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Add documentation for the pm parameter of the av_metadata_set*

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functions.

Originally committed as revision 24771 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2010-08-11 14:38:19 +00:00
parent 32e6f246b3
commit 983ec30497
1 changed files with 4 additions and 0 deletions
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4
libavformat/avformat.h
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@ -144,6 +144,8 @@ av_metadata_get(AVMetadata *m, const char *key, const AVMetadataTag *prev, int f
/**
* Set the given tag in *pm, overwriting an existing tag.
*
* @param pm pointer to a pointer to a metadata struct. If *pm is NULL
* a metadata struct is allocated and put in *pm.
* @param key tag key to add to *pm (will be av_strduped)
* @param value tag value to add to *pm (will be av_strduped)
* @return >= 0 on success otherwise an error code <0
@ -155,6 +157,8 @@ attribute_deprecated int av_metadata_set(AVMetadata **pm, const char *key, const
/**
* Set the given tag in *pm, overwriting an existing tag.
*
* @param pm pointer to a pointer to a metadata struct. If *pm is NULL
* a metadata struct is allocated and put in *pm.
* @param key tag key to add to *pm (will be av_strduped depending on flags)
* @param value tag value to add to *pm (will be av_strduped depending on flags).
* Passing a NULL value will cause an existing tag to be deleted.