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[Qemu-devel] [PULL 08/15] paaudio: properly disconnect streams in fini_*


From: Gerd Hoffmann
Subject: [Qemu-devel] [PULL 08/15] paaudio: properly disconnect streams in fini_*
Date: Tue, 13 Aug 2019 13:18:02 +0200

From: Kővágó, Zoltán <address@hidden>

Currently this needs a workaround due to bug #247 in pulseaudio.

Signed-off-by: Kővágó, Zoltán <address@hidden>
Reviewed-by: Marc-André Lureau <address@hidden>
Message-id: address@hidden
Signed-off-by: Gerd Hoffmann <address@hidden>
---
 audio/paaudio.c | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/audio/paaudio.c b/audio/paaudio.c
index 24d98b344a37..1d68173636ed 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 disconnect! err=%d\n", err);
+    }
+    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;
     }
 
-- 
2.18.1




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