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lavc: add ff_init_buffer_info() 

Fixes seeking per fileposition in ffplay.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-10-07 02:11:06 +02:00
parent 5ec55d216e
commit b93cb8383f
3 changed files with 27 additions and 0 deletions
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5
libavcodec/internal.h
View File

@ -55,4 +55,9 @@ int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b);
unsigned int ff_toupper4(unsigned int x);
/**
* does needed setup of pkt_pts/pos and such for (re)get_buffer();
*/
void ff_init_buffer_info(AVCodecContext *s, AVFrame *pic);
#endif /* AVCODEC_INTERNAL_H */

3
libavcodec/pthread.c
View File

@ -32,6 +32,7 @@
#include <pthread.h>
#include "avcodec.h"
#include "internal.h"
#include "thread.h"
typedef int (action_func)(AVCodecContext *c, void *arg);
@ -787,6 +788,8 @@ int ff_thread_get_buffer(AVCodecContext *avctx, AVFrame *f)
f->owner = avctx;
ff_init_buffer_info(avctx, f);
if (!(avctx->active_thread_type&FF_THREAD_FRAME)) {
f->thread_opaque = NULL;
return avctx->get_buffer(avctx, f);

19
libavcodec/utils.c
View File

@ -238,6 +238,22 @@ void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
*width=FFALIGN(*width, align);
}
void ff_init_buffer_info(AVCodecContext *s, AVFrame *pic)
{
if (s->pkt) {
pic->pkt_pts = s->pkt->pts;
pic->pkt_pos = s->pkt->pos;
} else {
pic->pkt_pts = AV_NOPTS_VALUE;
pic->pkt_pos = -1;
}
pic->reordered_opaque= s->reordered_opaque;
pic->sample_aspect_ratio = s->sample_aspect_ratio;
pic->width = s->width;
pic->height = s->height;
pic->format = s->pix_fmt;
}
int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
int i;
int w= s->width;
@ -1357,6 +1373,9 @@ unsigned int ff_toupper4(unsigned int x)
int ff_thread_get_buffer(AVCodecContext *avctx, AVFrame *f)
{
f->owner = avctx;
ff_init_buffer_info(avctx, f);
return avctx->get_buffer(avctx, f);
}