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authorMax Kellermann <max@duempel.org>2012-08-14 22:30:46 +0200
committerMax Kellermann <max@duempel.org>2012-08-14 22:30:46 +0200
commit335d5d5d72acb310e7853c64c1d2ca1404f9f62f (patch)
treeb4890247811a6fa7f2a8c9814282fd7c87f8f4a4 /src/output/pulse_output_plugin.c
parent51d793bec1f61e7048188ac4f86964486ab79142 (diff)
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mpd-335d5d5d72acb310e7853c64c1d2ca1404f9f62f.tar.xz
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output/pulse: implement method delay()
Reduce command latency while paused.
Diffstat (limited to 'src/output/pulse_output_plugin.c')
-rw-r--r--src/output/pulse_output_plugin.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/src/output/pulse_output_plugin.c b/src/output/pulse_output_plugin.c
index 42908fbcf..e267427df 100644
--- a/src/output/pulse_output_plugin.c
+++ b/src/output/pulse_output_plugin.c
@@ -762,6 +762,24 @@ pulse_output_stream_pause(struct pulse_output *po, bool pause,
return true;
}
+static unsigned
+pulse_output_delay(struct audio_output *ao)
+{
+ struct pulse_output *po = (struct pulse_output *)ao;
+ unsigned result = 0;
+
+ pa_threaded_mainloop_lock(po->mainloop);
+
+ if (po->base.pause && pulse_output_stream_is_paused(po) &&
+ pa_stream_get_state(po->stream) == PA_STREAM_READY)
+ /* idle while paused */
+ result = 1000;
+
+ pa_threaded_mainloop_unlock(po->mainloop);
+
+ return result;
+}
+
static size_t
pulse_output_play(struct audio_output *ao, const void *chunk, size_t size,
GError **error_r)
@@ -889,13 +907,8 @@ pulse_output_pause(struct audio_output *ao)
/* cork the stream */
- if (pulse_output_stream_is_paused(po)) {
- /* already paused; due to a MPD API limitation, we
- have to sleep a little bit here, to avoid hogging
- the CPU */
-
- g_usleep(50000);
- } else if (!pulse_output_stream_pause(po, true, &error)) {
+ if (!pulse_output_stream_is_paused(po) &&
+ !pulse_output_stream_pause(po, true, &error)) {
pa_threaded_mainloop_unlock(po->mainloop);
g_warning("%s", error->message);
g_error_free(error);
@@ -932,6 +945,7 @@ const struct audio_output_plugin pulse_output_plugin = {
.enable = pulse_output_enable,
.disable = pulse_output_disable,
.open = pulse_output_open,
+ .delay = pulse_output_delay,
.play = pulse_output_play,
.cancel = pulse_output_cancel,
.pause = pulse_output_pause,