looking-glass/host/Capture/DXGI.h
2019-02-22 22:16:14 +11:00

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C++

/*
Looking Glass - KVM FrameRelay (KVMFR) Client
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 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 General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
#include "ICapture.h"
#include "Com.h"
#include "TextureConverter.h"
#include "MFT/H264.h"
#include <list>
#define W32_LEAN_AND_MEAN
#include <windows.h>
#include <shlwapi.h>
#include <stdio.h>
#define DXGI_CURSOR_RING_SIZE 3
namespace Capture
{
class DXGI : public ICapture
{
public:
DXGI();
virtual ~DXGI();
const char * GetName() { return "DXGI"; }
bool CanInitialize();
bool Initialize(CaptureOptions * options);
void DeInitialize();
bool ReInitialize()
{
DeInitialize();
/*
DXGI needs some time when mode switches occur, failing to do so causes
failure to start and exceptions internal to DXGI
*/
Sleep(400);
return Initialize(m_options);
}
enum FrameType GetFrameType();
size_t GetMaxFrameSize();
unsigned int Capture();
GrabStatus GetFrame (struct FrameInfo & frame );
bool GetCursor(CursorInfo & cursor);
void FreeCursor();
GrabStatus DiscardFrame();
private:
bool InitRawCapture();
bool InitYUV420Capture();
CursorInfo m_cursorRing[DXGI_CURSOR_RING_SIZE];
unsigned int m_cursorRPos, m_cursorWPos;
ID3D11Texture2DPtr m_ftexture;
GrabStatus ReleaseFrame();
GrabStatus GrabFrameRaw (struct FrameInfo & frame);
GrabStatus GrabFrameYUV420 (struct FrameInfo & frame);
CaptureOptions * m_options;
bool m_initialized;
bool m_started;
unsigned int m_width;
unsigned int m_height;
DXGI_FORMAT m_pixelFormat;
enum FrameType m_frameType;
IDXGIFactory1Ptr m_dxgiFactory;
ID3D11DevicePtr m_device;
D3D_FEATURE_LEVEL m_featureLevel;
ID3D11DeviceContextPtr m_deviceContext;
IDXGIOutputPtr m_output;
IDXGIOutputDuplicationPtr m_dup;
bool m_releaseFrame;
ID3D11Texture2DPtr m_texture[3];
TextureConverter * m_textureConverter;
MFT::H264 * m_h264;
int m_lastCursorX, m_lastCursorY;
BOOL m_lastMouseVis;
};
};