From 2cd620802a3a7a1011a89c301270737ac1a1cfe5 Mon Sep 17 00:00:00 2001 From: Maarten Lankhorst Date: Fri, 8 Aug 2008 20:50:02 +0200 Subject: [PATCH] winealsa.drv: Add ability to recover from underruns to directsound driver. Fixes handling of buffer underruns that might still occur. --- dlls/winealsa.drv/dsoutput.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/dlls/winealsa.drv/dsoutput.c b/dlls/winealsa.drv/dsoutput.c index 130e1813ec9..72fc0a7c37d 100644 --- a/dlls/winealsa.drv/dsoutput.c +++ b/dlls/winealsa.drv/dsoutput.c @@ -548,7 +548,13 @@ static HRESULT WINAPI IDsDriverBufferImpl_GetPosition(PIDSDRIVERBUFFER iface, } if (state == SND_PCM_STATE_RUNNING) { - snd_pcm_uframes_t used = This->mmap_buflen_frames - snd_pcm_avail_update(This->pcm); + snd_pcm_sframes_t used = This->mmap_buflen_frames - snd_pcm_avail_update(This->pcm); + + if (used < 0) + { + snd_pcm_forward(This->pcm, -used); + used = 0; + } if (This->mmap_pos > used) hw_pptr = This->mmap_pos - used; -- 2.11.4.GIT