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Code Issues Activity Actions

AudioPlayer: Further decouple the player from the GUI

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This commit is contained in:
Cesar Torres 2021-03-24 00:12:50 +01:00 • committed by Andreas Kling
parent f9e4bff487
commit e4d6a56a28
6 changed files with 136 additions and 76 deletions
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74
Userland/Applications/SoundPlayer/SoundPlayerWidgetAdvancedView.cpp
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@ -41,12 +41,10 @@
#include <LibGUI/Window.h>
#include <LibGfx/Bitmap.h>
SoundPlayerWidgetAdvancedView::SoundPlayerWidgetAdvancedView(GUI::Window& window, Audio::ClientConnection& connection, PlaybackManager& manager)
: m_window(window)
, m_connection(connection)
, m_manager(manager)
SoundPlayerWidgetAdvancedView::SoundPlayerWidgetAdvancedView(GUI::Window& window, PlayerState& state)
: Player(state)
, m_window(window)
{
window.resize(455, 350);
window.set_minimum_size(440, 130);
window.set_resizable(true);
@ -65,9 +63,9 @@ SoundPlayerWidgetAdvancedView::SoundPlayerWidgetAdvancedView(GUI::Window& window
m_playback_progress_slider = add<Slider>(Orientation::Horizontal);
m_playback_progress_slider->set_fixed_height(20);
m_playback_progress_slider->set_min(0);
m_playback_progress_slider->set_max(m_manager.total_length() * 44100); //this value should be set when we load a new file
m_playback_progress_slider->set_max(this->manager().total_length() * 44100); //this value should be set when we load a new file
m_playback_progress_slider->on_knob_released = [&](int value) {
m_manager.seek(value);
this->manager().seek(value);
};
auto& toolbar_container = add<GUI::ToolBarContainer>();
@ -75,20 +73,22 @@ SoundPlayerWidgetAdvancedView::SoundPlayerWidgetAdvancedView(GUI::Window& window
auto& menubar = toolbar_container.add<GUI::ToolBar>();
m_play_button = menubar.add<GUI::Button>();
m_play_button->set_icon(*m_play_icon);
m_play_button->set_icon(is_paused() ? (!has_loaded_file() ? *m_play_icon : *m_pause_icon) : *m_pause_icon);
m_play_button->set_fixed_width(50);
m_play_button->set_enabled(has_loaded_file());
m_play_button->on_click = [&](unsigned) {
bool paused = m_manager.toggle_pause();
bool paused = this->manager().toggle_pause();
set_paused(paused);
m_play_button->set_icon(paused ? *m_play_icon : *m_pause_icon);
m_stop_button->set_enabled(!paused);
};
m_stop_button = menubar.add<GUI::Button>();
m_stop_button->set_icon(*m_stop_icon);
m_stop_button->set_fixed_width(50);
m_stop_button->set_enabled(has_loaded_file());
m_stop_button->on_click = [&](unsigned) {
m_manager.stop();
this->manager().stop();
set_stopped(true);
m_play_button->set_icon(*m_play_icon);
m_stop_button->set_enabled(false);
};
@ -100,13 +100,15 @@ SoundPlayerWidgetAdvancedView::SoundPlayerWidgetAdvancedView(GUI::Window& window
// filler_label
menubar.add<GUI::Label>();
auto& back_button = menubar.add<GUI::Button>();
back_button.set_fixed_width(50);
back_button.set_icon(*m_back_icon);
m_back_button = menubar.add<GUI::Button>();
m_back_button->set_fixed_width(50);
m_back_button->set_icon(*m_back_icon);
m_back_button->set_enabled(has_loaded_file());
auto& next_button = menubar.add<GUI::Button>();
next_button.set_fixed_width(50);
next_button.set_icon(*m_next_icon);
m_next_button = menubar.add<GUI::Button>();
m_next_button->set_fixed_width(50);
m_next_button->set_icon(*m_next_icon);
m_next_button->set_enabled(has_loaded_file());
m_volume_label = &menubar.add<GUI::Label>();
m_volume_label->set_fixed_width(30);
@ -127,41 +129,36 @@ SoundPlayerWidgetAdvancedView::SoundPlayerWidgetAdvancedView(GUI::Window& window
set_volume(1.);
set_nonlinear_volume_slider(false);
m_manager.on_update = [&]() {
manager().on_update = [&]() {
//TODO: make this program support other sample rates
int samples_played = m_connection.get_played_samples() + m_manager.last_seek();
int samples_played = client_connection().get_played_samples() + this->manager().last_seek();
int current_second = samples_played / 44100;
timestamp_label.set_text(String::formatted("Elapsed: {:02}:{:02}:{:02}", current_second / 3600, current_second / 60, current_second % 60));
m_playback_progress_slider->set_value(samples_played);
dynamic_cast<Visualization*>(m_visualization.ptr())->set_buffer(m_manager.current_buffer());
dynamic_cast<Visualization*>(m_visualization.ptr())->set_buffer(this->manager().current_buffer());
};
m_manager.on_load_sample_buffer = [&](Audio::Buffer& buffer) {
if (m_volume == 1.)
this->manager().on_load_sample_buffer = [&](Audio::Buffer& buffer) {
if (volume() == 1.)
return;
auto sample_count = buffer.sample_count();
if (sample_count % 4 == 0) {
const int total_iter = sample_count / (sizeof(AK::SIMD::f64x4) / sizeof(double) / 2);
AK::SIMD::f64x4* sample_ptr = const_cast<AK::SIMD::f64x4*>(reinterpret_cast<const AK::SIMD::f64x4*>((buffer.data())));
for (int i = 0; i < total_iter; ++i) {
sample_ptr[i] = sample_ptr[i] * m_volume;
sample_ptr[i] = sample_ptr[i] * volume();
}
} else {
const int total_iter = sample_count / (sizeof(AK::SIMD::f64x2) / sizeof(double) / 2);
AK::SIMD::f64x2* sample_ptr = const_cast<AK::SIMD::f64x2*>(reinterpret_cast<const AK::SIMD::f64x2*>((buffer.data())));
for (int i = 0; i < total_iter; ++i) {
sample_ptr[i] = sample_ptr[i] * m_volume;
sample_ptr[i] = sample_ptr[i] * volume();
}
}
};
}
void SoundPlayerWidgetAdvancedView::set_volume(double value)
{
m_volume = value;
}
void SoundPlayerWidgetAdvancedView::open_file(StringView path)
{
NonnullRefPtr<Audio::Loader> loader = Audio::Loader::create(path);
@ -173,7 +170,12 @@ void SoundPlayerWidgetAdvancedView::open_file(StringView path)
}
m_window.set_title(String::formatted("{} - SoundPlayer", loader->file()->filename()));
m_playback_progress_slider->set_max(loader->total_samples());
m_manager.set_loader(move(loader));
m_playback_progress_slider->set_enabled(true);
m_play_button->set_enabled(true);
m_stop_button->set_enabled(true);
manager().set_loader(move(loader));
set_has_loaded_file(true);
set_loaded_filename(path);
}
void SoundPlayerWidgetAdvancedView::set_nonlinear_volume_slider(bool nonlinear)
@ -196,5 +198,13 @@ void SoundPlayerWidgetAdvancedView::drop_event(GUI::DropEvent& event)
SoundPlayerWidgetAdvancedView::~SoundPlayerWidgetAdvancedView()
{
m_manager.on_load_sample_buffer = nullptr;
manager().on_load_sample_buffer = nullptr;
manager().on_update = nullptr;
}
void SoundPlayerWidgetAdvancedView::play()
{
manager().play();
set_paused(false);
set_stopped(false);
}