valid) ? B[1] : C[1]); } else px = py = 0; } /* store MV using signed modulus of MV range defined in 4.11 */ s->mv[0][n][0] = s->current_picture.f.motion_val[0][xy][0] = ((px + dmv_x + r_x) & ((r_x << 1) - 1)) - r_x; s->mv[0][n][1] = s->current_picture.f.motion_val[0][xy][1] = ((py + dmv_y + r_y) & ((r_y << 1) - 1)) - r_y; if (mvn == 1) { /* duplicate motion data for 1-MV block */ s->current_picture.f.motion_val[0][xy + 1 ][0] = s->current_picture.f.motion_val[0][xy][0]; s->current_picture.f.motion_val[0][xy + 1 ][1] = s->current_picture.f.motion_val[0][xy][1]; s->current_picture.f.motion_val[0][xy + wrap ][0] = s->current_picture.f.motion_val[0][xy][0]; s->current_picture.f.motion_val[0][xy + wrap ][1] = s->current_picture.f.motion_val[0][xy][1]; s->current_picture.f.motion_val[0][xy + wrap + 1][0] = s->current_picture.f.motion_val[0][xy][0]; s->current_picture.f.motion_val[0][xy + wrap + 1][1] = s->current_picture.f.motion_val[0][xy][1]; } else if (mvn == 2) { /* duplicate motion data for 2-Field MV block */ s->current_picture.f.motion_val[0][xy + 1][0] = s->current_picture.f.motion_val[0][xy][0]; s->current_picture.f.motion_val[0][xy + 1][1] = s->current_picture.f.motion_val[0][xy][1]; s->mv[0][n + 1][0] = s->mv[0][n][0]; s->mv[0][n + 1][1] = s->mv[0][n][1]; } } | 24,409 |
1 | ip_reass(register struct ip *ip, register struct ipq *fp) { register struct mbuf *m = dtom(ip); register struct ipasfrag *q; int hlen = ip->ip_hl << 2; int i, next; DEBUG_CALL("ip_reass"); DEBUG_ARG("ip = %lx", (long)ip); DEBUG_ARG("fp = %lx", (long)fp); DEBUG_ARG("m = %lx", (long)m); /* * Presence of header sizes in mbufs * would confuse code below. * Fragment m_data is concatenated. */ m->m_data += hlen; m->m_len -= hlen; /* * If first fragment to arrive, create a reassembly queue. */ if (fp == 0) { struct mbuf *t; if ((t = m_get()) == NULL) goto dropfrag; fp = mtod(t, struct ipq *); insque(&fp->ip_link, &ipq.ip_link); fp->ipq_ttl = IPFRAGTTL; fp->ipq_p = ip->ip_p; fp->ipq_id = ip->ip_id; fp->frag_link.next = fp->frag_link.prev = &fp->frag_link; fp->ipq_src = ip->ip_src; fp->ipq_dst = ip->ip_dst; q = (struct ipasfrag *)fp; goto insert; } /* * Find a segment which begins after this one does. */ for (q = fp->frag_link.next; q != (struct ipasfrag *)&fp->frag_link; q = q->ipf_next) if (q->ipf_off > ip->ip_off) break; /* * If there is a preceding segment, it may provide some of * our data already. If so, drop the data from the incoming * segment. If it provides all of our data, drop us. */ if (q->ipf_prev != &fp->frag_link) { struct ipasfrag *pq = q->ipf_prev; i = pq->ipf_off + pq->ipf_len - ip->ip_off; if (i > 0) { if (i >= ip->ip_len) goto dropfrag; m_adj(dtom(ip), i); ip->ip_off += i; ip->ip_len -= i; } } /* * While we overlap succeeding segments trim them or, * if they are completely covered, dequeue them. */ while (q != (struct ipasfrag*)&fp->frag_link && ip->ip_off + ip->ip_len > q->ipf_off) { i = (ip->ip_off + ip->ip_len) - q->ipf_off; if (i < q->ipf_len) { q->ipf_len -= i; q->ipf_off += i; m_adj(dtom(q), i); break; } q = q->ipf_next; m_freem(dtom(q->ipf_prev)); ip_deq(q->ipf_prev); } insert: /* * Stick new segment in its place; * check for complete reassembly. */ ip_enq(iptofrag(ip), q->ipf_prev); next = 0; for (q = fp->frag_link.next; q != (struct ipasfrag*)&fp->frag_link; q = q->ipf_next) { if (q->ipf_off != next) return (0); next += q->ipf_len; } if (((struct ipasfrag *)(q->ipf_prev))->ipf_tos & 1) return (0); /* * Reassembly is complete; concatenate fragments. */ q = fp->frag_link.next; m = dtom(q); q = (struct ipasfrag *) q->ipf_next; while (q != (struct ipasfrag*)&fp->frag_link) { struct mbuf *t = dtom(q); q = (struct ipasfrag *) q->ipf_next; m_cat(m, t); } /* * Create header for new ip packet by * modifying header of first packet; * dequeue and discard fragment reassembly header. * Make header visible. */ q = fp->frag_link.next; /* * If the fragments concatenated to an mbuf that's * bigger than the total size of the fragment, then and * m_ext buffer was alloced. But fp->ipq_next points to * the old buffer (in the mbuf), so we must point ip * into the new buffer. */ if (m->m_flags & M_EXT) { int delta; delta = (char *)ip - m->m_dat; q = (struct ipasfrag *)(m->m_ext + delta); } /* DEBUG_ARG("ip = %lx", (long)ip); * ip=(struct ipasfrag *)m->m_data; */ ip = fragtoip(q); ip->ip_len = next; ip->ip_tos &= ~1; ip->ip_src = fp->ipq_src; ip->ip_dst = fp->ipq_dst; remque(&fp->ip_link); (void) m_free(dtom(fp)); m->m_len += (ip->ip_hl << 2); m->m_data -= (ip->ip_hl << 2); return ip; dropfrag: STAT(ipstat.ips_fragdropped++); m_freem(m); return (0); } | 24,411 |
1 | static void qtrle_encode_line(QtrleEncContext *s, AVFrame *p, int line, uint8_t **buf) { int width=s->logical_width; int i; signed char rlecode; /* We will use it to compute the best bulk copy sequence */ unsigned int bulkcount; /* This will be the number of pixels equal to the preivous frame one's * starting from the ith pixel */ unsigned int skipcount; /* This will be the number of consecutive equal pixels in the current * frame, starting from the ith one also */ unsigned int repeatcount; /* The cost of the three different possibilities */ int total_bulk_cost; int total_skip_cost; int total_repeat_cost; int temp_cost; int j; uint8_t *this_line = p-> data[0] + line*p-> linesize[0] + (width - 1)*s->pixel_size; uint8_t *prev_line = s->previous_frame.data[0] + line*s->previous_frame.linesize[0] + (width - 1)*s->pixel_size; s->length_table[width] = 0; skipcount = 0; for (i = width - 1; i >= 0; i--) { if (!s->frame.key_frame && !memcmp(this_line, prev_line, s->pixel_size)) skipcount = FFMIN(skipcount + 1, MAX_RLE_SKIP); else skipcount = 0; total_skip_cost = s->length_table[i + skipcount] + 2; s->skip_table[i] = skipcount; if (i < width - 1 && !memcmp(this_line, this_line + s->pixel_size, s->pixel_size)) repeatcount = FFMIN(repeatcount + 1, MAX_RLE_REPEAT); else repeatcount = 1; total_repeat_cost = s->length_table[i + repeatcount] + 1 + s->pixel_size; /* skip code is free for the first pixel, it costs one byte for repeat and bulk copy * so let's make it aware */ if (i == 0) { total_skip_cost--; total_repeat_cost++; } if (repeatcount > 1 && (skipcount == 0 || total_repeat_cost < total_skip_cost)) { /* repeat is the best */ s->length_table[i] = total_repeat_cost; s->rlecode_table[i] = -repeatcount; } else if (skipcount > 0) { /* skip is the best choice here */ s->length_table[i] = total_skip_cost; s->rlecode_table[i] = 0; } else { /* We cannot do neither skip nor repeat * thus we search for the best bulk copy to do */ int limit = FFMIN(width - i, MAX_RLE_BULK); temp_cost = 1 + s->pixel_size + !i; total_bulk_cost = INT_MAX; for (j = 1; j <= limit; j++) { if (s->length_table[i + j] + temp_cost < total_bulk_cost) { /* We have found a better bulk copy ... */ total_bulk_cost = s->length_table[i + j] + temp_cost; bulkcount = j; } temp_cost += s->pixel_size; } s->length_table[i] = total_bulk_cost; s->rlecode_table[i] = bulkcount; } this_line -= s->pixel_size; prev_line -= s->pixel_size; } /* Good ! Now we have the best sequence for this line, let's output it */ /* We do a special case for the first pixel so that we avoid testing it in * the whole loop */ i=0; this_line = p-> data[0] + line*p->linesize[0]; if (s->rlecode_table[0] == 0) { bytestream_put_byte(buf, s->skip_table[0] + 1); i += s->skip_table[0]; } else bytestream_put_byte(buf, 1); while (i < width) { rlecode = s->rlecode_table[i]; bytestream_put_byte(buf, rlecode); if (rlecode == 0) { /* Write a skip sequence */ bytestream_put_byte(buf, s->skip_table[i] + 1); i += s->skip_table[i]; } else if (rlecode > 0) { /* bulk copy */ if (s->avctx->pix_fmt == PIX_FMT_GRAY8) { int j; // QT grayscale colorspace has 0=white and 255=black, we will // ignore the palette that is included in the AVFrame because // PIX_FMT_GRAY8 has defined color mapping for (j = 0; j < rlecode*s->pixel_size; ++j) bytestream_put_byte(buf, *(this_line + i*s->pixel_size + j) ^ 0xff); } else { bytestream_put_buffer(buf, this_line + i*s->pixel_size, rlecode*s->pixel_size); } i += rlecode; } else { /* repeat the bits */ if (s->avctx->pix_fmt == PIX_FMT_GRAY8) { int j; // QT grayscale colorspace has 0=white and 255=black, ... for (j = 0; j < s->pixel_size; ++j) bytestream_put_byte(buf, *(this_line + i*s->pixel_size + j) ^ 0xff); } else { bytestream_put_buffer(buf, this_line + i*s->pixel_size, s->pixel_size); } i -= rlecode; } } bytestream_put_byte(buf, -1); // end RLE line } | 24,412 |
1 | static void rv34_idct_add_c(uint8_t *dst, ptrdiff_t stride, DCTELEM *block){ int temp[16]; uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; int i; rv34_row_transform(temp, block); memset(block, 0, 16*sizeof(DCTELEM)); for(i = 0; i < 4; i++){ const int z0 = 13*(temp[4*0+i] + temp[4*2+i]) + 0x200; const int z1 = 13*(temp[4*0+i] - temp[4*2+i]) + 0x200; const int z2 = 7* temp[4*1+i] - 17*temp[4*3+i]; const int z3 = 17* temp[4*1+i] + 7*temp[4*3+i]; dst[0] = cm[ dst[0] + ( (z0 + z3) >> 10 ) ]; dst[1] = cm[ dst[1] + ( (z1 + z2) >> 10 ) ]; dst[2] = cm[ dst[2] + ( (z1 - z2) >> 10 ) ]; dst[3] = cm[ dst[3] + ( (z0 - z3) >> 10 ) ]; dst += stride; } } | 24,413 |
1 | int ff_lpc_calc_coefs(DSPContext *s, const int32_t *samples, int blocksize, int min_order, int max_order, int precision, int32_t coefs[][MAX_LPC_ORDER], int *shift, int use_lpc, int omethod, int max_shift, int zero_shift) { double autoc[MAX_LPC_ORDER+1]; double ref[MAX_LPC_ORDER]; double lpc[MAX_LPC_ORDER][MAX_LPC_ORDER]; int i, j, pass; int opt_order; assert(max_order >= MIN_LPC_ORDER && max_order <= MAX_LPC_ORDER && use_lpc > 0); if(use_lpc == 1){ s->flac_compute_autocorr(samples, blocksize, max_order, autoc); compute_lpc_coefs(autoc, max_order, &lpc[0][0], MAX_LPC_ORDER, 0, 1); for(i=0; i<max_order; i++) ref[i] = fabs(lpc[i][i]); }else{ LLSModel m[2]; double var[MAX_LPC_ORDER+1], weight; for(pass=0; pass<use_lpc-1; pass++){ av_init_lls(&m[pass&1], max_order); weight=0; for(i=max_order; i<blocksize; i++){ for(j=0; j<=max_order; j++) var[j]= samples[i-j]; if(pass){ double eval, inv, rinv; eval= av_evaluate_lls(&m[(pass-1)&1], var+1, max_order-1); eval= (512>>pass) + fabs(eval - var[0]); inv = 1/eval; rinv = sqrt(inv); for(j=0; j<=max_order; j++) var[j] *= rinv; weight += inv; }else weight++; av_update_lls(&m[pass&1], var, 1.0); } av_solve_lls(&m[pass&1], 0.001, 0); } for(i=0; i<max_order; i++){ for(j=0; j<max_order; j++) lpc[i][j]=-m[(pass-1)&1].coeff[i][j]; ref[i]= sqrt(m[(pass-1)&1].variance[i] / weight) * (blocksize - max_order) / 4000; } for(i=max_order-1; i>0; i--) ref[i] = ref[i-1] - ref[i]; } opt_order = max_order; if(omethod == ORDER_METHOD_EST) { opt_order = estimate_best_order(ref, min_order, max_order); i = opt_order-1; quantize_lpc_coefs(lpc[i], i+1, precision, coefs[i], &shift[i], max_shift, zero_shift); } else { for(i=min_order-1; i<max_order; i++) { quantize_lpc_coefs(lpc[i], i+1, precision, coefs[i], &shift[i], max_shift, zero_shift); } } return opt_order; } | 24,414 |
1 | av_cold void ff_cavsdsp_init_x86(CAVSDSPContext *c, AVCodecContext *avctx) { av_unused int cpu_flags = av_get_cpu_flags(); cavsdsp_init_mmx(c, avctx); #if HAVE_AMD3DNOW_INLINE if (INLINE_AMD3DNOW(cpu_flags)) cavsdsp_init_3dnow(c, avctx); #endif /* HAVE_AMD3DNOW_INLINE */ #if HAVE_MMXEXT_INLINE if (INLINE_MMXEXT(cpu_flags)) { DSPFUNC(put, 0, 16, mmxext); DSPFUNC(put, 1, 8, mmxext); DSPFUNC(avg, 0, 16, mmxext); DSPFUNC(avg, 1, 8, mmxext); } #endif #if HAVE_MMX_EXTERNAL if (EXTERNAL_MMXEXT(cpu_flags)) { c->avg_cavs_qpel_pixels_tab[0][0] = avg_cavs_qpel16_mc00_mmxext; c->avg_cavs_qpel_pixels_tab[1][0] = avg_cavs_qpel8_mc00_mmxext; } #endif #if HAVE_SSE2_EXTERNAL if (EXTERNAL_SSE2(cpu_flags)) { c->put_cavs_qpel_pixels_tab[0][0] = put_cavs_qpel16_mc00_sse2; c->avg_cavs_qpel_pixels_tab[0][0] = avg_cavs_qpel16_mc00_sse2; } #endif } | 24,416 |
1 | static bool object_create_initial(const char *type) { if (g_str_equal(type, "rng-egd")) { /* * return false for concrete netfilters since * they depend on netdevs already existing if (g_str_equal(type, "filter-buffer") || g_str_equal(type, "filter-dump") || g_str_equal(type, "filter-mirror") || g_str_equal(type, "filter-redirector")) { return true; | 24,417 |
1 | static int bochs_open(BlockDriverState *bs, QDict *options, int flags, Error **errp) { BDRVBochsState *s = bs->opaque; int i; struct bochs_header bochs; struct bochs_header_v1 header_v1; int ret; bs->read_only = 1; // no write support yet ret = bdrv_pread(bs->file, 0, &bochs, sizeof(bochs)); if (ret < 0) { return ret; } if (strcmp(bochs.magic, HEADER_MAGIC) || strcmp(bochs.type, REDOLOG_TYPE) || strcmp(bochs.subtype, GROWING_TYPE) || ((le32_to_cpu(bochs.version) != HEADER_VERSION) && (le32_to_cpu(bochs.version) != HEADER_V1))) { error_setg(errp, "Image not in Bochs format"); return -EINVAL; } if (le32_to_cpu(bochs.version) == HEADER_V1) { memcpy(&header_v1, &bochs, sizeof(bochs)); bs->total_sectors = le64_to_cpu(header_v1.extra.redolog.disk) / 512; } else { bs->total_sectors = le64_to_cpu(bochs.extra.redolog.disk) / 512; } s->catalog_size = le32_to_cpu(bochs.extra.redolog.catalog); s->catalog_bitmap = g_malloc(s->catalog_size * 4); ret = bdrv_pread(bs->file, le32_to_cpu(bochs.header), s->catalog_bitmap, s->catalog_size * 4); if (ret < 0) { goto fail; } for (i = 0; i < s->catalog_size; i++) le32_to_cpus(&s->catalog_bitmap[i]); s->data_offset = le32_to_cpu(bochs.header) + (s->catalog_size * 4); s->bitmap_blocks = 1 + (le32_to_cpu(bochs.extra.redolog.bitmap) - 1) / 512; s->extent_blocks = 1 + (le32_to_cpu(bochs.extra.redolog.extent) - 1) / 512; s->extent_size = le32_to_cpu(bochs.extra.redolog.extent); qemu_co_mutex_init(&s->lock); return 0; fail: g_free(s->catalog_bitmap); return ret; } | 24,418 |
1 | static int svq3_decode_frame (AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size) { MpegEncContext *const s = avctx->priv_data; H264Context *const h = avctx->priv_data; int m, mb_type; unsigned char *extradata; unsigned int size; s->flags = avctx->flags; s->flags2 = avctx->flags2; s->unrestricted_mv = 1; if (!s->context_initialized) { s->width = avctx->width; s->height = avctx->height; h->pred4x4[DIAG_DOWN_LEFT_PRED] = pred4x4_down_left_svq3_c; h->pred16x16[PLANE_PRED8x8] = pred16x16_plane_svq3_c; h->halfpel_flag = 1; h->thirdpel_flag = 1; h->unknown_svq3_flag = 0; h->chroma_qp = 4; if (MPV_common_init (s) < 0) return -1; h->b_stride = 4*s->mb_width; alloc_tables (h); /* prowl for the "SEQH" marker in the extradata */ extradata = (unsigned char *)avctx->extradata; for (m = 0; m < avctx->extradata_size; m++) { if (!memcmp (extradata, "SEQH", 4)) break; extradata++; } /* if a match was found, parse the extra data */ if (extradata && !memcmp (extradata, "SEQH", 4)) { GetBitContext gb; size = AV_RB32(&extradata[4]); init_get_bits (&gb, extradata + 8, size*8); /* 'frame size code' and optional 'width, height' */ if (get_bits (&gb, 3) == 7) { get_bits (&gb, 12); get_bits (&gb, 12); } h->halfpel_flag = get_bits1 (&gb); h->thirdpel_flag = get_bits1 (&gb); /* unknown fields */ get_bits1 (&gb); get_bits1 (&gb); get_bits1 (&gb); get_bits1 (&gb); s->low_delay = get_bits1 (&gb); /* unknown field */ get_bits1 (&gb); while (get_bits1 (&gb)) { get_bits (&gb, 8); } h->unknown_svq3_flag = get_bits1 (&gb); avctx->has_b_frames = !s->low_delay; } } /* special case for last picture */ if (buf_size == 0) { if (s->next_picture_ptr && !s->low_delay) { *(AVFrame *) data = *(AVFrame *) &s->next_picture; *data_size = sizeof(AVFrame); } return 0; } init_get_bits (&s->gb, buf, 8*buf_size); s->mb_x = s->mb_y = 0; if (svq3_decode_slice_header (h)) return -1; s->pict_type = h->slice_type; s->picture_number = h->slice_num; if(avctx->debug&FF_DEBUG_PICT_INFO){ av_log(h->s.avctx, AV_LOG_DEBUG, "%c hpel:%d, tpel:%d aqp:%d qp:%d\n", av_get_pict_type_char(s->pict_type), h->halfpel_flag, h->thirdpel_flag, s->adaptive_quant, s->qscale ); } /* for hurry_up==5 */ s->current_picture.pict_type = s->pict_type; s->current_picture.key_frame = (s->pict_type == I_TYPE); /* skip b frames if we dont have reference frames */ if (s->last_picture_ptr == NULL && s->pict_type == B_TYPE) return 0; /* skip b frames if we are in a hurry */ if (avctx->hurry_up && s->pict_type == B_TYPE) return 0; /* skip everything if we are in a hurry >= 5 */ if (avctx->hurry_up >= 5) return 0; if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==B_TYPE) ||(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=I_TYPE) || avctx->skip_frame >= AVDISCARD_ALL) return 0; if (s->next_p_frame_damaged) { if (s->pict_type == B_TYPE) return 0; else s->next_p_frame_damaged = 0; } frame_start (h); if (s->pict_type == B_TYPE) { h->frame_num_offset = (h->slice_num - h->prev_frame_num); if (h->frame_num_offset < 0) { h->frame_num_offset += 256; } if (h->frame_num_offset == 0 || h->frame_num_offset >= h->prev_frame_num_offset) { av_log(h->s.avctx, AV_LOG_ERROR, "error in B-frame picture id\n"); return -1; } } else { h->prev_frame_num = h->frame_num; h->frame_num = h->slice_num; h->prev_frame_num_offset = (h->frame_num - h->prev_frame_num); if (h->prev_frame_num_offset < 0) { h->prev_frame_num_offset += 256; } } for(m=0; m<2; m++){ int i; for(i=0; i<4; i++){ int j; for(j=-1; j<4; j++) h->ref_cache[m][scan8[0] + 8*i + j]= 1; h->ref_cache[m][scan8[0] + 8*i + j]= PART_NOT_AVAILABLE; } } for (s->mb_y=0; s->mb_y < s->mb_height; s->mb_y++) { for (s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) { if ( (get_bits_count(&s->gb) + 7) >= s->gb.size_in_bits && ((get_bits_count(&s->gb) & 7) == 0 || show_bits (&s->gb, (-get_bits_count(&s->gb) & 7)) == 0)) { skip_bits(&s->gb, h->next_slice_index - get_bits_count(&s->gb)); s->gb.size_in_bits = 8*buf_size; if (svq3_decode_slice_header (h)) return -1; /* TODO: support s->mb_skip_run */ } mb_type = svq3_get_ue_golomb (&s->gb); if (s->pict_type == I_TYPE) { mb_type += 8; } else if (s->pict_type == B_TYPE && mb_type >= 4) { mb_type += 4; } if (mb_type > 33 || svq3_decode_mb (h, mb_type)) { av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y); return -1; } if (mb_type != 0) { hl_decode_mb (h); } if (s->pict_type != B_TYPE && !s->low_delay) { s->current_picture.mb_type[s->mb_x + s->mb_y*s->mb_stride] = (s->pict_type == P_TYPE && mb_type < 8) ? (mb_type - 1) : -1; } } ff_draw_horiz_band(s, 16*s->mb_y, 16); } MPV_frame_end(s); if (s->pict_type == B_TYPE || s->low_delay) { *(AVFrame *) data = *(AVFrame *) &s->current_picture; } else { *(AVFrame *) data = *(AVFrame *) &s->last_picture; } avctx->frame_number = s->picture_number - 1; /* dont output the last pic after seeking */ if (s->last_picture_ptr || s->low_delay) { *data_size = sizeof(AVFrame); } return buf_size; } | 24,419 |
1 | static inline void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUSH4State *env) { int i; for (i = 0; i < 16; i++) { (*regs[i]) = tswapreg(env->gregs[i]); } (*regs)[TARGET_REG_PC] = tswapreg(env->pc); (*regs)[TARGET_REG_PR] = tswapreg(env->pr); (*regs)[TARGET_REG_SR] = tswapreg(env->sr); (*regs)[TARGET_REG_GBR] = tswapreg(env->gbr); (*regs)[TARGET_REG_MACH] = tswapreg(env->mach); (*regs)[TARGET_REG_MACL] = tswapreg(env->macl); (*regs)[TARGET_REG_SYSCALL] = 0; /* FIXME */ } | 24,420 |
0 | static int vorbis_parse_id_hdr(vorbis_context *vc){ GetBitContext *gb=&vc->gb; uint_fast8_t bl0, bl1; if ((get_bits(gb, 8)!='v') || (get_bits(gb, 8)!='o') || (get_bits(gb, 8)!='r') || (get_bits(gb, 8)!='b') || (get_bits(gb, 8)!='i') || (get_bits(gb, 8)!='s')) { av_log(vc->avccontext, AV_LOG_ERROR, " Vorbis id header packet corrupt (no vorbis signature). \n"); return 1; } vc->version=get_bits_long(gb, 32); //FIXME check 0 vc->audio_channels=get_bits(gb, 8); //FIXME check >0 vc->audio_samplerate=get_bits_long(gb, 32); //FIXME check >0 vc->bitrate_maximum=get_bits_long(gb, 32); vc->bitrate_nominal=get_bits_long(gb, 32); vc->bitrate_minimum=get_bits_long(gb, 32); bl0=get_bits(gb, 4); bl1=get_bits(gb, 4); vc->blocksize[0]=(1<<bl0); vc->blocksize[1]=(1<<bl1); if (bl0>13 || bl0<6 || bl1>13 || bl1<6 || bl1<bl0) { av_log(vc->avccontext, AV_LOG_ERROR, " Vorbis id header packet corrupt (illegal blocksize). \n"); return 3; } // output format int16 if (vc->blocksize[1]/2 * vc->audio_channels * 2 > AVCODEC_MAX_AUDIO_FRAME_SIZE) { av_log(vc->avccontext, AV_LOG_ERROR, "Vorbis channel count makes " "output packets too large.\n"); return 4; } vc->win[0]=ff_vorbis_vwin[bl0-6]; vc->win[1]=ff_vorbis_vwin[bl1-6]; if(vc->exp_bias){ int i, j; for(j=0; j<2; j++){ float *win = av_malloc(vc->blocksize[j]/2 * sizeof(float)); for(i=0; i<vc->blocksize[j]/2; i++) win[i] = vc->win[j][i] * (1<<15); vc->win[j] = win; } } if ((get_bits1(gb)) == 0) { av_log(vc->avccontext, AV_LOG_ERROR, " Vorbis id header packet corrupt (framing flag not set). \n"); return 2; } vc->channel_residues=(float *)av_malloc((vc->blocksize[1]/2)*vc->audio_channels * sizeof(float)); vc->channel_floors=(float *)av_malloc((vc->blocksize[1]/2)*vc->audio_channels * sizeof(float)); vc->saved=(float *)av_malloc((vc->blocksize[1]/2)*vc->audio_channels * sizeof(float)); vc->ret=(float *)av_malloc((vc->blocksize[1]/2)*vc->audio_channels * sizeof(float)); vc->buf=(float *)av_malloc(vc->blocksize[1] * sizeof(float)); vc->buf_tmp=(float *)av_malloc(vc->blocksize[1] * sizeof(float)); vc->saved_start=0; ff_mdct_init(&vc->mdct[0], bl0, 1); ff_mdct_init(&vc->mdct[1], bl1, 1); AV_DEBUG(" vorbis version %d \n audio_channels %d \n audio_samplerate %d \n bitrate_max %d \n bitrate_nom %d \n bitrate_min %d \n blk_0 %d blk_1 %d \n ", vc->version, vc->audio_channels, vc->audio_samplerate, vc->bitrate_maximum, vc->bitrate_nominal, vc->bitrate_minimum, vc->blocksize[0], vc->blocksize[1]); /* BLK=vc->blocksize[0]; for(i=0;i<BLK/2;++i) { vc->win[0][i]=sin(0.5*3.14159265358*(sin(((float)i+0.5)/(float)BLK*3.14159265358))*(sin(((float)i+0.5)/(float)BLK*3.14159265358))); } */ return 0; } | 24,421 |
1 | static void tcg_out_ld (TCGContext *s, TCGType type, int ret, int arg1, tcg_target_long arg2) { if (type == TCG_TYPE_I32) tcg_out_ldst (s, ret, arg1, arg2, LWZ, LWZX); else tcg_out_ldst (s, ret, arg1, arg2, LD, LDX); } | 24,422 |
1 | void fw_cfg_add_i64(FWCfgState *s, uint16_t key, uint64_t value) { uint64_t *copy; copy = g_malloc(sizeof(value)); *copy = cpu_to_le64(value); fw_cfg_add_bytes(s, key, (uint8_t *)copy, sizeof(value)); } | 24,423 |
1 | static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd, int is_connected) { NetSocketState *s; s = qemu_mallocz(sizeof(NetSocketState)); if (!s) return NULL; s->fd = fd; s->vc = qemu_new_vlan_client(vlan, net_socket_receive, s); snprintf(s->vc->info_str, sizeof(s->vc->info_str), "socket: fd=%d", fd); if (is_connected) { net_socket_connect(s); } else { qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s); } return s; } | 24,425 |
0 | static int add_string_metadata(int count, const char *name, TiffContext *s) { char *value; if (bytestream2_get_bytes_left(&s->gb) < count) return AVERROR_INVALIDDATA; value = av_malloc(count + 1); if (!value) return AVERROR(ENOMEM); bytestream2_get_bufferu(&s->gb, value, count); value[count] = 0; av_dict_set(&s->picture.metadata, name, value, AV_DICT_DONT_STRDUP_VAL); return 0; } | 24,427 |
0 | static int idcin_read_header(AVFormatContext *s) { AVIOContext *pb = s->pb; IdcinDemuxContext *idcin = s->priv_data; AVStream *st; unsigned int width, height; unsigned int sample_rate, bytes_per_sample, channels; int ret; /* get the 5 header parameters */ width = avio_rl32(pb); height = avio_rl32(pb); sample_rate = avio_rl32(pb); bytes_per_sample = avio_rl32(pb); channels = avio_rl32(pb); if (s->pb->eof_reached) { av_log(s, AV_LOG_ERROR, "incomplete header\n"); return s->pb->error ? s->pb->error : AVERROR_EOF; } if (av_image_check_size(width, height, 0, s) < 0) return AVERROR_INVALIDDATA; if (sample_rate > 0) { if (sample_rate < 14 || sample_rate > INT_MAX) { av_log(s, AV_LOG_ERROR, "invalid sample rate: %u\n", sample_rate); return AVERROR_INVALIDDATA; } if (bytes_per_sample < 1 || bytes_per_sample > 2) { av_log(s, AV_LOG_ERROR, "invalid bytes per sample: %u\n", bytes_per_sample); return AVERROR_INVALIDDATA; } if (channels < 1 || channels > 2) { av_log(s, AV_LOG_ERROR, "invalid channels: %u\n", channels); return AVERROR_INVALIDDATA; } idcin->audio_present = 1; } else { /* if sample rate is 0, assume no audio */ idcin->audio_present = 0; } st = avformat_new_stream(s, NULL); if (!st) return AVERROR(ENOMEM); avpriv_set_pts_info(st, 33, 1, IDCIN_FPS); st->start_time = 0; idcin->video_stream_index = st->index; st->codec->codec_type = AVMEDIA_TYPE_VIDEO; st->codec->codec_id = AV_CODEC_ID_IDCIN; st->codec->codec_tag = 0; /* no fourcc */ st->codec->width = width; st->codec->height = height; /* load up the Huffman tables into extradata */ st->codec->extradata_size = HUFFMAN_TABLE_SIZE; st->codec->extradata = av_malloc(HUFFMAN_TABLE_SIZE); ret = avio_read(pb, st->codec->extradata, HUFFMAN_TABLE_SIZE); if (ret < 0) { return ret; } else if (ret != HUFFMAN_TABLE_SIZE) { av_log(s, AV_LOG_ERROR, "incomplete header\n"); return AVERROR(EIO); } if (idcin->audio_present) { idcin->audio_present = 1; st = avformat_new_stream(s, NULL); if (!st) return AVERROR(ENOMEM); avpriv_set_pts_info(st, 63, 1, sample_rate); st->start_time = 0; idcin->audio_stream_index = st->index; st->codec->codec_type = AVMEDIA_TYPE_AUDIO; st->codec->codec_tag = 1; st->codec->channels = channels; st->codec->channel_layout = channels > 1 ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO; st->codec->sample_rate = sample_rate; st->codec->bits_per_coded_sample = bytes_per_sample * 8; st->codec->bit_rate = sample_rate * bytes_per_sample * 8 * channels; st->codec->block_align = idcin->block_align = bytes_per_sample * channels; if (bytes_per_sample == 1) st->codec->codec_id = AV_CODEC_ID_PCM_U8; else st->codec->codec_id = AV_CODEC_ID_PCM_S16LE; if (sample_rate % 14 != 0) { idcin->audio_chunk_size1 = (sample_rate / 14) * bytes_per_sample * channels; idcin->audio_chunk_size2 = (sample_rate / 14 + 1) * bytes_per_sample * channels; } else { idcin->audio_chunk_size1 = idcin->audio_chunk_size2 = (sample_rate / 14) * bytes_per_sample * channels; } idcin->current_audio_chunk = 0; } idcin->next_chunk_is_video = 1; idcin->first_pkt_pos = avio_tell(s->pb); return 0; } | 24,428 |
0 | static int decode_profile_tier_level(GetBitContext *gb, AVCodecContext *avctx, PTLCommon *ptl) { int i; if (get_bits_left(gb) < 2+1+5 + 32 + 4 + 16 + 16 + 12) return -1; ptl->profile_space = get_bits(gb, 2); ptl->tier_flag = get_bits1(gb); ptl->profile_idc = get_bits(gb, 5); if (ptl->profile_idc == FF_PROFILE_HEVC_MAIN) av_log(avctx, AV_LOG_DEBUG, "Main profile bitstream\n"); else if (ptl->profile_idc == FF_PROFILE_HEVC_MAIN_10) av_log(avctx, AV_LOG_DEBUG, "Main 10 profile bitstream\n"); else if (ptl->profile_idc == FF_PROFILE_HEVC_MAIN_STILL_PICTURE) av_log(avctx, AV_LOG_DEBUG, "Main Still Picture profile bitstream\n"); else if (ptl->profile_idc == FF_PROFILE_HEVC_REXT) av_log(avctx, AV_LOG_DEBUG, "Range Extension profile bitstream\n"); else av_log(avctx, AV_LOG_WARNING, "Unknown HEVC profile: %d\n", ptl->profile_idc); for (i = 0; i < 32; i++) ptl->profile_compatibility_flag[i] = get_bits1(gb); ptl->progressive_source_flag = get_bits1(gb); ptl->interlaced_source_flag = get_bits1(gb); ptl->non_packed_constraint_flag = get_bits1(gb); ptl->frame_only_constraint_flag = get_bits1(gb); skip_bits(gb, 16); // XXX_reserved_zero_44bits[0..15] skip_bits(gb, 16); // XXX_reserved_zero_44bits[16..31] skip_bits(gb, 12); // XXX_reserved_zero_44bits[32..43] return 0; } | 24,429 |
0 | int ff_dca_lbr_parse(DCALbrDecoder *s, uint8_t *data, DCAExssAsset *asset) { struct { LBRChunk lfe; LBRChunk tonal; LBRChunk tonal_grp[5]; LBRChunk grid1[DCA_LBR_CHANNELS / 2]; LBRChunk hr_grid[DCA_LBR_CHANNELS / 2]; LBRChunk ts1[DCA_LBR_CHANNELS / 2]; LBRChunk ts2[DCA_LBR_CHANNELS / 2]; } chunk = { }; GetByteContext gb; int i, ch, sb, sf, ret, group, chunk_id, chunk_len; bytestream2_init(&gb, data + asset->lbr_offset, asset->lbr_size); // LBR sync word if (bytestream2_get_be32(&gb) != DCA_SYNCWORD_LBR) { av_log(s->avctx, AV_LOG_ERROR, "Invalid LBR sync word\n"); return AVERROR_INVALIDDATA; } // LBR header type switch (bytestream2_get_byte(&gb)) { case LBR_HEADER_SYNC_ONLY: if (!s->sample_rate) { av_log(s->avctx, AV_LOG_ERROR, "LBR decoder not initialized\n"); return AVERROR_INVALIDDATA; } break; case LBR_HEADER_DECODER_INIT: if ((ret = parse_decoder_init(s, &gb)) < 0) { s->sample_rate = 0; return ret; } break; default: av_log(s->avctx, AV_LOG_ERROR, "Invalid LBR header type\n"); return AVERROR_INVALIDDATA; } // LBR frame chunk header chunk_id = bytestream2_get_byte(&gb); chunk_len = (chunk_id & 0x80) ? bytestream2_get_be16(&gb) : bytestream2_get_byte(&gb); if (chunk_len > bytestream2_get_bytes_left(&gb)) { chunk_len = bytestream2_get_bytes_left(&gb); av_log(s->avctx, AV_LOG_WARNING, "LBR frame chunk was truncated\n"); if (s->avctx->err_recognition & AV_EF_EXPLODE) return AVERROR_INVALIDDATA; } bytestream2_init(&gb, gb.buffer, chunk_len); switch (chunk_id & 0x7f) { case LBR_CHUNK_FRAME: if (s->avctx->err_recognition & (AV_EF_CRCCHECK | AV_EF_CAREFUL)) { int checksum = bytestream2_get_be16(&gb); uint16_t res = chunk_id; res += (chunk_len >> 8) & 0xff; res += chunk_len & 0xff; for (i = 0; i < chunk_len - 2; i++) res += gb.buffer[i]; if (checksum != res) { av_log(s->avctx, AV_LOG_WARNING, "Invalid LBR checksum\n"); if (s->avctx->err_recognition & AV_EF_EXPLODE) return AVERROR_INVALIDDATA; } } else { bytestream2_skip(&gb, 2); } break; case LBR_CHUNK_FRAME_NO_CSUM: break; default: av_log(s->avctx, AV_LOG_ERROR, "Invalid LBR frame chunk ID\n"); return AVERROR_INVALIDDATA; } // Clear current frame memset(s->quant_levels, 0, sizeof(s->quant_levels)); memset(s->sb_indices, 0xff, sizeof(s->sb_indices)); memset(s->sec_ch_sbms, 0, sizeof(s->sec_ch_sbms)); memset(s->sec_ch_lrms, 0, sizeof(s->sec_ch_lrms)); memset(s->ch_pres, 0, sizeof(s->ch_pres)); memset(s->grid_1_scf, 0, sizeof(s->grid_1_scf)); memset(s->grid_2_scf, 0, sizeof(s->grid_2_scf)); memset(s->grid_3_avg, 0, sizeof(s->grid_3_avg)); memset(s->grid_3_scf, 0, sizeof(s->grid_3_scf)); memset(s->grid_3_pres, 0, sizeof(s->grid_3_pres)); memset(s->tonal_scf, 0, sizeof(s->tonal_scf)); memset(s->lfe_data, 0, sizeof(s->lfe_data)); s->part_stereo_pres = 0; s->framenum = (s->framenum + 1) & 31; for (ch = 0; ch < s->nchannels; ch++) { for (sb = 0; sb < s->nsubbands / 4; sb++) { s->part_stereo[ch][sb][0] = s->part_stereo[ch][sb][4]; s->part_stereo[ch][sb][4] = 16; } } memset(s->lpc_coeff[s->framenum & 1], 0, sizeof(s->lpc_coeff[0])); for (group = 0; group < 5; group++) { for (sf = 0; sf < 1 << group; sf++) { int sf_idx = ((s->framenum << group) + sf) & 31; s->tonal_bounds[group][sf_idx][0] = s->tonal_bounds[group][sf_idx][1] = s->ntones; } } // Parse chunk headers while (bytestream2_get_bytes_left(&gb) > 0) { chunk_id = bytestream2_get_byte(&gb); chunk_len = (chunk_id & 0x80) ? bytestream2_get_be16(&gb) : bytestream2_get_byte(&gb); chunk_id &= 0x7f; if (chunk_len > bytestream2_get_bytes_left(&gb)) { chunk_len = bytestream2_get_bytes_left(&gb); av_log(s->avctx, AV_LOG_WARNING, "LBR chunk %#x was truncated\n", chunk_id); if (s->avctx->err_recognition & AV_EF_EXPLODE) return AVERROR_INVALIDDATA; } switch (chunk_id) { case LBR_CHUNK_LFE: chunk.lfe.len = chunk_len; chunk.lfe.data = gb.buffer; break; case LBR_CHUNK_SCF: case LBR_CHUNK_TONAL: case LBR_CHUNK_TONAL_SCF: chunk.tonal.id = chunk_id; chunk.tonal.len = chunk_len; chunk.tonal.data = gb.buffer; break; case LBR_CHUNK_TONAL_GRP_1: case LBR_CHUNK_TONAL_GRP_2: case LBR_CHUNK_TONAL_GRP_3: case LBR_CHUNK_TONAL_GRP_4: case LBR_CHUNK_TONAL_GRP_5: i = LBR_CHUNK_TONAL_GRP_5 - chunk_id; chunk.tonal_grp[i].id = i; chunk.tonal_grp[i].len = chunk_len; chunk.tonal_grp[i].data = gb.buffer; break; case LBR_CHUNK_TONAL_SCF_GRP_1: case LBR_CHUNK_TONAL_SCF_GRP_2: case LBR_CHUNK_TONAL_SCF_GRP_3: case LBR_CHUNK_TONAL_SCF_GRP_4: case LBR_CHUNK_TONAL_SCF_GRP_5: i = LBR_CHUNK_TONAL_SCF_GRP_5 - chunk_id; chunk.tonal_grp[i].id = i; chunk.tonal_grp[i].len = chunk_len; chunk.tonal_grp[i].data = gb.buffer; break; case LBR_CHUNK_RES_GRID_LR: case LBR_CHUNK_RES_GRID_LR + 1: case LBR_CHUNK_RES_GRID_LR + 2: i = chunk_id - LBR_CHUNK_RES_GRID_LR; chunk.grid1[i].len = chunk_len; chunk.grid1[i].data = gb.buffer; break; case LBR_CHUNK_RES_GRID_HR: case LBR_CHUNK_RES_GRID_HR + 1: case LBR_CHUNK_RES_GRID_HR + 2: i = chunk_id - LBR_CHUNK_RES_GRID_HR; chunk.hr_grid[i].len = chunk_len; chunk.hr_grid[i].data = gb.buffer; break; case LBR_CHUNK_RES_TS_1: case LBR_CHUNK_RES_TS_1 + 1: case LBR_CHUNK_RES_TS_1 + 2: i = chunk_id - LBR_CHUNK_RES_TS_1; chunk.ts1[i].len = chunk_len; chunk.ts1[i].data = gb.buffer; break; case LBR_CHUNK_RES_TS_2: case LBR_CHUNK_RES_TS_2 + 1: case LBR_CHUNK_RES_TS_2 + 2: i = chunk_id - LBR_CHUNK_RES_TS_2; chunk.ts2[i].len = chunk_len; chunk.ts2[i].data = gb.buffer; break; } bytestream2_skip(&gb, chunk_len); } // Parse the chunks ret = parse_lfe_chunk(s, &chunk.lfe); ret |= parse_tonal_chunk(s, &chunk.tonal); for (i = 0; i < 5; i++) ret |= parse_tonal_group(s, &chunk.tonal_grp[i]); for (i = 0; i < (s->nchannels + 1) / 2; i++) { int ch1 = i * 2; int ch2 = FFMIN(ch1 + 1, s->nchannels - 1); if (parse_grid_1_chunk (s, &chunk.grid1 [i], ch1, ch2) < 0 || parse_high_res_grid(s, &chunk.hr_grid[i], ch1, ch2) < 0) { ret = -1; continue; } // TS chunks depend on both grids. TS_2 depends on TS_1. if (!chunk.grid1[i].len || !chunk.hr_grid[i].len || !chunk.ts1[i].len) continue; if (parse_ts1_chunk(s, &chunk.ts1[i], ch1, ch2) < 0 || parse_ts2_chunk(s, &chunk.ts2[i], ch1, ch2) < 0) { ret = -1; continue; } } if (ret < 0 && (s->avctx->err_recognition & AV_EF_EXPLODE)) return AVERROR_INVALIDDATA; return 0; } | 24,431 |
0 | static av_cold int wmv2_decode_init(AVCodecContext *avctx) { Wmv2Context *const w = avctx->priv_data; int ret; if ((ret = ff_msmpeg4_decode_init(avctx)) < 0) return ret; ff_wmv2_common_init(w); return ff_intrax8_common_init(&w->x8, &w->s.idsp, &w->s); } | 24,432 |
0 | static int amovie_get_samples(AVFilterLink *outlink) { MovieContext *movie = outlink->src->priv; AVPacket pkt; int ret, got_frame = 0; if (!movie->pkt.size && movie->is_done == 1) return AVERROR_EOF; /* check for another frame, in case the previous one was completely consumed */ if (!movie->pkt.size) { while ((ret = av_read_frame(movie->format_ctx, &pkt)) >= 0) { // Is this a packet from the selected stream? if (pkt.stream_index != movie->stream_index) { av_free_packet(&pkt); continue; } else { movie->pkt0 = movie->pkt = pkt; break; } } if (ret == AVERROR_EOF) { movie->is_done = 1; return ret; } } /* decode and update the movie pkt */ avcodec_get_frame_defaults(movie->frame); ret = avcodec_decode_audio4(movie->codec_ctx, movie->frame, &got_frame, &movie->pkt); if (ret < 0) { movie->pkt.size = 0; return ret; } movie->pkt.data += ret; movie->pkt.size -= ret; /* wrap the decoded data in a samplesref */ if (got_frame) { int nb_samples = movie->frame->nb_samples; int data_size = av_samples_get_buffer_size(NULL, movie->codec_ctx->channels, nb_samples, movie->codec_ctx->sample_fmt, 1); if (data_size < 0) return data_size; movie->samplesref = ff_get_audio_buffer(outlink, AV_PERM_WRITE, nb_samples); memcpy(movie->samplesref->data[0], movie->frame->data[0], data_size); movie->samplesref->pts = movie->pkt.pts; movie->samplesref->pos = movie->pkt.pos; movie->samplesref->audio->sample_rate = movie->codec_ctx->sample_rate; } // We got it. Free the packet since we are returning if (movie->pkt.size <= 0) av_free_packet(&movie->pkt0); return 0; } | 24,434 |
0 | static int h264_init_context(AVCodecContext *avctx, H264Context *h) { int i; h->avctx = avctx; h->picture_structure = PICT_FRAME; h->slice_context_count = 1; h->workaround_bugs = avctx->workaround_bugs; h->flags = avctx->flags; h->prev_poc_msb = 1 << 16; h->x264_build = -1; h->recovery_frame = -1; h->frame_recovered = 0; h->next_outputed_poc = INT_MIN; for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++) h->last_pocs[i] = INT_MIN; ff_h264_reset_sei(h); avctx->chroma_sample_location = AVCHROMA_LOC_LEFT; h->nb_slice_ctx = (avctx->active_thread_type & FF_THREAD_SLICE) ? H264_MAX_THREADS : 1; h->slice_ctx = av_mallocz_array(h->nb_slice_ctx, sizeof(*h->slice_ctx)); if (!h->slice_ctx) { h->nb_slice_ctx = 0; return AVERROR(ENOMEM); } for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) { h->DPB[i].f = av_frame_alloc(); if (!h->DPB[i].f) return AVERROR(ENOMEM); } h->cur_pic.f = av_frame_alloc(); if (!h->cur_pic.f) return AVERROR(ENOMEM); for (i = 0; i < h->nb_slice_ctx; i++) h->slice_ctx[i].h264 = h; return 0; } | 24,435 |
0 | static uint32_t nvic_readl(NVICState *s, uint32_t offset) { ARMCPU *cpu = s->cpu; uint32_t val; switch (offset) { case 4: /* Interrupt Control Type. */ return ((s->num_irq - NVIC_FIRST_IRQ) / 32) - 1; case 0xd00: /* CPUID Base. */ return cpu->midr; case 0xd04: /* Interrupt Control State. */ /* VECTACTIVE */ val = cpu->env.v7m.exception; /* VECTPENDING */ val |= (s->vectpending & 0xff) << 12; /* ISRPENDING - set if any external IRQ is pending */ if (nvic_isrpending(s)) { val |= (1 << 22); } /* RETTOBASE - set if only one handler is active */ if (nvic_rettobase(s)) { val |= (1 << 11); } /* PENDSTSET */ if (s->vectors[ARMV7M_EXCP_SYSTICK].pending) { val |= (1 << 26); } /* PENDSVSET */ if (s->vectors[ARMV7M_EXCP_PENDSV].pending) { val |= (1 << 28); } /* NMIPENDSET */ if (s->vectors[ARMV7M_EXCP_NMI].pending) { val |= (1 << 31); } /* ISRPREEMPT not implemented */ return val; case 0xd08: /* Vector Table Offset. */ return cpu->env.v7m.vecbase; case 0xd0c: /* Application Interrupt/Reset Control. */ return 0xfa050000 | (s->prigroup << 8); case 0xd10: /* System Control. */ /* TODO: Implement SLEEPONEXIT. */ return 0; case 0xd14: /* Configuration Control. */ return cpu->env.v7m.ccr; case 0xd24: /* System Handler Status. */ val = 0; if (s->vectors[ARMV7M_EXCP_MEM].active) { val |= (1 << 0); } if (s->vectors[ARMV7M_EXCP_BUS].active) { val |= (1 << 1); } if (s->vectors[ARMV7M_EXCP_USAGE].active) { val |= (1 << 3); } if (s->vectors[ARMV7M_EXCP_SVC].active) { val |= (1 << 7); } if (s->vectors[ARMV7M_EXCP_DEBUG].active) { val |= (1 << 8); } if (s->vectors[ARMV7M_EXCP_PENDSV].active) { val |= (1 << 10); } if (s->vectors[ARMV7M_EXCP_SYSTICK].active) { val |= (1 << 11); } if (s->vectors[ARMV7M_EXCP_USAGE].pending) { val |= (1 << 12); } if (s->vectors[ARMV7M_EXCP_MEM].pending) { val |= (1 << 13); } if (s->vectors[ARMV7M_EXCP_BUS].pending) { val |= (1 << 14); } if (s->vectors[ARMV7M_EXCP_SVC].pending) { val |= (1 << 15); } if (s->vectors[ARMV7M_EXCP_MEM].enabled) { val |= (1 << 16); } if (s->vectors[ARMV7M_EXCP_BUS].enabled) { val |= (1 << 17); } if (s->vectors[ARMV7M_EXCP_USAGE].enabled) { val |= (1 << 18); } return val; case 0xd28: /* Configurable Fault Status. */ return cpu->env.v7m.cfsr; case 0xd2c: /* Hard Fault Status. */ return cpu->env.v7m.hfsr; case 0xd30: /* Debug Fault Status. */ return cpu->env.v7m.dfsr; case 0xd34: /* MMFAR MemManage Fault Address */ return cpu->env.v7m.mmfar; case 0xd38: /* Bus Fault Address. */ return cpu->env.v7m.bfar; case 0xd3c: /* Aux Fault Status. */ /* TODO: Implement fault status registers. */ qemu_log_mask(LOG_UNIMP, "Aux Fault status registers unimplemented\n"); return 0; case 0xd40: /* PFR0. */ return 0x00000030; case 0xd44: /* PRF1. */ return 0x00000200; case 0xd48: /* DFR0. */ return 0x00100000; case 0xd4c: /* AFR0. */ return 0x00000000; case 0xd50: /* MMFR0. */ return 0x00000030; case 0xd54: /* MMFR1. */ return 0x00000000; case 0xd58: /* MMFR2. */ return 0x00000000; case 0xd5c: /* MMFR3. */ return 0x00000000; case 0xd60: /* ISAR0. */ return 0x01141110; case 0xd64: /* ISAR1. */ return 0x02111000; case 0xd68: /* ISAR2. */ return 0x21112231; case 0xd6c: /* ISAR3. */ return 0x01111110; case 0xd70: /* ISAR4. */ return 0x01310102; /* TODO: Implement debug registers. */ case 0xd90: /* MPU_TYPE */ /* Unified MPU; if the MPU is not present this value is zero */ return cpu->pmsav7_dregion << 8; break; case 0xd94: /* MPU_CTRL */ return cpu->env.v7m.mpu_ctrl; case 0xd98: /* MPU_RNR */ return cpu->env.pmsav7.rnr; case 0xd9c: /* MPU_RBAR */ case 0xda4: /* MPU_RBAR_A1 */ case 0xdac: /* MPU_RBAR_A2 */ case 0xdb4: /* MPU_RBAR_A3 */ { int region = cpu->env.pmsav7.rnr; if (arm_feature(&cpu->env, ARM_FEATURE_V8)) { /* PMSAv8M handling of the aliases is different from v7M: * aliases A1, A2, A3 override the low two bits of the region * number in MPU_RNR, and there is no 'region' field in the * RBAR register. */ int aliasno = (offset - 0xd9c) / 8; /* 0..3 */ if (aliasno) { region = deposit32(region, 0, 2, aliasno); } if (region >= cpu->pmsav7_dregion) { return 0; } return cpu->env.pmsav8.rbar[region]; } if (region >= cpu->pmsav7_dregion) { return 0; } return (cpu->env.pmsav7.drbar[region] & 0x1f) | (region & 0xf); } case 0xda0: /* MPU_RASR (v7M), MPU_RLAR (v8M) */ case 0xda8: /* MPU_RASR_A1 (v7M), MPU_RLAR_A1 (v8M) */ case 0xdb0: /* MPU_RASR_A2 (v7M), MPU_RLAR_A2 (v8M) */ case 0xdb8: /* MPU_RASR_A3 (v7M), MPU_RLAR_A3 (v8M) */ { int region = cpu->env.pmsav7.rnr; if (arm_feature(&cpu->env, ARM_FEATURE_V8)) { /* PMSAv8M handling of the aliases is different from v7M: * aliases A1, A2, A3 override the low two bits of the region * number in MPU_RNR. */ int aliasno = (offset - 0xda0) / 8; /* 0..3 */ if (aliasno) { region = deposit32(region, 0, 2, aliasno); } if (region >= cpu->pmsav7_dregion) { return 0; } return cpu->env.pmsav8.rlar[region]; } if (region >= cpu->pmsav7_dregion) { return 0; } return ((cpu->env.pmsav7.dracr[region] & 0xffff) << 16) | (cpu->env.pmsav7.drsr[region] & 0xffff); } case 0xdc0: /* MPU_MAIR0 */ if (!arm_feature(&cpu->env, ARM_FEATURE_V8)) { goto bad_offset; } return cpu->env.pmsav8.mair0; case 0xdc4: /* MPU_MAIR1 */ if (!arm_feature(&cpu->env, ARM_FEATURE_V8)) { goto bad_offset; } return cpu->env.pmsav8.mair1; default: bad_offset: qemu_log_mask(LOG_GUEST_ERROR, "NVIC: Bad read offset 0x%x\n", offset); return 0; } } | 24,436 |
0 | static void parse_cmdline(const char *cmdline, int *pnb_args, char **args) { const char *p; int nb_args, ret; char buf[1024]; p = cmdline; nb_args = 0; for(;;) { while (qemu_isspace(*p)) p++; if (*p == '\0') break; if (nb_args >= MAX_ARGS) break; ret = get_str(buf, sizeof(buf), &p); args[nb_args] = g_strdup(buf); nb_args++; if (ret < 0) break; } *pnb_args = nb_args; } | 24,437 |
0 | void portio_list_destroy(PortioList *piolist) { g_free(piolist->regions); g_free(piolist->aliases); } | 24,438 |
0 | INLINE flag extractFloat32Sign( float32 a ) { return a>>31; } | 24,439 |
0 | static int proxy_mknod(FsContext *fs_ctx, V9fsPath *dir_path, const char *name, FsCred *credp) { int retval; V9fsString fullname; v9fs_string_init(&fullname); v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name); retval = v9fs_request(fs_ctx->private, T_MKNOD, NULL, "sdqdd", &fullname, credp->fc_mode, credp->fc_rdev, credp->fc_uid, credp->fc_gid); v9fs_string_free(&fullname); if (retval < 0) { errno = -retval; retval = -1; } return retval; } | 24,440 |
0 | static bool memory_region_get_may_overlap(Object *obj, Error **errp) { MemoryRegion *mr = MEMORY_REGION(obj); return mr->may_overlap; } | 24,441 |
0 | static void DBDMA_run (DBDMA_channel *ch) { int channel; for (channel = 0; channel < DBDMA_CHANNELS; channel++, ch++) { uint32_t status = be32_to_cpu(ch->regs[DBDMA_STATUS]); if (!ch->processing && (status & RUN) && (status & ACTIVE)) channel_run(ch); } } | 24,443 |
0 | void helper_fstoq(CPUSPARCState *env, float32 src) { clear_float_exceptions(env); QT0 = float32_to_float128(src, &env->fp_status); check_ieee_exceptions(env); } | 24,444 |
0 | static void process_incoming_migration_bh(void *opaque) { Error *local_err = NULL; MigrationIncomingState *mis = opaque; /* Make sure all file formats flush their mutable metadata. * If we get an error here, just don't restart the VM yet. */ bdrv_invalidate_cache_all(&local_err); if (!local_err) { blk_resume_after_migration(&local_err); } if (local_err) { error_report_err(local_err); local_err = NULL; autostart = false; } /* * This must happen after all error conditions are dealt with and * we're sure the VM is going to be running on this host. */ qemu_announce_self(); /* If global state section was not received or we are in running state, we need to obey autostart. Any other state is set with runstate_set. */ if (!global_state_received() || global_state_get_runstate() == RUN_STATE_RUNNING) { if (autostart) { vm_start(); } else { runstate_set(RUN_STATE_PAUSED); } } else { runstate_set(global_state_get_runstate()); } migrate_decompress_threads_join(); /* * This must happen after any state changes since as soon as an external * observer sees this event they might start to prod at the VM assuming * it's ready to use. */ migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE, MIGRATION_STATUS_COMPLETED); qemu_bh_delete(mis->bh); migration_incoming_state_destroy(); } | 24,445 |
0 | int float64_lt_quiet( float64 a, float64 b STATUS_PARAM ) { flag aSign, bSign; if ( ( ( extractFloat64Exp( a ) == 0x7FF ) && extractFloat64Frac( a ) ) || ( ( extractFloat64Exp( b ) == 0x7FF ) && extractFloat64Frac( b ) ) ) { if ( float64_is_signaling_nan( a ) || float64_is_signaling_nan( b ) ) { float_raise( float_flag_invalid STATUS_VAR); } return 0; } aSign = extractFloat64Sign( a ); bSign = extractFloat64Sign( b ); if ( aSign != bSign ) return aSign && ( (bits64) ( ( a | b )<<1 ) != 0 ); return ( a != b ) && ( aSign ^ ( a < b ) ); } | 24,446 |
0 | static void machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); QEMUMachine *qm = data; mc->name = qm->name; mc->desc = qm->desc; mc->init = qm->init; mc->kvm_type = qm->kvm_type; mc->block_default_type = qm->block_default_type; mc->max_cpus = qm->max_cpus; mc->no_sdcard = qm->no_sdcard; mc->has_dynamic_sysbus = qm->has_dynamic_sysbus; mc->is_default = qm->is_default; mc->default_machine_opts = qm->default_machine_opts; mc->default_boot_order = qm->default_boot_order; } | 24,447 |
0 | int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev) { struct kvm_irq_routing_entry kroute = {}; int virq; MSIMessage msg = {0, 0}; if (dev) { msg = pci_get_msi_message(dev, vector); } if (kvm_gsi_direct_mapping()) { return kvm_arch_msi_data_to_gsi(msg.data); } if (!kvm_gsi_routing_enabled()) { return -ENOSYS; } virq = kvm_irqchip_get_virq(s); if (virq < 0) { return virq; } kroute.gsi = virq; kroute.type = KVM_IRQ_ROUTING_MSI; kroute.flags = 0; kroute.u.msi.address_lo = (uint32_t)msg.address; kroute.u.msi.address_hi = msg.address >> 32; kroute.u.msi.data = le32_to_cpu(msg.data); if (kvm_msi_devid_required()) { kroute.flags = KVM_MSI_VALID_DEVID; kroute.u.msi.devid = pci_requester_id(dev); } if (kvm_arch_fixup_msi_route(&kroute, msg.address, msg.data, dev)) { kvm_irqchip_release_virq(s, virq); return -EINVAL; } trace_kvm_irqchip_add_msi_route(dev ? dev->name : (char *)"N/A", vector, virq); kvm_add_routing_entry(s, &kroute); kvm_arch_add_msi_route_post(&kroute, vector, dev); kvm_irqchip_commit_routes(s); return virq; } | 24,449 |
0 | gen_intermediate_code_internal(TriCoreCPU *cpu, struct TranslationBlock *tb, int search_pc) { CPUState *cs = CPU(cpu); CPUTriCoreState *env = &cpu->env; DisasContext ctx; target_ulong pc_start; int num_insns; uint16_t *gen_opc_end; if (search_pc) { qemu_log("search pc %d\n", search_pc); } num_insns = 0; pc_start = tb->pc; gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE; ctx.pc = pc_start; ctx.saved_pc = -1; ctx.tb = tb; ctx.singlestep_enabled = cs->singlestep_enabled; ctx.bstate = BS_NONE; ctx.mem_idx = cpu_mmu_index(env); tcg_clear_temp_count(); gen_tb_start(); while (ctx.bstate == BS_NONE) { ctx.opcode = cpu_ldl_code(env, ctx.pc); decode_opc(env, &ctx, 0); num_insns++; if (tcg_ctx.gen_opc_ptr >= gen_opc_end) { gen_save_pc(ctx.next_pc); tcg_gen_exit_tb(0); break; } if (singlestep) { gen_save_pc(ctx.next_pc); tcg_gen_exit_tb(0); break; } ctx.pc = ctx.next_pc; } gen_tb_end(tb, num_insns); *tcg_ctx.gen_opc_ptr = INDEX_op_end; if (search_pc) { printf("done_generating search pc\n"); } else { tb->size = ctx.pc - pc_start; tb->icount = num_insns; } if (tcg_check_temp_count()) { printf("LEAK at %08x\n", env->PC); } #ifdef DEBUG_DISAS if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { qemu_log("IN: %s\n", lookup_symbol(pc_start)); log_target_disas(env, pc_start, ctx.pc - pc_start, 0); qemu_log("\n"); } #endif } | 24,450 |
0 | static int raw_pread_aligned(BlockDriverState *bs, int64_t offset, uint8_t *buf, int count) { BDRVRawState *s = bs->opaque; int ret; ret = fd_open(bs); if (ret < 0) return ret; ret = pread(s->fd, buf, count, offset); if (ret == count) goto label__raw_read__success; /* Allow reads beyond the end (needed for pwrite) */ if ((ret == 0) && bs->growable) { int64_t size = raw_getlength(bs); if (offset >= size) { memset(buf, 0, count); ret = count; goto label__raw_read__success; } } DEBUG_BLOCK_PRINT("raw_pread(%d:%s, %" PRId64 ", %p, %d) [%" PRId64 "] read failed %d : %d = %s\n", s->fd, bs->filename, offset, buf, count, bs->total_sectors, ret, errno, strerror(errno)); /* Try harder for CDrom. */ if (bs->type == BDRV_TYPE_CDROM) { ret = pread(s->fd, buf, count, offset); if (ret == count) goto label__raw_read__success; ret = pread(s->fd, buf, count, offset); if (ret == count) goto label__raw_read__success; DEBUG_BLOCK_PRINT("raw_pread(%d:%s, %" PRId64 ", %p, %d) [%" PRId64 "] retry read failed %d : %d = %s\n", s->fd, bs->filename, offset, buf, count, bs->total_sectors, ret, errno, strerror(errno)); } label__raw_read__success: return (ret < 0) ? -errno : ret; } | 24,451 |
0 | static void tcg_out_qemu_st_slow_path (TCGContext *s, TCGLabelQemuLdst *label) { int s_bits; int ir; int opc = label->opc; int mem_index = label->mem_index; int data_reg = label->datalo_reg; int data_reg2 = label->datahi_reg; int addr_reg = label->addrlo_reg; uint8_t *raddr = label->raddr; uint8_t **label_ptr = &label->label_ptr[0]; s_bits = opc & 3; /* resolve label address */ reloc_pc14 (label_ptr[0], (tcg_target_long) s->code_ptr); /* slow path */ ir = 3; tcg_out_mov (s, TCG_TYPE_I32, ir++, TCG_AREG0); #if TARGET_LONG_BITS == 32 tcg_out_mov (s, TCG_TYPE_I32, ir++, addr_reg); #else #ifdef TCG_TARGET_CALL_ALIGN_ARGS ir |= 1; #endif tcg_out_mov (s, TCG_TYPE_I32, ir++, label->addrhi_reg); tcg_out_mov (s, TCG_TYPE_I32, ir++, addr_reg); #endif switch (opc) { case 0: tcg_out32 (s, (RLWINM | RA (ir) | RS (data_reg) | SH (0) | MB (24) | ME (31))); break; case 1: tcg_out32 (s, (RLWINM | RA (ir) | RS (data_reg) | SH (0) | MB (16) | ME (31))); break; case 2: tcg_out_mov (s, TCG_TYPE_I32, ir, data_reg); break; case 3: #ifdef TCG_TARGET_CALL_ALIGN_ARGS ir |= 1; #endif tcg_out_mov (s, TCG_TYPE_I32, ir++, data_reg2); tcg_out_mov (s, TCG_TYPE_I32, ir, data_reg); break; } ir++; tcg_out_movi (s, TCG_TYPE_I32, ir, mem_index); tcg_out_call (s, (tcg_target_long) qemu_st_helpers[opc], 1); tcg_out32 (s, B | 8); tcg_out32 (s, (tcg_target_long) raddr); tcg_out_b (s, 0, (tcg_target_long) raddr); } | 24,452 |
0 | static int mpegaudio_parse(AVCodecParserContext *s1, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size) { MpegAudioParseContext *s = s1->priv_data; int len, ret, sr; uint32_t header; const uint8_t *buf_ptr; *poutbuf = NULL; *poutbuf_size = 0; buf_ptr = buf; while (buf_size > 0) { len = s->inbuf_ptr - s->inbuf; if (s->frame_size == 0) { /* special case for next header for first frame in free format case (XXX: find a simpler method) */ if (s->free_format_next_header != 0) { AV_WB32(s->inbuf, s->free_format_next_header); s->inbuf_ptr = s->inbuf + 4; s->free_format_next_header = 0; goto got_header; } /* no header seen : find one. We need at least MPA_HEADER_SIZE bytes to parse it */ len = FFMIN(MPA_HEADER_SIZE - len, buf_size); if (len > 0) { memcpy(s->inbuf_ptr, buf_ptr, len); buf_ptr += len; buf_size -= len; s->inbuf_ptr += len; } if ((s->inbuf_ptr - s->inbuf) >= MPA_HEADER_SIZE) { got_header: header = AV_RB32(s->inbuf); ret = ff_mpa_decode_header(avctx, header, &sr); if (ret < 0) { s->header_count= -2; /* no sync found : move by one byte (inefficient, but simple!) */ memmove(s->inbuf, s->inbuf + 1, s->inbuf_ptr - s->inbuf - 1); s->inbuf_ptr--; dprintf(avctx, "skip %x\n", header); /* reset free format frame size to give a chance to get a new bitrate */ s->free_format_frame_size = 0; } else { if((header&SAME_HEADER_MASK) != (s->header&SAME_HEADER_MASK) && s->header) s->header_count= -3; s->header= header; s->header_count++; s->frame_size = ret; #if 0 /* free format: prepare to compute frame size */ if (ff_mpegaudio_decode_header(s, header) == 1) { s->frame_size = -1; } #endif if(s->header_count > 1) avctx->sample_rate= sr; } } } else #if 0 if (s->frame_size == -1) { /* free format : find next sync to compute frame size */ len = MPA_MAX_CODED_FRAME_SIZE - len; if (len > buf_size) len = buf_size; if (len == 0) { /* frame too long: resync */ s->frame_size = 0; memmove(s->inbuf, s->inbuf + 1, s->inbuf_ptr - s->inbuf - 1); s->inbuf_ptr--; } else { uint8_t *p, *pend; uint32_t header1; int padding; memcpy(s->inbuf_ptr, buf_ptr, len); /* check for header */ p = s->inbuf_ptr - 3; pend = s->inbuf_ptr + len - 4; while (p <= pend) { header = AV_RB32(p); header1 = AV_RB32(s->inbuf); /* check with high probability that we have a valid header */ if ((header & SAME_HEADER_MASK) == (header1 & SAME_HEADER_MASK)) { /* header found: update pointers */ len = (p + 4) - s->inbuf_ptr; buf_ptr += len; buf_size -= len; s->inbuf_ptr = p; /* compute frame size */ s->free_format_next_header = header; s->free_format_frame_size = s->inbuf_ptr - s->inbuf; padding = (header1 >> 9) & 1; if (s->layer == 1) s->free_format_frame_size -= padding * 4; else s->free_format_frame_size -= padding; dprintf(avctx, "free frame size=%d padding=%d\n", s->free_format_frame_size, padding); ff_mpegaudio_decode_header(s, header1); goto next_data; } p++; } /* not found: simply increase pointers */ buf_ptr += len; s->inbuf_ptr += len; buf_size -= len; } } else #endif if (len < s->frame_size) { if (s->frame_size > MPA_MAX_CODED_FRAME_SIZE) s->frame_size = MPA_MAX_CODED_FRAME_SIZE; len = FFMIN(s->frame_size - len, buf_size); memcpy(s->inbuf_ptr, buf_ptr, len); buf_ptr += len; s->inbuf_ptr += len; buf_size -= len; } if(s->frame_size > 0 && buf_ptr - buf == s->inbuf_ptr - s->inbuf && buf_size + buf_ptr - buf >= s->frame_size){ if(s->header_count > 0){ *poutbuf = buf; *poutbuf_size = s->frame_size; } buf_ptr = buf + s->frame_size; s->inbuf_ptr = s->inbuf; s->frame_size = 0; break; } // next_data: if (s->frame_size > 0 && (s->inbuf_ptr - s->inbuf) >= s->frame_size) { if(s->header_count > 0){ *poutbuf = s->inbuf; *poutbuf_size = s->inbuf_ptr - s->inbuf; } s->inbuf_ptr = s->inbuf; s->frame_size = 0; break; } } return buf_ptr - buf; } | 24,453 |
0 | int ff_replaygain_export_raw(AVStream *st, int32_t tg, uint32_t tp, int32_t ag, uint32_t ap) { AVReplayGain *replaygain; if (tg == INT32_MIN && ag == INT32_MIN) return 0; replaygain = (AVReplayGain*)ff_stream_new_side_data(st, AV_PKT_DATA_REPLAYGAIN, sizeof(*replaygain)); if (!replaygain) return AVERROR(ENOMEM); replaygain->track_gain = tg; replaygain->track_peak = tp; replaygain->album_gain = ag; replaygain->album_peak = ap; return 0; } | 24,454 |
0 | static void dead_tmp(TCGv tmp) { int i; num_temps--; i = num_temps; if (GET_TCGV(temps[i]) == GET_TCGV(tmp)) return; /* Shuffle this temp to the last slot. */ while (GET_TCGV(temps[i]) != GET_TCGV(tmp)) i--; while (i < num_temps) { temps[i] = temps[i + 1]; i++; } temps[i] = tmp; } | 24,455 |
0 | pvscsi_update_irq_status(PVSCSIState *s) { PCIDevice *d = PCI_DEVICE(s); bool should_raise = s->reg_interrupt_enabled & s->reg_interrupt_status; trace_pvscsi_update_irq_level(should_raise, s->reg_interrupt_enabled, s->reg_interrupt_status); if (s->msi_used && msi_enabled(d)) { if (should_raise) { trace_pvscsi_update_irq_msi(); msi_notify(d, PVSCSI_VECTOR_COMPLETION); } return; } pci_set_irq(d, !!should_raise); } | 24,456 |
0 | static inline void check_io(CPUX86State *env, int addr, int size) { int io_offset, val, mask; /* TSS must be a valid 32 bit one */ if (!(env->tr.flags & DESC_P_MASK) || ((env->tr.flags >> DESC_TYPE_SHIFT) & 0xf) != 9 || env->tr.limit < 103) { goto fail; } io_offset = cpu_lduw_kernel(env, env->tr.base + 0x66); io_offset += (addr >> 3); /* Note: the check needs two bytes */ if ((io_offset + 1) > env->tr.limit) { goto fail; } val = cpu_lduw_kernel(env, env->tr.base + io_offset); val >>= (addr & 7); mask = (1 << size) - 1; /* all bits must be zero to allow the I/O */ if ((val & mask) != 0) { fail: raise_exception_err(env, EXCP0D_GPF, 0); } } | 24,457 |
0 | void page_set_flags(target_ulong start, target_ulong end, int flags) { PageDesc *p; target_ulong addr; /* mmap_lock should already be held. */ start = start & TARGET_PAGE_MASK; end = TARGET_PAGE_ALIGN(end); if (flags & PAGE_WRITE) flags |= PAGE_WRITE_ORG; for(addr = start; addr < end; addr += TARGET_PAGE_SIZE) { p = page_find_alloc(addr >> TARGET_PAGE_BITS); /* We may be called for host regions that are outside guest address space. */ if (!p) return; /* if the write protection is set, then we invalidate the code inside */ if (!(p->flags & PAGE_WRITE) && (flags & PAGE_WRITE) && p->first_tb) { tb_invalidate_phys_page(addr, 0, NULL); } p->flags = flags; } } | 24,458 |
1 | static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size, int parse_extradata) { AVCodecContext *const avctx = h->avctx; H264SliceContext *sl; int buf_index; unsigned context_count; int next_avc; int nals_needed = 0; ///< number of NALs that need decoding before the next frame thread starts int nal_index; int idr_cleared=0; int ret = 0; h->nal_unit_type= 0; if(!h->slice_context_count) h->slice_context_count= 1; h->max_contexts = h->slice_context_count; if (!(avctx->flags2 & CODEC_FLAG2_CHUNKS)) { h->current_slice = 0; if (!h->first_field) h->cur_pic_ptr = NULL; ff_h264_reset_sei(h); if (h->nal_length_size == 4) { if (buf_size > 8 && AV_RB32(buf) == 1 && AV_RB32(buf+5) > (unsigned)buf_size) { h->is_avc = 0; }else if(buf_size > 3 && AV_RB32(buf) > 1 && AV_RB32(buf) <= (unsigned)buf_size) h->is_avc = 1; if (avctx->active_thread_type & FF_THREAD_FRAME) nals_needed = get_last_needed_nal(h, buf, buf_size); { buf_index = 0; next_avc = h->is_avc ? 0 : buf_size; nal_index = 0; for (;;) { int consumed; int dst_length; int bit_length; const uint8_t *ptr; int nalsize = 0; int err; if (buf_index >= next_avc) { nalsize = get_avc_nalsize(h, buf, buf_size, &buf_index); if (nalsize < 0) break; next_avc = buf_index + nalsize; } else { buf_index = find_start_code(buf, buf_size, buf_index, next_avc); if (buf_index >= buf_size) break; if (buf_index >= next_avc) continue; sl = &h->slice_ctx[context_count]; ptr = ff_h264_decode_nal(h, sl, buf + buf_index, &dst_length, &consumed, next_avc - buf_index); if (!ptr || dst_length < 0) { ret = -1; bit_length = get_bit_length(h, buf, ptr, dst_length, buf_index + consumed, next_avc); if (h->avctx->debug & FF_DEBUG_STARTCODE) av_log(h->avctx, AV_LOG_DEBUG, "NAL %d/%d at %d/%d length %d\n", h->nal_unit_type, h->nal_ref_idc, buf_index, buf_size, dst_length); if (h->is_avc && (nalsize != consumed) && nalsize) av_log(h->avctx, AV_LOG_DEBUG, "AVC: Consumed only %d bytes instead of %d\n", consumed, nalsize); buf_index += consumed; nal_index++; if (avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc == 0 && h->nal_unit_type != NAL_SEI) continue; again: if ( (!(avctx->active_thread_type & FF_THREAD_FRAME) || nals_needed >= nal_index) && !h->current_slice) h->au_pps_id = -1; /* Ignore per frame NAL unit type during extradata * parsing. Decoding slices is not possible in codec init * with frame-mt */ if (parse_extradata) { switch (h->nal_unit_type) { case NAL_IDR_SLICE: case NAL_SLICE: case NAL_DPA: case NAL_DPB: case NAL_DPC: av_log(h->avctx, AV_LOG_WARNING, "Ignoring NAL %d in global header/extradata\n", h->nal_unit_type); // fall through to next case case NAL_AUXILIARY_SLICE: h->nal_unit_type = NAL_FF_IGNORE; err = 0; switch (h->nal_unit_type) { case NAL_IDR_SLICE: if ((ptr[0] & 0xFC) == 0x98) { av_log(h->avctx, AV_LOG_ERROR, "Invalid inter IDR frame\n"); h->next_outputed_poc = INT_MIN; ret = -1; if (h->nal_unit_type != NAL_IDR_SLICE) { av_log(h->avctx, AV_LOG_ERROR, "Invalid mix of idr and non-idr slices\n"); ret = -1; if(!idr_cleared) { if (h->current_slice && (avctx->active_thread_type & FF_THREAD_SLICE)) { av_log(h, AV_LOG_ERROR, "invalid mixed IDR / non IDR frames cannot be decoded in slice multithreading mode\n"); ret = AVERROR_INVALIDDATA; idr(h); // FIXME ensure we don't lose some frames if there is reordering idr_cleared = 1; h->has_recovery_point = 1; case NAL_SLICE: init_get_bits(&sl->gb, ptr, bit_length); if ((err = ff_h264_decode_slice_header(h, sl))) break; if (h->sei_recovery_frame_cnt >= 0) { if (h->frame_num != h->sei_recovery_frame_cnt || sl->slice_type_nos != AV_PICTURE_TYPE_I) h->valid_recovery_point = 1; if ( h->recovery_frame < 0 || ((h->recovery_frame - h->frame_num) & ((1 << h->sps.log2_max_frame_num)-1)) > h->sei_recovery_frame_cnt) { h->recovery_frame = (h->frame_num + h->sei_recovery_frame_cnt) & ((1 << h->sps.log2_max_frame_num) - 1); if (!h->valid_recovery_point) h->recovery_frame = h->frame_num; h->cur_pic_ptr->f.key_frame |= (h->nal_unit_type == NAL_IDR_SLICE); if (h->nal_unit_type == NAL_IDR_SLICE || h->recovery_frame == h->frame_num) { h->recovery_frame = -1; h->cur_pic_ptr->recovered = 1; // If we have an IDR, all frames after it in decoded order are // "recovered". if (h->nal_unit_type == NAL_IDR_SLICE) h->frame_recovered |= FRAME_RECOVERED_IDR; h->frame_recovered |= 3*!!(avctx->flags2 & CODEC_FLAG2_SHOW_ALL); h->frame_recovered |= 3*!!(avctx->flags & CODEC_FLAG_OUTPUT_CORRUPT); #if 1 h->cur_pic_ptr->recovered |= h->frame_recovered; #else h->cur_pic_ptr->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_IDR); #endif if (h->current_slice == 1) { if (!(avctx->flags2 & CODEC_FLAG2_CHUNKS)) decode_postinit(h, nal_index >= nals_needed); if (h->avctx->hwaccel && (ret = h->avctx->hwaccel->start_frame(h->avctx, buf, buf_size)) < 0) if (CONFIG_H264_VDPAU_DECODER && h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) ff_vdpau_h264_picture_start(h); if (sl->redundant_pic_count == 0) { if (avctx->hwaccel) { ret = avctx->hwaccel->decode_slice(avctx, &buf[buf_index - consumed], consumed); if (ret < 0) } else if (CONFIG_H264_VDPAU_DECODER && h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) { ff_vdpau_add_data_chunk(h->cur_pic_ptr->f.data[0], start_code, sizeof(start_code)); ff_vdpau_add_data_chunk(h->cur_pic_ptr->f.data[0], &buf[buf_index - consumed], consumed); } else context_count++; break; case NAL_DPA: case NAL_DPB: case NAL_DPC: avpriv_request_sample(avctx, "data partitioning"); ret = AVERROR(ENOSYS); break; case NAL_SEI: init_get_bits(&h->gb, ptr, bit_length); ret = ff_h264_decode_sei(h); break; case NAL_SPS: init_get_bits(&h->gb, ptr, bit_length); if (ff_h264_decode_seq_parameter_set(h) < 0 && (h->is_avc ? nalsize : 1)) { av_log(h->avctx, AV_LOG_DEBUG, "SPS decoding failure, trying again with the complete NAL\n"); if (h->is_avc) av_assert0(next_avc - buf_index + consumed == nalsize); if ((next_avc - buf_index + consumed - 1) >= INT_MAX/8) break; init_get_bits(&h->gb, &buf[buf_index + 1 - consumed], 8*(next_avc - buf_index + consumed - 1)); ff_h264_decode_seq_parameter_set(h); break; case NAL_PPS: init_get_bits(&h->gb, ptr, bit_length); ret = ff_h264_decode_picture_parameter_set(h, bit_length); break; case NAL_AUD: case NAL_END_SEQUENCE: case NAL_END_STREAM: case NAL_FILLER_DATA: case NAL_SPS_EXT: case NAL_AUXILIARY_SLICE: break; case NAL_FF_IGNORE: break; default: av_log(avctx, AV_LOG_DEBUG, "Unknown NAL code: %d (%d bits)\n", h->nal_unit_type, bit_length); if (context_count == h->max_contexts) { ret = ff_h264_execute_decode_slices(h, context_count); if (err < 0 || err == SLICE_SKIPED) { if (err < 0) av_log(h->avctx, AV_LOG_ERROR, "decode_slice_header error\n"); sl->ref_count[0] = sl->ref_count[1] = sl->list_count = 0; } else if (err == SLICE_SINGLETHREAD) { /* Slice could not be decoded in parallel mode, restart. Note * that rbsp_buffer is not transferred, but since we no longer * run in parallel mode this should not be an issue. */ sl = &h->slice_ctx[0]; goto again; if (context_count) { ret = ff_h264_execute_decode_slices(h, context_count); ret = 0; end: /* clean up */ if (h->cur_pic_ptr && !h->droppable) { ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, h->picture_structure == PICT_BOTTOM_FIELD); return (ret < 0) ? ret : buf_index; | 24,459 |
1 | static int check_tag(AVIOContext *s, int offset, unsigned int len) { char tag[4]; if (len > 4 || avio_seek(s, offset, SEEK_SET) < 0 || avio_read(s, tag, len) < len) return -1; else if (!AV_RB32(tag) || is_tag(tag, len)) return 1; return 0; } | 24,460 |
1 | static void fw_cfg_bootsplash(FWCfgState *s) { int boot_splash_time = -1; const char *boot_splash_filename = NULL; char *p; char *filename, *file_data; int file_size; int file_type = -1; const char *temp; /* get user configuration */ QemuOptsList *plist = qemu_find_opts("boot-opts"); QemuOpts *opts = QTAILQ_FIRST(&plist->head); if (opts != NULL) { temp = qemu_opt_get(opts, "splash"); if (temp != NULL) { boot_splash_filename = temp; } temp = qemu_opt_get(opts, "splash-time"); if (temp != NULL) { p = (char *)temp; boot_splash_time = strtol(p, (char **)&p, 10); } } /* insert splash time if user configurated */ if (boot_splash_time >= 0) { /* validate the input */ if (boot_splash_time > 0xffff) { error_report("splash time is big than 65535, force it to 65535."); boot_splash_time = 0xffff; } /* use little endian format */ qemu_extra_params_fw[0] = (uint8_t)(boot_splash_time & 0xff); qemu_extra_params_fw[1] = (uint8_t)((boot_splash_time >> 8) & 0xff); fw_cfg_add_file(s, "etc/boot-menu-wait", qemu_extra_params_fw, 2); } /* insert splash file if user configurated */ if (boot_splash_filename != NULL) { filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, boot_splash_filename); if (filename == NULL) { error_report("failed to find file '%s'.", boot_splash_filename); return; } /* loading file data */ file_data = read_splashfile(filename, &file_size, &file_type); if (file_data == NULL) { g_free(filename); return; } if (boot_splash_filedata != NULL) { g_free(boot_splash_filedata); } boot_splash_filedata = (uint8_t *)file_data; boot_splash_filedata_size = file_size; /* insert data */ if (file_type == JPG_FILE) { fw_cfg_add_file(s, "bootsplash.jpg", boot_splash_filedata, boot_splash_filedata_size); } else { fw_cfg_add_file(s, "bootsplash.bmp", boot_splash_filedata, boot_splash_filedata_size); } g_free(filename); } } | 24,461 |
1 | static ssize_t handle_aiocb_rw(RawPosixAIOData *aiocb) { ssize_t nbytes; char *buf; if (!(aiocb->aio_type & QEMU_AIO_MISALIGNED)) { /* * If there is just a single buffer, and it is properly aligned * we can just use plain pread/pwrite without any problems. */ if (aiocb->aio_niov == 1) { return handle_aiocb_rw_linear(aiocb, aiocb->aio_iov->iov_base); } /* * We have more than one iovec, and all are properly aligned. * * Try preadv/pwritev first and fall back to linearizing the * buffer if it's not supported. */ if (preadv_present) { nbytes = handle_aiocb_rw_vector(aiocb); if (nbytes == aiocb->aio_nbytes || (nbytes < 0 && nbytes != -ENOSYS)) { return nbytes; } preadv_present = false; } /* * XXX(hch): short read/write. no easy way to handle the reminder * using these interfaces. For now retry using plain * pread/pwrite? */ } /* * Ok, we have to do it the hard way, copy all segments into * a single aligned buffer. */ buf = qemu_blockalign(aiocb->bs, aiocb->aio_nbytes); if (aiocb->aio_type & QEMU_AIO_WRITE) { char *p = buf; int i; for (i = 0; i < aiocb->aio_niov; ++i) { memcpy(p, aiocb->aio_iov[i].iov_base, aiocb->aio_iov[i].iov_len); p += aiocb->aio_iov[i].iov_len; } assert(p - buf == aiocb->aio_nbytes); } nbytes = handle_aiocb_rw_linear(aiocb, buf); if (!(aiocb->aio_type & QEMU_AIO_WRITE)) { char *p = buf; size_t count = aiocb->aio_nbytes, copy; int i; for (i = 0; i < aiocb->aio_niov && count; ++i) { copy = count; if (copy > aiocb->aio_iov[i].iov_len) { copy = aiocb->aio_iov[i].iov_len; } memcpy(aiocb->aio_iov[i].iov_base, p, copy); assert(count >= copy); p += copy; count -= copy; } assert(count == 0); } qemu_vfree(buf); return nbytes; } | 24,462 |
1 | static inline void set_txint(ChannelState *s) { s->txint = 1; if (!s->rxint_under_svc) { s->txint_under_svc = 1; if (s->chn == chn_a) { s->rregs[R_INTR] |= INTR_TXINTA; if (s->wregs[W_MINTR] & MINTR_STATUSHI) s->otherchn->rregs[R_IVEC] = IVEC_HITXINTA; else s->otherchn->rregs[R_IVEC] = IVEC_LOTXINTA; } else { s->rregs[R_IVEC] = IVEC_TXINTB; s->otherchn->rregs[R_INTR] |= INTR_TXINTB; } escc_update_irq(s); } } | 24,463 |
0 | static int rm_probe(AVProbeData *p) { /* check file header */ if (p->buf_size <= 32) return 0; if ((p->buf[0] == '.' && p->buf[1] == 'R' && p->buf[2] == 'M' && p->buf[3] == 'F' && p->buf[4] == 0 && p->buf[5] == 0) || (p->buf[0] == '.' && p->buf[1] == 'r' && p->buf[2] == 'a' && p->buf[3] == 0xfd)) return AVPROBE_SCORE_MAX; else return 0; } | 24,464 |
0 | static int read_sm_data(AVFormatContext *s, AVIOContext *bc, AVPacket *pkt, int is_meta, int64_t maxpos) { int count = ffio_read_varlen(bc); int skip_start = 0; int skip_end = 0; int channels = 0; int64_t channel_layout = 0; int sample_rate = 0; int width = 0; int height = 0; int i; for (i=0; i<count; i++) { uint8_t name[256], str_value[256], type_str[256]; int value; if (avio_tell(bc) >= maxpos) return AVERROR_INVALIDDATA; get_str(bc, name, sizeof(name)); value = get_s(bc); if (value == -1) { get_str(bc, str_value, sizeof(str_value)); av_log(s, AV_LOG_WARNING, "Unknown string %s / %s\n", name, str_value); } else if (value == -2) { uint8_t *dst = NULL; int64_t v64, value_len; get_str(bc, type_str, sizeof(type_str)); value_len = ffio_read_varlen(bc); if (avio_tell(bc) + value_len >= maxpos) return AVERROR_INVALIDDATA; if (!strcmp(name, "Palette")) { dst = av_packet_new_side_data(pkt, AV_PKT_DATA_PALETTE, value_len); } else if (!strcmp(name, "Extradata")) { dst = av_packet_new_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, value_len); } else if (sscanf(name, "CodecSpecificSide%"SCNd64"", &v64) == 1) { dst = av_packet_new_side_data(pkt, AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL, value_len + 8); if(!dst) return AVERROR(ENOMEM); AV_WB64(dst, v64); dst += 8; } else if (!strcmp(name, "ChannelLayout") && value_len == 8) { channel_layout = avio_rl64(bc); continue; } else { av_log(s, AV_LOG_WARNING, "Unknown data %s / %s\n", name, type_str); avio_skip(bc, value_len); continue; } if(!dst) return AVERROR(ENOMEM); avio_read(bc, dst, value_len); } else if (value == -3) { value = get_s(bc); } else if (value == -4) { value = ffio_read_varlen(bc); } else if (value < -4) { get_s(bc); } else { if (!strcmp(name, "SkipStart")) { skip_start = value; } else if (!strcmp(name, "SkipEnd")) { skip_end = value; } else if (!strcmp(name, "Channels")) { channels = value; } else if (!strcmp(name, "SampleRate")) { sample_rate = value; } else if (!strcmp(name, "Width")) { width = value; } else if (!strcmp(name, "Height")) { height = value; } else { av_log(s, AV_LOG_WARNING, "Unknown integer %s\n", name); } } } if (channels || channel_layout || sample_rate || width || height) { uint8_t *dst = av_packet_new_side_data(pkt, AV_PKT_DATA_PARAM_CHANGE, 28); if (!dst) return AVERROR(ENOMEM); bytestream_put_le32(&dst, AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT*(!!channels) + AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT*(!!channel_layout) + AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE*(!!sample_rate) + AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS*(!!(width|height)) ); if (channels) bytestream_put_le32(&dst, channels); if (channel_layout) bytestream_put_le64(&dst, channel_layout); if (sample_rate) bytestream_put_le32(&dst, sample_rate); if (width || height){ bytestream_put_le32(&dst, width); bytestream_put_le32(&dst, height); } } if (skip_start || skip_end) { uint8_t *dst = av_packet_new_side_data(pkt, AV_PKT_DATA_SKIP_SAMPLES, 10); if (!dst) return AVERROR(ENOMEM); AV_WL32(dst, skip_start); AV_WL32(dst+4, skip_end); } return 0; } | 24,465 |
0 | static FFPsyWindowInfo psy_lame_window(FFPsyContext *ctx, const float *audio, const float *la, int channel, int prev_type) { AacPsyContext *pctx = (AacPsyContext*) ctx->model_priv_data; AacPsyChannel *pch = &pctx->ch[channel]; int grouping = 0; int uselongblock = 1; int attacks[AAC_NUM_BLOCKS_SHORT + 1] = { 0 }; float clippings[AAC_NUM_BLOCKS_SHORT]; int i; FFPsyWindowInfo wi = { { 0 } }; if (la) { float hpfsmpl[AAC_BLOCK_SIZE_LONG]; float const *pf = hpfsmpl; float attack_intensity[(AAC_NUM_BLOCKS_SHORT + 1) * PSY_LAME_NUM_SUBBLOCKS]; float energy_subshort[(AAC_NUM_BLOCKS_SHORT + 1) * PSY_LAME_NUM_SUBBLOCKS]; float energy_short[AAC_NUM_BLOCKS_SHORT + 1] = { 0 }; const float *firbuf = la + (AAC_BLOCK_SIZE_SHORT/4 - PSY_LAME_FIR_LEN); int att_sum = 0; /* LAME comment: apply high pass filter of fs/4 */ psy_hp_filter(firbuf, hpfsmpl, psy_fir_coeffs); /* Calculate the energies of each sub-shortblock */ for (i = 0; i < PSY_LAME_NUM_SUBBLOCKS; i++) { energy_subshort[i] = pch->prev_energy_subshort[i + ((AAC_NUM_BLOCKS_SHORT - 1) * PSY_LAME_NUM_SUBBLOCKS)]; assert(pch->prev_energy_subshort[i + ((AAC_NUM_BLOCKS_SHORT - 2) * PSY_LAME_NUM_SUBBLOCKS + 1)] > 0); attack_intensity[i] = energy_subshort[i] / pch->prev_energy_subshort[i + ((AAC_NUM_BLOCKS_SHORT - 2) * PSY_LAME_NUM_SUBBLOCKS + 1)]; energy_short[0] += energy_subshort[i]; } for (i = 0; i < AAC_NUM_BLOCKS_SHORT * PSY_LAME_NUM_SUBBLOCKS; i++) { float const *const pfe = pf + AAC_BLOCK_SIZE_LONG / (AAC_NUM_BLOCKS_SHORT * PSY_LAME_NUM_SUBBLOCKS); float p = 1.0f; for (; pf < pfe; pf++) p = FFMAX(p, fabsf(*pf)); pch->prev_energy_subshort[i] = energy_subshort[i + PSY_LAME_NUM_SUBBLOCKS] = p; energy_short[1 + i / PSY_LAME_NUM_SUBBLOCKS] += p; /* NOTE: The indexes below are [i + 3 - 2] in the LAME source. * Obviously the 3 and 2 have some significance, or this would be just [i + 1] * (which is what we use here). What the 3 stands for is ambiguous, as it is both * number of short blocks, and the number of sub-short blocks. * It seems that LAME is comparing each sub-block to sub-block + 1 in the * previous block. */ if (p > energy_subshort[i + 1]) p = p / energy_subshort[i + 1]; else if (energy_subshort[i + 1] > p * 10.0f) p = energy_subshort[i + 1] / (p * 10.0f); else p = 0.0; attack_intensity[i + PSY_LAME_NUM_SUBBLOCKS] = p; } /* compare energy between sub-short blocks */ for (i = 0; i < (AAC_NUM_BLOCKS_SHORT + 1) * PSY_LAME_NUM_SUBBLOCKS; i++) if (!attacks[i / PSY_LAME_NUM_SUBBLOCKS]) if (attack_intensity[i] > pch->attack_threshold) attacks[i / PSY_LAME_NUM_SUBBLOCKS] = (i % PSY_LAME_NUM_SUBBLOCKS) + 1; /* should have energy change between short blocks, in order to avoid periodic signals */ /* Good samples to show the effect are Trumpet test songs */ /* GB: tuned (1) to avoid too many short blocks for test sample TRUMPET */ /* RH: tuned (2) to let enough short blocks through for test sample FSOL and SNAPS */ for (i = 1; i < AAC_NUM_BLOCKS_SHORT + 1; i++) { float const u = energy_short[i - 1]; float const v = energy_short[i]; float const m = FFMAX(u, v); if (m < 40000) { /* (2) */ if (u < 1.7f * v && v < 1.7f * u) { /* (1) */ if (i == 1 && attacks[0] < attacks[i]) attacks[0] = 0; attacks[i] = 0; } } att_sum += attacks[i]; } if (attacks[0] <= pch->prev_attack) attacks[0] = 0; att_sum += attacks[0]; /* 3 below indicates the previous attack happened in the last sub-block of the previous sequence */ if (pch->prev_attack == 3 || att_sum) { uselongblock = 0; for (i = 1; i < AAC_NUM_BLOCKS_SHORT + 1; i++) if (attacks[i] && attacks[i-1]) attacks[i] = 0; } } else { /* We have no lookahead info, so just use same type as the previous sequence. */ uselongblock = !(prev_type == EIGHT_SHORT_SEQUENCE); } lame_apply_block_type(pch, &wi, uselongblock); /* Calculate input sample maximums and evaluate clipping risk */ if (audio) { for (i = 0; i < AAC_NUM_BLOCKS_SHORT; i++) { const float *wbuf = audio + i * AAC_BLOCK_SIZE_SHORT; float max = 0; int j; for (j = 0; j < AAC_BLOCK_SIZE_SHORT; j++) max = FFMAX(max, fabsf(wbuf[j])); clippings[i] = max; } } else { for (i = 0; i < 8; i++) clippings[i] = 0; } wi.window_type[1] = prev_type; if (wi.window_type[0] != EIGHT_SHORT_SEQUENCE) { float clipping = 0.0f; wi.num_windows = 1; wi.grouping[0] = 1; if (wi.window_type[0] == LONG_START_SEQUENCE) wi.window_shape = 0; else wi.window_shape = 1; for (i = 0; i < 8; i++) clipping = FFMAX(clipping, clippings[i]); wi.clipping[0] = clipping; } else { int lastgrp = 0; wi.num_windows = 8; wi.window_shape = 0; for (i = 0; i < 8; i++) { if (!((pch->next_grouping >> i) & 1)) lastgrp = i; wi.grouping[lastgrp]++; } for (i = 0; i < 8; i += wi.grouping[i]) { int w; float clipping = 0.0f; for (w = 0; w < wi.grouping[i]; w++) clipping = FFMAX(clipping, clippings[i+w]); for (w = 0; w < wi.grouping[i]; w++) wi.clipping[i+w] = clipping; } } /* Determine grouping, based on the location of the first attack, and save for * the next frame. * FIXME: Move this to analysis. * TODO: Tune groupings depending on attack location * TODO: Handle more than one attack in a group */ for (i = 0; i < 9; i++) { if (attacks[i]) { grouping = i; break; } } pch->next_grouping = window_grouping[grouping]; pch->prev_attack = attacks[8]; return wi; } | 24,466 |
0 | static inline void RENAME(yuvPlanartoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, long width, long height, long lumStride, long chromStride, long dstStride, long vertLumPerChroma) { long y; const long chromWidth= width>>1; for(y=0; y<height; y++) { #ifdef HAVE_MMX //FIXME handle 2 lines a once (fewer prefetch, reuse some chrom, but very likely limited by mem anyway) asm volatile( "xor %%"REG_a", %%"REG_a" \n\t" ASMALIGN16 "1: \n\t" PREFETCH" 32(%1, %%"REG_a", 2) \n\t" PREFETCH" 32(%2, %%"REG_a") \n\t" PREFETCH" 32(%3, %%"REG_a") \n\t" "movq (%2, %%"REG_a"), %%mm0 \n\t" // U(0) "movq %%mm0, %%mm2 \n\t" // U(0) "movq (%3, %%"REG_a"), %%mm1 \n\t" // V(0) "punpcklbw %%mm1, %%mm0 \n\t" // UVUV UVUV(0) "punpckhbw %%mm1, %%mm2 \n\t" // UVUV UVUV(8) "movq (%1, %%"REG_a",2), %%mm3 \n\t" // Y(0) "movq 8(%1, %%"REG_a",2), %%mm5 \n\t" // Y(8) "movq %%mm3, %%mm4 \n\t" // Y(0) "movq %%mm5, %%mm6 \n\t" // Y(8) "punpcklbw %%mm0, %%mm3 \n\t" // YUYV YUYV(0) "punpckhbw %%mm0, %%mm4 \n\t" // YUYV YUYV(4) "punpcklbw %%mm2, %%mm5 \n\t" // YUYV YUYV(8) "punpckhbw %%mm2, %%mm6 \n\t" // YUYV YUYV(12) MOVNTQ" %%mm3, (%0, %%"REG_a", 4)\n\t" MOVNTQ" %%mm4, 8(%0, %%"REG_a", 4)\n\t" MOVNTQ" %%mm5, 16(%0, %%"REG_a", 4)\n\t" MOVNTQ" %%mm6, 24(%0, %%"REG_a", 4)\n\t" "add $8, %%"REG_a" \n\t" "cmp %4, %%"REG_a" \n\t" " jb 1b \n\t" ::"r"(dst), "r"(ysrc), "r"(usrc), "r"(vsrc), "g" (chromWidth) : "%"REG_a ); #else #if defined ARCH_ALPHA && defined HAVE_MVI #define pl2yuy2(n) \ y1 = yc[n]; \ y2 = yc2[n]; \ u = uc[n]; \ v = vc[n]; \ asm("unpkbw %1, %0" : "=r"(y1) : "r"(y1)); \ asm("unpkbw %1, %0" : "=r"(y2) : "r"(y2)); \ asm("unpkbl %1, %0" : "=r"(u) : "r"(u)); \ asm("unpkbl %1, %0" : "=r"(v) : "r"(v)); \ yuv1 = (u << 8) + (v << 24); \ yuv2 = yuv1 + y2; \ yuv1 += y1; \ qdst[n] = yuv1; \ qdst2[n] = yuv2; int i; uint64_t *qdst = (uint64_t *) dst; uint64_t *qdst2 = (uint64_t *) (dst + dstStride); const uint32_t *yc = (uint32_t *) ysrc; const uint32_t *yc2 = (uint32_t *) (ysrc + lumStride); const uint16_t *uc = (uint16_t*) usrc, *vc = (uint16_t*) vsrc; for(i = 0; i < chromWidth; i += 8){ uint64_t y1, y2, yuv1, yuv2; uint64_t u, v; /* Prefetch */ asm("ldq $31,64(%0)" :: "r"(yc)); asm("ldq $31,64(%0)" :: "r"(yc2)); asm("ldq $31,64(%0)" :: "r"(uc)); asm("ldq $31,64(%0)" :: "r"(vc)); pl2yuy2(0); pl2yuy2(1); pl2yuy2(2); pl2yuy2(3); yc += 4; yc2 += 4; uc += 4; vc += 4; qdst += 4; qdst2 += 4; } y++; ysrc += lumStride; dst += dstStride; #elif __WORDSIZE >= 64 int i; uint64_t *ldst = (uint64_t *) dst; const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc; for(i = 0; i < chromWidth; i += 2){ uint64_t k, l; k = yc[0] + (uc[0] << 8) + (yc[1] << 16) + (vc[0] << 24); l = yc[2] + (uc[1] << 8) + (yc[3] << 16) + (vc[1] << 24); *ldst++ = k + (l << 32); yc += 4; uc += 2; vc += 2; } #else int i, *idst = (int32_t *) dst; const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc; for(i = 0; i < chromWidth; i++){ #ifdef WORDS_BIGENDIAN *idst++ = (yc[0] << 24)+ (uc[0] << 16) + (yc[1] << 8) + (vc[0] << 0); #else *idst++ = yc[0] + (uc[0] << 8) + (yc[1] << 16) + (vc[0] << 24); #endif yc += 2; uc++; vc++; } #endif #endif if((y&(vertLumPerChroma-1))==(vertLumPerChroma-1) ) { usrc += chromStride; vsrc += chromStride; } ysrc += lumStride; dst += dstStride; } #ifdef HAVE_MMX asm( EMMS" \n\t" SFENCE" \n\t" :::"memory"); #endif } | 24,467 |
0 | static int ass_get_duration(const uint8_t *p) { int sh, sm, ss, sc, eh, em, es, ec; uint64_t start, end; if (sscanf(p, "%*[^,],%d:%d:%d%*c%d,%d:%d:%d%*c%d", &sh, &sm, &ss, &sc, &eh, &em, &es, &ec) != 8) return 0; start = 3600000 * sh + 60000 * sm + 1000 * ss + 10 * sc; end = 3600000 * eh + 60000 * em + 1000 * es + 10 * ec; return end - start; } | 24,468 |
1 | static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, struct msghdr *msgh) { struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); abi_long msg_controllen; abi_ulong target_cmsg_addr; struct target_cmsghdr *target_cmsg, *target_cmsg_start; socklen_t space = 0; msg_controllen = tswapal(target_msgh->msg_controllen); if (msg_controllen < sizeof (struct target_cmsghdr)) goto the_end; target_cmsg_addr = tswapal(target_msgh->msg_control); target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); target_cmsg_start = target_cmsg; if (!target_cmsg) return -TARGET_EFAULT; while (cmsg && target_cmsg) { void *data = CMSG_DATA(cmsg); void *target_data = TARGET_CMSG_DATA(target_cmsg); int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); int tgt_len, tgt_space; /* We never copy a half-header but may copy half-data; * this is Linux's behaviour in put_cmsg(). Note that * truncation here is a guest problem (which we report * to the guest via the CTRUNC bit), unlike truncation * in target_to_host_cmsg, which is a QEMU bug. */ if (msg_controllen < sizeof(struct cmsghdr)) { target_msgh->msg_flags |= tswap32(MSG_CTRUNC); break; } if (cmsg->cmsg_level == SOL_SOCKET) { target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET); } else { target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); } target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); tgt_len = TARGET_CMSG_LEN(len); /* Payload types which need a different size of payload on * the target must adjust tgt_len here. */ switch (cmsg->cmsg_level) { case SOL_SOCKET: switch (cmsg->cmsg_type) { case SO_TIMESTAMP: tgt_len = sizeof(struct target_timeval); break; default: break; } default: break; } if (msg_controllen < tgt_len) { target_msgh->msg_flags |= tswap32(MSG_CTRUNC); tgt_len = msg_controllen; } /* We must now copy-and-convert len bytes of payload * into tgt_len bytes of destination space. Bear in mind * that in both source and destination we may be dealing * with a truncated value! */ switch (cmsg->cmsg_level) { case SOL_SOCKET: switch (cmsg->cmsg_type) { case SCM_RIGHTS: { int *fd = (int *)data; int *target_fd = (int *)target_data; int i, numfds = tgt_len / sizeof(int); for (i = 0; i < numfds; i++) { __put_user(fd[i], target_fd + i); } break; } case SO_TIMESTAMP: { struct timeval *tv = (struct timeval *)data; struct target_timeval *target_tv = (struct target_timeval *)target_data; if (len != sizeof(struct timeval) || tgt_len != sizeof(struct target_timeval)) { goto unimplemented; } /* copy struct timeval to target */ __put_user(tv->tv_sec, &target_tv->tv_sec); __put_user(tv->tv_usec, &target_tv->tv_usec); break; } case SCM_CREDENTIALS: { struct ucred *cred = (struct ucred *)data; struct target_ucred *target_cred = (struct target_ucred *)target_data; __put_user(cred->pid, &target_cred->pid); __put_user(cred->uid, &target_cred->uid); __put_user(cred->gid, &target_cred->gid); break; } default: goto unimplemented; } break; case SOL_IP: switch (cmsg->cmsg_type) { case IP_TTL: { uint32_t *v = (uint32_t *)data; uint32_t *t_int = (uint32_t *)target_data; __put_user(*v, t_int); break; } case IP_RECVERR: { struct errhdr_t { struct sock_extended_err ee; struct sockaddr_in offender; }; struct errhdr_t *errh = (struct errhdr_t *)data; struct errhdr_t *target_errh = (struct errhdr_t *)target_data; __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); host_to_target_sockaddr((unsigned long) &target_errh->offender, (void *) &errh->offender, sizeof(errh->offender)); break; } default: goto unimplemented; } break; case SOL_IPV6: switch (cmsg->cmsg_type) { case IPV6_HOPLIMIT: { uint32_t *v = (uint32_t *)data; uint32_t *t_int = (uint32_t *)target_data; __put_user(*v, t_int); break; } case IPV6_RECVERR: { struct errhdr6_t { struct sock_extended_err ee; struct sockaddr_in6 offender; }; struct errhdr6_t *errh = (struct errhdr6_t *)data; struct errhdr6_t *target_errh = (struct errhdr6_t *)target_data; __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); host_to_target_sockaddr((unsigned long) &target_errh->offender, (void *) &errh->offender, sizeof(errh->offender)); break; } default: goto unimplemented; } break; default: unimplemented: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); memcpy(target_data, data, MIN(len, tgt_len)); if (tgt_len > len) { memset(target_data + len, 0, tgt_len - len); } } target_cmsg->cmsg_len = tswapal(tgt_len); tgt_space = TARGET_CMSG_SPACE(len); if (msg_controllen < tgt_space) { tgt_space = msg_controllen; } msg_controllen -= tgt_space; space += tgt_space; cmsg = CMSG_NXTHDR(msgh, cmsg); target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, target_cmsg_start); } unlock_user(target_cmsg, target_cmsg_addr, space); the_end: target_msgh->msg_controllen = tswapal(space); return 0; } | 24,470 |
1 | static void ib700_pc_init(PCIBus *unused) { register_savevm("ib700_wdt", -1, 0, ib700_save, ib700_load, NULL); register_ioport_write(0x441, 2, 1, ib700_write_disable_reg, NULL); register_ioport_write(0x443, 2, 1, ib700_write_enable_reg, NULL); } | 24,473 |
1 | static int vscsi_srp_indirect_data(VSCSIState *s, vscsi_req *req, uint8_t *buf, uint32_t len) { struct srp_direct_buf *td = &req->ind_desc->table_desc; struct srp_direct_buf *md = req->cur_desc; int rc = 0; uint32_t llen, total = 0; dprintf("VSCSI: indirect segment 0x%x bytes, td va=0x%llx len=0x%x\n", len, (unsigned long long)td->va, td->len); /* While we have data ... */ while (len) { /* If we have a descriptor but it's empty, go fetch a new one */ if (md && md->len == 0) { /* More local available, use one */ if (req->local_desc) { md = ++req->cur_desc; --req->local_desc; --req->total_desc; td->va += sizeof(struct srp_direct_buf); } else { md = req->cur_desc = NULL; } } /* No descriptor at hand, fetch one */ if (!md) { if (!req->total_desc) { dprintf("VSCSI: Out of descriptors !\n"); break; } md = req->cur_desc = &req->ext_desc; dprintf("VSCSI: Reading desc from 0x%llx\n", (unsigned long long)td->va); rc = spapr_tce_dma_read(&s->vdev, td->va, md, sizeof(struct srp_direct_buf)); if (rc) { dprintf("VSCSI: tce_dma_read -> %d reading ext_desc\n", rc); break; } vscsi_swap_desc(md); td->va += sizeof(struct srp_direct_buf); --req->total_desc; } dprintf("VSCSI: [desc va=0x%llx,len=0x%x] remaining=0x%x\n", (unsigned long long)md->va, md->len, len); /* Perform transfer */ llen = MIN(len, md->len); if (req->writing) { /* writing = to device = reading from memory */ rc = spapr_tce_dma_read(&s->vdev, md->va, buf, llen); } else { rc = spapr_tce_dma_write(&s->vdev, md->va, buf, llen); } if (rc) { dprintf("VSCSI: tce_dma_r/w(%d) -> %d\n", req->writing, rc); break; } dprintf("VSCSI: data: %02x %02x %02x %02x...\n", buf[0], buf[1], buf[2], buf[3]); len -= llen; buf += llen; total += llen; md->va += llen; md->len -= llen; } return rc ? -1 : total; } | 24,474 |
1 | static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt) { BinkAudioContext *s = avctx->priv_data; AVFrame *frame = data; GetBitContext *gb = &s->gb; int ret, consumed = 0; if (!get_bits_left(gb)) { uint8_t *buf; /* handle end-of-stream */ if (!avpkt->size) { *got_frame_ptr = 0; return 0; } if (avpkt->size < 4) { av_log(avctx, AV_LOG_ERROR, "Packet is too small\n"); return AVERROR_INVALIDDATA; } buf = av_realloc(s->packet_buffer, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE); if (!buf) return AVERROR(ENOMEM); s->packet_buffer = buf; memcpy(s->packet_buffer, avpkt->data, avpkt->size); if ((ret = init_get_bits8(gb, s->packet_buffer, avpkt->size)) < 0) return ret; consumed = avpkt->size; /* skip reported size */ skip_bits_long(gb, 32); } /* get output buffer */ frame->nb_samples = s->frame_len; if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) return ret; if (decode_block(s, (float **)frame->extended_data, avctx->codec->id == AV_CODEC_ID_BINKAUDIO_DCT)) { av_log(avctx, AV_LOG_ERROR, "Incomplete packet\n"); return AVERROR_INVALIDDATA; } get_bits_align32(gb); frame->nb_samples = s->block_size / avctx->channels; *got_frame_ptr = 1; return consumed; } | 24,475 |
0 | static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) { uint8_t *state= &h->cabac_state[ctx_base]; int mb_type; if(intra_slice){ MpegEncContext * const s = &h->s; const int mba_xy = h->left_mb_xy[0]; const int mbb_xy = h->top_mb_xy; int ctx=0; if( h->slice_table[mba_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mba_xy] ) ) ctx++; if( h->slice_table[mbb_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mbb_xy] ) ) ctx++; if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 ) return 0; /* I4x4 */ state += 2; }else{ if( get_cabac_noinline( &h->cabac, state ) == 0 ) return 0; /* I4x4 */ } if( get_cabac_terminate( &h->cabac ) ) return 25; /* PCM */ mb_type = 1; /* I16x16 */ mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */ if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */ mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] ); mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] ); mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] ); return mb_type; } | 24,476 |
0 | static int decode_p_picture_header(VC9Context *v) { /* INTERFRM, FRMCNT, RANGEREDFRM read in caller */ int lowquant, pqindex; pqindex = get_bits(&v->gb, 5); if (v->quantizer_mode == QUANT_FRAME_IMPLICIT) v->pq = pquant_table[0][pqindex]; else { v->pq = pquant_table[v->quantizer_mode-1][pqindex]; } if (pqindex < 9) v->halfpq = get_bits(&v->gb, 1); if (v->quantizer_mode == QUANT_FRAME_EXPLICIT) v->pquantizer = get_bits(&v->gb, 1); av_log(v->avctx, AV_LOG_DEBUG, "P Frame: QP=%i (+%i/2)\n", v->pq, v->halfpq); if (v->extended_mv == 1) v->mvrange = get_prefix(&v->gb, 0, 3); #if HAS_ADVANCED_PROFILE if (v->profile > PROFILE_MAIN) { if (v->postprocflag) v->postproc = get_bits(&v->gb, 1); } else #endif if (v->multires) v->respic = get_bits(&v->gb, 2); lowquant = (v->pquantizer>12) ? 0 : 1; v->mv_mode = mv_pmode_table[lowquant][get_prefix(&v->gb, 1, 4)]; if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { v->mv_mode2 = mv_pmode_table[lowquant][get_prefix(&v->gb, 1, 3)]; v->lumscale = get_bits(&v->gb, 6); v->lumshift = get_bits(&v->gb, 6); } if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && v->mv_mode2 == MV_PMODE_MIXED_MV) || v->mv_mode == MV_PMODE_MIXED_MV) { if (bitplane_decoding(v->mv_type_mb_plane, v->width_mb, v->height_mb, v) < 0) return -1; } if (bitplane_decoding(v->skip_mb_plane, v->width_mb, v->height_mb, v) < 0) return -1; /* Hopefully this is correct for P frames */ v->mv_diff_vlc = &vc9_mv_diff_vlc[get_bits(&v->gb, 2)]; v->cbpcy_vlc = &vc9_cbpcy_p_vlc[get_bits(&v->gb, 2)]; if (v->dquant) { av_log(v->avctx, AV_LOG_INFO, "VOP DQuant info\n"); vop_dquant_decoding(v); } if (v->vstransform) { v->ttmbf = get_bits(&v->gb, 1); if (v->ttmbf) { v->ttfrm = get_bits(&v->gb, 2); av_log(v->avctx, AV_LOG_INFO, "Transform used: %ix%i\n", (v->ttfrm & 2) ? 4 : 8, (v->ttfrm & 1) ? 4 : 8); } } /* Epilog should be done in caller */ return 0; } | 24,477 |
0 | void ff_avg_h264_qpel8_mc12_msa(uint8_t *dst, const uint8_t *src, ptrdiff_t stride) { avc_luma_midh_qrt_and_aver_dst_8w_msa(src - (2 * stride) - 2, stride, dst, stride, 8, 0); } | 24,479 |
0 | static void sbr_hf_assemble(float Y[2][38][64][2], const float X_high[64][40][2], SpectralBandReplication *sbr, SBRData *ch_data, const int e_a[2]) { int e, i, j, m; const int h_SL = 4 * !sbr->bs_smoothing_mode; const int kx = sbr->kx[1]; const int m_max = sbr->m[1]; static const float h_smooth[5] = { 0.33333333333333, 0.30150283239582, 0.21816949906249, 0.11516383427084, 0.03183050093751, }; static const int8_t phi[2][4] = { { 1, 0, -1, 0}, // real { 0, 1, 0, -1}, // imaginary }; float (*g_temp)[48] = ch_data->g_temp, (*q_temp)[48] = ch_data->q_temp; int indexnoise = ch_data->f_indexnoise; int indexsine = ch_data->f_indexsine; memcpy(Y[0], Y[1], sizeof(Y[0])); if (sbr->reset) { for (i = 0; i < h_SL; i++) { memcpy(g_temp[i + 2*ch_data->t_env[0]], sbr->gain[0], m_max * sizeof(sbr->gain[0][0])); memcpy(q_temp[i + 2*ch_data->t_env[0]], sbr->q_m[0], m_max * sizeof(sbr->q_m[0][0])); } } else if (h_SL) { memcpy(g_temp[2*ch_data->t_env[0]], g_temp[2*ch_data->t_env_num_env_old], 4*sizeof(g_temp[0])); memcpy(q_temp[2*ch_data->t_env[0]], q_temp[2*ch_data->t_env_num_env_old], 4*sizeof(q_temp[0])); } for (e = 0; e < ch_data->bs_num_env; e++) { for (i = 2 * ch_data->t_env[e]; i < 2 * ch_data->t_env[e + 1]; i++) { memcpy(g_temp[h_SL + i], sbr->gain[e], m_max * sizeof(sbr->gain[0][0])); memcpy(q_temp[h_SL + i], sbr->q_m[e], m_max * sizeof(sbr->q_m[0][0])); } } for (e = 0; e < ch_data->bs_num_env; e++) { for (i = 2 * ch_data->t_env[e]; i < 2 * ch_data->t_env[e + 1]; i++) { int phi_sign = (1 - 2*(kx & 1)); if (h_SL && e != e_a[0] && e != e_a[1]) { for (m = 0; m < m_max; m++) { const int idx1 = i + h_SL; float g_filt = 0.0f; for (j = 0; j <= h_SL; j++) g_filt += g_temp[idx1 - j][m] * h_smooth[j]; Y[1][i][m + kx][0] = X_high[m + kx][i + ENVELOPE_ADJUSTMENT_OFFSET][0] * g_filt; Y[1][i][m + kx][1] = X_high[m + kx][i + ENVELOPE_ADJUSTMENT_OFFSET][1] * g_filt; } } else { for (m = 0; m < m_max; m++) { const float g_filt = g_temp[i + h_SL][m]; Y[1][i][m + kx][0] = X_high[m + kx][i + ENVELOPE_ADJUSTMENT_OFFSET][0] * g_filt; Y[1][i][m + kx][1] = X_high[m + kx][i + ENVELOPE_ADJUSTMENT_OFFSET][1] * g_filt; } } if (e != e_a[0] && e != e_a[1]) { for (m = 0; m < m_max; m++) { indexnoise = (indexnoise + 1) & 0x1ff; if (sbr->s_m[e][m]) { Y[1][i][m + kx][0] += sbr->s_m[e][m] * phi[0][indexsine]; Y[1][i][m + kx][1] += sbr->s_m[e][m] * (phi[1][indexsine] * phi_sign); } else { float q_filt; if (h_SL) { const int idx1 = i + h_SL; q_filt = 0.0f; for (j = 0; j <= h_SL; j++) q_filt += q_temp[idx1 - j][m] * h_smooth[j]; } else { q_filt = q_temp[i][m]; } Y[1][i][m + kx][0] += q_filt * sbr_noise_table[indexnoise][0]; Y[1][i][m + kx][1] += q_filt * sbr_noise_table[indexnoise][1]; } phi_sign = -phi_sign; } } else { indexnoise = (indexnoise + m_max) & 0x1ff; for (m = 0; m < m_max; m++) { Y[1][i][m + kx][0] += sbr->s_m[e][m] * phi[0][indexsine]; Y[1][i][m + kx][1] += sbr->s_m[e][m] * (phi[1][indexsine] * phi_sign); phi_sign = -phi_sign; } } indexsine = (indexsine + 1) & 3; } } ch_data->f_indexnoise = indexnoise; ch_data->f_indexsine = indexsine; } | 24,480 |
0 | int ff_init_poc(H264Context *h, int pic_field_poc[2], int *pic_poc) { const SPS *sps = h->ps.sps; const int max_frame_num = 1 << sps->log2_max_frame_num; int field_poc[2]; h->frame_num_offset = h->prev_frame_num_offset; if (h->frame_num < h->prev_frame_num) h->frame_num_offset += max_frame_num; if (sps->poc_type == 0) { const int max_poc_lsb = 1 << sps->log2_max_poc_lsb; if (h->poc_lsb < h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb >= max_poc_lsb / 2) h->poc_msb = h->prev_poc_msb + max_poc_lsb; else if (h->poc_lsb > h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb < -max_poc_lsb / 2) h->poc_msb = h->prev_poc_msb - max_poc_lsb; else h->poc_msb = h->prev_poc_msb; field_poc[0] = field_poc[1] = h->poc_msb + h->poc_lsb; if (h->picture_structure == PICT_FRAME) field_poc[1] += h->delta_poc_bottom; } else if (sps->poc_type == 1) { int abs_frame_num, expected_delta_per_poc_cycle, expectedpoc; int i; if (sps->poc_cycle_length != 0) abs_frame_num = h->frame_num_offset + h->frame_num; else abs_frame_num = 0; if (h->nal_ref_idc == 0 && abs_frame_num > 0) abs_frame_num--; expected_delta_per_poc_cycle = 0; for (i = 0; i < sps->poc_cycle_length; i++) // FIXME integrate during sps parse expected_delta_per_poc_cycle += sps->offset_for_ref_frame[i]; if (abs_frame_num > 0) { int poc_cycle_cnt = (abs_frame_num - 1) / sps->poc_cycle_length; int frame_num_in_poc_cycle = (abs_frame_num - 1) % sps->poc_cycle_length; expectedpoc = poc_cycle_cnt * expected_delta_per_poc_cycle; for (i = 0; i <= frame_num_in_poc_cycle; i++) expectedpoc = expectedpoc + sps->offset_for_ref_frame[i]; } else expectedpoc = 0; if (h->nal_ref_idc == 0) expectedpoc = expectedpoc + sps->offset_for_non_ref_pic; field_poc[0] = expectedpoc + h->delta_poc[0]; field_poc[1] = field_poc[0] + sps->offset_for_top_to_bottom_field; if (h->picture_structure == PICT_FRAME) field_poc[1] += h->delta_poc[1]; } else { int poc = 2 * (h->frame_num_offset + h->frame_num); if (!h->nal_ref_idc) poc--; field_poc[0] = poc; field_poc[1] = poc; } if (h->picture_structure != PICT_BOTTOM_FIELD) pic_field_poc[0] = field_poc[0]; if (h->picture_structure != PICT_TOP_FIELD) pic_field_poc[1] = field_poc[1]; *pic_poc = FFMIN(pic_field_poc[0], pic_field_poc[1]); return 0; } | 24,481 |
1 | static void mirror_start_job(BlockDriverState *bs, BlockDriverState *target, int64_t speed, int64_t granularity, int64_t buf_size, BlockdevOnError on_source_error, BlockdevOnError on_target_error, BlockDriverCompletionFunc *cb, void *opaque, Error **errp, const BlockJobDriver *driver, bool is_none_mode, BlockDriverState *base) { MirrorBlockJob *s; if (granularity == 0) { /* Choose the default granularity based on the target file's cluster * size, clamped between 4k and 64k. */ BlockDriverInfo bdi; if (bdrv_get_info(target, &bdi) >= 0 && bdi.cluster_size != 0) { granularity = MAX(4096, bdi.cluster_size); granularity = MIN(65536, granularity); } else { granularity = 65536; } } assert ((granularity & (granularity - 1)) == 0); if ((on_source_error == BLOCKDEV_ON_ERROR_STOP || on_source_error == BLOCKDEV_ON_ERROR_ENOSPC) && !bdrv_iostatus_is_enabled(bs)) { error_set(errp, QERR_INVALID_PARAMETER, "on-source-error"); return; } s = block_job_create(driver, bs, speed, cb, opaque, errp); if (!s) { return; } s->on_source_error = on_source_error; s->on_target_error = on_target_error; s->target = target; s->is_none_mode = is_none_mode; s->base = base; s->granularity = granularity; s->buf_size = MAX(buf_size, granularity); s->dirty_bitmap = bdrv_create_dirty_bitmap(bs, granularity); bdrv_set_enable_write_cache(s->target, true); bdrv_set_on_error(s->target, on_target_error, on_target_error); bdrv_iostatus_enable(s->target); s->common.co = qemu_coroutine_create(mirror_run); trace_mirror_start(bs, s, s->common.co, opaque); qemu_coroutine_enter(s->common.co, s); } | 24,482 |
1 | static int sdp_parse_rtpmap(AVFormatContext *s, AVStream *st, RTSPStream *rtsp_st, int payload_type, const char *p) { AVCodecContext *codec = st->codec; char buf[256]; int i; AVCodec *c; const char *c_name; /* See if we can handle this kind of payload. * The space should normally not be there but some Real streams or * particular servers ("RealServer Version 6.1.3.970", see issue 1658) * have a trailing space. */ get_word_sep(buf, sizeof(buf), "/ ", &p); if (payload_type < RTP_PT_PRIVATE) { /* We are in a standard case * (from http://www.iana.org/assignments/rtp-parameters). */ codec->codec_id = ff_rtp_codec_id(buf, codec->codec_type); } if (codec->codec_id == AV_CODEC_ID_NONE) { RTPDynamicProtocolHandler *handler = ff_rtp_handler_find_by_name(buf, codec->codec_type); init_rtp_handler(handler, rtsp_st, st); /* If no dynamic handler was found, check with the list of standard * allocated types, if such a stream for some reason happens to * use a private payload type. This isn't handled in rtpdec.c, since * the format name from the rtpmap line never is passed into rtpdec. */ if (!rtsp_st->dynamic_handler) codec->codec_id = ff_rtp_codec_id(buf, codec->codec_type); } c = avcodec_find_decoder(codec->codec_id); if (c && c->name) c_name = c->name; else c_name = "(null)"; get_word_sep(buf, sizeof(buf), "/", &p); i = atoi(buf); switch (codec->codec_type) { case AVMEDIA_TYPE_AUDIO: av_log(s, AV_LOG_DEBUG, "audio codec set to: %s\n", c_name); codec->sample_rate = RTSP_DEFAULT_AUDIO_SAMPLERATE; codec->channels = RTSP_DEFAULT_NB_AUDIO_CHANNELS; if (i > 0) { codec->sample_rate = i; avpriv_set_pts_info(st, 32, 1, codec->sample_rate); get_word_sep(buf, sizeof(buf), "/", &p); i = atoi(buf); if (i > 0) codec->channels = i; } av_log(s, AV_LOG_DEBUG, "audio samplerate set to: %i\n", codec->sample_rate); av_log(s, AV_LOG_DEBUG, "audio channels set to: %i\n", codec->channels); break; case AVMEDIA_TYPE_VIDEO: av_log(s, AV_LOG_DEBUG, "video codec set to: %s\n", c_name); if (i > 0) avpriv_set_pts_info(st, 32, 1, i); break; default: break; } if (rtsp_st->dynamic_handler && rtsp_st->dynamic_handler->init) rtsp_st->dynamic_handler->init(s, st->index, rtsp_st->dynamic_protocol_context); return 0; } | 24,487 |
0 | void ff_dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx) { const int high_bit_depth = avctx->bits_per_raw_sample > 8; // Common optimizations whether AltiVec is available or not c->prefetch = prefetch_ppc; if (!high_bit_depth) { switch (check_dcbzl_effect()) { case 32: c->clear_blocks = clear_blocks_dcbz32_ppc; break; case 128: c->clear_blocks = clear_blocks_dcbz128_ppc; break; default: break; } } #if HAVE_ALTIVEC if(CONFIG_H264_DECODER) ff_dsputil_h264_init_ppc(c, avctx); if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) { ff_dsputil_init_altivec(c, avctx); ff_float_init_altivec(c, avctx); ff_int_init_altivec(c, avctx); c->gmc1 = ff_gmc1_altivec; #if CONFIG_ENCODERS if (avctx->bits_per_raw_sample <= 8 && (avctx->dct_algo == FF_DCT_AUTO || avctx->dct_algo == FF_DCT_ALTIVEC)) { c->fdct = ff_fdct_altivec; } #endif //CONFIG_ENCODERS if (avctx->bits_per_raw_sample <= 8) { if ((avctx->idct_algo == FF_IDCT_AUTO) || (avctx->idct_algo == FF_IDCT_ALTIVEC)) { c->idct_put = ff_idct_put_altivec; c->idct_add = ff_idct_add_altivec; c->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM; }else if((CONFIG_VP3_DECODER || CONFIG_VP5_DECODER || CONFIG_VP6_DECODER) && avctx->idct_algo==FF_IDCT_VP3){ c->idct_put = ff_vp3_idct_put_altivec; c->idct_add = ff_vp3_idct_add_altivec; c->idct = ff_vp3_idct_altivec; c->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM; } } } #endif /* HAVE_ALTIVEC */ } | 24,489 |
1 | bool hbitmap_get(const HBitmap *hb, uint64_t item) { /* Compute position and bit in the last layer. */ uint64_t pos = item >> hb->granularity; unsigned long bit = 1UL << (pos & (BITS_PER_LONG - 1)); return (hb->levels[HBITMAP_LEVELS - 1][pos >> BITS_PER_LEVEL] & bit) != 0; } | 24,490 |
1 | static int ffm_is_avail_data(AVFormatContext *s, int size) { FFMContext *ffm = s->priv_data; int64_t pos, avail_size; int len; len = ffm->packet_end - ffm->packet_ptr; if (size <= len) return 1; pos = avio_tell(s->pb); if (!ffm->write_index) { if (pos == ffm->file_size) return AVERROR_EOF; avail_size = ffm->file_size - pos; } else { if (pos == ffm->write_index) { /* exactly at the end of stream */ if (ffm->server_attached) return AVERROR(EAGAIN); else return AVERROR_INVALIDDATA; } else if (pos < ffm->write_index) { avail_size = ffm->write_index - pos; } else { avail_size = (ffm->file_size - pos) + (ffm->write_index - FFM_PACKET_SIZE); } } avail_size = (avail_size / ffm->packet_size) * (ffm->packet_size - FFM_HEADER_SIZE) + len; if (size <= avail_size) return 1; else if (ffm->server_attached) return AVERROR(EAGAIN); else return AVERROR_INVALIDDATA; } | 24,491 |
1 | int fw_cfg_add_bytes(FWCfgState *s, uint16_t key, uint8_t *data, uint32_t len) { int arch = !!(key & FW_CFG_ARCH_LOCAL); key &= FW_CFG_ENTRY_MASK; if (key >= FW_CFG_MAX_ENTRY) return 0; s->entries[arch][key].data = data; s->entries[arch][key].len = len; return 1; } | 24,492 |
Subsets and Splits