On Fri, 7 Jan 2005 06:54 pm, Tj wrote: > Mark Anderson wrote: > >nly got back onto it last night after a week away camping and wake > >boarding. > > > >I am basically back at where we left off last year with big dvb 3.2. The > >problems as they stand: > > > >1. I don't really understand what the changes to mpeg.c do, it should work > >without them but doesn't. > > I'm not sure but I think Marcus may have fixed this in transport.c.. > Will try his code once (if) I get 10.1 Official installed and myth > working later today. > > If you're at home now, try his patch and restore mpeg.c and see if you > got DD. > Which patch are you referring to?
> >2. Still can't change between stream types AC3->PCM or PCM->AC3, I am > > tracking this one down and understand why it is happening, just need to > > work out how to fix it. Streams from the previous channel are still in > > the list of available streams and so it chooses it instead of the correct > > one. Need to clear them out when the channels change. > > Ah!! So that's the problem, what files and functions are you looking at? > Actually, I was wrong. It only adds new stream types as they are found. So typically you have twp streams, PCM and AC3 after selecting an AC3 channel and then a PCM channel. However, the audio is not re-initialised when you change between streams... still looking. I am looking at autoSelectAudioTrack, mainly when it is being called. > >3. The biggest problem is that the audio stutters every 5-10 seconds, my > >decoder only displays "Dolby digital..." when the stream first starts and > > I see this displayed when it stutters. I'd be interested to see if it > > happens for anyone else to eliminiate my setup. > > I only tested it for like 10 seconds on my amp. When I use an AC3 APID, > the dolby digital signal lights up, but the decoder used is still dolby > pro logic II (presumably becoz the audio is 2ch, but from what I read > you can still use pro logic II for surround effects). I did a recording > of CSI (which is supposedly surround sound), but the same thing still > happens. Like you, I also got audio stutter, and wierd audio > positioning. The problem of that stutter I suspect is due to the hacked > mpeg.c (Probably not all private streams packets are AC3 audio, but the > hacked mpeg.c treats every private stream as such).. > That's the best explanation so far, I think you might be right. > Anyway, will learn more tonight. _______________________________________________ mythtv-dev mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev
