X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=main.cpp;h=0f1e6fa1eead8ca1eabacce3cc5fb2d10f44944c;hb=d60474a5a6da369c37bd1a218e347a66f9995fa1;hp=810bcf3d9d27974db482764d462d486a1154f060;hpb=b3e4f4b8458a052a7a8e252404f116a7b3c92864;p=nageru diff --git a/main.cpp b/main.cpp index 810bcf3..0f1e6fa 100644 --- a/main.cpp +++ b/main.cpp @@ -1,25 +1,94 @@ +#include #include +#include + +#include +#include #include +#include +#include +#include +#include extern "C" { #include } +#include + +#include "clip_list.h" +#include "defs.h" +#include "mainwindow.h" #include "ffmpeg_raii.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 frames[MAX_STREAMS]; +QGLWidget *global_share_widget; + +int record_thread_func(); + +int main(int argc, char **argv) { av_register_all(); avformat_network_init(); - auto format_ctx = avformat_open_input_unique("example.mp4", nullptr, nullptr); + 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); + + 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 pkt_cleanup( @@ -30,17 +99,38 @@ 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"); + //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;