+#include <assert.h>
#include <stdio.h>
+#include <stdint.h>
+
+#include <chrono>
+#include <condition_variable>
#include <memory>
+#include <mutex>
+#include <string>
+#include <thread>
+#include <vector>
extern "C" {
#include <libavformat/avformat.h>
}
+#include <QApplication>
+
+#include "clip_list.h"
+#include "defs.h"
+#include "mainwindow.h"
#include "ffmpeg_raii.h"
+#include "httpd.h"
+#include "player.h"
+#include "post_to_main_thread.h"
+#include "ui_mainwindow.h"
using namespace std;
+using namespace std::chrono;
+
+// TODO: Replace by some sort of GUI control, I guess.
+int64_t current_pts = 0;
+
+string filename_for_frame(unsigned stream_idx, int64_t pts)
+{
+ char filename[256];
+ snprintf(filename, sizeof(filename), "frames/cam%d-pts%09ld.jpeg", stream_idx, pts);
+ return filename;
+}
-int main(void)
+mutex frame_mu;
+vector<int64_t> frames[MAX_STREAMS];
+QGLWidget *global_share_widget;
+HTTPD *global_httpd;
+
+int record_thread_func();
+
+int main(int argc, char **argv)
{
- av_register_all();
avformat_network_init();
+ global_httpd = new HTTPD;
+ global_httpd->start(DEFAULT_HTTPD_PORT);
+
+ QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts, true);
+
+ QSurfaceFormat fmt;
+ fmt.setDepthBufferSize(0);
+ fmt.setStencilBufferSize(0);
+ 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);
- auto format_ctx = avformat_open_input_unique("example.mp4", nullptr, nullptr);
+ QGLFormat::setDefaultFormat(QGLFormat::fromSurfaceFormat(fmt));
+
+ QApplication app(argc, argv);
+ global_share_widget = new QGLWidget();
+ if (!global_share_widget->isValid()) {
+ fprintf(stderr, "Failed to initialize OpenGL. Futatabi needs at least OpenGL 3.1 to function properly.\n");
+ exit(1);
+ }
+ MainWindow mainWindow;
+ mainWindow.show();
+
+ thread(record_thread_func).detach();
+
+ return app.exec();
+}
+
+int record_thread_func()
+{
+ auto format_ctx = avformat_open_input_unique("multiangle.mp4", nullptr, nullptr);
if (format_ctx == nullptr) {
fprintf(stderr, "%s: Error opening file\n", "example.mp4");
return 1;
}
+ int64_t last_pts = -1;
+
for ( ;; ) {
AVPacket pkt;
unique_ptr<AVPacket, decltype(av_packet_unref)*> pkt_cleanup(
if (av_read_frame(format_ctx.get(), &pkt) != 0) {
break;
}
- fprintf(stderr, "Got a frame from camera %d, pts = %ld, size = %d\n",
- pkt.stream_index, pkt.pts, pkt.size);
- char filename[256];
- snprintf(filename, sizeof(filename), "frames/cam%d-pts%09ld.jpeg", pkt.stream_index, pkt.pts);
- FILE *fp = fopen(filename, "wb");
+ //fprintf(stderr, "Got a frame from camera %d, pts = %ld, size = %d\n",
+ // pkt.stream_index, pkt.pts, pkt.size);
+ string filename = filename_for_frame(pkt.stream_index, pkt.pts);
+ FILE *fp = fopen(filename.c_str(), "wb");
if (fp == nullptr) {
- perror(filename);
+ perror(filename.c_str());
exit(1);
}
fwrite(pkt.data, pkt.size, 1, fp);
fclose(fp);
+
+ post_to_main_thread([pkt] {
+ if (pkt.stream_index == 0) {
+ global_mainwindow->ui->input1_display->setFrame(pkt.stream_index, pkt.pts);
+ } else if (pkt.stream_index == 1) {
+ global_mainwindow->ui->input2_display->setFrame(pkt.stream_index, pkt.pts);
+ } else if (pkt.stream_index == 2) {
+ global_mainwindow->ui->input3_display->setFrame(pkt.stream_index, pkt.pts);
+ } else if (pkt.stream_index == 3) {
+ global_mainwindow->ui->input4_display->setFrame(pkt.stream_index, pkt.pts);
+ }
+ });
+
+ assert(pkt.stream_index < MAX_STREAMS);
+ frames[pkt.stream_index].push_back(pkt.pts);
+
+ // Hack. Assumes a given timebase.
+ if (last_pts != -1) {
+ this_thread::sleep_for(microseconds((pkt.pts - last_pts) * 1000000 / 12800));
+ }
+ last_pts = pkt.pts;
+ current_pts = pkt.pts;
}
return 0;