mirror of https://github.com/AxioDL/boo.git
135 lines
4.3 KiB
C++
135 lines
4.3 KiB
C++
#pragma once
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#include <soxr.h>
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#include <mutex>
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#include <unordered_map>
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#include "boo/audiodev/IAudioVoice.hpp"
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#include "AudioMatrix.hpp"
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#include "AudioVoiceEngine.hpp"
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#include "Common.hpp"
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struct AudioUnitVoiceEngine;
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struct VSTVoiceEngine;
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struct WAVOutVoiceEngine;
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namespace boo {
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class BaseAudioVoiceEngine;
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struct AudioVoiceEngineMixInfo;
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struct IAudioSubmix;
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class AudioVoice : public ListNode<AudioVoice, BaseAudioVoiceEngine*, IAudioVoice> {
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friend class BaseAudioVoiceEngine;
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friend class AudioSubmix;
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friend struct WASAPIAudioVoiceEngine;
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friend struct ::AudioUnitVoiceEngine;
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friend struct ::VSTVoiceEngine;
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friend struct ::WAVOutVoiceEngine;
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protected:
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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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double m_sampleRatio = 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 pumpAndMix16(size_t frames) = 0;
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virtual size_t pumpAndMix32(size_t frames) = 0;
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virtual size_t pumpAndMixFlt(size_t frames) = 0;
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template <typename T>
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size_t pumpAndMix(size_t frames);
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AudioVoice(BaseAudioVoiceEngine& root, IAudioVoiceCallback* cb, bool dynamicRate);
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public:
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static AudioVoice*& _getHeadPtr(BaseAudioVoiceEngine* head);
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static std::unique_lock<std::recursive_mutex> _getHeadLock(BaseAudioVoiceEngine* head);
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~AudioVoice() override;
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void resetSampleRate(double sampleRate) override;
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void setPitchRatio(double ratio, bool slew) override;
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void start() override;
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void stop() override;
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double getSampleRateIn() const { return m_sampleRateIn; }
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double getSampleRateOut() const { return m_sampleRateOut; }
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};
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template <>
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inline size_t AudioVoice::pumpAndMix<int16_t>(size_t frames) {
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return pumpAndMix16(frames);
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}
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template <>
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inline size_t AudioVoice::pumpAndMix<int32_t>(size_t frames) {
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return pumpAndMix32(frames);
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}
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template <>
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inline size_t AudioVoice::pumpAndMix<float>(size_t frames) {
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return pumpAndMixFlt(frames);
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}
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class AudioVoiceMono : public AudioVoice {
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std::unordered_map<IAudioSubmix*, AudioMatrixMono> m_sendMatrices;
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bool m_silentOut = false;
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void _resetSampleRate(double sampleRate) override;
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static size_t SRCCallback(AudioVoiceMono* ctx, int16_t** data, size_t requestedLen);
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bool isSilent() const;
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template <typename T>
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size_t _pumpAndMix(size_t frames);
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size_t pumpAndMix16(size_t frames) override { return _pumpAndMix<int16_t>(frames); }
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size_t pumpAndMix32(size_t frames) override { return _pumpAndMix<int32_t>(frames); }
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size_t pumpAndMixFlt(size_t frames) override { return _pumpAndMix<float>(frames); }
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public:
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AudioVoiceMono(BaseAudioVoiceEngine& root, IAudioVoiceCallback* cb, double sampleRate, bool dynamicRate);
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void resetChannelLevels() override;
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void setMonoChannelLevels(IAudioSubmix* submix, const float coefs[8], bool slew) override;
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void setStereoChannelLevels(IAudioSubmix* submix, const float coefs[8][2], bool slew) override;
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};
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class AudioVoiceStereo : public AudioVoice {
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std::unordered_map<IAudioSubmix*, AudioMatrixStereo> m_sendMatrices;
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bool m_silentOut = false;
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void _resetSampleRate(double sampleRate) override;
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static size_t SRCCallback(AudioVoiceStereo* ctx, int16_t** data, size_t requestedLen);
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bool isSilent() const;
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template <typename T>
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size_t _pumpAndMix(size_t frames);
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size_t pumpAndMix16(size_t frames) override { return _pumpAndMix<int16_t>(frames); }
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size_t pumpAndMix32(size_t frames) override { return _pumpAndMix<int32_t>(frames); }
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size_t pumpAndMixFlt(size_t frames) override { return _pumpAndMix<float>(frames); }
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public:
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AudioVoiceStereo(BaseAudioVoiceEngine& root, IAudioVoiceCallback* cb, double sampleRate, bool dynamicRate);
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void resetChannelLevels() override;
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void setMonoChannelLevels(IAudioSubmix* submix, const float coefs[8], bool slew) override;
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void setStereoChannelLevels(IAudioSubmix* submix, const float coefs[8][2], bool slew) override;
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};
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} // namespace boo
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