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folium-app
GitHub Repository: folium-app/Folium
 Path: blob/a-new-beginning/Cherry/Core/include/Audio.h
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/*

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 * Gearcoleco - ColecoVision Emulator

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 * Copyright (C) 2021  Ignacio Sanchez

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 * This program is free software: you can redistribute it and/or modify

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 * it under the terms of the GNU General Public License as published by

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 * the Free Software Foundation, either version 3 of the License, or

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 * any later version.

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 * This program is distributed in the hope that it will be useful,

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 * but WITHOUT ANY WARRANTY; without even the implied warranty of

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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

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 * GNU General Public License for more details.

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 * You should have received a copy of the GNU General Public License

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 * along with this program.  If not, see http://www.gnu.org/licenses/

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 *

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 */

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#ifndef AUDIO_H

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#define	AUDIO_H

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#include "definitions.h"

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#include "audio/Multi_Buffer.h"

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#include "audio/Sms_Apu.h"

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#include "AY8910.h"

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#include "VgmRecorder.h"

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class Audio

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{

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public:

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    Audio();

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    ~Audio();

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    void Init();

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    void Reset(bool bPAL);

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    void Mute(bool mute);

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    void WriteAudioRegister(u8 value);

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    void SGMWrite(u8 value);

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    u8 SGMRead();

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    void SGMRegister(u8 reg);

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    void Tick(unsigned int clockCycles);

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    void EndFrame(s16* pSampleBuffer, int* pSampleCount);

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    void SaveState(std::ostream& stream);

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    void LoadState(std::istream& stream);

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    bool StartVgmRecording(const char* file_path, int clock_rate, bool is_pal);

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    void StopVgmRecording();

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    bool IsVgmRecording() const;

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private:

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    Sms_Apu* m_pApu;

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    Stereo_Buffer* m_pBuffer;

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    AY8910* m_pAY8910;

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    u64 m_ElapsedCycles;

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    int m_iSampleRate;

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    blip_sample_t* m_pSampleBuffer;

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    bool m_bPAL;

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    s16* m_pSGMBuffer;

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    bool m_bMute;

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    VgmRecorder m_VgmRecorder;

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    bool m_bVgmRecordingEnabled;

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    u8 m_AY8910Register;

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};

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inline void Audio::Tick(unsigned int clockCycles)

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{

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    m_ElapsedCycles += clockCycles;

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    m_pAY8910->Tick(clockCycles);

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}

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inline void Audio::WriteAudioRegister(u8 value)

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{

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    m_pApu->write_data((blip_time_t)m_ElapsedCycles, value);

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#ifndef GEARCOLECO_DISABLE_VGMRECORDER

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    if (m_bVgmRecordingEnabled)

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        m_VgmRecorder.WritePSG(value);

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#endif

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}

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inline void Audio::SGMWrite(u8 value)

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{

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    m_pAY8910->WriteRegister(value);

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#ifndef GEARCOLECO_DISABLE_VGMRECORDER

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    if (m_bVgmRecordingEnabled)

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        m_VgmRecorder.WriteAY8910(m_AY8910Register, value);

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#endif

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}

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inline u8 Audio::SGMRead()

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{

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    return m_pAY8910->ReadRegister();

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}

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inline void Audio::SGMRegister(u8 reg)

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{

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    m_pAY8910->SelectRegister(reg);

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    m_AY8910Register = reg;

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}

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#endif	/* AUDIO_H */

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