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

Alexander Roalter alex at roalter.it
Mon Oct 15 09:45:41 CEST 2007

Nico Sabbi wrote:
> Il Monday 15 October 2007 04:41:59 Phil Rhodes ha scritto:
>> 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.
Other then a backtrace, does the '#'-switch in normal mode work?
If not, do you use any audio filter (-af xxxx) at all?


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