API changes, most recent first:
-2010-12-XX - r26104 - lavformat 52.91.0 - av_find_best_stream()
+2010-12-XX - r26104 - lavf 52.91.0 - av_find_best_stream()
Add av_find_best_stream to libavformat/avformat.h.
2010-12-27 - r26103 - lavf 52.90.0
Add AVFMT_NOSTREAMS flag for formats with no streams,
like e.g. text metadata.
-2010-12-22 - r26073 - lavutil 50.36.0 - file.h
+2010-12-22 - r26073 - lavu 50.36.0 - file.h
Add functions av_file_map() and av_file_unmap() in file.h.
-2010-12-19 - r26056 - lavutil 50.35.0 - error.h
+2010-12-19 - r26056 - lavu 50.35.0 - error.h
Add "not found" error codes:
AVERROR_DEMUXER_NOT_FOUND
AVERROR_MUXER_NOT_FOUND