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SoundPlayer: Add playlist supprt
And a M3U(8) parser
This commit is contained in:
Cesar Torres
Andreas Kling
parent
e4d6a56a28
commit
2e28b8ebcc
Notes:
sideshowbarker
2024-07-18 21:02:41 +09:00
Author: https://github.com/ngc6302h
Commit: 2e28b8ebcc
Pull-request: https://github.com/SerenityOS/serenity/pull/5878
Reviewed-by: https://github.com/Dexesttp
Reviewed-by: https://github.com/RealKC
Reviewed-by: https://github.com/alimpfard
10 changed files with 586 additions and 57 deletions
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@ -26,13 +26,14 @@
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#include "SoundPlayerWidgetAdvancedView.h"
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#include "BarsVisualizationWidget.h"
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#include "Common.h"
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#include "M3UParser.h"
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#include "PlaybackManager.h"
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#include "SoundPlayerWidget.h"
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#include <AK/LexicalPath.h>
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#include <AK/SIMD.h>
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#include <LibGUI/Action.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Button.h>
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#include <LibGUI/DragOperation.h>
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#include <LibGUI/Label.h>
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#include <LibGUI/MessageBox.h>
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#include <LibGUI/Slider.h>
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@ -46,11 +47,16 @@ SoundPlayerWidgetAdvancedView::SoundPlayerWidgetAdvancedView(GUI::Window& window
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, m_window(window)
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{
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window.resize(455, 350);
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window.set_minimum_size(440, 130);
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window.set_minimum_size(600, 130);
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window.set_resizable(true);
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set_fill_with_background_color(true);
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set_layout<GUI::VerticalBoxLayout>();
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m_splitter = add<GUI::HorizontalSplitter>();
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m_player_view = m_splitter->add<GUI::Widget>();
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m_playlist_model = adopt(*new PlaylistModel());
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m_player_view->set_layout<GUI::VerticalBoxLayout>();
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m_play_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/play.png");
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m_pause_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/pause.png");
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@ -58,9 +64,9 @@ SoundPlayerWidgetAdvancedView::SoundPlayerWidgetAdvancedView(GUI::Window& window
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m_back_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/go-back.png");
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m_next_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/go-forward.png");
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m_visualization = add<BarsVisualizationWidget>();
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m_visualization = m_player_view->add<BarsVisualizationWidget>();
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m_playback_progress_slider = add<Slider>(Orientation::Horizontal);
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m_playback_progress_slider = m_player_view->add<AutoSlider>(Orientation::Horizontal);
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m_playback_progress_slider->set_fixed_height(20);
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m_playback_progress_slider->set_min(0);
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m_playback_progress_slider->set_max(this->manager().total_length() * 44100); //this value should be set when we load a new file
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@ -68,8 +74,7 @@ SoundPlayerWidgetAdvancedView::SoundPlayerWidgetAdvancedView(GUI::Window& window
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this->manager().seek(value);
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};
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auto& toolbar_container = add<GUI::ToolBarContainer>();
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auto& toolbar_container = m_player_view->add<GUI::ToolBarContainer>();
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auto& menubar = toolbar_container.add<GUI::ToolBar>();
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m_play_button = menubar.add<GUI::Button>();
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@ -99,16 +104,35 @@ SoundPlayerWidgetAdvancedView::SoundPlayerWidgetAdvancedView(GUI::Window& window
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// filler_label
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menubar.add<GUI::Label>();
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m_back_button = menubar.add<GUI::Button>();
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m_back_button->set_fixed_width(50);
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m_back_button->set_icon(*m_back_icon);
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m_back_button->set_enabled(has_loaded_file());
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m_back_button->on_click = [&](unsigned) {
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if (!m_playlist_model.is_null()) {
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auto it = m_playlist_model->items().find_if([&](const M3UEntry& e) { return e.path == loaded_filename(); });
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if (it.index() == 0) {
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open_file(m_playlist_model->items().at(m_playlist_model->items().size() - 1).path);
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} else
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open_file((it - 1)->path);
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play();
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}
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};
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m_next_button = menubar.add<GUI::Button>();
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m_next_button->set_fixed_width(50);
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m_next_button->set_icon(*m_next_icon);
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m_next_button->set_enabled(has_loaded_file());
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m_next_button->on_click = [&](unsigned) {
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if (!m_playlist_model.is_null()) {
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auto it = m_playlist_model->items().find_if([&](const M3UEntry& e) { return e.path == loaded_filename(); });
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if (it.index() + 1 == m_playlist_model->items().size()) {
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open_file(m_playlist_model->items().at(0).path);
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} else
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open_file((it + 1)->path);
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play();
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}
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};
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m_volume_label = &menubar.add<GUI::Label>();
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m_volume_label->set_fixed_width(30);
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@ -137,30 +161,46 @@ SoundPlayerWidgetAdvancedView::SoundPlayerWidgetAdvancedView(GUI::Window& window
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m_playback_progress_slider->set_value(samples_played);
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dynamic_cast<Visualization*>(m_visualization.ptr())->set_buffer(this->manager().current_buffer());
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dynamic_cast<Visualization*>(m_visualization.ptr())->set_samplerate(loaded_file_samplerate());
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};
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this->manager().on_load_sample_buffer = [&](Audio::Buffer& buffer) {
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if (volume() == 1.)
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manager().on_load_sample_buffer = [&](Audio::Buffer&) {
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//TODO: Implement an equalizer
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return;
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};
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manager().on_finished_playing = [&] {
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m_play_button->set_icon(*m_play_icon);
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if (looping()) {
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open_file(loaded_filename());
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return;
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auto sample_count = buffer.sample_count();
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if (sample_count % 4 == 0) {
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const int total_iter = sample_count / (sizeof(AK::SIMD::f64x4) / sizeof(double) / 2);
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AK::SIMD::f64x4* sample_ptr = const_cast<AK::SIMD::f64x4*>(reinterpret_cast<const AK::SIMD::f64x4*>((buffer.data())));
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for (int i = 0; i < total_iter; ++i) {
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sample_ptr[i] = sample_ptr[i] * volume();
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}
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} else {
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const int total_iter = sample_count / (sizeof(AK::SIMD::f64x2) / sizeof(double) / 2);
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AK::SIMD::f64x2* sample_ptr = const_cast<AK::SIMD::f64x2*>(reinterpret_cast<const AK::SIMD::f64x2*>((buffer.data())));
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for (int i = 0; i < total_iter; ++i) {
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sample_ptr[i] = sample_ptr[i] * volume();
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}
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}
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if (!m_playlist_model.is_null() && !m_playlist_model->items().is_empty()) {
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auto it = m_playlist_model->items().find_if([&](const M3UEntry& e) { return e.path == loaded_filename(); });
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if (it.index() + 1 == m_playlist_model->items().size()) {
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if (looping_playlist()) {
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open_file(m_playlist_model->items().at(0).path);
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return;
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}
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} else
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open_file((it + 1)->path);
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}
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};
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}
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void SoundPlayerWidgetAdvancedView::open_file(StringView path)
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{
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if (!Core::File::exists(path)) {
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GUI::MessageBox::show(window(), String::formatted("File \"{}\" does not exist", path), "Error opening file", GUI::MessageBox::Type::Error);
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return;
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}
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if (path.ends_with(".m3u", AK::CaseSensitivity::CaseInsensitive) || path.ends_with(".m3u8", AK::CaseSensitivity::CaseInsensitive)) {
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read_playlist(path);
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return;
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}
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NonnullRefPtr<Audio::Loader> loader = Audio::Loader::create(path);
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if (loader->has_error() || !loader->sample_rate()) {
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const String error_string = loader->error_string();
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@ -208,3 +248,76 @@ void SoundPlayerWidgetAdvancedView::play()
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set_paused(false);
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set_stopped(false);
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}
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void SoundPlayerWidgetAdvancedView::read_playlist(StringView path)
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{
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auto parser = M3UParser::from_file(path);
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auto items = parser->parse(true);
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VERIFY(items->size() > 0);
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try_fill_missing_info(*items, path);
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for (auto& item : *items)
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m_playlist_model->items().append(item);
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set_playlist_visible(true);
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m_playlist_model->update();
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open_file(items->at(0).path);
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if (items->size() > 1) {
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m_back_button->set_enabled(true);
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m_next_button->set_enabled(true);
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} else {
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m_back_button->set_enabled(false);
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m_next_button->set_enabled(false);
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}
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}
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void SoundPlayerWidgetAdvancedView::set_playlist_visible(bool visible)
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{
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if (visible) {
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m_playlist_widget = m_player_view->parent_widget()->add<PlaylistWidget>();
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m_playlist_widget->set_data_model(m_playlist_model);
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m_playlist_widget->set_fixed_width(150);
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} else {
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m_playlist_widget->remove_from_parent();
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m_player_view->set_max_width(window()->width());
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}
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}
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void SoundPlayerWidgetAdvancedView::try_fill_missing_info(Vector<M3UEntry>& entries, StringView playlist_p)
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{
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LexicalPath playlist_path(playlist_p);
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Vector<M3UEntry*> to_delete;
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for (auto& entry : entries) {
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LexicalPath entry_path(entry.path);
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if (!entry_path.is_absolute()) {
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entry.path = String::formatted("{}/{}", playlist_path.dirname(), entry_path.basename());
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}
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if (!Core::File::exists(entry.path)) {
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GUI::MessageBox::show(window(), String::formatted("The file \"{}\" present in the playlist does not exist or was not found. This file will be ignored.", entry_path.basename()), "Error reading playlist", GUI::MessageBox::Type::Warning);
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to_delete.append(&entry);
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continue;
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}
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if (!entry.extended_info->track_display_title.has_value())
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entry.extended_info->track_display_title = LexicalPath(entry.path).title();
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if (!entry.extended_info->track_length_in_seconds.has_value()) {
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if (entry_path.has_extension("wav")) {
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auto wav_reader = Audio::Loader::create(entry.path);
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entry.extended_info->track_length_in_seconds = wav_reader->total_samples() / wav_reader->sample_rate();
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}
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//TODO: Implement embedded metadata extractor for other audio formats
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}
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//TODO: Implement a metadata parser for the uncomfortably numerous popular embedded metadata formats
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if (!entry.extended_info->file_size_in_bytes.has_value()) {
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FILE* f = fopen(entry.path.characters(), "r");
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VERIFY(f != nullptr);
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fseek(f, 0, SEEK_END);
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entry.extended_info->file_size_in_bytes = ftell(f);
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fclose(f);
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}
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}
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for (M3UEntry* entry : to_delete)
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entries.remove_first_matching([&](M3UEntry& e) { return &e == entry; });
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}
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