Throw up some widgets.

[nageru] / main.cpp

diff --git a/main.cpp b/main.cpp
index 810bcf3d9d27974db482764d462d486a1154f060..17431aa46f127bb06fb33cd0dc9ec705bdcfc430 100644 (file)
--- a/main.cpp
+++ b/main.cpp
@@ -1,19 +1,56 @@
+#include <assert.h>
 #include <stdio.h>
+#include <stdint.h>
+
+#include <chrono>
 #include <memory>
+#include <mutex>
+#include <string>
+#include <thread>
+#include <vector>
 
 extern "C" {
 #include <libavformat/avformat.h>
 }
 
+#include <QApplication>
+
+#include "mainwindow.h"
 #include "ffmpeg_raii.h"
 
+#define MAX_STREAMS 16
+
 using namespace std;
+using namespace std::chrono;
+
+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;
+}
+
+mutex frame_mu;
+vector<int64_t> frames[MAX_STREAMS];
+
+int thread_func();
 
-int main(void)
+int main(int argc, char **argv)
 {
        av_register_all();
        avformat_network_init();
 
+       QApplication app(argc, argv);
+       MainWindow mainWindow;
+       mainWindow.show();
+
+       thread(thread_func).detach();
+
+       return app.exec();
+}
+
+int thread_func()
+{
        auto format_ctx = avformat_open_input_unique("example.mp4", nullptr, nullptr);
        if (format_ctx == nullptr) {
                fprintf(stderr, "%s: Error opening file\n", "example.mp4");
@@ -32,15 +69,19 @@ int main(void)
                }
                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");
+               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);
+
+               assert(pkt.stream_index < MAX_STREAMS);
+               frames[pkt.stream_index].push_back(pkt.pts);
+
+               this_thread::sleep_for(milliseconds(1000) / 120);
        }
 
        return 0;