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| author | Humberto Ribeiro <mont3z.claro5@gmail.com> | 2018-01-03 15:22:15 -0800 |
|---|---|---|
| committer | wm4 <nfxjfg@googlemail.com> | 2018-01-04 15:41:40 +0100 |
| commit | 59b126f92225316e0cd77bb952d630553801dc85 (patch) | |
| tree | 68b5d8170973230541f36fb0cffba2da5775bc4f | |
| parent | 1b283c4a0dde1060ca1745f59a15cb8b77dfdaa5 (diff) | |
| download | ffmpeg-59b126f92225316e0cd77bb952d630553801dc85.tar.gz | |
libavutil/hwcontext_dxva2: Add check for possible errors from GetAdapterDisplayModeEx
This prevents a possible crash in CreateDeviceEx when using faulty
response from GetAdapterDisplayModeEx and allows ffmpeg to fallback to
classic d3d9.
Signed-off-by: wm4 <nfxjfg@googlemail.com>
| -rw-r--r-- | libavutil/hwcontext_dxva2.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libavutil/hwcontext_dxva2.c b/libavutil/hwcontext_dxva2.c index 2ddd4be7b1..44ebdbca95 100644 --- a/libavutil/hwcontext_dxva2.c +++ b/libavutil/hwcontext_dxva2.c @@ -485,7 +485,11 @@ static int dxva2_device_create9ex(AVHWDeviceContext *ctx, UINT adapter) if (FAILED(hr)) return AVERROR_UNKNOWN; - IDirect3D9Ex_GetAdapterDisplayModeEx(d3d9ex, adapter, &modeex, NULL); + hr = IDirect3D9Ex_GetAdapterDisplayModeEx(d3d9ex, adapter, &modeex, NULL); + if (FAILED(hr)) { + IDirect3D9Ex_Release(d3d9ex); + return AVERROR_UNKNOWN; + } d3dpp.BackBufferFormat = modeex.Format; |