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avcodec/mfenc: add support for D3D11 input surfaces

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Adds D3D11 input surface support to the MediaFoundation encoder (mfenc),
allowing direct encoding of GPU frames without readback to system memory.
This improves performance and compatibility when used alongside scale_d3d11.

Signed-off-by: Dash Santosh <dash.sathyanarayanan@multicorewareinc.com>
This commit is contained in:
Dash Santosh 2025-05-22 05:34:37 -07:00 • committed by dwbuiten
parent 96821211c2
commit d56522c6eb
2 changed files with 185 additions and 29 deletions
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7
libavcodec/mf_utils.h
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@ -53,6 +53,13 @@ typedef struct MFFunctions {
IMFMediaBuffer **ppBuffer);
HRESULT (WINAPI *MFCreateSample) (IMFSample **ppIMFSample);
HRESULT (WINAPI *MFCreateMediaType) (IMFMediaType **ppMFType);
HRESULT (WINAPI *MFCreateDXGISurfaceBuffer) (REFIID riid,
IUnknown* punkSurface,
UINT uSubresourceIndex,
BOOL fBottomUpWhenLinear,
IMFMediaBuffer** ppBuffer);
HRESULT (WINAPI *MFCreateDXGIDeviceManager) (UINT* resetToken,
IMFDXGIDeviceManager** ppDeviceManager);
// MFTEnumEx is missing in Windows Vista's mfplat.dll.
HRESULT (WINAPI *MFTEnumEx)(GUID guidCategory, UINT32 Flags,
const MFT_REGISTER_TYPE_INFO *pInputType,