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View Full Version : Need Video/Audio-Format specifications


dvd-freak
3rd October 2007, 14:48
Two weeks ago I started to code a little tool for de-/remuxing ts files to es/pes/ps/ts/mkv

I found specifications for TS/PS/PES formats (ISO 13818-1), for H.264 (ITU-T REC 2003/05) and for AC3 (with EAC3 ext) which covered my main needs for converting my DVB H.264 HD recordings.
Reading and parsing of the ts stream, parsing the pes packets (H.264/AC3) and muxing to mkv is basically working. There is still a lot of finetuning to do, but now I want to add more features:
- support for vob files from DVDs and evo files from HD DVDs
- support for MPEG-1/2 audio/video
- support for VC-1 Video
- support for on-the-fly conversion from PCM/TrueHD/DTSHD to FLAC when muxing to mkv
- support for m2ts files from Blu-ray (lowest priority)

The Specifications for MPEG-1/2 Video and Audio are no problem. I think it's easy to find those, but this is no priority.

But my current problem is the EVO format. I know that .vob/.evo basically is a mpeg program stream but with some additions. Is there any good documentation about the additions??
I am also looking for the VC-1 specifications.

dvd-freak
3rd October 2007, 20:28
I am also looking for some docs about how to mux VC1 into mkv with the V_MS/VFW/FOURCC method.
Is there anything?

Inventive Software
4th October 2007, 01:33
Hmm... one place for the VC1 in MKV is the matroska website: http://www.matroska.org. Also check out http://wiki.multimedia.cx. Neuron2 has some HD documentation buried somewhere on his site that IIRC he linked to a month or so ago. PM him and ask very nicely if he still has it. :)