Another macOS std::list boost::thread SNAFU.

[dcpomatic.git] / src / lib / ffmpeg_encoder.cc

diff --git a/src/lib/ffmpeg_encoder.cc b/src/lib/ffmpeg_encoder.cc
index 6c006167028bb63fdf999c71bb48b24fdbf4c37a..61e489f071c112e6d092438430ba919e83654a2d 100644 (file)
--- a/src/lib/ffmpeg_encoder.cc
+++ b/src/lib/ffmpeg_encoder.cc
@@ -59,7 +59,7 @@ FFmpegEncoder::FFmpegEncoder (
 #endif
        )
        : Encoder (film, job)
-       , _history (1000)
+       , _history (200)
 {
        int const files = split_reels ? film->reels().size() : 1;
        for (int i = 0; i < files; ++i) {
@@ -152,8 +152,15 @@ FFmpegEncoder::go ()
                }
 
                for (int j = 0; j < gets_per_frame; ++j) {
-                       pair<shared_ptr<PlayerVideo>, DCPTime> v = _butler->get_video (true, 0);
-                       encoder->get(v.first->eyes())->video(v.first, v.second);
+                       Butler::Error e;
+                       pair<shared_ptr<PlayerVideo>, DCPTime> v = _butler->get_video (true, &e);
+                       if (!v.first) {
+                               throw ProgrammingError(__FILE__, __LINE__, String::compose("butler returned no video; error was %1", static_cast<int>(e)));
+                       }
+                       shared_ptr<FFmpegFileEncoder> fe = encoder->get (v.first->eyes());
+                       if (fe) {
+                               fe->video(v.first, v.second);
+                       }
                }
 
                _history.event ();
@@ -247,6 +254,17 @@ FFmpegEncoder::FileEncoderSet::FileEncoderSet (
 shared_ptr<FFmpegFileEncoder>
 FFmpegEncoder::FileEncoderSet::get (Eyes eyes) const
 {
+       if (_encoders.size() == 1) {
+               /* We are doing a 2D export... */
+               if (eyes == EYES_LEFT) {
+                       /* ...but we got some 3D data; put the left eye into the output... */
+                       eyes = EYES_BOTH;
+               } else if (eyes == EYES_RIGHT) {
+                       /* ...and ignore the right eye.*/
+                       return shared_ptr<FFmpegFileEncoder>();
+               }
+       }
+
        map<Eyes, boost::shared_ptr<FFmpegFileEncoder> >::const_iterator i = _encoders.find (eyes);
        DCPOMATIC_ASSERT (i != _encoders.end());
        return i->second;