hxaudevds.h

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
 *      
 * The contents of this file, and the files included with this file, are 
 * subject to the current version of the RealNetworks Public Source License 
 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl, 
 * in which case the RCSL will apply. You may also obtain the license terms 
 * directly from RealNetworks.  You may not use this file except in 
 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks 
 * applicable to this file, the RCSL.  Please see the applicable RPSL or 
 * RCSL for the rights, obligations and limitations governing use of the 
 * contents of the file.  
 *  
 * This file is part of the Helix DNA Technology. RealNetworks is the 
 * developer of the Original Code and owns the copyrights in the portions 
 * it created. 
 *  
 * This file, and the files included with this file, is distributed and made 
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS 
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * 
 * Technology Compatibility Kit Test Suite(s) Location: 
 *    http://www.helixcommunity.org/content/tck 
 * 
 * Contributor(s): 
 *  
 * ***** END LICENSE BLOCK ***** */ 

#ifndef _NEWRMAUDEVDS_H_
#define _NEWRMAUDEVDS_H_

#include "dsound.h"
#include "ks.h"
#include "ksmedia.h"

#include "tsconvrt.h"

class CHXAudioSession;
class CHXAudioDevice;

typedef struct _HXAudioFormat	HXAudioFormat;
typedef struct _HXAudioData	HXAudioData;


/****************************************************************************
 *
 *  Class:
 *
 *      CHXAudioDeviceDS
 *
 *  Purpose:
 *
 *      PN implementation of audio device object.
 *
 */

class CHXAudioDeviceDS: public CHXAudioDevice
{
private:
    IDirectSound* m_pDSDev;
    IDirectSoundBuffer *m_pPrimaryBuffer, *m_pSecondaryBuffer ;
    DWORD defaultChannelMapping(UINT32 ulChannels) const ;

protected:

	WAVEFORMATEXTENSIBLE	m_WaveFormat;
	UINT32		m_ulLastPlayCursor;
	UINT32		m_ulLastWriteCursor;
	UINT32		m_ulCurrPlayTime;
	UINT32		m_ulCurrLoopTime;
	UINT32		m_ulTotalBuffer;
	HWND		m_hwnd;
	void*		m_pAudioPtrStart;
	UINT32		m_ulLoops;
	double		m_ulLoopTime;
	int		m_nBlocksPerBuffer;
	HINSTANCE	m_hSoundDll;
	HANDLE		m_hDSNotifyEvent;
	HANDLE		m_hWaitThread;
	BOOL		m_bExitThread;
	UINT32		m_ulOriginalThreadId;
	CTSConverter	m_TSConverter;

	HX_RESULT	SetPrimaryBufferFormat() ;

	inline UINT32 CalcMs(UINT32 ulNumBytes);
	HANDLE GetEventHandle() { return m_hDSNotifyEvent; };
	BOOL GetExitCode() { return m_bExitThread; };
	void PostTimeSyncMessage();
	void KillThreadAndEvent();

        static DWORD WINAPI EventThreadProc(LPVOID pVoid) ;

public:

    virtual ~CHXAudioDeviceDS();

    CHXAudioDeviceDS();

    HX_RESULT   	    _Imp_Open( const HXAudioFormat* pFormat );
    HX_RESULT   	    _Imp_Close( void );
    HX_RESULT		    _Imp_Seek(ULONG32 ulSeekTime) {     return HXR_OK; };
    HX_RESULT   	    _Imp_Pause( void );
    HX_RESULT   	    _Imp_Resume( void );
    HX_RESULT   	    _Imp_Write( const HXAudioData* pAudioOutData );
    HX_RESULT   	    _Imp_Reset( void );
    HX_RESULT  		    _Imp_Drain( void );
    BOOL 		    _Imp_SupportsVolume( void ) { return TRUE; };
    UINT16   		    _Imp_GetVolume( void );
    HX_RESULT   	    _Imp_SetVolume( const UINT16 uVolume );
    HX_RESULT   	    _Imp_CheckFormat( const HXAudioFormat* pFormat);
    HX_RESULT 		    _Imp_GetCurrentTime( ULONG32& ulCurrentTime);
    INT16		    _Imp_GetAudioFd(void) {return 0;};
    UINT16		    _NumberOfBlocksRemainingToPlay(void){return 0;};
    BOOL		    _IsWaveOutDevice(void) { return FALSE; };

    static UINT	    zm_uDestroyMessage;
};

#endif /* _NEWRMAUDEVDS_H_ */