audsymbian.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2003 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 _AUDSYMBIAN
- #define _AUDSYMBIAN
- #include <stdio.h>
- #include <e32base.h>
- #include "hxengin.h"
- #include "hxcom.h"
- #include "hxausvc.h"
- #include "auderrs.h"
- #include "hxaudply.h"
- #include "chxmapptrtoptr.h"
- struct IHXAudioDeviceResponse;
- class CHXSimpleList;
- class HXSymbianAudioClient;
- class HXSymbianAudioServerContext;
- class CHXAudioDevice : public IHXAudioDevice, public CActive
- {
- public:
- CHXAudioDevice();
- static const int MAX_VOLUME;
-
- //IUnkown methods.
- STDMETHOD(QueryInterface) (THIS_ REFIID riid, void** ppvObj);
- STDMETHOD_(ULONG32,AddRef) (THIS);
- STDMETHOD_(ULONG32,Release) (THIS);
- //IHXAudioDevice methods
- HX_RESULT Open( const HXAudioFormat* pFormat,
- IHXAudioDeviceResponse* );
- HX_RESULT Close( const BOOL bFlush);
- HX_RESULT Write( const HXAudioData* pAudioOutHdr );
- HX_RESULT Reset( void );
- HX_RESULT Drain( void );
- HX_RESULT SetVolume( const UINT16 uVolume );
- HX_RESULT GetCurrentAudioTime( ULONG32& ulCurrentTime);
- BOOL SupportsVolume( void );
- UINT16 GetVolume( void );
- short GetAudioFd( void );
- HX_RESULT Seek(ULONG32 ulSeekTime);
- HX_RESULT Resume( void );
- HX_RESULT Pause( void );
- HX_RESULT CheckFormat( const HXAudioFormat* pFormat);
- UINT16 NumberOfBlocksRemainingToPlay(void);
- BOOL InitVolume( const UINT16 uMinVolume, const UINT16 uMaxVolume);
- //XXXgfw These is not part of any interface but it is called from
- //the audio stream anyway. Need to fix that. We don't need a
- //context anyway.
- inline void Init(IUnknown* pContext) {}
- inline BOOL IsWaveOutDevice() { return TRUE; }
- inline void SetGranularity(ULONG32 ulGranularity,
- ULONG32 ulBytesPerGran) {}
- inline static CHXAudioDevice* Create(IHXPreferences* pPrefs)
- { return new CHXAudioDevice; }
- // CActive
- virtual void RunL();
- virtual void DoCancel();
-
- protected:
-
- //--------------------------------------------------
- // DEVICE SPECIFIC METHODS
- //--------------------------------------------------
- virtual ~CHXAudioDevice();
- HX_RESULT OpenDevice();
- HX_RESULT InitDevice(const HXAudioFormat* pFormat);
- HX_RESULT WriteToDevice(IHXBuffer* pAudioBuf);
- private:
- //protect the un-intentional copy ctor and assignment.
- CHXAudioDevice( const CHXAudioDevice& );
- CHXAudioDevice& operator=(const CHXAudioDevice& it );
- LONG32 m_lRefCount;
- bool m_deviceOpen;
- CHXSimpleList* m_pWriteList;
- IHXAudioDeviceResponse* m_pDeviceResponse;
- HXSymbianAudioClient* m_pAudioStream;
- HXSymbianAudioServerContext* m_pAudioServerContext;
- bool m_paused;
- UINT16 m_uMinPlayerVolume;
- UINT16 m_uMaxPlayerVolume;
- UINT32 m_uMinDevVolume;
- UINT32 m_uMaxDevVolume;
- };
- #endif //_AudioOutSYMBIAN