Zebediah Figura : quartz/waveparser: Always allocate at least a WAVEFORMATEX for the source media type.
Alexandre Julliard
julliard at winehq.org
Tue Mar 5 15:06:31 CST 2019
Module: wine
Branch: master
Commit: c0c58761e73faa13c654d47238a1a5db1277ba19
URL: https://source.winehq.org/git/wine.git/?a=commit;h=c0c58761e73faa13c654d47238a1a5db1277ba19
Author: Zebediah Figura <z.figura12 at gmail.com>
Date: Tue Mar 5 10:56:59 2019 -0600
quartz/waveparser: Always allocate at least a WAVEFORMATEX for the source media type.
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/quartz/waveparser.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/dlls/quartz/waveparser.c b/dlls/quartz/waveparser.c
index 2ea3dc0..1c3447f 100644
--- a/dlls/quartz/waveparser.c
+++ b/dlls/quartz/waveparser.c
@@ -287,10 +287,11 @@ static HRESULT WAVEParser_InputPin_PreConnect(IPin * iface, IPin * pConnectPin,
amt.majortype = MEDIATYPE_Audio;
amt.formattype = FORMAT_WaveFormatEx;
- amt.cbFormat = chunk.cb;
+ amt.cbFormat = max(chunk.cb, sizeof(WAVEFORMATEX));
amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
+ memset(amt.pbFormat, 0, amt.cbFormat);
amt.pUnk = NULL;
- IAsyncReader_SyncRead(This->pReader, pos, amt.cbFormat, amt.pbFormat);
+ IAsyncReader_SyncRead(This->pReader, pos, chunk.cb, amt.pbFormat);
amt.subtype = MEDIATYPE_Audio;
amt.subtype.Data1 = ((WAVEFORMATEX*)amt.pbFormat)->wFormatTag;
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