cscg22-gearboy

CSCG 2022 Challenge 'Gearboy'
git clone https://git.sinitax.com/sinitax/cscg22-gearboy
Log | Files | Refs | sfeed.txt

Audio.h (1802B)

      1/*
      2 * Gearboy - Nintendo Game Boy Emulator
      3 * Copyright (C) 2012  Ignacio Sanchez
      4
      5 * This program is free software: you can redistribute it and/or modify
      6 * it under the terms of the GNU General Public License as published by
      7 * the Free Software Foundation, either version 3 of the License, or
      8 * any later version.
      9
     10 * This program is distributed in the hope that it will be useful,
     11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
     13 * GNU General Public License for more details.
     14
     15 * You should have received a copy of the GNU General Public License
     16 * along with this program.  If not, see http://www.gnu.org/licenses/
     17 *
     18 */
     19
     20#ifndef AUDIO_H
     21#define	AUDIO_H
     22
     23#include "definitions.h"
     24#include "audio/Multi_Buffer.h"
     25#include "audio/Gb_Apu.h"
     26
     27class Audio
     28{
     29public:
     30    Audio();
     31    ~Audio();
     32    void Init();
     33    void Reset(bool bCGB);
     34    void SetSampleRate(int rate);
     35    void SetVolume(float volume);
     36    u8 ReadAudioRegister(u16 address);
     37    void WriteAudioRegister(u16 address, u8 value);
     38    void Tick(unsigned int clockCycles);
     39    void EndFrame(s16* pSampleBuffer, int* pSampleCount);
     40    void SaveState(std::ostream& stream);
     41    void LoadState(std::istream& stream);
     42    Gb_Apu* GetApu();
     43
     44private:
     45    Gb_Apu* m_pApu;
     46    Stereo_Buffer* m_pBuffer;
     47    int m_ElapsedCycles;
     48    int m_SampleRate;
     49    blip_sample_t* m_pSampleBuffer;
     50    bool m_bCGB;
     51};
     52
     53inline void Audio::Tick(unsigned int clockCycles)
     54{
     55    m_ElapsedCycles += clockCycles;
     56}
     57
     58inline u8 Audio::ReadAudioRegister(u16 address)
     59{
     60    return m_pApu->read_register(m_ElapsedCycles, address);
     61}
     62
     63inline void Audio::WriteAudioRegister(u16 address, u8 value)
     64{
     65    m_pApu->write_register(m_ElapsedCycles, address, value);
     66}
     67
     68#endif	/* AUDIO_H */