MatroskaTrackOperation  182 libavformat/matroskadec.c     MatroskaTrackOperation operation;
MatroskaTrackOperation  413 libavformat/matroskadec.c     { MATROSKA_ID_TRACKPLANE, EBML_NEST, sizeof(MatroskaTrackPlane), offsetof(MatroskaTrackOperation,combine_planes), {.n = matroska_track_plane} },