[MPlayer-users] Slave mode - switch_audio does nothing or causes crash

[Phil Rhodes]

Hi,

I'm attempting to use the switch_audio slave mode command to select an audio 
track on a -dumpstream'd DVD VOB. When I use the following command to play 
the file manually, all is well:

C:\Documents and Settings\Administrator>c:\mplayer\mplayer 
f:\dvdtitle.vob -aid 128 -sid 1

However, when I try to use "switch_audio" soon after "load"ing the file, one 
of two things happens:

- If I send the track number 128, mplayer exits (bounds checking, guys!)
- Figuring it wanted it zero-indexed, I've tried everything from 0 to 5. 
Mplayer changes nothing, which on my test disc (PAL region 2 Mona Lisa 
Smile) means I get the Hungarian audio.

Is there some command I should be using other than switch_audio? Is it not 
intended to work on DVD VOBs? Any help much appreciated.

Phil