Add a script for grabbing some example multiangle data off of YouTube.

[nageru] / main.cpp

diff --git a/main.cpp b/main.cpp
index 0a976c3d438994e6c95dce9faabc4556cf766715..526ed575e32581ba6bedee5a63abd9d0ad3e1a86 100644 (file)
--- a/main.cpp
+++ b/main.cpp
@@ -53,12 +53,14 @@ int main(int argc, char **argv)
 
 int 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 +87,19 @@ 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;
        }
 
        return 0;