From 836475faa33207e51dffbe1c954bc8bedc74cdbf Mon Sep 17 00:00:00 2001 From: Kamal Mostafa Date: Wed, 13 Jul 2011 20:35:45 -0700 Subject: [PATCH] simpleaudio: zero pulseaudio playback latency --- src/simpleaudio-pulse.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/src/simpleaudio-pulse.c b/src/simpleaudio-pulse.c index b9057a3..243cb4f 100644 --- a/src/simpleaudio-pulse.c +++ b/src/simpleaudio-pulse.c @@ -70,6 +70,7 @@ sa_pulse_write( simpleaudio *sa, float *buf, size_t nframes ) static void sa_pulse_close( simpleaudio *sa ) { + pa_simple_drain(sa->backend_handle, NULL); pa_simple_free(sa->backend_handle); } @@ -108,8 +109,10 @@ simpleaudio_open_stream_pulseaudio( .fragsize = (uint32_t)-1, }; - /* set for lowest possible latency */ - attr.fragsize = 0; + attr.fragsize = 0; /* set for lowest possible capture latency */ + + attr.prebuf = 1; /* do not start stream until data available*/ + attr.tlength = 0; /* set lowest possible playback latency */ /* Create the playback or recording stream */ pa_simple *s;