Previously, SNDCTL_DSP_POST and SNDCTL_DSP_SYNC were implemented
wrongly. Due to this issue, module-oss of pulseaudio generates
choppy sound when SNDCTL_DSP_POST is called. This patch fixes that.
Signed-off-by: Takashi Yano <takashi.y...@nifty.ne.jp>
---
winsup/cygwin/fhandler/dsp.cc | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/winsup/cygwin/fhandler/dsp.cc b/winsup/cygwin/fhandler/dsp.cc
index 16db6bb29..27f0a50ce 100644
--- a/winsup/cygwin/fhandler/dsp.cc
+++ b/winsup/cygwin/fhandler/dsp.cc
@@ -133,6 +133,8 @@ class fhandler_dev_dsp::Audio_out: public Audio
int freq_;
int bits_;
int channels_;
+
+ friend fhandler_dev_dsp;
};
static void CALLBACK waveIn_callback (HWAVEIN hWave, UINT msg,
@@ -1429,11 +1431,16 @@ fhandler_dev_dsp::_ioctl (unsigned int cmd, void *buf)
return 0;
CASE (SNDCTL_DSP_POST)
+ if (audio_out_)
+ audio_out_->sendcurrent (); // force out last block whatever size..
+ return 0;
+
CASE (SNDCTL_DSP_SYNC)
- // Stop audio out device
- close_audio_out ();
- // Stop audio in device
- close_audio_in ();
+ if (audio_out_)
+ {
+ audio_out_->sendcurrent (); // force out last block whatever size..
+ audio_out_->waitforallsent (); // block till finished..
+ }
return 0;
default:
--
2.39.0
