[pulseaudio-discuss] [PATCH] native: Don't enable prebuffering when draining

[Tanu Kaskinen]

BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=64284
---
 src/pulsecore/protocol-native.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/pulsecore/protocol-native.c b/src/pulsecore/protocol-native.c
index 96b6850..708878e 100644
--- a/src/pulsecore/protocol-native.c
+++ b/src/pulsecore/protocol-native.c
@@ -1555,7 +1555,13 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int
 
             windex = pa_memblockq_get_write_index(s->memblockq);
 
-            pa_memblockq_prebuf_force(s->memblockq);
+            /* We enable prebuffering so that after CORKED -> RUNNING
+             * transitions we don't have trouble with underruns in case the
+             * buffer has too little data. This must not be done when draining
+             * has been requested, however, otherwise the buffered audio would
+             * never play. */
+            if (!s->drain_request)
+                pa_memblockq_prebuf_force(s->memblockq);
 
             handle_seek(s, windex);
 
-- 
1.8.1.2

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