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| author | Anton Khirnov <wyskas@gmail.com> | 2010-06-04 13:52:45 +0000 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2010-06-04 13:52:45 +0000 |
| commit | 160c896c38ee39a4e6353f5b4c392eccebeb0e42 (patch) | |
| tree | 7adf48103014e8ec77a699c9b144bea13093c6df | |
| parent | acf85d7b9d17de3dd2b273f4d60221b001367eb2 (diff) | |
| download | ffmpeg-160c896c38ee39a4e6353f5b4c392eccebeb0e42.tar.gz | |
metadata: mention how to remove tags.
Patch by Anton Khirnov, wyskas at gmail
Originally committed as revision 23468 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavformat/avformat.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/avformat.h b/libavformat/avformat.h index 80dc5c38c9..bd965e36f6 100644 --- a/libavformat/avformat.h +++ b/libavformat/avformat.h @@ -153,7 +153,8 @@ attribute_deprecated int av_metadata_set(AVMetadata **pm, const char *key, const /** * Sets the given tag in m, overwriting an existing tag. * @param key tag key to add to m (will be av_strduped depending on flags) - * @param value tag value to add to m (will be av_strduped depending on flags) + * @param value tag value to add to m (will be av_strduped depending on flags). + * Passing a NULL value will cause an existing tag to be deleted. * @return >= 0 on success otherwise an error code <0 */ int av_metadata_set2(AVMetadata **pm, const char *key, const char *value, int flags); |