Re: [alsa-devel] Buffer size for ALSA USB PCM audio

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Pavel Hofman wrote:
> On 27.8.2013 09:19, Clemens Ladisch wrote:
>> The driver cannot control how many samples actually end up in a capture
>> packet,...
>
> Does this reasoning apply to asynchronous playback too?

No.

> I understand the driver has some control, but has to satisfy the endpoint
> feedback requests.

When the driver wants to submit a playback URB, it knows how many
samples it is copying into the packets.  (There is a delay between the
device reporting its desired rate and the driver actually using it.)


Regards,
Clemens
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux