EBML_ID_EBMLMAXIDLENGTH  325 libavformat/matroskadec.c     { EBML_ID_EBMLMAXIDLENGTH,    EBML_UINT, 0, offsetof(Ebml, id_length),       { .u = 4 } },
EBML_ID_EBMLMAXIDLENGTH 1347 libavformat/matroskaenc.c     put_ebml_uint   (pb, EBML_ID_EBMLMAXIDLENGTH    ,           4);