1 #include <qmetatype.h> // Needs to come before egl.h.
2 #include <qdatastream.h> // Needs to come before egl.h.
3 #include <qtextstream.h> // Needs to come before egl.h.
4 #include <qcursor.h> // Needs to come before egl.h.
5 #include <qcoreevent.h> // Needs to come before egl.h.
6 #include <qevent.h> // Needs to come before egl.h.
11 #include <QSurfaceFormat>
18 #include <movit/effect_chain.h>
19 #include <movit/resource_pool.h>
23 #include "mainwindow.h"
25 #include "qnamespace.h"
26 #include "ref_counted_gl_sync.h"
32 #include <movit/util.h>
36 using namespace std::placeholders;
38 GLWidget::GLWidget(QWidget *parent)
39 : QGLWidget(parent, global_share_widget)
43 void GLWidget::clean_context()
45 if (resource_pool != nullptr) {
47 resource_pool->clean_context();
51 void GLWidget::initializeGL()
53 static once_flag flag;
54 call_once(flag, [this]{
55 global_mixer = new Mixer(QGLFormat::toSurfaceFormat(format()), global_flags.num_cards);
56 global_audio_mixer = global_mixer->get_audio_mixer();
57 global_mainwindow->mixer_created(global_mixer);
58 global_mixer->start();
60 global_mixer->set_frame_ready_callback(output, [this]{
61 QMetaObject::invokeMethod(this, "update", Qt::AutoConnection);
63 if (output == Mixer::OUTPUT_LIVE) {
64 global_mixer->set_transition_names_updated_callback(output, [this](const vector<string> &names){
65 emit transition_names_updated(names);
68 if (output >= Mixer::OUTPUT_INPUT0) {
69 global_mixer->set_name_updated_callback(output, [this](const string &name){
70 emit name_updated(output, name);
72 global_mixer->set_color_updated_callback(output, [this](const string &color){
73 emit color_updated(output, color);
76 int signal_num = global_mixer->get_channel_signal(output);
77 if (signal_num != -1) {
78 setContextMenuPolicy(Qt::CustomContextMenu);
79 connect(this, &QWidget::customContextMenuRequested,
80 bind(&GLWidget::show_context_menu, this, signal_num, _1));
85 glDisable(GL_DEPTH_TEST);
86 glDepthMask(GL_FALSE);
89 void GLWidget::resizeGL(int width, int height)
91 glViewport(0, 0, width, height);
94 void GLWidget::paintGL()
96 Mixer::DisplayFrame frame;
97 if (!global_mixer->get_display_frame(output, &frame)) {
98 glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
100 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
106 glWaitSync(frame.ready_fence.get(), /*flags=*/0, GL_TIMEOUT_IGNORED);
110 frame.chain->render_to_screen();
113 if (resource_pool == nullptr) {
114 resource_pool = frame.chain->get_resource_pool();
116 assert(resource_pool == frame.chain->get_resource_pool());
120 void GLWidget::mousePressEvent(QMouseEvent *event)
125 void GLWidget::show_context_menu(unsigned signal_num, const QPoint &pos)
127 QPoint global_pos = mapToGlobal(pos);
131 // Add a submenu for selecting input card, with an action for each card.
133 QActionGroup card_group(&card_submenu);
135 unsigned num_cards = global_mixer->get_num_cards();
136 unsigned current_card = global_mixer->map_signal(signal_num);
137 for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
138 QString description(QString::fromStdString(global_mixer->get_card_description(card_index)));
139 QAction *action = new QAction(description, &card_group);
140 action->setCheckable(true);
141 if (current_card == card_index) {
142 action->setChecked(true);
144 action->setData(QList<QVariant>{"card", card_index});
145 card_submenu.addAction(action);
148 card_submenu.setTitle("Input source");
149 menu.addMenu(&card_submenu);
151 // --- The choices in the next few options depend a lot on which card is active ---
153 // Add a submenu for selecting video input, with an action for each input.
154 QMenu video_input_submenu;
155 QActionGroup video_input_group(&video_input_submenu);
156 std::map<uint32_t, string> video_inputs = global_mixer->get_available_video_inputs(current_card);
157 uint32_t current_video_input = global_mixer->get_current_video_input(current_card);
158 for (const auto &mode : video_inputs) {
159 QString description(QString::fromStdString(mode.second));
160 QAction *action = new QAction(description, &video_input_group);
161 action->setCheckable(true);
162 if (mode.first == current_video_input) {
163 action->setChecked(true);
165 action->setData(QList<QVariant>{"video_input", mode.first});
166 video_input_submenu.addAction(action);
169 video_input_submenu.setTitle("Video input");
170 menu.addMenu(&video_input_submenu);
172 // The same for audio input.
173 QMenu audio_input_submenu;
174 QActionGroup audio_input_group(&audio_input_submenu);
175 std::map<uint32_t, string> audio_inputs = global_mixer->get_available_audio_inputs(current_card);
176 uint32_t current_audio_input = global_mixer->get_current_audio_input(current_card);
177 for (const auto &mode : audio_inputs) {
178 QString description(QString::fromStdString(mode.second));
179 QAction *action = new QAction(description, &audio_input_group);
180 action->setCheckable(true);
181 if (mode.first == current_audio_input) {
182 action->setChecked(true);
184 action->setData(QList<QVariant>{"audio_input", mode.first});
185 audio_input_submenu.addAction(action);
188 audio_input_submenu.setTitle("Audio input");
189 menu.addMenu(&audio_input_submenu);
191 // The same for resolution.
193 QActionGroup mode_group(&mode_submenu);
194 std::map<uint32_t, bmusb::VideoMode> video_modes = global_mixer->get_available_video_modes(current_card);
195 uint32_t current_video_mode = global_mixer->get_current_video_mode(current_card);
196 bool has_auto_mode = false;
197 for (const auto &mode : video_modes) {
198 QString description(QString::fromStdString(mode.second.name));
199 QAction *action = new QAction(description, &mode_group);
200 action->setCheckable(true);
201 if (mode.first == current_video_mode) {
202 action->setChecked(true);
204 action->setData(QList<QVariant>{"video_mode", mode.first});
205 mode_submenu.addAction(action);
207 // TODO: Relying on the 0 value here (from bmusb.h) is ugly, it should be a named constant.
208 if (mode.first == 0) {
209 has_auto_mode = true;
213 // Add a “scan” menu if there's no “auto” mode.
214 if (!has_auto_mode) {
215 QAction *action = new QAction("Scan", &mode_group);
216 action->setData(QList<QVariant>{"video_mode", 0});
217 mode_submenu.addSeparator();
218 mode_submenu.addAction(action);
221 mode_submenu.setTitle("Input mode");
222 menu.addMenu(&mode_submenu);
224 // --- End of card-dependent choices ---
226 // Add an audio source selector.
227 QAction *audio_source_action = new QAction("Use as audio source", &menu);
228 audio_source_action->setCheckable(true);
229 if (global_mixer->get_audio_source() == signal_num) {
230 audio_source_action->setChecked(true);
231 audio_source_action->setEnabled(false);
233 menu.addAction(audio_source_action);
235 // And a master clock selector.
236 QAction *master_clock_action = new QAction("Use as master clock", &menu);
237 master_clock_action->setCheckable(true);
238 if (global_mixer->get_master_clock() == signal_num) {
239 master_clock_action->setChecked(true);
240 master_clock_action->setEnabled(false);
242 menu.addAction(master_clock_action);
244 // Show the menu and look at the result.
245 QAction *selected_item = menu.exec(global_pos);
246 if (selected_item == audio_source_action) {
247 global_mixer->set_audio_source(signal_num);
248 } else if (selected_item == master_clock_action) {
249 global_mixer->set_master_clock(signal_num);
250 } else if (selected_item != nullptr) {
251 QList<QVariant> selected = selected_item->data().toList();
252 if (selected[0].toString() == "video_mode") {
253 uint32_t mode = selected[1].toUInt(nullptr);
254 if (mode == 0 && !has_auto_mode) {
255 global_mixer->start_mode_scanning(current_card);
257 global_mixer->set_video_mode(current_card, mode);
259 } else if (selected[0].toString() == "video_input") {
260 uint32_t input = selected[1].toUInt(nullptr);
261 global_mixer->set_video_input(current_card, input);
262 } else if (selected[0].toString() == "audio_input") {
263 uint32_t input = selected[1].toUInt(nullptr);
264 global_mixer->set_audio_input(current_card, input);
265 } else if (selected[0].toString() == "card") {
266 unsigned card_index = selected[1].toUInt(nullptr);
267 global_mixer->set_signal_mapping(signal_num, card_index);