msacm32: Don't write cbSize if the format is WAVE_FORMAT_PCM.

Signed-off-by: Zebediah Figura <z.figura12@gmail.com> Signed-off-by: Andrew Eikum <aeikum@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

msacm32: Don't write cbSize if the format is WAVE_FORMAT_PCM.
4e0c3707 · Zebediah Figura · Alexandre Julliard · 2aaeeb10 · 4e0c3707
Commit 4e0c3707 authored Jun 01, 2017 by Zebediah Figura Committed by Alexandre Julliard Jun 02, 2017
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format.c dlls/msacm32/format.c +2 -1

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--- a/dlls/msacm32/format.c
+++ b/dlls/msacm32/format.c
@@ -78,7 +78,8 @@ static BOOL CALLBACK MSACM_FillFormatTagsCB(HACMDRIVERID hadid,
 		afd.pwfx = HeapAlloc(MSACM_hHeap, 0, paftd->cbFormatSize);
 		if (!afd.pwfx) return FALSE;
 		afd.pwfx->wFormatTag = paftd->dwFormatTag;
-		afd.pwfx->cbSize = paftd->cbFormatSize;
+		if (paftd->dwFormatTag != WAVE_FORMAT_PCM)
+		    afd.pwfx->cbSize = paftd->cbFormatSize - sizeof(WAVEFORMATEX);
 		afd.cbwfx = paftd->cbFormatSize;

 		for (i = 0; i < paftd->cStandardFormats; i++) {