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-rw-r--r--src/pulse/stream.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/src/pulse/stream.c b/src/pulse/stream.c
index 2bc2b1e4..5e53570e 100644
--- a/src/pulse/stream.c
+++ b/src/pulse/stream.c
@@ -376,6 +376,22 @@ static void check_smoother_status(pa_stream *s, pa_bool_t aposteriori, pa_bool_t
if (!s->smoother)
return;
+ if (!s->timing_info_valid &&
+ !aposteriori &&
+ !force_start &&
+ !force_stop &&
+ s->context->version >= 13) {
+
+ /* If the server supports STARTED and UNDERFLOW events we take
+ * them as indications when audio really starts/stops playing,
+ * if we don't have any timing info yet -- instead of trying
+ * to be smart and guessing the server time. Otherwise the
+ * unknown transport delay we don't know might add too much
+ * noise to our time calculations. */
+
+ return;
+ }
+
x = pa_rtclock_now();
if (s->timing_info_valid) {
@@ -390,7 +406,6 @@ static void check_smoother_status(pa_stream *s, pa_bool_t aposteriori, pa_bool_t
else if (force_start || s->buffer_attr.prebuf == 0)
pa_smoother_resume(s->smoother, x, TRUE);
-
/* Please note that we have no idea if playback actually started
* if prebuf is non-zero! */
}