git.sesse.net Git - nageru/blob - glwidget.cpp

   1 #include "glwidget.h"
   2
   3 #include <assert.h>
   4 #include <bmusb/bmusb.h>
   5 #include <movit/effect_chain.h>
   6 #include <movit/resource_pool.h>
   7 #include <stdbool.h>
   8 #include <stdint.h>
   9 #include <QAction>
  10 #include <QActionGroup>
  11 #include <QList>
  12 #include <QMenu>
  13 #include <QPoint>
  14 #include <QVariant>
  15 #include <QWidget>
  16 #include <functional>
  17 #include <map>
  18 #include <mutex>
  19 #include <utility>
  20
  21 #include "audio_mixer.h"
  22 #include "context.h"
  23 #include "context_menus.h"
  24 #include "flags.h"
  25 #include "mainwindow.h"
  26 #include "mixer.h"
  27 #include "ref_counted_gl_sync.h"
  28
  29 class QMouseEvent;
  30
  31 #undef Success
  32 #include <movit/util.h>
  33 #include <string>
  34
  35
  36 using namespace movit;
  37 using namespace std;
  38 using namespace std::placeholders;
  39
  40 GLWidget::GLWidget(QWidget *parent)
  41     : QGLWidget(parent, global_share_widget)
  42 {
  43 }
  44
  45 GLWidget::~GLWidget()
  46 {
  47 }
  48
  49 void GLWidget::shutdown()
  50 {
  51         if (resource_pool != nullptr) {
  52                 makeCurrent();
  53                 resource_pool->clean_context();
  54         }
  55         global_mixer->remove_frame_ready_callback(output, this);
  56 }
  57
  58 void GLWidget::initializeGL()
  59 {
  60         static once_flag flag;
  61         call_once(flag, [this]{
  62                 global_mixer = new Mixer(QGLFormat::toSurfaceFormat(format()), global_flags.num_cards);
  63                 global_audio_mixer = global_mixer->get_audio_mixer();
  64                 global_mainwindow->mixer_created(global_mixer);
  65                 global_mixer->start();
  66         });
  67         global_mixer->add_frame_ready_callback(output, this, [this]{
  68                 QMetaObject::invokeMethod(this, "update", Qt::AutoConnection);
  69         });
  70         if (output == Mixer::OUTPUT_LIVE) {
  71                 global_mixer->set_transition_names_updated_callback(output, [this](const vector<string> &names){
  72                         emit transition_names_updated(names);
  73                 });
  74         }
  75         if (output >= Mixer::OUTPUT_INPUT0) {
  76                 global_mixer->set_name_updated_callback(output, [this](const string &name){
  77                         emit name_updated(output, name);
  78                 });
  79                 global_mixer->set_color_updated_callback(output, [this](const string &color){
  80                         emit color_updated(output, color);
  81                 });
  82         }
  83         setContextMenuPolicy(Qt::CustomContextMenu);
  84         connect(this, &QWidget::customContextMenuRequested, bind(&GLWidget::show_context_menu, this, _1));
  85
  86         glDisable(GL_BLEND);
  87         glDisable(GL_DEPTH_TEST);
  88         glDepthMask(GL_FALSE);
  89 }
  90
  91 void GLWidget::resizeGL(int width, int height)
  92 {
  93         glViewport(0, 0, width, height);
  94 }
  95
  96 void GLWidget::paintGL()
  97 {
  98         Mixer::DisplayFrame frame;
  99         if (!global_mixer->get_display_frame(output, &frame)) {
 100                 glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
 101                 check_error();
 102                 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 103                 check_error();
 104                 return;
 105         }
 106
 107         check_error();
 108         glWaitSync(frame.ready_fence.get(), /*flags=*/0, GL_TIMEOUT_IGNORED);
 109         check_error();
 110         frame.setup_chain();
 111         check_error();
 112         glDisable(GL_FRAMEBUFFER_SRGB);
 113         check_error();
 114         frame.chain->render_to_screen();
 115         check_error();
 116
 117         if (resource_pool == nullptr) {
 118                 resource_pool = frame.chain->get_resource_pool();
 119         } else {
 120                 assert(resource_pool == frame.chain->get_resource_pool());
 121         }
 122 }
 123
 124 void GLWidget::mousePressEvent(QMouseEvent *event)
 125 {
 126         emit clicked();
 127 }
 128
 129 void GLWidget::show_context_menu(const QPoint &pos)
 130 {
 131         if (output == Mixer::OUTPUT_LIVE) {
 132                 show_live_context_menu(pos);
 133         }
 134         if (output >= Mixer::OUTPUT_INPUT0) {
 135                 int signal_num = global_mixer->get_channel_signal(output);
 136                 show_preview_context_menu(signal_num, pos);
 137         }
 138 }
 139
 140 void GLWidget::show_live_context_menu(const QPoint &pos)
 141 {
 142         QPoint global_pos = mapToGlobal(pos);
 143
 144         QMenu menu;
 145
 146         // Add a submenu for selecting output card, with an action for each card.
 147         QMenu card_submenu;
 148         fill_hdmi_sdi_output_device_menu(&card_submenu);
 149         card_submenu.setTitle("HDMI/SDI output device");
 150         menu.addMenu(&card_submenu);
 151
 152         // Add a submenu for choosing the output resolution. Since this is
 153         // card-dependent, it is disabled if we haven't chosen a card
 154         // (but it's still there so that the user will know it exists).
 155         QMenu resolution_submenu;
 156         fill_hdmi_sdi_output_resolution_menu(&resolution_submenu);
 157         resolution_submenu.setTitle("HDMI/SDI output resolution");
 158         menu.addMenu(&resolution_submenu);
 159
 160         // Show the menu; if there's an action selected, it will deal with it itself.
 161         menu.exec(global_pos);
 162 }
 163
 164 void GLWidget::show_preview_context_menu(unsigned signal_num, const QPoint &pos)
 165 {
 166         QPoint global_pos = mapToGlobal(pos);
 167
 168         QMenu menu;
 169
 170         // Add a submenu for selecting input card, with an action for each card.
 171         QMenu card_submenu;
 172         QActionGroup card_group(&card_submenu);
 173
 174         unsigned num_cards = global_mixer->get_num_cards();
 175         unsigned current_card = global_mixer->map_signal(signal_num);
 176         for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
 177                 QString description(QString::fromStdString(global_mixer->get_card_description(card_index)));
 178                 QAction *action = new QAction(description, &card_group);
 179                 action->setCheckable(true);
 180                 if (current_card == card_index) {
 181                         action->setChecked(true);
 182                 }
 183                 action->setData(QList<QVariant>{"card", card_index});
 184                 card_submenu.addAction(action);
 185         }
 186
 187         card_submenu.setTitle("Input source");
 188         menu.addMenu(&card_submenu);
 189
 190         // Note that this setting depends on which card is active.
 191         // TODO: Consider hiding this for BGRA sources.
 192
 193         QMenu interpretation_submenu;
 194         QActionGroup interpretation_group(&interpretation_submenu);
 195
 196         YCbCrInterpretation current_interpretation = global_mixer->get_input_ycbcr_interpretation(current_card);
 197         {
 198                 QAction *action = new QAction("Auto", &interpretation_group);
 199                 action->setCheckable(true);
 200                 if (current_interpretation.ycbcr_coefficients_auto) {
 201                         action->setChecked(true);
 202                 }
 203                 action->setData(QList<QVariant>{"interpretation", true, YCBCR_REC_709, false});
 204                 interpretation_submenu.addAction(action);
 205         }
 206         for (YCbCrLumaCoefficients ycbcr_coefficients : { YCBCR_REC_709, YCBCR_REC_601 }) {
 207                 for (bool full_range : { false, true }) {
 208                         std::string description;
 209                         if (ycbcr_coefficients == YCBCR_REC_709) {
 210                                 description = "Rec. 709 (HD)";
 211                         } else {
 212                                 description = "Rec. 601 (SD)";
 213                         }
 214                         if (full_range) {
 215                                 description += ", full range (nonstandard)";
 216                         }
 217                         QAction *action = new QAction(QString::fromStdString(description), &interpretation_group);
 218                         action->setCheckable(true);
 219                         if (!current_interpretation.ycbcr_coefficients_auto &&
 220                             ycbcr_coefficients == current_interpretation.ycbcr_coefficients &&
 221                             full_range == current_interpretation.full_range) {
 222                                 action->setChecked(true);
 223                         }
 224                         action->setData(QList<QVariant>{"interpretation", false, ycbcr_coefficients, full_range});
 225                         interpretation_submenu.addAction(action);
 226                 }
 227         }
 228
 229         interpretation_submenu.setTitle("Input interpretation");
 230         menu.addMenu(&interpretation_submenu);
 231
 232         // --- The choices in the next few options depend a lot on which card is active ---
 233
 234         // Add a submenu for selecting video input, with an action for each input.
 235         QMenu video_input_submenu;
 236         QActionGroup video_input_group(&video_input_submenu);
 237         std::map<uint32_t, string> video_inputs = global_mixer->get_available_video_inputs(current_card);
 238         uint32_t current_video_input = global_mixer->get_current_video_input(current_card);
 239         for (const auto &mode : video_inputs) {
 240                 QString description(QString::fromStdString(mode.second));
 241                 QAction *action = new QAction(description, &video_input_group);
 242                 action->setCheckable(true);
 243                 if (mode.first == current_video_input) {
 244                         action->setChecked(true);
 245                 }
 246                 action->setData(QList<QVariant>{"video_input", mode.first});
 247                 video_input_submenu.addAction(action);
 248         }
 249
 250         video_input_submenu.setTitle("Video input");
 251         menu.addMenu(&video_input_submenu);
 252
 253         // The same for audio input.
 254         QMenu audio_input_submenu;
 255         QActionGroup audio_input_group(&audio_input_submenu);
 256         std::map<uint32_t, string> audio_inputs = global_mixer->get_available_audio_inputs(current_card);
 257         uint32_t current_audio_input = global_mixer->get_current_audio_input(current_card);
 258         for (const auto &mode : audio_inputs) {
 259                 QString description(QString::fromStdString(mode.second));
 260                 QAction *action = new QAction(description, &audio_input_group);
 261                 action->setCheckable(true);
 262                 if (mode.first == current_audio_input) {
 263                         action->setChecked(true);
 264                 }
 265                 action->setData(QList<QVariant>{"audio_input", mode.first});
 266                 audio_input_submenu.addAction(action);
 267         }
 268
 269         audio_input_submenu.setTitle("Audio input");
 270         menu.addMenu(&audio_input_submenu);
 271
 272         // The same for resolution.
 273         QMenu mode_submenu;
 274         QActionGroup mode_group(&mode_submenu);
 275         std::map<uint32_t, bmusb::VideoMode> video_modes = global_mixer->get_available_video_modes(current_card);
 276         uint32_t current_video_mode = global_mixer->get_current_video_mode(current_card);
 277         bool has_auto_mode = false;
 278         for (const auto &mode : video_modes) {
 279                 QString description(QString::fromStdString(mode.second.name));
 280                 QAction *action = new QAction(description, &mode_group);
 281                 action->setCheckable(true);
 282                 if (mode.first == current_video_mode) {
 283                         action->setChecked(true);
 284                 }
 285                 action->setData(QList<QVariant>{"video_mode", mode.first});
 286                 mode_submenu.addAction(action);
 287
 288                 // TODO: Relying on the 0 value here (from bmusb.h) is ugly, it should be a named constant.
 289                 if (mode.first == 0) {
 290                         has_auto_mode = true;
 291                 }
 292         }
 293
 294         // Add a “scan” menu if there's no “auto” mode.
 295         if (!has_auto_mode) {
 296                 QAction *action = new QAction("Scan", &mode_group);
 297                 action->setData(QList<QVariant>{"video_mode", 0});
 298                 mode_submenu.addSeparator();
 299                 mode_submenu.addAction(action);
 300         }
 301
 302         mode_submenu.setTitle("Input mode");
 303         menu.addMenu(&mode_submenu);
 304
 305         // --- End of card-dependent choices ---
 306
 307         // Add an audio source selector.
 308         QAction *audio_source_action = nullptr;
 309         if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
 310                 audio_source_action = new QAction("Use as audio source", &menu);
 311                 audio_source_action->setCheckable(true);
 312                 if (global_audio_mixer->get_simple_input() == signal_num) {
 313                         audio_source_action->setChecked(true);
 314                         audio_source_action->setEnabled(false);
 315                 }
 316                 menu.addAction(audio_source_action);
 317         }
 318
 319         // And a master clock selector.
 320         QAction *master_clock_action = new QAction("Use as master clock", &menu);
 321         master_clock_action->setCheckable(true);
 322         if (global_mixer->get_output_card_index() != -1) {
 323                 master_clock_action->setChecked(false);
 324                 master_clock_action->setEnabled(false);
 325         } else if (global_mixer->get_master_clock() == signal_num) {
 326                 master_clock_action->setChecked(true);
 327                 master_clock_action->setEnabled(false);
 328         }
 329         menu.addAction(master_clock_action);
 330
 331         // Show the menu and look at the result.
 332         QAction *selected_item = menu.exec(global_pos);
 333         if (audio_source_action != nullptr && selected_item == audio_source_action) {
 334                 global_audio_mixer->set_simple_input(signal_num);
 335         } else if (selected_item == master_clock_action) {
 336                 global_mixer->set_master_clock(signal_num);
 337         } else if (selected_item != nullptr) {
 338                 QList<QVariant> selected = selected_item->data().toList();
 339                 if (selected[0].toString() == "video_mode") {
 340                         uint32_t mode = selected[1].toUInt(nullptr);
 341                         if (mode == 0 && !has_auto_mode) {
 342                                 global_mixer->start_mode_scanning(current_card);
 343                         } else {
 344                                 global_mixer->set_video_mode(current_card, mode);
 345                         }
 346                 } else if (selected[0].toString() == "video_input") {
 347                         uint32_t input = selected[1].toUInt(nullptr);
 348                         global_mixer->set_video_input(current_card, input);
 349                 } else if (selected[0].toString() == "audio_input") {
 350                         uint32_t input = selected[1].toUInt(nullptr);
 351                         global_mixer->set_audio_input(current_card, input);
 352                 } else if (selected[0].toString() == "card") {
 353                         unsigned card_index = selected[1].toUInt(nullptr);
 354                         global_mixer->set_signal_mapping(signal_num, card_index);
 355                 } else if (selected[0].toString() == "interpretation") {
 356                         YCbCrInterpretation interpretation;
 357                         interpretation.ycbcr_coefficients_auto = selected[1].toBool();
 358                         interpretation.ycbcr_coefficients = YCbCrLumaCoefficients(selected[2].toUInt(nullptr));
 359                         interpretation.full_range = selected[3].toBool();
 360                         global_mixer->set_input_ycbcr_interpretation(current_card, interpretation);
 361                 } else {
 362                         assert(false);
 363                 }
 364         }
 365 }