#include <stdint.h>
#include <QAction>
#include <QActionGroup>
+#include <QInputDialog>
#include <QList>
#include <QMenu>
#include <QPoint>
#include <movit/util.h>
#include <string>
-
using namespace movit;
using namespace std;
using namespace std::placeholders;
+namespace {
+
+double srgb_to_linear(double x)
+{
+ if (x < 0.04045) {
+ return x / 12.92;
+ } else {
+ return pow((x + 0.055) / 1.055, 2.4);
+ }
+}
+
+} // namespace
+
GLWidget::GLWidget(QWidget *parent)
: QGLWidget(parent, global_share_widget)
{
global_mixer->remove_frame_ready_callback(output, this);
}
+void GLWidget::grab_white_balance(unsigned channel, unsigned x, unsigned y)
+{
+ // Set the white balance to neutral for the grab. It's probably going to
+ // flicker a bit, but hopefully this display is not live anyway.
+ global_mixer->set_wb(output, 0.5, 0.5, 0.5);
+ global_mixer->wait_for_next_frame();
+
+ // Mark that the next paintGL() should grab the given pixel.
+ grab_x = x;
+ grab_y = y;
+ grab_output = Mixer::Output(Mixer::OUTPUT_INPUT0 + channel);
+ should_grab = true;
+
+ updateGL();
+}
+
void GLWidget::initializeGL()
{
static once_flag flag;
} else {
assert(resource_pool == frame.chain->get_resource_pool());
}
+
+ if (should_grab) {
+ GLfloat reference_color[4];
+ glReadPixels(grab_x, current_height - grab_y - 1, 1, 1, GL_BGRA, GL_FLOAT, reference_color);
+
+ double r = srgb_to_linear(reference_color[2]);
+ double g = srgb_to_linear(reference_color[1]);
+ double b = srgb_to_linear(reference_color[0]);
+ global_mixer->set_wb(grab_output, r, g, b);
+ should_grab = false;
+ }
}
void GLWidget::mousePressEvent(QMouseEvent *event)
QMenu card_submenu;
QActionGroup card_group(&card_submenu);
+ QMenu interpretation_submenu;
+ QActionGroup interpretation_group(&interpretation_submenu);
+
+ QMenu video_input_submenu;
+ QActionGroup video_input_group(&video_input_submenu);
+
+ QMenu audio_input_submenu;
+ QActionGroup audio_input_group(&audio_input_submenu);
+
+ QMenu mode_submenu;
+ QActionGroup mode_group(&mode_submenu);
+
unsigned num_cards = global_mixer->get_num_cards();
unsigned current_card = global_mixer->map_signal(signal_num);
- for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
- QString description(QString::fromStdString(global_mixer->get_card_description(card_index)));
- QAction *action = new QAction(description, &card_group);
- action->setCheckable(true);
- if (current_card == card_index) {
- action->setChecked(true);
- }
- action->setData(QList<QVariant>{"card", card_index});
- card_submenu.addAction(action);
- }
+ bool is_ffmpeg = global_mixer->card_is_ffmpeg(current_card);
- card_submenu.setTitle("Input source");
- menu.addMenu(&card_submenu);
+ 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.
+ for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
+ QString description(QString::fromStdString(global_mixer->get_card_description(card_index)));
+ QAction *action = new QAction(description, &card_group);
+ action->setCheckable(true);
+ if (current_card == card_index) {
+ action->setChecked(true);
+ }
+ action->setData(QList<QVariant>{"card", card_index});
+ card_submenu.addAction(action);
+ }
- // Note that this setting depends on which card is active.
- // TODO: Consider hiding this for BGRA sources.
+ card_submenu.setTitle("Input source");
+ menu.addMenu(&card_submenu);
- QMenu interpretation_submenu;
- QActionGroup interpretation_group(&interpretation_submenu);
+ // Note that this setting depends on which card is active.
- YCbCrInterpretation current_interpretation = global_mixer->get_input_ycbcr_interpretation(current_card);
- {
- QAction *action = new QAction("Auto", &interpretation_group);
- action->setCheckable(true);
- if (current_interpretation.ycbcr_coefficients_auto) {
- action->setChecked(true);
- }
- action->setData(QList<QVariant>{"interpretation", true, YCBCR_REC_709, false});
- interpretation_submenu.addAction(action);
- }
- for (YCbCrLumaCoefficients ycbcr_coefficients : { YCBCR_REC_709, YCBCR_REC_601 }) {
- for (bool full_range : { false, true }) {
- std::string description;
- if (ycbcr_coefficients == YCBCR_REC_709) {
- description = "Rec. 709 (HD)";
- } else {
- description = "Rec. 601 (SD)";
- }
- if (full_range) {
- description += ", full range (nonstandard)";
- }
- QAction *action = new QAction(QString::fromStdString(description), &interpretation_group);
+ YCbCrInterpretation current_interpretation = global_mixer->get_input_ycbcr_interpretation(current_card);
+ {
+ QAction *action = new QAction("Auto", &interpretation_group);
action->setCheckable(true);
- if (!current_interpretation.ycbcr_coefficients_auto &&
- ycbcr_coefficients == current_interpretation.ycbcr_coefficients &&
- full_range == current_interpretation.full_range) {
+ if (current_interpretation.ycbcr_coefficients_auto) {
action->setChecked(true);
}
- action->setData(QList<QVariant>{"interpretation", false, ycbcr_coefficients, full_range});
+ action->setData(QList<QVariant>{"interpretation", true, YCBCR_REC_709, false});
interpretation_submenu.addAction(action);
}
- }
+ for (YCbCrLumaCoefficients ycbcr_coefficients : { YCBCR_REC_709, YCBCR_REC_601 }) {
+ for (bool full_range : { false, true }) {
+ std::string description;
+ if (ycbcr_coefficients == YCBCR_REC_709) {
+ description = "Rec. 709 (HD)";
+ } else {
+ description = "Rec. 601 (SD)";
+ }
+ if (full_range) {
+ description += ", full range (nonstandard)";
+ }
+ QAction *action = new QAction(QString::fromStdString(description), &interpretation_group);
+ action->setCheckable(true);
+ if (!current_interpretation.ycbcr_coefficients_auto &&
+ ycbcr_coefficients == current_interpretation.ycbcr_coefficients &&
+ full_range == current_interpretation.full_range) {
+ action->setChecked(true);
+ }
+ action->setData(QList<QVariant>{"interpretation", false, ycbcr_coefficients, full_range});
+ interpretation_submenu.addAction(action);
+ }
+ }
- interpretation_submenu.setTitle("Input interpretation");
- menu.addMenu(&interpretation_submenu);
+ interpretation_submenu.setTitle("Input interpretation");
+ menu.addMenu(&interpretation_submenu);
+ }
// --- The choices in the next few options depend a lot on which card is active ---
- // Add a submenu for selecting video input, with an action for each input.
- QMenu video_input_submenu;
- QActionGroup video_input_group(&video_input_submenu);
- std::map<uint32_t, string> video_inputs = global_mixer->get_available_video_inputs(current_card);
- uint32_t current_video_input = global_mixer->get_current_video_input(current_card);
- for (const auto &mode : video_inputs) {
- QString description(QString::fromStdString(mode.second));
- QAction *action = new QAction(description, &video_input_group);
- action->setCheckable(true);
- if (mode.first == current_video_input) {
- action->setChecked(true);
+ bool has_auto_mode = false;
+ QAction *change_url_action = nullptr;
+ if (is_ffmpeg) {
+ // Add a menu to change the source URL if we're an FFmpeg card.
+ // (The theme can still override.)
+ if (global_mixer->card_is_ffmpeg(current_card)) {
+ change_url_action = new QAction("Change source filename/URL…", &menu);
+ menu.addAction(change_url_action);
+ }
+ } else {
+ // Add a submenu for selecting video input, with an action for each input.
+ std::map<uint32_t, string> video_inputs = global_mixer->get_available_video_inputs(current_card);
+ uint32_t current_video_input = global_mixer->get_current_video_input(current_card);
+ for (const auto &mode : video_inputs) {
+ QString description(QString::fromStdString(mode.second));
+ QAction *action = new QAction(description, &video_input_group);
+ action->setCheckable(true);
+ if (mode.first == current_video_input) {
+ action->setChecked(true);
+ }
+ action->setData(QList<QVariant>{"video_input", mode.first});
+ video_input_submenu.addAction(action);
}
- action->setData(QList<QVariant>{"video_input", mode.first});
- video_input_submenu.addAction(action);
- }
- video_input_submenu.setTitle("Video input");
- menu.addMenu(&video_input_submenu);
+ video_input_submenu.setTitle("Video input");
+ menu.addMenu(&video_input_submenu);
- // The same for audio input.
- QMenu audio_input_submenu;
- QActionGroup audio_input_group(&audio_input_submenu);
- std::map<uint32_t, string> audio_inputs = global_mixer->get_available_audio_inputs(current_card);
- uint32_t current_audio_input = global_mixer->get_current_audio_input(current_card);
- for (const auto &mode : audio_inputs) {
- QString description(QString::fromStdString(mode.second));
- QAction *action = new QAction(description, &audio_input_group);
- action->setCheckable(true);
- if (mode.first == current_audio_input) {
- action->setChecked(true);
+ // The same for audio input.
+ std::map<uint32_t, string> audio_inputs = global_mixer->get_available_audio_inputs(current_card);
+ uint32_t current_audio_input = global_mixer->get_current_audio_input(current_card);
+ for (const auto &mode : audio_inputs) {
+ QString description(QString::fromStdString(mode.second));
+ QAction *action = new QAction(description, &audio_input_group);
+ action->setCheckable(true);
+ if (mode.first == current_audio_input) {
+ action->setChecked(true);
+ }
+ action->setData(QList<QVariant>{"audio_input", mode.first});
+ audio_input_submenu.addAction(action);
}
- action->setData(QList<QVariant>{"audio_input", mode.first});
- audio_input_submenu.addAction(action);
- }
- audio_input_submenu.setTitle("Audio input");
- menu.addMenu(&audio_input_submenu);
+ audio_input_submenu.setTitle("Audio input");
+ menu.addMenu(&audio_input_submenu);
- // The same for resolution.
- QMenu mode_submenu;
- QActionGroup mode_group(&mode_submenu);
- std::map<uint32_t, bmusb::VideoMode> video_modes = global_mixer->get_available_video_modes(current_card);
- uint32_t current_video_mode = global_mixer->get_current_video_mode(current_card);
- bool has_auto_mode = false;
- for (const auto &mode : video_modes) {
- QString description(QString::fromStdString(mode.second.name));
- QAction *action = new QAction(description, &mode_group);
- action->setCheckable(true);
- if (mode.first == current_video_mode) {
- action->setChecked(true);
+ // The same for resolution.
+ std::map<uint32_t, bmusb::VideoMode> video_modes = global_mixer->get_available_video_modes(current_card);
+ uint32_t current_video_mode = global_mixer->get_current_video_mode(current_card);
+ for (const auto &mode : video_modes) {
+ QString description(QString::fromStdString(mode.second.name));
+ QAction *action = new QAction(description, &mode_group);
+ action->setCheckable(true);
+ if (mode.first == current_video_mode) {
+ action->setChecked(true);
+ }
+ action->setData(QList<QVariant>{"video_mode", mode.first});
+ mode_submenu.addAction(action);
+
+ // TODO: Relying on the 0 value here (from bmusb.h) is ugly, it should be a named constant.
+ if (mode.first == 0) {
+ has_auto_mode = true;
+ }
}
- action->setData(QList<QVariant>{"video_mode", mode.first});
- mode_submenu.addAction(action);
- // TODO: Relying on the 0 value here (from bmusb.h) is ugly, it should be a named constant.
- if (mode.first == 0) {
- has_auto_mode = true;
+ // Add a “scan” menu if there's no “auto” mode.
+ if (!has_auto_mode) {
+ QAction *action = new QAction("Scan", &mode_group);
+ action->setData(QList<QVariant>{"video_mode", 0});
+ mode_submenu.addSeparator();
+ mode_submenu.addAction(action);
}
- }
- // Add a “scan” menu if there's no “auto” mode.
- if (!has_auto_mode) {
- QAction *action = new QAction("Scan", &mode_group);
- action->setData(QList<QVariant>{"video_mode", 0});
- mode_submenu.addSeparator();
- mode_submenu.addAction(action);
+ mode_submenu.setTitle("Input mode");
+ menu.addMenu(&mode_submenu);
}
- mode_submenu.setTitle("Input mode");
- menu.addMenu(&mode_submenu);
-
// --- End of card-dependent choices ---
// Add an audio source selector.
QAction *selected_item = menu.exec(global_pos);
if (audio_source_action != nullptr && selected_item == audio_source_action) {
global_audio_mixer->set_simple_input(current_card);
+ } else if (change_url_action != nullptr && selected_item == change_url_action) {
+ // NOTE: We can't use “this” as parent, since the dialog would inherit our style sheet.
+ bool ok;
+ const string url = global_mixer->get_ffmpeg_filename(current_card);
+ QString new_url = QInputDialog::getText(window(), tr("Change URL"),
+ tr("Enter new filename/URL for the given video input:"), QLineEdit::Normal,
+ QString::fromStdString(url), &ok);
+ // FIXME prefill the input
+ if (ok) {
+ global_mixer->set_ffmpeg_filename(current_card, new_url.toStdString());
+ }
} else if (selected_item == master_clock_action) {
global_mixer->set_master_clock(signal_num);
} else if (selected_item != nullptr) {