-#include <epoxy/gl.h>
+extern "C" {
+#include <libavformat/avformat.h>
+}
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+#include <epoxy/gl.h> // IWYU pragma: keep
#include <QApplication>
-#include <QDesktopWidget>
+#include <QCoreApplication>
+#include <QGL>
+#include <QSize>
#include <QSurfaceFormat>
-#include <QtGui/QOpenGLContext>
-#include <QGLFormat>
+#include <string>
+#include "basic_stats.h"
+#include "context.h"
+#include "flags.h"
+#include "image_input.h"
#include "mainwindow.h"
#include "mixer.h"
-#include "context.h"
int main(int argc, char *argv[])
{
- setenv("QT_XCB_GL_INTEGRATION", "xcb_egl", 0);
+ parse_flags(PROGRAM_NAGERU, argc, argv);
+
+ if (global_flags.va_display.empty() ||
+ global_flags.va_display[0] != '/') {
+ // We normally use EGL for zerocopy, but if we use VA against DRM
+ // instead of against X11, we turn it off, and then don't need EGL.
+ setenv("QT_XCB_GL_INTEGRATION", "xcb_egl", 0);
+ using_egl = true;
+ }
+ setlinebuf(stdout);
+ av_register_all();
QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts, true);
QApplication app(argc, argv);
fmt.setProfile(QSurfaceFormat::CoreProfile);
fmt.setMajorVersion(3);
fmt.setMinorVersion(1);
+
+ // Turn off vsync, since Qt generally gives us at most frame rate
+ // (display frequency) / (number of QGLWidgets active).
+ fmt.setSwapInterval(0);
+
QSurfaceFormat::setDefaultFormat(fmt);
QGLFormat::setDefaultFormat(QGLFormat::fromSurfaceFormat(fmt));
global_share_widget = new QGLWidget();
+ if (!global_share_widget->isValid()) {
+ fprintf(stderr, "Failed to initialize OpenGL. Nageru needs at least OpenGL 3.1 to function properly.\n");
+ exit(1);
+ }
MainWindow mainWindow;
- mainWindow.resize(QSize(1500, 720));
+ mainWindow.resize(QSize(1500, 850));
mainWindow.show();
+ app.installEventFilter(&mainWindow); // For white balance color picking.
+
+ // Even on an otherwise unloaded system, it would seem writing the recording
+ // to disk (potentially terabytes of data as time goes by) causes Nageru
+ // to be pushed out of RAM. If we have the right privileges, simply lock us
+ // into memory for better realtime behavior.
+ if (mlockall(MCL_CURRENT | MCL_FUTURE) == -1) {
+ perror("mlockall()");
+ fprintf(stderr, "Failed to lock Nageru into RAM. You probably want to\n");
+ fprintf(stderr, "increase \"memlock\" for your user in limits.conf\n");
+ fprintf(stderr, "for better realtime behavior.\n");
+ uses_mlock = false;
+ } else {
+ uses_mlock = true;
+ }
+
int rc = app.exec();
- mixer_quit();
+ global_mixer->quit();
+ mainWindow.mixer_shutting_down();
+ delete global_mixer;
+ ImageInput::shutdown_updaters();
return rc;
}