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avutil: add av_buffer_get_ref_count() 

This function is quite usefull for debuging

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-03-30 19:13:26 +01:00
parent 746016598d
commit dc92464aee
2 changed files with 7 additions and 0 deletions
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5
libavutil/buffer.c
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@ -130,6 +130,11 @@ void *av_buffer_get_opaque(const AVBufferRef *buf)
return buf->buffer->opaque;
}
int av_buffer_get_ref_count(const AVBufferRef *buf)
{
return buf->buffer->refcount;
}
int av_buffer_make_writable(AVBufferRef **pbuf)
{
AVBufferRef *newbuf, *buf = *pbuf;

2
libavutil/buffer.h
View File

@ -167,6 +167,8 @@ int av_buffer_is_writable(const AVBufferRef *buf);
*/
void *av_buffer_get_opaque(const AVBufferRef *buf);
int av_buffer_get_ref_count(const AVBufferRef *buf);
/**
* Create a writable reference from a given buffer reference, avoiding data copy
* if possible.