dsound: Allow enough space for multi-channel frames.

Signed-off-by: Huw Davies <huw@codeweavers.com> Signed-off-by: Andrew Eikum <aeikum@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dsound: Allow enough space for multi-channel frames.
2233fb37 · Huw Davies · Alexandre Julliard · 1370449d · 2233fb37
Commit 2233fb37 authored Feb 28, 2017 by Huw Davies Committed by Alexandre Julliard Feb 28, 2017
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primary.c dlls/dsound/primary.c +1 -1

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--- a/dlls/dsound/primary.c
+++ b/dlls/dsound/primary.c
@@ -240,7 +240,7 @@ static HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device, WAVEFORMATEX *wfx, 
    /* reallocate emulated primary buffer */
    if (forcewave || !mixfloat) {
        if (!forcewave)
-            new_buflen = frames * sizeof(float);
+            new_buflen = frames * wfx->nChannels * sizeof(float);

        if (device->buffer)
            newbuf = HeapReAlloc(GetProcessHeap(), 0, device->buffer, new_buflen);