audlinux_esound.h
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- /* ***** 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 ***** */
- //===================================================================================
- //
- // audESound.h
- //
- // CLASS: CAudioOutESound
- //
- // Implements the sound subsystem for the Enlightenment Sound
- // Deamon.
- //
- //===================================================================================
- #ifndef _ADUESOUND_H_
- #define _ADUESOUND_H_
- //-----------------------------------------------
- // System includes.
- //-----------------------------------------------
- #include <esd.h>
- //------------------------------------------------
- // local includes
- //------------------------------------------------
- #include "hxcom.h"
- #include "hxslist.h"
- #include "dllacces.h"
- #include "dllpath.h"
- #include "audUnix.h"
- class CAudioOutESound : public CAudioOutUNIX
- {
- public:
- CAudioOutESound();
- virtual ~CAudioOutESound();
- protected:
-
- //-------------------------------------------------------
- //
- // Pure virtuals from CAudioOutUNIX.
- //
- //-------------------------------------------------------
- virtual INT16 _Imp_GetAudioFd(void);
- //This ones important.
- virtual UINT64 _GetBytesActualyPlayed(void) const;
- //Devic specific method to set the audio device characteristics. Sample rate,
- //bits-per-sample, etc.
- //Method *must* set member vars. m_unSampleRate and m_unNumChannels.
- virtual HX_RESULT _SetDeviceConfig( const HXAudioFormat* pFormat );
- //Device specific method to test wether or not the device supports the
- //give sample rate. If the device can not be opened, or otherwise tested,
- //it should return RA_AOE_DEVBUSY.
- virtual HX_RESULT _CheckSampleRate( ULONG32 ulSampleRate );
- virtual HX_RESULT _CheckFormat( const HXAudioFormat* pFormat );
- //Device specific method to write bytes out to the audiodevice and return a
- //count of bytes written.
- virtual HX_RESULT _WriteBytes( UCHAR* buffer, ULONG32 ulBuffLength, LONG32& lCount );
- //Device specific methods to open/close the mixer and audio devices.
- virtual HX_RESULT _OpenAudio();
- virtual HX_RESULT _CloseAudio();
- virtual HX_RESULT _OpenMixer();
- virtual HX_RESULT _CloseMixer();
- //Device specific method to reset device and return it to a state that it
- //can accept new sample rates, num channels, etc.
- virtual HX_RESULT _Reset();
- //Device specific method to get/set the devices current volume.
- virtual UINT16 _GetVolume() const;
- virtual HX_RESULT _SetVolume(UINT16 volume);
- //Device specific method to drain a device. This should play the remaining
- //bytes in the devices buffer and then return.
- virtual HX_RESULT _Drain();
- //Device specific method to return the amount of room available on the
- //audio device that can be written without blocking.
- virtual HX_RESULT _GetRoomOnDevice( ULONG32& ulBytes) const;
- //-----------------------------------------------
- // Some helper methods.
- //-----------------------------------------------
- virtual HX_RESULT _Pause();
- virtual HX_RESULT _Resume();
- BOOL _IsSelectable() const;
-
- BOOL _HardwarePauseSupported() const;
- private:
- esd_player_info_t* _GetPlayerInfo() const;
-
- //protect the unintentional copy ctor.
- CAudioOutESound( const CAudioOutESound& ); //Not implemented.
-
- int m_nDevID; //the FD for the audio stream
- int m_nESoundServerID; //the FD for the esd deamon.
- int m_nESoundPlayerID; //the player ID for our steam inside the server.
- ULONG32 m_ulTickCount;
- ULONG32 m_ulPausePosition;
- CHXString m_strRealplayerName; //A place to hold a per player unique name.
-
- //ESD Library symbols needed.
- DLLAccess* m_pESDLib;
- typedef int (*ESDPlayStreamType)(esd_format_t, int, const char *, const char *);
- typedef esd_info_t* (*ESDGetAllInfoType)( int );
- typedef void (*ESDFreeAllInfoType)( esd_info_t * );
- typedef int (*ESDCloseType)( int );
- typedef int (*ESDSetStreamPanType)( int, int, int, int );
- typedef void (*ESDAudioFlushType)( void );
- typedef int (*ESDOpenSoundType)( const char * );
-
-
- ESDPlayStreamType m_fpESDPlayStream;
- ESDGetAllInfoType m_fpESDGetAllInfo;
- ESDFreeAllInfoType m_fpESDFreeAllInfo;
- ESDCloseType m_fpESDClose;
- ESDSetStreamPanType m_fpESDSetStreamPan;
- ESDAudioFlushType m_fpESDAudioFlush;
- ESDOpenSoundType m_fpESDOpenSound;
-
- };
- #endif // _ADUESOUND_H_