mirror of https://github.com/AxioDL/boo.git
115 lines
3.5 KiB
C++
115 lines
3.5 KiB
C++
#ifndef BOO_AUDIOVOICE_HPP
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#define BOO_AUDIOVOICE_HPP
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#include <soxr.h>
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#include <list>
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#include "boo/audiodev/IAudioVoice.hpp"
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#include "AudioMatrix.hpp"
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namespace boo
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{
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class BaseAudioVoiceEngine;
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struct AudioVoiceEngineMixInfo;
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class IAudioMix;
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class AudioVoice : public IAudioVoice
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{
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friend class BaseAudioVoiceEngine;
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friend class AudioSubmix;
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protected:
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/* Mixer-engine relationships */
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BaseAudioVoiceEngine& m_root;
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IAudioMix& m_parent;
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std::list<AudioVoice*>::iterator m_parentIt;
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bool m_bound = false;
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void bindVoice(std::list<AudioVoice*>::iterator pIt)
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{
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m_bound = true;
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m_parentIt = pIt;
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}
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/* Callback (audio source) */
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IAudioVoiceCallback* m_cb;
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/* Sample-rate converter */
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soxr_t m_src = nullptr;
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double m_sampleRateIn;
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double m_sampleRateOut;
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bool m_dynamicRate;
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/* Running bool */
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bool m_running = false;
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/* Deferred sample-rate reset */
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bool m_resetSampleRate = false;
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double m_deferredSampleRate;
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virtual void _resetSampleRate(double sampleRate)=0;
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/* Deferred pitch ratio set */
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bool m_setPitchRatio = false;
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double m_pitchRatio = 1.0;
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bool m_slew = false;
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void _setPitchRatio(double ratio, bool slew);
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/* Mid-pump update */
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void _midUpdate();
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virtual size_t pumpAndMix(const AudioVoiceEngineMixInfo& mixInfo, size_t frames, int16_t* buf)=0;
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virtual size_t pumpAndMix(const AudioVoiceEngineMixInfo& mixInfo, size_t frames, int32_t* buf)=0;
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virtual size_t pumpAndMix(const AudioVoiceEngineMixInfo& mixInfo, size_t frames, float* buf)=0;
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AudioVoice(BaseAudioVoiceEngine& root, IAudioMix& parent, IAudioVoiceCallback* cb, bool dynamicRate);
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public:
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~AudioVoice();
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void resetSampleRate(double sampleRate);
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void setPitchRatio(double ratio, bool slew);
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void start();
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void stop();
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void unbindVoice();
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};
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class AudioVoiceMono : public AudioVoice
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{
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AudioMatrixMono m_matrix;
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void _resetSampleRate(double sampleRate);
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static size_t SRCCallback(AudioVoiceMono* ctx,
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int16_t** data, size_t requestedLen);
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size_t pumpAndMix(const AudioVoiceEngineMixInfo& mixInfo, size_t frames, int16_t* buf);
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size_t pumpAndMix(const AudioVoiceEngineMixInfo& mixInfo, size_t frames, int32_t* buf);
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size_t pumpAndMix(const AudioVoiceEngineMixInfo& mixInfo, size_t frames, float* buf);
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public:
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AudioVoiceMono(BaseAudioVoiceEngine& root, IAudioMix& parent, IAudioVoiceCallback* cb,
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double sampleRate, bool dynamicRate);
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void setDefaultMatrixCoefficients();
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void setMonoMatrixCoefficients(const float coefs[8]);
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void setStereoMatrixCoefficients(const float coefs[8][2]);
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};
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class AudioVoiceStereo : public AudioVoice
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{
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AudioMatrixStereo m_matrix;
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void _resetSampleRate(double sampleRate);
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static size_t SRCCallback(AudioVoiceStereo* ctx,
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int16_t** data, size_t requestedLen);
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size_t pumpAndMix(const AudioVoiceEngineMixInfo& mixInfo, size_t frames, int16_t* buf);
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size_t pumpAndMix(const AudioVoiceEngineMixInfo& mixInfo, size_t frames, int32_t* buf);
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size_t pumpAndMix(const AudioVoiceEngineMixInfo& mixInfo, size_t frames, float* buf);
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public:
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AudioVoiceStereo(BaseAudioVoiceEngine& root, IAudioMix& parent, IAudioVoiceCallback* cb,
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double sampleRate, bool dynamicRate);
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void setDefaultMatrixCoefficients();
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void setMonoMatrixCoefficients(const float coefs[8]);
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void setStereoMatrixCoefficients(const float coefs[8][2]);
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};
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}
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#endif // BOO_AUDIOVOICE_HPP
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