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/*
* Copyright (c) 2021, kleines Filmröllchen <filmroellchen@serenityos.org>
* Copyright (c) 2021, JJ Roberts-White <computerfido@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "Music.h"
#include <LibAudio/ConnectionToServer.h>
#include <LibAudio/Resampler.h>
#include <LibAudio/Sample.h>
#include <LibAudio/WavWriter.h>
#include <LibCore/Event.h>
#include <LibCore/Object.h>
#include <LibDSP/Music.h>
#include <LibThreading/MutexProtected.h>
#include <LibThreading/Thread.h>
class TrackManager;
// Wrapper class accepting custom events to advance the track playing and forward audio data to the system.
// This does not run on a separate thread, preventing IPC multithreading madness.
class AudioPlayerLoop final : public Core::Object {
C_OBJECT(AudioPlayerLoop)
public:
virtual ~AudioPlayerLoop() override;
void toggle_paused();
bool is_playing() const { return m_should_play_audio; }
private:
AudioPlayerLoop(TrackManager& track_manager, Atomic<bool>& need_to_write_wav, Atomic<int>& wav_percent_written, Threading::MutexProtected<Audio::WavWriter>& wav_writer);
intptr_t pipeline_thread_main();
ErrorOr<void> send_audio_to_server();
ErrorOr<void> write_wav_if_needed();
TrackManager& m_track_manager;
FixedArray<DSP::Sample> m_buffer;
Optional<Audio::ResampleHelper<DSP::Sample>> m_resampler;
RefPtr<Audio::ConnectionToServer> m_audio_client;
NonnullRefPtr<Threading::Thread> m_pipeline_thread;
Vector<Audio::Sample, Audio::AUDIO_BUFFER_SIZE> m_remaining_samples {};
Atomic<bool> m_should_play_audio { true };
Atomic<bool> m_exit_requested { false };
Atomic<bool>& m_need_to_write_wav;
Atomic<int>& m_wav_percent_written;
Threading::MutexProtected<Audio::WavWriter>& m_wav_writer;
};
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