X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=main.cpp;h=1d29735f92a2180f8734e4793571a15befbe50c8;hb=92cca212dad5e4b968c052d8200a534473929674;hp=e8c0dc4ac1fe7e6769dea0b98377b29729c137b1;hpb=0d0e637698dc347c2fec4746affbcf02d51a31f8;p=nageru diff --git a/main.cpp b/main.cpp index e8c0dc4..1d29735 100644 --- a/main.cpp +++ b/main.cpp @@ -1,12 +1,16 @@ #include -#include -#include - +#include #include #include +#include +#include #include #include +#include +#include #include +#include +#include #include #include @@ -14,42 +18,77 @@ extern "C" { #include } -#include - #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 +#include +#include using namespace std; using namespace std::chrono; +mutex RefCountedGLsync::fence_lock; +atomic 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 frames[MAX_STREAMS]; -QGLWidget *global_share_widget; HTTPD *global_httpd; +void load_existing_frames(); int record_thread_func(); int main(int argc, char **argv) { + 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; - global_httpd->start(DEFAULT_HTTPD_PORT); QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts, true); @@ -57,8 +96,8 @@ int main(int argc, char **argv) fmt.setDepthBufferSize(0); fmt.setStencilBufferSize(0); fmt.setProfile(QSurfaceFormat::CoreProfile); - fmt.setMajorVersion(3); - fmt.setMinorVersion(1); + fmt.setMajorVersion(4); + fmt.setMinorVersion(5); // Turn off vsync, since Qt generally gives us at most frame rate // (display frequency) / (number of QGLWidgets active). @@ -71,40 +110,122 @@ int main(int argc, char **argv) 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"); + fprintf(stderr, "Failed to initialize OpenGL. Futatabi needs at least OpenGL 4.5 to function properly.\n"); exit(1); } - MainWindow mainWindow; - mainWindow.show(); - thread(record_thread_func).detach(); + // 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(); + + global_httpd->add_endpoint("/queue_status", bind(&MainWindow::get_queue_status, &main_window), HTTPD::NO_CORS_POLICY); + global_httpd->start(global_flags.http_port); + + 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); - return app.exec(); + 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 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; } + + // 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, pkt.pts, pkt.size); - string filename = filename_for_frame(pkt.stream_index, pkt.pts); + // 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()); @@ -113,27 +234,28 @@ int record_thread_func() 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;