You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

102 lines
3.2 KiB

/*****************************************************************************
* mft_d3d.h : Media Foundation Transform audio/video decoder D3D helpers
*****************************************************************************
* Copyright (C) 2023 VLC authors and VideoLAN
*
* Author: Steve Lhomme <slhomme@videolabs.io>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef VLC_MFT_D3D_H
#define VLC_MFT_D3D_H
#include <windows.h>
#include <wrl/client.h>
#include "../video_chroma/dxgi_fmt.h"
#if !defined(_GAMING_XBOX_SCARLETT) && !defined(_GAMING_XBOX_XBOXONE)
#define IGraphicsUnknown IUnknown
#endif // !_GAMING_XBOX_XBOXONE && !_GAMING_XBOX_XBOXONE
struct IMFTransform;
struct IMFDXGIDeviceManager;
struct IMFDXGIBuffer;
struct vlc_logger;
struct picture_context_t;
struct es_format_t;
struct vlc_video_context;
struct vlc_decoder_device;
class vlc_mft_ref
{
public:
virtual void AddRef() = 0;
/**
* \return true if the object was deleted
*/
virtual bool Release() = 0;
};
class vlc_mf_d3d
{
public:
~vlc_mf_d3d();
void Init();
bool CanUseD3D() const;
HRESULT SetD3D(vlc_logger *logger, IGraphicsUnknown *d3d_device, Microsoft::WRL::ComPtr<IMFTransform> &);
void ReleaseD3D(Microsoft::WRL::ComPtr<IMFTransform> &);
private:
UINT dxgi_token = 0;
Microsoft::WRL::ComPtr<IMFDXGIDeviceManager> dxgi_manager;
HANDLE d3d_handle = INVALID_HANDLE_VALUE;
#if _WIN32_WINNT < _WIN32_WINNT_WIN8
HRESULT (WINAPI *fptr_MFCreateDXGIDeviceManager)(UINT *resetToken, IMFDXGIDeviceManager **ppDeviceManager) = nullptr;
#endif
};
class MFHW_d3d
{
public:
MFHW_d3d();
virtual ~MFHW_d3d() = default;
virtual HRESULT SetD3D(vlc_logger *, vlc_decoder_device & dec_dev, Microsoft::WRL::ComPtr<IMFTransform> & mft) = 0;
virtual void Release(Microsoft::WRL::ComPtr<IMFTransform> & mft);
virtual picture_context_t *CreatePicContext(vlc_logger *, Microsoft::WRL::ComPtr<IMFDXGIBuffer> &,
vlc_mft_ref *) = 0;
virtual HRESULT SetupVideoContext(vlc_logger *, Microsoft::WRL::ComPtr<IMFDXGIBuffer> &, es_format_t & fmt_out) = 0;
vlc_video_context *vctx_out = nullptr;
vlc_decoder_device *dec_dev = nullptr;
protected:
HRESULT SetD3D(vlc_logger *, vlc_decoder_device &, IGraphicsUnknown *, Microsoft::WRL::ComPtr<IMFTransform> &);
private:
vlc_mf_d3d d3d;
};
#endif // VLC_MFT_D3D_H