60 lines
2.7 KiB
C++
60 lines
2.7 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Device Common Routines
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//
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//=====================================================================================//
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#ifndef SND_DEV_COMMON_H
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#define SND_DEV_COMMON_H
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#pragma once
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class CAudioDeviceBase : public IAudioDevice
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{
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public:
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virtual bool IsActive( void ) { return false; }
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virtual bool Init( void ) { return false; }
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virtual void Shutdown( void ) {}
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virtual void Pause( void ) {}
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virtual void UnPause( void ) {}
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virtual float MixDryVolume( void ) { return 0; }
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virtual bool Should3DMix( void ) { return m_bSurround; }
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virtual void StopAllSounds( void ) {}
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virtual int PaintBegin( float, int soundtime, int paintedtime ) { return 0; }
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virtual void PaintEnd( void ) {}
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virtual void SpatializeChannel( int volume[CCHANVOLUMES/2], int master_vol, const Vector& sourceDir, float gain, float mono );
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virtual void ApplyDSPEffects( int idsp, portable_samplepair_t *pbuffront, portable_samplepair_t *pbufrear, portable_samplepair_t *pbufcenter, int samplecount );
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virtual int GetOutputPosition( void ) { return 0; }
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virtual void ClearBuffer( void ) {}
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virtual void UpdateListener( const Vector& position, const Vector& forward, const Vector& right, const Vector& up ) {}
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virtual void MixBegin( int sampleCount );
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virtual void MixUpsample( int sampleCount, int filtertype );
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virtual void Mix8Mono( channel_t *pChannel, char *pData, int outputOffset, int inputOffset, fixedint rateScaleFix, int outCount, int timecompress );
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virtual void Mix8Stereo( channel_t *pChannel, char *pData, int outputOffset, int inputOffset, fixedint rateScaleFix, int outCount, int timecompress );
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virtual void Mix16Mono( channel_t *pChannel, short *pData, int outputOffset, int inputOffset, fixedint rateScaleFix, int outCount, int timecompress );
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virtual void Mix16Stereo( channel_t *pChannel, short *pData, int outputOffset, int inputOffset, fixedint rateScaleFix, int outCount, int timecompress );
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virtual void ChannelReset( int entnum, int channelIndex, float distanceMod ) {}
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virtual void TransferSamples( int end ) {}
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virtual const char *DeviceName( void ) { return NULL; }
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virtual int DeviceChannels( void ) { return 0; }
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virtual int DeviceSampleBits( void ) { return 0; }
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virtual int DeviceSampleBytes( void ) { return 0; }
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virtual int DeviceDmaSpeed( void ) { return 1; }
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virtual int DeviceSampleCount( void ) { return 0; }
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virtual bool IsSurround( void ) { return m_bSurround; }
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virtual bool IsSurroundCenter( void ) { return m_bSurroundCenter; }
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virtual bool IsHeadphone( void ) { return m_bHeadphone; }
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bool m_bSurround;
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bool m_bSurroundCenter;
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bool m_bHeadphone;
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};
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#endif // SND_DEV_COMMON_H
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