SoundPlayer: Add samplerate variable to visualizations

also fix conflict

Userland/Applications/SoundPlayer/BarsVisualizationWidget.cpp

@@ -49,8 +49,7 @@ void BarsVisualizationWidget::paint_event(GUI::PaintEvent& event)
     fft(m_sample_buffer, false);
     double max = sqrt(m_sample_count * 2);
 
-    //TODO: don't hardcode this!
-    double freq_bin = 44100 / m_sample_count;
+    double freq_bin = m_samplerate / m_sample_count;
 
     constexpr int group_count = 60;
     Vector<double, group_count> groups;
@@ -73,7 +72,7 @@ void BarsVisualizationWidget::paint_event(GUI::PaintEvent& event)
 
     const int horizontal_margin = 30;
     const int top_vertical_margin = 15;
-    const int pixels_inbetween_groups = 5;
+    const int pixels_inbetween_groups = frame_inner_rect().width() > 350 ? 5 : 2;
     int pixel_per_group_width = (frame_inner_rect().width() - horizontal_margin * 2 - pixels_inbetween_groups * (group_count - 1)) / group_count;
     int max_height = frame_inner_rect().height() - top_vertical_margin;
     int current_xpos = horizontal_margin;
@@ -146,3 +145,7 @@ void BarsVisualizationWidget::mousedown_event(GUI::MouseEvent& event)
     }
 }
 
+void BarsVisualizationWidget::set_samplerate(int samplerate)
+{
+    m_samplerate = samplerate;
+}

Userland/Applications/SoundPlayer/BarsVisualizationWidget.h

@@ -38,10 +38,12 @@ class BarsVisualizationWidget final : public GUI::Frame
 public:
     ~BarsVisualizationWidget() override;
     void set_buffer(RefPtr<Audio::Buffer> buffer) override;
+    void set_samplerate(int samplerate) override;
 
 private:
-    void set_buffer(RefPtr<Audio::Buffer> buffer, int samples_to_use);
     BarsVisualizationWidget();
+    void set_buffer(RefPtr<Audio::Buffer> buffer, int samples_to_use);
+
     void paint_event(GUI::PaintEvent&) override;
     void mousedown_event(GUI::MouseEvent& event) override;
 
@@ -49,6 +51,7 @@ private:
     Vector<int> m_gfx_falling_bars;
     int m_last_id;
     int m_sample_count;
+    int m_samplerate;
     bool m_is_using_last;
     bool m_adjust_frequencies;
     RefPtr<GUI::Menu> m_context_menu;

Userland/Applications/SoundPlayer/CMakeLists.txt

@@ -2,7 +2,6 @@ set(SOURCES
     main.cpp
     PlaybackManager.cpp
     SampleWidget.cpp
-    SoundPlayerWidget.cpp
     SoundPlayerWidgetAdvancedView.cpp
     BarsVisualizationWidget.cpp
     AudioAlgorithms.cpp

Userland/Applications/SoundPlayer/Common.h

@@ -28,10 +28,10 @@
 
 #include <LibGUI/Slider.h>
 
-class Slider final : public GUI::Slider {
-    C_OBJECT(Slider)
+class AutoSlider final : public GUI::Slider {
+    C_OBJECT(AutoSlider)
 public:
-    ~Slider() override = default;
+    ~AutoSlider() override = default;
     Function<void(int)> on_knob_released;
     void set_value(int value)
     {
@@ -40,7 +40,7 @@ public:
     }
 
 protected:
-    Slider(Orientation orientation)
+    AutoSlider(Orientation orientation)
         : GUI::Slider(orientation)
     {
     }

Userland/Applications/SoundPlayer/PlaybackManager.cpp

@@ -172,13 +172,10 @@ void PlaybackManager::next_buffer()
     remove_dead_buffers();
     if (!m_next_buffer) {
         if (!m_connection->get_remaining_samples() && !m_paused) {
-            dbgln("Exhausted samples :^)");
-            if (m_loop)
-                seek(0);
-            else
-                stop();
+            stop();
+            if (on_finished_playing)
+                on_finished_playing();
         }
-
         return;
     }
 

Userland/Applications/SoundPlayer/PlaybackManager.h

@@ -57,6 +57,7 @@ public:
 
     Function<void()> on_update;
     Function<void(Audio::Buffer&)> on_load_sample_buffer;
+    Function<void()> on_finished_playing;
 
 private:
     void next_buffer();

Userland/Applications/SoundPlayer/SoundPlayerWidget.cpp

@@ -1,206 +0,0 @@
-/*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- * 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 "SoundPlayerWidget.h"
-#include "Common.h"
-#include <AK/StringBuilder.h>
-#include <LibCore/MimeData.h>
-#include <LibGUI/BoxLayout.h>
-#include <LibGUI/Button.h>
-#include <LibGUI/Label.h>
-#include <LibGUI/MessageBox.h>
-
-SoundPlayerWidget::SoundPlayerWidget(GUI::Window& window, PlayerState& state)
-    : Player(state)
-    , m_window(window)
-{
-    window.set_resizable(false);
-    window.resize(350, 140);
-
-    set_fill_with_background_color(true);
-    set_layout<GUI::VerticalBoxLayout>();
-    layout()->set_margins({ 2, 2, 2, 2 });
-
-    auto& status_widget = add<GUI::Widget>();
-    status_widget.set_fill_with_background_color(true);
-    status_widget.set_layout<GUI::HorizontalBoxLayout>();
-
-    m_elapsed = status_widget.add<GUI::Label>();
-    m_elapsed->set_frame_shape(Gfx::FrameShape::Container);
-    m_elapsed->set_frame_shadow(Gfx::FrameShadow::Sunken);
-    m_elapsed->set_frame_thickness(2);
-    m_elapsed->set_fixed_width(80);
-
-    auto& sample_widget_container = status_widget.add<GUI::Widget>();
-    sample_widget_container.set_layout<GUI::HorizontalBoxLayout>();
-
-    m_sample_widget = sample_widget_container.add<SampleWidget>();
-
-    m_remaining = status_widget.add<GUI::Label>();
-    m_remaining->set_frame_shape(Gfx::FrameShape::Container);
-    m_remaining->set_frame_shadow(Gfx::FrameShadow::Sunken);
-    m_remaining->set_frame_thickness(2);
-    m_remaining->set_fixed_width(80);
-
-    m_slider = add<Slider>(Orientation::Horizontal);
-    m_slider->set_min(0);
-    m_slider->set_enabled(has_loaded_file());
-    m_slider->on_knob_released = [&](int value) { manager().seek(denormalize_rate(value)); };
-
-    auto& control_widget = add<GUI::Widget>();
-    control_widget.set_fill_with_background_color(true);
-    control_widget.set_layout<GUI::HorizontalBoxLayout>();
-    control_widget.set_fixed_height(30);
-    control_widget.layout()->set_margins({ 10, 2, 10, 2 });
-    control_widget.layout()->set_spacing(10);
-
-    m_play = control_widget.add<GUI::Button>();
-    m_play->set_icon(has_loaded_file() ? *m_play_icon : *m_pause_icon);
-    m_play->set_enabled(has_loaded_file());
-    m_play->on_click = [this](auto) {
-        bool paused = manager().toggle_pause();
-        set_paused(paused);
-        m_play->set_icon(paused ? *m_play_icon : *m_pause_icon);
-    };
-
-    m_stop = control_widget.add<GUI::Button>();
-    m_stop->set_enabled(has_loaded_file());
-    m_stop->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/stop.png"));
-    m_stop->on_click = [this](auto) {
-        manager().stop();
-        set_stopped(true);
-    };
-
-    m_status = add<GUI::Label>();
-    m_status->set_frame_shape(Gfx::FrameShape::Box);
-    m_status->set_frame_shadow(Gfx::FrameShadow::Raised);
-    m_status->set_frame_thickness(4);
-    m_status->set_text_alignment(Gfx::TextAlignment::CenterLeft);
-    m_status->set_fixed_height(18);
-    m_status->set_text(has_loaded_file() ? loaded_filename() : "No file open!");
-
-    update_position(0);
-
-    manager().on_update = [&]() { update_ui(); };
-}
-
-SoundPlayerWidget::~SoundPlayerWidget()
-{
-}
-
-void SoundPlayerWidget::open_file(StringView path)
-{
-    NonnullRefPtr<Audio::Loader> loader = Audio::Loader::create(path);
-    if (loader->has_error() || !loader->sample_rate()) {
-        const String error_string = loader->error_string();
-        GUI::MessageBox::show(window(),
-            String::formatted("Failed to load audio file: {} ({})", path, error_string.is_null() ? "Unknown error" : error_string),
-            "Filetype error", GUI::MessageBox::Type::Error);
-        return;
-    }
-
-    m_sample_ratio = PLAYBACK_MANAGER_RATE / static_cast<float>(loader->sample_rate());
-
-    m_slider->set_max(normalize_rate(static_cast<int>(loader->total_samples())));
-    m_slider->set_enabled(true);
-    m_play->set_enabled(true);
-    m_stop->set_enabled(true);
-
-    m_window.set_title(String::formatted("{} - SoundPlayer", loader->file()->filename()));
-    m_status->set_text(String::formatted(
-        "Sample rate {}Hz, {} channel(s), {} bits per sample",
-        loader->sample_rate(),
-        loader->num_channels(),
-        loader->bits_per_sample()));
-
-    manager().set_loader(move(loader));
-    update_position(0);
-    set_has_loaded_file(true);
-    set_loaded_filename(path);
-}
-
-void SoundPlayerWidget::drop_event(GUI::DropEvent& event)
-{
-    event.accept();
-    window()->move_to_front();
-
-    if (event.mime_data().has_urls()) {
-        auto urls = event.mime_data().urls();
-        if (urls.is_empty())
-            return;
-        open_file(urls.first().path());
-    }
-}
-
-int SoundPlayerWidget::normalize_rate(int rate) const
-{
-    return static_cast<int>(rate * m_sample_ratio);
-}
-
-int SoundPlayerWidget::denormalize_rate(int rate) const
-{
-    return static_cast<int>(rate / m_sample_ratio);
-}
-
-void SoundPlayerWidget::update_ui()
-{
-    m_sample_widget->set_buffer(manager().current_buffer());
-    m_play->set_icon(manager().is_paused() ? *m_play_icon : *m_pause_icon);
-    update_position(manager().connection()->get_played_samples());
-}
-
-void SoundPlayerWidget::update_position(const int position)
-{
-    int total_norm_samples = position + normalize_rate(manager().last_seek());
-    float seconds = (total_norm_samples / static_cast<float>(PLAYBACK_MANAGER_RATE));
-    float remaining_seconds = manager().total_length() - seconds;
-
-    m_elapsed->set_text(String::formatted(
-        "Elapsed:\n{}:{:02}.{:02}",
-        static_cast<int>(seconds / 60),
-        static_cast<int>(seconds) % 60,
-        static_cast<int>(seconds * 100) % 100));
-
-    m_remaining->set_text(String::formatted(
-        "Remaining:\n{}:{:02}.{:02}",
-        static_cast<int>(remaining_seconds / 60),
-        static_cast<int>(remaining_seconds) % 60,
-        static_cast<int>(remaining_seconds * 100) % 100));
-
-    m_slider->set_value(total_norm_samples);
-}
-
-void SoundPlayerWidget::hide_scope(bool hide)
-{
-    m_sample_widget->set_visible(!hide);
-}
-
-void SoundPlayerWidget::play()
-{
-    manager().play();
-    set_paused(false);
-    set_stopped(false);
-}

Userland/Applications/SoundPlayer/SoundPlayerWidget.h

@@ -1,70 +0,0 @@
-/*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- * 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.
- */
-
-#pragma once
-
-#include "Common.h"
-#include "PlaybackManager.h"
-#include "Player.h"
-#include "SampleWidget.h"
-#include <AK/NonnullRefPtr.h>
-#include <LibGUI/Button.h>
-#include <LibGUI/Label.h>
-#include <LibGUI/Widget.h>
-#include <LibGUI/Window.h>
-
-class SoundPlayerWidget final : public GUI::Widget
-    , public Player {
-    C_OBJECT(SoundPlayerWidget)
-public:
-    ~SoundPlayerWidget() override;
-    void open_file(StringView path) override;
-    void play() override;
-    void hide_scope(bool);
-
-private:
-    explicit SoundPlayerWidget(GUI::Window& window, PlayerState& state);
-
-    void drop_event(GUI::DropEvent&) override;
-
-    void update_position(const int position);
-    void update_ui();
-    int normalize_rate(int) const;
-    int denormalize_rate(int) const;
-
-    GUI::Window& m_window;
-
-    float m_sample_ratio { 1.0 };
-    RefPtr<GUI::Label> m_status;
-    RefPtr<GUI::Label> m_elapsed;
-    RefPtr<GUI::Label> m_remaining;
-    RefPtr<Slider> m_slider;
-    RefPtr<SampleWidget> m_sample_widget;
-    RefPtr<Gfx::Bitmap> m_play_icon { Gfx::Bitmap::load_from_file("/res/icons/16x16/play.png") };
-    RefPtr<Gfx::Bitmap> m_pause_icon { Gfx::Bitmap::load_from_file("/res/icons/16x16/pause.png") };
-    RefPtr<GUI::Button> m_play;
-    RefPtr<GUI::Button> m_stop;
-};

Userland/Applications/SoundPlayer/SoundPlayerWidgetAdvancedView.cpp

@@ -37,6 +37,7 @@
 #include <LibGUI/Label.h>
 #include <LibGUI/MessageBox.h>
 #include <LibGUI/Slider.h>
+#include <LibGUI/Splitter.h>
 #include <LibGUI/ToolBar.h>
 #include <LibGUI/ToolBarContainer.h>
 #include <LibGUI/Window.h>
@@ -212,10 +213,14 @@ void SoundPlayerWidgetAdvancedView::open_file(StringView path)
     m_playback_progress_slider->set_max(loader->total_samples());
     m_playback_progress_slider->set_enabled(true);
     m_play_button->set_enabled(true);
+    m_play_button->set_icon(*m_pause_icon);
     m_stop_button->set_enabled(true);
+    m_playback_progress_slider->set_max(loader->total_samples());
     manager().set_loader(move(loader));
     set_has_loaded_file(true);
+    set_loaded_file_samplerate(loader->sample_rate());
     set_loaded_filename(path);
+    play();
 }
 
 void SoundPlayerWidgetAdvancedView::set_nonlinear_volume_slider(bool nonlinear)

Userland/Applications/SoundPlayer/SoundPlayerWidgetAdvancedView.h

@@ -27,11 +27,12 @@
 #pragma once
 
 #include "BarsVisualizationWidget.h"
+#include "Common.h"
 #include "PlaybackManager.h"
 #include "Player.h"
-#include "SoundPlayerWidget.h"
 #include <AK/NonnullRefPtr.h>
 #include <LibAudio/ClientConnection.h>
+#include <LibGUI/Splitter.h>
 #include <LibGUI/Widget.h>
 
 class SoundPlayerWidgetAdvancedView final : public GUI::Widget
@@ -45,6 +46,9 @@ public:
     void open_file(StringView path) override;
     void read_playlist(StringView path);
     void play() override;
+    void set_nonlinear_volume_slider(bool nonlinear);
+    void set_playlist_visible(bool visible);
+    void try_fill_missing_info(Vector<M3UEntry>& entries, StringView playlist_p);
 
     template<typename T>
     void set_visualization()
@@ -52,12 +56,10 @@ public:
         m_visualization->remove_from_parent();
         update();
         auto new_visualization = T::construct();
-        insert_child_before(new_visualization, *static_cast<Core::Object*>(m_playback_progress_slider.ptr()));
+        m_player_view->insert_child_before(new_visualization, *static_cast<Core::Object*>(m_playback_progress_slider.ptr()));
         m_visualization = new_visualization;
     }
 
-    void set_nonlinear_volume_slider(bool nonlinear);
-
 private:
     void drop_event(GUI::DropEvent& event) override;
     GUI::Window& m_window;
@@ -77,7 +79,7 @@ private:
     RefPtr<GUI::Button> m_stop_button;
     RefPtr<GUI::Button> m_back_button;
     RefPtr<GUI::Button> m_next_button;
-    RefPtr<Slider> m_playback_progress_slider;
+    RefPtr<AutoSlider> m_playback_progress_slider;
     RefPtr<GUI::Label> m_volume_label;
 
     bool m_nonlinear_volume_slider;

Userland/Applications/SoundPlayer/VisualizationBase.h

@@ -31,4 +31,5 @@
 class Visualization {
 public:
     virtual void set_buffer(RefPtr<Audio::Buffer> buffer) = 0;
+    virtual void set_samplerate(int) { }
 };

Userland/Applications/SoundPlayer/main.cpp

@@ -26,7 +26,7 @@
 
 #include "NoVisualizationWidget.h"
 #include "Player.h"
-#include "SoundPlayerWidget.h"
+#include "SampleWidget.h"
 #include "SoundPlayerWidgetAdvancedView.h"
 #include <LibAudio/ClientConnection.h>
 #include <LibGUI/Action.h>
@@ -54,21 +54,24 @@ int main(int argc, char** argv)
 
     auto audio_client = Audio::ClientConnection::construct();
     audio_client->handshake();
-    PlaybackManager playback_manager(audio_client);
-    PlayerState initial_player_state { true,
-        true,
-        false,
-        false,
-        1.0,
-        audio_client,
-        playback_manager,
-        "" };
 
     if (pledge("stdio recvfd sendfd accept rpath thread", nullptr) < 0) {
         perror("pledge");
         return 1;
     }
 
+    PlaybackManager playback_manager(audio_client);
+    PlayerState initial_player_state { true,
+        true,
+        false,
+        false,
+        false,
+        44100,
+        1.0,
+        audio_client,
+        playback_manager,
+        "" };
+
     auto app_icon = GUI::Icon::default_icon("app-sound-player");
 
     auto window = GUI::Window::construct();
@@ -78,12 +81,14 @@ int main(int argc, char** argv)
     auto menubar = GUI::MenuBar::construct();
 
     auto& app_menu = menubar->add_menu("File");
-    // start in simple view by default
-    Player* player = &window->set_main_widget<SoundPlayerWidget>(window, initial_player_state);
+
+    auto& playlist_menu = menubar->add_menu("Playlist");
+
+    String path = argv[1];
+    // start in advanced view by default
+    Player* player = &window->set_main_widget<SoundPlayerWidgetAdvancedView>(window, initial_player_state);
     if (argc > 1) {
-        String path = argv[1];
         player->open_file(path);
-        player->play();
     }
 
     app_menu.add_action(GUI::CommonActions::make_open_action([&](auto&) {
@@ -119,7 +124,7 @@ int main(int argc, char** argv)
     auto& playback_menu = menubar->add_menu("Playback");
 
     auto loop = GUI::Action::create_checkable("Loop", { Mod_Ctrl, Key_R }, [&](auto& action) {
-        player->set_looping(action.is_checked());
+        player->set_looping_file(action.is_checked());
     });
 
     playback_menu.add_action(move(loop));