124 lines
3.3 KiB
C
124 lines
3.3 KiB
C
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/*
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** Command & Conquer Generals(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SIMPLEPLAYER_H
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#define SIMPLEPLAYER_H
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#include "wmsdk.h"
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//
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// we preserve a list of "ready-to-free" list of wave headers for the
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// caller to unprepare and free
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//
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typedef struct WAVEHDR_LIST {
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LPWAVEHDR pwh;
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struct WAVEHDR_LIST *next;
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} WAVEHDR_LIST;
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#define SIMPLE_PLAYER_OPEN_EVENT _T( "45ab58e0-382e-4d1c-ac50-88a5f9601851" )
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#define SIMPLE_PLAYER_CLOSE_EVENT _T( "276095fa-a8e0-48e6-ac61-8b0002345607" )
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#define WMAPLAY_EVENT _T( "9e828a72-64f3-48f0-9de8-13dafd0cbd3a" )
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///////////////////////////////////////////////////////////////////////////////
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class CSimplePlayer : public IWMReaderCallback
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{
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public:
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CSimplePlayer( HRESULT* phr );
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~CSimplePlayer();
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virtual HRESULT Play( LPCWSTR pszUrl, DWORD dwSecDuration, HANDLE hCompletionEvent, HRESULT *phrCompletion );
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//
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// IUnknown Implemenation
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//
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public:
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virtual HRESULT STDMETHODCALLTYPE QueryInterface(
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REFIID riid,
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void **ppvObject );
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virtual ULONG STDMETHODCALLTYPE AddRef();
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virtual ULONG STDMETHODCALLTYPE Release();
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//
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// IWMReaderCallback Implemenation
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//
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public:
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virtual HRESULT STDMETHODCALLTYPE OnSample(
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/* [in] */ DWORD dwOutputNum,
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/* [in] */ QWORD cnsSampleTime,
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/* [in] */ QWORD cnsSampleDuration,
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/* [in] */ DWORD dwFlags,
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/* [in] */ INSSBuffer __RPC_FAR *pSample,
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/* [in] */ void __RPC_FAR *pvContext);
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virtual HRESULT STDMETHODCALLTYPE OnStatus(
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/* [in] */ WMT_STATUS Status,
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/* [in] */ HRESULT hr,
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/* [in] */ WMT_ATTR_DATATYPE dwType,
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/* [in] */ BYTE __RPC_FAR *pValue,
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/* [in] */ void __RPC_FAR *pvContext);
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//
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// Helper Methods
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//
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protected:
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HRESULT Close();
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void OnWaveOutMsg( UINT uMsg, DWORD dwParam1, DWORD dwParam2 );
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static void CALLBACK WaveProc(
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HWAVEOUT hwo,
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UINT uMsg,
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DWORD dwInstance,
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DWORD dwParam1,
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DWORD dwParam2 );
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HRESULT AddWaveHeader( LPWAVEHDR pwh );
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void RemoveWaveHeaders( void );
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CRITICAL_SECTION m_CriSec;
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WAVEHDR_LIST *m_whdrHead;
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LONG m_cRef;
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LONG m_cBuffersOutstanding;
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BOOL m_fEof;
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HANDLE m_hCompletionEvent;
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IWMReader *m_pReader;
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IWMHeaderInfo *m_pHeader;
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HWAVEOUT m_hwo;
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HRESULT *m_phrCompletion;
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HRESULT m_hrOpen;
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HANDLE m_hOpenEvent;
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HANDLE m_hCloseEvent;
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union
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{
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WAVEFORMATEX m_wfx;
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BYTE m_WfxBuf[1024];
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};
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LPWSTR m_pszUrl;
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};
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#endif // SIMPLEPLAYER_H
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