Re: [Qemu-devel] [PATCH 09/11] paaudio: fix playback glitches

["Marc-André Lureau" <marcandre.lureau@gmail.com>]

On Tue, Jul 9, 2019 at 10:49 PM Kővágó, Zoltán <dirty.ice.hu@gmail.com> wrote:
>
> Pulseaudio normally assumes that when the server wants it, the client
> can generate the audio samples and send it right away.  Unfortunately
> this is not the case with QEMU -- it's up to the emulated system when
> does it generate the samples.  Buffering the samples and sending them
> from a background thread is just a workaround, that doesn't work too
> well.  Instead enable pa's compatibility support and let pa worry about
> the details.
>
> Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>

Could you explain how this is related to PA_STREAM_ADJUST_LATENCY ?


> ---
>  audio/paaudio.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/audio/paaudio.c b/audio/paaudio.c
> index 9d46f11b0a..d320d2e453 100644
> --- a/audio/paaudio.c
> +++ b/audio/paaudio.c
> @@ -512,10 +512,8 @@ static pa_stream *qpa_simple_new (
>
>      flags =
>          PA_STREAM_INTERPOLATE_TIMING
> -#ifdef PA_STREAM_ADJUST_LATENCY
> -        | PA_STREAM_ADJUST_LATENCY
> -#endif
> -        | PA_STREAM_AUTO_TIMING_UPDATE;
> +        | PA_STREAM_AUTO_TIMING_UPDATE
> +        | PA_STREAM_EARLY_REQUESTS;
>
>      if (dev) {
>          /* don't move the stream if the user specified a sink/source */
> --
> 2.22.0
>
>


--
Marc-André Lureau