MATROSKA_ID_TIMECODESCALE  269 libavformat/matroskadec.c     { MATROSKA_ID_TIMECODESCALE,      EBML_UINT,  0, offsetof(MatroskaDemuxContext,time_scale), {.u=1000000} },
MATROSKA_ID_TIMECODESCALE  660 libavformat/matroskaenc.c     put_ebml_uint(pb, MATROSKA_ID_TIMECODESCALE, 1000000);