project
stringclasses 2
values | commit_id
stringlengths 40
40
| target
int64 0
1
| func
stringlengths 26
142k
| idx
int64 0
27.3k
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qemu | a12a5a1a0132527afe87c079e4aae4aad372bd94 | 1 | static void test_validate_fail_struct(TestInputVisitorData *data,
const void *unused)
{
TestStruct *p = NULL;
Error *err = NULL;
Visitor *v;
v = validate_test_init(data, "{ 'integer': -42, 'boolean': true, 'string': 'foo', 'extra': 42 }");
visit_type_TestStruct(v, &p, NULL, &err);
g_assert(err);
error_free(err);
if (p) {
g_free(p->string);
}
g_free(p);
}
| 17,333 |
FFmpeg | d509c743b78da198af385fea362b632292cd00ad | 1 | static int dv_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
unsigned state;
RawDVContext *c = s->priv_data;
c->dv_demux = dv_init_demux(s);
if (!c->dv_demux)
return -1;
state = get_be32(s->pb);
while ((state & 0xffffff7f) != 0x1f07003f) {
if (url_feof(s->pb)) {
av_log(s, AV_LOG_ERROR, "Cannot find DV header.\n");
return -1;
}
state = (state << 8) | get_byte(s->pb);
}
AV_WB32(c->buf, state);
if (get_buffer(s->pb, c->buf + 4, DV_PROFILE_BYTES - 4) <= 0 ||
url_fseek(s->pb, -DV_PROFILE_BYTES, SEEK_CUR) < 0)
return AVERROR(EIO);
c->dv_demux->sys = dv_frame_profile(c->buf);
if (!c->dv_demux->sys) {
av_log(s, AV_LOG_ERROR, "Can't determine profile of DV input stream.\n");
return -1;
}
s->bit_rate = av_rescale_q(c->dv_demux->sys->frame_size, (AVRational){8,1},
c->dv_demux->sys->time_base);
return 0;
}
| 17,334 |
FFmpeg | 643fd8a198ddb67225f5edd503f8f151d13635a3 | 1 | int ff_mjpeg_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MJpegDecodeContext *s = avctx->priv_data;
const uint8_t *buf_end, *buf_ptr;
int start_code;
AVFrame *picture = data;
s->got_picture = 0; // picture from previous image can not be reused
buf_ptr = buf;
buf_end = buf + buf_size;
while (buf_ptr < buf_end) {
/* find start next marker */
start_code = find_marker(&buf_ptr, buf_end);
{
/* EOF */
if (start_code < 0) {
goto the_end;
} else {
av_log(avctx, AV_LOG_DEBUG, "marker=%x avail_size_in_buf=%td\n", start_code, buf_end - buf_ptr);
if ((buf_end - buf_ptr) > s->buffer_size)
{
av_free(s->buffer);
s->buffer_size = buf_end-buf_ptr;
s->buffer = av_malloc(s->buffer_size + FF_INPUT_BUFFER_PADDING_SIZE);
av_log(avctx, AV_LOG_DEBUG, "buffer too small, expanding to %d bytes\n",
s->buffer_size);
/* unescape buffer of SOS, use special treatment for JPEG-LS */
if (start_code == SOS && !s->ls)
{
const uint8_t *src = buf_ptr;
uint8_t *dst = s->buffer;
while (src<buf_end)
{
uint8_t x = *(src++);
*(dst++) = x;
if (avctx->codec_id != CODEC_ID_THP)
{
if (x == 0xff) {
while (src < buf_end && x == 0xff)
x = *(src++);
if (x >= 0xd0 && x <= 0xd7)
*(dst++) = x;
else if (x)
init_get_bits(&s->gb, s->buffer, (dst - s->buffer)*8);
av_log(avctx, AV_LOG_DEBUG, "escaping removed %td bytes\n",
(buf_end - buf_ptr) - (dst - s->buffer));
else if(start_code == SOS && s->ls){
const uint8_t *src = buf_ptr;
uint8_t *dst = s->buffer;
int bit_count = 0;
int t = 0, b = 0;
PutBitContext pb;
s->cur_scan++;
/* find marker */
while (src + t < buf_end){
uint8_t x = src[t++];
if (x == 0xff){
while((src + t < buf_end) && x == 0xff)
x = src[t++];
if (x & 0x80) {
t -= 2;
bit_count = t * 8;
init_put_bits(&pb, dst, t);
/* unescape bitstream */
while(b < t){
uint8_t x = src[b++];
put_bits(&pb, 8, x);
if(x == 0xFF){
x = src[b++];
put_bits(&pb, 7, x);
bit_count--;
flush_put_bits(&pb);
init_get_bits(&s->gb, dst, bit_count);
else
init_get_bits(&s->gb, buf_ptr, (buf_end - buf_ptr)*8);
s->start_code = start_code;
if(s->avctx->debug & FF_DEBUG_STARTCODE){
av_log(avctx, AV_LOG_DEBUG, "startcode: %X\n", start_code);
/* process markers */
if (start_code >= 0xd0 && start_code <= 0xd7) {
av_log(avctx, AV_LOG_DEBUG, "restart marker: %d\n", start_code&0x0f);
/* APP fields */
} else if (start_code >= APP0 && start_code <= APP15) {
mjpeg_decode_app(s);
/* Comment */
} else if (start_code == COM){
mjpeg_decode_com(s);
switch(start_code) {
case SOI:
s->restart_interval = 0;
s->restart_count = 0;
/* nothing to do on SOI */
case DQT:
ff_mjpeg_decode_dqt(s);
case DHT:
if(ff_mjpeg_decode_dht(s) < 0){
av_log(avctx, AV_LOG_ERROR, "huffman table decode error\n");
return -1;
case SOF0:
s->lossless=0;
s->ls=0;
s->progressive=0;
if (ff_mjpeg_decode_sof(s) < 0)
return -1;
case SOF2:
s->lossless=0;
s->ls=0;
s->progressive=1;
if (ff_mjpeg_decode_sof(s) < 0)
return -1;
case SOF3:
s->lossless=1;
s->ls=0;
s->progressive=0;
if (ff_mjpeg_decode_sof(s) < 0)
return -1;
case SOF48:
s->lossless=1;
s->ls=1;
s->progressive=0;
if (ff_mjpeg_decode_sof(s) < 0)
return -1;
case LSE:
if (!CONFIG_JPEGLS_DECODER || ff_jpegls_decode_lse(s) < 0)
return -1;
case EOI:
s->cur_scan = 0;
if ((s->buggy_avid && !s->interlaced) || s->restart_interval)
eoi_parser:
av_log(avctx, AV_LOG_WARNING, "Found EOI before any SOF, ignoring\n");
{
if (s->interlaced) {
s->bottom_field ^= 1;
/* if not bottom field, do not output image yet */
if (s->bottom_field == !s->interlace_polarity)
goto not_the_end;
*picture = s->picture;
*data_size = sizeof(AVFrame);
if(!s->lossless){
picture->quality= FFMAX3(s->qscale[0], s->qscale[1], s->qscale[2]);
picture->qstride= 0;
picture->qscale_table= s->qscale_table;
memset(picture->qscale_table, picture->quality, (s->width+15)/16);
if(avctx->debug & FF_DEBUG_QP)
av_log(avctx, AV_LOG_DEBUG, "QP: %d\n", picture->quality);
picture->quality*= FF_QP2LAMBDA;
goto the_end;
case SOS:
ff_mjpeg_decode_sos(s);
/* buggy avid puts EOI every 10-20th frame */
/* if restart period is over process EOI */
if ((s->buggy_avid && !s->interlaced) || s->restart_interval)
goto eoi_parser;
case DRI:
mjpeg_decode_dri(s);
case SOF1:
case SOF5:
case SOF6:
case SOF7:
case SOF9:
case SOF10:
case SOF11:
case SOF13:
case SOF14:
case SOF15:
case JPG:
av_log(avctx, AV_LOG_ERROR, "mjpeg: unsupported coding type (%x)\n", start_code);
// default:
// printf("mjpeg: unsupported marker (%x)\n", start_code);
// break;
not_the_end:
/* eof process start code */
buf_ptr += (get_bits_count(&s->gb)+7)/8;
av_log(avctx, AV_LOG_DEBUG, "marker parser used %d bytes (%d bits)\n",
(get_bits_count(&s->gb)+7)/8, get_bits_count(&s->gb));
the_end:
av_log(avctx, AV_LOG_DEBUG, "mjpeg decode frame unused %td bytes\n", buf_end - buf_ptr);
// return buf_end - buf_ptr;
return buf_ptr - buf;
| 17,335 |
qemu | 8b33d9eeba91422ee2d73b6936ad57262d18cf5a | 1 | static int raw_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors)
{
if (check_write_unsafe(bs, sector_num, buf, nb_sectors)) {
int ret;
ret = raw_write_scrubbed_bootsect(bs, buf);
if (ret < 0) {
return ret;
}
ret = bdrv_write(bs->file, 1, buf + 512, nb_sectors - 1);
if (ret < 0) {
return ret;
}
return ret + 512;
}
return bdrv_write(bs->file, sector_num, buf, nb_sectors);
}
| 17,339 |
FFmpeg | 9525243f59f0a13e099612b66f7ba5d5d5293c70 | 1 | void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4],
const AVPixFmtDescriptor *desc, int x, int y, int c, int w, int read_pal_component)
{
AVComponentDescriptor comp= desc->comp[c];
int plane= comp.plane;
int depth= comp.depth_minus1+1;
int mask = (1<<depth)-1;
int shift= comp.shift;
int step = comp.step_minus1+1;
int flags= desc->flags;
if (flags & PIX_FMT_BITSTREAM){
int skip = x*step + comp.offset_plus1-1;
const uint8_t *p = data[plane] + y*linesize[plane] + (skip>>3);
int shift = 8 - depth - (skip&7);
while(w--){
int val = (*p >> shift) & mask;
if(read_pal_component)
val= data[1][4*val + c];
shift -= step;
p -= shift>>3;
shift &= 7;
*dst++= val;
}
} else {
const uint8_t *p = data[plane]+ y*linesize[plane] + x*step + comp.offset_plus1-1;
while(w--){
int val = flags & PIX_FMT_BE ? AV_RB16(p) : AV_RL16(p);
val = (val>>shift) & mask;
if(read_pal_component)
val= data[1][4*val + c];
p+= step;
*dst++= val;
}
}
}
| 17,340 |
qemu | 8786db7cb96f8ce5c75c6e1e074319c9dca8d356 | 1 | void set_system_io_map(MemoryRegion *mr)
{
memory_region_transaction_begin();
address_space_io.root = mr;
memory_region_transaction_commit();
}
| 17,342 |
FFmpeg | 807d4b635567e51108ea3a6a774336321c3250e5 | 0 | int attribute_align_arg av_buffersink_get_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags)
{
BufferSinkContext *buf = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
int ret;
AVFrame *cur_frame;
/* no picref available, fetch it from the filterchain */
if (!av_fifo_size(buf->fifo)) {
if (inlink->closed)
return AVERROR_EOF;
if (flags & AV_BUFFERSINK_FLAG_NO_REQUEST)
return AVERROR(EAGAIN);
if ((ret = ff_request_frame(inlink)) < 0)
return ret;
}
if (!av_fifo_size(buf->fifo))
return AVERROR(EINVAL);
if (flags & AV_BUFFERSINK_FLAG_PEEK) {
cur_frame = *((AVFrame **)av_fifo_peek2(buf->fifo, 0));
if ((ret = av_frame_ref(frame, cur_frame)) < 0)
return ret;
} else {
av_fifo_generic_read(buf->fifo, &cur_frame, sizeof(cur_frame), NULL);
av_frame_move_ref(frame, cur_frame);
av_frame_free(&cur_frame);
}
return 0;
}
| 17,343 |
FFmpeg | f604eab30a7ec33e6d803a4d320ca9b453bde836 | 1 | static float wv_get_value_float(WavpackFrameContext *s, uint32_t *crc, int S)
{
union {
float f;
uint32_t u;
} value;
int sign;
int exp = s->float_max_exp;
if (s->got_extra_bits) {
const int max_bits = 1 + 23 + 8 + 1;
const int left_bits = get_bits_left(&s->gb_extra_bits);
if (left_bits + 8 * FF_INPUT_BUFFER_PADDING_SIZE < max_bits)
return 0.0;
}
if (S) {
S <<= s->float_shift;
sign = S < 0;
if (sign)
S = -S;
if (S >= 0x1000000) {
if (s->got_extra_bits && get_bits1(&s->gb_extra_bits))
S = get_bits(&s->gb_extra_bits, 23);
else
S = 0;
exp = 255;
} else if (exp) {
int shift = 23 - av_log2(S);
exp = s->float_max_exp;
if (exp <= shift)
shift = --exp;
exp -= shift;
if (shift) {
S <<= shift;
if ((s->float_flag & WV_FLT_SHIFT_ONES) ||
(s->got_extra_bits && (s->float_flag & WV_FLT_SHIFT_SAME) &&
get_bits1(&s->gb_extra_bits))) {
S |= (1 << shift) - 1;
} else if (s->got_extra_bits &&
(s->float_flag & WV_FLT_SHIFT_SENT)) {
S |= get_bits(&s->gb_extra_bits, shift);
}
}
} else {
exp = s->float_max_exp;
}
S &= 0x7fffff;
} else {
sign = 0;
exp = 0;
if (s->got_extra_bits && (s->float_flag & WV_FLT_ZERO_SENT)) {
if (get_bits1(&s->gb_extra_bits)) {
S = get_bits(&s->gb_extra_bits, 23);
if (s->float_max_exp >= 25)
exp = get_bits(&s->gb_extra_bits, 8);
sign = get_bits1(&s->gb_extra_bits);
} else {
if (s->float_flag & WV_FLT_ZERO_SIGN)
sign = get_bits1(&s->gb_extra_bits);
}
}
}
*crc = *crc * 27 + S * 9 + exp * 3 + sign;
value.u = (sign << 31) | (exp << 23) | S;
return value.f;
}
| 17,344 |
qemu | d4f4a3efdf0a71621ae5351176f5f15b522d0026 | 1 | static gboolean ga_channel_open(GAChannel *c, const gchar *path, GAChannelMethod method)
{
int ret;
c->method = method;
switch (c->method) {
case GA_CHANNEL_VIRTIO_SERIAL: {
int fd = qemu_open(path, O_RDWR | O_NONBLOCK
#ifndef CONFIG_SOLARIS
| O_ASYNC
#endif
);
if (fd == -1) {
g_critical("error opening channel: %s", strerror(errno));
exit(EXIT_FAILURE);
}
#ifdef CONFIG_SOLARIS
ret = ioctl(fd, I_SETSIG, S_OUTPUT | S_INPUT | S_HIPRI);
if (ret == -1) {
g_critical("error setting event mask for channel: %s",
strerror(errno));
exit(EXIT_FAILURE);
}
#endif
ret = ga_channel_client_add(c, fd);
if (ret) {
g_critical("error adding channel to main loop");
return false;
}
break;
}
case GA_CHANNEL_ISA_SERIAL: {
struct termios tio;
int fd = qemu_open(path, O_RDWR | O_NOCTTY | O_NONBLOCK);
if (fd == -1) {
g_critical("error opening channel: %s", strerror(errno));
exit(EXIT_FAILURE);
}
tcgetattr(fd, &tio);
/* set up serial port for non-canonical, dumb byte streaming */
tio.c_iflag &= ~(IGNBRK | BRKINT | IGNPAR | PARMRK | INPCK | ISTRIP |
INLCR | IGNCR | ICRNL | IXON | IXOFF | IXANY |
IMAXBEL);
tio.c_oflag = 0;
tio.c_lflag = 0;
tio.c_cflag |= GA_CHANNEL_BAUDRATE_DEFAULT;
/* 1 available byte min or reads will block (we'll set non-blocking
* elsewhere, else we have to deal with read()=0 instead)
*/
tio.c_cc[VMIN] = 1;
tio.c_cc[VTIME] = 0;
/* flush everything waiting for read/xmit, it's garbage at this point */
tcflush(fd, TCIFLUSH);
tcsetattr(fd, TCSANOW, &tio);
ret = ga_channel_client_add(c, fd);
if (ret) {
g_error("error adding channel to main loop");
}
break;
}
case GA_CHANNEL_UNIX_LISTEN: {
Error *local_err = NULL;
int fd = unix_listen(path, NULL, strlen(path), &local_err);
if (local_err != NULL) {
g_critical("%s", error_get_pretty(local_err));
error_free(local_err);
return false;
}
ga_channel_listen_add(c, fd, true);
break;
}
default:
g_critical("error binding/listening to specified socket");
return false;
}
return true;
} | 17,345 |
qemu | 13d1fd44c46629aad672f192abbf02238c6cbf36 | 1 | static void init_qxl_rom(PCIQXLDevice *d)
{
QXLRom *rom = memory_region_get_ram_ptr(&d->rom_bar);
QXLModes *modes = (QXLModes *)(rom + 1);
uint32_t ram_header_size;
uint32_t surface0_area_size;
uint32_t num_pages;
uint32_t fb, maxfb = 0;
int i;
memset(rom, 0, d->rom_size);
rom->magic = cpu_to_le32(QXL_ROM_MAGIC);
rom->id = cpu_to_le32(d->id);
rom->log_level = cpu_to_le32(d->guestdebug);
rom->modes_offset = cpu_to_le32(sizeof(QXLRom));
rom->slot_gen_bits = MEMSLOT_GENERATION_BITS;
rom->slot_id_bits = MEMSLOT_SLOT_BITS;
rom->slots_start = 1;
rom->slots_end = NUM_MEMSLOTS - 1;
rom->n_surfaces = cpu_to_le32(NUM_SURFACES);
modes->n_modes = cpu_to_le32(ARRAY_SIZE(qxl_modes));
for (i = 0; i < modes->n_modes; i++) {
fb = qxl_modes[i].y_res * qxl_modes[i].stride;
if (maxfb < fb) {
maxfb = fb;
}
modes->modes[i].id = cpu_to_le32(i);
modes->modes[i].x_res = cpu_to_le32(qxl_modes[i].x_res);
modes->modes[i].y_res = cpu_to_le32(qxl_modes[i].y_res);
modes->modes[i].bits = cpu_to_le32(qxl_modes[i].bits);
modes->modes[i].stride = cpu_to_le32(qxl_modes[i].stride);
modes->modes[i].x_mili = cpu_to_le32(qxl_modes[i].x_mili);
modes->modes[i].y_mili = cpu_to_le32(qxl_modes[i].y_mili);
modes->modes[i].orientation = cpu_to_le32(qxl_modes[i].orientation);
}
if (maxfb < VGA_RAM_SIZE && d->id == 0)
maxfb = VGA_RAM_SIZE;
ram_header_size = ALIGN(sizeof(QXLRam), 4096);
surface0_area_size = ALIGN(maxfb, 4096);
num_pages = d->vga.vram_size;
num_pages -= ram_header_size;
num_pages -= surface0_area_size;
num_pages = num_pages / TARGET_PAGE_SIZE;
rom->draw_area_offset = cpu_to_le32(0);
rom->surface0_area_size = cpu_to_le32(surface0_area_size);
rom->pages_offset = cpu_to_le32(surface0_area_size);
rom->num_pages = cpu_to_le32(num_pages);
rom->ram_header_offset = cpu_to_le32(d->vga.vram_size - ram_header_size);
d->shadow_rom = *rom;
d->rom = rom;
d->modes = modes;
}
| 17,346 |
qemu | e6afc87f804abee7d0479be5e8e31c56d885fafb | 1 | roundAndPackFloat128(
flag zSign, int32 zExp, uint64_t zSig0, uint64_t zSig1, uint64_t zSig2 STATUS_PARAM)
{
int8 roundingMode;
flag roundNearestEven, increment, isTiny;
roundingMode = STATUS(float_rounding_mode);
roundNearestEven = ( roundingMode == float_round_nearest_even );
increment = ( (int64_t) zSig2 < 0 );
if ( ! roundNearestEven ) {
if ( roundingMode == float_round_to_zero ) {
increment = 0;
}
else {
if ( zSign ) {
increment = ( roundingMode == float_round_down ) && zSig2;
}
else {
increment = ( roundingMode == float_round_up ) && zSig2;
}
}
}
if ( 0x7FFD <= (uint32_t) zExp ) {
if ( ( 0x7FFD < zExp )
|| ( ( zExp == 0x7FFD )
&& eq128(
LIT64( 0x0001FFFFFFFFFFFF ),
LIT64( 0xFFFFFFFFFFFFFFFF ),
zSig0,
zSig1
)
&& increment
)
) {
float_raise( float_flag_overflow | float_flag_inexact STATUS_VAR);
if ( ( roundingMode == float_round_to_zero )
|| ( zSign && ( roundingMode == float_round_up ) )
|| ( ! zSign && ( roundingMode == float_round_down ) )
) {
return
packFloat128(
zSign,
0x7FFE,
LIT64( 0x0000FFFFFFFFFFFF ),
LIT64( 0xFFFFFFFFFFFFFFFF )
);
}
return packFloat128( zSign, 0x7FFF, 0, 0 );
}
if ( zExp < 0 ) {
if ( STATUS(flush_to_zero) ) return packFloat128( zSign, 0, 0, 0 );
isTiny =
( STATUS(float_detect_tininess) == float_tininess_before_rounding )
|| ( zExp < -1 )
|| ! increment
|| lt128(
zSig0,
zSig1,
LIT64( 0x0001FFFFFFFFFFFF ),
LIT64( 0xFFFFFFFFFFFFFFFF )
);
shift128ExtraRightJamming(
zSig0, zSig1, zSig2, - zExp, &zSig0, &zSig1, &zSig2 );
zExp = 0;
if ( isTiny && zSig2 ) float_raise( float_flag_underflow STATUS_VAR);
if ( roundNearestEven ) {
increment = ( (int64_t) zSig2 < 0 );
}
else {
if ( zSign ) {
increment = ( roundingMode == float_round_down ) && zSig2;
}
else {
increment = ( roundingMode == float_round_up ) && zSig2;
}
}
}
}
if ( zSig2 ) STATUS(float_exception_flags) |= float_flag_inexact;
if ( increment ) {
add128( zSig0, zSig1, 0, 1, &zSig0, &zSig1 );
zSig1 &= ~ ( ( zSig2 + zSig2 == 0 ) & roundNearestEven );
}
else {
if ( ( zSig0 | zSig1 ) == 0 ) zExp = 0;
}
return packFloat128( zSign, zExp, zSig0, zSig1 );
}
| 17,347 |
FFmpeg | 7f526efd17973ec6d2204f7a47b6923e2be31363 | 1 | static inline void RENAME(yvu9toyv12)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc,
uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
unsigned int width, unsigned int height, int lumStride, int chromStride)
{
/* Y Plane */
memcpy(ydst, ysrc, width*height);
/* XXX: implement upscaling for U,V */
}
| 17,348 |
FFmpeg | a5037227501dc4f7528684beecee954360cbd7dd | 1 | int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
int n, int coded, const uint8_t *scan_table)
{
int level, i, last, run, run_diff;
int dc_pred_dir;
RLTable *rl;
RL_VLC_ELEM *rl_vlc;
int qmul, qadd;
if (s->mb_intra) {
qmul=1;
qadd=0;
/* DC coef */
level = msmpeg4_decode_dc(s, n, &dc_pred_dir);
if (level < 0){
av_log(s->avctx, AV_LOG_ERROR, "dc overflow- block: %d qscale: %d//\n", n, s->qscale);
if(s->inter_intra_pred) level=0;
else return -1;
}
if (n < 4) {
rl = &rl_table[s->rl_table_index];
if(level > 256*s->y_dc_scale){
av_log(s->avctx, AV_LOG_ERROR, "dc overflow+ L qscale: %d//\n", s->qscale);
if(!s->inter_intra_pred) return -1;
}
} else {
rl = &rl_table[3 + s->rl_chroma_table_index];
if(level > 256*s->c_dc_scale){
av_log(s->avctx, AV_LOG_ERROR, "dc overflow+ C qscale: %d//\n", s->qscale);
if(!s->inter_intra_pred) return -1;
}
}
block[0] = level;
run_diff = s->msmpeg4_version >= 4;
i = 0;
if (!coded) {
goto not_coded;
}
if (s->ac_pred) {
if (dc_pred_dir == 0)
scan_table = s->intra_v_scantable.permutated; /* left */
else
scan_table = s->intra_h_scantable.permutated; /* top */
} else {
scan_table = s->intra_scantable.permutated;
}
rl_vlc= rl->rl_vlc[0];
} else {
qmul = s->qscale << 1;
qadd = (s->qscale - 1) | 1;
i = -1;
rl = &rl_table[3 + s->rl_table_index];
if(s->msmpeg4_version==2)
run_diff = 0;
else
run_diff = 1;
if (!coded) {
s->block_last_index[n] = i;
return 0;
}
if(!scan_table)
scan_table = s->inter_scantable.permutated;
rl_vlc= rl->rl_vlc[s->qscale];
}
{
OPEN_READER(re, &s->gb);
for(;;) {
UPDATE_CACHE(re, &s->gb);
GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 0);
if (level==0) {
int cache;
cache= GET_CACHE(re, &s->gb);
/* escape */
if (s->msmpeg4_version==1 || (cache&0x80000000)==0) {
if (s->msmpeg4_version==1 || (cache&0x40000000)==0) {
/* third escape */
if(s->msmpeg4_version!=1) LAST_SKIP_BITS(re, &s->gb, 2);
UPDATE_CACHE(re, &s->gb);
if(s->msmpeg4_version<=3){
last= SHOW_UBITS(re, &s->gb, 1); SKIP_CACHE(re, &s->gb, 1);
run= SHOW_UBITS(re, &s->gb, 6); SKIP_CACHE(re, &s->gb, 6);
level= SHOW_SBITS(re, &s->gb, 8); LAST_SKIP_CACHE(re, &s->gb, 8);
SKIP_COUNTER(re, &s->gb, 1+6+8);
}else{
int sign;
last= SHOW_UBITS(re, &s->gb, 1); SKIP_BITS(re, &s->gb, 1);
if(!s->esc3_level_length){
int ll;
//printf("ESC-3 %X at %d %d\n", show_bits(&s->gb, 24), s->mb_x, s->mb_y);
if(s->qscale<8){
ll= SHOW_UBITS(re, &s->gb, 3); SKIP_BITS(re, &s->gb, 3);
if(ll==0){
if(SHOW_UBITS(re, &s->gb, 1)) av_log(s->avctx, AV_LOG_ERROR, "cool a new vlc code ,contact the ffmpeg developers and upload the file\n");
SKIP_BITS(re, &s->gb, 1);
ll=8;
}
}else{
ll=2;
while(ll<8 && SHOW_UBITS(re, &s->gb, 1)==0){
ll++;
SKIP_BITS(re, &s->gb, 1);
}
if(ll<8) SKIP_BITS(re, &s->gb, 1);
}
s->esc3_level_length= ll;
s->esc3_run_length= SHOW_UBITS(re, &s->gb, 2) + 3; SKIP_BITS(re, &s->gb, 2);
//printf("level length:%d, run length: %d\n", ll, s->esc3_run_length);
UPDATE_CACHE(re, &s->gb);
}
run= SHOW_UBITS(re, &s->gb, s->esc3_run_length);
SKIP_BITS(re, &s->gb, s->esc3_run_length);
sign= SHOW_UBITS(re, &s->gb, 1);
SKIP_BITS(re, &s->gb, 1);
level= SHOW_UBITS(re, &s->gb, s->esc3_level_length);
SKIP_BITS(re, &s->gb, s->esc3_level_length);
if(sign) level= -level;
}
//printf("level: %d, run: %d at %d %d\n", level, run, s->mb_x, s->mb_y);
#if 0 // waste of time / this will detect very few errors
{
const int abs_level= FFABS(level);
const int run1= run - rl->max_run[last][abs_level] - run_diff;
if(abs_level<=MAX_LEVEL && run<=MAX_RUN){
if(abs_level <= rl->max_level[last][run]){
av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, vlc encoding possible\n");
return DECODING_AC_LOST;
}
if(abs_level <= rl->max_level[last][run]*2){
av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, esc 1 encoding possible\n");
return DECODING_AC_LOST;
}
if(run1>=0 && abs_level <= rl->max_level[last][run1]){
av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, esc 2 encoding possible\n");
return DECODING_AC_LOST;
}
}
}
#endif
//level = level * qmul + (level>0) * qadd - (level<=0) * qadd ;
if (level>0) level= level * qmul + qadd;
else level= level * qmul - qadd;
#if 0 // waste of time too :(
if(level>2048 || level<-2048){
av_log(s->avctx, AV_LOG_ERROR, "|level| overflow in 3. esc\n");
return DECODING_AC_LOST;
}
#endif
i+= run + 1;
if(last) i+=192;
#ifdef ERROR_DETAILS
if(run==66)
av_log(s->avctx, AV_LOG_ERROR, "illegal vlc code in ESC3 level=%d\n", level);
else if((i>62 && i<192) || i>192+63)
av_log(s->avctx, AV_LOG_ERROR, "run overflow in ESC3 i=%d run=%d level=%d\n", i, run, level);
#endif
} else {
/* second escape */
#if MIN_CACHE_BITS < 23
LAST_SKIP_BITS(re, &s->gb, 2);
UPDATE_CACHE(re, &s->gb);
#else
SKIP_BITS(re, &s->gb, 2);
#endif
GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 1);
i+= run + rl->max_run[run>>7][level/qmul] + run_diff; //FIXME opt indexing
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
#ifdef ERROR_DETAILS
if(run==66)
av_log(s->avctx, AV_LOG_ERROR, "illegal vlc code in ESC2 level=%d\n", level);
else if((i>62 && i<192) || i>192+63)
av_log(s->avctx, AV_LOG_ERROR, "run overflow in ESC2 i=%d run=%d level=%d\n", i, run, level);
#endif
}
} else {
/* first escape */
#if MIN_CACHE_BITS < 22
LAST_SKIP_BITS(re, &s->gb, 1);
UPDATE_CACHE(re, &s->gb);
#else
SKIP_BITS(re, &s->gb, 1);
#endif
GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 1);
i+= run;
level = level + rl->max_level[run>>7][(run-1)&63] * qmul;//FIXME opt indexing
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
#ifdef ERROR_DETAILS
if(run==66)
av_log(s->avctx, AV_LOG_ERROR, "illegal vlc code in ESC1 level=%d\n", level);
else if((i>62 && i<192) || i>192+63)
av_log(s->avctx, AV_LOG_ERROR, "run overflow in ESC1 i=%d run=%d level=%d\n", i, run, level);
#endif
}
} else {
i+= run;
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
#ifdef ERROR_DETAILS
if(run==66)
av_log(s->avctx, AV_LOG_ERROR, "illegal vlc code level=%d\n", level);
else if((i>62 && i<192) || i>192+63)
av_log(s->avctx, AV_LOG_ERROR, "run overflow i=%d run=%d level=%d\n", i, run, level);
#endif
}
if (i > 62){
i-= 192;
if(i&(~63)){
const int left= s->gb.size_in_bits - get_bits_count(&s->gb);
if(((i+192 == 64 && level/qmul==-1) || s->error_recognition<=1) && left>=0){
av_log(s->avctx, AV_LOG_ERROR, "ignoring overflow at %d %d\n", s->mb_x, s->mb_y);
break;
}else{
av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
}
block[scan_table[i]] = level;
break;
}
block[scan_table[i]] = level;
}
CLOSE_READER(re, &s->gb);
}
not_coded:
if (s->mb_intra) {
mpeg4_pred_ac(s, block, n, dc_pred_dir);
if (s->ac_pred) {
i = 63; /* XXX: not optimal */
}
}
if(s->msmpeg4_version>=4 && i>0) i=63; //FIXME/XXX optimize
s->block_last_index[n] = i;
return 0;
}
| 17,349 |
FFmpeg | 0ac83047f67bb56406c66d4ca664d3c0cb07c2f2 | 1 | static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
AVSubtitleRect *r)
{
uint32_t *pal, *dst2;
uint8_t *src, *src2;
int x, y;
if (r->type != SUBTITLE_BITMAP) {
av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
return;
}
if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
return;
}
dst += r->y * dst_linesize + r->x * 4;
src = r->pict.data[0];
pal = (uint32_t *)r->pict.data[1];
for (y = 0; y < r->h; y++) {
dst2 = (uint32_t *)dst;
src2 = src;
for (x = 0; x < r->w; x++)
*(dst2++) = pal[*(src2++)];
dst += dst_linesize;
src += r->pict.linesize[0];
}
}
| 17,351 |
FFmpeg | 220b24c7c97dc033ceab1510549f66d0e7b52ef1 | 1 | SchroVideoFormatEnum ff_get_schro_video_format_preset(AVCodecContext *avctx)
{
unsigned int num_formats = sizeof(ff_schro_video_formats) /
sizeof(ff_schro_video_formats[0]);
unsigned int idx = get_video_format_idx(avctx);
return (idx < num_formats) ? ff_schro_video_formats[idx] :
SCHRO_VIDEO_FORMAT_CUSTOM;
}
| 17,352 |
qemu | 50628d3479e4f9aa97e323506856e394fe7ad7a6 | 1 | void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
int dst_x, int dst_y, int w, int h)
{
assert(con->console_type == GRAPHIC_CONSOLE);
dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
}
| 17,354 |
FFmpeg | 45d199d5b0b7f09eb9baa29929a3bd07ed46223b | 0 | static int aac_adtstoasc_init(AVBSFContext *ctx)
{
av_freep(&ctx->par_out->extradata);
ctx->par_out->extradata_size = 0;
return 0;
}
| 17,356 |
qemu | fa8354bd226617e2afcc45c27a74959c15291cc0 | 1 | static int dmg_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
BDRVDMGState *s = bs->opaque;
uint64_t info_begin, info_end, last_in_offset, last_out_offset;
uint32_t count, tmp;
uint32_t max_compressed_size = 1, max_sectors_per_chunk = 1, i;
int64_t offset;
int ret;
bs->read_only = 1;
s->n_chunks = 0;
s->offsets = s->lengths = s->sectors = s->sectorcounts = NULL;
/* read offset of info blocks */
offset = bdrv_getlength(bs->file);
if (offset < 0) {
ret = offset;
goto fail;
}
offset -= 0x1d8;
ret = read_uint64(bs, offset, &info_begin);
if (ret < 0) {
goto fail;
} else if (info_begin == 0) {
ret = -EINVAL;
goto fail;
}
ret = read_uint32(bs, info_begin, &tmp);
if (ret < 0) {
goto fail;
} else if (tmp != 0x100) {
ret = -EINVAL;
goto fail;
}
ret = read_uint32(bs, info_begin + 4, &count);
if (ret < 0) {
goto fail;
} else if (count == 0) {
ret = -EINVAL;
goto fail;
}
info_end = info_begin + count;
offset = info_begin + 0x100;
/* read offsets */
last_in_offset = last_out_offset = 0;
while (offset < info_end) {
uint32_t type;
ret = read_uint32(bs, offset, &count);
if (ret < 0) {
goto fail;
} else if (count == 0) {
ret = -EINVAL;
goto fail;
}
offset += 4;
ret = read_uint32(bs, offset, &type);
if (ret < 0) {
goto fail;
}
if (type == 0x6d697368 && count >= 244) {
size_t new_size;
uint32_t chunk_count;
offset += 4;
offset += 200;
chunk_count = (count - 204) / 40;
new_size = sizeof(uint64_t) * (s->n_chunks + chunk_count);
s->types = g_realloc(s->types, new_size / 2);
s->offsets = g_realloc(s->offsets, new_size);
s->lengths = g_realloc(s->lengths, new_size);
s->sectors = g_realloc(s->sectors, new_size);
s->sectorcounts = g_realloc(s->sectorcounts, new_size);
for (i = s->n_chunks; i < s->n_chunks + chunk_count; i++) {
ret = read_uint32(bs, offset, &s->types[i]);
if (ret < 0) {
goto fail;
}
offset += 4;
if (s->types[i] != 0x80000005 && s->types[i] != 1 &&
s->types[i] != 2) {
if (s->types[i] == 0xffffffff && i > 0) {
last_in_offset = s->offsets[i - 1] + s->lengths[i - 1];
last_out_offset = s->sectors[i - 1] +
s->sectorcounts[i - 1];
}
chunk_count--;
i--;
offset += 36;
continue;
}
offset += 4;
ret = read_uint64(bs, offset, &s->sectors[i]);
if (ret < 0) {
goto fail;
}
s->sectors[i] += last_out_offset;
offset += 8;
ret = read_uint64(bs, offset, &s->sectorcounts[i]);
if (ret < 0) {
goto fail;
}
offset += 8;
if (s->sectorcounts[i] > DMG_SECTORCOUNTS_MAX) {
error_report("sector count %" PRIu64 " for chunk %" PRIu32
" is larger than max (%u)",
s->sectorcounts[i], i, DMG_SECTORCOUNTS_MAX);
ret = -EINVAL;
goto fail;
}
ret = read_uint64(bs, offset, &s->offsets[i]);
if (ret < 0) {
goto fail;
}
s->offsets[i] += last_in_offset;
offset += 8;
ret = read_uint64(bs, offset, &s->lengths[i]);
if (ret < 0) {
goto fail;
}
offset += 8;
if (s->lengths[i] > DMG_LENGTHS_MAX) {
error_report("length %" PRIu64 " for chunk %" PRIu32
" is larger than max (%u)",
s->lengths[i], i, DMG_LENGTHS_MAX);
ret = -EINVAL;
goto fail;
}
update_max_chunk_size(s, i, &max_compressed_size,
&max_sectors_per_chunk);
}
s->n_chunks += chunk_count;
}
}
/* initialize zlib engine */
s->compressed_chunk = qemu_try_blockalign(bs->file,
max_compressed_size + 1);
s->uncompressed_chunk = qemu_try_blockalign(bs->file,
512 * max_sectors_per_chunk);
if (s->compressed_chunk == NULL || s->uncompressed_chunk == NULL) {
ret = -ENOMEM;
goto fail;
}
if (inflateInit(&s->zstream) != Z_OK) {
ret = -EINVAL;
goto fail;
}
s->current_chunk = s->n_chunks;
qemu_co_mutex_init(&s->lock);
return 0;
fail:
g_free(s->types);
g_free(s->offsets);
g_free(s->lengths);
g_free(s->sectors);
g_free(s->sectorcounts);
qemu_vfree(s->compressed_chunk);
qemu_vfree(s->uncompressed_chunk);
return ret;
}
| 17,359 |
FFmpeg | 8812d047bc850ec0b6afec69ae2d716525b25128 | 1 | static int ea_read_header(AVFormatContext *s)
{
EaDemuxContext *ea = s->priv_data;
AVStream *st;
if (process_ea_header(s)<=0)
return AVERROR(EIO);
if (init_video_stream(s, &ea->video) || init_video_stream(s, &ea->alpha))
return AVERROR(ENOMEM);
if (ea->audio_codec) {
if (ea->num_channels <= 0 || ea->num_channels > 2) {
av_log(s, AV_LOG_WARNING,
"Unsupported number of channels: %d\n", ea->num_channels);
ea->audio_codec = 0;
return 1;
}
if (ea->sample_rate <= 0) {
av_log(s, AV_LOG_ERROR,
"Unsupported sample rate: %d\n", ea->sample_rate);
ea->audio_codec = 0;
return 1;
}
if (ea->bytes <= 0) {
av_log(s, AV_LOG_ERROR,
"Invalid number of bytes per sample: %d\n", ea->bytes);
ea->audio_codec = AV_CODEC_ID_NONE;
return 1;
}
/* initialize the audio decoder stream */
st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
avpriv_set_pts_info(st, 33, 1, ea->sample_rate);
st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
st->codecpar->codec_id = ea->audio_codec;
st->codecpar->codec_tag = 0; /* no tag */
st->codecpar->channels = ea->num_channels;
st->codecpar->sample_rate = ea->sample_rate;
st->codecpar->bits_per_coded_sample = ea->bytes * 8;
st->codecpar->bit_rate = (int64_t)st->codecpar->channels *
st->codecpar->sample_rate *
st->codecpar->bits_per_coded_sample / 4;
st->codecpar->block_align = st->codecpar->channels *
st->codecpar->bits_per_coded_sample;
ea->audio_stream_index = st->index;
st->start_time = 0;
}
return 1;
}
| 17,360 |
qemu | e23a1b33b53d25510320b26d9f154e19c6c99725 | 1 | static void armv7m_bitband_init(void)
{
DeviceState *dev;
dev = qdev_create(NULL, "ARM,bitband-memory");
qdev_prop_set_uint32(dev, "base", 0x20000000);
qdev_init(dev);
sysbus_mmio_map(sysbus_from_qdev(dev), 0, 0x22000000);
dev = qdev_create(NULL, "ARM,bitband-memory");
qdev_prop_set_uint32(dev, "base", 0x40000000);
qdev_init(dev);
sysbus_mmio_map(sysbus_from_qdev(dev), 0, 0x42000000);
}
| 17,361 |
FFmpeg | a566c952f905639456966413fee0b5701867ddcd | 1 | static void mpegts_write_section(MpegTSSection *s, uint8_t *buf, int len)
{
unsigned int crc;
unsigned char packet[TS_PACKET_SIZE];
const unsigned char *buf_ptr;
unsigned char *q;
int first, b, len1, left;
crc = av_bswap32(av_crc(av_crc_get_table(AV_CRC_32_IEEE),
-1, buf, len - 4));
buf[len - 4] = (crc >> 24) & 0xff;
buf[len - 3] = (crc >> 16) & 0xff;
buf[len - 2] = (crc >> 8) & 0xff;
buf[len - 1] = crc & 0xff;
/* send each packet */
buf_ptr = buf;
while (len > 0) {
first = buf == buf_ptr;
q = packet;
*q++ = 0x47;
b = s->pid >> 8;
if (first)
b |= 0x40;
*q++ = b;
*q++ = s->pid;
s->cc = s->cc + 1 & 0xf;
*q++ = 0x10 | s->cc;
if (first)
*q++ = 0; /* 0 offset */
len1 = TS_PACKET_SIZE - (q - packet);
if (len1 > len)
len1 = len;
memcpy(q, buf_ptr, len1);
q += len1;
/* add known padding data */
left = TS_PACKET_SIZE - (q - packet);
if (left > 0)
memset(q, 0xff, left);
s->write_packet(s, packet);
buf_ptr += len1;
len -= len1;
| 17,363 |
qemu | ac95190ea92f7625bb0065c2864321607b95c26b | 1 | void address_space_init(AddressSpace *as, MemoryRegion *root, const char *name)
{
memory_region_transaction_begin();
as->root = root;
as->current_map = g_new(FlatView, 1);
flatview_init(as->current_map);
as->ioeventfd_nb = 0;
as->ioeventfds = NULL;
QTAILQ_INSERT_TAIL(&address_spaces, as, address_spaces_link);
as->name = g_strdup(name ? name : "anonymous");
address_space_init_dispatch(as);
memory_region_update_pending |= root->enabled;
memory_region_transaction_commit();
} | 17,364 |
qemu | c82dc29a9112f34e0a51cad9a412cf6d9d05dfb2 | 1 | static gboolean fd_trampoline(GIOChannel *chan, GIOCondition cond, gpointer opaque)
{
IOTrampoline *tramp = opaque;
if (tramp->opaque == NULL) {
return FALSE;
}
if ((cond & G_IO_IN) && tramp->fd_read) {
tramp->fd_read(tramp->opaque);
}
if ((cond & G_IO_OUT) && tramp->fd_write) {
tramp->fd_write(tramp->opaque);
}
return TRUE;
}
| 17,365 |
qemu | 24d1a6d9d5f5b3da868724dd3c6f56893e0693da | 1 | static void test_flush_event_notifier(void)
{
EventNotifierTestData data = { .n = 0, .active = 10, .auto_set = true };
event_notifier_init(&data.e, false);
aio_set_event_notifier(ctx, &data.e, event_ready_cb, event_active_cb);
g_assert(aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 0);
g_assert_cmpint(data.active, ==, 10);
event_notifier_set(&data.e);
g_assert(aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 1);
g_assert_cmpint(data.active, ==, 9);
g_assert(aio_poll(ctx, false));
wait_for_aio();
g_assert_cmpint(data.n, ==, 10);
g_assert_cmpint(data.active, ==, 0);
g_assert(!aio_poll(ctx, false));
aio_set_event_notifier(ctx, &data.e, NULL, NULL);
g_assert(!aio_poll(ctx, false));
event_notifier_cleanup(&data.e);
}
| 17,366 |
qemu | 8ce7d35273352ebe19c871e6b32a52db77fa08c3 | 1 | static int protocol_client_auth_sasl_mechname(VncState *vs, uint8_t *data, size_t len)
{
char *mechname = malloc(len + 1);
if (!mechname) {
VNC_DEBUG("Out of memory reading mechname\n");
vnc_client_error(vs);
}
strncpy(mechname, (char*)data, len);
mechname[len] = '\0';
VNC_DEBUG("Got client mechname '%s' check against '%s'\n",
mechname, vs->sasl.mechlist);
if (strncmp(vs->sasl.mechlist, mechname, len) == 0) {
if (vs->sasl.mechlist[len] != '\0' &&
vs->sasl.mechlist[len] != ',') {
VNC_DEBUG("One %d", vs->sasl.mechlist[len]);
vnc_client_error(vs);
return -1;
}
} else {
char *offset = strstr(vs->sasl.mechlist, mechname);
VNC_DEBUG("Two %p\n", offset);
if (!offset) {
vnc_client_error(vs);
return -1;
}
VNC_DEBUG("Two '%s'\n", offset);
if (offset[-1] != ',' ||
(offset[len] != '\0'&&
offset[len] != ',')) {
vnc_client_error(vs);
return -1;
}
}
free(vs->sasl.mechlist);
vs->sasl.mechlist = mechname;
VNC_DEBUG("Validated mechname '%s'\n", mechname);
vnc_read_when(vs, protocol_client_auth_sasl_start_len, 4);
return 0;
}
| 17,368 |
qemu | 511aefb0c60e3063ead76d4ba6aabf619eed18ef | 1 | static void qxl_send_events(PCIQXLDevice *d, uint32_t events)
{
uint32_t old_pending;
uint32_t le_events = cpu_to_le32(events);
trace_qxl_send_events(d->id, events);
assert(qemu_spice_display_is_running(&d->ssd));
old_pending = __sync_fetch_and_or(&d->ram->int_pending, le_events);
if ((old_pending & le_events) == le_events) {
return;
}
if (qemu_thread_is_self(&d->main)) {
qxl_update_irq(d);
} else {
if (write(d->pipe[1], d, 1) != 1) {
dprint(d, 1, "%s: write to pipe failed\n", __func__);
}
}
}
| 17,369 |
FFmpeg | 0af48e29f55a4e5824e6f7157ac94cf8b210aa84 | 1 | static void decode_blocks(SnowContext *s){
int x, y;
int w= s->b_width;
int h= s->b_height;
for(y=0; y<h; y++){
for(x=0; x<w; x++){
decode_q_branch(s, 0, x, y);
}
}
}
| 17,371 |
FFmpeg | 94ede53e57e5864a1f94cb5cae25cd0b142212ae | 1 | static int img_read_header(AVFormatContext *s1, AVFormatParameters *ap)
{
VideoData *s = s1->priv_data;
int ret, first_index, last_index;
char buf[1024];
ByteIOContext pb1, *f = &pb1;
AVStream *st;
st = av_new_stream(s1, 0);
if (!st) {
av_free(s);
return -ENOMEM;
}
if (ap->image_format)
s->img_fmt = ap->image_format;
pstrcpy(s->path, sizeof(s->path), s1->filename);
s->img_number = 0;
s->img_count = 0;
/* find format */
if (s1->iformat->flags & AVFMT_NOFILE)
s->is_pipe = 0;
else
s->is_pipe = 1;
if (!ap->time_base.num) {
st->codec->time_base= (AVRational){1,25};
} else {
st->codec->time_base= ap->time_base;
}
if (!s->is_pipe) {
if (find_image_range(&first_index, &last_index, s->path) < 0)
goto fail;
s->img_first = first_index;
s->img_last = last_index;
s->img_number = first_index;
/* compute duration */
st->start_time = 0;
st->duration = last_index - first_index + 1;
if (get_frame_filename(buf, sizeof(buf), s->path, s->img_number) < 0)
goto fail;
if (url_fopen(f, buf, URL_RDONLY) < 0)
goto fail;
} else {
f = &s1->pb;
}
ret = av_read_image(f, s1->filename, s->img_fmt, read_header_alloc_cb, s);
if (ret < 0)
goto fail1;
if (!s->is_pipe) {
url_fclose(f);
} else {
url_fseek(f, 0, SEEK_SET);
}
st->codec->codec_type = CODEC_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_RAWVIDEO;
st->codec->width = s->width;
st->codec->height = s->height;
st->codec->pix_fmt = s->pix_fmt;
s->img_size = avpicture_get_size(s->pix_fmt, (s->width+15)&(~15), (s->height+15)&(~15));
return 0;
fail1:
if (!s->is_pipe)
url_fclose(f);
fail:
av_free(s);
return AVERROR_IO;
}
| 17,372 |
FFmpeg | f6774f905fb3cfdc319523ac640be30b14c1bc55 | 1 | static void mpeg4_encode_gop_header(MpegEncContext *s)
{
int hours, minutes, seconds;
int64_t time;
put_bits(&s->pb, 16, 0);
put_bits(&s->pb, 16, GOP_STARTCODE);
time = s->current_picture_ptr->f.pts;
if (s->reordered_input_picture[1])
time = FFMIN(time, s->reordered_input_picture[1]->f.pts);
time = time * s->avctx->time_base.num;
seconds = time / s->avctx->time_base.den;
minutes = seconds / 60;
seconds %= 60;
hours = minutes / 60;
minutes %= 60;
hours %= 24;
put_bits(&s->pb, 5, hours);
put_bits(&s->pb, 6, minutes);
put_bits(&s->pb, 1, 1);
put_bits(&s->pb, 6, seconds);
put_bits(&s->pb, 1, !!(s->flags & CODEC_FLAG_CLOSED_GOP));
put_bits(&s->pb, 1, 0); // broken link == NO
s->last_time_base = time / s->avctx->time_base.den;
ff_mpeg4_stuffing(&s->pb);
}
| 17,373 |
FFmpeg | b51469a0c54b30079eecc4891cc050778f343683 | 0 | static int av_encode(AVFormatContext **output_files,
int nb_output_files,
AVFormatContext **input_files,
int nb_input_files,
AVStreamMap *stream_maps, int nb_stream_maps)
{
int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
AVFormatContext *is, *os;
AVCodecContext *codec, *icodec;
AVOutputStream *ost, **ost_table = NULL;
AVInputStream *ist, **ist_table = NULL;
AVInputFile *file_table;
AVFormatContext *stream_no_data;
int key;
file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
if (!file_table)
goto fail;
/* input stream init */
j = 0;
for(i=0;i<nb_input_files;i++) {
is = input_files[i];
file_table[i].ist_index = j;
file_table[i].nb_streams = is->nb_streams;
j += is->nb_streams;
}
nb_istreams = j;
ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
if (!ist_table)
goto fail;
for(i=0;i<nb_istreams;i++) {
ist = av_mallocz(sizeof(AVInputStream));
if (!ist)
goto fail;
ist_table[i] = ist;
}
j = 0;
for(i=0;i<nb_input_files;i++) {
is = input_files[i];
for(k=0;k<is->nb_streams;k++) {
ist = ist_table[j++];
ist->st = is->streams[k];
ist->file_index = i;
ist->index = k;
ist->discard = 1; /* the stream is discarded by default
(changed later) */
if (ist->st->codec.rate_emu) {
ist->start = av_gettime();
ist->frame = 0;
}
}
}
/* output stream init */
nb_ostreams = 0;
for(i=0;i<nb_output_files;i++) {
os = output_files[i];
nb_ostreams += os->nb_streams;
}
if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
fprintf(stderr, "Number of stream maps must match number of output streams\n");
exit(1);
}
/* Sanity check the mapping args -- do the input files & streams exist? */
for(i=0;i<nb_stream_maps;i++) {
int fi = stream_maps[i].file_index;
int si = stream_maps[i].stream_index;
if (fi < 0 || fi > nb_input_files - 1 ||
si < 0 || si > file_table[fi].nb_streams - 1) {
fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
exit(1);
}
}
ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
if (!ost_table)
goto fail;
for(i=0;i<nb_ostreams;i++) {
ost = av_mallocz(sizeof(AVOutputStream));
if (!ost)
goto fail;
ost_table[i] = ost;
}
n = 0;
for(k=0;k<nb_output_files;k++) {
os = output_files[k];
for(i=0;i<os->nb_streams;i++) {
int found;
ost = ost_table[n++];
ost->file_index = k;
ost->index = i;
ost->st = os->streams[i];
if (nb_stream_maps > 0) {
ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
stream_maps[n-1].stream_index;
/* Sanity check that the stream types match */
if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
ost->file_index, ost->index);
exit(1);
}
} else {
/* get corresponding input stream index : we select the first one with the right type */
found = 0;
for(j=0;j<nb_istreams;j++) {
ist = ist_table[j];
if (ist->discard &&
ist->st->codec.codec_type == ost->st->codec.codec_type) {
ost->source_index = j;
found = 1;
}
}
if (!found) {
/* try again and reuse existing stream */
for(j=0;j<nb_istreams;j++) {
ist = ist_table[j];
if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
ost->source_index = j;
found = 1;
}
}
if (!found) {
fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
ost->file_index, ost->index);
exit(1);
}
}
}
ist = ist_table[ost->source_index];
ist->discard = 0;
}
}
/* for each output stream, we compute the right encoding parameters */
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
ist = ist_table[ost->source_index];
codec = &ost->st->codec;
icodec = &ist->st->codec;
if (ost->st->stream_copy) {
/* if stream_copy is selected, no need to decode or encode */
codec->codec_id = icodec->codec_id;
codec->codec_type = icodec->codec_type;
codec->codec_tag = icodec->codec_tag;
codec->bit_rate = icodec->bit_rate;
switch(codec->codec_type) {
case CODEC_TYPE_AUDIO:
codec->sample_rate = icodec->sample_rate;
codec->channels = icodec->channels;
break;
case CODEC_TYPE_VIDEO:
codec->frame_rate = icodec->frame_rate;
codec->frame_rate_base = icodec->frame_rate_base;
codec->width = icodec->width;
codec->height = icodec->height;
break;
default:
av_abort();
}
} else {
switch(codec->codec_type) {
case CODEC_TYPE_AUDIO:
if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
goto fail;
if (codec->channels == icodec->channels &&
codec->sample_rate == icodec->sample_rate) {
ost->audio_resample = 0;
} else {
if (codec->channels != icodec->channels &&
icodec->codec_id == CODEC_ID_AC3) {
/* Special case for 5:1 AC3 input */
/* and mono or stereo output */
/* Request specific number of channels */
icodec->channels = codec->channels;
if (codec->sample_rate == icodec->sample_rate)
ost->audio_resample = 0;
else {
ost->audio_resample = 1;
ost->resample = audio_resample_init(codec->channels, icodec->channels,
codec->sample_rate,
icodec->sample_rate);
if(!ost->resample)
{
printf("Can't resample. Aborting.\n");
av_abort();
}
}
/* Request specific number of channels */
icodec->channels = codec->channels;
} else {
ost->audio_resample = 1;
ost->resample = audio_resample_init(codec->channels, icodec->channels,
codec->sample_rate,
icodec->sample_rate);
if(!ost->resample)
{
printf("Can't resample. Aborting.\n");
av_abort();
}
}
}
ist->decoding_needed = 1;
ost->encoding_needed = 1;
break;
case CODEC_TYPE_VIDEO:
if (codec->width == icodec->width &&
codec->height == icodec->height &&
frame_topBand == 0 &&
frame_bottomBand == 0 &&
frame_leftBand == 0 &&
frame_rightBand == 0)
{
ost->video_resample = 0;
ost->video_crop = 0;
} else if ((codec->width == icodec->width -
(frame_leftBand + frame_rightBand)) &&
(codec->height == icodec->height -
(frame_topBand + frame_bottomBand)))
{
ost->video_resample = 0;
ost->video_crop = 1;
ost->topBand = frame_topBand;
ost->leftBand = frame_leftBand;
} else {
ost->video_resample = 1;
ost->video_crop = 0; // cropping is handled as part of resample
if( avpicture_alloc( &ost->pict_tmp, PIX_FMT_YUV420P,
codec->width, codec->height ) )
goto fail;
ost->img_resample_ctx = img_resample_full_init(
ost->st->codec.width, ost->st->codec.height,
ist->st->codec.width, ist->st->codec.height,
frame_topBand, frame_bottomBand,
frame_leftBand, frame_rightBand);
}
ost->encoding_needed = 1;
ist->decoding_needed = 1;
break;
default:
av_abort();
}
/* two pass mode */
if (ost->encoding_needed &&
(codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
char logfilename[1024];
FILE *f;
int size;
char *logbuffer;
snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
pass_logfilename ?
pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
if (codec->flags & CODEC_FLAG_PASS1) {
f = fopen(logfilename, "w");
if (!f) {
perror(logfilename);
exit(1);
}
ost->logfile = f;
} else {
/* read the log file */
f = fopen(logfilename, "r");
if (!f) {
perror(logfilename);
exit(1);
}
fseek(f, 0, SEEK_END);
size = ftell(f);
fseek(f, 0, SEEK_SET);
logbuffer = av_malloc(size + 1);
if (!logbuffer) {
fprintf(stderr, "Could not allocate log buffer\n");
exit(1);
}
size = fread(logbuffer, 1, size, f);
fclose(f);
logbuffer[size] = '\0';
codec->stats_in = logbuffer;
}
}
}
}
/* dump the file output parameters - cannot be done before in case
of stream copy */
for(i=0;i<nb_output_files;i++) {
dump_format(output_files[i], i, output_files[i]->filename, 1);
}
/* dump the stream mapping */
fprintf(stderr, "Stream mapping:\n");
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
ist_table[ost->source_index]->file_index,
ist_table[ost->source_index]->index,
ost->file_index,
ost->index);
}
/* open each encoder */
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
if (ost->encoding_needed) {
AVCodec *codec;
codec = avcodec_find_encoder(ost->st->codec.codec_id);
if (!codec) {
fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
ost->file_index, ost->index);
exit(1);
}
if (avcodec_open(&ost->st->codec, codec) < 0) {
fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
ost->file_index, ost->index);
exit(1);
}
}
}
/* open each decoder */
for(i=0;i<nb_istreams;i++) {
ist = ist_table[i];
if (ist->decoding_needed) {
AVCodec *codec;
codec = avcodec_find_decoder(ist->st->codec.codec_id);
if (!codec) {
fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
ist->st->codec.codec_id, ist->file_index, ist->index);
exit(1);
}
if (avcodec_open(&ist->st->codec, codec) < 0) {
fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
ist->file_index, ist->index);
exit(1);
}
//if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
// ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
}
}
/* init pts */
for(i=0;i<nb_istreams;i++) {
ist = ist_table[i];
is = input_files[ist->file_index];
ist->pts = 0;
ist->next_pts = 0;
}
/* compute buffer size max (should use a complete heuristic) */
for(i=0;i<nb_input_files;i++) {
file_table[i].buffer_size_max = 2048;
}
/* open files and write file headers */
for(i=0;i<nb_output_files;i++) {
os = output_files[i];
if (av_write_header(os) < 0) {
fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
ret = -EINVAL;
goto fail;
}
}
#ifndef CONFIG_WIN32
if ( !using_stdin )
fprintf(stderr, "Press [q] to stop encoding\n");
#endif
term_init();
stream_no_data = 0;
key = -1;
for(; received_sigterm == 0;) {
int file_index, ist_index;
AVPacket pkt;
double pts_min;
redo:
/* if 'q' pressed, exits */
if (!using_stdin) {
/* read_key() returns 0 on EOF */
key = read_key();
if (key == 'q')
break;
}
/* select the stream that we must read now by looking at the
smallest output pts */
file_index = -1;
pts_min = 1e10;
for(i=0;i<nb_ostreams;i++) {
double pts;
ost = ost_table[i];
os = output_files[ost->file_index];
ist = ist_table[ost->source_index];
pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
if (!file_table[ist->file_index].eof_reached &&
pts < pts_min) {
pts_min = pts;
file_index = ist->file_index;
}
}
/* if none, if is finished */
if (file_index < 0) {
break;
}
/* finish if recording time exhausted */
if (recording_time > 0 && pts_min >= (recording_time / 1000000.0))
break;
/* read a frame from it and output it in the fifo */
is = input_files[file_index];
if (av_read_frame(is, &pkt) < 0) {
file_table[file_index].eof_reached = 1;
continue;
}
if (!pkt.size) {
stream_no_data = is;
} else {
stream_no_data = 0;
}
if (do_pkt_dump) {
av_pkt_dump(stdout, &pkt, do_hex_dump);
}
/* the following test is needed in case new streams appear
dynamically in stream : we ignore them */
if (pkt.stream_index >= file_table[file_index].nb_streams)
goto discard_packet;
ist_index = file_table[file_index].ist_index + pkt.stream_index;
ist = ist_table[ist_index];
if (ist->discard)
goto discard_packet;
//fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
fprintf(stderr, "Error while decoding stream #%d.%d\n",
ist->file_index, ist->index);
av_free_packet(&pkt);
goto redo;
}
discard_packet:
av_free_packet(&pkt);
/* dump report by using the output first video and audio streams */
print_report(output_files, ost_table, nb_ostreams, 0);
}
/* at the end of stream, we must flush the decoder buffers */
for(i=0;i<nb_istreams;i++) {
ist = ist_table[i];
if (ist->decoding_needed) {
output_packet(ist, i, ost_table, nb_ostreams, NULL);
}
}
term_exit();
/* dump report by using the first video and audio streams */
print_report(output_files, ost_table, nb_ostreams, 1);
/* write the trailer if needed and close file */
for(i=0;i<nb_output_files;i++) {
os = output_files[i];
av_write_trailer(os);
}
/* close each encoder */
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
if (ost->encoding_needed) {
av_freep(&ost->st->codec.stats_in);
avcodec_close(&ost->st->codec);
}
}
/* close each decoder */
for(i=0;i<nb_istreams;i++) {
ist = ist_table[i];
if (ist->decoding_needed) {
avcodec_close(&ist->st->codec);
}
}
/* finished ! */
ret = 0;
fail1:
av_free(file_table);
if (ist_table) {
for(i=0;i<nb_istreams;i++) {
ist = ist_table[i];
av_free(ist);
}
av_free(ist_table);
}
if (ost_table) {
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
if (ost) {
if (ost->logfile) {
fclose(ost->logfile);
ost->logfile = NULL;
}
fifo_free(&ost->fifo); /* works even if fifo is not
initialized but set to zero */
av_free(ost->pict_tmp.data[0]);
if (ost->video_resample)
img_resample_close(ost->img_resample_ctx);
if (ost->audio_resample)
audio_resample_close(ost->resample);
av_free(ost);
}
}
av_free(ost_table);
}
return ret;
fail:
ret = -ENOMEM;
goto fail1;
}
| 17,374 |
qemu | 8a7348b5d62d7ea16807e6bea54b448a0184bb0f | 1 | static void vm_change_state_handler(void *opaque, int running,
RunState state)
{
GICv3ITSState *s = (GICv3ITSState *)opaque;
Error *err = NULL;
int ret;
if (running) {
return;
}
ret = kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
KVM_DEV_ARM_ITS_SAVE_TABLES, NULL, true, &err);
if (err) {
error_report_err(err);
}
if (ret < 0 && ret != -EFAULT) {
abort();
}
}
| 17,377 |
qemu | 96dd9aac37d30f3425088f81523942e67b2d03ac | 1 | static uint8_t usb_linux_get_alt_setting(USBHostDevice *s,
uint8_t configuration, uint8_t interface)
{
char device_name[64], line[1024];
int alt_setting;
sprintf(device_name, "%d-%s:%d.%d", s->bus_num, s->port,
(int)configuration, (int)interface);
if (!usb_host_read_file(line, sizeof(line), "bAlternateSetting",
device_name)) {
/* Assume alt 0 on error */
return 0;
}
if (sscanf(line, "%d", &alt_setting) != 1) {
/* Assume alt 0 on error */
return 0;
}
return alt_setting;
}
| 17,379 |
FFmpeg | 16c429166ddf1736972b6ccce84bd3509ec16a34 | 1 | static int append_extradata(APNGDemuxContext *ctx, AVIOContext *pb, int len)
{
int previous_size = ctx->extra_data_size;
int new_size, ret;
uint8_t *new_extradata;
if (previous_size > INT_MAX - len)
return AVERROR_INVALIDDATA;
new_size = previous_size + len;
new_extradata = av_realloc(ctx->extra_data, new_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!new_extradata)
return AVERROR(ENOMEM);
ctx->extra_data = new_extradata;
ctx->extra_data_size = new_size;
if ((ret = avio_read(pb, ctx->extra_data + previous_size, len)) < 0)
return ret;
return previous_size;
}
| 17,380 |
FFmpeg | eec67f25224a48047da57be18b610b11b0fd0bfe | 1 | void dnxhd_get_blocks(DNXHDEncContext *ctx, int mb_x, int mb_y)
{
const int bs = ctx->block_width_l2;
const int bw = 1 << bs;
int dct_y_offset = ctx->dct_y_offset;
int dct_uv_offset = ctx->dct_uv_offset;
int linesize = ctx->m.linesize;
int uvlinesize = ctx->m.uvlinesize;
const uint8_t *ptr_y = ctx->thread[0]->src[0] +
((mb_y << 4) * ctx->m.linesize) + (mb_x << bs + 1);
const uint8_t *ptr_u = ctx->thread[0]->src[1] +
((mb_y << 4) * ctx->m.uvlinesize) + (mb_x << bs + ctx->is_444);
const uint8_t *ptr_v = ctx->thread[0]->src[2] +
((mb_y << 4) * ctx->m.uvlinesize) + (mb_x << bs + ctx->is_444);
PixblockDSPContext *pdsp = &ctx->m.pdsp;
VideoDSPContext *vdsp = &ctx->m.vdsp;
if (ctx->bit_depth != 10 && vdsp->emulated_edge_mc && ((mb_x << 4) + 16 > ctx->m.avctx->width ||
(mb_y << 4) + 16 > ctx->m.avctx->height)) {
int y_w = ctx->m.avctx->width - (mb_x << 4);
int y_h = ctx->m.avctx->height - (mb_y << 4);
int uv_w = (y_w + 1) / 2;
int uv_h = y_h;
linesize = 16;
uvlinesize = 8;
vdsp->emulated_edge_mc(&ctx->edge_buf_y[0], ptr_y,
linesize, ctx->m.linesize,
linesize, 16,
0, 0, y_w, y_h);
vdsp->emulated_edge_mc(&ctx->edge_buf_uv[0][0], ptr_u,
uvlinesize, ctx->m.uvlinesize,
uvlinesize, 16,
0, 0, uv_w, uv_h);
vdsp->emulated_edge_mc(&ctx->edge_buf_uv[1][0], ptr_v,
uvlinesize, ctx->m.uvlinesize,
uvlinesize, 16,
0, 0, uv_w, uv_h);
dct_y_offset = bw * linesize;
dct_uv_offset = bw * uvlinesize;
ptr_y = &ctx->edge_buf_y[0];
ptr_u = &ctx->edge_buf_uv[0][0];
ptr_v = &ctx->edge_buf_uv[1][0];
} else if (ctx->bit_depth == 10 && vdsp->emulated_edge_mc && ((mb_x << 3) + 8 > ctx->m.avctx->width ||
(mb_y << 3) + 8 > ctx->m.avctx->height)) {
int y_w = ctx->m.avctx->width - (mb_x << 3);
int y_h = ctx->m.avctx->height - (mb_y << 3);
int uv_w = ctx->is_444 ? y_w : (y_w + 1) / 2;
int uv_h = y_h;
linesize = 16;
uvlinesize = 8 + 8 * ctx->is_444;
vdsp->emulated_edge_mc(&ctx->edge_buf_y[0], ptr_y,
linesize, ctx->m.linesize,
linesize / 2, 16,
0, 0, y_w, y_h);
vdsp->emulated_edge_mc(&ctx->edge_buf_uv[0][0], ptr_u,
uvlinesize, ctx->m.uvlinesize,
uvlinesize / 2, 16,
0, 0, uv_w, uv_h);
vdsp->emulated_edge_mc(&ctx->edge_buf_uv[1][0], ptr_v,
uvlinesize, ctx->m.uvlinesize,
uvlinesize / 2, 16,
0, 0, uv_w, uv_h);
dct_y_offset = bw * linesize;
dct_uv_offset = bw * uvlinesize;
ptr_y = &ctx->edge_buf_y[0];
ptr_u = &ctx->edge_buf_uv[0][0];
ptr_v = &ctx->edge_buf_uv[1][0];
}
if (!ctx->is_444) {
pdsp->get_pixels(ctx->blocks[0], ptr_y, linesize);
pdsp->get_pixels(ctx->blocks[1], ptr_y + bw, linesize);
pdsp->get_pixels(ctx->blocks[2], ptr_u, uvlinesize);
pdsp->get_pixels(ctx->blocks[3], ptr_v, uvlinesize);
if (mb_y + 1 == ctx->m.mb_height && ctx->m.avctx->height == 1080) {
if (ctx->interlaced) {
ctx->get_pixels_8x4_sym(ctx->blocks[4],
ptr_y + dct_y_offset,
linesize);
ctx->get_pixels_8x4_sym(ctx->blocks[5],
ptr_y + dct_y_offset + bw,
linesize);
ctx->get_pixels_8x4_sym(ctx->blocks[6],
ptr_u + dct_uv_offset,
uvlinesize);
ctx->get_pixels_8x4_sym(ctx->blocks[7],
ptr_v + dct_uv_offset,
uvlinesize);
} else {
ctx->bdsp.clear_block(ctx->blocks[4]);
ctx->bdsp.clear_block(ctx->blocks[5]);
ctx->bdsp.clear_block(ctx->blocks[6]);
ctx->bdsp.clear_block(ctx->blocks[7]);
}
} else {
pdsp->get_pixels(ctx->blocks[4],
ptr_y + dct_y_offset, linesize);
pdsp->get_pixels(ctx->blocks[5],
ptr_y + dct_y_offset + bw, linesize);
pdsp->get_pixels(ctx->blocks[6],
ptr_u + dct_uv_offset, uvlinesize);
pdsp->get_pixels(ctx->blocks[7],
ptr_v + dct_uv_offset, uvlinesize);
}
} else {
pdsp->get_pixels(ctx->blocks[0], ptr_y, linesize);
pdsp->get_pixels(ctx->blocks[1], ptr_y + bw, linesize);
pdsp->get_pixels(ctx->blocks[6], ptr_y + dct_y_offset, linesize);
pdsp->get_pixels(ctx->blocks[7], ptr_y + dct_y_offset + bw, linesize);
pdsp->get_pixels(ctx->blocks[2], ptr_u, uvlinesize);
pdsp->get_pixels(ctx->blocks[3], ptr_u + bw, uvlinesize);
pdsp->get_pixels(ctx->blocks[8], ptr_u + dct_uv_offset, uvlinesize);
pdsp->get_pixels(ctx->blocks[9], ptr_u + dct_uv_offset + bw, uvlinesize);
pdsp->get_pixels(ctx->blocks[4], ptr_v, uvlinesize);
pdsp->get_pixels(ctx->blocks[5], ptr_v + bw, uvlinesize);
pdsp->get_pixels(ctx->blocks[10], ptr_v + dct_uv_offset, uvlinesize);
pdsp->get_pixels(ctx->blocks[11], ptr_v + dct_uv_offset + bw, uvlinesize);
}
}
| 17,382 |
qemu | 71407786054cad26de7ef66718b2a57a4bcb49b5 | 1 | bool virtio_scsi_handle_event_vq(VirtIOSCSI *s, VirtQueue *vq)
{
virtio_scsi_acquire(s);
if (s->events_dropped) {
virtio_scsi_push_event(s, NULL, VIRTIO_SCSI_T_NO_EVENT, 0);
virtio_scsi_release(s);
return true;
}
virtio_scsi_release(s);
return false;
}
| 17,383 |
FFmpeg | 18a7f7465e7e6b9c3688ffc23230ae7a0639a771 | 1 | static attribute_align_arg void *frame_worker_thread(void *arg)
{
PerThreadContext *p = arg;
FrameThreadContext *fctx = p->parent;
AVCodecContext *avctx = p->avctx;
AVCodec *codec = avctx->codec;
while (1) {
int i;
if (p->state == STATE_INPUT_READY && !fctx->die) {
pthread_mutex_lock(&p->mutex);
while (p->state == STATE_INPUT_READY && !fctx->die)
pthread_cond_wait(&p->input_cond, &p->mutex);
pthread_mutex_unlock(&p->mutex);
}
if (fctx->die) break;
if (!codec->update_thread_context && (avctx->thread_safe_callbacks || avctx->get_buffer == avcodec_default_get_buffer))
ff_thread_finish_setup(avctx);
pthread_mutex_lock(&p->mutex);
avcodec_get_frame_defaults(&p->frame);
p->got_frame = 0;
p->result = codec->decode(avctx, &p->frame, &p->got_frame, &p->avpkt);
if (p->state == STATE_SETTING_UP) ff_thread_finish_setup(avctx);
pthread_mutex_lock(&p->progress_mutex);
for (i = 0; i < MAX_BUFFERS; i++)
if (p->progress_used[i]) {
p->progress[i][0] = INT_MAX;
p->progress[i][1] = INT_MAX;
}
p->state = STATE_INPUT_READY;
pthread_cond_broadcast(&p->progress_cond);
pthread_cond_signal(&p->output_cond);
pthread_mutex_unlock(&p->progress_mutex);
pthread_mutex_unlock(&p->mutex);
}
return NULL;
}
| 17,384 |
qemu | 83cc6f8c2f134ccff1a41ed86bbe3bc305e0c334 | 1 | static void gen_spr_970_pmu_sup(CPUPPCState *env)
{
spr_register(env, SPR_970_PMC7, "PMC7",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
spr_register(env, SPR_970_PMC8, "PMC8",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
}
| 17,385 |
FFmpeg | 4adf75cade6905f33baeeaca559013467dc7d1ae | 1 | static av_cold int hevc_sdp_parse_fmtp_config(AVFormatContext *s,
AVStream *stream,
PayloadContext *hevc_data,
char *attr, char *value)
{
/* profile-space: 0-3 */
/* profile-id: 0-31 */
if (!strcmp(attr, "profile-id")) {
hevc_data->profile_id = atoi(value);
av_dlog(s, "SDP: found profile-id: %d\n", hevc_data->profile_id);
}
/* tier-flag: 0-1 */
/* level-id: 0-255 */
/* interop-constraints: [base16] */
/* profile-compatibility-indicator: [base16] */
/* sprop-sub-layer-id: 0-6, defines highest possible value for TID, default: 6 */
/* recv-sub-layer-id: 0-6 */
/* max-recv-level-id: 0-255 */
/* tx-mode: MSM,SSM */
/* sprop-vps: [base64] */
/* sprop-sps: [base64] */
/* sprop-pps: [base64] */
/* sprop-sei: [base64] */
if (!strcmp(attr, "sprop-vps") || !strcmp(attr, "sprop-sps") ||
!strcmp(attr, "sprop-pps") || !strcmp(attr, "sprop-sei")) {
uint8_t **data_ptr;
int *size_ptr;
if (!strcmp(attr, "sprop-vps")) {
data_ptr = &hevc_data->vps;
size_ptr = &hevc_data->vps_size;
} else if (!strcmp(attr, "sprop-sps")) {
data_ptr = &hevc_data->sps;
size_ptr = &hevc_data->sps_size;
} else if (!strcmp(attr, "sprop-pps")) {
data_ptr = &hevc_data->pps;
size_ptr = &hevc_data->pps_size;
} else if (!strcmp(attr, "sprop-sei")) {
data_ptr = &hevc_data->sei;
size_ptr = &hevc_data->sei_size;
}
while (*value) {
char base64packet[1024];
uint8_t decoded_packet[1024];
int decoded_packet_size;
char *dst = base64packet;
while (*value && *value != ',' &&
(dst - base64packet) < sizeof(base64packet) - 1) {
*dst++ = *value++;
}
*dst++ = '\0';
if (*value == ',')
value++;
decoded_packet_size = av_base64_decode(decoded_packet, base64packet,
sizeof(decoded_packet));
if (decoded_packet_size > 0) {
uint8_t *tmp = av_realloc(*data_ptr, decoded_packet_size +
sizeof(start_sequence) + *size_ptr);
if (!tmp) {
av_log(s, AV_LOG_ERROR,
"Unable to allocate memory for extradata!\n");
return AVERROR(ENOMEM);
}
*data_ptr = tmp;
memcpy(*data_ptr + *size_ptr, start_sequence,
sizeof(start_sequence));
memcpy(*data_ptr + *size_ptr + sizeof(start_sequence),
decoded_packet, decoded_packet_size);
*size_ptr += sizeof(start_sequence) + decoded_packet_size;
}
}
}
/* max-lsr, max-lps, max-cpb, max-dpb, max-br, max-tr, max-tc */
/* max-fps */
/* sprop-max-don-diff: 0-32767
When the RTP stream depends on one or more other RTP
streams (in this case tx-mode MUST be equal to "MSM" and
MSM is in use), this parameter MUST be present and the
value MUST be greater than 0.
*/
if (!strcmp(attr, "sprop-max-don-diff")) {
if (atoi(value) > 0)
hevc_data->using_donl_field = 1;
av_dlog(s, "Found sprop-max-don-diff in SDP, DON field usage is: %d\n",
hevc_data->using_donl_field);
}
/* sprop-depack-buf-nalus: 0-32767 */
if (!strcmp(attr, "sprop-depack-buf-nalus")) {
if (atoi(value) > 0)
hevc_data->using_donl_field = 1;
av_dlog(s, "Found sprop-depack-buf-nalus in SDP, DON field usage is: %d\n",
hevc_data->using_donl_field);
}
/* sprop-depack-buf-bytes: 0-4294967295 */
/* depack-buf-cap */
/* sprop-segmentation-id: 0-3 */
/* sprop-spatial-segmentation-idc: [base16] */
/* dec-parallel-ca: */
/* include-dph */
return 0;
}
| 17,387 |
FFmpeg | 63d33cf4390a9280b1ba42ee722f3140cf1cad3e | 1 | static int svq3_decode_frame (AVCodecContext *avctx,
void *data, int *data_size,
uint8_t *buf, int buf_size) {
MpegEncContext *const s = avctx->priv_data;
H264Context *const h = avctx->priv_data;
int m, mb_type;
unsigned char *extradata;
unsigned int size;
s->flags = avctx->flags;
s->flags2 = avctx->flags2;
s->unrestricted_mv = 1;
if (!s->context_initialized) {
s->width = avctx->width;
s->height = avctx->height;
h->pred4x4[DIAG_DOWN_LEFT_PRED] = pred4x4_down_left_svq3_c;
h->pred16x16[PLANE_PRED8x8] = pred16x16_plane_svq3_c;
h->halfpel_flag = 1;
h->thirdpel_flag = 1;
h->unknown_svq3_flag = 0;
h->chroma_qp = 4;
if (MPV_common_init (s) < 0)
return -1;
h->b_stride = 4*s->mb_width;
alloc_tables (h);
/* prowl for the "SEQH" marker in the extradata */
extradata = (unsigned char *)avctx->extradata;
for (m = 0; m < avctx->extradata_size; m++) {
if (!memcmp (extradata, "SEQH", 4))
break;
extradata++;
}
/* if a match was found, parse the extra data */
if (!memcmp (extradata, "SEQH", 4)) {
GetBitContext gb;
size = BE_32(&extradata[4]);
init_get_bits (&gb, extradata + 8, size);
/* 'frame size code' and optional 'width, height' */
if (get_bits (&gb, 3) == 7) {
get_bits (&gb, 12);
get_bits (&gb, 12);
}
h->halfpel_flag = get_bits1 (&gb);
h->thirdpel_flag = get_bits1 (&gb);
/* unknown fields */
get_bits1 (&gb);
get_bits1 (&gb);
get_bits1 (&gb);
get_bits1 (&gb);
s->low_delay = get_bits1 (&gb);
/* unknown field */
get_bits1 (&gb);
while (get_bits1 (&gb)) {
get_bits (&gb, 8);
}
h->unknown_svq3_flag = get_bits1 (&gb);
avctx->has_b_frames = !s->low_delay;
}
}
/* special case for last picture */
if (buf_size == 0) {
if (s->next_picture_ptr && !s->low_delay) {
*(AVFrame *) data = *(AVFrame *) &s->next_picture;
*data_size = sizeof(AVFrame);
}
return 0;
}
init_get_bits (&s->gb, buf, 8*buf_size);
s->mb_x = s->mb_y = 0;
if (svq3_decode_slice_header (h))
return -1;
s->pict_type = h->slice_type;
s->picture_number = h->slice_num;
if(avctx->debug&FF_DEBUG_PICT_INFO){
av_log(h->s.avctx, AV_LOG_DEBUG, "%c hpel:%d, tpel:%d aqp:%d qp:%d\n",
av_get_pict_type_char(s->pict_type), h->halfpel_flag, h->thirdpel_flag,
s->adaptive_quant, s->qscale
);
}
/* for hurry_up==5 */
s->current_picture.pict_type = s->pict_type;
s->current_picture.key_frame = (s->pict_type == I_TYPE);
/* skip b frames if we dont have reference frames */
if (s->last_picture_ptr == NULL && s->pict_type == B_TYPE) return 0;
/* skip b frames if we are in a hurry */
if (avctx->hurry_up && s->pict_type == B_TYPE) return 0;
/* skip everything if we are in a hurry >= 5 */
if (avctx->hurry_up >= 5) return 0;
if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==B_TYPE)
||(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=I_TYPE)
|| avctx->skip_frame >= AVDISCARD_ALL)
return 0;
if (s->next_p_frame_damaged) {
if (s->pict_type == B_TYPE)
return 0;
else
s->next_p_frame_damaged = 0;
}
frame_start (h);
if (s->pict_type == B_TYPE) {
h->frame_num_offset = (h->slice_num - h->prev_frame_num);
if (h->frame_num_offset < 0) {
h->frame_num_offset += 256;
}
if (h->frame_num_offset == 0 || h->frame_num_offset >= h->prev_frame_num_offset) {
av_log(h->s.avctx, AV_LOG_ERROR, "error in B-frame picture id\n");
return -1;
}
} else {
h->prev_frame_num = h->frame_num;
h->frame_num = h->slice_num;
h->prev_frame_num_offset = (h->frame_num - h->prev_frame_num);
if (h->prev_frame_num_offset < 0) {
h->prev_frame_num_offset += 256;
}
}
for(m=0; m<2; m++){
int i;
for(i=0; i<4; i++){
int j;
for(j=-1; j<4; j++)
h->ref_cache[m][scan8[0] + 8*i + j]= 1;
h->ref_cache[m][scan8[0] + 8*i + j]= PART_NOT_AVAILABLE;
}
}
for (s->mb_y=0; s->mb_y < s->mb_height; s->mb_y++) {
for (s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) {
if ( (get_bits_count(&s->gb) + 7) >= s->gb.size_in_bits &&
((get_bits_count(&s->gb) & 7) == 0 || show_bits (&s->gb, (-get_bits_count(&s->gb) & 7)) == 0)) {
skip_bits(&s->gb, h->next_slice_index - get_bits_count(&s->gb));
s->gb.size_in_bits = 8*buf_size;
if (svq3_decode_slice_header (h))
return -1;
/* TODO: support s->mb_skip_run */
}
mb_type = svq3_get_ue_golomb (&s->gb);
if (s->pict_type == I_TYPE) {
mb_type += 8;
} else if (s->pict_type == B_TYPE && mb_type >= 4) {
mb_type += 4;
}
if (mb_type > 33 || svq3_decode_mb (h, mb_type)) {
av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
return -1;
}
if (mb_type != 0) {
hl_decode_mb (h);
}
if (s->pict_type != B_TYPE && !s->low_delay) {
s->current_picture.mb_type[s->mb_x + s->mb_y*s->mb_stride] =
(s->pict_type == P_TYPE && mb_type < 8) ? (mb_type - 1) : -1;
}
}
ff_draw_horiz_band(s, 16*s->mb_y, 16);
}
MPV_frame_end(s);
if (s->pict_type == B_TYPE || s->low_delay) {
*(AVFrame *) data = *(AVFrame *) &s->current_picture;
} else {
*(AVFrame *) data = *(AVFrame *) &s->last_picture;
}
avctx->frame_number = s->picture_number - 1;
/* dont output the last pic after seeking */
if (s->last_picture_ptr || s->low_delay) {
*data_size = sizeof(AVFrame);
}
return buf_size;
}
| 17,389 |
qemu | 60fe637bf0e4d7989e21e50f52526444765c63b4 | 1 | static int qemu_rdma_reg_whole_ram_blocks(RDMAContext *rdma)
{
int i;
RDMALocalBlocks *local = &rdma->local_ram_blocks;
for (i = 0; i < local->nb_blocks; i++) {
local->block[i].mr =
ibv_reg_mr(rdma->pd,
local->block[i].local_host_addr,
local->block[i].length,
IBV_ACCESS_LOCAL_WRITE |
IBV_ACCESS_REMOTE_WRITE
);
if (!local->block[i].mr) {
perror("Failed to register local dest ram block!\n");
break;
}
rdma->total_registrations++;
}
if (i >= local->nb_blocks) {
return 0;
}
for (i--; i >= 0; i--) {
ibv_dereg_mr(local->block[i].mr);
rdma->total_registrations--;
}
return -1;
}
| 17,390 |
FFmpeg | f92f4935acd7d974adfd1deebdf1bb06cbe107ca | 1 | static int encode_plane(AVCodecContext *avctx, uint8_t *src,
uint8_t *dst, int step, int stride,
int width, int height, PutByteContext *pb)
{
UtvideoContext *c = avctx->priv_data;
uint8_t lengths[256];
uint32_t counts[256] = { 0 };
HuffEntry he[256];
uint32_t offset = 0, slice_len = 0;
int i, sstart, send = 0;
int symbol;
/* Do prediction / make planes */
switch (c->frame_pred) {
case PRED_NONE:
for (i = 0; i < c->slices; i++) {
sstart = send;
send = height * (i + 1) / c->slices;
write_plane(src + sstart * stride, dst + sstart * width,
step, stride, width, send - sstart);
}
break;
case PRED_LEFT:
for (i = 0; i < c->slices; i++) {
sstart = send;
send = height * (i + 1) / c->slices;
left_predict(src + sstart * stride, dst + sstart * width,
step, stride, width, send - sstart);
}
break;
case PRED_MEDIAN:
for (i = 0; i < c->slices; i++) {
sstart = send;
send = height * (i + 1) / c->slices;
median_predict(src + sstart * stride, dst + sstart * width,
step, stride, width, send - sstart);
}
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unknown prediction mode: %d\n",
c->frame_pred);
return AVERROR_OPTION_NOT_FOUND;
}
/* Count the usage of values */
count_usage(dst, width, height, counts);
/* Check for a special case where only one symbol was used */
for (symbol = 0; symbol < 256; symbol++) {
/* If non-zero count is found, see if it matches width * height */
if (counts[symbol]) {
/* Special case if only one symbol was used */
if (counts[symbol] == width * height) {
/*
* Write a zero for the single symbol
* used in the plane, else 0xFF.
*/
for (i = 0; i < 256; i++) {
if (i == symbol)
bytestream2_put_byte(pb, 0);
else
bytestream2_put_byte(pb, 0xFF);
}
/* Write zeroes for lengths */
for (i = 0; i < c->slices; i++)
bytestream2_put_le32(pb, 0);
/* And that's all for that plane folks */
return 0;
}
break;
}
}
/* Calculate huffman lengths */
calculate_code_lengths(lengths, counts);
/*
* Write the plane's header into the output packet:
* - huffman code lengths (256 bytes)
* - slice end offsets (gotten from the slice lengths)
*/
for (i = 0; i < 256; i++) {
bytestream2_put_byte(pb, lengths[i]);
he[i].len = lengths[i];
he[i].sym = i;
}
/* Calculate the huffman codes themselves */
calculate_codes(he);
send = 0;
for (i = 0; i < c->slices; i++) {
sstart = send;
send = height * (i + 1) / c->slices;
/*
* Write the huffman codes to a buffer,
* get the offset in bits and convert to bytes.
*/
offset += write_huff_codes(dst + sstart * width, c->slice_bits,
width * (send - sstart), width,
send - sstart, he) >> 3;
slice_len = offset - slice_len;
/* Byteswap the written huffman codes */
c->dsp.bswap_buf((uint32_t *) c->slice_bits,
(uint32_t *) c->slice_bits,
slice_len >> 2);
/* Write the offset to the stream */
bytestream2_put_le32(pb, offset);
/* Seek to the data part of the packet */
bytestream2_seek_p(pb, 4 * (c->slices - i - 1) +
offset - slice_len, SEEK_CUR);
/* Write the slices' data into the output packet */
bytestream2_put_buffer(pb, c->slice_bits, slice_len);
/* Seek back to the slice offsets */
bytestream2_seek_p(pb, -4 * (c->slices - i - 1) - offset,
SEEK_CUR);
slice_len = offset;
}
/* And at the end seek to the end of written slice(s) */
bytestream2_seek_p(pb, offset, SEEK_CUR);
return 0;
}
| 17,391 |
qemu | faadf50e2962dd54175647a80bd6fc4319c91973 | 1 | static void init_excp_4xx_real (CPUPPCState *env)
{
#if !defined(CONFIG_USER_ONLY)
env->excp_vectors[POWERPC_EXCP_CRITICAL] = 0x00000100;
env->excp_vectors[POWERPC_EXCP_MCHECK] = 0x00000200;
env->excp_vectors[POWERPC_EXCP_EXTERNAL] = 0x00000500;
env->excp_vectors[POWERPC_EXCP_ALIGN] = 0x00000600;
env->excp_vectors[POWERPC_EXCP_PROGRAM] = 0x00000700;
env->excp_vectors[POWERPC_EXCP_SYSCALL] = 0x00000C00;
env->excp_vectors[POWERPC_EXCP_PIT] = 0x00001000;
env->excp_vectors[POWERPC_EXCP_FIT] = 0x00001010;
env->excp_vectors[POWERPC_EXCP_WDT] = 0x00001020;
env->excp_vectors[POWERPC_EXCP_DEBUG] = 0x00002000;
env->excp_prefix = 0x00000000;
env->ivor_mask = 0x0000FFF0;
env->ivpr_mask = 0xFFFF0000;
/* Hardware reset vector */
env->hreset_vector = 0xFFFFFFFCUL;
#endif
}
| 17,392 |
FFmpeg | 220b24c7c97dc033ceab1510549f66d0e7b52ef1 | 1 | static void libschroedinger_decode_buffer_free(SchroBuffer *schro_buf,
void *priv)
{
av_freep(&priv);
}
| 17,393 |
qemu | eabc977973103527bbb8fed69c91cfaa6691f8ab | 1 | void aio_set_dispatching(AioContext *ctx, bool dispatching)
{
ctx->dispatching = dispatching;
if (!dispatching) {
/* Write ctx->dispatching before reading e.g. bh->scheduled.
* Optimization: this is only needed when we're entering the "unsafe"
* phase where other threads must call event_notifier_set.
*/
smp_mb();
}
}
| 17,394 |
FFmpeg | f19af812a32c1398d48c3550d11dbc6aafbb2bfc | 1 | static int adx_encode_header(AVCodecContext *avctx,unsigned char *buf,size_t bufsize)
{
#if 0
struct {
uint32_t offset; /* 0x80000000 + sample start - 4 */
unsigned char unknown1[3]; /* 03 12 04 */
unsigned char channel; /* 1 or 2 */
uint32_t freq;
uint32_t size;
uint32_t unknown2; /* 01 f4 03 00 */
uint32_t unknown3; /* 00 00 00 00 */
uint32_t unknown4; /* 00 00 00 00 */
/* if loop
unknown3 00 15 00 01
unknown4 00 00 00 01
long loop_start_sample;
long loop_start_byte;
long loop_end_sample;
long loop_end_byte;
long
*/
} adxhdr; /* big endian */
/* offset-6 "(c)CRI" */
#endif
write_long(buf+0x00,0x80000000|0x20);
write_long(buf+0x04,0x03120400|avctx->channels);
write_long(buf+0x08,avctx->sample_rate);
write_long(buf+0x0c,0); /* FIXME: set after */
write_long(buf+0x10,0x01040300);
write_long(buf+0x14,0x00000000);
write_long(buf+0x18,0x00000000);
memcpy(buf+0x1c,"\0\0(c)CRI",8);
return 0x20+4;
}
| 17,395 |
qemu | 5c6c0e513600ba57c3e73b7151d3c0664438f7b5 | 1 | static vscsi_req *vscsi_find_req(VSCSIState *s, uint32_t tag)
{
if (tag >= VSCSI_REQ_LIMIT || !s->reqs[tag].active) {
return NULL;
}
return &s->reqs[tag];
}
| 17,396 |
FFmpeg | 7f526efd17973ec6d2204f7a47b6923e2be31363 | 1 | static inline void RENAME(rgb24tobgr15)(const uint8_t *src, uint8_t *dst, unsigned src_size)
{
const uint8_t *s = src;
const uint8_t *end;
#ifdef HAVE_MMX
const uint8_t *mm_end;
#endif
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
#ifdef HAVE_MMX
__asm __volatile(PREFETCH" %0"::"m"(*src):"memory");
__asm __volatile(
"movq %0, %%mm7\n\t"
"movq %1, %%mm6\n\t"
::"m"(red_15mask),"m"(green_15mask));
mm_end = end - 15;
while(s < mm_end)
{
__asm __volatile(
PREFETCH" 32%1\n\t"
"movd %1, %%mm0\n\t"
"movd 3%1, %%mm3\n\t"
"punpckldq 6%1, %%mm0\n\t"
"punpckldq 9%1, %%mm3\n\t"
"movq %%mm0, %%mm1\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm3, %%mm4\n\t"
"movq %%mm3, %%mm5\n\t"
"psllq $7, %%mm0\n\t"
"psllq $7, %%mm3\n\t"
"pand %%mm7, %%mm0\n\t"
"pand %%mm7, %%mm3\n\t"
"psrlq $6, %%mm1\n\t"
"psrlq $6, %%mm4\n\t"
"pand %%mm6, %%mm1\n\t"
"pand %%mm6, %%mm4\n\t"
"psrlq $19, %%mm2\n\t"
"psrlq $19, %%mm5\n\t"
"pand %2, %%mm2\n\t"
"pand %2, %%mm5\n\t"
"por %%mm1, %%mm0\n\t"
"por %%mm4, %%mm3\n\t"
"por %%mm2, %%mm0\n\t"
"por %%mm5, %%mm3\n\t"
"psllq $16, %%mm3\n\t"
"por %%mm3, %%mm0\n\t"
MOVNTQ" %%mm0, %0\n\t"
:"=m"(*d):"m"(*s),"m"(blue_15mask):"memory");
d += 4;
s += 12;
}
__asm __volatile(SFENCE:::"memory");
__asm __volatile(EMMS:::"memory");
#endif
while(s < end)
{
const int r= *s++;
const int g= *s++;
const int b= *s++;
*d++ = (b>>3) | ((g&0xF8)<<2) | ((r&0xF8)<<7);
}
}
| 17,397 |
FFmpeg | 254af56dd101bc756194dd080bb99e8f123500dd | 1 | static void read_tree(GetBitContext *gb, Tree *tree)
{
uint8_t tmp1[16], tmp2[16], *in = tmp1, *out = tmp2;
int i, t, len;
tree->vlc_num = get_bits(gb, 4);
if (!tree->vlc_num) {
for (i = 0; i < 16; i++)
tree->syms[i] = i;
return;
}
if (get_bits1(gb)) {
len = get_bits(gb, 3);
memset(tmp1, 0, sizeof(tmp1));
for (i = 0; i <= len; i++) {
tree->syms[i] = get_bits(gb, 4);
tmp1[tree->syms[i]] = 1;
}
for (i = 0; i < 16; i++)
if (!tmp1[i])
tree->syms[++len] = i;
} else {
len = get_bits(gb, 2);
for (i = 0; i < 16; i++)
in[i] = i;
for (i = 0; i <= len; i++) {
int size = 1 << i;
for (t = 0; t < 16; t += size << 1)
merge(gb, out + t, in + t, size);
FFSWAP(uint8_t*, in, out);
}
memcpy(tree->syms, in, 16);
}
}
| 17,399 |
qemu | d2ff85854512574e7209f295e87b0835d5b032c6 | 1 | uint32_t ide_data_readl(void *opaque, uint32_t addr)
{
IDEBus *bus = opaque;
IDEState *s = idebus_active_if(bus);
uint8_t *p;
int ret;
/* PIO data access allowed only when DRQ bit is set. The result of a read
* during PIO in is indeterminate, return 0 and don't move forward. */
if (!(s->status & DRQ_STAT) || !ide_is_pio_out(s)) {
p = s->data_ptr;
ret = cpu_to_le32(*(uint32_t *)p);
p += 4;
s->data_ptr = p;
if (p >= s->data_end)
s->end_transfer_func(s);
return ret; | 17,400 |
qemu | e88774971c33671477c9eb4a4cf1e65a047c9838 | 1 | void do_commit(Monitor *mon, const QDict *qdict)
{
const char *device = qdict_get_str(qdict, "device");
BlockDriverState *bs;
if (!strcmp(device, "all")) {
bdrv_commit_all();
} else {
int ret;
bs = bdrv_find(device);
if (!bs) {
qerror_report(QERR_DEVICE_NOT_FOUND, device);
return;
}
ret = bdrv_commit(bs);
if (ret == -EBUSY) {
qerror_report(QERR_DEVICE_IN_USE, device);
return;
}
}
}
| 17,401 |
FFmpeg | fe479c9d63f0743fa064ac2a5c019284ba88277a | 1 | void avfilter_start_frame(AVFilterLink *link, AVFilterPicRef *picref)
{
void (*start_frame)(AVFilterLink *, AVFilterPicRef *);
AVFilterPad *dst = &link_dpad(link);
if(!(start_frame = dst->start_frame))
start_frame = avfilter_default_start_frame;
/* prepare to copy the picture if it has insufficient permissions */
if((dst->min_perms & picref->perms) != dst->min_perms ||
dst->rej_perms & picref->perms) {
/*
av_log(link->dst, AV_LOG_INFO,
"frame copy needed (have perms %x, need %x, reject %x)\n",
picref->perms,
link_dpad(link).min_perms, link_dpad(link).rej_perms);
*/
link->cur_pic = avfilter_default_get_video_buffer(link, dst->min_perms);
link->srcpic = picref;
link->cur_pic->pts = link->srcpic->pts;
}
else
link->cur_pic = picref;
start_frame(link, link->cur_pic);
} | 17,403 |
FFmpeg | 3f07dd6e392bf35a478203dc60fcbd36dfdd42aa | 1 | static void ffserver_apply_stream_config(AVCodecContext *enc, const AVDictionary *conf, AVDictionary **opts)
{
AVDictionaryEntry *e;
/* Return values from ffserver_set_*_param are ignored.
Values are initially parsed and checked before inserting to
AVDictionary. */
//video params
if ((e = av_dict_get(conf, "VideoBitRateRangeMin", NULL, 0)))
ffserver_set_int_param(&enc->rc_min_rate, e->value, 1000, INT_MIN,
INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoBitRateRangeMax", NULL, 0)))
ffserver_set_int_param(&enc->rc_max_rate, e->value, 1000, INT_MIN,
INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "Debug", NULL, 0)))
ffserver_set_int_param(&enc->debug, e->value, 0, INT_MIN, INT_MAX,
NULL, 0, NULL);
if ((e = av_dict_get(conf, "Strict", NULL, 0)))
ffserver_set_int_param(&enc->strict_std_compliance, e->value, 0,
INT_MIN, INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoBufferSize", NULL, 0)))
ffserver_set_int_param(&enc->rc_buffer_size, e->value, 8*1024,
INT_MIN, INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoBitRateTolerance", NULL, 0)))
ffserver_set_int_param(&enc->bit_rate_tolerance, e->value, 1000,
INT_MIN, INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoBitRate", NULL, 0)))
ffserver_set_int_param(&enc->bit_rate, e->value, 1000, INT_MIN,
INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoSizeWidth", NULL, 0)))
ffserver_set_int_param(&enc->width, e->value, 0, INT_MIN, INT_MAX,
NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoSizeHeight", NULL, 0)))
ffserver_set_int_param(&enc->height, e->value, 0, INT_MIN, INT_MAX,
NULL, 0, NULL);
if ((e = av_dict_get(conf, "PixelFormat", NULL, 0))) {
int val;
ffserver_set_int_param(&val, e->value, 0, INT_MIN, INT_MAX, NULL, 0,
NULL);
enc->pix_fmt = val;
}
if ((e = av_dict_get(conf, "VideoGopSize", NULL, 0)))
ffserver_set_int_param(&enc->gop_size, e->value, 0, INT_MIN, INT_MAX,
NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoFrameRateNum", NULL, 0)))
ffserver_set_int_param(&enc->time_base.num, e->value, 0, INT_MIN,
INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoFrameRateDen", NULL, 0)))
ffserver_set_int_param(&enc->time_base.den, e->value, 0, INT_MIN,
INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoQDiff", NULL, 0)))
ffserver_set_int_param(&enc->max_qdiff, e->value, 0, INT_MIN, INT_MAX,
NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoQMax", NULL, 0)))
ffserver_set_int_param(&enc->qmax, e->value, 0, INT_MIN, INT_MAX, NULL,
0, NULL);
if ((e = av_dict_get(conf, "VideoQMin", NULL, 0)))
ffserver_set_int_param(&enc->qmin, e->value, 0, INT_MIN, INT_MAX, NULL,
0, NULL);
if ((e = av_dict_get(conf, "LumiMask", NULL, 0)))
ffserver_set_float_param(&enc->lumi_masking, e->value, 0, -FLT_MAX,
FLT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "DarkMask", NULL, 0)))
ffserver_set_float_param(&enc->dark_masking, e->value, 0, -FLT_MAX,
FLT_MAX, NULL, 0, NULL);
if (av_dict_get(conf, "BitExact", NULL, 0))
enc->flags |= CODEC_FLAG_BITEXACT;
if (av_dict_get(conf, "DctFastint", NULL, 0))
enc->dct_algo = FF_DCT_FASTINT;
if (av_dict_get(conf, "IdctSimple", NULL, 0))
enc->idct_algo = FF_IDCT_SIMPLE;
if (av_dict_get(conf, "VideoHighQuality", NULL, 0))
enc->mb_decision = FF_MB_DECISION_BITS;
if ((e = av_dict_get(conf, "VideoTag", NULL, 0)))
enc->codec_tag = MKTAG(e->value[0], e->value[1], e->value[2], e->value[3]);
if (av_dict_get(conf, "Qscale", NULL, 0)) {
enc->flags |= CODEC_FLAG_QSCALE;
ffserver_set_int_param(&enc->global_quality, e->value, FF_QP2LAMBDA,
INT_MIN, INT_MAX, NULL, 0, NULL);
}
if (av_dict_get(conf, "Video4MotionVector", NULL, 0)) {
enc->mb_decision = FF_MB_DECISION_BITS; //FIXME remove
enc->flags |= CODEC_FLAG_4MV;
}
//audio params
if ((e = av_dict_get(conf, "AudioChannels", NULL, 0)))
ffserver_set_int_param(&enc->channels, e->value, 0, INT_MIN, INT_MAX,
NULL, 0, NULL);
if ((e = av_dict_get(conf, "AudioSampleRate", NULL, 0)))
ffserver_set_int_param(&enc->sample_rate, e->value, 0, INT_MIN,
INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "AudioBitRate", NULL, 0)))
ffserver_set_int_param(&enc->bit_rate, e->value, 0, INT_MIN, INT_MAX,
NULL, 0, NULL);
av_opt_set_dict2(enc->priv_data, opts, AV_OPT_SEARCH_CHILDREN);
av_opt_set_dict2(enc, opts, AV_OPT_SEARCH_CHILDREN);
if (av_dict_count(*opts))
av_log(NULL, AV_LOG_ERROR, "Something went wrong, %d options not set!!!\n", av_dict_count(*opts));
}
| 17,404 |
qemu | b4548fcc0314f5e118ed45b5774e9cd99f9a97d3 | 1 | static uint32_t grlib_gptimer_readl(void *opaque, target_phys_addr_t addr)
{
GPTimerUnit *unit = opaque;
target_phys_addr_t timer_addr;
int id;
uint32_t value = 0;
addr &= 0xff;
/* Unit registers */
switch (addr) {
case SCALER_OFFSET:
trace_grlib_gptimer_readl(-1, "scaler:", unit->scaler);
return unit->scaler;
case SCALER_RELOAD_OFFSET:
trace_grlib_gptimer_readl(-1, "reload:", unit->reload);
return unit->reload;
case CONFIG_OFFSET:
trace_grlib_gptimer_readl(-1, "config:", unit->config);
return unit->config;
default:
break;
}
timer_addr = (addr % TIMER_BASE);
id = (addr - TIMER_BASE) / TIMER_BASE;
if (id >= 0 && id < unit->nr_timers) {
/* GPTimer registers */
switch (timer_addr) {
case COUNTER_OFFSET:
value = ptimer_get_count(unit->timers[id].ptimer);
trace_grlib_gptimer_readl(id, "counter value:", value);
return value;
case COUNTER_RELOAD_OFFSET:
value = unit->timers[id].reload;
trace_grlib_gptimer_readl(id, "reload value:", value);
return value;
case CONFIG_OFFSET:
trace_grlib_gptimer_readl(id, "scaler value:",
unit->timers[id].config);
return unit->timers[id].config;
default:
break;
}
}
trace_grlib_gptimer_unknown_register("read", addr);
return 0;
}
| 17,405 |
FFmpeg | 4618637aca3b771b0bfb8fe15f3a080dacf9f0c0 | 1 | static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
{
AVStream *st;
AVOutputStream *ost;
AVCodec *codec=NULL;
AVCodecContext *subtitle_enc;
enum CodecID codec_id;
st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
if (!st) {
fprintf(stderr, "Could not alloc stream\n");
ffmpeg_exit(1);
}
ost = new_output_stream(oc, file_idx);
subtitle_enc = st->codec;
output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
if(!subtitle_stream_copy){
if (subtitle_codec_name) {
codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
codec= output_codecs[nb_output_codecs-1] = avcodec_find_encoder_by_name(subtitle_codec_name);
} else {
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
codec = avcodec_find_encoder(codec_id);
}
}
avcodec_get_context_defaults3(st->codec, codec);
ost->bitstream_filters = subtitle_bitstream_filters;
subtitle_bitstream_filters= NULL;
subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
if(subtitle_codec_tag)
subtitle_enc->codec_tag= subtitle_codec_tag;
if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;
}
if (subtitle_stream_copy) {
st->stream_copy = 1;
} else {
subtitle_enc->codec_id = codec_id;
set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
}
if (subtitle_language) {
av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
av_freep(&subtitle_language);
}
subtitle_disable = 0;
av_freep(&subtitle_codec_name);
subtitle_stream_copy = 0;
}
| 17,406 |
FFmpeg | c3ab0004ae4dffc32494ae84dd15cfaa909a7884 | 1 | static inline void RENAME(bgr24ToUV_mmx)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, int width, enum PixelFormat srcFormat)
{
__asm__ volatile(
"movq 24+%4, %%mm6 \n\t"
"mov %3, %%"REG_a" \n\t"
"pxor %%mm7, %%mm7 \n\t"
"1: \n\t"
PREFETCH" 64(%0) \n\t"
"movd (%0), %%mm0 \n\t"
"movd 2(%0), %%mm1 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpcklbw %%mm7, %%mm1 \n\t"
"movq %%mm0, %%mm2 \n\t"
"movq %%mm1, %%mm3 \n\t"
"pmaddwd %4, %%mm0 \n\t"
"pmaddwd 8+%4, %%mm1 \n\t"
"pmaddwd 16+%4, %%mm2 \n\t"
"pmaddwd %%mm6, %%mm3 \n\t"
"paddd %%mm1, %%mm0 \n\t"
"paddd %%mm3, %%mm2 \n\t"
"movd 6(%0), %%mm1 \n\t"
"movd 8(%0), %%mm3 \n\t"
"add $12, %0 \n\t"
"punpcklbw %%mm7, %%mm1 \n\t"
"punpcklbw %%mm7, %%mm3 \n\t"
"movq %%mm1, %%mm4 \n\t"
"movq %%mm3, %%mm5 \n\t"
"pmaddwd %4, %%mm1 \n\t"
"pmaddwd 8+%4, %%mm3 \n\t"
"pmaddwd 16+%4, %%mm4 \n\t"
"pmaddwd %%mm6, %%mm5 \n\t"
"paddd %%mm3, %%mm1 \n\t"
"paddd %%mm5, %%mm4 \n\t"
"movq "MANGLE(ff_bgr24toUVOffset)", %%mm3 \n\t"
"paddd %%mm3, %%mm0 \n\t"
"paddd %%mm3, %%mm2 \n\t"
"paddd %%mm3, %%mm1 \n\t"
"paddd %%mm3, %%mm4 \n\t"
"psrad $15, %%mm0 \n\t"
"psrad $15, %%mm2 \n\t"
"psrad $15, %%mm1 \n\t"
"psrad $15, %%mm4 \n\t"
"packssdw %%mm1, %%mm0 \n\t"
"packssdw %%mm4, %%mm2 \n\t"
"packuswb %%mm0, %%mm0 \n\t"
"packuswb %%mm2, %%mm2 \n\t"
"movd %%mm0, (%1, %%"REG_a") \n\t"
"movd %%mm2, (%2, %%"REG_a") \n\t"
"add $4, %%"REG_a" \n\t"
" js 1b \n\t"
: "+r" (src)
: "r" (dstU+width), "r" (dstV+width), "g" ((x86_reg)-width), "m"(ff_bgr24toUV[srcFormat == PIX_FMT_RGB24][0])
: "%"REG_a
);
}
| 17,408 |
qemu | 09d7ae9000fe27d1861cb0348cbf71563ded6148 | 1 | static ram_addr_t find_ram_offset(ram_addr_t size)
{
RAMBlock *block, *next_block;
ram_addr_t offset, mingap = ULONG_MAX;
if (QLIST_EMPTY(&ram_list.blocks))
return 0;
QLIST_FOREACH(block, &ram_list.blocks, next) {
ram_addr_t end, next = ULONG_MAX;
end = block->offset + block->length;
QLIST_FOREACH(next_block, &ram_list.blocks, next) {
if (next_block->offset >= end) {
next = MIN(next, next_block->offset);
}
}
if (next - end >= size && next - end < mingap) {
offset = end;
mingap = next - end;
}
}
return offset;
}
| 17,409 |
FFmpeg | 71c2a70cbfbb5fea6dffa5e462b0227565e29bcc | 1 | static void guess_dc(MpegEncContext *s, int16_t *dc, int w,
int h, int stride, int is_luma)
{
int b_x, b_y;
int16_t (*col )[4] = av_malloc(stride*h*sizeof( int16_t)*4);
uint32_t (*dist)[4] = av_malloc(stride*h*sizeof(uint32_t)*4);
for(b_y=0; b_y<h; b_y++){
int color= 1024;
int distance= -1;
for(b_x=0; b_x<w; b_x++){
int mb_index_j= (b_x>>is_luma) + (b_y>>is_luma)*s->mb_stride;
int error_j= s->error_status_table[mb_index_j];
int intra_j = IS_INTRA(s->current_picture.f.mb_type[mb_index_j]);
if(intra_j==0 || !(error_j&ER_DC_ERROR)){
color= dc[b_x + b_y*stride];
distance= b_x;
}
col [b_x + b_y*stride][1]= color;
dist[b_x + b_y*stride][1]= distance >= 0 ? b_x-distance : 9999;
}
color= 1024;
distance= -1;
for(b_x=w-1; b_x>=0; b_x--){
int mb_index_j= (b_x>>is_luma) + (b_y>>is_luma)*s->mb_stride;
int error_j= s->error_status_table[mb_index_j];
int intra_j = IS_INTRA(s->current_picture.f.mb_type[mb_index_j]);
if(intra_j==0 || !(error_j&ER_DC_ERROR)){
color= dc[b_x + b_y*stride];
distance= b_x;
}
col [b_x + b_y*stride][0]= color;
dist[b_x + b_y*stride][0]= distance >= 0 ? distance-b_x : 9999;
}
}
for(b_x=0; b_x<w; b_x++){
int color= 1024;
int distance= -1;
for(b_y=0; b_y<h; b_y++){
int mb_index_j= (b_x>>is_luma) + (b_y>>is_luma)*s->mb_stride;
int error_j= s->error_status_table[mb_index_j];
int intra_j = IS_INTRA(s->current_picture.f.mb_type[mb_index_j]);
if(intra_j==0 || !(error_j&ER_DC_ERROR)){
color= dc[b_x + b_y*stride];
distance= b_y;
}
col [b_x + b_y*stride][3]= color;
dist[b_x + b_y*stride][3]= distance >= 0 ? b_y-distance : 9999;
}
color= 1024;
distance= -1;
for(b_y=h-1; b_y>=0; b_y--){
int mb_index_j= (b_x>>is_luma) + (b_y>>is_luma)*s->mb_stride;
int error_j= s->error_status_table[mb_index_j];
int intra_j = IS_INTRA(s->current_picture.f.mb_type[mb_index_j]);
if(intra_j==0 || !(error_j&ER_DC_ERROR)){
color= dc[b_x + b_y*stride];
distance= b_y;
}
col [b_x + b_y*stride][2]= color;
dist[b_x + b_y*stride][2]= distance >= 0 ? distance-b_y : 9999;
}
}
for (b_y = 0; b_y < h; b_y++) {
for (b_x = 0; b_x < w; b_x++) {
int mb_index, error, j;
int64_t guess, weight_sum;
mb_index = (b_x >> is_luma) + (b_y >> is_luma) * s->mb_stride;
error = s->error_status_table[mb_index];
if (IS_INTER(s->current_picture.f.mb_type[mb_index]))
continue; // inter
if (!(error & ER_DC_ERROR))
continue; // dc-ok
weight_sum = 0;
guess = 0;
for (j = 0; j < 4; j++) {
int64_t weight = 256 * 256 * 256 * 16 / dist[b_x + b_y*stride][j];
guess += weight*(int64_t)col[b_x + b_y*stride][j];
weight_sum += weight;
}
guess = (guess + weight_sum / 2) / weight_sum;
dc[b_x + b_y * stride] = guess;
}
}
av_freep(&col);
av_freep(&dist);
}
| 17,410 |
qemu | 0b8b8753e4d94901627b3e86431230f2319215c4 | 1 | Coroutine *qemu_coroutine_create(CoroutineEntry *entry)
{
Coroutine *co = NULL;
if (CONFIG_COROUTINE_POOL) {
co = QSLIST_FIRST(&alloc_pool);
if (!co) {
if (release_pool_size > POOL_BATCH_SIZE) {
/* Slow path; a good place to register the destructor, too. */
if (!coroutine_pool_cleanup_notifier.notify) {
coroutine_pool_cleanup_notifier.notify = coroutine_pool_cleanup;
qemu_thread_atexit_add(&coroutine_pool_cleanup_notifier);
}
/* This is not exact; there could be a little skew between
* release_pool_size and the actual size of release_pool. But
* it is just a heuristic, it does not need to be perfect.
*/
alloc_pool_size = atomic_xchg(&release_pool_size, 0);
QSLIST_MOVE_ATOMIC(&alloc_pool, &release_pool);
co = QSLIST_FIRST(&alloc_pool);
}
}
if (co) {
QSLIST_REMOVE_HEAD(&alloc_pool, pool_next);
alloc_pool_size--;
}
}
if (!co) {
co = qemu_coroutine_new();
}
co->entry = entry;
QSIMPLEQ_INIT(&co->co_queue_wakeup);
return co;
}
| 17,414 |
qemu | 2b76bdc965ba7b4f27133cb345101d9535ddaa79 | 1 | static void pxa2xx_gpio_write(void *opaque,
target_phys_addr_t offset, uint32_t value)
{
struct pxa2xx_gpio_info_s *s = (struct pxa2xx_gpio_info_s *) opaque;
int bank;
offset -= s->base;
if (offset >= 0x200)
return;
bank = pxa2xx_gpio_regs[offset].bank;
switch (pxa2xx_gpio_regs[offset].reg) {
case GPDR: /* GPIO Pin-Direction registers */
s->dir[bank] = value;
pxa2xx_gpio_handler_update(s);
break;
case GPSR: /* GPIO Pin-Output Set registers */
s->olevel[bank] |= value;
pxa2xx_gpio_handler_update(s);
break;
case GPCR: /* GPIO Pin-Output Clear registers */
s->olevel[bank] &= ~value;
pxa2xx_gpio_handler_update(s);
break;
case GRER: /* GPIO Rising-Edge Detect Enable registers */
s->rising[bank] = value;
break;
case GFER: /* GPIO Falling-Edge Detect Enable registers */
s->falling[bank] = value;
break;
case GAFR_L: /* GPIO Alternate Function registers */
s->gafr[bank * 2] = value;
break;
case GAFR_U: /* GPIO Alternate Function registers */
s->gafr[bank * 2 + 1] = value;
break;
case GEDR: /* GPIO Edge Detect Status registers */
s->status[bank] &= ~value;
pxa2xx_gpio_irq_update(s);
break;
default:
cpu_abort(cpu_single_env,
"%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset);
}
} | 17,415 |
FFmpeg | fb96ac469a1d375b473868984f832e3a7cdfc24c | 1 | static int decode_syncpoint(NUTContext *nut, int64_t *ts, int64_t *back_ptr)
{
AVFormatContext *s = nut->avf;
AVIOContext *bc = s->pb;
int64_t end;
uint64_t tmp;
nut->last_syncpoint_pos = avio_tell(bc) - 8;
end = get_packetheader(nut, bc, 1, SYNCPOINT_STARTCODE);
end += avio_tell(bc);
tmp = ffio_read_varlen(bc);
*back_ptr = nut->last_syncpoint_pos - 16 * ffio_read_varlen(bc);
if (*back_ptr < 0)
return -1;
ff_nut_reset_ts(nut, nut->time_base[tmp % nut->time_base_count],
tmp / nut->time_base_count);
if (skip_reserved(bc, end) || ffio_get_checksum(bc)) {
av_log(s, AV_LOG_ERROR, "sync point checksum mismatch\n");
return -1;
}
*ts = tmp / s->nb_streams *
av_q2d(nut->time_base[tmp % s->nb_streams]) * AV_TIME_BASE;
ff_nut_add_sp(nut, nut->last_syncpoint_pos, *back_ptr, *ts);
return 0;
}
| 17,416 |
qemu | d5f2af7b95b738b25272a98319b09540a0606d14 | 1 | static void coroutine_fn v9fs_flush(void *opaque)
{
ssize_t err;
int16_t tag;
size_t offset = 7;
V9fsPDU *cancel_pdu;
V9fsPDU *pdu = opaque;
V9fsState *s = pdu->s;
err = pdu_unmarshal(pdu, offset, "w", &tag);
if (err < 0) {
pdu_complete(pdu, err);
return;
}
trace_v9fs_flush(pdu->tag, pdu->id, tag);
QLIST_FOREACH(cancel_pdu, &s->active_list, next) {
if (cancel_pdu->tag == tag) {
break;
}
}
if (cancel_pdu) {
cancel_pdu->cancelled = 1;
/*
* Wait for pdu to complete.
*/
qemu_co_queue_wait(&cancel_pdu->complete, NULL);
cancel_pdu->cancelled = 0;
pdu_free(cancel_pdu);
}
pdu_complete(pdu, 7);
}
| 17,417 |
FFmpeg | 442c3a8cb1785d74f8e2d7ab35b1862b7088436b | 1 | static inline void expand_category(COOKContext *q, int *category,
int *category_index)
{
int i;
for (i = 0; i < q->num_vectors; i++)
++category[category_index[i]];
}
| 17,418 |
FFmpeg | d6604b29ef544793479d7fb4e05ef6622bb3e534 | 0 | static int gif_encode_close(AVCodecContext *avctx)
{
GIFContext *s = avctx->priv_data;
av_frame_free(&avctx->coded_frame);
av_freep(&s->lzw);
av_freep(&s->buf);
return 0;
}
| 17,419 |
FFmpeg | 341404f753fdbcddebb9fbce51f2ef057cceb79c | 0 | static av_cold int vqa_decode_end(AVCodecContext *avctx)
{
VqaContext *s = avctx->priv_data;
av_free(s->codebook);
av_free(s->next_codebook_buffer);
av_free(s->decode_buffer);
if (s->frame.data[0])
avctx->release_buffer(avctx, &s->frame);
return 0;
}
| 17,420 |
FFmpeg | d6604b29ef544793479d7fb4e05ef6622bb3e534 | 0 | static av_cold int pam_encode_init(AVCodecContext *avctx)
{
avctx->coded_frame = av_frame_alloc();
if (!avctx->coded_frame)
return AVERROR(ENOMEM);
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
avctx->coded_frame->key_frame = 1;
return 0;
}
| 17,421 |
qemu | 8b3b720620a1137a1b794fc3ed64734236f94e06 | 1 | static int write_l2_entries(BlockDriverState *bs, uint64_t *l2_table,
uint64_t l2_offset, int l2_index, int num)
{
int l2_start_index = l2_index & ~(L1_ENTRIES_PER_SECTOR - 1);
int start_offset = (8 * l2_index) & ~511;
int end_offset = (8 * (l2_index + num) + 511) & ~511;
size_t len = end_offset - start_offset;
int ret;
BLKDBG_EVENT(bs->file, BLKDBG_L2_UPDATE);
ret = bdrv_pwrite(bs->file, l2_offset + start_offset,
&l2_table[l2_start_index], len);
if (ret < 0) {
return ret;
}
return 0;
}
| 17,422 |
FFmpeg | d135f3c514ac1723256c8e0f5cdd466fe98a2578 | 1 | static void FUNC(put_hevc_qpel_bi_w_h)(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride,
int16_t *src2,
int height, int denom, int wx0, int wx1,
int ox0, int ox1, intptr_t mx, intptr_t my, int width)
{
int x, y;
pixel *src = (pixel*)_src;
ptrdiff_t srcstride = _srcstride / sizeof(pixel);
pixel *dst = (pixel *)_dst;
ptrdiff_t dststride = _dststride / sizeof(pixel);
const int8_t *filter = ff_hevc_qpel_filters[mx - 1];
int shift = 14 + 1 - BIT_DEPTH;
int log2Wd = denom + shift - 1;
ox0 = ox0 * (1 << (BIT_DEPTH - 8));
ox1 = ox1 * (1 << (BIT_DEPTH - 8));
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++)
dst[x] = av_clip_pixel(((QPEL_FILTER(src, 1) >> (BIT_DEPTH - 8)) * wx1 + src2[x] * wx0 +
((ox0 + ox1 + 1) << log2Wd)) >> (log2Wd + 1));
src += srcstride;
dst += dststride;
src2 += MAX_PB_SIZE;
}
}
| 17,423 |
qemu | f5ed36635d8fa73feb66fe12b3b9c2ed90a1adbe | 1 | void virtqueue_flush(VirtQueue *vq, unsigned int count)
{
uint16_t old, new;
/* Make sure buffer is written before we update index. */
smp_wmb();
trace_virtqueue_flush(vq, count);
old = vq->used_idx;
new = old + count;
vring_used_idx_set(vq, new);
if (unlikely((int16_t)(new - vq->signalled_used) < (uint16_t)(new - old)))
vq->signalled_used_valid = false; | 17,424 |
FFmpeg | e0704840404381c7b976a35db4004deca4495a22 | 1 | static void xbr4x(AVFrame *input, AVFrame *output, const uint32_t *r2y)
{
const int nl = output->linesize[0]>>2;
const int nl1 = nl + nl;
const int nl2 = nl1 + nl;
uint32_t pprev;
uint32_t pprev2;
int x, y;
for (y = 0; y < input->height; y++) {
uint32_t * E = (uint32_t *)(output->data[0] + y * output->linesize[0] * 4);
/* middle. Offset of -8 is given */
uint32_t * sa2 = (uint32_t *)(input->data[0] + y * input->linesize[0] - 8);
/* up one */
uint32_t * sa1 = sa2 - (input->linesize[0]>>2);
/* up two */
uint32_t * sa0 = sa1 - (input->linesize[0]>>2);
/* down one */
uint32_t * sa3 = sa2 + (input->linesize[0]>>2);
/* down two */
uint32_t * sa4 = sa3 + (input->linesize[0]>>2);
if (y <= 1) {
sa0 = sa1;
if (y == 0) {
sa0 = sa1 = sa2;
}
}
if (y >= input->height - 2) {
sa4 = sa3;
if (y == input->height - 1) {
sa4 = sa3 = sa2;
}
}
pprev = pprev2 = 2;
for (x = 0; x < input->width; x++) {
uint32_t B1 = sa0[2];
uint32_t PB = sa1[2];
uint32_t PE = sa2[2];
uint32_t PH = sa3[2];
uint32_t H5 = sa4[2];
uint32_t A1 = sa0[pprev];
uint32_t PA = sa1[pprev];
uint32_t PD = sa2[pprev];
uint32_t PG = sa3[pprev];
uint32_t G5 = sa4[pprev];
uint32_t A0 = sa1[pprev2];
uint32_t D0 = sa2[pprev2];
uint32_t G0 = sa3[pprev2];
uint32_t C1 = 0;
uint32_t PC = 0;
uint32_t PF = 0;
uint32_t PI = 0;
uint32_t I5 = 0;
uint32_t C4 = 0;
uint32_t F4 = 0;
uint32_t I4 = 0;
if (x >= input->width - 2) {
if (x == input->width - 1) {
C1 = sa0[2];
PC = sa1[2];
PF = sa2[2];
PI = sa3[2];
I5 = sa4[2];
C4 = sa1[2];
F4 = sa2[2];
I4 = sa3[2];
} else {
C1 = sa0[3];
PC = sa1[3];
PF = sa2[3];
PI = sa3[3];
I5 = sa4[3];
C4 = sa1[3];
F4 = sa2[3];
I4 = sa3[3];
}
} else {
C1 = sa0[3];
PC = sa1[3];
PF = sa2[3];
PI = sa3[3];
I5 = sa4[3];
C4 = sa1[4];
F4 = sa2[4];
I4 = sa3[4];
}
E[0] = E[1] = E[2] = E[3] = PE;
E[nl] = E[nl+1] = E[nl+2] = E[nl+3] = PE; // 4, 5, 6, 7
E[nl1] = E[nl1+1] = E[nl1+2] = E[nl1+3] = PE; // 8, 9, 10, 11
E[nl2] = E[nl2+1] = E[nl2+2] = E[nl2+3] = PE; // 12, 13, 14, 15
FILT4(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, nl2+3, nl2+2, nl1+3, 3, nl+3, nl1+2, nl2+1, nl2, nl1+1, nl+2, 2, 1, nl+1, nl1, nl, 0);
FILT4(PE, PC, PF, PB, PI, PA, PH, PD, PG, I4, A1, I5, H5, A0, D0, B1, C1, F4, C4, G5, G0, 3, nl+3, 2, 0, 1, nl+2, nl1+3, nl2+3, nl1+2, nl+1, nl, nl1, nl1+1,nl2+2,nl2+1,nl2);
FILT4(PE, PA, PB, PD, PC, PG, PF, PH, PI, C1, G0, C4, F4, G5, H5, D0, A0, B1, A1, I4, I5, 0, 1, nl, nl2, nl1, nl+1, 2, 3, nl+2, nl1+1, nl2+1,nl2+2,nl1+2, nl+3,nl1+3,nl2+3);
FILT4(PE, PG, PD, PH, PA, PI, PB, PF, PC, A0, I5, A1, B1, I4, F4, H5, G5, D0, G0, C1, C4, nl2, nl1, nl2+1, nl2+3, nl2+2, nl1+1, nl, 0, nl+1, nl1+2, nl1+3, nl+3, nl+2, 1, 2, 3);
sa0 += 1;
sa1 += 1;
sa2 += 1;
sa3 += 1;
sa4 += 1;
E += 4;
if (pprev2){
pprev2--;
pprev = 1;
}
}
}
}
| 17,425 |
FFmpeg | 23f5cff92cdcfa55a735c458fcb5f95c0e0f3b1f | 1 | const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src, int *dst_length, int *consumed, int length){
int i, si, di;
uint8_t *dst;
int bufidx;
// src[0]&0x80; //forbidden bit
h->nal_ref_idc= src[0]>>5;
h->nal_unit_type= src[0]&0x1F;
src++; length--;
#if HAVE_FAST_UNALIGNED
# if HAVE_FAST_64BIT
# define RS 7
for(i=0; i+1<length; i+=9){
if(!((~AV_RN64A(src+i) & (AV_RN64A(src+i) - 0x0100010001000101ULL)) & 0x8000800080008080ULL))
# else
# define RS 3
for(i=0; i+1<length; i+=5){
if(!((~AV_RN32A(src+i) & (AV_RN32A(src+i) - 0x01000101U)) & 0x80008080U))
# endif
continue;
if(i>0 && !src[i]) i--;
while(src[i]) i++;
#else
# define RS 0
for(i=0; i+1<length; i+=2){
if(src[i]) continue;
if(i>0 && src[i-1]==0) i--;
#endif
if(i+2<length && src[i+1]==0 && src[i+2]<=3){
if(src[i+2]!=3){
/* startcode, so we must be past the end */
length=i;
}
break;
}
i-= RS;
}
if(i>=length-1){ //no escaped 0
*dst_length= length;
*consumed= length+1; //+1 for the header
return src;
}
bufidx = h->nal_unit_type == NAL_DPC ? 1 : 0; // use second escape buffer for inter data
av_fast_malloc(&h->rbsp_buffer[bufidx], &h->rbsp_buffer_size[bufidx], length+FF_INPUT_BUFFER_PADDING_SIZE);
dst= h->rbsp_buffer[bufidx];
if (dst == NULL){
return NULL;
}
//printf("decoding esc\n");
memcpy(dst, src, i);
si=di=i;
while(si+2<length){
//remove escapes (very rare 1:2^22)
if(src[si+2]>3){
dst[di++]= src[si++];
dst[di++]= src[si++];
}else if(src[si]==0 && src[si+1]==0){
if(src[si+2]==3){ //escape
dst[di++]= 0;
dst[di++]= 0;
si+=3;
continue;
}else //next start code
goto nsc;
}
dst[di++]= src[si++];
}
while(si<length)
dst[di++]= src[si++];
nsc:
memset(dst+di, 0, FF_INPUT_BUFFER_PADDING_SIZE);
*dst_length= di;
*consumed= si + 1;//+1 for the header
//FIXME store exact number of bits in the getbitcontext (it is needed for decoding)
return dst;
}
| 17,426 |
FFmpeg | d7e9533aa06f4073a27812349b35ba5fede11ca1 | 1 | static void dct_unquantize_mpeg2_mmx(MpegEncContext *s,
DCTELEM *block, int n, int qscale)
{
int nCoeffs;
const UINT16 *quant_matrix;
if(s->alternate_scan) nCoeffs= 64;
else nCoeffs= nCoeffs= zigzag_end[ s->block_last_index[n] ];
if (s->mb_intra) {
int block0;
if (n < 4)
block0 = block[0] * s->y_dc_scale;
else
block0 = block[0] * s->c_dc_scale;
quant_matrix = s->intra_matrix;
asm volatile(
"pcmpeqw %%mm7, %%mm7 \n\t"
"psrlw $15, %%mm7 \n\t"
"movd %2, %%mm6 \n\t"
"packssdw %%mm6, %%mm6 \n\t"
"packssdw %%mm6, %%mm6 \n\t"
"movl %3, %%eax \n\t"
".balign 16\n\t"
"1: \n\t"
"movq (%0, %%eax), %%mm0 \n\t"
"movq 8(%0, %%eax), %%mm1 \n\t"
"movq (%1, %%eax), %%mm4 \n\t"
"movq 8(%1, %%eax), %%mm5 \n\t"
"pmullw %%mm6, %%mm4 \n\t" // q=qscale*quant_matrix[i]
"pmullw %%mm6, %%mm5 \n\t" // q=qscale*quant_matrix[i]
"pxor %%mm2, %%mm2 \n\t"
"pxor %%mm3, %%mm3 \n\t"
"pcmpgtw %%mm0, %%mm2 \n\t" // block[i] < 0 ? -1 : 0
"pcmpgtw %%mm1, %%mm3 \n\t" // block[i] < 0 ? -1 : 0
"pxor %%mm2, %%mm0 \n\t"
"pxor %%mm3, %%mm1 \n\t"
"psubw %%mm2, %%mm0 \n\t" // abs(block[i])
"psubw %%mm3, %%mm1 \n\t" // abs(block[i])
"pmullw %%mm4, %%mm0 \n\t" // abs(block[i])*q
"pmullw %%mm5, %%mm1 \n\t" // abs(block[i])*q
"pxor %%mm4, %%mm4 \n\t"
"pxor %%mm5, %%mm5 \n\t" // FIXME slow
"pcmpeqw (%0, %%eax), %%mm4 \n\t" // block[i] == 0 ? -1 : 0
"pcmpeqw 8(%0, %%eax), %%mm5 \n\t" // block[i] == 0 ? -1 : 0
"psraw $3, %%mm0 \n\t"
"psraw $3, %%mm1 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"pxor %%mm3, %%mm1 \n\t"
"psubw %%mm2, %%mm0 \n\t"
"psubw %%mm3, %%mm1 \n\t"
"pandn %%mm0, %%mm4 \n\t"
"pandn %%mm1, %%mm5 \n\t"
"movq %%mm4, (%0, %%eax) \n\t"
"movq %%mm5, 8(%0, %%eax) \n\t"
"addl $16, %%eax \n\t"
"js 1b \n\t"
::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "g" (qscale), "g" (-2*nCoeffs)
: "%eax", "memory"
);
block[0]= block0;
//Note, we dont do mismatch control for intra as errors cannot accumulate
} else {
quant_matrix = s->non_intra_matrix;
asm volatile(
"pcmpeqw %%mm7, %%mm7 \n\t"
"psrlq $48, %%mm7 \n\t"
"movd %2, %%mm6 \n\t"
"packssdw %%mm6, %%mm6 \n\t"
"packssdw %%mm6, %%mm6 \n\t"
"movl %3, %%eax \n\t"
".balign 16\n\t"
"1: \n\t"
"movq (%0, %%eax), %%mm0 \n\t"
"movq 8(%0, %%eax), %%mm1 \n\t"
"movq (%1, %%eax), %%mm4 \n\t"
"movq 8(%1, %%eax), %%mm5 \n\t"
"pmullw %%mm6, %%mm4 \n\t" // q=qscale*quant_matrix[i]
"pmullw %%mm6, %%mm5 \n\t" // q=qscale*quant_matrix[i]
"pxor %%mm2, %%mm2 \n\t"
"pxor %%mm3, %%mm3 \n\t"
"pcmpgtw %%mm0, %%mm2 \n\t" // block[i] < 0 ? -1 : 0
"pcmpgtw %%mm1, %%mm3 \n\t" // block[i] < 0 ? -1 : 0
"pxor %%mm2, %%mm0 \n\t"
"pxor %%mm3, %%mm1 \n\t"
"psubw %%mm2, %%mm0 \n\t" // abs(block[i])
"psubw %%mm3, %%mm1 \n\t" // abs(block[i])
"paddw %%mm0, %%mm0 \n\t" // abs(block[i])*2
"paddw %%mm1, %%mm1 \n\t" // abs(block[i])*2
"pmullw %%mm4, %%mm0 \n\t" // abs(block[i])*2*q
"pmullw %%mm5, %%mm1 \n\t" // abs(block[i])*2*q
"paddw %%mm4, %%mm0 \n\t" // (abs(block[i])*2 + 1)*q
"paddw %%mm5, %%mm1 \n\t" // (abs(block[i])*2 + 1)*q
"pxor %%mm4, %%mm4 \n\t"
"pxor %%mm5, %%mm5 \n\t" // FIXME slow
"pcmpeqw (%0, %%eax), %%mm4 \n\t" // block[i] == 0 ? -1 : 0
"pcmpeqw 8(%0, %%eax), %%mm5 \n\t" // block[i] == 0 ? -1 : 0
"psrlw $4, %%mm0 \n\t"
"psrlw $4, %%mm1 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"pxor %%mm3, %%mm1 \n\t"
"psubw %%mm2, %%mm0 \n\t"
"psubw %%mm3, %%mm1 \n\t"
"pandn %%mm0, %%mm4 \n\t"
"pandn %%mm1, %%mm5 \n\t"
"pxor %%mm4, %%mm7 \n\t"
"pxor %%mm5, %%mm7 \n\t"
"movq %%mm4, (%0, %%eax) \n\t"
"movq %%mm5, 8(%0, %%eax) \n\t"
"addl $16, %%eax \n\t"
"js 1b \n\t"
"movd 124(%0, %3), %%mm0 \n\t"
"movq %%mm7, %%mm6 \n\t"
"psrlq $32, %%mm7 \n\t"
"pxor %%mm6, %%mm7 \n\t"
"movq %%mm7, %%mm6 \n\t"
"psrlq $16, %%mm7 \n\t"
"pxor %%mm6, %%mm7 \n\t"
"pslld $31, %%mm7 \n\t"
"psrlq $15, %%mm7 \n\t"
"pxor %%mm7, %%mm0 \n\t"
"movd %%mm0, 124(%0, %3) \n\t"
::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "g" (qscale), "r" (-2*nCoeffs)
: "%eax", "memory"
);
}
}
| 17,427 |
FFmpeg | 31c7c0e156975be615479948824c1528952c0731 | 1 | static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
{
int i;
avio_wb32(pb, 24); /* size */
ffio_wfourcc(pb, "ACLR");
ffio_wfourcc(pb, "ACLR");
ffio_wfourcc(pb, "0001");
if (track->enc->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
track->enc->color_range == AVCOL_RANGE_UNSPECIFIED) {
avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
} else { /* Full range (0-255) */
avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
}
avio_wb32(pb, 0); /* unknown */
avio_wb32(pb, 24); /* size */
ffio_wfourcc(pb, "APRG");
ffio_wfourcc(pb, "APRG");
ffio_wfourcc(pb, "0001");
avio_wb32(pb, 1); /* unknown */
avio_wb32(pb, 0); /* unknown */
avio_wb32(pb, 120); /* size */
ffio_wfourcc(pb, "ARES");
ffio_wfourcc(pb, "ARES");
ffio_wfourcc(pb, "0001");
avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
avio_wb32(pb, track->enc->width);
/* values below are based on samples created with quicktime and avid codecs */
if (track->vos_data[5] & 2) { // interlaced
avio_wb32(pb, track->enc->height / 2);
avio_wb32(pb, 2); /* unknown */
avio_wb32(pb, 0); /* unknown */
avio_wb32(pb, 4); /* unknown */
} else {
avio_wb32(pb, track->enc->height);
avio_wb32(pb, 1); /* unknown */
avio_wb32(pb, 0); /* unknown */
if (track->enc->height == 1080)
avio_wb32(pb, 5); /* unknown */
else
avio_wb32(pb, 6); /* unknown */
}
/* padding */
for (i = 0; i < 10; i++)
avio_wb64(pb, 0);
/* extra padding for stsd needed */
avio_wb32(pb, 0);
return 0;
}
| 17,429 |
qemu | 187337f8b0ec0813dd3876d1efe37d415fb81c2e | 1 | static qemu_irq *icp_pic_init(uint32_t base,
qemu_irq parent_irq, qemu_irq parent_fiq)
{
icp_pic_state *s;
int iomemtype;
qemu_irq *qi;
s = (icp_pic_state *)qemu_mallocz(sizeof(icp_pic_state));
if (!s)
return NULL;
qi = qemu_allocate_irqs(icp_pic_set_irq, s, 32);
s->base = base;
s->parent_irq = parent_irq;
s->parent_fiq = parent_fiq;
iomemtype = cpu_register_io_memory(0, icp_pic_readfn,
icp_pic_writefn, s);
cpu_register_physical_memory(base, 0x007fffff, iomemtype);
/* ??? Save/restore. */
return qi;
}
| 17,430 |
FFmpeg | 0f6931f4b60cf1e65fd9a5da791c8ee913053f52 | 0 | static int handle_p_frame_apng(AVCodecContext *avctx, PNGDecContext *s,
AVFrame *p)
{
int i, j;
uint8_t *pd = p->data[0];
uint8_t *pd_last = s->last_picture.f->data[0];
uint8_t *pd_last_region = s->dispose_op == APNG_DISPOSE_OP_PREVIOUS ?
s->previous_picture.f->data[0] : s->last_picture.f->data[0];
int ls = FFMIN(av_image_get_linesize(p->format, s->width, 0), s->width * s->bpp);
if (s->blend_op == APNG_BLEND_OP_OVER &&
avctx->pix_fmt != AV_PIX_FMT_RGBA && avctx->pix_fmt != AV_PIX_FMT_ARGB) {
avpriv_request_sample(avctx, "Blending with pixel format %s",
av_get_pix_fmt_name(avctx->pix_fmt));
return AVERROR_PATCHWELCOME;
}
ff_thread_await_progress(&s->last_picture, INT_MAX, 0);
if (s->dispose_op == APNG_DISPOSE_OP_PREVIOUS)
ff_thread_await_progress(&s->previous_picture, INT_MAX, 0);
for (j = 0; j < s->y_offset; j++) {
for (i = 0; i < ls; i++)
pd[i] = pd_last[i];
pd += s->image_linesize;
pd_last += s->image_linesize;
}
if (s->dispose_op != APNG_DISPOSE_OP_BACKGROUND && s->blend_op == APNG_BLEND_OP_OVER) {
uint8_t ri, gi, bi, ai;
pd_last_region += s->y_offset * s->image_linesize;
if (avctx->pix_fmt == AV_PIX_FMT_RGBA) {
ri = 0;
gi = 1;
bi = 2;
ai = 3;
} else {
ri = 3;
gi = 2;
bi = 1;
ai = 0;
}
for (j = s->y_offset; j < s->y_offset + s->cur_h; j++) {
for (i = 0; i < s->x_offset * s->bpp; i++)
pd[i] = pd_last[i];
for (; i < (s->x_offset + s->cur_w) * s->bpp; i += s->bpp) {
uint8_t alpha = pd[i+ai];
/* output = alpha * foreground + (1-alpha) * background */
switch (alpha) {
case 0:
pd[i+ri] = pd_last_region[i+ri];
pd[i+gi] = pd_last_region[i+gi];
pd[i+bi] = pd_last_region[i+bi];
pd[i+ai] = 0xff;
break;
case 255:
break;
default:
pd[i+ri] = FAST_DIV255(alpha * pd[i+ri] + (255 - alpha) * pd_last_region[i+ri]);
pd[i+gi] = FAST_DIV255(alpha * pd[i+gi] + (255 - alpha) * pd_last_region[i+gi]);
pd[i+bi] = FAST_DIV255(alpha * pd[i+bi] + (255 - alpha) * pd_last_region[i+bi]);
pd[i+ai] = 0xff;
break;
}
}
for (; i < ls; i++)
pd[i] = pd_last[i];
pd += s->image_linesize;
pd_last += s->image_linesize;
pd_last_region += s->image_linesize;
}
} else {
for (j = s->y_offset; j < s->y_offset + s->cur_h; j++) {
for (i = 0; i < s->x_offset * s->bpp; i++)
pd[i] = pd_last[i];
for (i = (s->x_offset + s->cur_w) * s->bpp; i < ls; i++)
pd[i] = pd_last[i];
pd += s->image_linesize;
pd_last += s->image_linesize;
}
}
for (j = s->y_offset + s->cur_h; j < s->height; j++) {
for (i = 0; i < ls; i++)
pd[i] = pd_last[i];
pd += s->image_linesize;
pd_last += s->image_linesize;
}
return 0;
}
| 17,431 |
FFmpeg | f1d6f013b2078140fb701978d720abecde7cd73f | 0 | static int nprobe(AVFormatContext *s, uint8_t *enc_header, int size, const uint8_t *n_val)
{
OMAContext *oc = s->priv_data;
uint32_t pos, taglen, datalen;
struct AVDES av_des;
if (!enc_header || !n_val)
return -1;
pos = OMA_ENC_HEADER_SIZE + oc->k_size;
if (!memcmp(&enc_header[pos], "EKB ", 4))
pos += 32;
if (AV_RB32(&enc_header[pos]) != oc->rid)
av_log(s, AV_LOG_DEBUG, "Mismatching RID\n");
taglen = AV_RB32(&enc_header[pos+32]);
datalen = AV_RB32(&enc_header[pos+36]) >> 4;
if(taglen + (((uint64_t)datalen)<<4) + 44 > size)
return -1;
pos += 44 + taglen;
av_des_init(&av_des, n_val, 192, 1);
while (datalen-- > 0) {
av_des_crypt(&av_des, oc->r_val, &enc_header[pos], 2, NULL, 1);
kset(s, oc->r_val, NULL, 16);
if (!rprobe(s, enc_header, oc->r_val))
return 0;
pos += 16;
}
return -1;
}
| 17,432 |
FFmpeg | cc276c85d15272df6e44fb3252657a43cbd49555 | 0 | REORDER_OUT_50(int8, int8_t)
REORDER_OUT_51(int8, int8_t)
REORDER_OUT_71(int8, int8_t)
REORDER_OUT_50(int16, int16_t)
REORDER_OUT_51(int16, int16_t)
REORDER_OUT_71(int16, int16_t)
REORDER_OUT_50(int32, int32_t)
REORDER_OUT_51(int32, int32_t)
REORDER_OUT_71(int32, int32_t)
REORDER_OUT_50(f32, float)
REORDER_OUT_51(f32, float)
REORDER_OUT_71(f32, float)
#define FORMAT_I8 0
#define FORMAT_I16 1
#define FORMAT_I32 2
#define FORMAT_F32 3
#define PICK_REORDER(layout)\
switch(format) {\
case FORMAT_I8: s->reorder_func = alsa_reorder_int8_out_ ##layout; break;\
case FORMAT_I16: s->reorder_func = alsa_reorder_int16_out_ ##layout; break;\
case FORMAT_I32: s->reorder_func = alsa_reorder_int32_out_ ##layout; break;\
case FORMAT_F32: s->reorder_func = alsa_reorder_f32_out_ ##layout; break;\
}
static av_cold int find_reorder_func(AlsaData *s, int codec_id, int64_t layout, int out)
{
int format;
/* reordering input is not currently supported */
if (!out)
return AVERROR(ENOSYS);
/* reordering is not needed for QUAD or 2_2 layout */
if (layout == AV_CH_LAYOUT_QUAD || layout == AV_CH_LAYOUT_2_2)
return 0;
switch (codec_id) {
case CODEC_ID_PCM_S8:
case CODEC_ID_PCM_U8:
case CODEC_ID_PCM_ALAW:
case CODEC_ID_PCM_MULAW: format = FORMAT_I8; break;
case CODEC_ID_PCM_S16LE:
case CODEC_ID_PCM_S16BE:
case CODEC_ID_PCM_U16LE:
case CODEC_ID_PCM_U16BE: format = FORMAT_I16; break;
case CODEC_ID_PCM_S32LE:
case CODEC_ID_PCM_S32BE:
case CODEC_ID_PCM_U32LE:
case CODEC_ID_PCM_U32BE: format = FORMAT_I32; break;
case CODEC_ID_PCM_F32LE:
case CODEC_ID_PCM_F32BE: format = FORMAT_F32; break;
default: return AVERROR(ENOSYS);
}
if (layout == AV_CH_LAYOUT_5POINT0_BACK || layout == AV_CH_LAYOUT_5POINT0)
PICK_REORDER(50)
else if (layout == AV_CH_LAYOUT_5POINT1_BACK || layout == AV_CH_LAYOUT_5POINT1)
PICK_REORDER(51)
else if (layout == AV_CH_LAYOUT_7POINT1)
PICK_REORDER(71)
return s->reorder_func ? 0 : AVERROR(ENOSYS);
}
| 17,433 |
FFmpeg | 2da0d70d5eebe42f9fcd27ee554419ebe2a5da06 | 1 | static inline void RENAME(rgb24ToY)(uint8_t *dst, uint8_t *src, int width)
{
int i;
for(i=0; i<width; i++)
{
int r= src[i*3+0];
int g= src[i*3+1];
int b= src[i*3+2];
dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)) )>>RGB2YUV_SHIFT);
}
}
| 17,434 |
qemu | 5a1972c8472fafd519a68b689fdcaf33ec857945 | 1 | static void dcr_write_pob (void *opaque, int dcrn, uint32_t val)
{
ppc4xx_pob_t *pob;
pob = opaque;
switch (dcrn) {
case POB0_BEAR:
/* Read only */
break;
case POB0_BESR0:
case POB0_BESR1:
/* Write-clear */
pob->besr[dcrn - POB0_BESR0] &= ~val;
break;
}
}
| 17,435 |
FFmpeg | 221b804f3491638ecf2eec1302c669ad2d9ec799 | 1 | static inline void yuv2yuvXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW)
{
//FIXME Optimize (just quickly writen not opti..)
int i;
for(i=0; i<dstW; i++)
{
int val=1<<18;
int j;
for(j=0; j<lumFilterSize; j++)
val += lumSrc[j][i] * lumFilter[j];
dest[i]= av_clip_uint8(val>>19);
}
if(uDest != NULL)
for(i=0; i<chrDstW; i++)
{
int u=1<<18;
int v=1<<18;
int j;
for(j=0; j<chrFilterSize; j++)
{
u += chrSrc[j][i] * chrFilter[j];
v += chrSrc[j][i + 2048] * chrFilter[j];
}
uDest[i]= av_clip_uint8(u>>19);
vDest[i]= av_clip_uint8(v>>19);
}
}
| 17,436 |
FFmpeg | dce778e0ea295db541e43b0850d3a7ef873996cc | 0 | static int mjpeg_decode_com(MJpegDecodeContext *s)
{
int i;
UINT8 *cbuf;
/* XXX: verify len field validity */
unsigned int len = get_bits(&s->gb, 16)-2;
cbuf = av_malloc(len+1);
for (i = 0; i < len; i++)
cbuf[i] = get_bits(&s->gb, 8);
if (cbuf[i-1] == '\n')
cbuf[i-1] = 0;
else
cbuf[i] = 0;
printf("mjpeg comment: '%s'\n", cbuf);
/* buggy avid, it puts EOI only at every 10th frame */
if (!strcmp(cbuf, "AVID"))
{
s->buggy_avid = 1;
// if (s->first_picture)
// printf("mjpeg: workarounding buggy AVID\n");
}
av_free(cbuf);
return 0;
}
| 17,437 |
FFmpeg | f5a9c4ee50ce5d51c8f7f0f23f63f76bbf40a9a1 | 0 | static int doTest(uint8_t *ref[4], int refStride[4], int w, int h, int srcFormat, int dstFormat,
int srcW, int srcH, int dstW, int dstH, int flags){
uint8_t *src[4] = {0};
uint8_t *dst[4] = {0};
uint8_t *out[4] = {0};
int srcStride[4], dstStride[4];
int i;
uint64_t ssdY, ssdU, ssdV, ssdA=0;
struct SwsContext *srcContext = NULL, *dstContext = NULL,
*outContext = NULL;
int res;
res = 0;
for (i=0; i<4; i++){
// avoid stride % bpp != 0
if (srcFormat==PIX_FMT_RGB24 || srcFormat==PIX_FMT_BGR24)
srcStride[i]= srcW*3;
else if (srcFormat==PIX_FMT_RGB48BE || srcFormat==PIX_FMT_RGB48LE)
srcStride[i]= srcW*6;
else
srcStride[i]= srcW*4;
if (dstFormat==PIX_FMT_RGB24 || dstFormat==PIX_FMT_BGR24)
dstStride[i]= dstW*3;
else if (dstFormat==PIX_FMT_RGB48BE || dstFormat==PIX_FMT_RGB48LE)
dstStride[i]= dstW*6;
else
dstStride[i]= dstW*4;
src[i]= (uint8_t*) malloc(srcStride[i]*srcH);
dst[i]= (uint8_t*) malloc(dstStride[i]*dstH);
out[i]= (uint8_t*) malloc(refStride[i]*h);
if (!src[i] || !dst[i] || !out[i]) {
perror("Malloc");
res = -1;
goto end;
}
}
srcContext= sws_getContext(w, h, PIX_FMT_YUVA420P, srcW, srcH, srcFormat, flags, NULL, NULL, NULL);
if (!srcContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
sws_format_name(PIX_FMT_YUVA420P),
sws_format_name(srcFormat));
res = -1;
goto end;
}
dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL);
if (!dstContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
sws_format_name(srcFormat),
sws_format_name(dstFormat));
res = -1;
goto end;
}
outContext= sws_getContext(dstW, dstH, dstFormat, w, h, PIX_FMT_YUVA420P, flags, NULL, NULL, NULL);
if (!outContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
sws_format_name(dstFormat),
sws_format_name(PIX_FMT_YUVA420P));
res = -1;
goto end;
}
// printf("test %X %X %X -> %X %X %X\n", (int)ref[0], (int)ref[1], (int)ref[2],
// (int)src[0], (int)src[1], (int)src[2]);
sws_scale(srcContext, ref, refStride, 0, h , src, srcStride);
sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride);
sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride);
ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h);
ssdU= getSSD(ref[1], out[1], refStride[1], refStride[1], (w+1)>>1, (h+1)>>1);
ssdV= getSSD(ref[2], out[2], refStride[2], refStride[2], (w+1)>>1, (h+1)>>1);
if (isALPHA(srcFormat) && isALPHA(dstFormat))
ssdA= getSSD(ref[3], out[3], refStride[3], refStride[3], w, h);
if (srcFormat == PIX_FMT_GRAY8 || dstFormat==PIX_FMT_GRAY8) ssdU=ssdV=0; //FIXME check that output is really gray
ssdY/= w*h;
ssdU/= w*h/4;
ssdV/= w*h/4;
ssdA/= w*h;
printf(" %s %dx%d -> %s %4dx%4d flags=%2d SSD=%5"PRId64",%5"PRId64",%5"PRId64",%5"PRId64"\n",
sws_format_name(srcFormat), srcW, srcH,
sws_format_name(dstFormat), dstW, dstH,
flags, ssdY, ssdU, ssdV, ssdA);
fflush(stdout);
end:
sws_freeContext(srcContext);
sws_freeContext(dstContext);
sws_freeContext(outContext);
for (i=0; i<4; i++){
free(src[i]);
free(dst[i]);
free(out[i]);
}
return res;
}
| 17,438 |
qemu | 56c4bfb3f07f3107894c00281276aea4f5e8834d | 1 | static ram_addr_t get_start_block(DumpState *s)
{
RAMBlock *block;
if (!s->has_filter) {
s->block = QTAILQ_FIRST(&ram_list.blocks);
return 0;
}
QTAILQ_FOREACH(block, &ram_list.blocks, next) {
if (block->offset >= s->begin + s->length ||
block->offset + block->length <= s->begin) {
/* This block is out of the range */
continue;
}
s->block = block;
if (s->begin > block->offset) {
s->start = s->begin - block->offset;
} else {
s->start = 0;
}
return s->start;
}
return -1;
}
| 17,440 |
qemu | 2cf7cfa1cde6672b8a35bbed3fbc989f28c05dce | 1 | static int get_cluster_table(BlockDriverState *bs, uint64_t offset,
uint64_t **new_l2_table,
int *new_l2_index)
{
BDRVQcowState *s = bs->opaque;
unsigned int l1_index, l2_index;
uint64_t l2_offset;
uint64_t *l2_table = NULL;
int ret;
/* seek the the l2 offset in the l1 table */
l1_index = offset >> (s->l2_bits + s->cluster_bits);
if (l1_index >= s->l1_size) {
ret = qcow2_grow_l1_table(bs, l1_index + 1, false);
if (ret < 0) {
return ret;
}
}
l2_offset = s->l1_table[l1_index] & L1E_OFFSET_MASK;
/* seek the l2 table of the given l2 offset */
if (s->l1_table[l1_index] & QCOW_OFLAG_COPIED) {
/* load the l2 table in memory */
ret = l2_load(bs, l2_offset, &l2_table);
if (ret < 0) {
return ret;
}
} else {
/* First allocate a new L2 table (and do COW if needed) */
ret = l2_allocate(bs, l1_index, &l2_table);
if (ret < 0) {
return ret;
}
/* Then decrease the refcount of the old table */
if (l2_offset) {
qcow2_free_clusters(bs, l2_offset, s->l2_size * sizeof(uint64_t));
}
}
/* find the cluster offset for the given disk offset */
l2_index = (offset >> s->cluster_bits) & (s->l2_size - 1);
*new_l2_table = l2_table;
*new_l2_index = l2_index;
return 0;
}
| 17,441 |
qemu | 79b2ac8f28748b09816d09bd62a2b49ddc01ebeb | 1 | static void gem_write(void *opaque, hwaddr offset, uint64_t val,
unsigned size)
{
CadenceGEMState *s = (CadenceGEMState *)opaque;
uint32_t readonly;
int i;
DB_PRINT("offset: 0x%04x write: 0x%08x ", (unsigned)offset, (unsigned)val);
offset >>= 2;
/* Squash bits which are read only in write value */
val &= ~(s->regs_ro[offset]);
/* Preserve (only) bits which are read only and wtc in register */
readonly = s->regs[offset] & (s->regs_ro[offset] | s->regs_w1c[offset]);
/* Copy register write to backing store */
s->regs[offset] = (val & ~s->regs_w1c[offset]) | readonly;
/* do w1c */
s->regs[offset] &= ~(s->regs_w1c[offset] & val);
/* Handle register write side effects */
switch (offset) {
case GEM_NWCTRL:
if (val & GEM_NWCTRL_RXENA) {
for (i = 0; i < s->num_priority_queues; ++i) {
gem_get_rx_desc(s, i);
}
}
if (val & GEM_NWCTRL_TXSTART) {
gem_transmit(s);
}
if (!(val & GEM_NWCTRL_TXENA)) {
/* Reset to start of Q when transmit disabled. */
for (i = 0; i < s->num_priority_queues; i++) {
s->tx_desc_addr[i] = s->regs[GEM_TXQBASE];
}
}
if (gem_can_receive(qemu_get_queue(s->nic))) {
qemu_flush_queued_packets(qemu_get_queue(s->nic));
}
break;
case GEM_TXSTATUS:
gem_update_int_status(s);
break;
case GEM_RXQBASE:
s->rx_desc_addr[0] = val;
break;
case GEM_RECEIVE_Q1_PTR ... GEM_RECEIVE_Q15_PTR:
s->rx_desc_addr[offset - GEM_RECEIVE_Q1_PTR + 1] = val;
break;
case GEM_TXQBASE:
s->tx_desc_addr[0] = val;
break;
case GEM_TRANSMIT_Q1_PTR ... GEM_TRANSMIT_Q15_PTR:
s->tx_desc_addr[offset - GEM_TRANSMIT_Q1_PTR + 1] = val;
break;
case GEM_RXSTATUS:
gem_update_int_status(s);
break;
case GEM_IER:
s->regs[GEM_IMR] &= ~val;
gem_update_int_status(s);
break;
case GEM_INT_Q1_ENABLE ... GEM_INT_Q7_ENABLE:
s->regs[GEM_INT_Q1_MASK + offset - GEM_INT_Q1_ENABLE] &= ~val;
gem_update_int_status(s);
break;
case GEM_INT_Q8_ENABLE ... GEM_INT_Q15_ENABLE:
s->regs[GEM_INT_Q8_MASK + offset - GEM_INT_Q8_ENABLE] &= ~val;
gem_update_int_status(s);
break;
case GEM_IDR:
s->regs[GEM_IMR] |= val;
gem_update_int_status(s);
break;
case GEM_INT_Q1_DISABLE ... GEM_INT_Q7_DISABLE:
s->regs[GEM_INT_Q1_MASK + offset - GEM_INT_Q1_DISABLE] |= val;
gem_update_int_status(s);
break;
case GEM_INT_Q8_DISABLE ... GEM_INT_Q15_DISABLE:
s->regs[GEM_INT_Q8_MASK + offset - GEM_INT_Q8_DISABLE] |= val;
gem_update_int_status(s);
break;
case GEM_SPADDR1LO:
case GEM_SPADDR2LO:
case GEM_SPADDR3LO:
case GEM_SPADDR4LO:
s->sar_active[(offset - GEM_SPADDR1LO) / 2] = false;
break;
case GEM_SPADDR1HI:
case GEM_SPADDR2HI:
case GEM_SPADDR3HI:
case GEM_SPADDR4HI:
s->sar_active[(offset - GEM_SPADDR1HI) / 2] = true;
break;
case GEM_PHYMNTNC:
if (val & GEM_PHYMNTNC_OP_W) {
uint32_t phy_addr, reg_num;
phy_addr = (val & GEM_PHYMNTNC_ADDR) >> GEM_PHYMNTNC_ADDR_SHFT;
if (phy_addr == BOARD_PHY_ADDRESS || phy_addr == 0) {
reg_num = (val & GEM_PHYMNTNC_REG) >> GEM_PHYMNTNC_REG_SHIFT;
gem_phy_write(s, reg_num, val);
}
}
break;
}
DB_PRINT("newval: 0x%08x\n", s->regs[offset]);
}
| 17,442 |
FFmpeg | c04aa148824f4fb7f4b70830ad3ca7a6cba8ab79 | 1 | static int16_t g726_decode(G726Context* c, int I)
{
int dq, re_signal, pk0, fa1, i, tr, ylint, ylfrac, thr2, al, dq0;
Float11 f;
int I_sig= I >> (c->code_size - 1);
dq = inverse_quant(c, I);
/* Transition detect */
ylint = (c->yl >> 15);
ylfrac = (c->yl >> 10) & 0x1f;
thr2 = (ylint > 9) ? 0x1f << 10 : (0x20 + ylfrac) << ylint;
tr= (c->td == 1 && dq > ((3*thr2)>>2));
if (I_sig) /* get the sign */
dq = -dq;
re_signal = (int16_t)(c->se + dq);
/* Update second order predictor coefficient A2 and A1 */
pk0 = (c->sez + dq) ? sgn(c->sez + dq) : 0;
dq0 = dq ? sgn(dq) : 0;
if (tr) {
c->a[0] = 0;
c->a[1] = 0;
for (i=0; i<6; i++)
c->b[i] = 0;
} else {
/* This is a bit crazy, but it really is +255 not +256 */
fa1 = av_clip_intp2((-c->a[0]*c->pk[0]*pk0)>>5, 8);
c->a[1] += 128*pk0*c->pk[1] + fa1 - (c->a[1]>>7);
c->a[1] = av_clip(c->a[1], -12288, 12288);
c->a[0] += 64*3*pk0*c->pk[0] - (c->a[0] >> 8);
c->a[0] = av_clip(c->a[0], -(15360 - c->a[1]), 15360 - c->a[1]);
for (i=0; i<6; i++)
c->b[i] += 128*dq0*sgn(-c->dq[i].sign) - (c->b[i]>>8);
}
/* Update Dq and Sr and Pk */
c->pk[1] = c->pk[0];
c->pk[0] = pk0 ? pk0 : 1;
c->sr[1] = c->sr[0];
i2f(re_signal, &c->sr[0]);
for (i=5; i>0; i--)
c->dq[i] = c->dq[i-1];
i2f(dq, &c->dq[0]);
c->dq[0].sign = I_sig; /* Isn't it crazy ?!?! */
c->td = c->a[1] < -11776;
/* Update Ap */
c->dms += (c->tbls.F[I]<<4) + ((- c->dms) >> 5);
c->dml += (c->tbls.F[I]<<4) + ((- c->dml) >> 7);
if (tr)
c->ap = 256;
else {
c->ap += (-c->ap) >> 4;
if (c->y <= 1535 || c->td || abs((c->dms << 2) - c->dml) >= (c->dml >> 3))
c->ap += 0x20;
}
/* Update Yu and Yl */
c->yu = av_clip(c->y + c->tbls.W[I] + ((-c->y)>>5), 544, 5120);
c->yl += c->yu + ((-c->yl)>>6);
/* Next iteration for Y */
al = (c->ap >= 256) ? 1<<6 : c->ap >> 2;
c->y = (c->yl + (c->yu - (c->yl>>6))*al) >> 6;
/* Next iteration for SE and SEZ */
c->se = 0;
for (i=0; i<6; i++)
c->se += mult(i2f(c->b[i] >> 2, &f), &c->dq[i]);
c->sez = c->se >> 1;
for (i=0; i<2; i++)
c->se += mult(i2f(c->a[i] >> 2, &f), &c->sr[i]);
c->se >>= 1;
return av_clip(re_signal << 2, -0xffff, 0xffff);
}
| 17,443 |
qemu | 187337f8b0ec0813dd3876d1efe37d415fb81c2e | 1 | void pl050_init(uint32_t base, qemu_irq irq, int is_mouse)
{
int iomemtype;
pl050_state *s;
s = (pl050_state *)qemu_mallocz(sizeof(pl050_state));
iomemtype = cpu_register_io_memory(0, pl050_readfn,
pl050_writefn, s);
cpu_register_physical_memory(base, 0x00000fff, iomemtype);
s->base = base;
s->irq = irq;
s->is_mouse = is_mouse;
if (is_mouse)
s->dev = ps2_mouse_init(pl050_update, s);
else
s->dev = ps2_kbd_init(pl050_update, s);
/* ??? Save/restore. */
}
| 17,444 |
FFmpeg | 37dd235658bc797667ec842abaed19169a36e6e5 | 1 | static int matroska_parse_cluster(MatroskaDemuxContext *matroska)
{
MatroskaCluster cluster = { 0 };
EbmlList *blocks_list;
MatroskaBlock *blocks;
int i, res;
int64_t pos = url_ftell(matroska->ctx->pb);
matroska->prev_pkt = NULL;
if (matroska->has_cluster_id){
/* For the first cluster we parse, its ID was already read as
part of matroska_read_header(), so don't read it again */
res = ebml_parse_id(matroska, matroska_clusters,
MATROSKA_ID_CLUSTER, &cluster);
pos -= 4; /* sizeof the ID which was already read */
matroska->has_cluster_id = 0;
} else
res = ebml_parse(matroska, matroska_clusters, &cluster);
blocks_list = &cluster.blocks;
blocks = blocks_list->elem;
for (i=0; i<blocks_list->nb_elem; i++)
if (blocks[i].bin.size > 0) {
int is_keyframe = blocks[i].non_simple ? !blocks[i].reference : -1;
res=matroska_parse_block(matroska,
blocks[i].bin.data, blocks[i].bin.size,
blocks[i].bin.pos, cluster.timecode,
blocks[i].duration, is_keyframe,
pos);
}
ebml_free(matroska_cluster, &cluster);
if (res < 0) matroska->done = 1;
return res;
}
| 17,445 |
FFmpeg | a8a6da4a0e059b2aab66627a96b63c3632c477c2 | 1 | static av_cold void init_mdct_win(TwinContext *tctx)
{
int i,j;
const ModeTab *mtab = tctx->mtab;
int size_s = mtab->size / mtab->fmode[FT_SHORT].sub;
int size_m = mtab->size / mtab->fmode[FT_MEDIUM].sub;
int channels = tctx->avctx->channels;
float norm = channels == 1 ? 2. : 1.;
for (i = 0; i < 3; i++) {
int bsize = tctx->mtab->size/tctx->mtab->fmode[i].sub;
ff_mdct_init(&tctx->mdct_ctx[i], av_log2(bsize) + 1, 1,
-sqrt(norm/bsize) / (1<<15));
}
tctx->tmp_buf = av_malloc(mtab->size * sizeof(*tctx->tmp_buf));
tctx->spectrum = av_malloc(2*mtab->size*channels*sizeof(float));
tctx->curr_frame = av_malloc(2*mtab->size*channels*sizeof(float));
tctx->prev_frame = av_malloc(2*mtab->size*channels*sizeof(float));
for (i = 0; i < 3; i++) {
int m = 4*mtab->size/mtab->fmode[i].sub;
double freq = 2*M_PI/m;
tctx->cos_tabs[i] = av_malloc((m/4)*sizeof(*tctx->cos_tabs));
for (j = 0; j <= m/8; j++)
tctx->cos_tabs[i][j] = cos((2*j + 1)*freq);
for (j = 1; j < m/8; j++)
tctx->cos_tabs[i][m/4-j] = tctx->cos_tabs[i][j];
}
ff_init_ff_sine_windows(av_log2(size_m));
ff_init_ff_sine_windows(av_log2(size_s/2));
ff_init_ff_sine_windows(av_log2(mtab->size));
}
| 17,446 |
qemu | f2d089425d43735b5369f70f3a36b712440578e5 | 1 | static MemTxResult memory_region_oldmmio_write_accessor(MemoryRegion *mr,
hwaddr addr,
uint64_t *value,
unsigned size,
unsigned shift,
uint64_t mask,
MemTxAttrs attrs)
{
uint64_t tmp;
tmp = (*value >> shift) & mask;
if (mr->subpage) {
trace_memory_region_subpage_write(get_cpu_index(), mr, addr, tmp, size);
} else if (TRACE_MEMORY_REGION_OPS_WRITE_ENABLED) {
hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr);
trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, size);
}
mr->ops->old_mmio.write[ctz32(size)](mr->opaque, addr, tmp);
return MEMTX_OK;
} | 17,450 |
FFmpeg | 963c58006f9ef2dc71f5f4b564e6d34892287c5e | 0 | static av_cold int aacPlus_encode_init(AVCodecContext *avctx)
{
aacPlusAudioContext *s = avctx->priv_data;
aacplusEncConfiguration *aacplus_cfg;
/* number of channels */
if (avctx->channels < 1 || avctx->channels > 2) {
av_log(avctx, AV_LOG_ERROR, "encoding %d channel(s) is not allowed\n", avctx->channels);
return -1;
}
s->aacplus_handle = aacplusEncOpen(avctx->sample_rate, avctx->channels,
&s->samples_input, &s->max_output_bytes);
if(!s->aacplus_handle) {
av_log(avctx, AV_LOG_ERROR, "can't open encoder\n");
return -1;
}
/* check aacplus version */
aacplus_cfg = aacplusEncGetCurrentConfiguration(s->aacplus_handle);
/* put the options in the configuration struct */
if(avctx->profile != FF_PROFILE_AAC_LOW && avctx->profile != FF_PROFILE_UNKNOWN) {
av_log(avctx, AV_LOG_ERROR, "invalid AAC profile: %d, only LC supported\n", avctx->profile);
aacplusEncClose(s->aacplus_handle);
return -1;
}
aacplus_cfg->bitRate = avctx->bit_rate;
aacplus_cfg->bandWidth = avctx->cutoff;
aacplus_cfg->outputFormat = !(avctx->flags & CODEC_FLAG_GLOBAL_HEADER);
aacplus_cfg->inputFormat = avctx->sample_fmt == AV_SAMPLE_FMT_FLT ? AACPLUS_INPUT_FLOAT : AACPLUS_INPUT_16BIT;
if (!aacplusEncSetConfiguration(s->aacplus_handle, aacplus_cfg)) {
av_log(avctx, AV_LOG_ERROR, "libaacplus doesn't support this output format!\n");
return -1;
}
avctx->frame_size = s->samples_input / avctx->channels;
/* Set decoder specific info */
avctx->extradata_size = 0;
if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
unsigned char *buffer = NULL;
unsigned long decoder_specific_info_size;
if (aacplusEncGetDecoderSpecificInfo(s->aacplus_handle, &buffer,
&decoder_specific_info_size) == 1) {
avctx->extradata = av_malloc(decoder_specific_info_size + FF_INPUT_BUFFER_PADDING_SIZE);
avctx->extradata_size = decoder_specific_info_size;
memcpy(avctx->extradata, buffer, avctx->extradata_size);
}
free(buffer);
}
return 0;
}
| 17,451 |
FFmpeg | 465e1dadbef7596a3eb87089a66bb4ecdc26d3c4 | 0 | static uint64_t get_v(ByteIOContext *bc)
{
uint64_t val = 0;
for(; bytes_left(bc) > 0; )
{
int tmp = get_byte(bc);
if (tmp&0x80)
val= (val<<7) + tmp - 0x80;
else
return (val<<7) + tmp;
}
return -1;
}
| 17,453 |
FFmpeg | 916ff02261f79e759d996c76670958276276bf2a | 1 | static av_cold int libgsm_close(AVCodecContext *avctx) {
gsm_destroy(avctx->priv_data);
avctx->priv_data = NULL;
return 0;
} | 17,455 |
FFmpeg | 6a2459059e469fdb835ff4abcbc3bae9781116b3 | 1 | static int mov_open_dref(ByteIOContext **pb, char *src, MOVDref *ref)
{
/* try absolute path */
if (!url_fopen(pb, ref->path, URL_RDONLY))
return 0;
/* try relative path */
if (ref->nlvl_to > 0 && ref->nlvl_from > 0) {
char filename[1024];
char *src_path;
int i, l;
/* find a source dir */
src_path = strrchr(src, '/');
if (src_path)
src_path++;
else
src_path = src;
/* find a next level down to target */
for (i = 0, l = strlen(ref->path) - 1; l >= 0; l--)
if (ref->path[l] == '/') {
if (i == ref->nlvl_to - 1)
break;
else
i++;
}
/* compose filename if next level down to target was found */
if (i == ref->nlvl_to - 1) {
memcpy(filename, src, src_path - src);
filename[src_path - src] = 0;
for (i = 1; i < ref->nlvl_from; i++)
av_strlcat(filename, "../", 1024);
av_strlcat(filename, ref->path + l + 1, 1024);
if (!url_fopen(pb, filename, URL_RDONLY))
return 0;
}
}
return AVERROR(ENOENT);
};
| 17,456 |
qemu | 5712db6ae5101db645f71edc393368cd59bfd314 | 1 | FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port,
hwaddr ctl_addr, hwaddr data_addr)
{
DeviceState *dev;
SysBusDevice *d;
FWCfgState *s;
dev = qdev_create(NULL, TYPE_FW_CFG);
qdev_prop_set_uint32(dev, "ctl_iobase", ctl_port);
qdev_prop_set_uint32(dev, "data_iobase", data_port);
d = SYS_BUS_DEVICE(dev);
s = FW_CFG(dev);
assert(!object_resolve_path(FW_CFG_PATH, NULL));
object_property_add_child(qdev_get_machine(), FW_CFG_NAME, OBJECT(s), NULL);
qdev_init_nofail(dev);
if (ctl_addr) {
sysbus_mmio_map(d, 0, ctl_addr);
}
if (data_addr) {
sysbus_mmio_map(d, 1, data_addr);
}
fw_cfg_add_bytes(s, FW_CFG_SIGNATURE, (char *)"QEMU", 4);
fw_cfg_add_bytes(s, FW_CFG_UUID, qemu_uuid, 16);
fw_cfg_add_i16(s, FW_CFG_NOGRAPHIC, (uint16_t)(display_type == DT_NOGRAPHIC));
fw_cfg_add_i16(s, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
fw_cfg_add_i16(s, FW_CFG_BOOT_MENU, (uint16_t)boot_menu);
fw_cfg_bootsplash(s);
fw_cfg_reboot(s);
s->machine_ready.notify = fw_cfg_machine_ready;
qemu_add_machine_init_done_notifier(&s->machine_ready);
return s;
}
| 17,459 |
qemu | e3442099a2794925dfbe83711cd204caf80eae60 | 1 | void qmp_block_passwd(bool has_device, const char *device,
bool has_node_name, const char *node_name,
const char *password, Error **errp)
{
Error *local_err = NULL;
BlockDriverState *bs;
int err;
bs = bdrv_lookup_bs(has_device ? device : NULL,
has_node_name ? node_name : NULL,
&local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
err = bdrv_set_key(bs, password);
if (err == -EINVAL) {
error_set(errp, QERR_DEVICE_NOT_ENCRYPTED, bdrv_get_device_name(bs));
return;
} else if (err < 0) {
error_set(errp, QERR_INVALID_PASSWORD);
return;
}
}
| 17,460 |
FFmpeg | 669cc0f364d69aa9bd0153eb2f926abdd5d59575 | 1 | int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
{
int ret;
switch (avctx->codec_type) {
case AVMEDIA_TYPE_VIDEO:
if (!frame->width)
frame->width = avctx->width;
if (!frame->height)
frame->height = avctx->height;
if (frame->format < 0)
frame->format = avctx->pix_fmt;
if (!frame->sample_aspect_ratio.num)
frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0)
return ret;
break;
case AVMEDIA_TYPE_AUDIO:
if (!frame->sample_rate)
frame->sample_rate = avctx->sample_rate;
if (frame->format < 0)
frame->format = avctx->sample_fmt;
if (!frame->channel_layout) {
if (avctx->channel_layout) {
if (av_get_channel_layout_nb_channels(avctx->channel_layout) !=
avctx->channels) {
av_log(avctx, AV_LOG_ERROR, "Inconsistent channel "
"configuration.\n");
return AVERROR(EINVAL);
}
frame->channel_layout = avctx->channel_layout;
} else {
if (avctx->channels > FF_SANE_NB_CHANNELS) {
av_log(avctx, AV_LOG_ERROR, "Too many channels: %d.\n",
avctx->channels);
return AVERROR(ENOSYS);
}
frame->channel_layout = av_get_default_channel_layout(avctx->channels);
if (!frame->channel_layout)
frame->channel_layout = (1ULL << avctx->channels) - 1;
}
}
break;
default: return AVERROR(EINVAL);
}
frame->pkt_pts = avctx->pkt ? avctx->pkt->pts : AV_NOPTS_VALUE;
frame->reordered_opaque = avctx->reordered_opaque;
#if FF_API_GET_BUFFER
/*
* Wrap an old get_buffer()-allocated buffer in an bunch of AVBuffers.
* We wrap each plane in its own AVBuffer. Each of those has a reference to
* a dummy AVBuffer as its private data, unreffing it on free.
* When all the planes are freed, the dummy buffer's free callback calls
* release_buffer().
*/
if (avctx->get_buffer) {
CompatReleaseBufPriv *priv = NULL;
AVBufferRef *dummy_buf = NULL;
int planes, i, ret;
if (flags & AV_GET_BUFFER_FLAG_REF)
frame->reference = 1;
ret = avctx->get_buffer(avctx, frame);
if (ret < 0)
return ret;
/* return if the buffers are already set up
* this would happen e.g. when a custom get_buffer() calls
* avcodec_default_get_buffer
*/
if (frame->buf[0])
return 0;
priv = av_mallocz(sizeof(*priv));
if (!priv) {
ret = AVERROR(ENOMEM);
goto fail;
}
priv->avctx = *avctx;
priv->frame = *frame;
dummy_buf = av_buffer_create(NULL, 0, compat_free_buffer, priv, 0);
if (!dummy_buf) {
ret = AVERROR(ENOMEM);
goto fail;
}
#define WRAP_PLANE(ref_out, data, data_size) \
do { \
AVBufferRef *dummy_ref = av_buffer_ref(dummy_buf); \
if (!dummy_ref) { \
ret = AVERROR(ENOMEM); \
goto fail; \
} \
ref_out = av_buffer_create(data, data_size, compat_release_buffer, \
dummy_ref, 0); \
if (!ref_out) { \
av_frame_unref(frame); \
ret = AVERROR(ENOMEM); \
goto fail; \
} \
} while (0)
if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
if (!desc) {
ret = AVERROR(EINVAL);
goto fail;
}
planes = (desc->flags & PIX_FMT_PLANAR) ? desc->nb_components : 1;
for (i = 0; i < planes; i++) {
int h_shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
int plane_size = (frame->width >> h_shift) * frame->linesize[i];
WRAP_PLANE(frame->buf[i], frame->data[i], plane_size);
}
} else {
int planar = av_sample_fmt_is_planar(frame->format);
planes = planar ? avctx->channels : 1;
if (planes > FF_ARRAY_ELEMS(frame->buf)) {
frame->nb_extended_buf = planes - FF_ARRAY_ELEMS(frame->buf);
frame->extended_buf = av_malloc(sizeof(*frame->extended_buf) *
frame->nb_extended_buf);
if (!frame->extended_buf) {
ret = AVERROR(ENOMEM);
goto fail;
}
}
for (i = 0; i < FFMIN(planes, FF_ARRAY_ELEMS(frame->buf)); i++)
WRAP_PLANE(frame->buf[i], frame->extended_data[i], frame->linesize[0]);
for (i = 0; i < planes - FF_ARRAY_ELEMS(frame->buf); i++)
WRAP_PLANE(frame->extended_buf[i],
frame->extended_data[i + FF_ARRAY_ELEMS(frame->buf)],
frame->linesize[0]);
}
av_buffer_unref(&dummy_buf);
return 0;
fail:
avctx->release_buffer(avctx, frame);
av_freep(&priv);
av_buffer_unref(&dummy_buf);
return ret;
}
#endif
return avctx->get_buffer2(avctx, frame, flags);
}
| 17,461 |
qemu | 53fae6d27f342a17bdc218dc51ccccebd99f3545 | 1 | m_get(Slirp *slirp)
{
register struct mbuf *m;
int flags = 0;
DEBUG_CALL("m_get");
if (slirp->m_freelist.m_next == &slirp->m_freelist) {
m = (struct mbuf *)malloc(SLIRP_MSIZE);
if (m == NULL) goto end_error;
slirp->mbuf_alloced++;
if (slirp->mbuf_alloced > MBUF_THRESH)
flags = M_DOFREE;
m->slirp = slirp;
} else {
m = slirp->m_freelist.m_next;
remque(m);
}
/* Insert it in the used list */
insque(m,&slirp->m_usedlist);
m->m_flags = (flags | M_USEDLIST);
/* Initialise it */
m->m_size = SLIRP_MSIZE - sizeof(struct m_hdr);
m->m_data = m->m_dat;
m->m_len = 0;
m->m_nextpkt = NULL;
m->m_prevpkt = NULL;
end_error:
DEBUG_ARG("m = %lx", (long )m);
return m;
}
| 17,462 |
qemu | f2e933d20d5fd6c38bda227359b79bcc81654f99 | 1 | uint_fast16_t float64_to_uint16_round_to_zero(float64 a STATUS_PARAM)
{
int64_t v;
uint_fast16_t res;
v = float64_to_int64_round_to_zero(a STATUS_VAR);
if (v < 0) {
res = 0;
float_raise( float_flag_invalid STATUS_VAR);
} else if (v > 0xffff) {
res = 0xffff;
float_raise( float_flag_invalid STATUS_VAR);
} else {
res = v;
}
return res;
}
| 17,464 |
FFmpeg | 975741e79cedc6033e5b02319792534a3a42c4ae | 1 | static int vorbis_parse_setup_hdr_codebooks(vorbis_context *vc) {
uint_fast16_t cb;
uint8_t *tmp_vlc_bits;
uint32_t *tmp_vlc_codes;
GetBitContext *gb=&vc->gb;
vc->codebook_count=get_bits(gb,8)+1;
AV_DEBUG(" Codebooks: %d \n", vc->codebook_count);
vc->codebooks=(vorbis_codebook *)av_mallocz(vc->codebook_count * sizeof(vorbis_codebook));
tmp_vlc_bits=(uint8_t *)av_mallocz(V_MAX_VLCS * sizeof(uint8_t));
tmp_vlc_codes=(uint32_t *)av_mallocz(V_MAX_VLCS * sizeof(uint32_t));
for(cb=0;cb<vc->codebook_count;++cb) {
vorbis_codebook *codebook_setup=&vc->codebooks[cb];
uint_fast8_t ordered;
uint_fast32_t t, used_entries=0;
uint_fast32_t entries;
AV_DEBUG(" %d. Codebook \n", cb);
if (get_bits(gb, 24)!=0x564342) {
av_log(vc->avccontext, AV_LOG_ERROR, " %"PRIdFAST16". Codebook setup data corrupt. \n", cb);
goto error;
}
codebook_setup->dimensions=get_bits(gb, 16);
if (codebook_setup->dimensions>16) {
av_log(vc->avccontext, AV_LOG_ERROR, " %"PRIdFAST16". Codebook's dimension is too large (%d). \n", cb, codebook_setup->dimensions);
goto error;
}
entries=get_bits(gb, 24);
if (entries>V_MAX_VLCS) {
av_log(vc->avccontext, AV_LOG_ERROR, " %"PRIdFAST16". Codebook has too many entries (%"PRIdFAST32"). \n", cb, entries);
goto error;
}
ordered=get_bits1(gb);
AV_DEBUG(" codebook_dimensions %d, codebook_entries %d \n", codebook_setup->dimensions, entries);
if (!ordered) {
uint_fast16_t ce;
uint_fast8_t flag;
uint_fast8_t sparse=get_bits1(gb);
AV_DEBUG(" not ordered \n");
if (sparse) {
AV_DEBUG(" sparse \n");
used_entries=0;
for(ce=0;ce<entries;++ce) {
flag=get_bits1(gb);
if (flag) {
tmp_vlc_bits[ce]=get_bits(gb, 5)+1;
++used_entries;
}
else tmp_vlc_bits[ce]=0;
}
} else {
AV_DEBUG(" not sparse \n");
used_entries=entries;
for(ce=0;ce<entries;++ce) {
tmp_vlc_bits[ce]=get_bits(gb, 5)+1;
}
}
} else {
uint_fast16_t current_entry=0;
uint_fast8_t current_length=get_bits(gb, 5)+1;
AV_DEBUG(" ordered, current length: %d \n", current_length); //FIXME
used_entries=entries;
for(;current_entry<used_entries;++current_length) {
uint_fast16_t i, number;
AV_DEBUG(" number bits: %d ", ilog(entries - current_entry));
number=get_bits(gb, ilog(entries - current_entry));
AV_DEBUG(" number: %d \n", number);
for(i=current_entry;i<number+current_entry;++i) {
if (i<used_entries) tmp_vlc_bits[i]=current_length;
}
current_entry+=number;
}
if (current_entry>used_entries) {
av_log(vc->avccontext, AV_LOG_ERROR, " More codelengths than codes in codebook. \n");
goto error;
}
}
codebook_setup->lookup_type=get_bits(gb, 4);
AV_DEBUG(" lookup type: %d : %s \n", codebook_setup->lookup_type, codebook_setup->lookup_type ? "vq" : "no lookup" );
// If the codebook is used for (inverse) VQ, calculate codevectors.
if (codebook_setup->lookup_type==1) {
uint_fast16_t i, j, k;
uint_fast16_t codebook_lookup_values=ff_vorbis_nth_root(entries, codebook_setup->dimensions);
uint_fast16_t codebook_multiplicands[codebook_lookup_values];
float codebook_minimum_value=vorbisfloat2float(get_bits_long(gb, 32));
float codebook_delta_value=vorbisfloat2float(get_bits_long(gb, 32));
uint_fast8_t codebook_value_bits=get_bits(gb, 4)+1;
uint_fast8_t codebook_sequence_p=get_bits1(gb);
AV_DEBUG(" We expect %d numbers for building the codevectors. \n", codebook_lookup_values);
AV_DEBUG(" delta %f minmum %f \n", codebook_delta_value, codebook_minimum_value);
for(i=0;i<codebook_lookup_values;++i) {
codebook_multiplicands[i]=get_bits(gb, codebook_value_bits);
AV_DEBUG(" multiplicands*delta+minmum : %e \n", (float)codebook_multiplicands[i]*codebook_delta_value+codebook_minimum_value);
AV_DEBUG(" multiplicand %d \n", codebook_multiplicands[i]);
}
// Weed out unused vlcs and build codevector vector
codebook_setup->codevectors=(float *)av_mallocz(used_entries*codebook_setup->dimensions * sizeof(float));
for(j=0, i=0;i<entries;++i) {
uint_fast8_t dim=codebook_setup->dimensions;
if (tmp_vlc_bits[i]) {
float last=0.0;
uint_fast32_t lookup_offset=i;
#ifdef V_DEBUG
av_log(vc->avccontext, AV_LOG_INFO, "Lookup offset %d ,", i);
#endif
for(k=0;k<dim;++k) {
uint_fast32_t multiplicand_offset = lookup_offset % codebook_lookup_values;
codebook_setup->codevectors[j*dim+k]=codebook_multiplicands[multiplicand_offset]*codebook_delta_value+codebook_minimum_value+last;
if (codebook_sequence_p) {
last=codebook_setup->codevectors[j*dim+k];
}
lookup_offset/=codebook_lookup_values;
}
tmp_vlc_bits[j]=tmp_vlc_bits[i];
#ifdef V_DEBUG
av_log(vc->avccontext, AV_LOG_INFO, "real lookup offset %d, vector: ", j);
for(k=0;k<dim;++k) {
av_log(vc->avccontext, AV_LOG_INFO, " %f ", codebook_setup->codevectors[j*dim+k]);
}
av_log(vc->avccontext, AV_LOG_INFO, "\n");
#endif
++j;
}
}
if (j!=used_entries) {
av_log(vc->avccontext, AV_LOG_ERROR, "Bug in codevector vector building code. \n");
goto error;
}
entries=used_entries;
}
else if (codebook_setup->lookup_type>=2) {
av_log(vc->avccontext, AV_LOG_ERROR, "Codebook lookup type not supported. \n");
goto error;
}
// Initialize VLC table
if (ff_vorbis_len2vlc(tmp_vlc_bits, tmp_vlc_codes, entries)) {
av_log(vc->avccontext, AV_LOG_ERROR, " Invalid code lengths while generating vlcs. \n");
goto error;
}
codebook_setup->maxdepth=0;
for(t=0;t<entries;++t)
if (tmp_vlc_bits[t]>=codebook_setup->maxdepth) codebook_setup->maxdepth=tmp_vlc_bits[t];
if(codebook_setup->maxdepth > 3*V_NB_BITS) codebook_setup->nb_bits=V_NB_BITS2;
else codebook_setup->nb_bits=V_NB_BITS;
codebook_setup->maxdepth=(codebook_setup->maxdepth+codebook_setup->nb_bits-1)/codebook_setup->nb_bits;
if (init_vlc(&codebook_setup->vlc, codebook_setup->nb_bits, entries, tmp_vlc_bits, sizeof(*tmp_vlc_bits), sizeof(*tmp_vlc_bits), tmp_vlc_codes, sizeof(*tmp_vlc_codes), sizeof(*tmp_vlc_codes), INIT_VLC_LE)) {
av_log(vc->avccontext, AV_LOG_ERROR, " Error generating vlc tables. \n");
goto error;
}
}
av_free(tmp_vlc_bits);
av_free(tmp_vlc_codes);
return 0;
// Error:
error:
av_free(tmp_vlc_bits);
av_free(tmp_vlc_codes);
return 1;
}
| 17,465 |
FFmpeg | de0cd0ffc9e4b7780d0cae5f969aca4e3bdf7e48 | 1 | static int load_input_picture(MpegEncContext *s, const AVFrame *pic_arg)
{
Picture *pic = NULL;
int64_t pts;
int i, display_picture_number = 0, ret;
int encoding_delay = s->max_b_frames ? s->max_b_frames
: (s->low_delay ? 0 : 1);
int flush_offset = 1;
int direct = 1;
if (pic_arg) {
pts = pic_arg->pts;
display_picture_number = s->input_picture_number++;
if (pts != AV_NOPTS_VALUE) {
if (s->user_specified_pts != AV_NOPTS_VALUE) {
int64_t last = s->user_specified_pts;
if (pts <= last) {
av_log(s->avctx, AV_LOG_ERROR,
"Invalid pts (%"PRId64") <= last (%"PRId64")\n",
pts, last);
return AVERROR(EINVAL);
}
if (!s->low_delay && display_picture_number == 1)
s->dts_delta = pts - last;
}
s->user_specified_pts = pts;
} else {
if (s->user_specified_pts != AV_NOPTS_VALUE) {
s->user_specified_pts =
pts = s->user_specified_pts + 1;
av_log(s->avctx, AV_LOG_INFO,
"Warning: AVFrame.pts=? trying to guess (%"PRId64")\n",
pts);
} else {
pts = display_picture_number;
}
}
if (!pic_arg->buf[0] ||
pic_arg->linesize[0] != s->linesize ||
pic_arg->linesize[1] != s->uvlinesize ||
pic_arg->linesize[2] != s->uvlinesize)
direct = 0;
if ((s->width & 15) || (s->height & 15))
direct = 0;
if (((intptr_t)(pic_arg->data[0])) & (STRIDE_ALIGN-1))
direct = 0;
if (s->linesize & (STRIDE_ALIGN-1))
direct = 0;
ff_dlog(s->avctx, "%d %d %"PTRDIFF_SPECIFIER" %"PTRDIFF_SPECIFIER"\n", pic_arg->linesize[0],
pic_arg->linesize[1], s->linesize, s->uvlinesize);
i = ff_find_unused_picture(s->avctx, s->picture, direct);
if (i < 0)
return i;
pic = &s->picture[i];
pic->reference = 3;
if (direct) {
if ((ret = av_frame_ref(pic->f, pic_arg)) < 0)
return ret;
}
ret = alloc_picture(s, pic, direct);
if (ret < 0)
return ret;
if (!direct) {
if (pic->f->data[0] + INPLACE_OFFSET == pic_arg->data[0] &&
pic->f->data[1] + INPLACE_OFFSET == pic_arg->data[1] &&
pic->f->data[2] + INPLACE_OFFSET == pic_arg->data[2]) {
// empty
} else {
int h_chroma_shift, v_chroma_shift;
av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
&h_chroma_shift,
&v_chroma_shift);
for (i = 0; i < 3; i++) {
int src_stride = pic_arg->linesize[i];
int dst_stride = i ? s->uvlinesize : s->linesize;
int h_shift = i ? h_chroma_shift : 0;
int v_shift = i ? v_chroma_shift : 0;
int w = s->width >> h_shift;
int h = s->height >> v_shift;
uint8_t *src = pic_arg->data[i];
uint8_t *dst = pic->f->data[i];
int vpad = 16;
if ( s->codec_id == AV_CODEC_ID_MPEG2VIDEO
&& !s->progressive_sequence
&& FFALIGN(s->height, 32) - s->height > 16)
vpad = 32;
if (!s->avctx->rc_buffer_size)
dst += INPLACE_OFFSET;
if (src_stride == dst_stride)
memcpy(dst, src, src_stride * h);
else {
int h2 = h;
uint8_t *dst2 = dst;
while (h2--) {
memcpy(dst2, src, w);
dst2 += dst_stride;
src += src_stride;
}
}
if ((s->width & 15) || (s->height & (vpad-1))) {
s->mpvencdsp.draw_edges(dst, dst_stride,
w, h,
16 >> h_shift,
vpad >> v_shift,
EDGE_BOTTOM);
}
}
}
}
ret = av_frame_copy_props(pic->f, pic_arg);
if (ret < 0)
return ret;
pic->f->display_picture_number = display_picture_number;
pic->f->pts = pts; // we set this here to avoid modifying pic_arg
} else {
/* Flushing: When we have not received enough input frames,
* ensure s->input_picture[0] contains the first picture */
for (flush_offset = 0; flush_offset < encoding_delay + 1; flush_offset++)
if (s->input_picture[flush_offset])
break;
if (flush_offset <= 1)
flush_offset = 1;
else
encoding_delay = encoding_delay - flush_offset + 1;
}
/* shift buffer entries */
for (i = flush_offset; i < MAX_PICTURE_COUNT /*s->encoding_delay + 1*/; i++)
s->input_picture[i - flush_offset] = s->input_picture[i];
s->input_picture[encoding_delay] = (Picture*) pic;
return 0;
} | 17,466 |
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