Maarten Lankhorst : dsound: Fix locking in mixer.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a335f68bfba761c61f6678d389eb70e78240b9fb
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=a335f68bfba761c61f6678d389eb70e78240b9fb

Author: Maarten Lankhorst <m.b.lankhorst at gmail.com>
Date:   Sun Jul 29 21:27:41 2007 +0200

dsound: Fix locking in mixer.

---

 dlls/dsound/mixer.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/dlls/dsound/mixer.c b/dlls/dsound/mixer.c
index 1e40305..12243fe 100644
--- a/dlls/dsound/mixer.c
+++ b/dlls/dsound/mixer.c
@@ -891,7 +891,7 @@ static void DSOUND_PerformMix(DirectSoundDevice *device)
 		}
 
 		if (lock)
-			IDsDriverBuffer_Lock(device->hwbuf, &buf1, &size1, &buf2, &size2, device->mixpos, maxq, 0);
+			IDsDriverBuffer_Lock(device->hwbuf, &buf1, &size1, &buf2, &size2, writepos, maxq, 0);
 
 		/* do the mixing */
 		frag = DSOUND_MixToPrimary(device, writepos, maxq, recover, &all_stopped);
@@ -960,9 +960,11 @@ static void DSOUND_PerformMix(DirectSoundDevice *device)
 	} else {
 
 		/* update the wave queue if using wave system */
-		if(device->hwbuf == NULL){
+		if(device->hwbuf == NULL)
 			DSOUND_WaveQueue(device, TRUE);
-		}
+		else
+			/* Keep alsa happy, which needs GetPosition called once every 10 ms */
+			IDsDriverBuffer_GetPosition(device->hwbuf, NULL, NULL);
 
 		/* in the DSSCL_WRITEPRIMARY mode, the app is totally in charge... */
 		if (device->state == STATE_STARTING) {