#include <assert.h>
-#include <stdio.h>
-#include <stdint.h>
-
+#include <atomic>
#include <chrono>
#include <condition_variable>
+#include <dirent.h>
+#include <getopt.h>
#include <memory>
#include <mutex>
+#include <stdint.h>
+#include <stdio.h>
#include <string>
+#include <sys/stat.h>
+#include <sys/types.h>
#include <thread>
#include <vector>
#include <libavformat/avformat.h>
}
-#include <QApplication>
-
#include "clip_list.h"
+#include "context.h"
#include "defs.h"
-#include "mainwindow.h"
+#include "disk_space_estimator.h"
#include "ffmpeg_raii.h"
+#include "flags.h"
+#include "httpd.h"
+#include "mainwindow.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"
+
+#include <QApplication>
+#include <movit/init.h>
+#include <movit/util.h>
using namespace std;
using namespace std::chrono;
+mutex RefCountedGLsync::fence_lock;
+atomic<bool> should_quit{false};
+
+int64_t start_pts = -1;
+
// 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);
+ snprintf(filename, sizeof(filename), "%s/frames/cam%d-pts%09ld.jpeg",
+ global_flags.working_directory.c_str(), stream_idx, pts);
return filename;
}
mutex frame_mu;
vector<int64_t> frames[MAX_STREAMS];
+HTTPD *global_httpd;
+void load_existing_frames();
int record_thread_func();
int main(int argc, char **argv)
{
- av_register_all();
+ parse_flags(argc, argv);
+ if (optind == argc) {
+ global_flags.stream_source = "multiangle.mp4";
+ global_flags.slow_down_input = true;
+ } else if (optind + 1 == argc) {
+ global_flags.stream_source = argv[optind];
+ } else {
+ usage();
+ exit(1);
+ }
+
+ string frame_dir = global_flags.working_directory + "/frames";
+
+ struct stat st;
+ if (stat(frame_dir.c_str(), &st) == -1) {
+ fprintf(stderr, "%s does not exist, creating it.\n", frame_dir.c_str());
+ if (mkdir(frame_dir.c_str(), 0777) == -1) {
+ perror(global_flags.working_directory.c_str());
+ exit(1);
+ }
+ }
+
avformat_network_init();
+ global_httpd = new HTTPD;
+
+ 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);
- MainWindow mainWindow;
- mainWindow.show();
+ 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 main_window;
+ main_window.show();
- thread(record_thread_func).detach();
+ global_httpd->add_endpoint("/queue_status", bind(&MainWindow::get_queue_status, &main_window), HTTPD::NO_CORS_POLICY);
+ global_httpd->start(global_flags.http_port);
- return app.exec();
+ init_jpeg_vaapi();
+
+ load_existing_frames();
+ thread record_thread(record_thread_func);
+
+ int ret = app.exec();
+
+ should_quit = true;
+ record_thread.join();
+ JPEGFrameView::shutdown();
+
+ return ret;
+}
+
+void load_existing_frames()
+{
+ string frame_dir = global_flags.working_directory + "/frames";
+ DIR *dir = opendir(frame_dir.c_str());
+ if (dir == nullptr) {
+ perror("frames/");
+ start_pts = 0;
+ return;
+ }
+
+ for ( ;; ) {
+ errno = 0;
+ dirent *de = readdir(dir);
+ if (de == nullptr) {
+ if (errno != 0) {
+ perror("readdir");
+ exit(1);
+ }
+ break;
+ }
+
+ int stream_idx;
+ int64_t pts;
+ if (sscanf(de->d_name, "cam%d-pts%ld.jpeg", &stream_idx, &pts) == 2 &&
+ stream_idx >= 0 && stream_idx < MAX_STREAMS) {
+ frames[stream_idx].push_back(pts);
+ start_pts = max(start_pts, pts);
+ }
+ }
+
+ closedir(dir);
+
+ if (start_pts == -1) {
+ start_pts = 0;
+ } else {
+ // Add a gap of one second from the old frames to the new ones.
+ start_pts += TIMEBASE;
+ }
+
+ for (int stream_idx = 0; stream_idx < MAX_STREAMS; ++stream_idx) {
+ sort(frames[stream_idx].begin(), frames[stream_idx].end());
+ }
}
int record_thread_func()
{
- auto format_ctx = avformat_open_input_unique("multiangle.mp4", nullptr, nullptr);
+ auto format_ctx = avformat_open_input_unique(global_flags.stream_source.c_str(), nullptr, nullptr);
if (format_ctx == nullptr) {
- fprintf(stderr, "%s: Error opening file\n", "example.mp4");
+ fprintf(stderr, "%s: Error opening file\n", global_flags.stream_source.c_str());
return 1;
}
int64_t last_pts = -1;
+ int64_t pts_offset;
- for ( ;; ) {
+ while (!should_quit.load()) {
AVPacket pkt;
unique_ptr<AVPacket, decltype(av_packet_unref)*> pkt_cleanup(
&pkt, av_packet_unref);
av_init_packet(&pkt);
pkt.data = nullptr;
pkt.size = 0;
+
+ // TODO: Make it possible to abort av_read_frame() (use an interrupt callback);
+ // right now, should_quit will be ignored if it's hung on I/O.
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);
- string filename = filename_for_frame(pkt.stream_index, pkt.pts);
+
+ // Convert pts to our own timebase.
+ AVRational stream_timebase = format_ctx->streams[pkt.stream_index]->time_base;
+ int64_t pts = av_rescale_q(pkt.pts, stream_timebase, AVRational{ 1, TIMEBASE });
+
+ // Translate offset into our stream.
+ if (last_pts == -1) {
+ pts_offset = start_pts - pts;
+ }
+ pts = std::max(pts + pts_offset, start_pts);
+
+ //fprintf(stderr, "Got a frame from camera %d, pts = %ld, size = %d\n",
+ // pkt.stream_index, pts, pkt.size);
+ string filename = filename_for_frame(pkt.stream_index, pts);
FILE *fp = fopen(filename.c_str(), "wb");
if (fp == nullptr) {
perror(filename.c_str());
fwrite(pkt.data, pkt.size, 1, fp);
fclose(fp);
- post_to_main_thread([pkt] {
+ global_disk_space_estimator->report_write(filename, pts);
+
+ post_to_main_thread([pkt, pts] {
if (pkt.stream_index == 0) {
- global_mainwindow->ui->input1_display->setFrame(pkt.stream_index, pkt.pts);
+ global_mainwindow->ui->input1_display->setFrame(pkt.stream_index, pts);
} else if (pkt.stream_index == 1) {
- global_mainwindow->ui->input2_display->setFrame(pkt.stream_index, pkt.pts);
+ global_mainwindow->ui->input2_display->setFrame(pkt.stream_index, pts);
} else if (pkt.stream_index == 2) {
- global_mainwindow->ui->input3_display->setFrame(pkt.stream_index, pkt.pts);
+ global_mainwindow->ui->input3_display->setFrame(pkt.stream_index, pts);
} else if (pkt.stream_index == 3) {
- global_mainwindow->ui->input4_display->setFrame(pkt.stream_index, pkt.pts);
+ global_mainwindow->ui->input4_display->setFrame(pkt.stream_index, pts);
}
});
assert(pkt.stream_index < MAX_STREAMS);
- frames[pkt.stream_index].push_back(pkt.pts);
+ frames[pkt.stream_index].push_back(pts);
- // Hack. Assumes a given timebase.
- if (last_pts != -1) {
- this_thread::sleep_for(microseconds((pkt.pts - last_pts) * 1000000 / 12800));
+ if (last_pts != -1 && global_flags.slow_down_input) {
+ this_thread::sleep_for(microseconds((pts - last_pts) * 1000000 / TIMEBASE));
}
- last_pts = pkt.pts;
- current_pts = pkt.pts;
+ last_pts = pts;
+ current_pts = pts;
}
return 0;
projects / nageru / blobdiff