[MPlayer-dev-eng] [PATCH] add support of compression algorithm 3 in mkv demuxer
Alexander Beregalov
a.beregalov at gmail.com
Wed May 7 09:05:42 CEST 2008
2008/5/7 compn <tempn at twmi.rr.com>:
>
> On Wed, 7 May 2008 02:24:48 +0400
> "Alexander Beregalov" <a.beregalov at gmail.com> wrote:
>
> > Specs from http://www.matroska.org/technical/specs/ :
> > ContentCompAlgo The compression algorithm used. Algorithms that have
> > been specified so far are: 0 - zlib, 1 - bzlib, 2 - lzo1x, 3 - Header
> > Stripping.
> > ContentCompSettings Settings that might be needed by the
> > decompressor. For Header Stripping (ContentCompAlgo=3), the bytes that
> > were removed from the beggining of each frames of the track.
> >
> > I have such file, it works for me.
> >
> > | + A track
> > | + Track number: 2
> > | + Track UID: 2
> > | + Track type: audio
> > | + Lacing flag: 1
> > | + Default flag: 1
> > | + Codec ID: A_AC3
> > | + Content encodings
> > | + Content encoding
> > | + Content compression
> > | + Algorithm: 3 (header removal)
> > | + Settings: length 2, data: 0x0b 0x77
> >
> > See an attachment.
> > Please comment.
> >
>
> mplayer is slowly moving towards libavformat demuxers
> can you check if mplayer -demuxer lavf file.mkv works for you
> and if not, send a patch to ffmpeg to add support? :)
>
> also uploading a small sample would be nice.
>
> -compn
> _______________________________________________
> MPlayer-dev-eng mailing list
> MPlayer-dev-eng at mplayerhq.hu
> https://lists.mplayerhq.hu/mailman/listinfo/mplayer-dev-eng
>
No, it doesnot work.
I uploaded a file named atlantis405-test.mkv.
More information about the MPlayer-dev-eng
mailing list