[add] automatic de-interlacing
[fix] audio only transcoding issue when AviSynth set as video source
[fix] tags transferring issue
[fix] AviSynth and FFmpeg not working together issue
[fix] picture expanding issue with AviSynth
[fix] playback of transcoded file not working normally
[update] FFmpeg reverted to r18695
[update] LAME 3.98.2
[update] OggEnc 2.85 (libvorbis 1.2.3)
