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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2019-2020, William McPherson <willmcpherson2@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "AudioEngine.h"
#include "MainWidget.h"
#include <LibAudio/ClientConnection.h>
#include <LibAudio/WavWriter.h>
#include <LibCore/EventLoop.h>
#include <LibCore/File.h>
#include <LibGUI/AboutDialog.h>
#include <LibGUI/Action.h>
#include <LibGUI/Application.h>
#include <LibGUI/FilePicker.h>
#include <LibGUI/Menu.h>
#include <LibGUI/MenuBar.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/Window.h>
#include <LibGfx/Bitmap.h>
#include <LibThread/Thread.h>
int main(int argc, char** argv)
{
GUI::Application app(argc, argv);
auto audio_client = Audio::ClientConnection::construct();
audio_client->handshake();
AudioEngine audio_engine;
auto window = GUI::Window::construct();
auto& main_widget = window->set_main_widget<MainWidget>(audio_engine);
window->set_title("Piano");
window->set_rect(90, 90, 840, 600);
window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-piano.png"));
window->show();
Audio::WavWriter wav_writer;
Optional<String> save_path;
bool need_to_write_wav = false;
LibThread::Thread audio_thread([&] {
auto audio = Core::File::construct("/dev/audio");
if (!audio->open(Core::IODevice::WriteOnly)) {
dbgprintf("Can't open audio device: %s", audio->error_string());
return 1;
}
FixedArray<Sample> buffer(sample_count);
for (;;) {
audio_engine.fill_buffer(buffer);
audio->write(reinterpret_cast<u8*>(buffer.data()), buffer_size);
Core::EventLoop::current().post_event(main_widget, make<Core::CustomEvent>(0));
Core::EventLoop::wake();
if (need_to_write_wav) {
need_to_write_wav = false;
audio_engine.reset();
audio_engine.set_should_loop(false);
do {
audio_engine.fill_buffer(buffer);
wav_writer.write_samples(reinterpret_cast<u8*>(buffer.data()), buffer_size);
} while (audio_engine.time());
audio_engine.reset();
audio_engine.set_should_loop(true);
wav_writer.finalize();
}
}
});
audio_thread.start();
auto menubar = make<GUI::MenuBar>();
auto app_menu = GUI::Menu::construct("Piano");
app_menu->add_action(GUI::CommonActions::make_quit_action([](auto&) {
GUI::Application::the().quit(0);
return;
}));
app_menu->add_action(GUI::Action::create("Export", { Mod_Ctrl, Key_E }, [&](const GUI::Action&) {
save_path = GUI::FilePicker::get_save_filepath("Untitled", "wav");
if (!save_path.has_value())
return;
wav_writer.set_file(save_path.value());
if (wav_writer.has_error()) {
GUI::MessageBox::show(String::format("Failed to export WAV file: %s", wav_writer.error_string()), "Error", GUI::MessageBox::Type::Error);
wav_writer.clear_error();
return;
}
need_to_write_wav = true;
}));
menubar->add_menu(move(app_menu));
auto help_menu = GUI::Menu::construct("Help");
help_menu->add_action(GUI::Action::create("About", [&](const GUI::Action&) {
GUI::AboutDialog::show("Piano", Gfx::Bitmap::load_from_file("/res/icons/32x32/app-piano.png"), window);
}));
menubar->add_menu(move(help_menu));
app.set_menubar(move(menubar));
return app.exec();
}
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