Mention that metadata tags are (unvalidated) UTF-8.

Patch by Anton Khirnov <wyskas gmail com>.

Originally committed as revision 22028 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Anton Khirnov 2010-02-24 18:01:44 +00:00 committed by Ronald S. Bultje
parent 6d0155c79c
commit 6164842300

View File

@ -63,7 +63,9 @@ struct AVFormatContext;
/*
* Public Metadata API.
* The metadata API allows libavformat to export metadata tags to a client
* application using a sequence of key/value pairs.
* application using a sequence of key/value pairs. Like all strings in FFmpeg,
* metadata must be stored as UTF-8 encoded Unicode. Note that metadata
* exported by demuxers isn't checked to be valid UTF-8 in most cases.
* Important concepts to keep in mind:
* 1. Keys are unique; there can never be 2 tags with the same key. This is
* also meant semantically, i.e., a demuxer should not knowingly produce