You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.6 KiB
75 lines
2.6 KiB
5 years ago
|
//========= Copyright Valve Corporation, All rights reserved. ============//
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
//
|
||
|
|
// $Workfile: $
|
||
|
|
// $Date: $
|
||
|
|
//
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// $Log: $
|
||
|
|
//
|
||
|
|
// $NoKeywords: $
|
||
|
|
//=============================================================================//
|
||
|
|
|
||
|
|
#ifndef SND_WAVE_MIXER_PRIVATE_H
|
||
|
|
#define SND_WAVE_MIXER_PRIVATE_H
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include "snd_audio_source.h"
|
||
|
|
#include "snd_wave_mixer.h"
|
||
|
|
#include "sound_private.h"
|
||
|
|
#include "snd_wave_source.h"
|
||
|
|
|
||
|
|
class IWaveData;
|
||
|
|
|
||
|
|
abstract_class CAudioMixerWave : public CAudioMixer
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
CAudioMixerWave( IWaveData *data );
|
||
|
|
virtual ~CAudioMixerWave( void );
|
||
|
|
|
||
|
|
int MixDataToDevice( IAudioDevice *pDevice, channel_t *pChannel, int sampleCount, int outputRate, int outputOffset );
|
||
|
|
int SkipSamples( channel_t *pChannel, int sampleCount, int outputRate, int outputOffset );
|
||
|
|
bool ShouldContinueMixing( void );
|
||
|
|
|
||
|
|
virtual void Mix( IAudioDevice *pDevice, channel_t *pChannel, void *pData, int outputOffset, int inputOffset, fixedint fracRate, int outCount, int timecompress ) = 0;
|
||
|
|
virtual int GetOutputData( void **pData, int sampleCount, char copyBuf[AUDIOSOURCE_COPYBUF_SIZE] );
|
||
|
|
|
||
|
|
virtual CAudioSource* GetSource( void );
|
||
|
|
virtual int GetSamplePosition( void );
|
||
|
|
virtual float ModifyPitch( float pitch );
|
||
|
|
virtual float GetVolumeScale( void );
|
||
|
|
|
||
|
|
// Move the current position to newPosition
|
||
|
|
virtual void SetSampleStart( int newPosition );
|
||
|
|
|
||
|
|
// End playback at newEndPosition
|
||
|
|
virtual void SetSampleEnd( int newEndPosition );
|
||
|
|
|
||
|
|
virtual void SetStartupDelaySamples( int delaySamples );
|
||
|
|
|
||
|
|
// private helper routines
|
||
|
|
|
||
|
|
char * LoadMixBuffer( channel_t *pChannel, int sample_load_request, int *psamples_loaded, char copyBuf[AUDIOSOURCE_COPYBUF_SIZE] );
|
||
|
|
int MixDataToDevice_( IAudioDevice *pDevice, channel_t *pChannel, int sampleCount, int outputRate, int outputOffset, bool bSkipAllSamples );
|
||
|
|
int GetSampleLoadRequest( double rate, int sampleCount, bool bInterpolated_pitch );
|
||
|
|
|
||
|
|
virtual bool IsReadyToMix();
|
||
|
|
virtual int GetPositionForSave() { return GetSamplePosition(); }
|
||
|
|
virtual void SetPositionFromSaved( int savedPosition ) { SetSampleStart(savedPosition); }
|
||
|
|
|
||
|
|
protected:
|
||
|
|
double m_fsample_index; // index of next sample to output
|
||
|
|
int m_sample_max_loaded; // count of total samples loaded - ie: the index of
|
||
|
|
// the next sample to be loaded.
|
||
|
|
int m_sample_loaded_index; // index of last sample loaded
|
||
|
|
|
||
|
|
IWaveData *m_pData;
|
||
|
|
double m_forcedEndSample;
|
||
|
|
bool m_finished;
|
||
|
|
int m_delaySamples;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#endif // SND_WAVE_MIXER_PRIVATE_H
|