RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Add private HW accel data infrastructure. 

Originally committed as revision 17899 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Gwenole Beauchesne 2009-03-09 08:04:41 +00:00
parent af79f1ae78
commit 68e5d5235e
2 changed files with 29 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
libavcodec/avcodec.h
View File

@ -807,6 +807,13 @@ typedef struct AVPanScan{
* - decoding: Read by user.\
*/\
int64_t reordered_opaque;\
\
/**\
* hardware accelerator private data (FFmpeg allocated)\
* - encoding: unused\
* - decoding: Set by libavcodec\
*/\
void *hwaccel_data_private;\
#define FF_QSCALE_TYPE_MPEG1 0
@ -2456,6 +2463,15 @@ typedef struct AVHWAccel {
* @return zero if successful, a negative value otherwise
*/
int (*end_frame)(AVCodecContext *avctx);
/**
* Size of HW accelerator private data.
*
* Private data is allocated with av_malloc() before
* AVCodecContext::get_buffer() and deallocated after
* AVCodecContext::release_buffer().
*/
int priv_data_size;
} AVHWAccel;
/**

13
libavcodec/mpegvideo.c
View File

@ -170,6 +170,7 @@ void ff_copy_picture(Picture *dst, Picture *src){
static void free_frame_buffer(MpegEncContext *s, Picture *pic)
{
s->avctx->release_buffer(s->avctx, (AVFrame*)pic);
av_freep(&pic->hwaccel_data_private);
}
/**
@ -179,10 +180,22 @@ static int alloc_frame_buffer(MpegEncContext *s, Picture *pic)
{
int r;
if (s->avctx->hwaccel) {
assert(!pic->hwaccel_data_private);
if (s->avctx->hwaccel->priv_data_size) {
pic->hwaccel_data_private = av_malloc(s->avctx->hwaccel->priv_data_size);
if (!pic->hwaccel_data_private) {
av_log(s->avctx, AV_LOG_ERROR, "alloc_frame_buffer() failed (hwaccel private data allocation)\n");
return -1;
}
}
}
r = s->avctx->get_buffer(s->avctx, (AVFrame*)pic);
if (r<0 || !pic->age || !pic->type || !pic->data[0]) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (%d %d %d %p)\n", r, pic->age, pic->type, pic->data[0]);
av_freep(&pic->hwaccel_data_private);
return -1;
}