quartz: Increase min_lag.

The max_lag variable determines how much fuzz is allowed between the sound cursor and the scheduled times, some filters are inaccurate wrt time and would skip and overwrite data otherwise.

quartz: Increase min_lag.
6e69cd4d · Maarten Lankhorst · Alexandre Julliard · 94579372 · 6e69cd4d
Commit 6e69cd4d authored Dec 01, 2010 by Maarten Lankhorst Committed by Alexandre Julliard Dec 01, 2010
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dsoundrender.c dlls/quartz/dsoundrender.c +2 -2

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--- a/dlls/quartz/dsoundrender.c
+++ b/dlls/quartz/dsoundrender.c
@@ -141,7 +141,7 @@ static HRESULT DSoundRender_GetWritePos(DSoundRenderImpl *This, DWORD *ret_write
    WAVEFORMATEX *wfx = (WAVEFORMATEX*)This->pInputPin->pin.mtCurrent.pbFormat;
    DWORD writepos, min_writepos, playpos;
    REFERENCE_TIME max_lag = 50 * 10000;
-    REFERENCE_TIME min_lag = 1 * 10000;
+    REFERENCE_TIME min_lag = 25 * 10000;
    REFERENCE_TIME cur, writepos_t, delta_t;

    DSoundRender_UpdatePositions(This, &writepos, &min_writepos);
@@ -157,7 +157,7 @@ static HRESULT DSoundRender_GetWritePos(DSoundRenderImpl *This, DWORD *ret_write
        cur = -1;

    if (writepos == min_writepos)
-        max_lag = min_lag;
+        max_lag = 0;

    *skip = 0;
    if (cur < 0 || write_at < 0) {