* Interleaving and Deinterleaving support
@ 2009-04-01 15:43 Singaravelan Nallasellan
2009-04-02 15:33 ` Clemens Ladisch
0 siblings, 1 reply; 3+ messages in thread
From: Singaravelan Nallasellan @ 2009-04-01 15:43 UTC (permalink / raw)
To: alsa-devel
Hi,
Does alsa core in the kernel support interleaving and deinterleaving? if the driver receives a deinterleaved stream and wants to interleave for the sound card, should the driver perform the conversion?
Cheers,
Sing
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Interleaving and Deinterleaving support
2009-04-01 15:43 Interleaving and Deinterleaving support Singaravelan Nallasellan
@ 2009-04-02 15:33 ` Clemens Ladisch
2009-04-02 17:11 ` Singaravelan Nallasellan
0 siblings, 1 reply; 3+ messages in thread
From: Clemens Ladisch @ 2009-04-02 15:33 UTC (permalink / raw)
To: Singaravelan Nallasellan; +Cc: alsa-devel
Singaravelan Nallasellan wrote:
> Does alsa core in the kernel support interleaving and deinterleaving?
No, but the alsa-lib plugins can do this.
> if the driver receives a deinterleaved stream and wants to interleave
> for the sound card, should the driver perform the conversion?
No, the driver should just set the bit that indicates that the hardware
supports interleaved data; the data will then be automatically
converted by alsa-lib.
HTH
Clemens
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Interleaving and Deinterleaving support
2009-04-02 15:33 ` Clemens Ladisch
@ 2009-04-02 17:11 ` Singaravelan Nallasellan
0 siblings, 0 replies; 3+ messages in thread
From: Singaravelan Nallasellan @ 2009-04-02 17:11 UTC (permalink / raw)
To: clemens; +Cc: alsa-devel
Clemens,
Thanks for the information. It really helps.
> Date: Thu, 2 Apr 2009 17:33:30 +0200
> From: clemens@ladisch.de
> To: singaravelann@hotmail.com
> CC: alsa-devel@alsa-project.org
> Subject: Re: [alsa-devel] Interleaving and Deinterleaving support
>
> Singaravelan Nallasellan wrote:
> > Does alsa core in the kernel support interleaving and deinterleaving?
>
> No, but the alsa-lib plugins can do this.
>
> > if the driver receives a deinterleaved stream and wants to interleave
> > for the sound card, should the driver perform the conversion?
>
> No, the driver should just set the bit that indicates that the hardware
> supports interleaved data; the data will then be automatically
> converted by alsa-lib.
>
>
> HTH
> Clemens
> _______________________________________________
> Alsa-devel mailing list
> Alsa-devel@alsa-project.org
> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
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2009-04-01 15:43 Interleaving and Deinterleaving support Singaravelan Nallasellan
2009-04-02 15:33 ` Clemens Ladisch
2009-04-02 17:11 ` Singaravelan Nallasellan
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