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avutil/buffer: support memory poisoning

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer
2013-03-24 01:44:48 +01:00
parent d6f9610853
commit 058c002932
1 changed files with 7 additions and 0 deletions
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7
libavutil/buffer.c
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@ -71,6 +71,9 @@ AVBufferRef *av_buffer_alloc(int size)
if (!data) if (!data)
return NULL; return NULL;
if(CONFIG_MEMORY_POISONING)
memset(data, 0x2a, size);
ret = av_buffer_create(data, size, av_buffer_default_free, NULL, 0); ret = av_buffer_create(data, size, av_buffer_default_free, NULL, 0);
if (!ret) if (!ret)
av_freep(&data); av_freep(&data);
@ -276,6 +279,10 @@ static void pool_release_buffer(void *opaque, uint8_t *data)
{ {
BufferPoolEntry *buf = opaque; BufferPoolEntry *buf = opaque;
AVBufferPool *pool = buf->pool; AVBufferPool *pool = buf->pool;
if(CONFIG_MEMORY_POISONING)
memset(buf->data, 0x2a, pool->size);
add_to_pool(buf); add_to_pool(buf);
if (!avpriv_atomic_int_add_and_fetch(&pool->refcount, -1)) if (!avpriv_atomic_int_add_and_fetch(&pool->refcount, -1))
buffer_pool_free(pool); buffer_pool_free(pool);