Re: [Mvpmc-users] universal transcoding script

2007-10-18 Thread MVallevand
On 10/18/07, Tom Metro <[EMAIL PROTECTED]> wrote: > OK, so the mvpmc code uses a software codec to decode the audio and then specifically mvpmc uses liba52 http://liba52.sourceforge.net/ for analog. You seem to want to ignore the digital output which is where true 5:1 is available. > it writes

Re: [Mvpmc-users] universal transcoding script

2007-10-18 Thread Tom Metro
MVallevand wrote: > No, the problem is the demux. There is no hardware decoder... OK, so the mvpmc code uses a software codec to decode the audio and then it writes it to some buffer to be processed by the MVP hardware. > The main difference from mpeg audio is there is no documented hardware >

Re: [Mvpmc-users] universal transcoding script

2007-10-18 Thread MVallevand
On 10/18/07, Tom Metro <[EMAIL PROTECTED]> wrote: > I don't know anything about the sync problems with AC3 audio on mvpmc, > but from what I've picked up from reading the dev list I got the > impression that it wasn't just a problem with how the audio was > multiplexed with the video, but instead a

Re: [Mvpmc-users] universal transcoding script

2007-10-18 Thread Tom Metro
Roger Heflin wrote: >> Using this technique I've gotten playable video from an RTJpeg file, >> but so far with horrible audio sync problems and video that seems to >> degraded into slow motion. Perhaps the bitrate is too high, or something. > > My calculations of derating video bitrates may need

Re: [Mvpmc-users] universal transcoding script

2007-10-18 Thread Tom Metro
stuart wrote: > [on the fly transcoding] would skirt the skip > forward / backwards benefits that people have been adding to the > MVPMC/mythtv code (well, I assume as much - am I right?). Not necessarily. But it adds complications. Take the skip forward use case. I haven't looked at the protoc

Re: [Mvpmc-users] universal transcoding script

2007-10-18 Thread Roger Heflin
stuart wrote: > > > Roger Heflin wrote: >> Tom Metro wrote: >>> Roger, > ... I have not noticed any sync issues. >>> I converted an Xvid using it, and it produced a nice looking picture, >>> but garbled audio when played back via the mvpmc filesystem browser. >> >> I don't believe I have tr

Re: [Mvpmc-users] universal transcoding script

2007-10-18 Thread stuart
Roger Heflin wrote: > Tom Metro wrote: >> Roger, ... >>> I have not noticed any sync issues. >> I converted an Xvid using it, and it produced a nice looking picture, >> but garbled audio when played back via the mvpmc filesystem browser. > > I don't believe I have tried any xvid stuff yet. > >