mirror of
https://github.com/nillerusr/source-engine.git
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104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $Workfile: $
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// $Date: $
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// $NoKeywords: $
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//===========================================================================//
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#ifndef SND_WAVE_MIXER_PRIVATE_H
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#define SND_WAVE_MIXER_PRIVATE_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "soundsystem/snd_audio_source.h"
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#include "soundsystem/snd_device.h"
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#include "snd_wave_mixer.h"
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//-----------------------------------------------------------------------------
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// Purpose: Linear iterator over source data.
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// Keeps track of position in source, and maintains necessary buffers
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//-----------------------------------------------------------------------------
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class CWaveData
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{
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public:
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virtual ~CWaveData( void ) {}
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virtual CAudioSourceWave &Source( void ) = 0;
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virtual int ReadSourceData( void **pData, int sampleIndex, int sampleCount, bool forward = true ) = 0;
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};
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class CAudioMixerWave : public CAudioMixer
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{
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public:
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CAudioMixerWave( CWaveData *data );
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virtual ~CAudioMixerWave( void );
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virtual bool MixDataToDevice( IAudioDevice *pDevice, channel_t *pChannel, int startSample, int sampleCount, int outputRate, bool forward = true );
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virtual void IncrementSamples( channel_t *pChannel, int startSample, int sampleCount,int outputRate, bool forward = true );
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virtual bool SkipSamples( IAudioDevice *pDevice, channel_t *pChannel, int startSample, int sampleCount,int outputRate, bool forward = true );
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virtual void Mix( IAudioDevice *pDevice,
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channel_t *pChannel,
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void *pData,
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int outputOffset,
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int inputOffset,
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fixedint fracRate,
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int outCount,
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int timecompress,
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bool forward = true ) = 0;
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virtual int GetOutputData( void **pData, int samplePosition, int sampleCount, bool forward = true );
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virtual CAudioSource *GetSource( void );
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virtual int GetSamplePosition( void );
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virtual int GetScubPosition( void );
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virtual bool SetSamplePosition( int position, bool scrubbing = false );
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virtual void SetLoopPosition( int position );
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virtual int GetStartPosition( void );
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virtual bool GetActive( void );
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virtual void SetActive( bool active );
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virtual void SetModelIndex( int index );
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virtual int GetModelIndex( void ) const;
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virtual void SetDirection( bool forward );
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virtual bool GetDirection( void ) const;
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virtual void SetAutoDelete( bool autodelete );
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virtual bool GetAutoDelete( void ) const;
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virtual void SetVolume( float volume );
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virtual channel_t *GetChannel();
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protected:
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int m_sample;
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int m_absoluteSample;
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int m_scubSample;
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int m_startpos;
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int m_loop;
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int m_fracOffset;
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CWaveData *m_pData;
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int m_absoluteStartPos;
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bool m_bActive;
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// Associated playback model in faceposer
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int m_nModelIndex;
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bool m_bForward;
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bool m_bAutoDelete;
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channel_t *m_pChannel;
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};
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#endif // SND_WAVE_MIXER_PRIVATE_H
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