Jörg Höhle : mmdevapi: Fix stuttering upon start and underrun.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 03ad9366f1ada4fbda6adeb44cc64b0e61413d7c
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=03ad9366f1ada4fbda6adeb44c...

Author: Jörg Höhle 
Date:   Tue Sep 20 15:03:52 2011 +0200

mmdevapi: Fix stuttering upon start and underrun.

---

dlls/winealsa.drv/mmdevdrv.c |    3 ++-
 dlls/wineoss.drv/mmdevdrv.c  |    3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/dlls/winealsa.drv/mmdevdrv.c b/dlls/winealsa.drv/mmdevdrv.c
index c77b54e..15146f5 100644
--- a/dlls/winealsa.drv/mmdevdrv.c
+++ b/dlls/winealsa.drv/mmdevdrv.c
@@ -2107,7 +2107,8 @@ static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
                 alsa_wrap_buffer(This,
                         This->tmp_buffer + written * This->fmt->nBlockAlign,
                         written_frames - written);
-
+            else
+                This->lcl_offs_frames += written;
             This->held_frames = written_frames - written;
         }
     }
diff --git a/dlls/wineoss.drv/mmdevdrv.c b/dlls/wineoss.drv/mmdevdrv.c
index 629f4f7..562a674 100644
--- a/dlls/wineoss.drv/mmdevdrv.c
+++ b/dlls/wineoss.drv/mmdevdrv.c
@@ -1740,7 +1740,8 @@ static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
             if(This->buf_state == LOCKED_WRAPPED)
                 oss_wrap_buffer(This, This->tmp_buffer + w_bytes,
                         written_frames - w_frames);
-
+            else
+                This->lcl_offs_frames += w_frames;
             This->held_frames = written_frames - w_frames;
         }
     }