MatroskaTrackCompression  101 libavformat/matroskadec.c     MatroskaTrackCompression compression;
MatroskaTrackCompression  306 libavformat/matroskadec.c     { MATROSKA_ID_ENCODINGCOMPALGO,   EBML_UINT, 0, offsetof(MatroskaTrackCompression,algo), {.u=0} },
MatroskaTrackCompression  307 libavformat/matroskadec.c     { MATROSKA_ID_ENCODINGCOMPSETTINGS,EBML_BIN, 0, offsetof(MatroskaTrackCompression,settings) },