[Mplayer-dev-eng] playing two mplayer processes

Nilmoni Deb ndeb at ece.cmu.edu
Sat Jun 23 04:05:30 CEST 2001


> Hi,
> 	I am trying to play two independent audio+video streams 
> with mplayer just to see if I could see two movies in parallel,
> each with audio and video. I am using the CVS of June22 and SDL-1.2.1.
> 
> One way I could do it was by using these commands in this order ->
> 
> mplayer -vo x11 -ao sdl:esd file.mpg
> 
> mplayer -vo x11 -ao sdl file.mpg
> 
> I have these drivers: sound - oss, esd ; video - x11, xv, sdl
> 
> The one using esd audio driver makes crackling sound (even when playing
> alone as I start that first).
> 
> If I reverse the order of the commands then the second one fails to give
> audio with the error message :
> 
> SDL: using esd audio driver
> SDL: Unable to open audio: No available audio device
> couldn't open/init audio device -> NOSOUND
> Audio: no sound
> 
> I am wondering why the order matters and also why esd gives degraded sound
> output.
> 
> thanks
> - Nil


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