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avutil/buffer: use the default allocator if none is provided to av_buffer_pool_init2()

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2020-06-01 10:25:09 -03:00
parent 7f817853cd
commit ec39c2276a
3 changed files with 7 additions and 1 deletions
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3
doc/APIchanges
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@ -15,6 +15,9 @@ libavutil: 2017-10-21
API changes, most recent first:
2020-06-xx - xxxxxxxxxx - lavu 56.50.100 - buffer.h
Passing NULL as alloc argument to av_buffer_pool_init2() is now allowed.
2020-xx-xx - xxxxxxxxxx - lavc 58.88.100 - avcodec.h codec.h
Move AVCodec-related public API to new header codec.h.

3
libavutil/buffer.c
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@ -229,6 +229,7 @@ AVBufferPool *av_buffer_pool_init2(int size, void *opaque,
pool->size = size;
pool->opaque = opaque;
pool->alloc2 = alloc;
pool->alloc = av_buffer_alloc; // fallback
pool->pool_free = pool_free;
atomic_init(&pool->refcount, 1);
@ -310,6 +311,8 @@ static AVBufferRef *pool_alloc_buffer(AVBufferPool *pool)
BufferPoolEntry *buf;
AVBufferRef *ret;
av_assert0(pool->alloc || pool->alloc2);
ret = pool->alloc2 ? pool->alloc2(pool->opaque, pool->size) :
pool->alloc(pool->size);
if (!ret)

2
libavutil/version.h
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@ -79,7 +79,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 56
#define LIBAVUTIL_VERSION_MINOR 49
#define LIBAVUTIL_VERSION_MINOR 50
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \