+ 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>();
+ }
+ }
+