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Code Issues Releases Activity

avcodec: Add padding after the remaining AVFrames

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This limits ABI issues in case libavcodec is linked to a libavutil with larger AVFrame
Which can happen if they are shiped in seperate binary packages and libavutil is upgraded

A cleaner alternative would be to replace them by pointers but this would likely cause
a small speedloss

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-03-18 00:08:54 +01:00
parent 2765c2ec7d
commit fc567ac49e
3 changed files with 3 additions and 0 deletions
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1
libavcodec/h264.h
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@ -289,6 +289,7 @@ typedef struct MMCO {
typedef struct H264Picture {
struct AVFrame f;
uint8_t avframe_padding[1024]; // hack to allow linking to a avutil with larger AVFrame
ThreadFrame tf;
AVBufferRef *qscale_table_buf;

1
libavcodec/mpegvideo.h
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@ -93,6 +93,7 @@ struct MpegEncContext;
*/
typedef struct Picture{
struct AVFrame f;
uint8_t avframe_padding[1024]; // hack to allow linking to a avutil with larger AVFrame
ThreadFrame tf;
AVBufferRef *qscale_table_buf;

1
libavcodec/utils.c
View File

@ -807,6 +807,7 @@ int avcodec_default_get_buffer(AVCodecContext *avctx, AVFrame *frame)
typedef struct CompatReleaseBufPriv {
AVCodecContext avctx;
AVFrame frame;
uint8_t avframe_padding[1024]; // hack to allow linking to a avutil with larger AVFrame
} CompatReleaseBufPriv;
static void compat_free_buffer(void *opaque, uint8_t *data)