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);
63 emit color_updated(output);
66 if (output >= Mixer::OUTPUT_INPUT0) {
67 int signal_num = global_mixer->get_channel_signal(output);
68 if (signal_num != -1) {
69 setContextMenuPolicy(Qt::CustomContextMenu);
70 connect(this, &QWidget::customContextMenuRequested,
71 bind(&GLWidget::show_context_menu, this, signal_num, _1));
76 glDisable(GL_DEPTH_TEST);
77 glDepthMask(GL_FALSE);
80 void GLWidget::resizeGL(int width, int height)
82 glViewport(0, 0, width, height);
85 void GLWidget::paintGL()
87 Mixer::DisplayFrame frame;
88 if (!global_mixer->get_display_frame(output, &frame)) {
89 glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
91 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
97 glWaitSync(frame.ready_fence.get(), /*flags=*/0, GL_TIMEOUT_IGNORED);
101 frame.chain->render_to_screen();
104 if (resource_pool == nullptr) {
105 resource_pool = frame.chain->get_resource_pool();
107 assert(resource_pool == frame.chain->get_resource_pool());
111 void GLWidget::mousePressEvent(QMouseEvent *event)
116 void GLWidget::show_context_menu(unsigned signal_num, const QPoint &pos)
118 QPoint global_pos = mapToGlobal(pos);
122 // Add a submenu for selecting input card, with an action for each card.
124 QActionGroup card_group(&card_submenu);
126 unsigned num_cards = global_mixer->get_num_cards();
127 unsigned current_card = global_mixer->map_signal(signal_num);
128 for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
129 QString description(QString::fromStdString(global_mixer->get_card_description(card_index)));
130 QAction *action = new QAction(description, &card_group);
131 action->setCheckable(true);
132 if (current_card == card_index) {
133 action->setChecked(true);
135 action->setData(QList<QVariant>{"card", card_index});
136 card_submenu.addAction(action);
139 card_submenu.setTitle("Input source");
140 menu.addMenu(&card_submenu);
142 // --- The choices in the next few options depend a lot on which card is active ---
144 // Add a submenu for selecting video input, with an action for each input.
145 QMenu video_input_submenu;
146 QActionGroup video_input_group(&video_input_submenu);
147 std::map<uint32_t, string> video_inputs = global_mixer->get_available_video_inputs(current_card);
148 uint32_t current_video_input = global_mixer->get_current_video_input(current_card);
149 for (const auto &mode : video_inputs) {
150 QString description(QString::fromStdString(mode.second));
151 QAction *action = new QAction(description, &video_input_group);
152 action->setCheckable(true);
153 if (mode.first == current_video_input) {
154 action->setChecked(true);
156 action->setData(QList<QVariant>{"video_input", mode.first});
157 video_input_submenu.addAction(action);
160 video_input_submenu.setTitle("Video input");
161 menu.addMenu(&video_input_submenu);
163 // The same for audio input.
164 QMenu audio_input_submenu;
165 QActionGroup audio_input_group(&audio_input_submenu);
166 std::map<uint32_t, string> audio_inputs = global_mixer->get_available_audio_inputs(current_card);
167 uint32_t current_audio_input = global_mixer->get_current_audio_input(current_card);
168 for (const auto &mode : audio_inputs) {
169 QString description(QString::fromStdString(mode.second));
170 QAction *action = new QAction(description, &audio_input_group);
171 action->setCheckable(true);
172 if (mode.first == current_audio_input) {
173 action->setChecked(true);
175 action->setData(QList<QVariant>{"audio_input", mode.first});
176 audio_input_submenu.addAction(action);
179 audio_input_submenu.setTitle("Audio input");
180 menu.addMenu(&audio_input_submenu);
182 // The same for resolution.
184 QActionGroup mode_group(&mode_submenu);
185 std::map<uint32_t, VideoMode> video_modes = global_mixer->get_available_video_modes(current_card);
186 uint32_t current_video_mode = global_mixer->get_current_video_mode(current_card);
187 bool has_auto_mode = false;
188 for (const auto &mode : video_modes) {
189 QString description(QString::fromStdString(mode.second.name));
190 QAction *action = new QAction(description, &mode_group);
191 action->setCheckable(true);
192 if (mode.first == current_video_mode) {
193 action->setChecked(true);
195 action->setData(QList<QVariant>{"video_mode", mode.first});
196 mode_submenu.addAction(action);
198 // TODO: Relying on the 0 value here (from bmusb.h) is ugly, it should be a named constant.
199 if (mode.first == 0) {
200 has_auto_mode = true;
204 // Add a “scan” menu if there's no “auto” mode.
205 if (!has_auto_mode) {
206 QAction *action = new QAction("Scan", &mode_group);
207 action->setData(QList<QVariant>{"video_mode", 0});
208 mode_submenu.addSeparator();
209 mode_submenu.addAction(action);
212 mode_submenu.setTitle("Input mode");
213 menu.addMenu(&mode_submenu);
215 // --- End of card-dependent choices ---
217 // Add an audio source selector.
218 QAction *audio_source_action = new QAction("Use as audio source", &menu);
219 audio_source_action->setCheckable(true);
220 if (global_mixer->get_audio_source() == signal_num) {
221 audio_source_action->setChecked(true);
222 audio_source_action->setEnabled(false);
224 menu.addAction(audio_source_action);
226 // And a master clock selector.
227 QAction *master_clock_action = new QAction("Use as master clock", &menu);
228 master_clock_action->setCheckable(true);
229 if (global_mixer->get_master_clock() == signal_num) {
230 master_clock_action->setChecked(true);
231 master_clock_action->setEnabled(false);
233 menu.addAction(master_clock_action);
235 // Show the menu and look at the result.
236 QAction *selected_item = menu.exec(global_pos);
237 if (selected_item == audio_source_action) {
238 global_mixer->set_audio_source(signal_num);
239 } else if (selected_item == master_clock_action) {
240 global_mixer->set_master_clock(signal_num);
241 } else if (selected_item != nullptr) {
242 QList<QVariant> selected = selected_item->data().toList();
243 if (selected[0].toString() == "video_mode") {
244 uint32_t mode = selected[1].toUInt(nullptr);
245 if (mode == 0 && !has_auto_mode) {
246 global_mixer->start_mode_scanning(current_card);
248 global_mixer->set_video_mode(current_card, mode);
250 } else if (selected[0].toString() == "video_input") {
251 uint32_t input = selected[1].toUInt(nullptr);
252 global_mixer->set_video_input(current_card, input);
253 } else if (selected[0].toString() == "audio_input") {
254 uint32_t input = selected[1].toUInt(nullptr);
255 global_mixer->set_audio_input(current_card, input);
256 } else if (selected[0].toString() == "card") {
257 unsigned card_index = selected[1].toUInt(nullptr);
258 global_mixer->set_signal_mapping(signal_num, card_index);