- debug output
- added: simplified Mutex API
- fixed: correct locking in
"GetCurrentFrameRef()/ReleaseCurrentFrameRef()"
- fixed: another patch for correct frame numbering
- added: GetDecoderOutputFrameDelay()
- added: show A/V decoder output delay
- fixed: code cleanup, reworked video decoding part
- added: wait for first key frame after decoder is started
- added: measure decoder frame delay
- added: discard corrupted frames
- added: trigger low delay A/V processing in ffmpeg
- fixed: compatibility to old ffmpeg APIs
- fixed: reverted former commit
- fixed: use "low delay" only for MPEG2