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- 20090601 - r19025 - lavc 52.30.0 - av_lockmgr_register()
- av_lockmgr_register() can be used to register a callback function
- that lavc (and in the future, libraries that depend on lavc) can use
- to implement mutexes. The application should provide a callback function
- the implements the AV_LOCK_* operations described in avcodec.h.
- When the lock manager is registered FFmpeg is guaranteed to behave
- correct also in a multi-threaded application.
- 20090301 - r17682 - lavf 52.31.0 - Generic metadata API
- This version introduce a new metadata API (see av_metadata_get() and friends).
- The old API is now deprecated and shouldn't be used anymore. This especially
- include the following structure fields:
- - AVFormatContext.title
- - AVFormatContext.author
- - AVFormatContext.copyright
- - AVFormatContext.comment
- - AVFormatContext.album
- - AVFormatContext.year
- - AVFormatContext.track
- - AVFormatContext.genre
- - AVStream.language
- - AVStream.filename
- - AVProgram.provider_name
- - AVProgram.name
- - AVChapter.title
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