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serenity/Userland/Applications/SoundPlayer/main.cpp
Leandro Pereira 314b8a374b SoundPlayer: Implement playlist shuffle mode
The shuffling algorithm uses a naïve bloom filter to provide random
uniformity, avoiding items that were recently played.  With 32 bits,
double hashing, and an error rate of ~10%, this bloom filter should
be able to hold around ~16 keys, which should be sufficient to give the
illusion of fairness to the shuffling algorithm.

This avoids having to shuffle the playlist itself (user might have
spent quite a bit of time to sort them, so it's not a good idea to mess
with it), or having to create a proxy model that shuffles (that could
potentially use quite a bit of memory).
2021-10-25 23:37:18 +02:00

137 lines
4.9 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "BarsVisualizationWidget.h"
#include "NoVisualizationWidget.h"
#include "Player.h"
#include "SampleWidget.h"
#include "SoundPlayerWidgetAdvancedView.h"
#include <LibAudio/ClientConnection.h>
#include <LibGUI/Action.h>
#include <LibGUI/ActionGroup.h>
#include <LibGUI/Application.h>
#include <LibGUI/FilePicker.h>
#include <LibGUI/Menu.h>
#include <LibGUI/Menubar.h>
#include <LibGUI/Window.h>
#include <LibGfx/CharacterBitmap.h>
#include <stdio.h>
int main(int argc, char** argv)
{
if (pledge("stdio recvfd sendfd rpath thread unix", nullptr) < 0) {
perror("pledge");
return 1;
}
auto app = GUI::Application::construct(argc, argv);
auto audio_client = Audio::ClientConnection::construct();
if (pledge("stdio recvfd sendfd rpath thread", nullptr) < 0) {
perror("pledge");
return 1;
}
auto app_icon = GUI::Icon::default_icon("app-sound-player");
auto window = GUI::Window::construct();
window->set_title("Sound Player");
window->set_icon(app_icon.bitmap_for_size(16));
String path = argv[1];
// start in advanced view by default
Player* player = &window->set_main_widget<SoundPlayerWidgetAdvancedView>(window, audio_client);
if (argc > 1) {
player->play_file_path(path);
}
auto& file_menu = window->add_menu("&File");
file_menu.add_action(GUI::CommonActions::make_open_action([&](auto&) {
Optional<String> path = GUI::FilePicker::get_open_filepath(window, "Open sound file...");
if (path.has_value()) {
player->play_file_path(path.value());
}
}));
file_menu.add_separator();
file_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) {
app->quit();
}));
auto& playback_menu = window->add_menu("&Playback");
GUI::ActionGroup loop_actions;
loop_actions.set_exclusive(true);
auto loop_none = GUI::Action::create_checkable("&No Loop", [&](auto&) {
player->set_loop_mode(Player::LoopMode::None);
});
loop_none->set_checked(true);
loop_actions.add_action(loop_none);
playback_menu.add_action(loop_none);
auto loop_file = GUI::Action::create_checkable("Loop &File", { Mod_Ctrl, Key_F }, [&](auto&) {
player->set_loop_mode(Player::LoopMode::File);
});
loop_actions.add_action(loop_file);
playback_menu.add_action(loop_file);
auto loop_playlist = GUI::Action::create_checkable("Loop &Playlist", { Mod_Ctrl, Key_P }, [&](auto&) {
player->set_loop_mode(Player::LoopMode::Playlist);
});
loop_actions.add_action(loop_playlist);
playback_menu.add_action(loop_playlist);
auto linear_volume_slider = GUI::Action::create_checkable("&Nonlinear Volume Slider", [&](auto& action) {
static_cast<SoundPlayerWidgetAdvancedView*>(player)->set_nonlinear_volume_slider(action.is_checked());
});
playback_menu.add_separator();
playback_menu.add_action(linear_volume_slider);
playback_menu.add_separator();
auto playlist_toggle = GUI::Action::create_checkable("&Show Playlist", [&](auto& action) {
static_cast<SoundPlayerWidgetAdvancedView*>(player)->set_playlist_visible(action.is_checked());
});
if (path.ends_with(".m3u") || path.ends_with(".m3u8"))
playlist_toggle->set_checked(true);
playback_menu.add_action(playlist_toggle);
auto shuffle_mode = GUI::Action::create_checkable("S&huffle Playlist", [&](auto& action) {
if (action.is_checked())
player->set_shuffle_mode(Player::ShuffleMode::Shuffling);
else
player->set_shuffle_mode(Player::ShuffleMode::None);
});
playback_menu.add_action(shuffle_mode);
auto& visualization_menu = window->add_menu("&Visualization");
GUI::ActionGroup visualization_actions;
visualization_actions.set_exclusive(true);
auto bars = GUI::Action::create_checkable("&Bars", [&](auto&) {
static_cast<SoundPlayerWidgetAdvancedView*>(player)->set_visualization<BarsVisualizationWidget>();
});
bars->set_checked(true);
visualization_menu.add_action(bars);
visualization_actions.add_action(bars);
auto samples = GUI::Action::create_checkable("&Samples", [&](auto&) {
static_cast<SoundPlayerWidgetAdvancedView*>(player)->set_visualization<SampleWidget>();
});
visualization_menu.add_action(samples);
visualization_actions.add_action(samples);
auto none = GUI::Action::create_checkable("&None", [&](auto&) {
static_cast<SoundPlayerWidgetAdvancedView*>(player)->set_visualization<NoVisualizationWidget>();
});
visualization_menu.add_action(none);
visualization_actions.add_action(none);
auto& help_menu = window->add_menu("&Help");
help_menu.add_action(GUI::CommonActions::make_about_action("Sound Player", app_icon, window));
window->show();
return app->exec();
}