Add some very basic playback.

[nageru] / main.cpp

diff --git a/main.cpp b/main.cpp
index 0a976c3d438994e6c95dce9faabc4556cf766715..a0e93420688acebd0e742d2632b10b4a6cd2733b 100644 (file)
--- a/main.cpp
+++ b/main.cpp
@@ -3,6 +3,7 @@
 #include <stdint.h>
 
 #include <chrono>
+#include <condition_variable>
 #include <memory>
 #include <mutex>
 #include <string>
@@ -15,16 +16,20 @@ extern "C" {
 
 #include <QApplication>
 
+#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"
 
-#define MAX_STREAMS 16
-
 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];
@@ -35,7 +40,7 @@ string filename_for_frame(unsigned stream_idx, int64_t pts)
 mutex frame_mu;
 vector<int64_t> frames[MAX_STREAMS];
 
-int thread_func();
+int record_thread_func();
 
 int main(int argc, char **argv)
 {
@@ -46,19 +51,22 @@ int main(int argc, char **argv)
        MainWindow mainWindow;
        mainWindow.show();
 
-       thread(thread_func).detach();
+       thread(record_thread_func).detach();
+       start_player_thread();
 
        return app.exec();
 }
 
-int thread_func()
+int record_thread_func()
 {
-       auto format_ctx = avformat_open_input_unique("example.mp4", nullptr, nullptr);
+       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(
@@ -85,13 +93,20 @@ int thread_func()
                                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);
                        }
                });
 
                assert(pkt.stream_index < MAX_STREAMS);
                frames[pkt.stream_index].push_back(pkt.pts);
 
-               this_thread::sleep_for(milliseconds(1000) / 120);
+               // 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;