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增加扩展屏的框架

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This commit is contained in:
huanglinhuan
2025-12-22 13:48:06 +08:00
parent 1bf30d3c4c
commit 065251f727
13 changed files with 834 additions and 28 deletions
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42
demo/windows_sender/ScreenCapture.cpp
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@@ -71,6 +71,48 @@ bool ScreenCapture::Initialize() {
return true;
}
bool ScreenCapture::InitializeWithOutputIndex(int index) {
HRESULT hr = S_OK;
D3D_FEATURE_LEVEL featureLevels[] = {
D3D_FEATURE_LEVEL_11_1,
D3D_FEATURE_LEVEL_11_0,
};
D3D_FEATURE_LEVEL featureLevel;
hr = D3D11CreateDevice(
nullptr,
D3D_DRIVER_TYPE_HARDWARE,
nullptr,
D3D11_CREATE_DEVICE_BGRA_SUPPORT,
featureLevels,
ARRAYSIZE(featureLevels),
D3D11_SDK_VERSION,
&device_,
&featureLevel,
&context_
);
if (FAILED(hr)) {
return false;
}
ComPtr<IDXGIDevice> dxgiDevice;
hr = device_.As(&dxgiDevice);
if (FAILED(hr)) return false;
ComPtr<IDXGIAdapter> dxgiAdapter;
hr = dxgiDevice->GetAdapter(&dxgiAdapter);
if (FAILED(hr)) return false;
ComPtr<IDXGIOutput> dxgiOutput;
hr = dxgiAdapter->EnumOutputs(index, &dxgiOutput);
if (FAILED(hr)) {
return false;
}
ComPtr<IDXGIOutput1> dxgiOutput1;
hr = dxgiOutput.As(&dxgiOutput1);
if (FAILED(hr)) return false;
hr = dxgiOutput1->DuplicateOutput(device_.Get(), &duplication_);
if (FAILED(hr)) {
return false;
}
return true;
}
bool ScreenCapture::CaptureFrame(ComPtr<ID3D11Texture2D>& texture) {
if (frame_acquired_) {
ReleaseFrame();