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);
61 emit transition_names_updated(global_mixer->get_transition_names());
62 emit resolution_updated(output);
65 if (output >= Mixer::OUTPUT_INPUT0) {
66 int signal_num = global_mixer->get_channel_signal(output);
67 if (signal_num != -1) {
68 setContextMenuPolicy(Qt::CustomContextMenu);
69 connect(this, &QWidget::customContextMenuRequested,
70 bind(&GLWidget::show_context_menu, this, signal_num, _1));
75 glDisable(GL_DEPTH_TEST);
76 glDepthMask(GL_FALSE);
79 void GLWidget::resizeGL(int width, int height)
81 glViewport(0, 0, width, height);
84 void GLWidget::paintGL()
86 Mixer::DisplayFrame frame;
87 if (!global_mixer->get_display_frame(output, &frame)) {
88 glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
90 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
96 glWaitSync(frame.ready_fence.get(), /*flags=*/0, GL_TIMEOUT_IGNORED);
100 frame.chain->render_to_screen();
103 if (resource_pool == nullptr) {
104 resource_pool = frame.chain->get_resource_pool();
106 assert(resource_pool == frame.chain->get_resource_pool());
110 void GLWidget::mousePressEvent(QMouseEvent *event)
115 void GLWidget::show_context_menu(unsigned signal_num, const QPoint &pos)
117 QPoint global_pos = mapToGlobal(pos);
121 // Add a submenu for selecting input card, with an action for each card.
123 QActionGroup card_group(&card_submenu);
125 unsigned num_cards = global_mixer->get_num_cards();
126 unsigned current_card = global_mixer->map_signal(signal_num);
127 for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
128 QString description(QString::fromStdString(global_mixer->get_card_description(card_index)));
129 QAction *action = new QAction(description, &card_group);
130 action->setCheckable(true);
131 if (current_card == card_index) {
132 action->setChecked(true);
134 action->setData(QList<QVariant>{"card", card_index});
135 card_submenu.addAction(action);
138 card_submenu.setTitle("Input source");
139 menu.addMenu(&card_submenu);
141 // --- The choices in the next few options depend a lot on which card is active ---
143 // Add a submenu for selecting video input, with an action for each input.
144 QMenu video_input_submenu;
145 QActionGroup video_input_group(&video_input_submenu);
146 std::map<uint32_t, string> video_inputs = global_mixer->get_available_video_inputs(current_card);
147 uint32_t current_video_input = global_mixer->get_current_video_input(current_card);
148 for (const auto &mode : video_inputs) {
149 QString description(QString::fromStdString(mode.second));
150 QAction *action = new QAction(description, &video_input_group);
151 action->setCheckable(true);
152 if (mode.first == current_video_input) {
153 action->setChecked(true);
155 action->setData(QList<QVariant>{"video_input", mode.first});
156 video_input_submenu.addAction(action);
159 video_input_submenu.setTitle("Video input");
160 menu.addMenu(&video_input_submenu);
162 // The same for audio input.
163 QMenu audio_input_submenu;
164 QActionGroup audio_input_group(&audio_input_submenu);
165 std::map<uint32_t, string> audio_inputs = global_mixer->get_available_audio_inputs(current_card);
166 uint32_t current_audio_input = global_mixer->get_current_audio_input(current_card);
167 for (const auto &mode : audio_inputs) {
168 QString description(QString::fromStdString(mode.second));
169 QAction *action = new QAction(description, &audio_input_group);
170 action->setCheckable(true);
171 if (mode.first == current_audio_input) {
172 action->setChecked(true);
174 action->setData(QList<QVariant>{"audio_input", mode.first});
175 audio_input_submenu.addAction(action);
178 audio_input_submenu.setTitle("Audio input");
179 menu.addMenu(&audio_input_submenu);
181 // The same for resolution.
183 QActionGroup mode_group(&mode_submenu);
184 std::map<uint32_t, VideoMode> video_modes = global_mixer->get_available_video_modes(current_card);
185 uint32_t current_video_mode = global_mixer->get_current_video_mode(current_card);
186 bool has_auto_mode = false;
187 for (const auto &mode : video_modes) {
188 QString description(QString::fromStdString(mode.second.name));
189 QAction *action = new QAction(description, &mode_group);
190 action->setCheckable(true);
191 if (mode.first == current_video_mode) {
192 action->setChecked(true);
194 action->setData(QList<QVariant>{"video_mode", mode.first});
195 mode_submenu.addAction(action);
197 // TODO: Relying on the 0 value here (from bmusb.h) is ugly, it should be a named constant.
198 if (mode.first == 0) {
199 has_auto_mode = true;
203 // Add a “scan” menu if there's no “auto” mode.
204 if (!has_auto_mode) {
205 QAction *action = new QAction("Scan", &mode_group);
206 action->setData(QList<QVariant>{"video_mode", 0});
207 mode_submenu.addSeparator();
208 mode_submenu.addAction(action);
211 mode_submenu.setTitle("Input mode");
212 menu.addMenu(&mode_submenu);
214 // --- End of card-dependent choices ---
216 // Add an audio source selector.
217 QAction *audio_source_action = new QAction("Use as audio source", &menu);
218 audio_source_action->setCheckable(true);
219 if (global_mixer->get_audio_source() == signal_num) {
220 audio_source_action->setChecked(true);
221 audio_source_action->setEnabled(false);
223 menu.addAction(audio_source_action);
225 // And a master clock selector.
226 QAction *master_clock_action = new QAction("Use as master clock", &menu);
227 master_clock_action->setCheckable(true);
228 if (global_mixer->get_master_clock() == signal_num) {
229 master_clock_action->setChecked(true);
230 master_clock_action->setEnabled(false);
232 menu.addAction(master_clock_action);
234 // Show the menu and look at the result.
235 QAction *selected_item = menu.exec(global_pos);
236 if (selected_item == audio_source_action) {
237 global_mixer->set_audio_source(signal_num);
238 } else if (selected_item == master_clock_action) {
239 global_mixer->set_master_clock(signal_num);
240 } else if (selected_item != nullptr) {
241 QList<QVariant> selected = selected_item->data().toList();
242 if (selected[0].toString() == "video_mode") {
243 uint32_t mode = selected[1].toUInt(nullptr);
244 if (mode == 0 && !has_auto_mode) {
245 global_mixer->start_mode_scanning(current_card);
247 global_mixer->set_video_mode(current_card, mode);
249 } else if (selected[0].toString() == "video_input") {
250 uint32_t input = selected[1].toUInt(nullptr);
251 global_mixer->set_video_input(current_card, input);
252 } else if (selected[0].toString() == "audio_input") {
253 uint32_t input = selected[1].toUInt(nullptr);
254 global_mixer->set_audio_input(current_card, input);
255 } else if (selected[0].toString() == "card") {
256 unsigned card_index = selected[1].toUInt(nullptr);
257 global_mixer->set_signal_mapping(signal_num, card_index);