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_mainwindow->mixer_created(global_mixer);
57 global_mixer->start();
59 global_mixer->set_frame_ready_callback(output, [this]{
60 QMetaObject::invokeMethod(this, "update", Qt::AutoConnection);
62 if (output == Mixer::OUTPUT_LIVE) {
63 global_mixer->set_transition_names_updated_callback(output, [this](const vector<string> &names){
64 emit transition_names_updated(names);
67 if (output >= Mixer::OUTPUT_INPUT0) {
68 global_mixer->set_name_updated_callback(output, [this](const string &name){
69 emit name_updated(output, name);
71 global_mixer->set_color_updated_callback(output, [this](const string &color){
72 emit color_updated(output, color);
75 int signal_num = global_mixer->get_channel_signal(output);
76 if (signal_num != -1) {
77 setContextMenuPolicy(Qt::CustomContextMenu);
78 connect(this, &QWidget::customContextMenuRequested,
79 bind(&GLWidget::show_context_menu, this, signal_num, _1));
84 glDisable(GL_DEPTH_TEST);
85 glDepthMask(GL_FALSE);
88 void GLWidget::resizeGL(int width, int height)
90 glViewport(0, 0, width, height);
93 void GLWidget::paintGL()
95 Mixer::DisplayFrame frame;
96 if (!global_mixer->get_display_frame(output, &frame)) {
97 glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
99 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
105 glWaitSync(frame.ready_fence.get(), /*flags=*/0, GL_TIMEOUT_IGNORED);
109 frame.chain->render_to_screen();
112 if (resource_pool == nullptr) {
113 resource_pool = frame.chain->get_resource_pool();
115 assert(resource_pool == frame.chain->get_resource_pool());
119 void GLWidget::mousePressEvent(QMouseEvent *event)
124 void GLWidget::show_context_menu(unsigned signal_num, const QPoint &pos)
126 QPoint global_pos = mapToGlobal(pos);
130 // Add a submenu for selecting input card, with an action for each card.
132 QActionGroup card_group(&card_submenu);
134 unsigned num_cards = global_mixer->get_num_cards();
135 unsigned current_card = global_mixer->map_signal(signal_num);
136 for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
137 QString description(QString::fromStdString(global_mixer->get_card_description(card_index)));
138 QAction *action = new QAction(description, &card_group);
139 action->setCheckable(true);
140 if (current_card == card_index) {
141 action->setChecked(true);
143 action->setData(QList<QVariant>{"card", card_index});
144 card_submenu.addAction(action);
147 card_submenu.setTitle("Input source");
148 menu.addMenu(&card_submenu);
150 // --- The choices in the next few options depend a lot on which card is active ---
152 // Add a submenu for selecting video input, with an action for each input.
153 QMenu video_input_submenu;
154 QActionGroup video_input_group(&video_input_submenu);
155 std::map<uint32_t, string> video_inputs = global_mixer->get_available_video_inputs(current_card);
156 uint32_t current_video_input = global_mixer->get_current_video_input(current_card);
157 for (const auto &mode : video_inputs) {
158 QString description(QString::fromStdString(mode.second));
159 QAction *action = new QAction(description, &video_input_group);
160 action->setCheckable(true);
161 if (mode.first == current_video_input) {
162 action->setChecked(true);
164 action->setData(QList<QVariant>{"video_input", mode.first});
165 video_input_submenu.addAction(action);
168 video_input_submenu.setTitle("Video input");
169 menu.addMenu(&video_input_submenu);
171 // The same for audio input.
172 QMenu audio_input_submenu;
173 QActionGroup audio_input_group(&audio_input_submenu);
174 std::map<uint32_t, string> audio_inputs = global_mixer->get_available_audio_inputs(current_card);
175 uint32_t current_audio_input = global_mixer->get_current_audio_input(current_card);
176 for (const auto &mode : audio_inputs) {
177 QString description(QString::fromStdString(mode.second));
178 QAction *action = new QAction(description, &audio_input_group);
179 action->setCheckable(true);
180 if (mode.first == current_audio_input) {
181 action->setChecked(true);
183 action->setData(QList<QVariant>{"audio_input", mode.first});
184 audio_input_submenu.addAction(action);
187 audio_input_submenu.setTitle("Audio input");
188 menu.addMenu(&audio_input_submenu);
190 // The same for resolution.
192 QActionGroup mode_group(&mode_submenu);
193 std::map<uint32_t, VideoMode> video_modes = global_mixer->get_available_video_modes(current_card);
194 uint32_t current_video_mode = global_mixer->get_current_video_mode(current_card);
195 bool has_auto_mode = false;
196 for (const auto &mode : video_modes) {
197 QString description(QString::fromStdString(mode.second.name));
198 QAction *action = new QAction(description, &mode_group);
199 action->setCheckable(true);
200 if (mode.first == current_video_mode) {
201 action->setChecked(true);
203 action->setData(QList<QVariant>{"video_mode", mode.first});
204 mode_submenu.addAction(action);
206 // TODO: Relying on the 0 value here (from bmusb.h) is ugly, it should be a named constant.
207 if (mode.first == 0) {
208 has_auto_mode = true;
212 // Add a “scan” menu if there's no “auto” mode.
213 if (!has_auto_mode) {
214 QAction *action = new QAction("Scan", &mode_group);
215 action->setData(QList<QVariant>{"video_mode", 0});
216 mode_submenu.addSeparator();
217 mode_submenu.addAction(action);
220 mode_submenu.setTitle("Input mode");
221 menu.addMenu(&mode_submenu);
223 // --- End of card-dependent choices ---
225 // Add an audio source selector.
226 QAction *audio_source_action = new QAction("Use as audio source", &menu);
227 audio_source_action->setCheckable(true);
228 if (global_mixer->get_audio_source() == signal_num) {
229 audio_source_action->setChecked(true);
230 audio_source_action->setEnabled(false);
232 menu.addAction(audio_source_action);
234 // And a master clock selector.
235 QAction *master_clock_action = new QAction("Use as master clock", &menu);
236 master_clock_action->setCheckable(true);
237 if (global_mixer->get_master_clock() == signal_num) {
238 master_clock_action->setChecked(true);
239 master_clock_action->setEnabled(false);
241 menu.addAction(master_clock_action);
243 // Show the menu and look at the result.
244 QAction *selected_item = menu.exec(global_pos);
245 if (selected_item == audio_source_action) {
246 global_mixer->set_audio_source(signal_num);
247 } else if (selected_item == master_clock_action) {
248 global_mixer->set_master_clock(signal_num);
249 } else if (selected_item != nullptr) {
250 QList<QVariant> selected = selected_item->data().toList();
251 if (selected[0].toString() == "video_mode") {
252 uint32_t mode = selected[1].toUInt(nullptr);
253 if (mode == 0 && !has_auto_mode) {
254 global_mixer->start_mode_scanning(current_card);
256 global_mixer->set_video_mode(current_card, mode);
258 } else if (selected[0].toString() == "video_input") {
259 uint32_t input = selected[1].toUInt(nullptr);
260 global_mixer->set_video_input(current_card, input);
261 } else if (selected[0].toString() == "audio_input") {
262 uint32_t input = selected[1].toUInt(nullptr);
263 global_mixer->set_audio_input(current_card, input);
264 } else if (selected[0].toString() == "card") {
265 unsigned card_index = selected[1].toUInt(nullptr);
266 global_mixer->set_signal_mapping(signal_num, card_index);