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/*
* Copyright (c) 2021, Cesar Torres <shortanemoia@protonmail.com>
* Copyright (c) 2021, Leandro A. F. Pereira <leandro@tia.mat.br>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "Player.h"
#include <LibAudio/FlacLoader.h>
#include <LibFileSystem/FileSystem.h>
Player::Player(Audio::ConnectionToServer& audio_client_connection)
: m_audio_client_connection(audio_client_connection)
, m_playback_manager(audio_client_connection)
{
m_playback_manager.on_update = [&]() {
auto samples_played = m_playback_manager.loader()->loaded_samples();
auto sample_rate = m_playback_manager.loader()->sample_rate();
float source_to_dest_ratio = static_cast<float>(sample_rate) / m_playback_manager.device_sample_rate();
samples_played *= source_to_dest_ratio;
auto played_seconds = samples_played / sample_rate;
time_elapsed(played_seconds);
sound_buffer_played(m_playback_manager.current_buffer(), m_playback_manager.device_sample_rate(), samples_played);
};
m_playback_manager.on_finished_playing = [&]() {
set_play_state(PlayState::Stopped);
switch (loop_mode()) {
case LoopMode::File:
play_file_path(loaded_filename());
return;
case LoopMode::Playlist:
play_file_path(m_playlist.next());
return;
case LoopMode::None:
return;
}
};
}
void Player::play_file_path(DeprecatedString const& path)
{
if (path.is_null())
return;
if (!FileSystem::exists(path)) {
audio_load_error(path, "File does not exist"sv);
return;
}
if (is_playlist(path)) {
playlist_loaded(path, m_playlist.load(path));
return;
}
auto maybe_loader = Audio::Loader::create(path);
if (maybe_loader.is_error()) {
audio_load_error(path, maybe_loader.error().description);
return;
}
auto loader = maybe_loader.value();
m_loaded_filename = path;
// TODO: The combination of sample count, sample rate, and sample data should be properly abstracted for the source and the playback device.
total_samples_changed(loader->total_samples() * (static_cast<float>(loader->sample_rate()) / m_playback_manager.device_sample_rate()));
m_playback_manager.set_loader(move(loader));
file_name_changed(path);
play();
}
bool Player::is_playlist(DeprecatedString const& path)
{
return (path.ends_with(".m3u"sv, AK::CaseSensitivity::CaseInsensitive)
|| path.ends_with(".m3u8"sv, AK::CaseSensitivity::CaseInsensitive));
}
void Player::set_play_state(PlayState state)
{
if (m_play_state != state) {
m_play_state = state;
play_state_changed(state);
}
}
void Player::set_loop_mode(LoopMode mode)
{
if (m_loop_mode != mode) {
m_loop_mode = mode;
m_playlist.set_looping(mode == LoopMode::Playlist);
loop_mode_changed(mode);
}
}
void Player::set_volume(double volume)
{
m_volume = clamp(volume, 0, 1.5);
m_audio_client_connection.set_self_volume(m_volume);
volume_changed(m_volume);
}
void Player::set_mute(bool muted)
{
if (m_muted != muted) {
m_muted = muted;
m_audio_client_connection.set_self_muted(muted);
mute_changed(muted);
}
}
void Player::set_shuffle_mode(ShuffleMode mode)
{
if (m_shuffle_mode != mode) {
m_shuffle_mode = mode;
m_playlist.set_shuffling(mode == ShuffleMode::Shuffling);
shuffle_mode_changed(mode);
}
}
void Player::play()
{
m_playback_manager.play();
set_play_state(PlayState::Playing);
}
void Player::pause()
{
m_playback_manager.pause();
set_play_state(PlayState::Paused);
}
void Player::toggle_pause()
{
bool paused = m_playback_manager.toggle_pause();
set_play_state(paused ? PlayState::Paused : PlayState::Playing);
}
void Player::stop()
{
m_playback_manager.stop();
set_play_state(PlayState::Stopped);
}
void Player::mute()
{
set_mute(true);
}
void Player::toggle_mute()
{
set_mute(!m_muted);
}
void Player::seek(int sample)
{
sample *= (m_playback_manager.device_sample_rate() / static_cast<float>(m_playback_manager.loader()->sample_rate()));
m_playback_manager.seek(sample);
}
Vector<Audio::PictureData> const& Player::pictures() const
{
return m_playback_manager.loader()->pictures();
}
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