I don't have a solution, per se.  I had the same problem, so I tried
xine and that worked as expected.  I'd certainly be interesting in a
general solution for mplayer, but I tend to like xine better anyway.

phlepper


On Wed, 2 Feb 2005 11:57:02 -0700, Blammo [doh] <[EMAIL PROTECTED]> wrote:
> Spoke a bit too soon.
> 
> While this resolved the audio problems on the .VOB's, I now have no
> audio for anything NOT a VOB that MythVideo (aka mplayer) is trying to
> play back.
> 
> Anyone have any better ideas on how to handle this?
> 
> 
> On Tue, 1 Feb 2005 14:11:06 -0700, Blammo [doh] <[EMAIL PROTECTED]> wrote:
> > Just thought I'd share this with others on this list. It's not really
> > MythVideo's problem (at least that I can tell) but it will be common
> > to anyone trying to use Myth to rip from DVD.
> >
> > The problem:
> > DVD ripped to HD as a PERFECT, when played back, would choose the
> > wrong audio track. For example, the movie "Spartan", when played back,
> > choose the 2:0 Directors Commentary, rather than the 5:1 AC3 track. It
> > didn't matter how many times I ripped it, or how many times I went
> > back and chose a different audio track source, it would always
> > play-back the 2:0 commentary.
> >
> > I was looking around in MPLAYER docs today, and I found something
> > called AID, or Audio ID.
> >
> > ------------------------
> >
> >       -aid <id> (also see -alang option)
> >              Select  audio  channel  [MPEG:  0-31 AVI/OGM: 1-99 ASF/RM: 
> > 0-127
> >              VOB(AC3): 128-159 VOB(LPCM): 160-191 MPEG-TS 17-8190].   
> > MPlayer
> >              prints  the  available  IDs  when  running in verbose (-v) 
> > mode.
> >              When playing an MPEG-TS stream, MPlayer/Mencoder  will  use  
> > the
> >              first program (if present) with the chosen audio stream.
> >
> > -------------------------
> >
> > When I checked with MPLAYER, here's what I saw:
> >
> > Trying demuxer 2 based on filename extension
> > system stream synced at 0xD (0)!
> > ==> Found video stream: 0
> > ==> Found audio stream: 129
> > ==> Found audio stream: 128
> > MPEG Stream reached EOF
> > ds_fill_buffer: EOF reached (stream: video)
> >
> > Opening audio decoder: [liba52] AC3 decoding with liba52
> > dec_audio: Allocating 3840 bytes for input buffer.
> > dec_audio: Allocating 6144 + 65536 = 71680 bytes for output buffer.
> > Using SSE optimized IMDCT transform
> > AC3: 2.0 (stereo)  48000 Hz  192.0 kbit/s
> > A52 flags before a52_frame: 0x2A
> > A52 flags after a52_frame: 0x2
> > Using MMX optimized resampler
> > AUDIO: 48000 Hz, 2 ch, 16 bit (0x10), ratio: 24000->192000 (192.0 kbit)
> > Selected audio codec: [a52] afm:liba52 (AC3-liba52)
> >
> > Which means, by defailt, it was using the 2.0 mix, the directors commentary.
> >
> > However, when specified as a command line:
> >
> > mplayer -aid 128 Spartan.vob
> >
> > here's what I see:
> >
> > Opening audio decoder: [liba52] AC3 decoding with liba52
> > dec_audio: Allocating 3840 bytes for input buffer.
> > dec_audio: Allocating 6144 + 65536 = 71680 bytes for output buffer.
> > Using SSE optimized IMDCT transform
> > AC3: 5.1 (3f+2r+lfe)  48000 Hz  448.0 kbit/s
> > A52 flags before a52_frame: 0x2A
> > A52 flags after a52_frame: 0xA
> > Using MMX optimized resampler
> > AUDIO: 48000 Hz, 2 ch, 16 bit (0x10), ratio: 56000->192000 (448.0 kbit)
> > Selected audio codec: [a52] afm:liba52 (AC3-liba52)
> >
> > Viola!
> >
> > So I went to the Video Playback parameters within Myth, and added -aid
> > 128 (which is standard for US AC3 5.1 apparently) and everything works
> > like a charm.
> >
> > I could see when playing things that don't have a "128" value, or when
> > there's DTS available, it would cause a problem, so perhaps I should
> > put it in the command-line of the movie itself rather than for the
> > whole Mythbox, but for NOW, it's working.
> >
> > Anyway, I've gotten so much from this list, wanted to share a little back.
> >
> 
> 
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> 
> 
> 


-- 
I hear and I forget. I see and I remember. I do and I understand.  --  Confucius
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