project
stringclasses 2
values | commit_id
stringlengths 40
40
| target
int64 0
1
| func
stringlengths 26
142k
| idx
int64 0
27.3k
|
|---|---|---|---|---|
FFmpeg | 77693c541a541661357a0edd5bbaae69c64b2039 | 0 | static int xan_decode_frame_type1(AVCodecContext *avctx)
{
XanContext *s = avctx->priv_data;
uint8_t *ybuf, *src = s->scratch_buffer;
int cur, last;
int i, j;
int ret;
if ((ret = xan_decode_chroma(avctx, bytestream2_get_le32(&s->gb))) != 0)
return ret;
bytestream2_seek(&s->gb, 16, SEEK_SET);
ret = xan_unpack_luma(s, src,
s->buffer_size >> 1);
if (ret) {
av_log(avctx, AV_LOG_ERROR, "Luma decoding failed\n");
return ret;
}
ybuf = s->y_buffer;
for (i = 0; i < avctx->height; i++) {
last = (ybuf[0] + (*src++ << 1)) & 0x3F;
ybuf[0] = last;
for (j = 1; j < avctx->width - 1; j += 2) {
cur = (ybuf[j + 1] + (*src++ << 1)) & 0x3F;
ybuf[j] = (last + cur) >> 1;
ybuf[j+1] = cur;
last = cur;
}
ybuf[j] = last;
ybuf += avctx->width;
}
src = s->y_buffer;
ybuf = s->pic.data[0];
for (j = 0; j < avctx->height; j++) {
for (i = 0; i < avctx->width; i++)
ybuf[i] = (src[i] << 2) | (src[i] >> 3);
src += avctx->width;
ybuf += s->pic.linesize[0];
}
return 0;
}
| 10,577 |
qemu | 7df953bd456da45f761064974820ab5c3fd7b2aa | 0 | static void vtd_context_device_invalidate(IntelIOMMUState *s,
uint16_t source_id,
uint16_t func_mask)
{
uint16_t mask;
VTDAddressSpace **pvtd_as;
VTDAddressSpace *vtd_as;
uint16_t devfn;
uint16_t devfn_it;
switch (func_mask & 3) {
case 0:
mask = 0; /* No bits in the SID field masked */
break;
case 1:
mask = 4; /* Mask bit 2 in the SID field */
break;
case 2:
mask = 6; /* Mask bit 2:1 in the SID field */
break;
case 3:
mask = 7; /* Mask bit 2:0 in the SID field */
break;
}
VTD_DPRINTF(INV, "device-selective invalidation source 0x%"PRIx16
" mask %"PRIu16, source_id, mask);
pvtd_as = s->address_spaces[VTD_SID_TO_BUS(source_id)];
if (pvtd_as) {
devfn = VTD_SID_TO_DEVFN(source_id);
for (devfn_it = 0; devfn_it < VTD_PCI_DEVFN_MAX; ++devfn_it) {
vtd_as = pvtd_as[devfn_it];
if (vtd_as && ((devfn_it & mask) == (devfn & mask))) {
VTD_DPRINTF(INV, "invalidate context-cahce of devfn 0x%"PRIx16,
devfn_it);
vtd_as->context_cache_entry.context_cache_gen = 0;
}
}
}
}
| 10,578 |
qemu | 2914a1de992118286f5280eddf4f4e6060a8e00b | 0 | static int raw_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
BDRVRawState *s = bs->opaque;
int access_flags;
DWORD overlapped;
QemuOpts *opts;
Error *local_err = NULL;
const char *filename;
int ret;
s->type = FTYPE_FILE;
opts = qemu_opts_create(&raw_runtime_opts, NULL, 0, &error_abort);
qemu_opts_absorb_qdict(opts, options, &local_err);
if (local_err) {
error_propagate(errp, local_err);
ret = -EINVAL;
goto fail;
}
filename = qemu_opt_get(opts, "filename");
raw_parse_flags(flags, &access_flags, &overlapped);
if (filename[0] && filename[1] == ':') {
snprintf(s->drive_path, sizeof(s->drive_path), "%c:\\", filename[0]);
} else if (filename[0] == '\\' && filename[1] == '\\') {
s->drive_path[0] = 0;
} else {
/* Relative path. */
char buf[MAX_PATH];
GetCurrentDirectory(MAX_PATH, buf);
snprintf(s->drive_path, sizeof(s->drive_path), "%c:\\", buf[0]);
}
s->hfile = CreateFile(filename, access_flags,
FILE_SHARE_READ, NULL,
OPEN_EXISTING, overlapped, NULL);
if (s->hfile == INVALID_HANDLE_VALUE) {
int err = GetLastError();
if (err == ERROR_ACCESS_DENIED) {
ret = -EACCES;
} else {
ret = -EINVAL;
}
goto fail;
}
if (flags & BDRV_O_NATIVE_AIO) {
s->aio = win32_aio_init();
if (s->aio == NULL) {
CloseHandle(s->hfile);
error_setg(errp, "Could not initialize AIO");
ret = -EINVAL;
goto fail;
}
ret = win32_aio_attach(s->aio, s->hfile);
if (ret < 0) {
win32_aio_cleanup(s->aio);
CloseHandle(s->hfile);
error_setg_errno(errp, -ret, "Could not enable AIO");
goto fail;
}
win32_aio_attach_aio_context(s->aio, bdrv_get_aio_context(bs));
}
raw_probe_alignment(bs);
ret = 0;
fail:
qemu_opts_del(opts);
return ret;
}
| 10,580 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static struct omap_watchdog_timer_s *omap_wd_timer_init(MemoryRegion *memory,
target_phys_addr_t base,
qemu_irq irq, omap_clk clk)
{
struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *)
g_malloc0(sizeof(struct omap_watchdog_timer_s));
s->timer.irq = irq;
s->timer.clk = clk;
s->timer.timer = qemu_new_timer_ns(vm_clock, omap_timer_tick, &s->timer);
omap_wd_timer_reset(s);
omap_timer_clk_setup(&s->timer);
memory_region_init_io(&s->iomem, &omap_wd_timer_ops, s,
"omap-wd-timer", 0x100);
memory_region_add_subregion(memory, base, &s->iomem);
return s;
}
| 10,581 |
qemu | 3d948cdf3760b52238038626a7ffa7d30913060b | 0 | void qmp_block_job_cancel(const char *device,
bool has_force, bool force, Error **errp)
{
BlockJob *job = find_block_job(device);
if (!has_force) {
force = false;
}
if (!job) {
error_set(errp, QERR_BLOCK_JOB_NOT_ACTIVE, device);
return;
}
if (job->paused && !force) {
error_setg(errp, "The block job for device '%s' is currently paused",
device);
return;
}
trace_qmp_block_job_cancel(job);
block_job_cancel(job);
}
| 10,582 |
qemu | 007ac6faed12abdd4113e2460ba4464aacb7f4dd | 0 | static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc,
int fd, int fs, int base, int index)
{
const char *opn = "extended float load/store";
int store = 0;
TCGv t0 = tcg_temp_new();
if (base == 0) {
gen_load_gpr(t0, index);
} else if (index == 0) {
gen_load_gpr(t0, base);
} else {
gen_load_gpr(t0, index);
gen_op_addr_add(ctx, t0, cpu_gpr[base]);
}
/* Don't do NOP if destination is zero: we must perform the actual
memory access. */
save_cpu_state(ctx, 0);
switch (opc) {
case OPC_LWXC1:
check_cop1x(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx);
tcg_gen_trunc_tl_i32(fp0, t0);
gen_store_fpr32(fp0, fd);
tcg_temp_free_i32(fp0);
}
opn = "lwxc1";
break;
case OPC_LDXC1:
check_cop1x(ctx);
check_cp1_registers(ctx, fd);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
gen_store_fpr64(ctx, fp0, fd);
tcg_temp_free_i64(fp0);
}
opn = "ldxc1";
break;
case OPC_LUXC1:
check_cp1_64bitmode(ctx);
tcg_gen_andi_tl(t0, t0, ~0x7);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
gen_store_fpr64(ctx, fp0, fd);
tcg_temp_free_i64(fp0);
}
opn = "luxc1";
break;
case OPC_SWXC1:
check_cop1x(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv t1 = tcg_temp_new();
gen_load_fpr32(fp0, fs);
tcg_gen_extu_i32_tl(t1, fp0);
tcg_gen_qemu_st32(t1, t0, ctx->mem_idx);
tcg_temp_free_i32(fp0);
tcg_temp_free_i32(t1);
}
opn = "swxc1";
store = 1;
break;
case OPC_SDXC1:
check_cop1x(ctx);
check_cp1_registers(ctx, fs);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
tcg_temp_free_i64(fp0);
}
opn = "sdxc1";
store = 1;
break;
case OPC_SUXC1:
check_cp1_64bitmode(ctx);
tcg_gen_andi_tl(t0, t0, ~0x7);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
tcg_temp_free_i64(fp0);
}
opn = "suxc1";
store = 1;
break;
}
tcg_temp_free(t0);
MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
regnames[index], regnames[base]);
}
| 10,584 |
qemu | a2db2a1edd06a50b8a862c654cf993368cf9f1d9 | 0 | static ioreq_t *cpu_get_ioreq(XenIOState *state)
{
int i;
evtchn_port_t port;
port = xc_evtchn_pending(state->xce_handle);
if (port == state->bufioreq_local_port) {
timer_mod(state->buffered_io_timer,
BUFFER_IO_MAX_DELAY + qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
return NULL;
}
if (port != -1) {
for (i = 0; i < max_cpus; i++) {
if (state->ioreq_local_port[i] == port) {
break;
}
}
if (i == max_cpus) {
hw_error("Fatal error while trying to get io event!\n");
}
/* unmask the wanted port again */
xc_evtchn_unmask(state->xce_handle, port);
/* get the io packet from shared memory */
state->send_vcpu = i;
return cpu_get_ioreq_from_shared_memory(state, i);
}
/* read error or read nothing */
return NULL;
}
| 10,585 |
qemu | 4fc9af53d88c0a2a810704a06cb39a7182982e4e | 0 | BlockDriverAIOCB *bdrv_aio_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque)
{
BlockDriver *drv = bs->drv;
BlockDriverAIOCB *ret;
if (!drv)
return NULL;
/* XXX: we assume that nb_sectors == 0 is suppored by the async read */
if (sector_num == 0 && bs->boot_sector_enabled && nb_sectors > 0) {
memcpy(buf, bs->boot_sector_data, 512);
sector_num++;
nb_sectors--;
buf += 512;
}
ret = drv->bdrv_aio_read(bs, sector_num, buf, nb_sectors, cb, opaque);
if (ret) {
/* Update stats even though technically transfer has not happened. */
bs->rd_bytes += (unsigned) nb_sectors * SECTOR_SIZE;
bs->rd_ops ++;
}
return ret;
}
| 10,586 |
qemu | bd269ebc82fbaa5fe7ce5bc7c1770ac8acecd884 | 0 | static void tcp_chr_tls_init(Chardev *chr)
{
SocketChardev *s = SOCKET_CHARDEV(chr);
QIOChannelTLS *tioc;
Error *err = NULL;
gchar *name;
if (s->is_listen) {
tioc = qio_channel_tls_new_server(
s->ioc, s->tls_creds,
NULL, /* XXX Use an ACL */
&err);
} else {
tioc = qio_channel_tls_new_client(
s->ioc, s->tls_creds,
s->addr->u.inet.data->host,
&err);
}
if (tioc == NULL) {
error_free(err);
tcp_chr_disconnect(chr);
return;
}
name = g_strdup_printf("chardev-tls-%s-%s",
s->is_listen ? "server" : "client",
chr->label);
qio_channel_set_name(QIO_CHANNEL(tioc), name);
g_free(name);
object_unref(OBJECT(s->ioc));
s->ioc = QIO_CHANNEL(tioc);
qio_channel_tls_handshake(tioc,
tcp_chr_tls_handshake,
chr,
NULL);
}
| 10,587 |
FFmpeg | 158b39126d59f07069e0da07e0658111967c6179 | 0 | static int aac_sync(uint64_t state, AACAC3ParseContext *hdr_info,
int *need_next_header, int *new_frame_start)
{
GetBitContext bits;
int size, rdb, ch, sr;
union {
uint64_t u64;
uint8_t u8[8];
} tmp;
tmp.u64 = be2me_64(state);
init_get_bits(&bits, tmp.u8+8-AAC_HEADER_SIZE, AAC_HEADER_SIZE * 8);
if(get_bits(&bits, 12) != 0xfff)
return 0;
skip_bits1(&bits); /* id */
skip_bits(&bits, 2); /* layer */
skip_bits1(&bits); /* protection_absent */
skip_bits(&bits, 2); /* profile_objecttype */
sr = get_bits(&bits, 4); /* sample_frequency_index */
if(!ff_mpeg4audio_sample_rates[sr])
return 0;
skip_bits1(&bits); /* private_bit */
ch = get_bits(&bits, 3); /* channel_configuration */
if(!ff_mpeg4audio_channels[ch])
return 0;
skip_bits1(&bits); /* original/copy */
skip_bits1(&bits); /* home */
/* adts_variable_header */
skip_bits1(&bits); /* copyright_identification_bit */
skip_bits1(&bits); /* copyright_identification_start */
size = get_bits(&bits, 13); /* aac_frame_length */
if(size < AAC_HEADER_SIZE)
return 0;
skip_bits(&bits, 11); /* adts_buffer_fullness */
rdb = get_bits(&bits, 2); /* number_of_raw_data_blocks_in_frame */
hdr_info->channels = ff_mpeg4audio_channels[ch];
hdr_info->sample_rate = ff_mpeg4audio_sample_rates[sr];
hdr_info->samples = (rdb + 1) * 1024;
hdr_info->bit_rate = size * 8 * hdr_info->sample_rate / hdr_info->samples;
*need_next_header = 0;
*new_frame_start = 1;
return size;
}
| 10,588 |
qemu | 2d40564aaab3a99fe6ce00fc0fc893c02e9443ec | 1 | static int local_post_create_passthrough(FsContext *fs_ctx, const char *path,
FsCred *credp)
{
char buffer[PATH_MAX];
if (chmod(rpath(fs_ctx, path, buffer), credp->fc_mode & 07777) < 0) {
return -1;
}
if (lchown(rpath(fs_ctx, path, buffer), credp->fc_uid,
credp->fc_gid) < 0) {
/*
* If we fail to change ownership and if we are
* using security model none. Ignore the error
*/
if ((fs_ctx->export_flags & V9FS_SEC_MASK) != V9FS_SM_NONE) {
return -1;
}
}
return 0;
}
| 10,589 |
qemu | 9586fefefe383a9aa25ad99bde9a6b240309ca33 | 1 | void vga_reset(void *opaque)
{
VGAState *s = (VGAState *) opaque;
s->lfb_addr = 0;
s->lfb_end = 0;
s->map_addr = 0;
s->map_end = 0;
s->lfb_vram_mapped = 0;
s->bios_offset = 0;
s->bios_size = 0;
s->sr_index = 0;
memset(s->sr, '\0', sizeof(s->sr));
s->gr_index = 0;
memset(s->gr, '\0', sizeof(s->gr));
s->ar_index = 0;
memset(s->ar, '\0', sizeof(s->ar));
s->ar_flip_flop = 0;
s->cr_index = 0;
memset(s->cr, '\0', sizeof(s->cr));
s->msr = 0;
s->fcr = 0;
s->st00 = 0;
s->st01 = 0;
s->dac_state = 0;
s->dac_sub_index = 0;
s->dac_read_index = 0;
s->dac_write_index = 0;
memset(s->dac_cache, '\0', sizeof(s->dac_cache));
s->dac_8bit = 0;
memset(s->palette, '\0', sizeof(s->palette));
s->bank_offset = 0;
#ifdef CONFIG_BOCHS_VBE
s->vbe_index = 0;
memset(s->vbe_regs, '\0', sizeof(s->vbe_regs));
s->vbe_regs[VBE_DISPI_INDEX_ID] = VBE_DISPI_ID0;
s->vbe_start_addr = 0;
s->vbe_line_offset = 0;
s->vbe_bank_mask = (s->vram_size >> 16) - 1;
#endif
memset(s->font_offsets, '\0', sizeof(s->font_offsets));
s->graphic_mode = -1; /* force full update */
s->shift_control = 0;
s->double_scan = 0;
s->line_offset = 0;
s->line_compare = 0;
s->start_addr = 0;
s->plane_updated = 0;
s->last_cw = 0;
s->last_ch = 0;
s->last_width = 0;
s->last_height = 0;
s->last_scr_width = 0;
s->last_scr_height = 0;
s->cursor_start = 0;
s->cursor_end = 0;
s->cursor_offset = 0;
memset(s->invalidated_y_table, '\0', sizeof(s->invalidated_y_table));
memset(s->last_palette, '\0', sizeof(s->last_palette));
memset(s->last_ch_attr, '\0', sizeof(s->last_ch_attr));
switch (vga_retrace_method) {
case VGA_RETRACE_DUMB:
break;
case VGA_RETRACE_PRECISE:
memset(&s->retrace_info, 0, sizeof (s->retrace_info));
break;
}
}
| 10,591 |
FFmpeg | fed92adbb3fc6cbf735e3df9a2f7d0a2917fcfbd | 1 | void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y,
uint8_t *segment, uint8_t *ref, int layout, int is_vp7)
{
VP56RangeCoder *c = &s->c;
static const char *vp7_feature_name[] = { "q-index",
"lf-delta",
"partial-golden-update",
"blit-pitch" };
if (is_vp7) {
int i;
*segment = 0;
for (i = 0; i < 4; i++) {
if (s->feature_enabled[i]) {
if (vp56_rac_get_prob_branchy(c, s->feature_present_prob[i])) {
int index = vp8_rac_get_tree(c, vp7_feature_index_tree,
s->feature_index_prob[i]);
av_log(s->avctx, AV_LOG_WARNING,
"Feature %s present in macroblock (value 0x%x)\n",
vp7_feature_name[i], s->feature_value[i][index]);
}
}
}
} else if (s->segmentation.update_map) {
int bit = vp56_rac_get_prob(c, s->prob->segmentid[0]);
*segment = vp56_rac_get_prob(c, s->prob->segmentid[1+bit]) + 2*bit;
} else if (s->segmentation.enabled)
*segment = ref ? *ref : *segment;
mb->segment = *segment;
mb->skip = s->mbskip_enabled ? vp56_rac_get_prob(c, s->prob->mbskip) : 0;
if (s->keyframe) {
mb->mode = vp8_rac_get_tree(c, vp8_pred16x16_tree_intra,
vp8_pred16x16_prob_intra);
if (mb->mode == MODE_I4x4) {
decode_intra4x4_modes(s, c, mb, mb_x, 1, layout);
} else {
const uint32_t modes = (is_vp7 ? vp7_pred4x4_mode
: vp8_pred4x4_mode)[mb->mode] * 0x01010101u;
if (s->mb_layout)
AV_WN32A(mb->intra4x4_pred_mode_top, modes);
else
AV_WN32A(s->intra4x4_pred_mode_top + 4 * mb_x, modes);
AV_WN32A(s->intra4x4_pred_mode_left, modes);
}
mb->chroma_pred_mode = vp8_rac_get_tree(c, vp8_pred8x8c_tree,
vp8_pred8x8c_prob_intra);
mb->ref_frame = VP56_FRAME_CURRENT;
} else if (vp56_rac_get_prob_branchy(c, s->prob->intra)) {
// inter MB, 16.2
if (vp56_rac_get_prob_branchy(c, s->prob->last))
mb->ref_frame =
(!is_vp7 && vp56_rac_get_prob(c, s->prob->golden)) ? VP56_FRAME_GOLDEN2 /* altref */
: VP56_FRAME_GOLDEN;
else
mb->ref_frame = VP56_FRAME_PREVIOUS;
s->ref_count[mb->ref_frame - 1]++;
// motion vectors, 16.3
if (is_vp7)
vp7_decode_mvs(s, mb, mb_x, mb_y, layout);
else
vp8_decode_mvs(s, mb, mb_x, mb_y, layout);
} else {
// intra MB, 16.1
mb->mode = vp8_rac_get_tree(c, vp8_pred16x16_tree_inter, s->prob->pred16x16);
if (mb->mode == MODE_I4x4)
decode_intra4x4_modes(s, c, mb, mb_x, 0, layout);
mb->chroma_pred_mode = vp8_rac_get_tree(c, vp8_pred8x8c_tree,
s->prob->pred8x8c);
mb->ref_frame = VP56_FRAME_CURRENT;
mb->partitioning = VP8_SPLITMVMODE_NONE;
AV_ZERO32(&mb->bmv[0]);
}
}
| 10,593 |
FFmpeg | 1dc19729e92a96620000e09eba8e58cb458c9486 | 1 | static void asfrtp_close_context(PayloadContext *asf)
{
ffio_free_dyn_buf(&asf->pktbuf);
av_freep(&asf->buf);
av_free(asf);
}
| 10,595 |
FFmpeg | f16a6f667c993a158643b52815ec42961508b0a9 | 1 | static av_cold int dilate_init(AVFilterContext *ctx, const char *args)
{
OCVContext *ocv = ctx->priv;
DilateContext *dilate = ocv->priv;
char default_kernel_str[] = "3x3+0x0/rect";
char *kernel_str;
const char *buf = args;
int ret;
dilate->nb_iterations = 1;
if (args)
kernel_str = av_get_token(&buf, "|");
if ((ret = parse_iplconvkernel(&dilate->kernel,
*kernel_str ? kernel_str : default_kernel_str,
ctx)) < 0)
return ret;
av_free(kernel_str);
sscanf(buf, "|%d", &dilate->nb_iterations);
av_log(ctx, AV_LOG_VERBOSE, "iterations_nb:%d\n", dilate->nb_iterations);
if (dilate->nb_iterations <= 0) {
av_log(ctx, AV_LOG_ERROR, "Invalid non-positive value '%d' for nb_iterations\n",
dilate->nb_iterations);
return AVERROR(EINVAL);
}
return 0;
}
| 10,597 |
qemu | 3ff2f67a7c24183fcbcfe1332e5223ac6f96438c | 1 | BlockDriverState *bdrv_new(void)
{
BlockDriverState *bs;
int i;
bs = g_new0(BlockDriverState, 1);
QLIST_INIT(&bs->dirty_bitmaps);
for (i = 0; i < BLOCK_OP_TYPE_MAX; i++) {
QLIST_INIT(&bs->op_blockers[i]);
}
notifier_with_return_list_init(&bs->before_write_notifiers);
bs->refcnt = 1;
bs->aio_context = qemu_get_aio_context();
QTAILQ_INSERT_TAIL(&all_bdrv_states, bs, bs_list);
return bs;
} | 10,598 |
FFmpeg | 2da0d70d5eebe42f9fcd27ee554419ebe2a5da06 | 1 | static inline void RENAME(bgr32ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
{
int i;
assert(src1 == src2);
for(i=0; i<width; i++)
{
const int a= ((uint32_t*)src1)[2*i+0];
const int e= ((uint32_t*)src1)[2*i+1];
const int l= (a&0xFF00FF) + (e&0xFF00FF);
const int h= (a&0x00FF00) + (e&0x00FF00);
const int b= l&0x3FF;
const int g= h>>8;
const int r= l>>16;
dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1)) + 128;
dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
}
}
| 10,600 |
qemu | 60fe637bf0e4d7989e21e50f52526444765c63b4 | 1 | static int qemu_rdma_init_ram_blocks(RDMAContext *rdma)
{
RDMALocalBlocks *local = &rdma->local_ram_blocks;
assert(rdma->blockmap == NULL);
rdma->blockmap = g_hash_table_new(g_direct_hash, g_direct_equal);
memset(local, 0, sizeof *local);
qemu_ram_foreach_block(qemu_rdma_init_one_block, rdma);
DPRINTF("Allocated %d local ram block structures\n", local->nb_blocks);
rdma->block = (RDMARemoteBlock *) g_malloc0(sizeof(RDMARemoteBlock) *
rdma->local_ram_blocks.nb_blocks);
local->init = true;
return 0;
}
| 10,601 |
qemu | c3e10c7b4377c1cbc0a4fbc12312c2cf41c0cda7 | 1 | static always_inline void gen_op_subfeo (void)
{
gen_op_move_T2_T0();
gen_op_subfe();
gen_op_check_subfo();
}
| 10,602 |
qemu | d5208c45be38ab858db6ec5a5097aa1c1a8ebbc9 | 1 | void commit_start(BlockDriverState *bs, BlockDriverState *base,
BlockDriverState *top, int64_t speed,
BlockdevOnError on_error, BlockDriverCompletionFunc *cb,
void *opaque, Error **errp)
{
CommitBlockJob *s;
BlockReopenQueue *reopen_queue = NULL;
int orig_overlay_flags;
int orig_base_flags;
BlockDriverState *overlay_bs;
Error *local_err = NULL;
if ((on_error == BLOCKDEV_ON_ERROR_STOP ||
on_error == BLOCKDEV_ON_ERROR_ENOSPC) &&
!bdrv_iostatus_is_enabled(bs)) {
error_set(errp, QERR_INVALID_PARAMETER_COMBINATION);
return;
}
/* Once we support top == active layer, remove this check */
if (top == bs) {
error_setg(errp,
"Top image as the active layer is currently unsupported");
return;
}
if (top == base) {
error_setg(errp, "Invalid files for merge: top and base are the same");
return;
}
/* top and base may be valid, but let's make sure that base is reachable
* from top */
if (bdrv_find_backing_image(top, base->filename) != base) {
error_setg(errp,
"Base (%s) is not reachable from top (%s)",
base->filename, top->filename);
return;
}
overlay_bs = bdrv_find_overlay(bs, top);
if (overlay_bs == NULL) {
error_setg(errp, "Could not find overlay image for %s:", top->filename);
return;
}
orig_base_flags = bdrv_get_flags(base);
orig_overlay_flags = bdrv_get_flags(overlay_bs);
/* convert base & overlay_bs to r/w, if necessary */
if (!(orig_base_flags & BDRV_O_RDWR)) {
reopen_queue = bdrv_reopen_queue(reopen_queue, base,
orig_base_flags | BDRV_O_RDWR);
}
if (!(orig_overlay_flags & BDRV_O_RDWR)) {
reopen_queue = bdrv_reopen_queue(reopen_queue, overlay_bs,
orig_overlay_flags | BDRV_O_RDWR);
}
if (reopen_queue) {
bdrv_reopen_multiple(reopen_queue, &local_err);
if (local_err != NULL) {
error_propagate(errp, local_err);
return;
}
}
s = block_job_create(&commit_job_type, bs, speed, cb, opaque, errp);
if (!s) {
return;
}
s->base = base;
s->top = top;
s->active = bs;
s->base_flags = orig_base_flags;
s->orig_overlay_flags = orig_overlay_flags;
s->on_error = on_error;
s->common.co = qemu_coroutine_create(commit_run);
trace_commit_start(bs, base, top, s, s->common.co, opaque);
qemu_coroutine_enter(s->common.co, s);
}
| 10,603 |
qemu | 92b540dac9fc3a572c7342edd0b073000f5a6abf | 1 | static void check_guest_output(const testdef_t *test, int fd)
{
bool output_ok = false;
int i, nbr, pos = 0;
char ch;
/* Poll serial output... Wait at most 60 seconds */
for (i = 0; i < 6000; ++i) {
while ((nbr = read(fd, &ch, 1)) == 1) {
if (ch == test->expect[pos]) {
pos += 1;
if (test->expect[pos] == '\0') {
/* We've reached the end of the expected string! */
output_ok = true;
goto done;
}
} else {
pos = 0;
}
}
g_assert(nbr >= 0);
g_usleep(10000);
}
done:
g_assert(output_ok);
}
| 10,604 |
FFmpeg | 266649a52fe258c09bbe5d2e222431c6a864af3f | 1 | static void do_subtitle_out(AVFormatContext *s,
AVOutputStream *ost,
AVInputStream *ist,
AVSubtitle *sub,
int64_t pts)
{
static uint8_t *subtitle_out = NULL;
int subtitle_out_max_size = 65536;
int subtitle_out_size, nb, i;
AVCodecContext *enc;
AVPacket pkt;
if (pts == AV_NOPTS_VALUE) {
fprintf(stderr, "Subtitle packets must have a pts\n");
if (exit_on_error)
return;
enc = ost->st->codec;
if (!subtitle_out) {
subtitle_out = av_malloc(subtitle_out_max_size);
/* Note: DVB subtitle need one packet to draw them and one other
packet to clear them */
/* XXX: signal it in the codec context ? */
if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
nb = 2;
else
nb = 1;
for(i = 0; i < nb; i++) {
sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
subtitle_out_max_size, sub);
av_init_packet(&pkt);
pkt.stream_index = ost->index;
pkt.data = subtitle_out;
pkt.size = subtitle_out_size;
pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
/* XXX: the pts correction is handled here. Maybe handling
it in the codec would be better */
if (i == 0)
pkt.pts += 90 * sub->start_display_time;
else
pkt.pts += 90 * sub->end_display_time;
write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
| 10,605 |
qemu | b60fae32ff33cbaab76d14cc5f55b979cf58516d | 1 | static int handle_sw_breakpoint(S390CPU *cpu, struct kvm_run *run)
{
CPUS390XState *env = &cpu->env;
unsigned long pc;
cpu_synchronize_state(CPU(cpu));
pc = env->psw.addr - 4;
if (kvm_find_sw_breakpoint(CPU(cpu), pc)) {
env->psw.addr = pc;
return EXCP_DEBUG;
}
return -ENOENT;
}
| 10,607 |
qemu | 6b37a23df98faa26391a93373930bfb15b943e00 | 1 | static void vhost_dev_sync_region(struct vhost_dev *dev,
MemoryRegionSection *section,
uint64_t mfirst, uint64_t mlast,
uint64_t rfirst, uint64_t rlast)
{
uint64_t start = MAX(mfirst, rfirst);
uint64_t end = MIN(mlast, rlast);
vhost_log_chunk_t *from = dev->log + start / VHOST_LOG_CHUNK;
vhost_log_chunk_t *to = dev->log + end / VHOST_LOG_CHUNK + 1;
uint64_t addr = (start / VHOST_LOG_CHUNK) * VHOST_LOG_CHUNK;
if (end < start) {
return;
}
assert(end / VHOST_LOG_CHUNK < dev->log_size);
assert(start / VHOST_LOG_CHUNK < dev->log_size);
for (;from < to; ++from) {
vhost_log_chunk_t log;
int bit;
/* We first check with non-atomic: much cheaper,
* and we expect non-dirty to be the common case. */
if (!*from) {
addr += VHOST_LOG_CHUNK;
continue;
}
/* Data must be read atomically. We don't really
* need the barrier semantics of __sync
* builtins, but it's easier to use them than
* roll our own. */
log = __sync_fetch_and_and(from, 0);
while ((bit = sizeof(log) > sizeof(int) ?
ffsll(log) : ffs(log))) {
ram_addr_t ram_addr;
bit -= 1;
ram_addr = section->offset_within_region + bit * VHOST_LOG_PAGE;
memory_region_set_dirty(section->mr, ram_addr, VHOST_LOG_PAGE);
log &= ~(0x1ull << bit);
}
addr += VHOST_LOG_CHUNK;
}
}
| 10,610 |
qemu | 6bdcc018a6ed760b9dfe43539124e420aed83092 | 1 | int nbd_client_co_pdiscard(BlockDriverState *bs, int64_t offset, int count)
{
NBDClientSession *client = nbd_get_client_session(bs);
NBDRequest request = {
.type = NBD_CMD_TRIM,
.from = offset,
.len = count,
};
NBDReply reply;
ssize_t ret;
if (!(client->nbdflags & NBD_FLAG_SEND_TRIM)) {
return 0;
}
nbd_coroutine_start(client, &request);
ret = nbd_co_send_request(bs, &request, NULL);
if (ret < 0) {
reply.error = -ret;
} else {
nbd_co_receive_reply(client, &request, &reply, NULL);
}
nbd_coroutine_end(bs, &request);
return -reply.error;
}
| 10,612 |
qemu | 6882c8fa78dcc4882640d3e11232d995fda7d5c4 | 1 | int qcow2_check_refcounts(BlockDriverState *bs)
{
BDRVQcowState *s = bs->opaque;
int64_t size;
int nb_clusters, refcount1, refcount2, i;
QCowSnapshot *sn;
uint16_t *refcount_table;
int ret, errors = 0;
size = bdrv_getlength(bs->file);
nb_clusters = size_to_clusters(s, size);
refcount_table = qemu_mallocz(nb_clusters * sizeof(uint16_t));
/* header */
errors += inc_refcounts(bs, refcount_table, nb_clusters,
0, s->cluster_size);
/* current L1 table */
ret = check_refcounts_l1(bs, refcount_table, nb_clusters,
s->l1_table_offset, s->l1_size, 1);
if (ret < 0) {
return ret;
}
errors += ret;
/* snapshots */
for(i = 0; i < s->nb_snapshots; i++) {
sn = s->snapshots + i;
check_refcounts_l1(bs, refcount_table, nb_clusters,
sn->l1_table_offset, sn->l1_size, 0);
}
errors += inc_refcounts(bs, refcount_table, nb_clusters,
s->snapshots_offset, s->snapshots_size);
/* refcount data */
errors += inc_refcounts(bs, refcount_table, nb_clusters,
s->refcount_table_offset,
s->refcount_table_size * sizeof(uint64_t));
for(i = 0; i < s->refcount_table_size; i++) {
int64_t offset;
offset = s->refcount_table[i];
/* Refcount blocks are cluster aligned */
if (offset & (s->cluster_size - 1)) {
fprintf(stderr, "ERROR refcount block %d is not "
"cluster aligned; refcount table entry corrupted\n", i);
errors++;
}
if (offset != 0) {
errors += inc_refcounts(bs, refcount_table, nb_clusters,
offset, s->cluster_size);
if (refcount_table[offset / s->cluster_size] != 1) {
fprintf(stderr, "ERROR refcount block %d refcount=%d\n",
i, refcount_table[offset / s->cluster_size]);
}
}
}
/* compare ref counts */
for(i = 0; i < nb_clusters; i++) {
refcount1 = get_refcount(bs, i);
if (refcount1 < 0) {
fprintf(stderr, "Can't get refcount for cluster %d: %s\n",
i, strerror(-refcount1));
}
refcount2 = refcount_table[i];
if (refcount1 != refcount2) {
fprintf(stderr, "ERROR cluster %d refcount=%d reference=%d\n",
i, refcount1, refcount2);
errors++;
}
}
qemu_free(refcount_table);
return errors;
}
| 10,613 |
FFmpeg | c46400ddecab3a47e8f1aec9a405bbe2a321b06a | 1 | static int caf_write_trailer(AVFormatContext *s)
{
AVIOContext *pb = s->pb;
AVCodecContext *enc = s->streams[0]->codec;
if (pb->seekable) {
CAFContext *caf = s->priv_data;
int64_t file_size = avio_tell(pb);
avio_seek(pb, caf->data, SEEK_SET);
avio_wb64(pb, file_size - caf->data - 8);
avio_seek(pb, file_size, SEEK_SET);
if (!enc->block_align) {
ffio_wfourcc(pb, "pakt");
avio_wb64(pb, caf->size_entries_used + 24);
avio_wb64(pb, caf->packets); ///< mNumberPackets
avio_wb64(pb, caf->packets * samples_per_packet(enc->codec_id, enc->channels)); ///< mNumberValidFrames
avio_wb32(pb, 0); ///< mPrimingFrames
avio_wb32(pb, 0); ///< mRemainderFrames
avio_write(pb, caf->pkt_sizes, caf->size_entries_used);
av_freep(&caf->pkt_sizes);
caf->size_buffer_size = 0;
}
avio_flush(pb);
}
return 0;
}
| 10,614 |
qemu | 12de9a396acbc95e25c5d60ed097cc55777eaaed | 1 | static void init_proc_970GX (CPUPPCState *env)
{
gen_spr_ne_601(env);
gen_spr_7xx(env);
/* Time base */
gen_tbl(env);
/* Hardware implementation registers */
/* XXX : not implemented */
spr_register(env, SPR_HID0, "HID0",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_clear,
0x60000000);
/* XXX : not implemented */
spr_register(env, SPR_HID1, "HID1",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_750_HID2, "HID2",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_970_HID5, "HID5",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
#if defined(CONFIG_USER_ONLY)
0x00000080
#else
0x00000000
#endif
);
/* Memory management */
/* XXX: not correct */
gen_low_BATs(env);
#if 0 // TODO
env->slb_nr = 32;
#endif
init_excp_970(env);
env->dcache_line_size = 128;
env->icache_line_size = 128;
/* Allocate hardware IRQ controller */
ppc970_irq_init(env);
}
| 10,615 |
FFmpeg | 16a0d75c769a7df6f457b2200dbc9a7cc73798c6 | 1 | static int find_marker(const uint8_t **pbuf_ptr, const uint8_t *buf_end)
{
const uint8_t *buf_ptr;
unsigned int v, v2;
int val;
int skipped = 0;
buf_ptr = *pbuf_ptr;
while (buf_ptr < buf_end) {
v = *buf_ptr++;
v2 = *buf_ptr;
if ((v == 0xff) && (v2 >= 0xc0) && (v2 <= 0xfe) && buf_ptr < buf_end) {
val = *buf_ptr++;
goto found;
}
skipped++;
}
val = -1;
found:
av_dlog(NULL, "find_marker skipped %d bytes\n", skipped);
*pbuf_ptr = buf_ptr;
return val;
}
| 10,616 |
FFmpeg | 4a71da0f3ab7f5542decd11c81994f849d5b2c78 | 1 | static int cavs_decode_frame(AVCodecContext * avctx,void *data, int *data_size,
AVPacket *avpkt) {
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
AVSContext *h = avctx->priv_data;
MpegEncContext *s = &h->s;
int input_size;
const uint8_t *buf_end;
const uint8_t *buf_ptr;
AVFrame *picture = data;
uint32_t stc = -1;
s->avctx = avctx;
if (buf_size == 0) {
if (!s->low_delay && h->DPB[0].f.data[0]) {
*data_size = sizeof(AVPicture);
*picture = *(AVFrame *) &h->DPB[0];
}
return 0;
}
buf_ptr = buf;
buf_end = buf + buf_size;
for(;;) {
buf_ptr = ff_find_start_code(buf_ptr,buf_end, &stc);
if(stc & 0xFFFFFE00)
return FFMAX(0, buf_ptr - buf - s->parse_context.last_index);
input_size = (buf_end - buf_ptr)*8;
switch(stc) {
case CAVS_START_CODE:
init_get_bits(&s->gb, buf_ptr, input_size);
decode_seq_header(h);
break;
case PIC_I_START_CODE:
if(!h->got_keyframe) {
if(h->DPB[0].f.data[0])
avctx->release_buffer(avctx, (AVFrame *)&h->DPB[0]);
if(h->DPB[1].f.data[0])
avctx->release_buffer(avctx, (AVFrame *)&h->DPB[1]);
h->got_keyframe = 1;
}
case PIC_PB_START_CODE:
*data_size = 0;
if(!h->got_keyframe)
break;
init_get_bits(&s->gb, buf_ptr, input_size);
h->stc = stc;
if(decode_pic(h))
break;
*data_size = sizeof(AVPicture);
if(h->pic_type != AV_PICTURE_TYPE_B) {
if(h->DPB[1].f.data[0]) {
*picture = *(AVFrame *) &h->DPB[1];
} else {
*data_size = 0;
}
} else
*picture = *(AVFrame *) &h->picture;
break;
case EXT_START_CODE:
//mpeg_decode_extension(avctx,buf_ptr, input_size);
break;
case USER_START_CODE:
//mpeg_decode_user_data(avctx,buf_ptr, input_size);
break;
default:
if (stc <= SLICE_MAX_START_CODE) {
init_get_bits(&s->gb, buf_ptr, input_size);
decode_slice_header(h, &s->gb);
}
break;
}
}
}
| 10,617 |
qemu | 05fcfada5e45b900c32ca6bccf0ce52cb5422509 | 1 | static int get_pci_config_device(QEMUFile *f, void *pv, size_t size)
{
PCIDevice *s = container_of(pv, PCIDevice, config);
uint8_t config[size];
int i;
qemu_get_buffer(f, config, size);
for (i = 0; i < size; ++i)
if ((config[i] ^ s->config[i]) & s->cmask[i] & ~s->wmask[i])
return -EINVAL;
memcpy(s->config, config, size);
pci_update_mappings(s);
return 0;
}
| 10,618 |
FFmpeg | 6a744d261930f8101132bc6d207b6eac41d9cf18 | 0 | static void update_md5_sum(FlacEncodeContext *s, const int16_t *samples)
{
#if HAVE_BIGENDIAN
int i;
for (i = 0; i < s->frame.blocksize * s->channels; i++) {
int16_t smp = av_le2ne16(samples[i]);
av_md5_update(s->md5ctx, (uint8_t *)&smp, 2);
}
#else
av_md5_update(s->md5ctx, (const uint8_t *)samples, s->frame.blocksize*s->channels*2);
#endif
}
| 10,619 |
FFmpeg | b91e0e59874d28f35a28acb4f886ab1e7d80cacb | 0 | static int cuvid_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
{
CuvidContext *ctx = avctx->priv_data;
AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)ctx->hwdevice->data;
AVCUDADeviceContext *device_hwctx = device_ctx->hwctx;
CUcontext dummy, cuda_ctx = device_hwctx->cuda_ctx;
AVFrame *frame = data;
CUVIDSOURCEDATAPACKET cupkt;
AVPacket filter_packet = { 0 };
AVPacket filtered_packet = { 0 };
CUdeviceptr mapped_frame = 0;
int ret = 0, eret = 0;
if (ctx->bsf && avpkt->size) {
if ((ret = av_packet_ref(&filter_packet, avpkt)) < 0) {
av_log(avctx, AV_LOG_ERROR, "av_packet_ref failed\n");
return ret;
}
if ((ret = av_bsf_send_packet(ctx->bsf, &filter_packet)) < 0) {
av_log(avctx, AV_LOG_ERROR, "av_bsf_send_packet failed\n");
av_packet_unref(&filter_packet);
return ret;
}
if ((ret = av_bsf_receive_packet(ctx->bsf, &filtered_packet)) < 0) {
av_log(avctx, AV_LOG_ERROR, "av_bsf_receive_packet failed\n");
return ret;
}
avpkt = &filtered_packet;
}
ret = CHECK_CU(cuCtxPushCurrent(cuda_ctx));
if (ret < 0) {
av_packet_unref(&filtered_packet);
return ret;
}
memset(&cupkt, 0, sizeof(cupkt));
if (avpkt->size) {
cupkt.payload_size = avpkt->size;
cupkt.payload = avpkt->data;
if (avpkt->pts != AV_NOPTS_VALUE) {
cupkt.flags = CUVID_PKT_TIMESTAMP;
cupkt.timestamp = av_rescale_q(avpkt->pts, avctx->pkt_timebase, (AVRational){1, 10000000});
}
} else {
cupkt.flags = CUVID_PKT_ENDOFSTREAM;
}
ret = CHECK_CU(cuvidParseVideoData(ctx->cuparser, &cupkt));
av_packet_unref(&filtered_packet);
if (ret < 0) {
if (ctx->internal_error)
ret = ctx->internal_error;
goto error;
}
if (av_fifo_size(ctx->frame_queue)) {
CUVIDPARSERDISPINFO dispinfo;
CUVIDPROCPARAMS params;
unsigned int pitch = 0;
int offset = 0;
int i;
av_fifo_generic_read(ctx->frame_queue, &dispinfo, sizeof(CUVIDPARSERDISPINFO), NULL);
memset(¶ms, 0, sizeof(params));
params.progressive_frame = dispinfo.progressive_frame;
params.second_field = 0;
params.top_field_first = dispinfo.top_field_first;
ret = CHECK_CU(cuvidMapVideoFrame(ctx->cudecoder, dispinfo.picture_index, &mapped_frame, &pitch, ¶ms));
if (ret < 0)
goto error;
if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
ret = av_hwframe_get_buffer(ctx->hwframe, frame, 0);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "av_hwframe_get_buffer failed\n");
goto error;
}
ret = ff_decode_frame_props(avctx, frame);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "ff_decode_frame_props failed\n");
goto error;
}
for (i = 0; i < 2; i++) {
CUDA_MEMCPY2D cpy = {
.srcMemoryType = CU_MEMORYTYPE_DEVICE,
.dstMemoryType = CU_MEMORYTYPE_DEVICE,
.srcDevice = mapped_frame,
.dstDevice = (CUdeviceptr)frame->data[i],
.srcPitch = pitch,
.dstPitch = frame->linesize[i],
.srcY = offset,
.WidthInBytes = FFMIN(pitch, frame->linesize[i]),
.Height = avctx->coded_height >> (i ? 1 : 0),
};
ret = CHECK_CU(cuMemcpy2D(&cpy));
if (ret < 0)
goto error;
offset += avctx->coded_height;
}
} else if (avctx->pix_fmt == AV_PIX_FMT_NV12) {
AVFrame *tmp_frame = av_frame_alloc();
if (!tmp_frame) {
av_log(avctx, AV_LOG_ERROR, "av_frame_alloc failed\n");
ret = AVERROR(ENOMEM);
goto error;
}
tmp_frame->format = AV_PIX_FMT_CUDA;
tmp_frame->hw_frames_ctx = av_buffer_ref(ctx->hwframe);
tmp_frame->data[0] = (uint8_t*)mapped_frame;
tmp_frame->linesize[0] = pitch;
tmp_frame->data[1] = (uint8_t*)(mapped_frame + avctx->coded_height * pitch);
tmp_frame->linesize[1] = pitch;
tmp_frame->width = avctx->width;
tmp_frame->height = avctx->height;
ret = ff_get_buffer(avctx, frame, 0);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "ff_get_buffer failed\n");
av_frame_free(&tmp_frame);
goto error;
}
ret = av_hwframe_transfer_data(frame, tmp_frame, 0);
if (ret) {
av_log(avctx, AV_LOG_ERROR, "av_hwframe_transfer_data failed\n");
av_frame_free(&tmp_frame);
goto error;
}
av_frame_free(&tmp_frame);
} else {
ret = AVERROR_BUG;
goto error;
}
frame->width = avctx->width;
frame->height = avctx->height;
frame->pts = av_rescale_q(dispinfo.timestamp, (AVRational){1, 10000000}, avctx->pkt_timebase);
/* CUVIDs opaque reordering breaks the internal pkt logic.
* So set pkt_pts and clear all the other pkt_ fields.
*/
frame->pkt_pts = frame->pts;
av_frame_set_pkt_pos(frame, -1);
av_frame_set_pkt_duration(frame, 0);
av_frame_set_pkt_size(frame, -1);
frame->interlaced_frame = !dispinfo.progressive_frame;
if (!dispinfo.progressive_frame)
frame->top_field_first = dispinfo.top_field_first;
*got_frame = 1;
} else {
*got_frame = 0;
}
error:
if (mapped_frame)
eret = CHECK_CU(cuvidUnmapVideoFrame(ctx->cudecoder, mapped_frame));
eret = CHECK_CU(cuCtxPopCurrent(&dummy));
if (eret < 0)
return eret;
else
return ret;
}
| 10,621 |
FFmpeg | d6737539e77e78fca9a04914d51996cfd1ccc55c | 0 | static void intra_predict_mad_cow_dc_0lt_8x8_msa(uint8_t *src, int32_t stride)
{
uint8_t lp_cnt;
uint32_t src0, src1, src2 = 0, src3;
uint32_t out0, out1, out2, out3;
v16u8 src_top;
v8u16 add;
v4u32 sum;
src_top = LD_UB(src - stride);
add = __msa_hadd_u_h(src_top, src_top);
sum = __msa_hadd_u_w(add, add);
src0 = __msa_copy_u_w((v4i32) sum, 0);
src1 = __msa_copy_u_w((v4i32) sum, 1);
for (lp_cnt = 0; lp_cnt < 4; lp_cnt++) {
src2 += src[(4 + lp_cnt) * stride - 1];
}
src0 = (src0 + 2) >> 2;
src3 = (src1 + src2 + 4) >> 3;
src1 = (src1 + 2) >> 2;
src2 = (src2 + 2) >> 2;
out0 = src0 * 0x01010101;
out1 = src1 * 0x01010101;
out2 = src2 * 0x01010101;
out3 = src3 * 0x01010101;
for (lp_cnt = 4; lp_cnt--;) {
SW(out0, src);
SW(out1, src + 4);
SW(out2, src + stride * 4);
SW(out3, src + stride * 4 + 4);
src += stride;
}
}
| 10,623 |
FFmpeg | 05340be97bc395ca0b544c6d856469894ecbf5eb | 0 | static int img_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
{
VideoDemuxData *s1 = s->priv_data;
if (timestamp < 0 || timestamp > s1->img_last - s1->img_first)
return -1;
s1->img_number = timestamp + s1->img_first;
return 0;
}
| 10,624 |
FFmpeg | 5d9e4eaa6d991718b24c7ce24318ee91419f593a | 0 | static int read_filter_params(MLPDecodeContext *m, GetBitContext *gbp,
unsigned int channel, unsigned int filter)
{
FilterParams *fp = &m->channel_params[channel].filter_params[filter];
const int max_order = filter ? MAX_IIR_ORDER : MAX_FIR_ORDER;
const char fchar = filter ? 'I' : 'F';
int i, order;
// Filter is 0 for FIR, 1 for IIR.
assert(filter < 2);
m->filter_changed[channel][filter]++;
order = get_bits(gbp, 4);
if (order > max_order) {
av_log(m->avctx, AV_LOG_ERROR,
"%cIR filter order %d is greater than maximum %d.\n",
fchar, order, max_order);
return -1;
}
fp->order = order;
if (order > 0) {
int coeff_bits, coeff_shift;
fp->shift = get_bits(gbp, 4);
coeff_bits = get_bits(gbp, 5);
coeff_shift = get_bits(gbp, 3);
if (coeff_bits < 1 || coeff_bits > 16) {
av_log(m->avctx, AV_LOG_ERROR,
"%cIR filter coeff_bits must be between 1 and 16.\n",
fchar);
return -1;
}
if (coeff_bits + coeff_shift > 16) {
av_log(m->avctx, AV_LOG_ERROR,
"Sum of coeff_bits and coeff_shift for %cIR filter must be 16 or less.\n",
fchar);
return -1;
}
for (i = 0; i < order; i++)
fp->coeff[i] = get_sbits(gbp, coeff_bits) << coeff_shift;
if (get_bits1(gbp)) {
int state_bits, state_shift;
if (filter == FIR) {
av_log(m->avctx, AV_LOG_ERROR,
"FIR filter has state data specified.\n");
return -1;
}
state_bits = get_bits(gbp, 4);
state_shift = get_bits(gbp, 4);
/* TODO: Check validity of state data. */
for (i = 0; i < order; i++)
fp->state[i] = get_sbits(gbp, state_bits) << state_shift;
}
}
return 0;
}
| 10,625 |
FFmpeg | ac8c72f8f1f758ae7606db42eac83d04418aec48 | 0 | static int mov_read_sv3d(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
AVStream *st;
MOVStreamContext *sc;
int size;
int32_t yaw, pitch, roll;
size_t l = 0, t = 0, r = 0, b = 0;
size_t padding = 0;
uint32_t tag;
enum AVSphericalProjection projection;
if (c->fc->nb_streams < 1)
return 0;
st = c->fc->streams[c->fc->nb_streams - 1];
sc = st->priv_data;
if (atom.size < 8) {
av_log(c->fc, AV_LOG_ERROR, "Empty spherical video box\n");
return AVERROR_INVALIDDATA;
}
size = avio_rb32(pb);
if (size <= 12 || size > atom.size)
return AVERROR_INVALIDDATA;
tag = avio_rl32(pb);
if (tag != MKTAG('s','v','h','d')) {
av_log(c->fc, AV_LOG_ERROR, "Missing spherical video header\n");
return 0;
}
avio_skip(pb, 4); /* version + flags */
avio_skip(pb, size - 12); /* metadata_source */
size = avio_rb32(pb);
if (size > atom.size)
return AVERROR_INVALIDDATA;
tag = avio_rl32(pb);
if (tag != MKTAG('p','r','o','j')) {
av_log(c->fc, AV_LOG_ERROR, "Missing projection box\n");
return 0;
}
size = avio_rb32(pb);
if (size > atom.size)
return AVERROR_INVALIDDATA;
tag = avio_rl32(pb);
if (tag != MKTAG('p','r','h','d')) {
av_log(c->fc, AV_LOG_ERROR, "Missing projection header box\n");
return 0;
}
avio_skip(pb, 4); /* version + flags */
/* 16.16 fixed point */
yaw = avio_rb32(pb);
pitch = avio_rb32(pb);
roll = avio_rb32(pb);
size = avio_rb32(pb);
if (size > atom.size)
return AVERROR_INVALIDDATA;
tag = avio_rl32(pb);
avio_skip(pb, 4); /* version + flags */
switch (tag) {
case MKTAG('c','b','m','p'):
projection = AV_SPHERICAL_CUBEMAP;
padding = avio_rb32(pb);
break;
case MKTAG('e','q','u','i'):
t = avio_rb32(pb);
b = avio_rb32(pb);
l = avio_rb32(pb);
r = avio_rb32(pb);
if (b >= UINT_MAX - t || r >= UINT_MAX - l) {
av_log(c->fc, AV_LOG_ERROR,
"Invalid bounding rectangle coordinates %"SIZE_SPECIFIER","
"%"SIZE_SPECIFIER",%"SIZE_SPECIFIER",%"SIZE_SPECIFIER"\n",
l, t, r, b);
return AVERROR_INVALIDDATA;
}
if (l || t || r || b)
projection = AV_SPHERICAL_EQUIRECTANGULAR_TILE;
else
projection = AV_SPHERICAL_EQUIRECTANGULAR;
break;
default:
av_log(c->fc, AV_LOG_ERROR, "Unknown projection type\n");
return 0;
}
sc->spherical = av_spherical_alloc(&sc->spherical_size);
if (!sc->spherical)
return AVERROR(ENOMEM);
sc->spherical->projection = projection;
sc->spherical->yaw = yaw;
sc->spherical->pitch = pitch;
sc->spherical->roll = roll;
sc->spherical->padding = padding;
sc->spherical->bound_left = l;
sc->spherical->bound_top = t;
sc->spherical->bound_right = r;
sc->spherical->bound_bottom = b;
return 0;
}
| 10,626 |
FFmpeg | 392f227393f479ab9a461aba68ae4c6b6da685a4 | 0 | struct tm *brktimegm(time_t secs, struct tm *tm)
{
int days, y, ny, m;
int md[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
days = secs / 86400;
secs %= 86400;
tm->tm_hour = secs / 3600;
tm->tm_min = (secs % 3600) / 60;
tm->tm_sec = secs % 60;
/* oh well, may be someone some day will invent a formula for this stuff */
y = 1970; /* start "guessing" */
while (days >= (ISLEAP(y)?366:365)) {
ny = (y + days/366);
days -= (ny - y) * 365 + LEAPS_COUNT(ny - 1) - LEAPS_COUNT(y - 1);
y = ny;
}
md[1] = ISLEAP(y)?29:28;
for (m=0; days >= md[m]; m++)
days -= md[m];
tm->tm_year = y; /* unlike gmtime_r we store complete year here */
tm->tm_mon = m+1; /* unlike gmtime_r tm_mon is from 1 to 12 */
tm->tm_mday = days+1;
return tm;
}
| 10,627 |
FFmpeg | 71199ee9077da7d92a8728e2a694fb1ab31488a7 | 0 | static int dnxhd_decode_macroblock(const DNXHDContext *ctx, RowContext *row,
AVFrame *frame, int x, int y)
{
int shift1 = ctx->bit_depth >= 10;
int dct_linesize_luma = frame->linesize[0];
int dct_linesize_chroma = frame->linesize[1];
uint8_t *dest_y, *dest_u, *dest_v;
int dct_y_offset, dct_x_offset;
int qscale, i, act;
int interlaced_mb = 0;
if (ctx->mbaff) {
interlaced_mb = get_bits1(&row->gb);
qscale = get_bits(&row->gb, 10);
} else {
qscale = get_bits(&row->gb, 11);
}
act = get_bits1(&row->gb);
if (act) {
static int warned = 0;
if (!warned) {
warned = 1;
av_log(ctx->avctx, AV_LOG_ERROR,
"Unsupported adaptive color transform, patch welcome.\n");
}
}
if (qscale != row->last_qscale) {
for (i = 0; i < 64; i++) {
row->luma_scale[i] = qscale * ctx->cid_table->luma_weight[i];
row->chroma_scale[i] = qscale * ctx->cid_table->chroma_weight[i];
}
row->last_qscale = qscale;
}
for (i = 0; i < 8 + 4 * ctx->is_444; i++) {
if (ctx->decode_dct_block(ctx, row, i) < 0)
return AVERROR_INVALIDDATA;
}
if (frame->interlaced_frame) {
dct_linesize_luma <<= 1;
dct_linesize_chroma <<= 1;
}
dest_y = frame->data[0] + ((y * dct_linesize_luma) << 4) + (x << (4 + shift1));
dest_u = frame->data[1] + ((y * dct_linesize_chroma) << 4) + (x << (3 + shift1 + ctx->is_444));
dest_v = frame->data[2] + ((y * dct_linesize_chroma) << 4) + (x << (3 + shift1 + ctx->is_444));
if (frame->interlaced_frame && ctx->cur_field) {
dest_y += frame->linesize[0];
dest_u += frame->linesize[1];
dest_v += frame->linesize[2];
}
if (interlaced_mb) {
dct_linesize_luma <<= 1;
dct_linesize_chroma <<= 1;
}
dct_y_offset = interlaced_mb ? frame->linesize[0] : (dct_linesize_luma << 3);
dct_x_offset = 8 << shift1;
if (!ctx->is_444) {
ctx->idsp.idct_put(dest_y, dct_linesize_luma, row->blocks[0]);
ctx->idsp.idct_put(dest_y + dct_x_offset, dct_linesize_luma, row->blocks[1]);
ctx->idsp.idct_put(dest_y + dct_y_offset, dct_linesize_luma, row->blocks[4]);
ctx->idsp.idct_put(dest_y + dct_y_offset + dct_x_offset, dct_linesize_luma, row->blocks[5]);
if (!(ctx->avctx->flags & AV_CODEC_FLAG_GRAY)) {
dct_y_offset = interlaced_mb ? frame->linesize[1] : (dct_linesize_chroma << 3);
ctx->idsp.idct_put(dest_u, dct_linesize_chroma, row->blocks[2]);
ctx->idsp.idct_put(dest_v, dct_linesize_chroma, row->blocks[3]);
ctx->idsp.idct_put(dest_u + dct_y_offset, dct_linesize_chroma, row->blocks[6]);
ctx->idsp.idct_put(dest_v + dct_y_offset, dct_linesize_chroma, row->blocks[7]);
}
} else {
ctx->idsp.idct_put(dest_y, dct_linesize_luma, row->blocks[0]);
ctx->idsp.idct_put(dest_y + dct_x_offset, dct_linesize_luma, row->blocks[1]);
ctx->idsp.idct_put(dest_y + dct_y_offset, dct_linesize_luma, row->blocks[6]);
ctx->idsp.idct_put(dest_y + dct_y_offset + dct_x_offset, dct_linesize_luma, row->blocks[7]);
if (!(ctx->avctx->flags & AV_CODEC_FLAG_GRAY)) {
dct_y_offset = interlaced_mb ? frame->linesize[1] : (dct_linesize_chroma << 3);
ctx->idsp.idct_put(dest_u, dct_linesize_chroma, row->blocks[2]);
ctx->idsp.idct_put(dest_u + dct_x_offset, dct_linesize_chroma, row->blocks[3]);
ctx->idsp.idct_put(dest_u + dct_y_offset, dct_linesize_chroma, row->blocks[8]);
ctx->idsp.idct_put(dest_u + dct_y_offset + dct_x_offset, dct_linesize_chroma, row->blocks[9]);
ctx->idsp.idct_put(dest_v, dct_linesize_chroma, row->blocks[4]);
ctx->idsp.idct_put(dest_v + dct_x_offset, dct_linesize_chroma, row->blocks[5]);
ctx->idsp.idct_put(dest_v + dct_y_offset, dct_linesize_chroma, row->blocks[10]);
ctx->idsp.idct_put(dest_v + dct_y_offset + dct_x_offset, dct_linesize_chroma, row->blocks[11]);
}
}
return 0;
}
| 10,628 |
FFmpeg | 4ee247a2bdf2fbe81026a428d4affc46c81f28db | 0 | static int get_audio_flags(AVCodecContext *enc){
int flags = (enc->bits_per_coded_sample == 16) ? FLV_SAMPLESSIZE_16BIT : FLV_SAMPLESSIZE_8BIT;
if (enc->codec_id == CODEC_ID_AAC) // specs force these parameters
return FLV_CODECID_AAC | FLV_SAMPLERATE_44100HZ | FLV_SAMPLESSIZE_16BIT | FLV_STEREO;
else if (enc->codec_id == CODEC_ID_SPEEX) {
if (enc->sample_rate != 16000) {
av_log(enc, AV_LOG_ERROR, "flv only supports wideband (16kHz) Speex audio\n");
return -1;
}
if (enc->channels != 1) {
av_log(enc, AV_LOG_ERROR, "flv only supports mono Speex audio\n");
return -1;
}
if (enc->frame_size / 320 > 8) {
av_log(enc, AV_LOG_WARNING, "Warning: Speex stream has more than "
"8 frames per packet. Adobe Flash "
"Player cannot handle this!\n");
}
return FLV_CODECID_SPEEX | FLV_SAMPLERATE_11025HZ | FLV_SAMPLESSIZE_16BIT;
} else {
switch (enc->sample_rate) {
case 44100:
flags |= FLV_SAMPLERATE_44100HZ;
break;
case 22050:
flags |= FLV_SAMPLERATE_22050HZ;
break;
case 11025:
flags |= FLV_SAMPLERATE_11025HZ;
break;
case 8000: //nellymoser only
case 5512: //not mp3
if(enc->codec_id != CODEC_ID_MP3){
flags |= FLV_SAMPLERATE_SPECIAL;
break;
}
default:
av_log(enc, AV_LOG_ERROR, "flv does not support that sample rate, choose from (44100, 22050, 11025).\n");
return -1;
}
}
if (enc->channels > 1) {
flags |= FLV_STEREO;
}
switch(enc->codec_id){
case CODEC_ID_MP3:
flags |= FLV_CODECID_MP3 | FLV_SAMPLESSIZE_16BIT;
break;
case CODEC_ID_PCM_U8:
flags |= FLV_CODECID_PCM | FLV_SAMPLESSIZE_8BIT;
break;
case CODEC_ID_PCM_S16BE:
flags |= FLV_CODECID_PCM | FLV_SAMPLESSIZE_16BIT;
break;
case CODEC_ID_PCM_S16LE:
flags |= FLV_CODECID_PCM_LE | FLV_SAMPLESSIZE_16BIT;
break;
case CODEC_ID_ADPCM_SWF:
flags |= FLV_CODECID_ADPCM | FLV_SAMPLESSIZE_16BIT;
break;
case CODEC_ID_NELLYMOSER:
if (enc->sample_rate == 8000) {
flags |= FLV_CODECID_NELLYMOSER_8KHZ_MONO | FLV_SAMPLESSIZE_16BIT;
} else {
flags |= FLV_CODECID_NELLYMOSER | FLV_SAMPLESSIZE_16BIT;
}
break;
case 0:
flags |= enc->codec_tag<<4;
break;
default:
av_log(enc, AV_LOG_ERROR, "codec not compatible with flv\n");
return -1;
}
return flags;
}
| 10,629 |
FFmpeg | dfc6e30cd4b9d1817b78579c11fc6881e40b9733 | 0 | static int init_output_stream_encode(OutputStream *ost)
{
InputStream *ist = get_input_stream(ost);
AVCodecContext *enc_ctx = ost->enc_ctx;
AVCodecContext *dec_ctx = NULL;
AVFormatContext *oc = output_files[ost->file_index]->ctx;
int j, ret;
set_encoder_id(output_files[ost->file_index], ost);
if (ist) {
ost->st->disposition = ist->st->disposition;
dec_ctx = ist->dec_ctx;
enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
} else {
for (j = 0; j < oc->nb_streams; j++) {
AVStream *st = oc->streams[j];
if (st != ost->st && st->codecpar->codec_type == ost->st->codecpar->codec_type)
break;
}
if (j == oc->nb_streams)
if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO ||
ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
ost->st->disposition = AV_DISPOSITION_DEFAULT;
}
if ((enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
filtergraph_is_simple(ost->filter->graph)) {
FilterGraph *fg = ost->filter->graph;
if (configure_filtergraph(fg)) {
av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
exit_program(1);
}
}
if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
if (!ost->frame_rate.num)
ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
if (ist && !ost->frame_rate.num)
ost->frame_rate = ist->framerate;
if (ist && !ost->frame_rate.num)
ost->frame_rate = ist->st->r_frame_rate;
if (ist && !ost->frame_rate.num) {
ost->frame_rate = (AVRational){25, 1};
av_log(NULL, AV_LOG_WARNING,
"No information "
"about the input framerate is available. Falling "
"back to a default value of 25fps for output stream #%d:%d. Use the -r option "
"if you want a different framerate.\n",
ost->file_index, ost->index);
}
// ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
ost->frame_rate = ost->enc->supported_framerates[idx];
}
// reduce frame rate for mpeg4 to be within the spec limits
if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
ost->frame_rate.num, ost->frame_rate.den, 65535);
}
}
switch (enc_ctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
enc_ctx->sample_fmt = av_buffersink_get_format(ost->filter->filter);
if (dec_ctx)
enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
av_get_bytes_per_sample(enc_ctx->sample_fmt) << 3);
enc_ctx->sample_rate = av_buffersink_get_sample_rate(ost->filter->filter);
enc_ctx->channel_layout = av_buffersink_get_channel_layout(ost->filter->filter);
enc_ctx->channels = av_buffersink_get_channels(ost->filter->filter);
enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
break;
case AVMEDIA_TYPE_VIDEO:
enc_ctx->time_base = av_inv_q(ost->frame_rate);
if (!(enc_ctx->time_base.num && enc_ctx->time_base.den))
enc_ctx->time_base = av_buffersink_get_time_base(ost->filter->filter);
if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
&& (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
"Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
}
for (j = 0; j < ost->forced_kf_count; j++)
ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
AV_TIME_BASE_Q,
enc_ctx->time_base);
enc_ctx->width = av_buffersink_get_w(ost->filter->filter);
enc_ctx->height = av_buffersink_get_h(ost->filter->filter);
enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
av_buffersink_get_sample_aspect_ratio(ost->filter->filter);
if (!strncmp(ost->enc->name, "libx264", 7) &&
enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
av_buffersink_get_format(ost->filter->filter) != AV_PIX_FMT_YUV420P)
av_log(NULL, AV_LOG_WARNING,
"No pixel format specified, %s for H.264 encoding chosen.\n"
"Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
av_get_pix_fmt_name(av_buffersink_get_format(ost->filter->filter)));
if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
av_buffersink_get_format(ost->filter->filter) != AV_PIX_FMT_YUV420P)
av_log(NULL, AV_LOG_WARNING,
"No pixel format specified, %s for MPEG-2 encoding chosen.\n"
"Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
av_get_pix_fmt_name(av_buffersink_get_format(ost->filter->filter)));
enc_ctx->pix_fmt = av_buffersink_get_format(ost->filter->filter);
if (dec_ctx)
enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
av_pix_fmt_desc_get(enc_ctx->pix_fmt)->comp[0].depth);
ost->st->avg_frame_rate = ost->frame_rate;
if (!dec_ctx ||
enc_ctx->width != dec_ctx->width ||
enc_ctx->height != dec_ctx->height ||
enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
}
if (ost->forced_keyframes) {
if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR,
"Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
return ret;
}
ost->forced_keyframes_expr_const_values[FKF_N] = 0;
ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
// Don't parse the 'forced_keyframes' in case of 'keep-source-keyframes',
// parse it only for static kf timings
} else if(strncmp(ost->forced_keyframes, "source", 6)) {
parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
}
}
break;
case AVMEDIA_TYPE_SUBTITLE:
enc_ctx->time_base = (AVRational){1, 1000};
if (!enc_ctx->width) {
enc_ctx->width = input_streams[ost->source_index]->st->codecpar->width;
enc_ctx->height = input_streams[ost->source_index]->st->codecpar->height;
}
break;
case AVMEDIA_TYPE_DATA:
break;
default:
abort();
break;
}
return 0;
}
| 10,630 |
FFmpeg | b52ae27edf392e5a0df95054d394d850b8e57d35 | 0 | int avio_put_str16le(AVIOContext *s, const char *str)
{
const uint8_t *q = str;
int ret = 0;
while (*q) {
uint32_t ch;
uint16_t tmp;
GET_UTF8(ch, *q++, break;)
PUT_UTF16(ch, tmp, avio_wl16(s, tmp); ret += 2;)
}
avio_wl16(s, 0);
ret += 2;
return ret;
}
| 10,631 |
FFmpeg | 68f593b48433842f3407586679fe07f3e5199ab9 | 0 | void init_get_bits(GetBitContext *s,
UINT8 *buffer, int buffer_size)
{
s->buffer= buffer;
s->size= buffer_size;
s->buffer_end= buffer + buffer_size;
#ifdef ALT_BITSTREAM_READER
s->index=0;
#elif defined LIBMPEG2_BITSTREAM_READER
s->buffer_ptr = buffer;
s->bit_count = 16;
s->cache = 0;
#elif defined A32_BITSTREAM_READER
s->buffer_ptr = (uint32_t*)buffer;
s->bit_count = 32;
s->cache0 = 0;
s->cache1 = 0;
#endif
{
OPEN_READER(re, s)
UPDATE_CACHE(re, s)
// UPDATE_CACHE(re, s)
CLOSE_READER(re, s)
}
#ifdef A32_BITSTREAM_READER
s->cache1 = 0;
#endif
}
| 10,632 |
FFmpeg | c89658008705d949c319df3fa6f400c481ad73e1 | 0 | static int sdp_parse_rtpmap(AVCodecContext *codec, RTSPStream *rtsp_st, int payload_type, const char *p)
{
char buf[256];
int i;
AVCodec *c;
const char *c_name;
/* Loop into AVRtpDynamicPayloadTypes[] and AVRtpPayloadTypes[] and
see if we can handle this kind of payload */
get_word_sep(buf, sizeof(buf), "/", &p);
if (payload_type >= RTP_PT_PRIVATE) {
RTPDynamicProtocolHandler *handler= RTPFirstDynamicPayloadHandler;
while(handler) {
if (!strcasecmp(buf, handler->enc_name) && (codec->codec_type == handler->codec_type)) {
codec->codec_id = handler->codec_id;
rtsp_st->dynamic_handler= handler;
if(handler->open) {
rtsp_st->dynamic_protocol_context= handler->open();
}
break;
}
handler= handler->next;
}
} else {
/* We are in a standard case ( from http://www.iana.org/assignments/rtp-parameters) */
/* search into AVRtpPayloadTypes[] */
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 = (char *)NULL;
if (c_name) {
get_word_sep(buf, sizeof(buf), "/", &p);
i = atoi(buf);
switch (codec->codec_type) {
case CODEC_TYPE_AUDIO:
av_log(codec, 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;
get_word_sep(buf, sizeof(buf), "/", &p);
i = atoi(buf);
if (i > 0)
codec->channels = i;
// TODO: there is a bug here; if it is a mono stream, and less than 22000Hz, faad upconverts to stereo and twice the
// frequency. No problem, but the sample rate is being set here by the sdp line. Upcoming patch forthcoming. (rdm)
}
av_log(codec, AV_LOG_DEBUG, " audio samplerate set to : %i\n", codec->sample_rate);
av_log(codec, AV_LOG_DEBUG, " audio channels set to : %i\n", codec->channels);
break;
case CODEC_TYPE_VIDEO:
av_log(codec, AV_LOG_DEBUG, " video codec set to : %s\n", c_name);
break;
default:
break;
}
return 0;
}
return -1;
}
| 10,633 |
qemu | 7e0e736ecdfeac6d3517513d3a702304e4f6cf59 | 1 | static void virtio_net_device_realize(DeviceState *dev, Error **errp)
{
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
VirtIONet *n = VIRTIO_NET(dev);
NetClientState *nc;
int i;
virtio_init(vdev, "virtio-net", VIRTIO_ID_NET, n->config_size);
n->max_queues = MAX(n->nic_conf.peers.queues, 1);
n->vqs = g_malloc0(sizeof(VirtIONetQueue) * n->max_queues);
n->vqs[0].rx_vq = virtio_add_queue(vdev, 256, virtio_net_handle_rx);
n->curr_queues = 1;
n->vqs[0].n = n;
n->tx_timeout = n->net_conf.txtimer;
if (n->net_conf.tx && strcmp(n->net_conf.tx, "timer")
&& strcmp(n->net_conf.tx, "bh")) {
error_report("virtio-net: "
"Unknown option tx=%s, valid options: \"timer\" \"bh\"",
n->net_conf.tx);
error_report("Defaulting to \"bh\"");
if (n->net_conf.tx && !strcmp(n->net_conf.tx, "timer")) {
n->vqs[0].tx_vq = virtio_add_queue(vdev, 256,
virtio_net_handle_tx_timer);
n->vqs[0].tx_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, virtio_net_tx_timer,
&n->vqs[0]);
} else {
n->vqs[0].tx_vq = virtio_add_queue(vdev, 256,
virtio_net_handle_tx_bh);
n->vqs[0].tx_bh = qemu_bh_new(virtio_net_tx_bh, &n->vqs[0]);
n->ctrl_vq = virtio_add_queue(vdev, 64, virtio_net_handle_ctrl);
qemu_macaddr_default_if_unset(&n->nic_conf.macaddr);
memcpy(&n->mac[0], &n->nic_conf.macaddr, sizeof(n->mac));
n->status = VIRTIO_NET_S_LINK_UP;
n->announce_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL,
virtio_net_announce_timer, n);
if (n->netclient_type) {
/*
* Happen when virtio_net_set_netclient_name has been called.
*/
n->nic = qemu_new_nic(&net_virtio_info, &n->nic_conf,
n->netclient_type, n->netclient_name, n);
} else {
n->nic = qemu_new_nic(&net_virtio_info, &n->nic_conf,
object_get_typename(OBJECT(dev)), dev->id, n);
peer_test_vnet_hdr(n);
if (peer_has_vnet_hdr(n)) {
for (i = 0; i < n->max_queues; i++) {
qemu_using_vnet_hdr(qemu_get_subqueue(n->nic, i)->peer, true);
n->host_hdr_len = sizeof(struct virtio_net_hdr);
} else {
n->host_hdr_len = 0;
qemu_format_nic_info_str(qemu_get_queue(n->nic), n->nic_conf.macaddr.a);
n->vqs[0].tx_waiting = 0;
n->tx_burst = n->net_conf.txburst;
virtio_net_set_mrg_rx_bufs(n, 0);
n->promisc = 1; /* for compatibility */
n->mac_table.macs = g_malloc0(MAC_TABLE_ENTRIES * ETH_ALEN);
n->vlans = g_malloc0(MAX_VLAN >> 3);
nc = qemu_get_queue(n->nic);
nc->rxfilter_notify_enabled = 1;
n->qdev = dev;
register_savevm(dev, "virtio-net", -1, VIRTIO_NET_VM_VERSION,
virtio_net_save, virtio_net_load, n);
| 10,634 |
FFmpeg | 14bac7e00d72eac687612d9b125e585011a56d4f | 1 | static int avi_read_seek(AVFormatContext *s, int stream_index,
int64_t timestamp, int flags)
{
AVIContext *avi = s->priv_data;
AVStream *st;
int i, index;
int64_t pos, pos_min;
AVIStream *ast;
/* Does not matter which stream is requested dv in avi has the
* stream information in the first video stream.
*/
if (avi->dv_demux)
stream_index = 0;
if (!avi->index_loaded) {
/* we only load the index on demand */
avi_load_index(s);
avi->index_loaded |= 1;
}
av_assert0(stream_index >= 0);
st = s->streams[stream_index];
ast = st->priv_data;
index = av_index_search_timestamp(st,
timestamp * FFMAX(ast->sample_size, 1),
flags);
if (index < 0) {
if (st->nb_index_entries > 0)
av_log(s, AV_LOG_DEBUG, "Failed to find timestamp %"PRId64 " in index %"PRId64 " .. %"PRId64 "\n",
timestamp * FFMAX(ast->sample_size, 1),
st->index_entries[0].timestamp,
st->index_entries[st->nb_index_entries - 1].timestamp);
return AVERROR_INVALIDDATA;
}
/* find the position */
pos = st->index_entries[index].pos;
timestamp = st->index_entries[index].timestamp / FFMAX(ast->sample_size, 1);
av_log(s, AV_LOG_TRACE, "XX %"PRId64" %d %"PRId64"\n",
timestamp, index, st->index_entries[index].timestamp);
if (CONFIG_DV_DEMUXER && avi->dv_demux) {
/* One and only one real stream for DV in AVI, and it has video */
/* offsets. Calling with other stream indexes should have failed */
/* the av_index_search_timestamp call above. */
if (avio_seek(s->pb, pos, SEEK_SET) < 0)
return -1;
/* Feed the DV video stream version of the timestamp to the */
/* DV demux so it can synthesize correct timestamps. */
ff_dv_offset_reset(avi->dv_demux, timestamp);
avi->stream_index = -1;
return 0;
}
pos_min = pos;
for (i = 0; i < s->nb_streams; i++) {
AVStream *st2 = s->streams[i];
AVIStream *ast2 = st2->priv_data;
ast2->packet_size =
ast2->remaining = 0;
if (ast2->sub_ctx) {
seek_subtitle(st, st2, timestamp);
continue;
}
if (st2->nb_index_entries <= 0)
continue;
// av_assert1(st2->codecpar->block_align);
av_assert0(fabs(av_q2d(st2->time_base) - ast2->scale / (double)ast2->rate) < av_q2d(st2->time_base) * 0.00000001);
index = av_index_search_timestamp(st2,
av_rescale_q(timestamp,
st->time_base,
st2->time_base) *
FFMAX(ast2->sample_size, 1),
flags |
AVSEEK_FLAG_BACKWARD |
(st2->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ? AVSEEK_FLAG_ANY : 0));
if (index < 0)
index = 0;
ast2->seek_pos = st2->index_entries[index].pos;
pos_min = FFMIN(pos_min,ast2->seek_pos);
}
for (i = 0; i < s->nb_streams; i++) {
AVStream *st2 = s->streams[i];
AVIStream *ast2 = st2->priv_data;
if (ast2->sub_ctx || st2->nb_index_entries <= 0)
continue;
index = av_index_search_timestamp(
st2,
av_rescale_q(timestamp, st->time_base, st2->time_base) * FFMAX(ast2->sample_size, 1),
flags | AVSEEK_FLAG_BACKWARD | (st2->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ? AVSEEK_FLAG_ANY : 0));
if (index < 0)
index = 0;
while (!avi->non_interleaved && index>0 && st2->index_entries[index-1].pos >= pos_min)
index--;
ast2->frame_offset = st2->index_entries[index].timestamp;
}
/* do the seek */
if (avio_seek(s->pb, pos_min, SEEK_SET) < 0) {
av_log(s, AV_LOG_ERROR, "Seek failed\n");
return -1;
}
avi->stream_index = -1;
avi->dts_max = INT_MIN;
return 0;
}
| 10,635 |
FFmpeg | 97437bd17a8c5d4135b2f3b1b299bd7bb72ce02c | 1 | void ff_aac_coder_init_mips(AACEncContext *c) {
#if HAVE_INLINE_ASM
AACCoefficientsEncoder *e = c->coder;
int option = c->options.aac_coder;
if (option == 2) {
e->quantize_and_encode_band = quantize_and_encode_band_mips;
e->encode_window_bands_info = codebook_trellis_rate;
#if HAVE_MIPSFPU
e->search_for_quantizers = search_for_quantizers_twoloop;
#endif /* HAVE_MIPSFPU */
}
#if HAVE_MIPSFPU
e->search_for_ms = search_for_ms_mips;
#endif /* HAVE_MIPSFPU */
#endif /* HAVE_INLINE_ASM */
}
| 10,636 |
qemu | 797d780b1375b1af1d7713685589bfdec9908dc3 | 1 | static void gen_wsr_ps(DisasContext *dc, uint32_t sr, TCGv_i32 v)
{
uint32_t mask = PS_WOE | PS_CALLINC | PS_OWB |
PS_UM | PS_EXCM | PS_INTLEVEL;
if (option_enabled(dc, XTENSA_OPTION_MMU)) {
mask |= PS_RING;
}
tcg_gen_andi_i32(cpu_SR[sr], v, mask);
/* This can change mmu index, so exit tb */
gen_jumpi(dc, dc->next_pc, -1);
}
| 10,637 |
qemu | 4d9ad7f793605abd9806fc932b3e04e028894565 | 1 | uint64_t HELPER(neon_abdl_s32)(uint32_t a, uint32_t b)
{
uint64_t tmp;
uint64_t result;
DO_ABD(result, a, b, int16_t);
DO_ABD(tmp, a >> 16, b >> 16, int16_t);
return result | (tmp << 32);
}
| 10,638 |
FFmpeg | ddfa3751c092feaf1e080f66587024689dfe603c | 1 | static int get_cox(J2kDecoderContext *s, J2kCodingStyle *c)
{
if (s->buf_end - s->buf < 5)
return AVERROR(EINVAL);
c->nreslevels = bytestream_get_byte(&s->buf) + 1; // num of resolution levels - 1
c->log2_cblk_width = bytestream_get_byte(&s->buf) + 2; // cblk width
c->log2_cblk_height = bytestream_get_byte(&s->buf) + 2; // cblk height
c->cblk_style = bytestream_get_byte(&s->buf);
if (c->cblk_style != 0){ // cblk style
av_log(s->avctx, AV_LOG_WARNING, "extra cblk styles %X\n", c->cblk_style);
}
c->transform = bytestream_get_byte(&s->buf); // transformation
if (c->csty & J2K_CSTY_PREC) {
int i;
for (i = 0; i < c->nreslevels; i++)
bytestream_get_byte(&s->buf);
}
return 0;
}
| 10,639 |
qemu | fcf73f66a67f5e58c18216f8c8651e38cf4d90af | 1 | QFloat *qobject_to_qfloat(const QObject *obj)
{
if (qobject_type(obj) != QTYPE_QFLOAT)
return NULL;
return container_of(obj, QFloat, base);
}
| 10,641 |
qemu | 0ccb9c1d8128a020720d5c6abf99a470742a1b94 | 1 | void HELPER(divu)(CPUM68KState *env, uint32_t word)
{
uint32_t num;
uint32_t den;
uint32_t quot;
uint32_t rem;
num = env->div1;
den = env->div2;
/* ??? This needs to make sure the throwing location is accurate. */
if (den == 0) {
raise_exception(env, EXCP_DIV0);
}
quot = num / den;
rem = num % den;
env->cc_v = (word && quot > 0xffff ? -1 : 0);
env->cc_z = quot;
env->cc_n = quot;
env->cc_c = 0;
env->div1 = quot;
env->div2 = rem;
}
| 10,642 |
qemu | a37ee56cb7f2094a65fff14ed5d4ff325652b802 | 1 | void cpu_dump_state(CPUState *env, FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
int flags)
{
int i, x;
cpu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc,
env->npc);
cpu_fprintf(f, "General Registers:\n");
for (i = 0; i < 4; i++)
cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
cpu_fprintf(f, "\n");
for (; i < 8; i++)
cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
cpu_fprintf(f, "\nCurrent Register Window:\n");
for (x = 0; x < 3; x++) {
for (i = 0; i < 4; i++)
cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
(x == 0 ? 'o' : (x == 1 ? 'l' : 'i')), i,
env->regwptr[i + x * 8]);
cpu_fprintf(f, "\n");
for (; i < 8; i++)
cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
(x == 0 ? 'o' : x == 1 ? 'l' : 'i'), i,
env->regwptr[i + x * 8]);
cpu_fprintf(f, "\n");
}
cpu_fprintf(f, "\nFloating Point Registers:\n");
for (i = 0; i < 32; i++) {
if ((i & 3) == 0)
cpu_fprintf(f, "%%f%02d:", i);
cpu_fprintf(f, " %016lf", env->fpr[i]);
if ((i & 3) == 3)
cpu_fprintf(f, "\n");
}
#ifdef TARGET_SPARC64
cpu_fprintf(f, "pstate: 0x%08x ccr: 0x%02x asi: 0x%02x tl: %d fprs: %d\n",
env->pstate, GET_CCR(env), env->asi, env->tl, env->fprs);
cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate %d "
"cleanwin %d cwp %d\n",
env->cansave, env->canrestore, env->otherwin, env->wstate,
env->cleanwin, env->nwindows - 1 - env->cwp);
#else
cpu_fprintf(f, "psr: 0x%08x -> %c%c%c%c %c%c%c wim: 0x%08x\n",
GET_PSR(env), GET_FLAG(PSR_ZERO, 'Z'), GET_FLAG(PSR_OVF, 'V'),
GET_FLAG(PSR_NEG, 'N'), GET_FLAG(PSR_CARRY, 'C'),
env->psrs?'S':'-', env->psrps?'P':'-',
env->psret?'E':'-', env->wim);
#endif
cpu_fprintf(f, "fsr: 0x%08x\n", GET_FSR32(env));
}
| 10,643 |
qemu | cdd346371e09709be8e46398bb097dc690a746f2 | 1 | static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
{
uint32_t dw10 = le32_to_cpu(cmd->cdw10);
uint32_t dw11 = le32_to_cpu(cmd->cdw11);
switch (dw10) {
case NVME_VOLATILE_WRITE_CACHE:
blk_set_enable_write_cache(n->conf.blk, dw11 & 1);
break;
case NVME_NUMBER_OF_QUEUES:
req->cqe.result =
cpu_to_le32((n->num_queues - 1) | ((n->num_queues - 1) << 16));
break;
default:
return NVME_INVALID_FIELD | NVME_DNR;
}
return NVME_SUCCESS;
}
| 10,644 |
FFmpeg | 90e8317b3b33dcb54ae01e419d85cbbfbd874963 | 1 | static int flic_decode_frame_8BPP(AVCodecContext *avctx,
void *data, int *got_frame,
const uint8_t *buf, int buf_size)
{
FlicDecodeContext *s = avctx->priv_data;
GetByteContext g2;
int pixel_ptr;
int palette_ptr;
unsigned char palette_idx1;
unsigned char palette_idx2;
unsigned int frame_size;
int num_chunks;
unsigned int chunk_size;
int chunk_type;
int i, j, ret;
int color_packets;
int color_changes;
int color_shift;
unsigned char r, g, b;
int lines;
int compressed_lines;
int starting_line;
signed short line_packets;
int y_ptr;
int byte_run;
int pixel_skip;
int pixel_countdown;
unsigned char *pixels;
unsigned int pixel_limit;
bytestream2_init(&g2, buf, buf_size);
if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)
return ret;
pixels = s->frame->data[0];
pixel_limit = s->avctx->height * s->frame->linesize[0];
if (buf_size < 16 || buf_size > INT_MAX - (3 * 256 + AV_INPUT_BUFFER_PADDING_SIZE))
frame_size = bytestream2_get_le32(&g2);
if (frame_size > buf_size)
frame_size = buf_size;
bytestream2_skip(&g2, 2); /* skip the magic number */
num_chunks = bytestream2_get_le16(&g2);
bytestream2_skip(&g2, 8); /* skip padding */
if (frame_size < 16)
frame_size -= 16;
/* iterate through the chunks */
while ((frame_size >= 6) && (num_chunks > 0) &&
bytestream2_get_bytes_left(&g2) >= 4) {
int stream_ptr_after_chunk;
chunk_size = bytestream2_get_le32(&g2);
if (chunk_size > frame_size) {
av_log(avctx, AV_LOG_WARNING,
"Invalid chunk_size = %u > frame_size = %u\n", chunk_size, frame_size);
chunk_size = frame_size;
}
stream_ptr_after_chunk = bytestream2_tell(&g2) - 4 + chunk_size;
chunk_type = bytestream2_get_le16(&g2);
switch (chunk_type) {
case FLI_256_COLOR:
case FLI_COLOR:
/* check special case: If this file is from the Magic Carpet
* game and uses 6-bit colors even though it reports 256-color
* chunks in a 0xAF12-type file (fli_type is set to 0xAF13 during
* initialization) */
if ((chunk_type == FLI_256_COLOR) && (s->fli_type != FLC_MAGIC_CARPET_SYNTHETIC_TYPE_CODE))
color_shift = 0;
else
color_shift = 2;
/* set up the palette */
color_packets = bytestream2_get_le16(&g2);
palette_ptr = 0;
for (i = 0; i < color_packets; i++) {
/* first byte is how many colors to skip */
palette_ptr += bytestream2_get_byte(&g2);
/* next byte indicates how many entries to change */
color_changes = bytestream2_get_byte(&g2);
/* if there are 0 color changes, there are actually 256 */
if (color_changes == 0)
color_changes = 256;
if (bytestream2_tell(&g2) + color_changes * 3 > stream_ptr_after_chunk)
break;
for (j = 0; j < color_changes; j++) {
unsigned int entry;
/* wrap around, for good measure */
if ((unsigned)palette_ptr >= 256)
palette_ptr = 0;
r = bytestream2_get_byte(&g2) << color_shift;
g = bytestream2_get_byte(&g2) << color_shift;
b = bytestream2_get_byte(&g2) << color_shift;
entry = 0xFFU << 24 | r << 16 | g << 8 | b;
if (color_shift == 2)
entry |= entry >> 6 & 0x30303;
if (s->palette[palette_ptr] != entry)
s->new_palette = 1;
s->palette[palette_ptr++] = entry;
}
}
break;
case FLI_DELTA:
y_ptr = 0;
compressed_lines = bytestream2_get_le16(&g2);
while (compressed_lines > 0) {
if (bytestream2_tell(&g2) + 2 > stream_ptr_after_chunk)
break;
if (y_ptr > pixel_limit)
line_packets = bytestream2_get_le16(&g2);
if ((line_packets & 0xC000) == 0xC000) {
// line skip opcode
line_packets = -line_packets;
if (line_packets > s->avctx->height)
y_ptr += line_packets * s->frame->linesize[0];
} else if ((line_packets & 0xC000) == 0x4000) {
av_log(avctx, AV_LOG_ERROR, "Undefined opcode (%x) in DELTA_FLI\n", line_packets);
} else if ((line_packets & 0xC000) == 0x8000) {
// "last byte" opcode
pixel_ptr= y_ptr + s->frame->linesize[0] - 1;
CHECK_PIXEL_PTR(0);
pixels[pixel_ptr] = line_packets & 0xff;
} else {
compressed_lines--;
pixel_ptr = y_ptr;
CHECK_PIXEL_PTR(0);
pixel_countdown = s->avctx->width;
for (i = 0; i < line_packets; i++) {
if (bytestream2_tell(&g2) + 2 > stream_ptr_after_chunk)
break;
/* account for the skip bytes */
pixel_skip = bytestream2_get_byte(&g2);
pixel_ptr += pixel_skip;
pixel_countdown -= pixel_skip;
byte_run = sign_extend(bytestream2_get_byte(&g2), 8);
if (byte_run < 0) {
byte_run = -byte_run;
palette_idx1 = bytestream2_get_byte(&g2);
palette_idx2 = bytestream2_get_byte(&g2);
CHECK_PIXEL_PTR(byte_run * 2);
for (j = 0; j < byte_run; j++, pixel_countdown -= 2) {
pixels[pixel_ptr++] = palette_idx1;
pixels[pixel_ptr++] = palette_idx2;
}
} else {
CHECK_PIXEL_PTR(byte_run * 2);
if (bytestream2_tell(&g2) + byte_run * 2 > stream_ptr_after_chunk)
break;
for (j = 0; j < byte_run * 2; j++, pixel_countdown--) {
pixels[pixel_ptr++] = bytestream2_get_byte(&g2);
}
}
}
y_ptr += s->frame->linesize[0];
}
}
break;
case FLI_LC:
/* line compressed */
starting_line = bytestream2_get_le16(&g2);
y_ptr = 0;
y_ptr += starting_line * s->frame->linesize[0];
compressed_lines = bytestream2_get_le16(&g2);
while (compressed_lines > 0) {
pixel_ptr = y_ptr;
CHECK_PIXEL_PTR(0);
pixel_countdown = s->avctx->width;
if (bytestream2_tell(&g2) + 1 > stream_ptr_after_chunk)
break;
line_packets = bytestream2_get_byte(&g2);
if (line_packets > 0) {
for (i = 0; i < line_packets; i++) {
/* account for the skip bytes */
if (bytestream2_tell(&g2) + 1 > stream_ptr_after_chunk)
break;
pixel_skip = bytestream2_get_byte(&g2);
pixel_ptr += pixel_skip;
pixel_countdown -= pixel_skip;
byte_run = sign_extend(bytestream2_get_byte(&g2),8);
if (byte_run > 0) {
CHECK_PIXEL_PTR(byte_run);
if (bytestream2_tell(&g2) + byte_run > stream_ptr_after_chunk)
break;
for (j = 0; j < byte_run; j++, pixel_countdown--) {
pixels[pixel_ptr++] = bytestream2_get_byte(&g2);
}
} else if (byte_run < 0) {
byte_run = -byte_run;
palette_idx1 = bytestream2_get_byte(&g2);
CHECK_PIXEL_PTR(byte_run);
for (j = 0; j < byte_run; j++, pixel_countdown--) {
pixels[pixel_ptr++] = palette_idx1;
}
}
}
}
y_ptr += s->frame->linesize[0];
compressed_lines--;
}
break;
case FLI_BLACK:
/* set the whole frame to color 0 (which is usually black) */
memset(pixels, 0,
s->frame->linesize[0] * s->avctx->height);
break;
case FLI_BRUN:
/* Byte run compression: This chunk type only occurs in the first
* FLI frame and it will update the entire frame. */
y_ptr = 0;
for (lines = 0; lines < s->avctx->height; lines++) {
pixel_ptr = y_ptr;
/* disregard the line packets; instead, iterate through all
* pixels on a row */
bytestream2_skip(&g2, 1);
pixel_countdown = s->avctx->width;
while (pixel_countdown > 0) {
if (bytestream2_tell(&g2) + 1 > stream_ptr_after_chunk)
break;
byte_run = sign_extend(bytestream2_get_byte(&g2), 8);
if (!byte_run) {
av_log(avctx, AV_LOG_ERROR, "Invalid byte run value.\n");
}
if (byte_run > 0) {
palette_idx1 = bytestream2_get_byte(&g2);
CHECK_PIXEL_PTR(byte_run);
for (j = 0; j < byte_run; j++) {
pixels[pixel_ptr++] = palette_idx1;
pixel_countdown--;
if (pixel_countdown < 0)
av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d) at line %d\n",
pixel_countdown, lines);
}
} else { /* copy bytes if byte_run < 0 */
byte_run = -byte_run;
CHECK_PIXEL_PTR(byte_run);
if (bytestream2_tell(&g2) + byte_run > stream_ptr_after_chunk)
break;
for (j = 0; j < byte_run; j++) {
pixels[pixel_ptr++] = bytestream2_get_byte(&g2);
pixel_countdown--;
if (pixel_countdown < 0)
av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d) at line %d\n",
pixel_countdown, lines);
}
}
}
y_ptr += s->frame->linesize[0];
}
break;
case FLI_COPY:
/* copy the chunk (uncompressed frame) */
if (chunk_size - 6 != FFALIGN(s->avctx->width, 4) * s->avctx->height) {
av_log(avctx, AV_LOG_ERROR, "In chunk FLI_COPY : source data (%d bytes) " \
"has incorrect size, skipping chunk\n", chunk_size - 6);
bytestream2_skip(&g2, chunk_size - 6);
} else {
for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height;
y_ptr += s->frame->linesize[0]) {
bytestream2_get_buffer(&g2, &pixels[y_ptr],
s->avctx->width);
if (s->avctx->width & 3)
bytestream2_skip(&g2, 4 - (s->avctx->width & 3));
}
}
break;
case FLI_MINI:
/* some sort of a thumbnail? disregard this chunk... */
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unrecognized chunk type: %d\n", chunk_type);
break;
}
if (stream_ptr_after_chunk - bytestream2_tell(&g2) >= 0) {
bytestream2_skip(&g2, stream_ptr_after_chunk - bytestream2_tell(&g2));
} else {
av_log(avctx, AV_LOG_ERROR, "Chunk overread\n");
break;
}
frame_size -= chunk_size;
num_chunks--;
}
/* by the end of the chunk, the stream ptr should equal the frame
* size (minus 1 or 2, possibly); if it doesn't, issue a warning */
if (bytestream2_get_bytes_left(&g2) > 2)
av_log(avctx, AV_LOG_ERROR, "Processed FLI chunk where chunk size = %d " \
"and final chunk ptr = %d\n", buf_size,
buf_size - bytestream2_get_bytes_left(&g2));
/* make the palette available on the way out */
memcpy(s->frame->data[1], s->palette, AVPALETTE_SIZE);
if (s->new_palette) {
s->frame->palette_has_changed = 1;
s->new_palette = 0;
}
if ((ret = av_frame_ref(data, s->frame)) < 0)
return ret;
*got_frame = 1;
return buf_size;
} | 10,645 |
qemu | f51074cdc6e750daa3b6df727d83449a7e42b391 | 1 | static int pci_read_devaddr(Monitor *mon, const char *addr,
int *busp, unsigned *slotp)
{
int dom;
/* strip legacy tag */
if (!strncmp(addr, "pci_addr=", 9)) {
addr += 9;
}
if (pci_parse_devaddr(addr, &dom, busp, slotp, NULL)) {
monitor_printf(mon, "Invalid pci address\n");
return -1;
}
if (dom != 0) {
monitor_printf(mon, "Multiple PCI domains not supported, use device_add\n");
return -1;
}
return 0;
}
| 10,646 |
FFmpeg | a9f8587e152c16e943c645ff295e015384ccd76d | 0 | static void write_streaminfo(FlacEncodeContext *s, uint8_t *header)
{
PutBitContext pb;
memset(header, 0, FLAC_STREAMINFO_SIZE);
init_put_bits(&pb, header, FLAC_STREAMINFO_SIZE);
/* streaminfo metadata block */
put_bits(&pb, 16, s->avctx->frame_size);
put_bits(&pb, 16, s->avctx->frame_size);
put_bits(&pb, 24, 0);
put_bits(&pb, 24, s->max_framesize);
put_bits(&pb, 20, s->samplerate);
put_bits(&pb, 3, s->channels-1);
put_bits(&pb, 5, 15); /* bits per sample - 1 */
/* write 36-bit sample count in 2 put_bits() calls */
put_bits(&pb, 24, (s->sample_count & 0xFFFFFF000LL) >> 12);
put_bits(&pb, 12, s->sample_count & 0x000000FFFLL);
flush_put_bits(&pb);
/* MD5 signature = 0 */
}
| 10,647 |
qemu | c84a88d8cb298b6757ad01a12a8bbba66cb6eaa2 | 1 | static void slavio_check_interrupts(SLAVIO_INTCTLState *s, int set_irqs)
{
uint32_t pending = s->intregm_pending, pil_pending;
unsigned int i, j;
pending &= ~s->intregm_disabled;
trace_slavio_check_interrupts(pending, s->intregm_disabled);
for (i = 0; i < MAX_CPUS; i++) {
pil_pending = 0;
/* If we are the current interrupt target, get hard interrupts */
if (pending && !(s->intregm_disabled & MASTER_DISABLE) &&
(i == s->target_cpu)) {
for (j = 0; j < 32; j++) {
if ((pending & (1 << j)) && intbit_to_level[j]) {
pil_pending |= 1 << intbit_to_level[j];
}
}
}
/* Calculate current pending hard interrupts for display */
s->slaves[i].intreg_pending &= CPU_SOFTIRQ_MASK | CPU_IRQ_INT15_IN |
CPU_IRQ_TIMER_IN;
if (i == s->target_cpu) {
for (j = 0; j < 32; j++) {
if ((s->intregm_pending & (1 << j)) && intbit_to_level[j]) {
s->slaves[i].intreg_pending |= 1 << intbit_to_level[j];
}
}
}
/* Level 15 and CPU timer interrupts are only masked when
the MASTER_DISABLE bit is set */
if (!(s->intregm_disabled & MASTER_DISABLE)) {
pil_pending |= s->slaves[i].intreg_pending &
(CPU_IRQ_INT15_IN | CPU_IRQ_TIMER_IN);
}
/* Add soft interrupts */
pil_pending |= (s->slaves[i].intreg_pending & CPU_SOFTIRQ_MASK) >> 16;
if (set_irqs) {
for (j = MAX_PILS; j > 0; j--) {
if (pil_pending & (1 << j)) {
if (!(s->slaves[i].irl_out & (1 << j))) {
qemu_irq_raise(s->cpu_irqs[i][j]);
}
} else {
if (s->slaves[i].irl_out & (1 << j)) {
qemu_irq_lower(s->cpu_irqs[i][j]);
}
}
}
}
s->slaves[i].irl_out = pil_pending;
}
}
| 10,649 |
qemu | 282c6a2f292705f823554447ca0b7731b6f81a97 | 1 | static struct ioreq *ioreq_start(struct XenBlkDev *blkdev)
{
struct ioreq *ioreq = NULL;
if (QLIST_EMPTY(&blkdev->freelist)) {
if (blkdev->requests_total >= max_requests) {
goto out;
}
/* allocate new struct */
ioreq = g_malloc0(sizeof(*ioreq));
ioreq->blkdev = blkdev;
blkdev->requests_total++;
qemu_iovec_init(&ioreq->v, BLKIF_MAX_SEGMENTS_PER_REQUEST);
} else {
/* get one from freelist */
ioreq = QLIST_FIRST(&blkdev->freelist);
QLIST_REMOVE(ioreq, list);
qemu_iovec_reset(&ioreq->v);
}
QLIST_INSERT_HEAD(&blkdev->inflight, ioreq, list);
blkdev->requests_inflight++;
out:
return ioreq;
}
| 10,650 |
FFmpeg | 14b6adfd4627421223894c6909476d229cb6d07d | 1 | static void dequantize_slice_buffered(SnowContext *s, slice_buffer * sb, SubBand *b, IDWTELEM *src, int stride, int start_y, int end_y){
const int w= b->width;
const int qlog= av_clip(s->qlog + b->qlog, 0, QROOT*16);
const int qmul= ff_qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
const int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;
int x,y;
if(s->qlog == LOSSLESS_QLOG) return;
for(y=start_y; y<end_y; y++){
// DWTELEM * line = slice_buffer_get_line_from_address(sb, src + (y * stride));
IDWTELEM * line = slice_buffer_get_line(sb, (y * b->stride_line) + b->buf_y_offset) + b->buf_x_offset;
for(x=0; x<w; x++){
int i= line[x];
if(i<0){
line[x]= -((-i*qmul + qadd)>>(QEXPSHIFT)); //FIXME try different bias
}else if(i>0){
line[x]= (( i*qmul + qadd)>>(QEXPSHIFT));
}
}
}
}
| 10,651 |
qemu | 8db4936bb648e15173d687bc162be14fd0d4260c | 1 | static int kvm_irqchip_create(MachineState *machine, KVMState *s)
{
int ret;
if (!machine_kernel_irqchip_allowed(machine) ||
(!kvm_check_extension(s, KVM_CAP_IRQCHIP) &&
(kvm_vm_enable_cap(s, KVM_CAP_S390_IRQCHIP, 0) < 0))) {
return 0;
}
/* First probe and see if there's a arch-specific hook to create the
* in-kernel irqchip for us */
ret = kvm_arch_irqchip_create(s);
if (ret < 0) {
return ret;
} else if (ret == 0) {
ret = kvm_vm_ioctl(s, KVM_CREATE_IRQCHIP);
if (ret < 0) {
fprintf(stderr, "Create kernel irqchip failed\n");
return ret;
}
}
kvm_kernel_irqchip = true;
/* If we have an in-kernel IRQ chip then we must have asynchronous
* interrupt delivery (though the reverse is not necessarily true)
*/
kvm_async_interrupts_allowed = true;
kvm_halt_in_kernel_allowed = true;
kvm_init_irq_routing(s);
return 0;
}
| 10,652 |
qemu | 02ce232c5051854bf49e6d2816c65e00f6d7e036 | 1 | static void qemu_clock_init(QEMUClockType type)
{
QEMUClock *clock = qemu_clock_ptr(type);
clock->type = type;
clock->enabled = true;
clock->last = INT64_MIN;
QLIST_INIT(&clock->timerlists);
notifier_list_init(&clock->reset_notifiers);
main_loop_tlg.tl[type] = timerlist_new(type, NULL, NULL);
} | 10,653 |
qemu | 9b2fadda3e0196ffd485adde4fe9cdd6fae35300 | 1 | static void gen_mfdcr(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
TCGv dcrn;
if (unlikely(ctx->pr)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
dcrn = tcg_const_tl(SPR(ctx->opcode));
gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn);
tcg_temp_free(dcrn);
#endif
}
| 10,654 |
FFmpeg | 8d0786ec6d066f892f29da6593e99e73a7dfd014 | 0 | static int wav_write_header(AVFormatContext *s)
{
WAVContext *wav = s->priv_data;
AVIOContext *pb = s->pb;
int64_t fmt, fact;
ffio_wfourcc(pb, "RIFF");
avio_wl32(pb, 0); /* file length */
ffio_wfourcc(pb, "WAVE");
/* format header */
fmt = ff_start_tag(pb, "fmt ");
if (ff_put_wav_header(pb, s->streams[0]->codec) < 0) {
av_log(s, AV_LOG_ERROR, "%s codec not supported in WAVE format\n",
s->streams[0]->codec->codec ? s->streams[0]->codec->codec->name : "NONE");
av_free(wav);
return -1;
}
ff_end_tag(pb, fmt);
if (s->streams[0]->codec->codec_tag != 0x01 /* hence for all other than PCM */
&& s->pb->seekable) {
fact = ff_start_tag(pb, "fact");
avio_wl32(pb, 0);
ff_end_tag(pb, fact);
}
av_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);
wav->maxpts = wav->last_duration = 0;
wav->minpts = INT64_MAX;
/* data header */
wav->data = ff_start_tag(pb, "data");
avio_flush(pb);
return 0;
}
| 10,655 |
FFmpeg | 438f884fc48b4b956fa713df2a722bd484f5646b | 0 | void ff_llviddsp_init_x86(LLVidDSPContext *c)
{
int cpu_flags = av_get_cpu_flags();
#if HAVE_INLINE_ASM && HAVE_7REGS && ARCH_X86_32
if (cpu_flags & AV_CPU_FLAG_CMOV)
c->add_median_pred = add_median_pred_cmov;
#endif
if (ARCH_X86_32 && EXTERNAL_MMX(cpu_flags)) {
c->add_bytes = ff_add_bytes_mmx;
}
if (ARCH_X86_32 && EXTERNAL_MMXEXT(cpu_flags)) {
/* slower than cmov version on AMD */
if (!(cpu_flags & AV_CPU_FLAG_3DNOW))
c->add_median_pred = ff_add_median_pred_mmxext;
}
if (EXTERNAL_SSE2(cpu_flags)) {
c->add_bytes = ff_add_bytes_sse2;
c->add_median_pred = ff_add_median_pred_sse2;
}
if (EXTERNAL_SSSE3(cpu_flags)) {
c->add_left_pred = ff_add_left_pred_ssse3;
c->add_left_pred_int16 = ff_add_left_pred_int16_ssse3;
c->add_gradient_pred = ff_add_gradient_pred_ssse3;
}
if (EXTERNAL_SSSE3_FAST(cpu_flags)) {
c->add_left_pred = ff_add_left_pred_unaligned_ssse3;
}
if (EXTERNAL_SSE4(cpu_flags)) {
c->add_left_pred_int16 = ff_add_left_pred_int16_sse4;
}
if (EXTERNAL_AVX2_FAST(cpu_flags)) {
c->add_bytes = ff_add_bytes_avx2;
c->add_left_pred = ff_add_left_pred_unaligned_avx2;
c->add_gradient_pred = ff_add_gradient_pred_avx2;
}
}
| 10,656 |
FFmpeg | 8febd6afbca652b331ddd8e75e356656c153cad1 | 0 | static av_cold int libgsm_init(AVCodecContext *avctx) {
if (avctx->channels > 1) {
av_log(avctx, AV_LOG_ERROR, "Mono required for GSM, got %d channels\n",
avctx->channels);
return -1;
}
if(avctx->codec->decode){
if(!avctx->channels)
avctx->channels= 1;
if(!avctx->sample_rate)
avctx->sample_rate= 8000;
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
}else{
if (avctx->sample_rate != 8000) {
av_log(avctx, AV_LOG_ERROR, "Sample rate 8000Hz required for GSM, got %dHz\n",
avctx->sample_rate);
if(avctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL)
return -1;
}
if (avctx->bit_rate != 13000 /* Official */ &&
avctx->bit_rate != 13200 /* Very common */ &&
avctx->bit_rate != 0 /* Unknown; a.o. mov does not set bitrate when decoding */ ) {
av_log(avctx, AV_LOG_ERROR, "Bitrate 13000bps required for GSM, got %dbps\n",
avctx->bit_rate);
if(avctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL)
return -1;
}
}
avctx->priv_data = gsm_create();
switch(avctx->codec_id) {
case CODEC_ID_GSM:
avctx->frame_size = GSM_FRAME_SIZE;
avctx->block_align = GSM_BLOCK_SIZE;
break;
case CODEC_ID_GSM_MS: {
int one = 1;
gsm_option(avctx->priv_data, GSM_OPT_WAV49, &one);
avctx->frame_size = 2*GSM_FRAME_SIZE;
avctx->block_align = GSM_MS_BLOCK_SIZE;
}
}
avctx->coded_frame= avcodec_alloc_frame();
avctx->coded_frame->key_frame= 1;
return 0;
}
| 10,657 |
FFmpeg | 934982c4ace1a3d5d627b518782ed092a456c49e | 0 | static int h261_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
uint8_t *buf, int buf_size)
{
H261Context *h= avctx->priv_data;
MpegEncContext *s = &h->s;
int ret;
AVFrame *pict = data;
#ifdef DEBUG
printf("*****frame %d size=%d\n", avctx->frame_number, buf_size);
printf("bytes=%x %x %x %x\n", buf[0], buf[1], buf[2], buf[3]);
#endif
s->flags= avctx->flags;
s->flags2= avctx->flags2;
/* no supplementary picture */
if (buf_size == 0) {
return 0;
}
h->gob_start_code_skipped=0;
retry:
init_get_bits(&s->gb, buf, buf_size*8);
if(!s->context_initialized){
if (MPV_common_init(s) < 0) //we need the idct permutaton for reading a custom matrix
return -1;
}
//we need to set current_picture_ptr before reading the header, otherwise we cant store anyting im there
if(s->current_picture_ptr==NULL || s->current_picture_ptr->data[0]){
int i= ff_find_unused_picture(s, 0);
s->current_picture_ptr= &s->picture[i];
}
ret = h261_decode_picture_header(h);
/* skip if the header was thrashed */
if (ret < 0){
av_log(s->avctx, AV_LOG_ERROR, "header damaged\n");
return -1;
}
if (s->width != avctx->coded_width || s->height != avctx->coded_height){
ParseContext pc= s->parse_context; //FIXME move these demuxng hack to avformat
s->parse_context.buffer=0;
MPV_common_end(s);
s->parse_context= pc;
}
if (!s->context_initialized) {
avcodec_set_dimensions(avctx, s->width, s->height);
goto retry;
}
// for hurry_up==5
s->current_picture.pict_type= s->pict_type;
s->current_picture.key_frame= s->pict_type == I_TYPE;
/* skip everything if we are in a hurry>=5 */
if(avctx->hurry_up>=5) return get_consumed_bytes(s, buf_size);
if(MPV_frame_start(s, avctx) < 0)
return -1;
ff_er_frame_start(s);
/* decode each macroblock */
s->mb_x=0;
s->mb_y=0;
while(h->gob_number < (s->mb_height==18 ? 12 : 5)){
if(ff_h261_resync(h)<0)
break;
h261_decode_gob(h);
}
MPV_frame_end(s);
assert(s->current_picture.pict_type == s->current_picture_ptr->pict_type);
assert(s->current_picture.pict_type == s->pict_type);
*pict= *(AVFrame*)s->current_picture_ptr;
ff_print_debug_info(s, pict);
/* Return the Picture timestamp as the frame number */
/* we substract 1 because it is added on utils.c */
avctx->frame_number = s->picture_number - 1;
*data_size = sizeof(AVFrame);
return get_consumed_bytes(s, buf_size);
}
| 10,658 |
FFmpeg | 2d453188c2303da641dafb048dc1806790526dfd | 0 | static int mov_read_uuid(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
AVStream *st;
MOVStreamContext *sc;
int64_t ret;
uint8_t uuid[16];
static const uint8_t uuid_isml_manifest[] = {
0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
};
static const uint8_t uuid_xmp[] = {
0xbe, 0x7a, 0xcf, 0xcb, 0x97, 0xa9, 0x42, 0xe8,
0x9c, 0x71, 0x99, 0x94, 0x91, 0xe3, 0xaf, 0xac
};
static const uint8_t uuid_spherical[] = {
0xff, 0xcc, 0x82, 0x63, 0xf8, 0x55, 0x4a, 0x93,
0x88, 0x14, 0x58, 0x7a, 0x02, 0x52, 0x1f, 0xdd,
};
if (atom.size < sizeof(uuid) || atom.size == INT64_MAX)
return AVERROR_INVALIDDATA;
if (c->fc->nb_streams < 1)
return 0;
st = c->fc->streams[c->fc->nb_streams - 1];
sc = st->priv_data;
ret = avio_read(pb, uuid, sizeof(uuid));
if (ret < 0) {
return ret;
} else if (ret != sizeof(uuid)) {
return AVERROR_INVALIDDATA;
}
if (!memcmp(uuid, uuid_isml_manifest, sizeof(uuid))) {
uint8_t *buffer, *ptr;
char *endptr;
size_t len = atom.size - sizeof(uuid);
if (len < 4) {
return AVERROR_INVALIDDATA;
}
ret = avio_skip(pb, 4); // zeroes
len -= 4;
buffer = av_mallocz(len + 1);
if (!buffer) {
return AVERROR(ENOMEM);
}
ret = avio_read(pb, buffer, len);
if (ret < 0) {
av_free(buffer);
return ret;
} else if (ret != len) {
av_free(buffer);
return AVERROR_INVALIDDATA;
}
ptr = buffer;
while ((ptr = av_stristr(ptr, "systemBitrate=\""))) {
ptr += sizeof("systemBitrate=\"") - 1;
c->bitrates_count++;
c->bitrates = av_realloc_f(c->bitrates, c->bitrates_count, sizeof(*c->bitrates));
if (!c->bitrates) {
c->bitrates_count = 0;
av_free(buffer);
return AVERROR(ENOMEM);
}
errno = 0;
ret = strtol(ptr, &endptr, 10);
if (ret < 0 || errno || *endptr != '"') {
c->bitrates[c->bitrates_count - 1] = 0;
} else {
c->bitrates[c->bitrates_count - 1] = ret;
}
}
av_free(buffer);
} else if (!memcmp(uuid, uuid_xmp, sizeof(uuid))) {
uint8_t *buffer;
size_t len = atom.size - sizeof(uuid);
if (c->export_xmp) {
buffer = av_mallocz(len + 1);
if (!buffer) {
return AVERROR(ENOMEM);
}
ret = avio_read(pb, buffer, len);
if (ret < 0) {
av_free(buffer);
return ret;
} else if (ret != len) {
av_free(buffer);
return AVERROR_INVALIDDATA;
}
buffer[len] = '\0';
av_dict_set(&c->fc->metadata, "xmp", buffer, 0);
av_free(buffer);
} else {
// skip all uuid atom, which makes it fast for long uuid-xmp file
ret = avio_skip(pb, len);
if (ret < 0)
return ret;
}
} else if (!memcmp(uuid, uuid_spherical, sizeof(uuid))) {
size_t len = atom.size - sizeof(uuid);
ret = mov_parse_uuid_spherical(sc, pb, len);
if (ret < 0)
return ret;
if (!sc->spherical)
av_log(c->fc, AV_LOG_WARNING, "Invalid spherical metadata found\n"); }
return 0;
}
| 10,660 |
qemu | 4d9ad7f793605abd9806fc932b3e04e028894565 | 1 | uint64_t HELPER(neon_abdl_u16)(uint32_t a, uint32_t b)
{
uint64_t tmp;
uint64_t result;
DO_ABD(result, a, b, uint8_t);
DO_ABD(tmp, a >> 8, b >> 8, uint8_t);
result |= tmp << 16;
DO_ABD(tmp, a >> 16, b >> 16, uint8_t);
result |= tmp << 32;
DO_ABD(tmp, a >> 24, b >> 24, uint8_t);
result |= tmp << 48;
return result;
}
| 10,661 |
FFmpeg | ff1e30c059386db05131fe2f5bca1f35e1f5ac7e | 1 | static int ipvideo_decode_block_opcode_0xA(IpvideoContext *s, AVFrame *frame)
{
int x, y;
unsigned char P[8];
int flags = 0;
bytestream2_get_buffer(&s->stream_ptr, P, 4);
/* 4-color encoding for each 4x4 quadrant, or 4-color encoding on
* either top and bottom or left and right halves */
if (P[0] <= P[1]) {
/* 4-color encoding for each quadrant; need 32 bytes */
for (y = 0; y < 16; y++) {
// new values for each 4x4 block
if (!(y & 3)) {
if (y) bytestream2_get_buffer(&s->stream_ptr, P, 4);
flags = bytestream2_get_le32(&s->stream_ptr);
for (x = 0; x < 4; x++, flags >>= 2)
*s->pixel_ptr++ = P[flags & 0x03];
s->pixel_ptr += s->stride - 4;
// switch to right half
if (y == 7) s->pixel_ptr -= 8 * s->stride - 4;
} else {
// vertical split?
int vert;
uint64_t flags = bytestream2_get_le64(&s->stream_ptr);
bytestream2_get_buffer(&s->stream_ptr, P + 4, 4);
vert = P[4] <= P[5];
/* 4-color encoding for either left and right or top and bottom
* halves */
for (y = 0; y < 16; y++) {
for (x = 0; x < 4; x++, flags >>= 2)
*s->pixel_ptr++ = P[flags & 0x03];
if (vert) {
s->pixel_ptr += s->stride - 4;
// switch to right half
if (y == 7) s->pixel_ptr -= 8 * s->stride - 4;
} else if (y & 1) s->pixel_ptr += s->line_inc;
// load values for second half
if (y == 7) {
memcpy(P, P + 4, 4);
flags = bytestream2_get_le64(&s->stream_ptr);
/* report success */
return 0; | 10,663 |
FFmpeg | 46e75617d9700be8840a843237f8571061a63a8e | 1 | static av_cold int truemotion1_decode_init(AVCodecContext *avctx)
{
TrueMotion1Context *s = avctx->priv_data;
s->avctx = avctx;
// FIXME: it may change ?
// if (avctx->bits_per_sample == 24)
// avctx->pix_fmt = AV_PIX_FMT_RGB24;
// else
// avctx->pix_fmt = AV_PIX_FMT_RGB555;
s->frame = av_frame_alloc();
if (!s->frame)
return AVERROR(ENOMEM);
/* there is a vertical predictor for each pixel in a line; each vertical
* predictor is 0 to start with */
av_fast_malloc(&s->vert_pred, &s->vert_pred_size, s->avctx->width * sizeof(unsigned int));
if (!s->vert_pred)
return AVERROR(ENOMEM);
return 0;
}
| 10,664 |
qemu | 85d604af5f96c32734af9974ec6ddb625b6716a2 | 1 | static uint32_t suov32(CPUTriCoreState *env, int64_t arg)
{
uint32_t ret;
int64_t max_pos = UINT32_MAX;
if (arg > max_pos) {
env->PSW_USB_V = (1 << 31);
env->PSW_USB_SV = (1 << 31);
ret = (target_ulong)max_pos;
} else {
if (arg < 0) {
env->PSW_USB_V = (1 << 31);
env->PSW_USB_SV = (1 << 31);
ret = 0;
} else {
env->PSW_USB_V = 0;
ret = (target_ulong)arg;
}
}
env->PSW_USB_AV = arg ^ arg * 2u;
env->PSW_USB_SAV |= env->PSW_USB_AV;
return ret;
}
| 10,666 |
FFmpeg | 8f1afde11d4d76fc2444074b45d76a5113d1d748 | 0 | static int dirac_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *pkt)
{
DiracContext *s = avctx->priv_data;
AVFrame *picture = data;
uint8_t *buf = pkt->data;
int buf_size = pkt->size;
int i, data_unit_size, buf_idx = 0;
int ret;
/* release unused frames */
for (i = 0; i < MAX_FRAMES; i++)
if (s->all_frames[i].avframe->data[0] && !s->all_frames[i].avframe->reference) {
av_frame_unref(s->all_frames[i].avframe);
memset(s->all_frames[i].interpolated, 0, sizeof(s->all_frames[i].interpolated));
}
s->current_picture = NULL;
*got_frame = 0;
/* end of stream, so flush delayed pics */
if (buf_size == 0)
return get_delayed_pic(s, (AVFrame *)data, got_frame);
for (;;) {
/*[DIRAC_STD] Here starts the code from parse_info() defined in 9.6
[DIRAC_STD] PARSE_INFO_PREFIX = "BBCD" as defined in ISO/IEC 646
BBCD start code search */
for (; buf_idx + DATA_UNIT_HEADER_SIZE < buf_size; buf_idx++) {
if (buf[buf_idx ] == 'B' && buf[buf_idx+1] == 'B' &&
buf[buf_idx+2] == 'C' && buf[buf_idx+3] == 'D')
break;
}
/* BBCD found or end of data */
if (buf_idx + DATA_UNIT_HEADER_SIZE >= buf_size)
break;
data_unit_size = AV_RB32(buf+buf_idx+5);
if (data_unit_size > buf_size - buf_idx || !data_unit_size) {
if(data_unit_size > buf_size - buf_idx)
av_log(s->avctx, AV_LOG_ERROR,
"Data unit with size %d is larger than input buffer, discarding\n",
data_unit_size);
buf_idx += 4;
continue;
}
/* [DIRAC_STD] dirac_decode_data_unit makes reference to the while defined in 9.3 inside the function parse_sequence() */
ret = dirac_decode_data_unit(avctx, buf+buf_idx, data_unit_size);
if (ret < 0)
{
av_log(s->avctx, AV_LOG_ERROR,"Error in dirac_decode_data_unit\n");
return ret;
}
buf_idx += data_unit_size;
}
if (!s->current_picture)
return buf_size;
if (s->current_picture->avframe->display_picture_number > s->frame_number) {
DiracFrame *delayed_frame = remove_frame(s->delay_frames, s->frame_number);
s->current_picture->avframe->reference |= DELAYED_PIC_REF;
if (add_frame(s->delay_frames, MAX_DELAY, s->current_picture)) {
int min_num = s->delay_frames[0]->avframe->display_picture_number;
/* Too many delayed frames, so we display the frame with the lowest pts */
av_log(avctx, AV_LOG_ERROR, "Delay frame overflow\n");
for (i = 1; s->delay_frames[i]; i++)
if (s->delay_frames[i]->avframe->display_picture_number < min_num)
min_num = s->delay_frames[i]->avframe->display_picture_number;
delayed_frame = remove_frame(s->delay_frames, min_num);
add_frame(s->delay_frames, MAX_DELAY, s->current_picture);
}
if (delayed_frame) {
delayed_frame->avframe->reference ^= DELAYED_PIC_REF;
if((ret=av_frame_ref(data, delayed_frame->avframe)) < 0)
return ret;
*got_frame = 1;
}
} else if (s->current_picture->avframe->display_picture_number == s->frame_number) {
/* The right frame at the right time :-) */
if((ret=av_frame_ref(data, s->current_picture->avframe)) < 0)
return ret;
*got_frame = 1;
}
if (*got_frame)
s->frame_number = picture->display_picture_number + 1;
return buf_idx;
}
| 10,667 |
FFmpeg | 82dd7d0dec29ee59af91ce18c29eb151b363ff37 | 0 | static int decode_svq1_block (bit_buffer_t *bitbuf, uint8_t *pixels, int pitch, int intra) {
uint32_t bit_cache;
vlc_code_t *vlc;
uint8_t *list[63];
uint32_t *dst;
uint32_t *codebook;
int entries[6];
int i, j, m, n;
int mean, stages;
int x, y, width, height, level;
uint32_t n1, n2, n3, n4;
/* initialize list for breadth first processing of vectors */
list[0] = pixels;
/* recursively process vector */
for (i=0, m=1, n=1, level=5; i < n; i++) {
for (; level > 0; i++) {
/* process next depth */
if (i == m) {
m = n;
if (--level == 0)
break;
}
/* divide block if next bit set */
if (get_bits (bitbuf, 1) == 0)
break;
/* add child nodes */
list[n++] = list[i];
list[n++] = list[i] + (((level & 1) ? pitch : 1) << ((level / 2) + 1));
}
/* destination address and vector size */
dst = (uint32_t *) list[i];
width = 1 << ((4 + level) /2);
height = 1 << ((3 + level) /2);
/* get number of stages (-1 skips vector, 0 for mean only) */
bit_cache = get_bit_cache (bitbuf);
if (intra)
vlc = &intra_vector_tables[level][bit_cache >> (32 - 7)];
else
vlc = &inter_vector_tables[level][bit_cache >> (32 - 6)];
/* flush bits */
stages = vlc->value;
skip_bits(bitbuf,vlc->length);
if (stages == -1) {
if (intra) {
for (y=0; y < height; y++) {
memset (&dst[y*(pitch / 4)], 0, width);
}
}
continue; /* skip vector */
}
if ((stages > 0) && (level >= 4)) {
#ifdef DEBUG_SVQ1
printf("Error (decode_svq1_block): invalid vector: stages=%i level=%i\n",stages,level);
#endif
return -1; /* invalid vector */
}
/* get mean value for vector */
bit_cache = get_bit_cache (bitbuf);
if (intra) {
if (bit_cache >= 0x25000000)
vlc = &intra_mean_table_0[(bit_cache >> (32 - 8)) - 37];
else if (bit_cache >= 0x03400000)
vlc = &intra_mean_table_1[(bit_cache >> (32 - 10)) - 13];
else if (bit_cache >= 0x00040000)
vlc = &intra_mean_table_2[(bit_cache >> (32 - 14)) - 1];
else
vlc = &intra_mean_table_3[bit_cache >> (32 - 20)];
} else {
if (bit_cache >= 0x0B000000)
vlc = &inter_mean_table_0[(bit_cache >> (32 - 8)) - 11];
else if (bit_cache >= 0x01200000)
vlc = &inter_mean_table_1[(bit_cache >> (32 - 12)) - 18];
else if (bit_cache >= 0x002E0000)
vlc = &inter_mean_table_2[(bit_cache >> (32 - 15)) - 23];
else if (bit_cache >= 0x00094000)
vlc = &inter_mean_table_3[(bit_cache >> (32 - 18)) - 37];
else if (bit_cache >= 0x00049000)
vlc = &inter_mean_table_4[(bit_cache >> (32 - 20)) - 73];
else
vlc = &inter_mean_table_5[bit_cache >> (32 - 22)];
}
/* flush bits */
mean = vlc->value;
skip_bits(bitbuf,vlc->length);
if (intra && stages == 0) {
for (y=0; y < height; y++) {
memset (&dst[y*(pitch / 4)], mean, width);
}
} else {
codebook = (uint32_t *) (intra ? intra_codebooks[level] : inter_codebooks[level]);
bit_cache = get_bits (bitbuf, 4*stages);
/* calculate codebook entries for this vector */
for (j=0; j < stages; j++) {
entries[j] = (((bit_cache >> (4*(stages - j - 1))) & 0xF) + 16*j) << (level + 1);
}
mean -= (stages * 128);
n4 = ((mean + (mean >> 31)) << 16) | (mean & 0xFFFF);
for (y=0; y < height; y++) {
for (x=0; x < (width / 4); x++, codebook++) {
if (intra) {
n1 = n4;
n2 = n4;
} else {
n3 = dst[x];
/* add mean value to vector */
n1 = ((n3 & 0xFF00FF00) >> 8) + n4;
n2 = (n3 & 0x00FF00FF) + n4;
}
/* add codebook entries to vector */
for (j=0; j < stages; j++) {
n3 = codebook[entries[j]] ^ 0x80808080;
n1 += ((n3 & 0xFF00FF00) >> 8);
n2 += (n3 & 0x00FF00FF);
}
/* clip to [0..255] */
if (n1 & 0xFF00FF00) {
n3 = ((( n1 >> 15) & 0x00010001) | 0x01000100) - 0x00010001;
n1 += 0x7F007F00;
n1 |= (((~n1 >> 15) & 0x00010001) | 0x01000100) - 0x00010001;
n1 &= (n3 & 0x00FF00FF);
}
if (n2 & 0xFF00FF00) {
n3 = ((( n2 >> 15) & 0x00010001) | 0x01000100) - 0x00010001;
n2 += 0x7F007F00;
n2 |= (((~n2 >> 15) & 0x00010001) | 0x01000100) - 0x00010001;
n2 &= (n3 & 0x00FF00FF);
}
/* store result */
dst[x] = (n1 << 8) | n2;
}
dst += (pitch / 4);
}
}
}
return 0;
}
| 10,668 |
FFmpeg | 5ff31babfccd16cdee6575ae015ff67e9a08e35d | 0 | static int mov_init(AVFormatContext *s)
{
MOVMuxContext *mov = s->priv_data;
AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
int i, ret;
mov->fc = s;
/* Default mode == MP4 */
mov->mode = MODE_MP4;
if (s->oformat) {
if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
}
if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
/* Set the FRAGMENT flag if any of the fragmentation methods are
* enabled. */
if (mov->max_fragment_duration || mov->max_fragment_size ||
mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
FF_MOV_FLAG_FRAG_KEYFRAME |
FF_MOV_FLAG_FRAG_CUSTOM))
mov->flags |= FF_MOV_FLAG_FRAGMENT;
/* Set other implicit flags immediately */
if (mov->mode == MODE_ISM)
mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
FF_MOV_FLAG_FRAGMENT;
if (mov->flags & FF_MOV_FLAG_DASH)
mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
FF_MOV_FLAG_DEFAULT_BASE_MOOF;
if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
s->flags &= ~AVFMT_FLAG_AUTO_BSF;
}
if (mov->flags & FF_MOV_FLAG_FASTSTART) {
mov->reserved_moov_size = -1;
}
if (mov->use_editlist < 0) {
mov->use_editlist = 1;
if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
// If we can avoid needing an edit list by shifting the
// tracks, prefer that over (trying to) write edit lists
// in fragmented output.
if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
mov->use_editlist = 0;
}
}
if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
!(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
/* Clear the omit_tfhd_offset flag if default_base_moof is set;
* if the latter is set that's enough and omit_tfhd_offset doesn't
* add anything extra on top of that. */
if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
if (mov->frag_interleave &&
mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
av_log(s, AV_LOG_ERROR,
"Sample interleaving in fragments is mutually exclusive with "
"omit_tfhd_offset and separate_moof\n");
return AVERROR(EINVAL);
}
/* Non-seekable output is ok if using fragmentation. If ism_lookahead
* is enabled, we don't support non-seekable output at all. */
if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
(!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
return AVERROR(EINVAL);
}
mov->nb_streams = s->nb_streams;
if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
mov->chapter_track = mov->nb_streams++;
if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
/* Add hint tracks for each audio and video stream */
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
mov->nb_streams++;
}
}
}
if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
|| mov->write_tmcd == 1) {
/* +1 tmcd track for each video stream with a timecode */
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
AVDictionaryEntry *t = global_tcr;
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
(t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
AVTimecode tc;
ret = mov_check_timecode_track(s, &tc, i, t->value);
if (ret >= 0)
mov->nb_meta_tmcd++;
}
}
/* check if there is already a tmcd track to remux */
if (mov->nb_meta_tmcd) {
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
"so timecode metadata are now ignored\n");
mov->nb_meta_tmcd = 0;
}
}
}
mov->nb_streams += mov->nb_meta_tmcd;
}
// Reserve an extra stream for chapters for the case where chapters
// are written in the trailer
mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
if (!mov->tracks)
return AVERROR(ENOMEM);
if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
mov->encryption_key_len, AES_CTR_KEY_SIZE);
return AVERROR(EINVAL);
}
if (mov->encryption_kid_len != CENC_KID_SIZE) {
av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
mov->encryption_kid_len, CENC_KID_SIZE);
return AVERROR(EINVAL);
}
} else {
av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
mov->encryption_scheme_str);
return AVERROR(EINVAL);
}
}
for (i = 0; i < s->nb_streams; i++) {
AVStream *st= s->streams[i];
MOVTrack *track= &mov->tracks[i];
AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
track->st = st;
track->par = st->codecpar;
track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
if (track->language < 0)
track->language = 0;
track->mode = mov->mode;
track->tag = mov_find_codec_tag(s, track);
if (!track->tag) {
av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
"codec not currently supported in container\n",
avcodec_get_name(st->codecpar->codec_id), i);
return AVERROR(EINVAL);
}
/* If hinting of this track is enabled by a later hint track,
* this is updated. */
track->hint_track = -1;
track->start_dts = AV_NOPTS_VALUE;
track->start_cts = AV_NOPTS_VALUE;
track->end_pts = AV_NOPTS_VALUE;
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
return AVERROR(EINVAL);
}
track->height = track->tag >> 24 == 'n' ? 486 : 576;
}
if (mov->video_track_timescale) {
track->timescale = mov->video_track_timescale;
} else {
track->timescale = st->time_base.den;
while(track->timescale < 10000)
track->timescale *= 2;
}
if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
return AVERROR(EINVAL);
}
if (track->mode == MODE_MOV && track->timescale > 100000)
av_log(s, AV_LOG_WARNING,
"WARNING codec timebase is very high. If duration is too long,\n"
"file may not be playable by quicktime. Specify a shorter timebase\n"
"or choose different container.\n");
if (track->mode == MODE_MOV &&
track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
track->tag == MKTAG('r','a','w',' ')) {
enum AVPixelFormat pix_fmt = track->par->format;
if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
pix_fmt = AV_PIX_FMT_MONOWHITE;
track->is_unaligned_qt_rgb =
pix_fmt == AV_PIX_FMT_RGB24 ||
pix_fmt == AV_PIX_FMT_BGR24 ||
pix_fmt == AV_PIX_FMT_PAL8 ||
pix_fmt == AV_PIX_FMT_GRAY8 ||
pix_fmt == AV_PIX_FMT_MONOWHITE ||
pix_fmt == AV_PIX_FMT_MONOBLACK;
}
if (track->par->codec_id == AV_CODEC_ID_VP9) {
if (track->mode != MODE_MP4) {
av_log(s, AV_LOG_ERROR, "VP9 only supported in MP4.\n");
return AVERROR(EINVAL);
}
if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
av_log(s, AV_LOG_ERROR,
"VP9 in MP4 support is experimental, add "
"'-strict %d' if you want to use it.\n",
FF_COMPLIANCE_EXPERIMENTAL);
return AVERROR_EXPERIMENTAL;
}
}
} else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
track->timescale = st->codecpar->sample_rate;
if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
track->audio_vbr = 1;
}else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
st->codecpar->codec_id == AV_CODEC_ID_ILBC){
if (!st->codecpar->block_align) {
av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
return AVERROR(EINVAL);
}
track->sample_size = st->codecpar->block_align;
}else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
track->audio_vbr = 1;
}else{
track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
}
if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
track->audio_vbr = 1;
}
if (track->mode != MODE_MOV &&
track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
i, track->par->sample_rate);
return AVERROR(EINVAL);
} else {
av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
i, track->par->sample_rate);
}
}
if (track->par->codec_id == AV_CODEC_ID_FLAC ||
track->par->codec_id == AV_CODEC_ID_OPUS) {
if (track->mode != MODE_MP4) {
av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
return AVERROR(EINVAL);
}
if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
av_log(s, AV_LOG_ERROR,
"%s in MP4 support is experimental, add "
"'-strict %d' if you want to use it.\n",
avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
return AVERROR_EXPERIMENTAL;
}
}
} else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
track->timescale = st->time_base.den;
} else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
track->timescale = st->time_base.den;
} else {
track->timescale = MOV_TIMESCALE;
}
if (!track->height)
track->height = st->codecpar->height;
/* The ism specific timescale isn't mandatory, but is assumed by
* some tools, such as mp4split. */
if (mov->mode == MODE_ISM)
track->timescale = 10000000;
avpriv_set_pts_info(st, 64, 1, track->timescale);
if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
if (ret)
return ret;
}
}
enable_tracks(s);
return 0;
}
| 10,669 |
qemu | db3bf8696358e105903b00432cad0aa50d3c0cb6 | 1 | static GThread *trace_thread_create(GThreadFunc fn)
{
GThread *thread;
#ifndef _WIN32
sigset_t set, oldset;
sigfillset(&set);
pthread_sigmask(SIG_SETMASK, &set, &oldset);
#endif
thread = g_thread_create(writeout_thread, NULL, FALSE, NULL);
#ifndef _WIN32
pthread_sigmask(SIG_SETMASK, &oldset, NULL);
#endif
return thread;
}
| 10,674 |
qemu | 297a3646c2947ee64a6d42ca264039732c6218e0 | 1 | static void visit_type_TestStruct(Visitor *v, TestStruct **obj,
const char *name, Error **errp)
{
Error *err = NULL;
visit_start_struct(v, (void **)obj, "TestStruct", name, sizeof(TestStruct),
&err);
if (err) {
goto out;
}
visit_type_int(v, &(*obj)->integer, "integer", &err);
visit_type_bool(v, &(*obj)->boolean, "boolean", &err);
visit_type_str(v, &(*obj)->string, "string", &err);
visit_end_struct(v, &err);
out:
error_propagate(errp, err);
}
| 10,675 |
FFmpeg | 01ecb7172b684f1c4b3e748f95c5a9a494ca36ec | 1 | static float get_band_cost_ZERO_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
int i;
float cost = 0;
for (i = 0; i < size; i += 4) {
cost += in[i ] * in[i ];
cost += in[i+1] * in[i+1];
cost += in[i+2] * in[i+2];
cost += in[i+3] * in[i+3];
}
if (bits)
*bits = 0;
return cost * lambda;
}
| 10,676 |
FFmpeg | 648c79624fa70414dfb644fcb84b9de15e6568b0 | 1 | static int decode_thread(void *arg)
{
VideoState *is = arg;
AVFormatContext *ic;
int err, i, ret;
int st_index[AVMEDIA_TYPE_NB];
AVPacket pkt1, *pkt = &pkt1;
AVFormatParameters params, *ap = ¶ms;
int eof=0;
int pkt_in_play_range = 0;
ic = avformat_alloc_context();
memset(st_index, -1, sizeof(st_index));
is->video_stream = -1;
is->audio_stream = -1;
is->subtitle_stream = -1;
global_video_state = is;
url_set_interrupt_cb(decode_interrupt_cb);
memset(ap, 0, sizeof(*ap));
ap->prealloced_context = 1;
ap->width = frame_width;
ap->height= frame_height;
ap->time_base= (AVRational){1, 25};
ap->pix_fmt = frame_pix_fmt;
set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
err = av_open_input_file(&ic, is->filename, is->iformat, 0, ap);
if (err < 0) {
print_error(is->filename, err);
ret = -1;
goto fail;
}
is->ic = ic;
if(genpts)
ic->flags |= AVFMT_FLAG_GENPTS;
err = av_find_stream_info(ic);
if (err < 0) {
fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
ret = -1;
goto fail;
}
if(ic->pb)
ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
if(seek_by_bytes<0)
seek_by_bytes= !!(ic->iformat->flags & AVFMT_TS_DISCONT);
/* if seeking requested, we execute it */
if (start_time != AV_NOPTS_VALUE) {
int64_t timestamp;
timestamp = start_time;
/* add the stream start time */
if (ic->start_time != AV_NOPTS_VALUE)
timestamp += ic->start_time;
ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
if (ret < 0) {
fprintf(stderr, "%s: could not seek to position %0.3f\n",
is->filename, (double)timestamp / AV_TIME_BASE);
}
}
for (i = 0; i < ic->nb_streams; i++)
ic->streams[i]->discard = AVDISCARD_ALL;
if (!video_disable)
st_index[AVMEDIA_TYPE_VIDEO] =
av_find_best_stream(ic, AVMEDIA_TYPE_VIDEO,
wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
if (!audio_disable)
st_index[AVMEDIA_TYPE_AUDIO] =
av_find_best_stream(ic, AVMEDIA_TYPE_AUDIO,
wanted_stream[AVMEDIA_TYPE_AUDIO],
st_index[AVMEDIA_TYPE_VIDEO],
NULL, 0);
if (!video_disable)
st_index[AVMEDIA_TYPE_SUBTITLE] =
av_find_best_stream(ic, AVMEDIA_TYPE_SUBTITLE,
wanted_stream[AVMEDIA_TYPE_SUBTITLE],
(st_index[AVMEDIA_TYPE_AUDIO] >= 0 ?
st_index[AVMEDIA_TYPE_AUDIO] :
st_index[AVMEDIA_TYPE_VIDEO]),
NULL, 0);
if (show_status) {
av_dump_format(ic, 0, is->filename, 0);
}
/* open the streams */
if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
stream_component_open(is, st_index[AVMEDIA_TYPE_AUDIO]);
}
ret=-1;
if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
ret= stream_component_open(is, st_index[AVMEDIA_TYPE_VIDEO]);
}
is->refresh_tid = SDL_CreateThread(refresh_thread, is);
if(ret<0) {
if (!display_disable)
is->show_audio = 2;
}
if (st_index[AVMEDIA_TYPE_SUBTITLE] >= 0) {
stream_component_open(is, st_index[AVMEDIA_TYPE_SUBTITLE]);
}
if (is->video_stream < 0 && is->audio_stream < 0) {
fprintf(stderr, "%s: could not open codecs\n", is->filename);
ret = -1;
goto fail;
}
for(;;) {
if (is->abort_request)
break;
if (is->paused != is->last_paused) {
is->last_paused = is->paused;
if (is->paused)
is->read_pause_return= av_read_pause(ic);
else
av_read_play(ic);
}
#if CONFIG_RTSP_DEMUXER
if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
/* wait 10 ms to avoid trying to get another packet */
/* XXX: horrible */
SDL_Delay(10);
continue;
}
#endif
if (is->seek_req) {
int64_t seek_target= is->seek_pos;
int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
//FIXME the +-2 is due to rounding being not done in the correct direction in generation
// of the seek_pos/seek_rel variables
ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
if (ret < 0) {
fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
}else{
if (is->audio_stream >= 0) {
packet_queue_flush(&is->audioq);
packet_queue_put(&is->audioq, &flush_pkt);
}
if (is->subtitle_stream >= 0) {
packet_queue_flush(&is->subtitleq);
packet_queue_put(&is->subtitleq, &flush_pkt);
}
if (is->video_stream >= 0) {
packet_queue_flush(&is->videoq);
packet_queue_put(&is->videoq, &flush_pkt);
}
}
is->seek_req = 0;
eof= 0;
}
/* if the queue are full, no need to read more */
if ( is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
|| ( (is->audioq .size > MIN_AUDIOQ_SIZE || is->audio_stream<0)
&& (is->videoq .nb_packets > MIN_FRAMES || is->video_stream<0)
&& (is->subtitleq.nb_packets > MIN_FRAMES || is->subtitle_stream<0))) {
/* wait 10 ms */
SDL_Delay(10);
continue;
}
if(eof) {
if(is->video_stream >= 0){
av_init_packet(pkt);
pkt->data=NULL;
pkt->size=0;
pkt->stream_index= is->video_stream;
packet_queue_put(&is->videoq, pkt);
}
SDL_Delay(10);
if(is->audioq.size + is->videoq.size + is->subtitleq.size ==0){
if(loop!=1 && (!loop || --loop)){
stream_seek(cur_stream, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
}else if(autoexit){
ret=AVERROR_EOF;
goto fail;
}
}
continue;
}
ret = av_read_frame(ic, pkt);
if (ret < 0) {
if (ret == AVERROR_EOF || ic->pb->eof_reached)
eof=1;
if (ic->pb->error)
break;
SDL_Delay(100); /* wait for user event */
continue;
}
/* check if packet is in play range specified by user, then queue, otherwise discard */
pkt_in_play_range = duration == AV_NOPTS_VALUE ||
(pkt->pts - ic->streams[pkt->stream_index]->start_time) *
av_q2d(ic->streams[pkt->stream_index]->time_base) -
(double)(start_time != AV_NOPTS_VALUE ? start_time : 0)/1000000
<= ((double)duration/1000000);
if (pkt->stream_index == is->audio_stream && pkt_in_play_range) {
packet_queue_put(&is->audioq, pkt);
} else if (pkt->stream_index == is->video_stream && pkt_in_play_range) {
packet_queue_put(&is->videoq, pkt);
} else if (pkt->stream_index == is->subtitle_stream && pkt_in_play_range) {
packet_queue_put(&is->subtitleq, pkt);
} else {
av_free_packet(pkt);
}
}
/* wait until the end */
while (!is->abort_request) {
SDL_Delay(100);
}
ret = 0;
fail:
/* disable interrupting */
global_video_state = NULL;
/* close each stream */
if (is->audio_stream >= 0)
stream_component_close(is, is->audio_stream);
if (is->video_stream >= 0)
stream_component_close(is, is->video_stream);
if (is->subtitle_stream >= 0)
stream_component_close(is, is->subtitle_stream);
if (is->ic) {
av_close_input_file(is->ic);
is->ic = NULL; /* safety */
}
url_set_interrupt_cb(NULL);
if (ret != 0) {
SDL_Event event;
event.type = FF_QUIT_EVENT;
event.user.data1 = is;
SDL_PushEvent(&event);
}
return 0;
}
| 10,677 |
qemu | 016d2e1dfa21b64a524d3629fdd317d4c25bc3b8 | 1 | static int restore_sigcontext(CPUSH4State *regs, struct target_sigcontext *sc,
target_ulong *r0_p)
{
unsigned int err = 0;
int i;
#define COPY(x) __get_user(regs->x, &sc->sc_##x)
COPY(gregs[1]);
COPY(gregs[2]); COPY(gregs[3]);
COPY(gregs[4]); COPY(gregs[5]);
COPY(gregs[6]); COPY(gregs[7]);
COPY(gregs[8]); COPY(gregs[9]);
COPY(gregs[10]); COPY(gregs[11]);
COPY(gregs[12]); COPY(gregs[13]);
COPY(gregs[14]); COPY(gregs[15]);
COPY(gbr); COPY(mach);
COPY(macl); COPY(pr);
COPY(sr); COPY(pc);
#undef COPY
for (i=0; i<16; i++) {
__get_user(regs->fregs[i], &sc->sc_fpregs[i]);
}
__get_user(regs->fpscr, &sc->sc_fpscr);
__get_user(regs->fpul, &sc->sc_fpul);
regs->tra = -1; /* disable syscall checks */
__get_user(*r0_p, &sc->sc_gregs[0]);
return err;
}
| 10,678 |
qemu | d9bce9d99f4656ae0b0127f7472db9067b8f84ab | 1 | void do_rfi (void)
{
env->nip = env->spr[SPR_SRR0] & ~0x00000003;
T0 = env->spr[SPR_SRR1] & ~0xFFFF0000UL;
do_store_msr(env, T0);
#if defined (DEBUG_OP)
dump_rfi();
#endif
env->interrupt_request |= CPU_INTERRUPT_EXITTB;
}
| 10,680 |
qemu | 9a826d7854baf6b90de46fea785d1bfc5d2c22a7 | 1 | restore_sigcontext(CPUX86State *env, struct target_sigcontext *sc, int *peax)
{
unsigned int err = 0;
abi_ulong fpstate_addr;
unsigned int tmpflags;
cpu_x86_load_seg(env, R_GS, tswap16(sc->gs));
cpu_x86_load_seg(env, R_FS, tswap16(sc->fs));
cpu_x86_load_seg(env, R_ES, tswap16(sc->es));
cpu_x86_load_seg(env, R_DS, tswap16(sc->ds));
env->regs[R_EDI] = tswapl(sc->edi);
env->regs[R_ESI] = tswapl(sc->esi);
env->regs[R_EBP] = tswapl(sc->ebp);
env->regs[R_ESP] = tswapl(sc->esp);
env->regs[R_EBX] = tswapl(sc->ebx);
env->regs[R_EDX] = tswapl(sc->edx);
env->regs[R_ECX] = tswapl(sc->ecx);
env->eip = tswapl(sc->eip);
cpu_x86_load_seg(env, R_CS, lduw(&sc->cs) | 3);
cpu_x86_load_seg(env, R_SS, lduw(&sc->ss) | 3);
tmpflags = tswapl(sc->eflags);
env->eflags = (env->eflags & ~0x40DD5) | (tmpflags & 0x40DD5);
// regs->orig_eax = -1; /* disable syscall checks */
fpstate_addr = tswapl(sc->fpstate);
if (fpstate_addr != 0) {
if (!access_ok(VERIFY_READ, fpstate_addr,
sizeof(struct target_fpstate)))
goto badframe;
cpu_x86_frstor(env, fpstate_addr, 1);
}
*peax = tswapl(sc->eax);
return err;
badframe:
return 1;
}
| 10,681 |
qemu | bec1e9546e03b9e7f5152cf3e8c95cf8acff5e12 | 1 | static ssize_t local_readlink(FsContext *fs_ctx, V9fsPath *fs_path,
char *buf, size_t bufsz)
{
ssize_t tsize = -1;
char *buffer;
char *path = fs_path->data;
if ((fs_ctx->export_flags & V9FS_SM_MAPPED) ||
(fs_ctx->export_flags & V9FS_SM_MAPPED_FILE)) {
int fd;
buffer = rpath(fs_ctx, path);
fd = open(buffer, O_RDONLY | O_NOFOLLOW);
g_free(buffer);
if (fd == -1) {
return -1;
}
do {
tsize = read(fd, (void *)buf, bufsz);
} while (tsize == -1 && errno == EINTR);
close(fd);
} else if ((fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) ||
(fs_ctx->export_flags & V9FS_SM_NONE)) {
buffer = rpath(fs_ctx, path);
tsize = readlink(buffer, buf, bufsz);
g_free(buffer);
}
return tsize;
}
| 10,682 |
qemu | 24ec2863b147aadd8cbd63f87ad0467210164304 | 1 | static void htab_save_first_pass(QEMUFile *f, sPAPRMachineState *spapr,
int64_t max_ns)
{
bool has_timeout = max_ns != -1;
int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64;
int index = spapr->htab_save_index;
int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
assert(spapr->htab_first_pass);
do {
int chunkstart;
/* Consume invalid HPTEs */
while ((index < htabslots)
&& !HPTE_VALID(HPTE(spapr->htab, index))) {
index++;
CLEAN_HPTE(HPTE(spapr->htab, index));
}
/* Consume valid HPTEs */
chunkstart = index;
while ((index < htabslots) && (index - chunkstart < USHRT_MAX)
&& HPTE_VALID(HPTE(spapr->htab, index))) {
index++;
CLEAN_HPTE(HPTE(spapr->htab, index));
}
if (index > chunkstart) {
int n_valid = index - chunkstart;
qemu_put_be32(f, chunkstart);
qemu_put_be16(f, n_valid);
qemu_put_be16(f, 0);
qemu_put_buffer(f, HPTE(spapr->htab, chunkstart),
HASH_PTE_SIZE_64 * n_valid);
if (has_timeout &&
(qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) {
break;
}
}
} while ((index < htabslots) && !qemu_file_rate_limit(f));
if (index >= htabslots) {
assert(index == htabslots);
index = 0;
spapr->htab_first_pass = false;
}
spapr->htab_save_index = index;
}
| 10,684 |
qemu | 966439a67830239a6c520c5df6c55627b8153c8b | 1 | void OPPROTO op_check_addo_64 (void)
{
if (likely(!(((uint64_t)T2 ^ (uint64_t)T1 ^ UINT64_MAX) &
((uint64_t)T2 ^ (uint64_t)T0) & (1ULL << 63)))) {
xer_ov = 0;
} else {
xer_so = 1;
xer_ov = 1;
}
RETURN();
}
| 10,686 |
qemu | 21ef45d71221b4577330fe3aacfb06afad91ad46 | 1 | static void vnc_dpy_resize(DisplayChangeListener *dcl,
DisplayState *ds)
{
VncDisplay *vd = ds->opaque;
VncState *vs;
vnc_abort_display_jobs(vd);
/* server surface */
qemu_pixman_image_unref(vd->server);
vd->server = pixman_image_create_bits(VNC_SERVER_FB_FORMAT,
ds_get_width(ds),
ds_get_height(ds),
NULL, 0);
/* guest surface */
#if 0 /* FIXME */
if (ds_get_bytes_per_pixel(ds) != vd->guest.ds->pf.bytes_per_pixel)
console_color_init(ds);
#endif
qemu_pixman_image_unref(vd->guest.fb);
vd->guest.fb = pixman_image_ref(ds->surface->image);
vd->guest.format = ds->surface->format;
memset(vd->guest.dirty, 0xFF, sizeof(vd->guest.dirty));
QTAILQ_FOREACH(vs, &vd->clients, next) {
vnc_colordepth(vs);
vnc_desktop_resize(vs);
if (vs->vd->cursor) {
vnc_cursor_define(vs);
}
memset(vs->dirty, 0xFF, sizeof(vs->dirty));
}
}
| 10,687 |
qemu | 1b0952445522af73b0e78420a9078b3653923703 | 1 | void hbitmap_iter_init(HBitmapIter *hbi, const HBitmap *hb, uint64_t first)
{
unsigned i, bit;
uint64_t pos;
hbi->hb = hb;
pos = first >> hb->granularity;
hbi->pos = pos >> BITS_PER_LEVEL;
hbi->granularity = hb->granularity;
for (i = HBITMAP_LEVELS; i-- > 0; ) {
bit = pos & (BITS_PER_LONG - 1);
pos >>= BITS_PER_LEVEL;
/* Drop bits representing items before first. */
hbi->cur[i] = hb->levels[i][pos] & ~((1UL << bit) - 1);
/* We have already added level i+1, so the lowest set bit has
* been processed. Clear it.
*/
if (i != HBITMAP_LEVELS - 1) {
hbi->cur[i] &= ~(1UL << bit);
}
}
} | 10,688 |
qemu | b9a0be9239ef58630c6b436ac7ed2cf0bc3a028d | 1 | print_ipc_cmd(int cmd)
{
#define output_cmd(val) \
if( cmd == val ) { \
gemu_log(#val); \
return; \
}
cmd &= 0xff;
/* General IPC commands */
output_cmd( IPC_RMID );
output_cmd( IPC_SET );
output_cmd( IPC_STAT );
output_cmd( IPC_INFO );
/* msgctl() commands */
#ifdef __USER_MISC
output_cmd( MSG_STAT );
output_cmd( MSG_INFO );
#endif
/* shmctl() commands */
output_cmd( SHM_LOCK );
output_cmd( SHM_UNLOCK );
output_cmd( SHM_STAT );
output_cmd( SHM_INFO );
/* semctl() commands */
output_cmd( GETPID );
output_cmd( GETVAL );
output_cmd( GETALL );
output_cmd( GETNCNT );
output_cmd( GETZCNT );
output_cmd( SETVAL );
output_cmd( SETALL );
output_cmd( SEM_STAT );
output_cmd( SEM_INFO );
output_cmd( IPC_RMID );
output_cmd( IPC_RMID );
output_cmd( IPC_RMID );
output_cmd( IPC_RMID );
output_cmd( IPC_RMID );
output_cmd( IPC_RMID );
output_cmd( IPC_RMID );
output_cmd( IPC_RMID );
output_cmd( IPC_RMID );
/* Some value we don't recognize */
gemu_log("%d",cmd);
}
| 10,689 |
FFmpeg | d445a7e9cc31b94ab1eceb228a7634c79d37496e | 1 | static void extract_mpeg4_header(AVFormatContext *infile)
{
int mpeg4_count, i, size;
AVPacket pkt;
AVStream *st;
const uint8_t *p;
mpeg4_count = 0;
for(i=0;i<infile->nb_streams;i++) {
st = infile->streams[i];
if (st->codec.codec_id == CODEC_ID_MPEG4 &&
st->codec.extradata_size == 0) {
mpeg4_count++;
}
}
if (!mpeg4_count)
return;
printf("MPEG4 without extra data: trying to find header\n");
while (mpeg4_count > 0) {
if (av_read_packet(infile, &pkt) < 0)
break;
st = infile->streams[pkt.stream_index];
if (st->codec.codec_id == CODEC_ID_MPEG4 &&
st->codec.extradata_size == 0) {
av_freep(&st->codec.extradata);
/* fill extradata with the header */
/* XXX: we make hard suppositions here ! */
p = pkt.data;
while (p < pkt.data + pkt.size - 4) {
/* stop when vop header is found */
if (p[0] == 0x00 && p[1] == 0x00 &&
p[2] == 0x01 && p[3] == 0xb6) {
size = p - pkt.data;
// av_hex_dump(pkt.data, size);
st->codec.extradata = av_malloc(size);
st->codec.extradata_size = size;
memcpy(st->codec.extradata, pkt.data, size);
break;
}
p++;
}
mpeg4_count--;
}
av_free_packet(&pkt);
}
}
| 10,690 |
FFmpeg | 6fb2fd895e858ab93f46e656a322778ee181c307 | 1 | void avfilter_unref_buffer(AVFilterBufferRef *ref)
{
if (!ref)
return;
av_assert0(ref->buf->refcount > 0);
if (!(--ref->buf->refcount)) {
if (!ref->buf->free) {
store_in_pool(ref);
return;
}
ref->buf->free(ref->buf);
}
if (ref->extended_data != ref->data)
av_freep(&ref->extended_data);
if (ref->video)
av_freep(&ref->video->qp_table);
av_freep(&ref->video);
av_freep(&ref->audio);
av_free(ref);
} | 10,691 |
qemu | 15c2f669e3fb2bc97f7b42d1871f595c0ac24af8 | 1 | QmpInputVisitor *qmp_input_visitor_new(QObject *obj, bool strict)
{
QmpInputVisitor *v;
v = g_malloc0(sizeof(*v));
v->visitor.type = VISITOR_INPUT;
v->visitor.start_struct = qmp_input_start_struct;
v->visitor.end_struct = qmp_input_end_struct;
v->visitor.start_list = qmp_input_start_list;
v->visitor.next_list = qmp_input_next_list;
v->visitor.end_list = qmp_input_end_list;
v->visitor.start_alternate = qmp_input_start_alternate;
v->visitor.type_int64 = qmp_input_type_int64;
v->visitor.type_uint64 = qmp_input_type_uint64;
v->visitor.type_bool = qmp_input_type_bool;
v->visitor.type_str = qmp_input_type_str;
v->visitor.type_number = qmp_input_type_number;
v->visitor.type_any = qmp_input_type_any;
v->visitor.type_null = qmp_input_type_null;
v->visitor.optional = qmp_input_optional;
v->strict = strict;
v->root = obj;
qobject_incref(obj);
return v;
}
| 10,693 |
qemu | b2b012afdd9c03ba8a1619f45301d34f358d367b | 1 | static void imx_eth_enable_rx(IMXFECState *s)
{
IMXFECBufDesc bd;
bool rx_ring_full;
imx_fec_read_bd(&bd, s->rx_descriptor);
rx_ring_full = !(bd.flags & ENET_BD_E);
if (rx_ring_full) {
FEC_PRINTF("RX buffer full\n");
} else if (!s->regs[ENET_RDAR]) {
qemu_flush_queued_packets(qemu_get_queue(s->nic));
}
s->regs[ENET_RDAR] = rx_ring_full ? 0 : ENET_RDAR_RDAR;
}
| 10,694 |
FFmpeg | c23acbaed40101c677dfcfbbfe0d2c230a8e8f44 | 1 | static inline void FUNC(idctSparseColAdd)(pixel *dest, int line_size,
DCTELEM *col)
{
int a0, a1, a2, a3, b0, b1, b2, b3;
INIT_CLIP;
IDCT_COLS;
dest[0] = CLIP(dest[0] + ((a0 + b0) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a1 + b1) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a2 + b2) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a3 + b3) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a3 - b3) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a2 - b2) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a1 - b1) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a0 - b0) >> COL_SHIFT));
}
| 10,695 |
FFmpeg | 640a2427aafa774b83316b7a8c5c2bdc28bfd269 | 1 | static int bfi_read_packet(AVFormatContext * s, AVPacket * pkt)
{
BFIContext *bfi = s->priv_data;
AVIOContext *pb = s->pb;
int ret, audio_offset, video_offset, chunk_size, audio_size = 0;
if (bfi->nframes == 0 || pb->eof_reached) {
return AVERROR(EIO);
/* If all previous chunks were completely read, then find a new one... */
if (!bfi->avflag) {
uint32_t state = 0;
while(state != MKTAG('S','A','V','I')){
if (pb->eof_reached)
return AVERROR(EIO);
state = 256*state + avio_r8(pb);
/* Now that the chunk's location is confirmed, we proceed... */
chunk_size = avio_rl32(pb);
avio_rl32(pb);
audio_offset = avio_rl32(pb);
avio_rl32(pb);
video_offset = avio_rl32(pb);
audio_size = video_offset - audio_offset;
bfi->video_size = chunk_size - video_offset;
//Tossing an audio packet at the audio decoder.
ret = av_get_packet(pb, pkt, audio_size);
if (ret < 0)
return ret;
pkt->pts = bfi->audio_frame;
bfi->audio_frame += ret;
} else if (bfi->video_size > 0) {
//Tossing a video packet at the video decoder.
ret = av_get_packet(pb, pkt, bfi->video_size);
if (ret < 0)
return ret;
pkt->pts = bfi->video_frame;
bfi->video_frame += ret / bfi->video_size;
/* One less frame to read. A cursory decrement. */
bfi->nframes--;
} else {
/* Empty video packet */
ret = AVERROR(EAGAIN);
bfi->avflag = !bfi->avflag;
pkt->stream_index = bfi->avflag;
return ret;
| 10,696 |
FFmpeg | 836fc7778513fa97c1852444155f82627ecbb8cd | 1 | static int mpc7_decode_frame(AVCodecContext * avctx,
void *data, int *data_size,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MPCContext *c = avctx->priv_data;
GetBitContext gb;
uint8_t *bits;
int i, ch, t;
int mb = -1;
Band *bands = c->bands;
int off;
int bits_used, bits_avail;
memset(bands, 0, sizeof(bands));
if(buf_size <= 4){
av_log(avctx, AV_LOG_ERROR, "Too small buffer passed (%i bytes)\n", buf_size);
}
bits = av_malloc(((buf_size - 1) & ~3) + FF_INPUT_BUFFER_PADDING_SIZE);
c->dsp.bswap_buf((uint32_t*)bits, (const uint32_t*)(buf + 4), (buf_size - 4) >> 2);
init_get_bits(&gb, bits, (buf_size - 4)* 8);
skip_bits(&gb, buf[0]);
/* read subband indexes */
for(i = 0; i <= c->maxbands; i++){
for(ch = 0; ch < 2; ch++){
if(i) t = get_vlc2(&gb, hdr_vlc.table, MPC7_HDR_BITS, 1) - 5;
if(!i || (t == 4)) bands[i].res[ch] = get_bits(&gb, 4);
else bands[i].res[ch] = bands[i-1].res[ch] + t;
}
if(bands[i].res[0] || bands[i].res[1]){
mb = i;
if(c->MSS) bands[i].msf = get_bits1(&gb);
}
}
/* get scale indexes coding method */
for(i = 0; i <= mb; i++)
for(ch = 0; ch < 2; ch++)
if(bands[i].res[ch]) bands[i].scfi[ch] = get_vlc2(&gb, scfi_vlc.table, MPC7_SCFI_BITS, 1);
/* get scale indexes */
for(i = 0; i <= mb; i++){
for(ch = 0; ch < 2; ch++){
if(bands[i].res[ch]){
bands[i].scf_idx[ch][2] = c->oldDSCF[ch][i];
bands[i].scf_idx[ch][0] = get_scale_idx(&gb, bands[i].scf_idx[ch][2]);
switch(bands[i].scfi[ch]){
case 0:
bands[i].scf_idx[ch][1] = get_scale_idx(&gb, bands[i].scf_idx[ch][0]);
bands[i].scf_idx[ch][2] = get_scale_idx(&gb, bands[i].scf_idx[ch][1]);
break;
case 1:
bands[i].scf_idx[ch][1] = get_scale_idx(&gb, bands[i].scf_idx[ch][0]);
bands[i].scf_idx[ch][2] = bands[i].scf_idx[ch][1];
break;
case 2:
bands[i].scf_idx[ch][1] = bands[i].scf_idx[ch][0];
bands[i].scf_idx[ch][2] = get_scale_idx(&gb, bands[i].scf_idx[ch][1]);
break;
case 3:
bands[i].scf_idx[ch][2] = bands[i].scf_idx[ch][1] = bands[i].scf_idx[ch][0];
break;
}
c->oldDSCF[ch][i] = bands[i].scf_idx[ch][2];
}
}
}
/* get quantizers */
memset(c->Q, 0, sizeof(c->Q));
off = 0;
for(i = 0; i < BANDS; i++, off += SAMPLES_PER_BAND)
for(ch = 0; ch < 2; ch++)
idx_to_quant(c, &gb, bands[i].res[ch], c->Q[ch] + off);
ff_mpc_dequantize_and_synth(c, mb, data);
av_free(bits);
bits_used = get_bits_count(&gb);
bits_avail = (buf_size - 4) * 8;
if(!buf[1] && ((bits_avail < bits_used) || (bits_used + 32 <= bits_avail))){
av_log(NULL,0, "Error decoding frame: used %i of %i bits\n", bits_used, bits_avail);
return -1;
}
if(c->frames_to_skip){
c->frames_to_skip--;
*data_size = 0;
return buf_size;
}
*data_size = (buf[1] ? c->lastframelen : MPC_FRAME_SIZE) * 4;
return buf_size;
}
| 10,697 |
FFmpeg | f63166f8dff65942c633adf32da9847ee1da3a47 | 1 | static void qpeg_decode_intra(uint8_t *src, uint8_t *dst, int size,
int stride, int width, int height)
{
int i;
int code;
int c0, c1;
int run, copy;
int filled = 0;
height--;
dst = dst + height * stride;
while(size > 0) {
code = *src++;
size--;
run = copy = 0;
if(code == 0xFC) /* end-of-picture code */
break;
if(code >= 0xF8) { /* very long run */
c0 = *src++;
c1 = *src++;
size -= 2;
run = ((code & 0x7) << 16) + (c0 << 8) + c1 + 2;
} else if (code >= 0xF0) { /* long run */
c0 = *src++;
size--;
run = ((code & 0xF) << 8) + c0 + 2;
} else if (code >= 0xE0) { /* short run */
run = (code & 0x1F) + 2;
} else if (code >= 0xC0) { /* very long copy */
c0 = *src++;
c1 = *src++;
size -= 2;
copy = ((code & 0x3F) << 16) + (c0 << 8) + c1 + 1;
} else if (code >= 0x80) { /* long copy */
c0 = *src++;
size--;
copy = ((code & 0x7F) << 8) + c0 + 1;
} else { /* short copy */
copy = code + 1;
}
/* perform actual run or copy */
if(run) {
int p;
p = *src++;
size--;
for(i = 0; i < run; i++) {
dst[filled++] = p;
if (filled >= width) {
filled = 0;
dst -= stride;
}
}
} else {
for(i = 0; i < copy; i++) {
dst[filled++] = *src++;
if (filled >= width) {
filled = 0;
dst -= stride;
}
}
size -= copy;
}
}
}
| 10,698 |
qemu | 983bff3530782d51c46c8d7c0e17e2a9dfe5fb77 | 1 | static void usb_mtp_handle_reset(USBDevice *dev)
{
MTPState *s = USB_MTP(dev);
trace_usb_mtp_reset(s->dev.addr);
#ifdef __linux__
usb_mtp_inotify_cleanup(s);
#endif
usb_mtp_object_free(s, QTAILQ_FIRST(&s->objects));
s->session = 0;
usb_mtp_data_free(s->data_in);
s->data_in = NULL;
usb_mtp_data_free(s->data_out);
s->data_out = NULL;
g_free(s->result);
s->result = NULL;
}
| 10,700 |
qemu | 21e00fa55f3fdfcbb20da7c6876c91ef3609b387 | 0 | int vfio_region_mmap(VFIORegion *region)
{
int i, prot = 0;
char *name;
if (!region->mem) {
return 0;
}
prot |= region->flags & VFIO_REGION_INFO_FLAG_READ ? PROT_READ : 0;
prot |= region->flags & VFIO_REGION_INFO_FLAG_WRITE ? PROT_WRITE : 0;
for (i = 0; i < region->nr_mmaps; i++) {
region->mmaps[i].mmap = mmap(NULL, region->mmaps[i].size, prot,
MAP_SHARED, region->vbasedev->fd,
region->fd_offset +
region->mmaps[i].offset);
if (region->mmaps[i].mmap == MAP_FAILED) {
int ret = -errno;
trace_vfio_region_mmap_fault(memory_region_name(region->mem), i,
region->fd_offset +
region->mmaps[i].offset,
region->fd_offset +
region->mmaps[i].offset +
region->mmaps[i].size - 1, ret);
region->mmaps[i].mmap = NULL;
for (i--; i >= 0; i--) {
memory_region_del_subregion(region->mem, ®ion->mmaps[i].mem);
munmap(region->mmaps[i].mmap, region->mmaps[i].size);
object_unparent(OBJECT(®ion->mmaps[i].mem));
region->mmaps[i].mmap = NULL;
}
return ret;
}
name = g_strdup_printf("%s mmaps[%d]",
memory_region_name(region->mem), i);
memory_region_init_ram_ptr(®ion->mmaps[i].mem,
memory_region_owner(region->mem),
name, region->mmaps[i].size,
region->mmaps[i].mmap);
g_free(name);
memory_region_set_skip_dump(®ion->mmaps[i].mem);
memory_region_add_subregion(region->mem, region->mmaps[i].offset,
®ion->mmaps[i].mem);
trace_vfio_region_mmap(memory_region_name(®ion->mmaps[i].mem),
region->mmaps[i].offset,
region->mmaps[i].offset +
region->mmaps[i].size - 1);
}
return 0;
}
| 10,701 |
qemu | e8ede0a8bb5298a6979bcf7ed84ef64a64a4e3fe | 0 | float64 HELPER(ucf64_subd)(float64 a, float64 b, CPUUniCore32State *env)
{
return float64_sub(a, b, &env->ucf64.fp_status);
}
| 10,702 |
qemu | 7bd427d801e1e3293a634d3c83beadaa90ffb911 | 0 | static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
{
TextConsole *s;
static int color_inited;
s = chr->opaque;
chr->chr_write = console_puts;
chr->chr_send_event = console_send_event;
s->out_fifo.buf = s->out_fifo_buf;
s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
s->kbd_timer = qemu_new_timer(rt_clock, kbd_send_chars, s);
s->ds = ds;
if (!color_inited) {
color_inited = 1;
console_color_init(s->ds);
}
s->y_displayed = 0;
s->y_base = 0;
s->total_height = DEFAULT_BACKSCROLL;
s->x = 0;
s->y = 0;
if (s->console_type == TEXT_CONSOLE) {
s->g_width = ds_get_width(s->ds);
s->g_height = ds_get_height(s->ds);
}
s->hw_invalidate = text_console_invalidate;
s->hw_text_update = text_console_update;
s->hw = s;
/* Set text attribute defaults */
s->t_attrib_default.bold = 0;
s->t_attrib_default.uline = 0;
s->t_attrib_default.blink = 0;
s->t_attrib_default.invers = 0;
s->t_attrib_default.unvisible = 0;
s->t_attrib_default.fgcol = COLOR_WHITE;
s->t_attrib_default.bgcol = COLOR_BLACK;
/* set current text attributes to default */
s->t_attrib = s->t_attrib_default;
text_console_resize(s);
if (chr->label) {
char msg[128];
int len;
s->t_attrib.bgcol = COLOR_BLUE;
len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
console_puts(chr, (uint8_t*)msg, len);
s->t_attrib = s->t_attrib_default;
}
qemu_chr_generic_open(chr);
if (chr->init)
chr->init(chr);
}
| 10,703 |
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