vdpau: add a constructor for AVVDPAUContext.

We will likely want to add new fields to it in the future, so this is needed to avoid breaking ABI.

Anton Khirnov committed 13 years ago

Commit 728c4651 parent ca22d1d3 files · +18 −0Browse files

Unified · Split

3 files

@@ -15,6 +15,8 @@ API changes, most recent first: · 14 unmodified lines
15		15
16	2013-11-xx - xxxxxxx - lavc 55.26.0 - vdpau.h	16	2013-11-xx - xxxxxxx - lavc 55.26.0 - vdpau.h
17	Add av_vdpau_get_profile().	17	Add av_vdpau_get_profile().
		18	Add av_vdpau_alloc_context(). This function must from now on be
		19	used for allocating AVVDPAUContext.
18		20
19	2013-11-xx - xxxxxxx - lavc 55.25.0 - avcodec.h	21	2013-11-xx - xxxxxxx - lavc 55.25.0 - avcodec.h
20	Add ITU-R BT.2020 and other not yet included values to color primaries,	22	Add ITU-R BT.2020 and other not yet included values to color primaries,

@@ -133,4 +133,9 @@ do { \ · 132 unmodified lines
133	return AVERROR(EINVAL);	133	return AVERROR(EINVAL);
134	}	134	}
135		135
		136	AVVDPAUContext *av_vdpau_alloc_context(void)
		137	{
		138	return av_mallocz(sizeof(AVVDPAUContext));
		139	}
		140
136	/* @}*/	141	/* @}*/

  * during initialization or through each AVCodecContext.get_buffer()
  * function call. In any case, they must be valid prior to calling
  * 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 {
     /**
 #endif
 } 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.
  * Should be called from the AVCodecContext.get_format() callback.

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