X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=main.cpp;h=9bb666a317984e29deaecfea227377086a8987fc;hb=cf158af1c2219bd9f5a9bc531fb3c1133d327b45;hp=810bcf3d9d27974db482764d462d486a1154f060;hpb=b3e4f4b8458a052a7a8e252404f116a7b3c92864;p=nageru

diff --git a/main.cpp b/main.cpp
index 810bcf3..9bb666a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,25 +1,118 @@
+#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 <movit/init.h>
+#include <movit/util.h>
+
+#include "clip_list.h"
+#include "context.h"
+#include "defs.h"
+#include "mainwindow.h"
 #include "ffmpeg_raii.h"
+#include "httpd.h"
+#include "player.h"
+#include "post_to_main_thread.h"
+#include "ref_counted_gl_sync.h"
+#include "timebase.h"
+#include "ui_mainwindow.h"
+#include "vaapi_jpeg_decoder.h"
 
 using namespace std;
+using namespace std::chrono;
+
+std::mutex RefCountedGLsync::fence_lock;
+
+// 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];
+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(4);
+	fmt.setMinorVersion(5);
+
+	// 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));
+
+	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 4.5 to function properly.\n");
+		exit(1);
+	}
+
+	// Initialize Movit.
+	{
+		QSurface *surface = create_surface();
+		QOpenGLContext *context = create_context(surface);
+		make_current(context, surface);
+		CHECK(movit::init_movit(MOVIT_SHADER_DIR, movit::MOVIT_DEBUG_OFF));
+		delete_context(context);
+		// TODO: Delete the surface, too.
+	}
+
+	MainWindow mainWindow;
+	mainWindow.show();
+
+	thread(record_thread_func).detach();
+
+	init_jpeg_vaapi();
+
+	return app.exec();
+}
 
-	auto format_ctx = avformat_open_input_unique("example.mp4", nullptr, nullptr);
+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(
@@ -30,17 +123,44 @@ int main(void)
 		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");
+
+		// Convert pts to our own timebase.
+		// TODO: Figure out offsets, too.
+		AVRational stream_timebase = format_ctx->streams[pkt.stream_index]->time_base;
+		pkt.pts = av_rescale_q(pkt.pts, stream_timebase, AVRational{ 1, TIMEBASE });
+
+		//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, /*interpolated=*/false);
+			} else if (pkt.stream_index == 1) {
+				global_mainwindow->ui->input2_display->setFrame(pkt.stream_index, pkt.pts, /*interpolated=*/false);
+			} else if (pkt.stream_index == 2) {
+				global_mainwindow->ui->input3_display->setFrame(pkt.stream_index, pkt.pts, /*interpolated=*/false);
+			} else if (pkt.stream_index == 3) {
+				global_mainwindow->ui->input4_display->setFrame(pkt.stream_index, pkt.pts, /*interpolated=*/false);
+			}
+		});
+
+		assert(pkt.stream_index < MAX_STREAMS);
+		frames[pkt.stream_index].push_back(pkt.pts);
+
+		// Hack. Remove when we're dealing with live streams.
+		if (last_pts != -1) {
+			this_thread::sleep_for(microseconds((pkt.pts - last_pts) * 1000000 / TIMEBASE));
+		}
+		last_pts = pkt.pts;
+		current_pts = pkt.pts;
 	}
 
 	return 0;