Technical Background Document: 3ivx D4 4.0.4
New Features
DirectShow Video Decoder
* Fast Seeking
DirectShow Media Splitter
* Splitter now has the option of using unsupported decoders
Improvements
DirectShow Media Splitter
* Splitter now is a preferred filter
DirectShow Video Decoder
* Increased maximum priority
Core
* Encoder quality improvements
* Encoder efficiency improvements
Bugs Fixed
DirectShow Audio Decoder
* Framed audio is now handled correctly
DirectShow Media Splitter
* Framed audio is now handled correctly
Video for Windows (VfW) Codec
* ICM_SET/GETSTATE now work
Core
* QPel decoding bug fixed
QuickTime Codec
* HTTP/RTSP streaming dead-lock fixed
* HTTP/RTSP streaming framedropping fixed
* HTTP/RTSP streaming post-filters fixed
* Fixed Final Cut Pro decoding
* Fixed Final Cut Pro encoding
Windows Installer
* Bug which caused problems in many VfW applications (Adobe Premiere, Vegas Video, DVDx etc) was fixed
Known Bugs
DirectShow Media Splitter
* MP4/MOV files with track offsets play out of sync
DirectShow Audio Decoder
* MPEG-4 AAC LTP audio is not decoded correctly
Video for Windows (VfW) Codec
* FFmpeg encoded multi-bframe clips cause a crash when stepping in
VirtualDub
Permanent Issues
Core
* XviD streams prior to build0000 (ie up to and including 0.9 stable
series) with non-multiples of 16 are not MPEG-4 compliant and exhibit
occasional glitches. There is no work-around. |
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