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101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
/*
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Looking Glass - KVM FrameRelay (KVMFR) Client
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Copyright (C) 2017 Geoffrey McRae <geoff@hostfission.com>
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https://looking-glass.hostfission.com
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#pragma once
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#define W32_LEAN_AND_MEAN
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#include <windows.h>
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#include <shlwapi.h>
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#include <stdio.h>
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#include "Com.h"
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namespace MFT
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{
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enum H264_Event
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{
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H264_EVENT_ENCODE = 0x01,
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H264_EVENT_NEEDS_DATA = 0x04,
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H264_EVENT_HAS_DATA = 0x08,
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H264_EVENT_ERROR = 0x10
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};
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class H264: public IMFAsyncCallback
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{
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public:
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H264();
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~H264();
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bool Initialize(ID3D11DevicePtr device, unsigned int width, unsigned int height);
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void DeInitialize();
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unsigned int Process();
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bool ProvideFrame(ID3D11Texture2DPtr texture);
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bool GetFrame(void * buffer, const size_t bufferSize, unsigned int & dataLen);
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ID3D11DevicePtr m_device;
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unsigned int m_width;
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unsigned int m_height;
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HANDLE m_encodeEvent;
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HANDLE m_shutdownEvent;
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bool m_encodeNeedsData;
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bool m_encodeHasData;
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CRITICAL_SECTION m_encodeCS;
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UINT m_resetToken;
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IMFDXGIDeviceManagerPtr m_mfDeviceManager;
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IMFActivatePtr m_mfActivation;
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IMFTransformPtr m_mfTransform;
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IMFMediaEventGeneratorPtr m_mediaEventGen;
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/*
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Junk needed for the horrid IMFAsyncCallback interface
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*/
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STDMETHODIMP QueryInterface(REFIID riid, void ** ppv)
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{
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if (riid == __uuidof(IUnknown) || riid == __uuidof(IMFAsyncCallback)) {
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*ppv = static_cast<IMFAsyncCallback*>(this);
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AddRef();
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return S_OK;
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}
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else {
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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}
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STDMETHODIMP_(ULONG) AddRef()
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{
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return InterlockedIncrement(&m_cRef);
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}
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STDMETHODIMP_(ULONG) Release()
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{
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long cRef = InterlockedDecrement(&m_cRef);
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if (!cRef)
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delete this;
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return cRef;
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}
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STDMETHODIMP GetParameters(DWORD *pdwFlags, DWORD *pdwQueue) { return E_NOTIMPL; }
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STDMETHODIMP Invoke(IMFAsyncResult *pAsyncResult);
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private:
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long m_cRef;
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};
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}; |