audbeos.h
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: audbeos.h,v 1.1.1.1.50.1 2004/07/09 02:02:00 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 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 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (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.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * 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 ***** */
- /*******************************************************************
- *
- * audbeos.h
- *
- * CLASS: CAudioOutBeOS
- *
- * DESCRIPTION: Class definition for BeOS-specific audio devices
- *
- *******************************************************************/
- #ifndef _AUDBEOS_H_
- #define _AUDBEOS_H_
- #include <GameSoundDefs.h>
- struct IHXCallback;
- class BPushGameSound;
- #define _BEOS_AUDIODEV_CALLBACK 0
- class CAudioOutBeOS : public CHXAudioDevice
- {
- public:
- CAudioOutBeOS();
- #if _BEOS_AUDIODEV_CALLBACK
- /* Create friend class for scheduled playback callback.
- */
- class HXPlaybackCountCb : public IHXCallback
- {
- private:
- LONG32 m_lRefCount;
- ~HXPlaybackCountCb();
- PRIVATE_DESTRUCTORS_ARE_NOT_A_CRIME
- public:
- HXPlaybackCountCb(BOOL timed = TRUE);
- BOOL m_timed;
- CAudioOutBeOS *m_pAudioDeviceObject;
- /*
- * IUnknown methods
- */
- STDMETHOD(QueryInterface) (THIS_
- REFIID riid,
- void** ppvObj);
- STDMETHOD_(ULONG32,AddRef) (THIS);
- STDMETHOD_(ULONG32,Release) (THIS);
- /*
- * IHXCallback methods
- */
- STDMETHOD(Func) (THIS);
- };
- friend HXPlaybackCountCb;
- #endif
- protected:
- virtual ~CAudioOutBeOS();
- HX_RESULT _Imp_Open( const HXAudioFormat* pFormat );
- HX_RESULT _Imp_Close( void );
- HX_RESULT _Imp_Seek(ULONG32 ulSeekTime);
- 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 );
- 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);
- private:
- void SetFormat(const HXAudioFormat* pFormat);
- UINT32 CalculateElapsedBytes(UINT32 ulLastBytePos, UINT32 ulCurrentBytePos);
- UINT32 CalcMs(ULONG32 ulNumBytes);
- #if _BEOS_AUDIODEV_CALLBACK
- void DoTimeSyncs(void);
- HX_RESULT ReschedPlaybackCheck(void);
- #endif
- BPushGameSound *m_player;
- gs_audio_format m_gameSoundFormat;
- CHXSimpleList *m_pPendingBufferList;
- UINT32 m_ulLastPlayCursor;
- UINT32 m_ulCurrentPlayTime;
- UINT32 m_ulLastTimeSync;
- UINT32 m_ulBufferSize;
- UINT32 m_ulFrameSize;
- UINT32 m_ulNextWriteOffset;
- UINT32 m_ulOldBytesLeft;
- UINT32 m_ulBlockSize;
- HX_BITFIELD m_bGotAWrite : 1;
- HX_BITFIELD m_bFirstWrite : 1;
- HX_BITFIELD m_bPlaying : 1;
- #if _BEOS_AUDIODEV_CALLBACK
- Timeval *m_pPlaybackCountCBTime;
- BOOL m_bCallbackPending;
- ULONG32 m_PendingCallbackID;
- #endif
- };
- #endif // _AUDBEOS_H_