NazaraEngine/include/Nazara/Audio/Music.hpp

83 lines
2.3 KiB
C++

// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Audio module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_AUDIO_MUSIC_HPP
#define NAZARA_AUDIO_MUSIC_HPP
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Audio/Enums.hpp>
#include <Nazara/Audio/SoundEmitter.hpp>
#include <Nazara/Audio/SoundStream.hpp>
#include <atomic>
#include <condition_variable>
#include <memory>
#include <mutex>
#include <thread>
#include <vector>
namespace Nz
{
class AudioBuffer;
class NAZARA_AUDIO_API Music : public Resource, public SoundEmitter
{
public:
Music();
Music(AudioDevice& device);
Music(const Music&) = delete;
Music(Music&&) noexcept = default;
~Music();
bool Create(std::shared_ptr<SoundStream> soundStream);
void Destroy();
void EnableLooping(bool loop) override;
UInt32 GetDuration() const override;
AudioFormat GetFormat() const;
UInt32 GetPlayingOffset() const override;
UInt64 GetSampleCount() const;
UInt32 GetSampleRate() const;
SoundStatus GetStatus() const override;
bool IsLooping() const override;
bool OpenFromFile(const std::filesystem::path& filePath, const SoundStreamParams& params = SoundStreamParams());
bool OpenFromMemory(const void* data, std::size_t size, const SoundStreamParams& params = SoundStreamParams());
bool OpenFromStream(Stream& stream, const SoundStreamParams& params = SoundStreamParams());
void Pause() override;
void Play() override;
void SetPlayingOffset(UInt32 offset);
void Stop() override;
Music& operator=(const Music&) = delete;
Music& operator=(Music&&) noexcept = default;
private:
AudioFormat m_audioFormat;
std::atomic_bool m_streaming;
std::atomic<UInt64> m_processedSamples;
mutable std::mutex m_bufferLock;
std::size_t m_bufferCount;
std::shared_ptr<SoundStream> m_stream;
std::thread m_thread;
std::vector<Int16> m_chunkSamples;
UInt32 m_sampleRate;
UInt64 m_streamOffset;
bool m_looping;
bool FillAndQueueBuffer(std::shared_ptr<AudioBuffer> buffer);
void MusicThread(std::condition_variable& cv, std::mutex& m, std::exception_ptr& err, bool startPaused);
void StartThread(bool startPaused);
void StopThread();
};
}
#endif // NAZARA_AUDIO_MUSIC_HPP