Re: Surround example?

[Takashi Iwai <tiwai@suse.de>]

At Sat, 19 Nov 2005 10:26:14 +0100,
Dino Puller wrote:
> 
> 
> 
> -------- Original Message --------
> Subject: 	Re: [Alsa-devel] Surround example?
> Date: 	Sat, 19 Nov 2005 10:25:34 +0100
> From: 	Dino Puller <dino@e4a.it>
> To: 	Takashi Iwai <tiwai@suse.de>
> References: 	<437CFAE5.5080908@e4a.it> <437DC4D3.3050900@e4a.it> 
> <s5hoe4ip00t.wl%tiwai@suse.de> <437DDD5E.8060405@e4a.it> 
> <s5hlkzmoxxm.wl%tiwai@suse.de>
> 
> 
> 
> Takashi Iwai wrote:
> 
> >At Fri, 18 Nov 2005 14:55:42 +0100,
> >Dino Puller wrote:
> >  
> >
> >>Takashi Iwai wrote:
> >>
> >>    
> >>
> >>>At Fri, 18 Nov 2005 13:10:59 +0100,
> >>>Dino Puller wrote:
> >>> 
> >>>
> >>>      
> >>>
> >>>>Dino Puller wrote:
> >>>>
> >>>>   
> >>>>
> >>>>        
> >>>>
> >>>>>Hi all,
> >>>>>  i'd like to code a surround player, but i haven't found any 
> >>>>>documentation about it, can you give me a link to a tutorial or an 
> >>>>>example or something?
> >>>>>
> >>>>>Thanks,
> >>>>> Dino Puller
> >>>>>
> >>>>>
> >>>>>     
> >>>>>
> >>>>>          
> >>>>>
> >>>>Ok now i've opened my surrond40 device but now what i have to change to 
> >>>>my snd_pcm_mmap_begin/snd_pcm_mmap_commit routine? Actully i can hear 
> >>>>noise only from front channels.
> >>>>   
> >>>>
> >>>>        
> >>>>
> >>>Are you using 1.0.10-final?
> >>>
> >>>
> >>>Takashi
> >>>
> >>> 
> >>>
> >>>      
> >>>
> >>No  i'm using default alsalib that come with debian sid: 1.0.9
> >>are there any improvement or issue in 1.0.10 ?
> >>    
> >>
> >
> >Yes.
> >
> >
> >Takashi
> >
> >
> >  
> >
> Hmm i'm looking to pcm.c example but when i lunch
> #./pcm -Dsurround40 -c4 -mdirect_interleaved
> I obtain:
> 
> Access type not available for playback: Invalid argument
> Setting of hwparams failed: Invalid argument

WORKSFORME.  Which driver?


Takashi


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