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avcodec: cleanup utils.c

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This commit is contained in:
Luca Barbato
2012-09-14 19:18:17 +02:00
parent ee90119e9e
commit 419ffb2390
1 changed files with 263 additions and 232 deletions
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381
libavcodec/utils.c
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@@ -47,23 +47,26 @@
#include <limits.h>
#include <float.h>
static int volatile entangled_thread_counter=0;
static int volatile entangled_thread_counter = 0;
static int (*ff_lockmgr_cb)(void **mutex, enum AVLockOp op);
static void *codec_mutex;
static void *avformat_mutex;
void *av_fast_realloc(void *ptr, unsigned int *size, size_t min_size)
{
if(min_size < *size)
if (min_size < *size)
return ptr;
min_size= FFMAX(17*min_size/16 + 32, min_size);
min_size = FFMAX(17 * min_size / 16 + 32, min_size);
ptr= av_realloc(ptr, min_size);
if(!ptr) //we could set this to the unmodified min_size but this is safer if the user lost the ptr and uses NULL now
min_size= 0;
ptr = av_realloc(ptr, min_size);
/* we could set this to the unmodified min_size but this is safer
* if the user lost the ptr and uses NULL now
*/
if (!ptr)
min_size = 0;
*size= min_size;
*size = min_size;
return ptr;
}
@@ -73,11 +76,12 @@ void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size)
void **p = ptr;
if (min_size < *size)
return;
min_size= FFMAX(17*min_size/16 + 32, min_size);
min_size = FFMAX(17 * min_size / 16 + 32, min_size);
av_free(*p);
*p = av_malloc(min_size);
if (!*p) min_size = 0;
*size= min_size;
if (!*p)
min_size = 0;
*size = min_size;
}
void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
@@ -98,8 +102,10 @@ static AVCodec *first_avcodec = NULL;
AVCodec *av_codec_next(const AVCodec *c)
{
if(c) return c->next;
else return first_avcodec;
if (c)
return c->next;
else
return first_avcodec;
}
static void avcodec_init(void)
@@ -128,7 +134,8 @@ void avcodec_register(AVCodec *codec)
AVCodec **p;
avcodec_init();
p = &first_avcodec;
while (*p != NULL) p = &(*p)->next;
while (*p != NULL)
p = &(*p)->next;
*p = codec;
codec->next = NULL;
@@ -141,23 +148,24 @@ unsigned avcodec_get_edge_width(void)
return EDGE_WIDTH;
}
void avcodec_set_dimensions(AVCodecContext *s, int width, int height){
void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
{
s->coded_width = width;
s->coded_height= height;
s->coded_height = height;
s->width = width;
s->height = height;
}
#define INTERNAL_BUFFER_SIZE (32+1)
#define INTERNAL_BUFFER_SIZE (32 + 1)
void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
int linesize_align[AV_NUM_DATA_POINTERS])
{
int i;
int w_align= 1;
int h_align= 1;
int w_align = 1;
int h_align = 1;
switch(s->pix_fmt){
switch (s->pix_fmt) {
case PIX_FMT_YUV420P:
case PIX_FMT_YUYV422:
case PIX_FMT_UYVY422:
@@ -194,58 +202,62 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
break;
case PIX_FMT_YUV411P:
case PIX_FMT_UYYVYY411:
w_align=32;
h_align=8;
w_align = 32;
h_align = 8;
break;
case PIX_FMT_YUV410P:
if(s->codec_id == AV_CODEC_ID_SVQ1){
w_align=64;
h_align=64;
if (s->codec_id == AV_CODEC_ID_SVQ1) {
w_align = 64;
h_align = 64;
}
case PIX_FMT_RGB555:
if(s->codec_id == AV_CODEC_ID_RPZA){
w_align=4;
h_align=4;
if (s->codec_id == AV_CODEC_ID_RPZA) {
w_align = 4;
h_align = 4;
}
case PIX_FMT_PAL8:
case PIX_FMT_BGR8:
case PIX_FMT_RGB8:
if(s->codec_id == AV_CODEC_ID_SMC){
w_align=4;
h_align=4;
if (s->codec_id == AV_CODEC_ID_SMC) {
w_align = 4;
h_align = 4;
}
break;
case PIX_FMT_BGR24:
if((s->codec_id == AV_CODEC_ID_MSZH) || (s->codec_id == AV_CODEC_ID_ZLIB)){
w_align=4;
h_align=4;
if ((s->codec_id == AV_CODEC_ID_MSZH) ||
(s->codec_id == AV_CODEC_ID_ZLIB)) {
w_align = 4;
h_align = 4;
}
break;
default:
w_align= 1;
h_align= 1;
w_align = 1;
h_align = 1;
break;
}
*width = FFALIGN(*width , w_align);
*height= FFALIGN(*height, h_align);
*width = FFALIGN(*width, w_align);
*height = FFALIGN(*height, h_align);
if (s->codec_id == AV_CODEC_ID_H264)
*height+=2; // some of the optimized chroma MC reads one line too much
// some of the optimized chroma MC reads one line too much
*height += 2;
for (i = 0; i < 4; i++)
linesize_align[i] = STRIDE_ALIGN;
}
void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height)
{
int chroma_shift = av_pix_fmt_descriptors[s->pix_fmt].log2_chroma_w;
int linesize_align[AV_NUM_DATA_POINTERS];
int align;
avcodec_align_dimensions2(s, width, height, linesize_align);
align = FFMAX(linesize_align[0], linesize_align[3]);
linesize_align[1] <<= chroma_shift;
linesize_align[2] <<= chroma_shift;
align = FFMAX3(align, linesize_align[1], linesize_align[2]);
*width=FFALIGN(*width, align);
*width = FFALIGN(*width, align);
}
int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
@@ -305,7 +317,7 @@ static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
buf = avci->buffer;
/* if there is a previously-used internal buffer, check its size and
channel count to see if we can reuse it */
* channel count to see if we can reuse it */
if (buf->extended_data) {
/* if current buffer is too small, free it */
if (buf->extended_data[0] && buf_size > buf->audio_data_size) {
@@ -316,7 +328,7 @@ static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
buf->data[0] = NULL;
}
/* if number of channels has changed, reset and/or free extended data
pointers but leave data buffer in buf->data[0] for reuse */
* pointers but leave data buffer in buf->data[0] for reuse */
if (buf->nb_channels != avctx->channels) {
if (buf->extended_data != buf->data)
av_free(buf->extended_data);
@@ -325,7 +337,7 @@ static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
}
/* if there is no previous buffer or the previous buffer cannot be used
as-is, allocate a new buffer and/or rearrange the channel pointers */
* as-is, allocate a new buffer and/or rearrange the channel pointers */
if (!buf->extended_data) {
if (!buf->data[0]) {
if (!(buf->data[0] = av_mallocz(buf_size)))
@@ -353,8 +365,10 @@ static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
frame->type = FF_BUFFER_TYPE_INTERNAL;
if (avctx->pkt) frame->pkt_pts = avctx->pkt->pts;
else frame->pkt_pts = AV_NOPTS_VALUE;
if (avctx->pkt)
frame->pkt_pts = avctx->pkt->pts;
else
frame->pkt_pts = AV_NOPTS_VALUE;
frame->reordered_opaque = avctx->reordered_opaque;
frame->sample_rate = avctx->sample_rate;
@@ -371,53 +385,53 @@ static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
{
int i;
int w= s->width;
int h= s->height;
int w = s->width;
int h = s->height;
InternalBuffer *buf;
AVCodecInternal *avci = s->internal;
if(pic->data[0]!=NULL) {
if (pic->data[0] != NULL) {
av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
return -1;
}
if(avci->buffer_count >= INTERNAL_BUFFER_SIZE) {
if (avci->buffer_count >= INTERNAL_BUFFER_SIZE) {
av_log(s, AV_LOG_ERROR, "buffer_count overflow (missing release_buffer?)\n");
return -1;
}
if(av_image_check_size(w, h, 0, s))
if (av_image_check_size(w, h, 0, s))
return -1;
if (!avci->buffer) {
avci->buffer = av_mallocz((INTERNAL_BUFFER_SIZE+1) *
avci->buffer = av_mallocz((INTERNAL_BUFFER_SIZE + 1) *
sizeof(InternalBuffer));
}
buf = &avci->buffer[avci->buffer_count];
if(buf->base[0] && (buf->width != w || buf->height != h || buf->pix_fmt != s->pix_fmt)){
if (buf->base[0] && (buf->width != w || buf->height != h || buf->pix_fmt != s->pix_fmt)) {
for (i = 0; i < AV_NUM_DATA_POINTERS; i++) {
av_freep(&buf->base[i]);
buf->data[i]= NULL;
buf->data[i] = NULL;
}
}
if (!buf->base[0]) {
int h_chroma_shift, v_chroma_shift;
int size[4] = {0};
int size[4] = { 0 };
int tmpsize;
int unaligned;
AVPicture picture;
int stride_align[AV_NUM_DATA_POINTERS];
const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1 + 1;
avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
avcodec_align_dimensions2(s, &w, &h, stride_align);
if(!(s->flags&CODEC_FLAG_EMU_EDGE)){
w+= EDGE_WIDTH*2;
h+= EDGE_WIDTH*2;
if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
w += EDGE_WIDTH * 2;
h += EDGE_WIDTH * 2;
}
do {
@@ -425,57 +439,57 @@ static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
// that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
av_image_fill_linesizes(picture.linesize, s->pix_fmt, w);
// increase alignment of w for next try (rhs gives the lowest bit set in w)
w += w & ~(w-1);
w += w & ~(w - 1);
unaligned = 0;
for (i=0; i<4; i++){
for (i = 0; i < 4; i++)
unaligned |= picture.linesize[i] % stride_align[i];
}
} while (unaligned);
tmpsize = av_image_fill_pointers(picture.data, s->pix_fmt, h, NULL, picture.linesize);
if (tmpsize < 0)
return -1;
for (i=0; i<3 && picture.data[i+1]; i++)
size[i] = picture.data[i+1] - picture.data[i];
for (i = 0; i < 3 && picture.data[i + 1]; i++)
size[i] = picture.data[i + 1] - picture.data[i];
size[i] = tmpsize - (picture.data[i] - picture.data[0]);
memset(buf->base, 0, sizeof(buf->base));
memset(buf->data, 0, sizeof(buf->data));
for(i=0; i<4 && size[i]; i++){
const int h_shift= i==0 ? 0 : h_chroma_shift;
const int v_shift= i==0 ? 0 : v_chroma_shift;
for (i = 0; i < 4 && size[i]; i++) {
const int h_shift = i == 0 ? 0 : h_chroma_shift;
const int v_shift = i == 0 ? 0 : v_chroma_shift;
buf->linesize[i]= picture.linesize[i];
buf->linesize[i] = picture.linesize[i];
buf->base[i]= av_malloc(size[i]+16); //FIXME 16
if(buf->base[i]==NULL) return -1;
buf->base[i] = av_malloc(size[i] + 16); //FIXME 16
if (buf->base[i] == NULL)
return -1;
memset(buf->base[i], 128, size[i]);
// no edge if EDGE EMU or not planar YUV
if((s->flags&CODEC_FLAG_EMU_EDGE) || !size[2])
if ((s->flags & CODEC_FLAG_EMU_EDGE) || !size[2])
buf->data[i] = buf->base[i];
else
buf->data[i] = buf->base[i] + FFALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (pixel_size*EDGE_WIDTH>>h_shift), stride_align[i]);
buf->data[i] = buf->base[i] + FFALIGN((buf->linesize[i] * EDGE_WIDTH >> v_shift) + (pixel_size * EDGE_WIDTH >> h_shift), stride_align[i]);
}
for (; i < AV_NUM_DATA_POINTERS; i++) {
buf->base[i] = buf->data[i] = NULL;
buf->linesize[i] = 0;
}
if(size[1] && !size[2])
ff_set_systematic_pal2((uint32_t*)buf->data[1], s->pix_fmt);
if (size[1] && !size[2])
ff_set_systematic_pal2((uint32_t *)buf->data[1], s->pix_fmt);
buf->width = s->width;
buf->height = s->height;
buf->pix_fmt= s->pix_fmt;
buf->pix_fmt = s->pix_fmt;
}
pic->type= FF_BUFFER_TYPE_INTERNAL;
pic->type = FF_BUFFER_TYPE_INTERNAL;
for (i = 0; i < AV_NUM_DATA_POINTERS; i++) {
pic->base[i]= buf->base[i];
pic->data[i]= buf->data[i];
pic->linesize[i]= buf->linesize[i];
pic->base[i] = buf->base[i];
pic->data[i] = buf->data[i];
pic->linesize[i] = buf->linesize[i];
}
pic->extended_data = pic->data;
avci->buffer_count++;
@@ -484,11 +498,13 @@ static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
pic->format = buf->pix_fmt;
pic->sample_aspect_ratio = s->sample_aspect_ratio;
if(s->pkt) pic->pkt_pts= s->pkt->pts;
else pic->pkt_pts= AV_NOPTS_VALUE;
pic->reordered_opaque= s->reordered_opaque;
if (s->pkt)
pic->pkt_pts = s->pkt->pts;
else
pic->pkt_pts = AV_NOPTS_VALUE;
pic->reordered_opaque = s->reordered_opaque;
if(s->debug&FF_DEBUG_BUFFERS)
if (s->debug & FF_DEBUG_BUFFERS)
av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p, %d "
"buffers used\n", pic, avci->buffer_count);
@@ -507,14 +523,15 @@ int avcodec_default_get_buffer(AVCodecContext *avctx, AVFrame *frame)
}
}
void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){
void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic)
{
int i;
InternalBuffer *buf, *last;
AVCodecInternal *avci = s->internal;
assert(s->codec_type == AVMEDIA_TYPE_VIDEO);
assert(pic->type==FF_BUFFER_TYPE_INTERNAL);
assert(pic->type == FF_BUFFER_TYPE_INTERNAL);
assert(avci->buffer_count);
if (avci->buffer) {
@@ -532,25 +549,25 @@ void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){
FFSWAP(InternalBuffer, *buf, *last);
}
for (i = 0; i < AV_NUM_DATA_POINTERS; i++) {
pic->data[i]=NULL;
for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
pic->data[i] = NULL;
// pic->base[i]=NULL;
}
//printf("R%X\n", pic->opaque);
//printf("R%X\n", pic->opaque);
if(s->debug&FF_DEBUG_BUFFERS)
if (s->debug & FF_DEBUG_BUFFERS)
av_log(s, AV_LOG_DEBUG, "default_release_buffer called on pic %p, %d "
"buffers used\n", pic, avci->buffer_count);
}
int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){
int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic)
{
AVFrame temp_pic;
int i;
assert(s->codec_type == AVMEDIA_TYPE_VIDEO);
/* If no picture return a new buffer */
if(pic->data[0] == NULL) {
if (pic->data[0] == NULL) {
/* We will copy from buffer, so must be readable */
pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
return s->get_buffer(s, pic);
@@ -559,10 +576,12 @@ int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){
assert(s->pix_fmt == pic->format);
/* If internal buffer type return the same buffer */
if(pic->type == FF_BUFFER_TYPE_INTERNAL) {
if(s->pkt) pic->pkt_pts= s->pkt->pts;
else pic->pkt_pts= AV_NOPTS_VALUE;
pic->reordered_opaque= s->reordered_opaque;
if (pic->type == FF_BUFFER_TYPE_INTERNAL) {
if (s->pkt)
pic->pkt_pts = s->pkt->pts;
else
pic->pkt_pts = AV_NOPTS_VALUE;
pic->reordered_opaque = s->reordered_opaque;
return 0;
}
@@ -570,58 +589,66 @@ int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){
* Not internal type and reget_buffer not overridden, emulate cr buffer
*/
temp_pic = *pic;
for(i = 0; i < AV_NUM_DATA_POINTERS; i++)
for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
pic->data[i] = pic->base[i] = NULL;
pic->opaque = NULL;
/* Allocate new frame */
if (s->get_buffer(s, pic))
return -1;
/* Copy image data from old buffer to new buffer */
av_picture_copy((AVPicture*)pic, (AVPicture*)&temp_pic, s->pix_fmt, s->width,
av_picture_copy((AVPicture *)pic, (AVPicture *)&temp_pic, s->pix_fmt, s->width,
s->height);
s->release_buffer(s, &temp_pic); // Release old frame
return 0;
}
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size){
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
{
int i;
for(i=0; i<count; i++){
int r= func(c, (char*)arg + i*size);
if(ret) ret[i]= r;
for (i = 0; i < count; i++) {
int r = func(c, (char *)arg + i * size);
if (ret)
ret[i] = r;
}
return 0;
}
int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr),void *arg, int *ret, int count){
int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr), void *arg, int *ret, int count)
{
int i;
for(i=0; i<count; i++){
int r= func(c, arg, i, 0);
if(ret) ret[i]= r;
for (i = 0; i < count; i++) {
int r = func(c, arg, i, 0);
if (ret)
ret[i] = r;
}
return 0;
}
enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat *fmt){
enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat *fmt)
{
while (*fmt != PIX_FMT_NONE && ff_is_hwaccel_pix_fmt(*fmt))
++fmt;
return fmt[0];
}
void avcodec_get_frame_defaults(AVFrame *pic){
void avcodec_get_frame_defaults(AVFrame *pic)
{
memset(pic, 0, sizeof(AVFrame));
pic->pts= AV_NOPTS_VALUE;
pic->key_frame= 1;
pic->sample_aspect_ratio = (AVRational){0, 1};
pic->pts = AV_NOPTS_VALUE;
pic->key_frame = 1;
pic->sample_aspect_ratio = (AVRational) {0, 1 };
pic->format = -1; /* unknown */
}
AVFrame *avcodec_alloc_frame(void){
AVFrame *pic= av_malloc(sizeof(AVFrame));
AVFrame *avcodec_alloc_frame(void)
{
AVFrame *pic = av_malloc(sizeof(AVFrame));
if(pic==NULL) return NULL;
if (pic == NULL)
return NULL;
avcodec_get_frame_defaults(pic);
@@ -661,7 +688,7 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
}
entangled_thread_counter++;
if(entangled_thread_counter != 1){
if (entangled_thread_counter != 1) {
av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
ret = -1;
goto end;
@@ -674,14 +701,14 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
}
if (codec->priv_data_size > 0) {
if(!avctx->priv_data){
if (!avctx->priv_data) {
avctx->priv_data = av_mallocz(codec->priv_data_size);
if (!avctx->priv_data) {
ret = AVERROR(ENOMEM);
goto end;
}
if (codec->priv_class) {
*(const AVClass**)avctx->priv_data = codec->priv_class;
*(const AVClass **)avctx->priv_data = codec->priv_class;
av_opt_set_defaults(avctx->priv_data);
}
}
@@ -693,9 +720,9 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
if ((ret = av_opt_set_dict(avctx, &tmp)) < 0)
goto free_and_end;
if(avctx->coded_width && avctx->coded_height)
if (avctx->coded_width && avctx->coded_height)
avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
else if(avctx->width && avctx->height)
else if (avctx->width && avctx->height)
avcodec_set_dimensions(avctx, avctx->width, avctx->height);
if ((avctx->coded_width || avctx->coded_height || avctx->width || avctx->height)
@@ -706,7 +733,7 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
}
/* if the decoder init function was already called previously,
free the already allocated subtitle_header before overwriting it */
* free the already allocated subtitle_header before overwriting it */
if (av_codec_is_decoder(codec))
av_freep(&avctx->subtitle_header);
@@ -802,7 +829,7 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
}
}
if(avctx->codec->init && !(avctx->active_thread_type&FF_THREAD_FRAME)){
if (avctx->codec->init && !(avctx->active_thread_type & FF_THREAD_FRAME)) {
ret = avctx->codec->init(avctx);
if (ret < 0) {
goto free_and_end;
@@ -834,7 +861,7 @@ free_and_end:
av_dict_free(&tmp);
av_freep(&avctx->priv_data);
av_freep(&avctx->internal);
avctx->codec= NULL;
avctx->codec = NULL;
goto end;
}
@@ -990,8 +1017,8 @@ int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
}
/* NOTE: if we add any audio encoders which output non-keyframe packets,
this needs to be moved to the encoders, but for now we can do it
here to simplify things */
* this needs to be moved to the encoders, but for now we can do it
* here to simplify things */
avpkt->flags |= AV_PKT_FLAG_KEY;
if (padded_frame) {
@@ -1026,7 +1053,7 @@ int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx,
frame->nb_samples = avctx->frame_size;
} else {
/* if frame_size is not set, the number of samples must be
calculated from the buffer size */
* calculated from the buffer size */
int64_t nb_samples;
if (!av_get_bits_per_sample(avctx->codec_id)) {
av_log(avctx, AV_LOG_ERROR, "avcodec_encode_audio() does not "
@@ -1042,19 +1069,19 @@ int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx,
}
/* it is assumed that the samples buffer is large enough based on the
relevant parameters */
* relevant parameters */
samples_size = av_samples_get_buffer_size(NULL, avctx->channels,
frame->nb_samples,
avctx->sample_fmt, 1);
if ((ret = avcodec_fill_audio_frame(frame, avctx->channels,
avctx->sample_fmt,
(const uint8_t *) samples,
(const uint8_t *)samples,
samples_size, 1)))
return ret;
/* fabricate frame pts from sample count.
this is needed because the avcodec_encode_audio() API does not have
a way for the user to provide pts */
* this is needed because the avcodec_encode_audio() API does not have
* a way for the user to provide pts */
frame->pts = ff_samples_to_time_base(avctx,
avctx->internal->sample_count);
avctx->internal->sample_count += frame->nb_samples;
@@ -1082,6 +1109,7 @@ int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx,
return ret ? ret : pkt.size;
}
#endif
#if FF_API_OLD_ENCODE_VIDEO
@@ -1091,7 +1119,7 @@ int attribute_align_arg avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf
AVPacket pkt;
int ret, got_packet = 0;
if(buf_size < FF_MIN_BUFFER_SIZE){
if (buf_size < FF_MIN_BUFFER_SIZE) {
av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
return -1;
}
@@ -1117,6 +1145,7 @@ int attribute_align_arg avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf
return ret ? ret : pkt.size;
}
#endif
int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
@@ -1168,11 +1197,11 @@ int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
const AVSubtitle *sub)
{
int ret;
if(sub->start_display_time) {
if (sub->start_display_time) {
av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
return -1;
}
if(sub->num_rects == 0 || !sub->rects)
if (sub->num_rects == 0 || !sub->rects)
return -1;
ret = avctx->codec->encode_sub(avctx, buf, buf_size, sub);
avctx->frame_number++;
@@ -1227,21 +1256,21 @@ int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *pi
{
int ret;
*got_picture_ptr= 0;
if((avctx->coded_width||avctx->coded_height) && av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx))
*got_picture_ptr = 0;
if ((avctx->coded_width || avctx->coded_height) && av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx))
return -1;
avctx->pkt = avpkt;
apply_param_change(avctx, avpkt);
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type&FF_THREAD_FRAME)){
if (HAVE_THREADS && avctx->active_thread_type&FF_THREAD_FRAME)
if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type & FF_THREAD_FRAME)) {
if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
ret = ff_thread_decode_frame(avctx, picture, got_picture_ptr,
avpkt);
else {
ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
avpkt);
picture->pkt_dts= avpkt->dts;
picture->pkt_dts = avpkt->dts;
picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
picture->width = avctx->width;
picture->height = avctx->height;
@@ -1252,8 +1281,8 @@ int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *pi
if (*got_picture_ptr)
avctx->frame_number++;
}else
ret= 0;
} else
ret = 0;
return ret;
}
@@ -1303,6 +1332,7 @@ int attribute_align_arg avcodec_decode_audio3(AVCodecContext *avctx, int16_t *sa
}
return ret;
}
#endif
int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
@@ -1353,8 +1383,7 @@ void avsubtitle_free(AVSubtitle *sub)
{
int i;
for (i = 0; i < sub->num_rects; i++)
{
for (i = 0; i < sub->num_rects; i++) {
av_freep(&sub->rects[i]->pict.data[0]);
av_freep(&sub->rects[i]->pict.data[1]);
av_freep(&sub->rects[i]->pict.data[2]);
@@ -1378,7 +1407,7 @@ av_cold int avcodec_close(AVCodecContext *avctx)
}
entangled_thread_counter++;
if(entangled_thread_counter != 1){
if (entangled_thread_counter != 1) {
av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
entangled_thread_counter--;
return -1;
@@ -1413,7 +1442,7 @@ av_cold int avcodec_close(AVCodecContext *avctx)
AVCodec *avcodec_find_encoder(enum AVCodecID id)
{
AVCodec *p, *experimental=NULL;
AVCodec *p, *experimental = NULL;
p = first_avcodec;
while (p) {
if (av_codec_is_encoder(p) && p->id == id) {
@@ -1434,7 +1463,7 @@ AVCodec *avcodec_find_encoder_by_name(const char *name)
return NULL;
p = first_avcodec;
while (p) {
if (av_codec_is_encoder(p) && strcmp(name,p->name) == 0)
if (av_codec_is_encoder(p) && strcmp(name, p->name) == 0)
return p;
p = p->next;
}
@@ -1460,7 +1489,7 @@ AVCodec *avcodec_find_decoder_by_name(const char *name)
return NULL;
p = first_avcodec;
while (p) {
if (av_codec_is_decoder(p) && strcmp(name,p->name) == 0)
if (av_codec_is_decoder(p) && strcmp(name, p->name) == 0)
return p;
p = p->next;
}
@@ -1472,7 +1501,7 @@ static int get_bit_rate(AVCodecContext *ctx)
int bit_rate;
int bits_per_sample;
switch(ctx->codec_type) {
switch (ctx->codec_type) {
case AVMEDIA_TYPE_VIDEO:
case AVMEDIA_TYPE_DATA:
case AVMEDIA_TYPE_SUBTITLE:
@@ -1496,11 +1525,11 @@ size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_ta
for (i = 0; i < 4; i++) {
len = snprintf(buf, buf_size,
isprint(codec_tag&0xFF) ? "%c" : "[%d]", codec_tag&0xFF);
isprint(codec_tag & 0xFF) ? "%c" : "[%d]", codec_tag & 0xFF);
buf += len;
buf_size = buf_size > len ? buf_size - len : 0;
ret += len;
codec_tag>>=8;
codec_tag >>= 8;
}
return ret;
}
@@ -1526,7 +1555,7 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
profile = av_get_profile_name(p, enc->profile);
} else if (enc->codec_id == AV_CODEC_ID_MPEG2TS) {
/* fake mpeg2 transport stream codec (currently not
registered) */
* registered) */
codec_name = "mpeg2ts";
} else if (enc->codec_name[0] != '\0') {
codec_name = enc->codec_name;
@@ -1538,7 +1567,7 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
codec_name = buf1;
}
switch(enc->codec_type) {
switch (enc->codec_type) {
case AVMEDIA_TYPE_VIDEO:
snprintf(buf, buf_size,
"Video: %s%s",
@@ -1557,19 +1586,19 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
enc->width, enc->height);
if (enc->sample_aspect_ratio.num) {
av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
enc->width*enc->sample_aspect_ratio.num,
enc->height*enc->sample_aspect_ratio.den,
1024*1024);
enc->width * enc->sample_aspect_ratio.num,
enc->height * enc->sample_aspect_ratio.den,
1024 * 1024);
snprintf(buf + strlen(buf), buf_size - strlen(buf),
" [PAR %d:%d DAR %d:%d]",
enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den,
display_aspect_ratio.num, display_aspect_ratio.den);
}
if(av_log_get_level() >= AV_LOG_DEBUG){
int g= av_gcd(enc->time_base.num, enc->time_base.den);
if (av_log_get_level() >= AV_LOG_DEBUG) {
int g = av_gcd(enc->time_base.num, enc->time_base.den);
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %d/%d",
enc->time_base.num/g, enc->time_base.den/g);
enc->time_base.num / g, enc->time_base.den / g);
}
}
if (encode) {
@@ -1636,7 +1665,7 @@ const char *av_get_profile_name(const AVCodec *codec, int profile)
return NULL;
}
unsigned avcodec_version( void )
unsigned avcodec_version(void)
{
return LIBAVCODEC_VERSION_INT;
}
@@ -1654,9 +1683,9 @@ const char *avcodec_license(void)
void avcodec_flush_buffers(AVCodecContext *avctx)
{
if(HAVE_THREADS && avctx->active_thread_type&FF_THREAD_FRAME)
if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
ff_thread_flush(avctx);
else if(avctx->codec->flush)
else if (avctx->codec->flush)
avctx->codec->flush(avctx);
}
@@ -1671,16 +1700,16 @@ static void video_free_buffers(AVCodecContext *s)
if (avci->buffer_count)
av_log(s, AV_LOG_WARNING, "Found %i unreleased buffers!\n",
avci->buffer_count);
for(i=0; i<INTERNAL_BUFFER_SIZE; i++){
for (i = 0; i < INTERNAL_BUFFER_SIZE; i++) {
InternalBuffer *buf = &avci->buffer[i];
for(j=0; j<4; j++){
for (j = 0; j < 4; j++) {
av_freep(&buf->base[j]);
buf->data[j]= NULL;
buf->data[j] = NULL;
}
}
av_freep(&avci->buffer);
avci->buffer_count=0;
avci->buffer_count = 0;
}
static void audio_free_buffers(AVCodecContext *avctx)
@@ -1716,7 +1745,7 @@ void avcodec_default_free_buffers(AVCodecContext *avctx)
int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
{
switch(codec_id){
switch (codec_id) {
case AV_CODEC_ID_ADPCM_CT:
case AV_CODEC_ID_ADPCM_IMA_APC:
case AV_CODEC_ID_ADPCM_IMA_EA_SEAD:
@@ -1923,16 +1952,18 @@ int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
}
#if !HAVE_THREADS
int ff_thread_init(AVCodecContext *s){
int ff_thread_init(AVCodecContext *s)
{
return -1;
}
#endif
unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
{
unsigned int n = 0;
while(v >= 0xff) {
while (v >= 0xff) {
*s++ = 0xff;
v -= 0xff;
n++;
@@ -1942,9 +1973,10 @@ unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
return n;
}
int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b){
int ff_match_2uint16(const uint16_t(*tab)[2], int size, int a, int b)
{
int i;
for(i=0; i<size && !(tab[i][0]==a && tab[i][1]==b); i++);
for (i = 0; i < size && !(tab[i][0] == a && tab[i][1] == b); i++) ;
return i;
}
@@ -1991,13 +2023,12 @@ AVHWAccel *av_hwaccel_next(AVHWAccel *hwaccel)
AVHWAccel *ff_find_hwaccel(enum AVCodecID codec_id, enum PixelFormat pix_fmt)
{
AVHWAccel *hwaccel=NULL;
AVHWAccel *hwaccel = NULL;
while((hwaccel= av_hwaccel_next(hwaccel))){
if ( hwaccel->id == codec_id
while ((hwaccel = av_hwaccel_next(hwaccel)))
if (hwaccel->id == codec_id
&& hwaccel->pix_fmt == pix_fmt)
return hwaccel;
}
return NULL;
}
@@ -2041,10 +2072,10 @@ int avpriv_unlock_avformat(void)
unsigned int avpriv_toupper4(unsigned int x)
{
return toupper( x &0xFF)
+ (toupper((x>>8 )&0xFF)<<8 )
+ (toupper((x>>16)&0xFF)<<16)
+ (toupper((x>>24)&0xFF)<<24);
return toupper(x & 0xFF)
+ (toupper((x >> 8) & 0xFF) << 8)
+ (toupper((x >> 16) & 0xFF) << 16)
+ (toupper((x >> 24) & 0xFF) << 24);
}
#if !HAVE_THREADS