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 <QInputDialog>
  12 #include <QList>
  13 #include <QMenu>
  14 #include <QPoint>
  15 #include <QVariant>
  16 #include <QWidget>
  17 #include <functional>
  18 #include <map>
  19 #include <mutex>
  20 #include <utility>
  21
  22 #include "audio_mixer.h"
  23 #include "context.h"
  24 #include "context_menus.h"
  25 #include "flags.h"
  26 #include "mainwindow.h"
  27 #include "mixer.h"
  28 #include "ref_counted_gl_sync.h"
  29
  30 class QMouseEvent;
  31
  32 #undef Success
  33 #include <movit/util.h>
  34 #include <string>
  35
  36
  37 using namespace movit;
  38 using namespace std;
  39 using namespace std::placeholders;
  40
  41 GLWidget::GLWidget(QWidget *parent)
  42     : QGLWidget(parent, global_share_widget)
  43 {
  44 }
  45
  46 GLWidget::~GLWidget()
  47 {
  48 }
  49
  50 void GLWidget::shutdown()
  51 {
  52         if (resource_pool != nullptr) {
  53                 makeCurrent();
  54                 resource_pool->clean_context();
  55         }
  56         global_mixer->remove_frame_ready_callback(output, this);
  57 }
  58
  59 void GLWidget::initializeGL()
  60 {
  61         static once_flag flag;
  62         call_once(flag, [this]{
  63                 global_mixer = new Mixer(QGLFormat::toSurfaceFormat(format()), global_flags.num_cards);
  64                 global_audio_mixer = global_mixer->get_audio_mixer();
  65                 global_mainwindow->mixer_created(global_mixer);
  66                 global_mixer->start();
  67         });
  68         global_mixer->add_frame_ready_callback(output, this, [this]{
  69                 QMetaObject::invokeMethod(this, "update", Qt::AutoConnection);
  70         });
  71         if (output == Mixer::OUTPUT_LIVE) {
  72                 global_mixer->set_transition_names_updated_callback(output, [this](const vector<string> &names){
  73                         emit transition_names_updated(names);
  74                 });
  75         }
  76         if (output >= Mixer::OUTPUT_INPUT0) {
  77                 global_mixer->set_name_updated_callback(output, [this](const string &name){
  78                         emit name_updated(output, name);
  79                 });
  80                 global_mixer->set_color_updated_callback(output, [this](const string &color){
  81                         emit color_updated(output, color);
  82                 });
  83         }
  84         setContextMenuPolicy(Qt::CustomContextMenu);
  85         connect(this, &QWidget::customContextMenuRequested, bind(&GLWidget::show_context_menu, this, _1));
  86
  87         glDisable(GL_BLEND);
  88         glDisable(GL_DEPTH_TEST);
  89         glDepthMask(GL_FALSE);
  90 }
  91
  92 void GLWidget::resizeGL(int width, int height)
  93 {
  94         current_width = width;
  95         current_height = height;
  96         glViewport(0, 0, width, height);
  97 }
  98
  99 void GLWidget::paintGL()
 100 {
 101         Mixer::DisplayFrame frame;
 102         if (!global_mixer->get_display_frame(output, &frame)) {
 103                 glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
 104                 check_error();
 105                 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 106                 check_error();
 107                 return;
 108         }
 109
 110         check_error();
 111         glWaitSync(frame.ready_fence.get(), /*flags=*/0, GL_TIMEOUT_IGNORED);
 112         check_error();
 113         frame.setup_chain();
 114         check_error();
 115         glDisable(GL_FRAMEBUFFER_SRGB);
 116         check_error();
 117         frame.chain->render_to_fbo(0, current_width, current_height);
 118         check_error();
 119
 120         if (resource_pool == nullptr) {
 121                 resource_pool = frame.chain->get_resource_pool();
 122         } else {
 123                 assert(resource_pool == frame.chain->get_resource_pool());
 124         }
 125 }
 126
 127 void GLWidget::mousePressEvent(QMouseEvent *event)
 128 {
 129         emit clicked();
 130 }
 131
 132 void GLWidget::show_context_menu(const QPoint &pos)
 133 {
 134         if (output == Mixer::OUTPUT_LIVE) {
 135                 show_live_context_menu(pos);
 136         }
 137         if (output >= Mixer::OUTPUT_INPUT0) {
 138                 int signal_num = global_mixer->get_channel_signal(output);
 139                 if (signal_num != -1) {
 140                         show_preview_context_menu(signal_num, pos);
 141                 }
 142         }
 143 }
 144
 145 void GLWidget::show_live_context_menu(const QPoint &pos)
 146 {
 147         QPoint global_pos = mapToGlobal(pos);
 148
 149         QMenu menu;
 150
 151         // Add a submenu for selecting output card, with an action for each card.
 152         QMenu card_submenu;
 153         fill_hdmi_sdi_output_device_menu(&card_submenu);
 154         card_submenu.setTitle("HDMI/SDI output device");
 155         menu.addMenu(&card_submenu);
 156
 157         // Add a submenu for choosing the output resolution. Since this is
 158         // card-dependent, it is disabled if we haven't chosen a card
 159         // (but it's still there so that the user will know it exists).
 160         QMenu resolution_submenu;
 161         fill_hdmi_sdi_output_resolution_menu(&resolution_submenu);
 162         resolution_submenu.setTitle("HDMI/SDI output resolution");
 163         menu.addMenu(&resolution_submenu);
 164
 165         // Show the menu; if there's an action selected, it will deal with it itself.
 166         menu.exec(global_pos);
 167 }
 168
 169 void GLWidget::show_preview_context_menu(unsigned signal_num, const QPoint &pos)
 170 {
 171         QPoint global_pos = mapToGlobal(pos);
 172
 173         QMenu menu;
 174
 175         // Add a submenu for selecting input card, with an action for each card.
 176         QMenu card_submenu;
 177         QActionGroup card_group(&card_submenu);
 178
 179         QMenu interpretation_submenu;
 180         QActionGroup interpretation_group(&interpretation_submenu);
 181
 182         QMenu video_input_submenu;
 183         QActionGroup video_input_group(&video_input_submenu);
 184
 185         QMenu audio_input_submenu;
 186         QActionGroup audio_input_group(&audio_input_submenu);
 187
 188         QMenu mode_submenu;
 189         QActionGroup mode_group(&mode_submenu);
 190
 191         unsigned num_cards = global_mixer->get_num_cards();
 192         unsigned current_card = global_mixer->map_signal(signal_num);
 193         bool is_ffmpeg = global_mixer->card_is_ffmpeg(current_card);
 194
 195         if (!is_ffmpeg) {  // FFmpeg inputs are not connected to any card; they're locked to a given input and have a given Y'CbCr interpretatio and have a given Y'CbCr interpretationn.
 196                 for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
 197                         QString description(QString::fromStdString(global_mixer->get_card_description(card_index)));
 198                         QAction *action = new QAction(description, &card_group);
 199                         action->setCheckable(true);
 200                         if (current_card == card_index) {
 201                                 action->setChecked(true);
 202                         }
 203                         action->setData(QList<QVariant>{"card", card_index});
 204                         card_submenu.addAction(action);
 205                 }
 206
 207                 card_submenu.setTitle("Input source");
 208                 menu.addMenu(&card_submenu);
 209
 210                 // Note that this setting depends on which card is active.
 211
 212                 YCbCrInterpretation current_interpretation = global_mixer->get_input_ycbcr_interpretation(current_card);
 213                 {
 214                         QAction *action = new QAction("Auto", &interpretation_group);
 215                         action->setCheckable(true);
 216                         if (current_interpretation.ycbcr_coefficients_auto) {
 217                                 action->setChecked(true);
 218                         }
 219                         action->setData(QList<QVariant>{"interpretation", true, YCBCR_REC_709, false});
 220                         interpretation_submenu.addAction(action);
 221                 }
 222                 for (YCbCrLumaCoefficients ycbcr_coefficients : { YCBCR_REC_709, YCBCR_REC_601 }) {
 223                         for (bool full_range : { false, true }) {
 224                                 std::string description;
 225                                 if (ycbcr_coefficients == YCBCR_REC_709) {
 226                                         description = "Rec. 709 (HD)";
 227                                 } else {
 228                                         description = "Rec. 601 (SD)";
 229                                 }
 230                                 if (full_range) {
 231                                         description += ", full range (nonstandard)";
 232                                 }
 233                                 QAction *action = new QAction(QString::fromStdString(description), &interpretation_group);
 234                                 action->setCheckable(true);
 235                                 if (!current_interpretation.ycbcr_coefficients_auto &&
 236                                     ycbcr_coefficients == current_interpretation.ycbcr_coefficients &&
 237                                     full_range == current_interpretation.full_range) {
 238                                         action->setChecked(true);
 239                                 }
 240                                 action->setData(QList<QVariant>{"interpretation", false, ycbcr_coefficients, full_range});
 241                                 interpretation_submenu.addAction(action);
 242                         }
 243                 }
 244
 245                 interpretation_submenu.setTitle("Input interpretation");
 246                 menu.addMenu(&interpretation_submenu);
 247         }
 248
 249         // --- The choices in the next few options depend a lot on which card is active ---
 250
 251         bool has_auto_mode = false;
 252         QAction *change_url_action = nullptr;
 253         if (is_ffmpeg) {
 254                 // Add a menu to change the source URL if we're an FFmpeg card.
 255                 // (The theme can still override.)
 256                 if (global_mixer->card_is_ffmpeg(current_card)) {
 257                         change_url_action = new QAction("Change source filename/URL…", &menu);
 258                         menu.addAction(change_url_action);
 259                 }
 260         } else {
 261                 // Add a submenu for selecting video input, with an action for each input.
 262                 std::map<uint32_t, string> video_inputs = global_mixer->get_available_video_inputs(current_card);
 263                 uint32_t current_video_input = global_mixer->get_current_video_input(current_card);
 264                 for (const auto &mode : video_inputs) {
 265                         QString description(QString::fromStdString(mode.second));
 266                         QAction *action = new QAction(description, &video_input_group);
 267                         action->setCheckable(true);
 268                         if (mode.first == current_video_input) {
 269                                 action->setChecked(true);
 270                         }
 271                         action->setData(QList<QVariant>{"video_input", mode.first});
 272                         video_input_submenu.addAction(action);
 273                 }
 274
 275                 video_input_submenu.setTitle("Video input");
 276                 menu.addMenu(&video_input_submenu);
 277
 278                 // The same for audio input.
 279                 std::map<uint32_t, string> audio_inputs = global_mixer->get_available_audio_inputs(current_card);
 280                 uint32_t current_audio_input = global_mixer->get_current_audio_input(current_card);
 281                 for (const auto &mode : audio_inputs) {
 282                         QString description(QString::fromStdString(mode.second));
 283                         QAction *action = new QAction(description, &audio_input_group);
 284                         action->setCheckable(true);
 285                         if (mode.first == current_audio_input) {
 286                                 action->setChecked(true);
 287                         }
 288                         action->setData(QList<QVariant>{"audio_input", mode.first});
 289                         audio_input_submenu.addAction(action);
 290                 }
 291
 292                 audio_input_submenu.setTitle("Audio input");
 293                 menu.addMenu(&audio_input_submenu);
 294
 295                 // The same for resolution.
 296                 std::map<uint32_t, bmusb::VideoMode> video_modes = global_mixer->get_available_video_modes(current_card);
 297                 uint32_t current_video_mode = global_mixer->get_current_video_mode(current_card);
 298                 for (const auto &mode : video_modes) {
 299                         QString description(QString::fromStdString(mode.second.name));
 300                         QAction *action = new QAction(description, &mode_group);
 301                         action->setCheckable(true);
 302                         if (mode.first == current_video_mode) {
 303                                 action->setChecked(true);
 304                         }
 305                         action->setData(QList<QVariant>{"video_mode", mode.first});
 306                         mode_submenu.addAction(action);
 307
 308                         // TODO: Relying on the 0 value here (from bmusb.h) is ugly, it should be a named constant.
 309                         if (mode.first == 0) {
 310                                 has_auto_mode = true;
 311                         }
 312                 }
 313
 314                 // Add a “scan” menu if there's no “auto” mode.
 315                 if (!has_auto_mode) {
 316                         QAction *action = new QAction("Scan", &mode_group);
 317                         action->setData(QList<QVariant>{"video_mode", 0});
 318                         mode_submenu.addSeparator();
 319                         mode_submenu.addAction(action);
 320                 }
 321
 322                 mode_submenu.setTitle("Input mode");
 323                 menu.addMenu(&mode_submenu);
 324         }
 325
 326         // --- End of card-dependent choices ---
 327
 328         // Add an audio source selector.
 329         QAction *audio_source_action = nullptr;
 330         if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
 331                 audio_source_action = new QAction("Use as audio source", &menu);
 332                 audio_source_action->setCheckable(true);
 333                 if (global_audio_mixer->get_simple_input() == current_card) {
 334                         audio_source_action->setChecked(true);
 335                         audio_source_action->setEnabled(false);
 336                 }
 337                 menu.addAction(audio_source_action);
 338         }
 339
 340         // And a master clock selector.
 341         QAction *master_clock_action = new QAction("Use as master clock", &menu);
 342         master_clock_action->setCheckable(true);
 343         if (global_mixer->get_output_card_index() != -1) {
 344                 master_clock_action->setChecked(false);
 345                 master_clock_action->setEnabled(false);
 346         } else if (global_mixer->get_master_clock() == signal_num) {
 347                 master_clock_action->setChecked(true);
 348                 master_clock_action->setEnabled(false);
 349         }
 350         menu.addAction(master_clock_action);
 351
 352         // Show the menu and look at the result.
 353         QAction *selected_item = menu.exec(global_pos);
 354         if (audio_source_action != nullptr && selected_item == audio_source_action) {
 355                 global_audio_mixer->set_simple_input(current_card);
 356         } else if (change_url_action != nullptr && selected_item == change_url_action) {
 357                 // NOTE: We can't use “this” as parent, since the dialog would inherit our style sheet.
 358                 bool ok;
 359                 const string url = global_mixer->get_ffmpeg_filename(current_card);
 360                 QString new_url = QInputDialog::getText(window(), tr("Change URL"),
 361                         tr("Enter new filename/URL for the given video input:"), QLineEdit::Normal,
 362                                 QString::fromStdString(url), &ok);
 363                 // FIXME prefill the input
 364                 if (ok) {
 365                         global_mixer->set_ffmpeg_filename(current_card, new_url.toStdString());
 366                 }
 367         } else if (selected_item == master_clock_action) {
 368                 global_mixer->set_master_clock(signal_num);
 369         } else if (selected_item != nullptr) {
 370                 QList<QVariant> selected = selected_item->data().toList();
 371                 if (selected[0].toString() == "video_mode") {
 372                         uint32_t mode = selected[1].toUInt(nullptr);
 373                         if (mode == 0 && !has_auto_mode) {
 374                                 global_mixer->start_mode_scanning(current_card);
 375                         } else {
 376                                 global_mixer->set_video_mode(current_card, mode);
 377                         }
 378                 } else if (selected[0].toString() == "video_input") {
 379                         uint32_t input = selected[1].toUInt(nullptr);
 380                         global_mixer->set_video_input(current_card, input);
 381                 } else if (selected[0].toString() == "audio_input") {
 382                         uint32_t input = selected[1].toUInt(nullptr);
 383                         global_mixer->set_audio_input(current_card, input);
 384                 } else if (selected[0].toString() == "card") {
 385                         unsigned card_index = selected[1].toUInt(nullptr);
 386                         global_mixer->set_signal_mapping(signal_num, card_index);
 387                 } else if (selected[0].toString() == "interpretation") {
 388                         YCbCrInterpretation interpretation;
 389                         interpretation.ycbcr_coefficients_auto = selected[1].toBool();
 390                         interpretation.ycbcr_coefficients = YCbCrLumaCoefficients(selected[2].toUInt(nullptr));
 391                         interpretation.full_range = selected[3].toBool();
 392                         global_mixer->set_input_ycbcr_interpretation(current_card, interpretation);
 393                 } else {
 394                         assert(false);
 395                 }
 396         }
 397 }