serenity/Userland/Applications/Piano/AudioPlayerLoop.h
kleines Filmröllchen 4941cffdd0 Piano+LibDSP: Move Track to LibDSP
This is a tangly commit and it fixes all the bugs that a plain move
would have caused (i.e. we need to touch other logic which had wrong
assumptions).
2022-07-22 19:35:41 +01:00

45 lines
1.3 KiB
C++

/*
* 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>
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:
void enqueue_audio();
void toggle_paused();
bool is_playing() { return m_should_play_audio; }
private:
AudioPlayerLoop(TrackManager& track_manager, bool& need_to_write_wav, Audio::WavWriter& wav_writer);
virtual void timer_event(Core::TimerEvent&) override;
TrackManager& m_track_manager;
FixedArray<DSP::Sample> m_buffer;
Optional<Audio::ResampleHelper<DSP::Sample>> m_resampler;
RefPtr<Audio::ConnectionToServer> m_audio_client;
bool m_should_play_audio = true;
bool& m_need_to_write_wav;
Audio::WavWriter& m_wav_writer;
};