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Code Issues Releases Activity

hwcontext_d3d11: Fix crash with valid adapter but no device

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This crash was introduced by 8bbf2dacbf,
which could incorrectly overwrite the failure result from creating the
device.

Fixes ticket #7108.

Reviewed-by: wm4 <nfxjfg@googlemail.com>
This commit is contained in:
Mark Thompson 2018-03-27 00:04:32 +01:00
parent b3e9f3f5f5
commit 44000b7744
1 changed files with 5 additions and 3 deletions
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8
libavutil/hwcontext_d3d11va.c
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@ -556,8 +556,6 @@ static int d3d11va_device_create(AVHWDeviceContext *ctx, const char *device,
}
}
hr = mD3D11CreateDevice(pAdapter, pAdapter ? D3D_DRIVER_TYPE_UNKNOWN : D3D_DRIVER_TYPE_HARDWARE, NULL, creationFlags, NULL, 0,
D3D11_SDK_VERSION, &device_hwctx->device, NULL, NULL);
if (pAdapter) {
DXGI_ADAPTER_DESC2 desc;
hr = IDXGIAdapter2_GetDesc(pAdapter, &desc);
@ -565,8 +563,12 @@ static int d3d11va_device_create(AVHWDeviceContext *ctx, const char *device,
av_log(ctx, AV_LOG_INFO, "Using device %04x:%04x (%ls).\n",
desc.VendorId, desc.DeviceId, desc.Description);
}
IDXGIAdapter_Release(pAdapter);
}
hr = mD3D11CreateDevice(pAdapter, pAdapter ? D3D_DRIVER_TYPE_UNKNOWN : D3D_DRIVER_TYPE_HARDWARE, NULL, creationFlags, NULL, 0,
D3D11_SDK_VERSION, &device_hwctx->device, NULL, NULL);
if (pAdapter)
IDXGIAdapter_Release(pAdapter);
if (FAILED(hr)) {
av_log(ctx, AV_LOG_ERROR, "Failed to create Direct3D device (%lx)\n", (long)hr);
return AVERROR_UNKNOWN;