metaforce/Runtime/Audio/CStaticAudioPlayer.hpp

76 lines
2.3 KiB
C++

#pragma once
#include <cstring>
#include <memory>
#include <optional>
#include <vector>
#include "Runtime/RetroTypes.hpp"
#include "Runtime/Audio/CAudioSys.hpp"
#include "g721.h"
#include "boo2/audiodev/IAudioVoice.hpp"
#include "boo2/audiodev/IAudioVoiceEngine.hpp"
namespace urde {
class IDvdRequest;
class CStaticAudioPlayer {
std::string x0_path;
u32 x10_rsfRem = -1;
u32 x14_rsfLength;
u32 x18_curSamp = 0;
u32 x1c_loopStartSamp;
u32 x20_loopEndSamp;
// u32 x24_ = 0;
// std::unique_ptr<u8[]> x28_dmaLeft;
// std::unique_ptr<u8[]> x30_dmaRight;
std::vector<std::shared_ptr<IDvdRequest>> x38_dvdRequests;
std::vector<std::unique_ptr<u8[]>> x48_buffers;
g72x_state x58_leftState;
g72x_state x8c_rightState;
std::optional<g72x_state> m_leftStateLoop;
std::optional<g72x_state> m_rightStateLoop;
u32 xc0_volume = 32768; // Out of 32768
static int16_t SampClamp(int32_t val) {
if (val < -32768)
val = -32768;
else if (val > 32767)
val = 32767;
return val;
}
struct AudioVoiceCallback : boo2::IAudioVoiceCallback {
CStaticAudioPlayer& m_parent;
void preSupplyAudio(boo2::IAudioVoice&, double) override {}
size_t supplyAudio(boo2::IAudioVoice& voice, size_t frames, int16_t* data) override {
if (m_parent.IsReady()) {
m_parent.x38_dvdRequests.clear();
m_parent.Decode(data, frames);
} else
memset(data, 0, 4 * frames);
return frames;
}
explicit AudioVoiceCallback(CStaticAudioPlayer& p) : m_parent(p) {}
} m_voiceCallback;
boo2::ObjToken<boo2::IAudioVoice> m_voice;
public:
CStaticAudioPlayer(boo2::IAudioVoiceEngine& engine, std::string_view path, int loopStart, int loopEnd);
CStaticAudioPlayer(std::string_view path, int loopStart, int loopEnd)
: CStaticAudioPlayer(*CAudioSys::GetVoiceEngine(), path, loopStart, loopEnd) {}
bool IsReady();
void DecodeMonoAndMix(s16* bufOut, u32 numSamples, u32 cur, u32 loopEndCur, u32 loopStartCur, int vol,
g72x_state& state, std::optional<g72x_state>& loopState) const;
void Decode(s16* bufOut, u32 numSamples);
void SetVolume(float vol) { xc0_volume = zeus::clamp(0.f, vol, 1.f) * 32768.f; }
void StartMixing() { m_voice->start(); }
void StopMixing() { m_voice->stop(); }
};
} // namespace urde