On Wed, Nov 11, 2009 at 06:13:25PM -0500, Jon Smirl wrote:
> I don't think it is that much more work for ALSA to provide an
> accessible field indicating the end of valid data. It's already
> tracking appl_ptr. Appl_ptr just needs to be translated into a
> physical DMA buffer address and we've bee
On Wed, Nov 11, 2009 at 4:57 PM, Grant Likely wrote:
> On Wed, Nov 11, 2009 at 2:34 PM, Jon Smirl wrote:
>> On Wed, Nov 11, 2009 at 2:24 PM, Grant Likely
>> wrote:
>>> On Wed, Nov 11, 2009 at 11:37 AM, Mark Brown
>>> wrote:
On Wed, Nov 11, 2009 at 11:38:06AM -0500, Jon Smirl wrote:
>
On Wed, Nov 11, 2009 at 2:34 PM, Jon Smirl wrote:
> On Wed, Nov 11, 2009 at 2:24 PM, Grant Likely
> wrote:
>> On Wed, Nov 11, 2009 at 11:37 AM, Mark Brown
>> wrote:
>>> On Wed, Nov 11, 2009 at 11:38:06AM -0500, Jon Smirl wrote:
> Providing a final valid data point to the driver would possi
On Wed, Nov 11, 2009 at 2:24 PM, Grant Likely wrote:
> On Wed, Nov 11, 2009 at 11:37 AM, Mark Brown
> wrote:
>> On Wed, Nov 11, 2009 at 11:38:06AM -0500, Jon Smirl wrote:
>>> > Providing a final valid data point to the driver would possibly even
>>> > make things worse since if it were used then
On Wed, Nov 11, 2009 at 1:37 PM, Mark Brown
wrote:
> On Wed, Nov 11, 2009 at 11:38:06AM -0500, Jon Smirl wrote:
>
>> There are two solutions:
>> 1) tell me where the end of the valid data is. That allows me to
>> program the hardware to not enqueue the invalid data.
>> 2) For batched hardware, pad
On 11 Nov 2009, at 19:24, Grant Likely
wrote:
On Wed, Nov 11, 2009 at 11:37 AM, Mark Brown
wrote:
On Wed, Nov 11, 2009 at 11:38:06AM -0500, Jon Smirl wrote:
Providing a final valid data point to the driver would possibly
even
make things worse since if it were used then you'd have the
e
On Wed, Nov 11, 2009 at 11:37 AM, Mark Brown
wrote:
> On Wed, Nov 11, 2009 at 11:38:06AM -0500, Jon Smirl wrote:
>> > Providing a final valid data point to the driver would possibly even
>> > make things worse since if it were used then you'd have the equivalent
>> > race where the application has
On Wed, Nov 11, 2009 at 11:38:06AM -0500, Jon Smirl wrote:
> There are two solutions:
> 1) tell me where the end of the valid data is. That allows me to
> program the hardware to not enqueue the invalid data.
> 2) For batched hardware, pad an extra period with silence after the
> end of the stream
On Sat, Nov 7, 2009 at 3:12 PM, Mark Brown
wrote:
> On Sat, Nov 07, 2009 at 11:51:16AM -0700, Grant Likely wrote:
>> On Sat, Nov 7, 2009 at 5:51 AM, Jon Smirl wrote:
>
>> current period. My understanding of ALSA is that the application is
>> supposed to make sure there is enough silence in the b
On Sat, Nov 07, 2009 at 11:51:16AM -0700, Grant Likely wrote:
> On Sat, Nov 7, 2009 at 5:51 AM, Jon Smirl wrote:
> current period. My understanding of ALSA is that the application is
> supposed to make sure there is enough silence in the buffer to handle
> the lag between notification that the l
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