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serenity/Userland/Applications/SoundPlayer/Player.cpp
Max Trussell c8eab80b3d SoundPlayer: Sync startup loop and show playlist settings in GUI
This fix syncs up the AudioPlayer's internal state for showing
playlist information with the AudioPlayer's GUI. Before, if the
AudioPlayer was opened with a playlist file (.m3u or .m3u8) it would
automatically show the playlist information in the GUI and set the
loop mode to playlist, but the menu options would be unchecked. In
order to hide the playlist information, the menu option would then
have to be toggled twice -- once on and again off.
2021-12-24 00:05:35 -08:00

138 lines
3.5 KiB
C++

/*
* 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"
Player::Player(Audio::ClientConnection& 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_audio_client_connection.get_played_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;
samples_played += m_playback_manager.last_seek();
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(String const& path)
{
if (path.is_null())
return;
if (!Core::File::exists(path)) {
audio_load_error(path, "File does not exist");
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;
file_name_changed(path);
total_samples_changed(loader->total_samples());
m_playback_manager.set_loader(move(loader));
play();
}
bool Player::is_playlist(String const& path)
{
return (path.ends_with(".m3u", AK::CaseSensitivity::CaseInsensitive)
|| path.ends_with(".m3u8", 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_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::seek(int sample)
{
m_playback_manager.seek(sample);
}