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Re: [Qemu-devel] [PATCH 06/11] paaudio: properly disconnect streams in f


From: Marc-André Lureau
Subject: Re: [Qemu-devel] [PATCH 06/11] paaudio: properly disconnect streams in fini_*
Date: Wed, 10 Jul 2019 23:58:32 +0400

On Tue, Jul 9, 2019 at 10:53 PM Kővágó, Zoltán <address@hidden> wrote:
>
> Currently this needs a workaround due to bug #247 in pulseaudio.
>
> Signed-off-by: Kővágó, Zoltán <address@hidden>
> ---
>  audio/paaudio.c | 25 +++++++++++++++++++++++--
>  1 file changed, 23 insertions(+), 2 deletions(-)
>
> diff --git a/audio/paaudio.c b/audio/paaudio.c
> index 24d98b344a..490bcd770e 100644
> --- a/audio/paaudio.c
> +++ b/audio/paaudio.c
> @@ -685,6 +685,27 @@ static int qpa_init_in(HWVoiceIn *hw, struct audsettings 
> *as, void *drv_opaque)
>      return -1;
>  }
>
> +static void qpa_simple_disconnect(PAConnection *c, pa_stream *stream)
> +{
> +    int err;
> +
> +    pa_threaded_mainloop_lock(c->mainloop);
> +    /*
> +     * wait until actually connects. workaround pa bug #247
> +     * https://gitlab.freedesktop.org/pulseaudio/pulseaudio/issues/247
> +     */
> +    while (pa_stream_get_state(stream) == PA_STREAM_CREATING) {
> +        pa_threaded_mainloop_wait(c->mainloop);
> +    }
> +
> +    err = pa_stream_disconnect(stream);
> +    if (err != 0) {
> +        dolog("Failed to dissconnect! err=%d\n", err);

disconnect

Reviewed-by: Marc-André Lureau <address@hidden>


> +    }
> +    pa_stream_unref(stream);
> +    pa_threaded_mainloop_unlock(c->mainloop);
> +}
> +
>  static void qpa_fini_out (HWVoiceOut *hw)
>  {
>      void *ret;
> @@ -696,7 +717,7 @@ static void qpa_fini_out (HWVoiceOut *hw)
>      audio_pt_join(&pa->pt, &ret, __func__);
>
>      if (pa->stream) {
> -        pa_stream_unref (pa->stream);
> +        qpa_simple_disconnect(pa->g->conn, pa->stream);
>          pa->stream = NULL;
>      }
>
> @@ -716,7 +737,7 @@ static void qpa_fini_in (HWVoiceIn *hw)
>      audio_pt_join(&pa->pt, &ret, __func__);
>
>      if (pa->stream) {
> -        pa_stream_unref (pa->stream);
> +        qpa_simple_disconnect(pa->g->conn, pa->stream);
>          pa->stream = NULL;
>      }
>
> --
> 2.22.0
>
>


--
Marc-André Lureau



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