duplicate frame detection for improved frame drop decision (CFR/PFR) updated libav* libraries from Libav ( ) (v0.7-1696-gcae4f4b, late October 2011) frame-based multithreading for H.264, VP8 10-bit decoding support for H.264, DNxHD Apple ProRes? decoding support Improper interleaving broke playback on some players bug fix: fix muxing of Closed Captions. bug fix: fix crash due to division by zero in MP4 muxer bug fix: use ISO 639-2 bibliographic form for MKV language codes start MKV clusters with a video keyframe whenever possible should improve seeking and DLNA streaming Auto Passthru: one encoder, multiple codecs lets you define allowed codecs (from supported passthru codecs) lets you pick a fallback encoder if passthru is not possible AAC Passthru (MP4, MKV containers) (known issue: Magic Cookie not passed through from MPEG Program/Transport? streams,which will break playback in e.g. DTS Passthru to MP4 container (in addition to MKV) (supported by e.g. AC3 encoder: set Dolby Surround flag in stream parameters when mixdown is Dolby Surround or Pro Logic II quality-based variable bitrate encoding support works with: Lame MP3, Vorbis, Core Audio AAC only implemented in CLI and Linux GUI Mac OS X: HE-AAC encoding support, via Core Audio FLAC encoder (16-bit, MKV container only) new AAC encoder (from libavcodec) (considered experimental) (supported mixdowns: Mono/Stereo/Dolby?, 5.1 will come later) (should be on par with faac in terms of quality, sometimes better) updated libogg (1.3.0) and libvorbis (aoTuV b6.03) audio gain control (increase/decrease audio volume) advanced options support for libavcodec encoders format: option1=value1:option2=value2 -bf 2 -trellis 2 becomes bf=2:trellis=2
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