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Document the behavior of av_metadata_get() if the prev parameter is

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NULL.

Originally committed as revision 22704 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini
2010-03-27 21:14:16 +00:00
parent d14f5391c1
commit 66b6c7458e
1 changed files with 1 additions and 0 deletions
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libavformat/avformat.h
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@@ -131,6 +131,7 @@ typedef struct AVMetadataConv AVMetadataConv;
/**
* Gets a metadata element with matching key.
* @param prev Set to the previous matching element to find the next.
* If set to NULL the first matching element is returned.
* @param flags Allows case as well as suffix-insensitive comparisons.
* @return Found tag or NULL, changing key or value leads to undefined behavior.
*/