audlinux_esound.h
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: audlinux_esound.h,v 1.2.50.1 2004/07/09 02:02:00 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
- *
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- * Source License (the "RPSL") available at
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- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
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- * will apply. You may also obtain the license terms directly from
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- * ***** 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_