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vdpau: add a constructor for AVVDPAUContext.

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We will likely want to add new fields to it in the future, so this is
needed to avoid breaking ABI.
This commit is contained in:
Anton Khirnov 2013-11-02 22:01:14 +01:00
parent ca22d1dea2
commit 728c465856
3 changed files with 18 additions and 0 deletions
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2
doc/APIchanges
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@ -15,6 +15,8 @@ API changes, most recent first:
2013-11-xx - xxxxxxx - lavc 55.26.0 - vdpau.h 2013-11-xx - xxxxxxx - lavc 55.26.0 - vdpau.h
Add av_vdpau_get_profile(). Add av_vdpau_get_profile().
Add av_vdpau_alloc_context(). This function must from now on be
used for allocating AVVDPAUContext.
2013-11-xx - xxxxxxx - lavc 55.25.0 - avcodec.h 2013-11-xx - xxxxxxx - lavc 55.25.0 - avcodec.h
Add ITU-R BT.2020 and other not yet included values to color primaries, Add ITU-R BT.2020 and other not yet included values to color primaries,

5
libavcodec/vdpau.c
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@ -133,4 +133,9 @@ do { \
return AVERROR(EINVAL); return AVERROR(EINVAL);
} }
AVVDPAUContext *av_vdpau_alloc_context(void)
{
return av_mallocz(sizeof(AVVDPAUContext));
}
/* @}*/ /* @}*/

11
libavcodec/vdpau.h
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@ -74,6 +74,10 @@ union AVVDPAUPictureInfo {
* during initialization or through each AVCodecContext.get_buffer() * during initialization or through each AVCodecContext.get_buffer()
* function call. In any case, they must be valid prior to calling * function call. In any case, they must be valid prior to calling
* decoding functions. * decoding functions.
*
* The size of this structure is not a part of the public ABI and must not
* be used outside of libavcodec. Use av_vdpau_alloc_context() to allocate an
* AVVDPAUContext.
*/ */
typedef struct AVVDPAUContext { typedef struct AVVDPAUContext {
/** /**
@ -126,6 +130,13 @@ typedef struct AVVDPAUContext {
#endif #endif
} AVVDPAUContext; } AVVDPAUContext;
/**
* Allocate an AVVDPAUContext.
*
* @return Newly-allocated AVVDPAUContext or NULL on failure.
*/
AVVDPAUContext *av_vdpau_alloc_context(void);
/** /**
* Get a decoder profile that should be used for initializing a VDPAU decoder. * Get a decoder profile that should be used for initializing a VDPAU decoder.
* Should be called from the AVCodecContext.get_format() callback. * Should be called from the AVCodecContext.get_format() callback.