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74 lines
2.6 KiB
74 lines
2.6 KiB
//========= 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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// |
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//----------------------------------------------------------------------------- |
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// $Log: $ |
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// |
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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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#pragma once |
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#include "snd_audio_source.h" |
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#include "snd_wave_mixer.h" |
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#include "sound_private.h" |
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#include "snd_wave_source.h" |
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class IWaveData; |
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abstract_class CAudioMixerWave : public CAudioMixer |
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{ |
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public: |
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CAudioMixerWave( IWaveData *data ); |
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virtual ~CAudioMixerWave( void ); |
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int MixDataToDevice( IAudioDevice *pDevice, channel_t *pChannel, int sampleCount, int outputRate, int outputOffset ); |
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int SkipSamples( channel_t *pChannel, int sampleCount, int outputRate, int outputOffset ); |
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bool ShouldContinueMixing( void ); |
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virtual void Mix( IAudioDevice *pDevice, channel_t *pChannel, void *pData, int outputOffset, int inputOffset, fixedint fracRate, int outCount, int timecompress ) = 0; |
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virtual int GetOutputData( void **pData, int sampleCount, char copyBuf[AUDIOSOURCE_COPYBUF_SIZE] ); |
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virtual CAudioSource* GetSource( void ); |
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virtual int GetSamplePosition( void ); |
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virtual float ModifyPitch( float pitch ); |
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virtual float GetVolumeScale( void ); |
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// Move the current position to newPosition |
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virtual void SetSampleStart( int newPosition ); |
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// End playback at newEndPosition |
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virtual void SetSampleEnd( int newEndPosition ); |
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virtual void SetStartupDelaySamples( int delaySamples ); |
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// private helper routines |
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char * LoadMixBuffer( channel_t *pChannel, int sample_load_request, int *psamples_loaded, char copyBuf[AUDIOSOURCE_COPYBUF_SIZE] ); |
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int MixDataToDevice_( IAudioDevice *pDevice, channel_t *pChannel, int sampleCount, int outputRate, int outputOffset, bool bSkipAllSamples ); |
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int GetSampleLoadRequest( double rate, int sampleCount, bool bInterpolated_pitch ); |
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virtual bool IsReadyToMix(); |
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virtual int GetPositionForSave() { return GetSamplePosition(); } |
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virtual void SetPositionFromSaved( int savedPosition ) { SetSampleStart(savedPosition); } |
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protected: |
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double m_fsample_index; // index of next sample to output |
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int m_sample_max_loaded; // count of total samples loaded - ie: the index of |
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// the next sample to be loaded. |
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int m_sample_loaded_index; // index of last sample loaded |
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IWaveData *m_pData; |
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double m_forcedEndSample; |
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bool m_finished; |
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int m_delaySamples; |
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}; |
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#endif // SND_WAVE_MIXER_PRIVATE_H
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