59     int hh, mm, ss, ff;  in av_timecode_get_smpte_from_framenum()  local
64     ff = framenum % fps;  in av_timecode_get_smpte_from_framenum()
70            (ff / 10) << 28 | // tens  of frames  in av_timecode_get_smpte_from_framenum()
71            (ff % 10) << 24 | // units of frames  in av_timecode_get_smpte_from_framenum()
88     int hh, mm, ss, ff, neg = 0;  in av_timecode_make_string()  local
97     ff = framenum % fps;  in av_timecode_make_string()
105              hh, mm, ss, drop ? ';' : ':', ff);  in av_timecode_make_string()
123     unsigned ff   = bcd2uint(tcsmpte>>24 & 0x3f);    // 6-bit frames  in av_timecode_make_smpte_tc_string()  local
126              hh, mm, ss, drop ? ';' : ':', ff);  in av_timecode_make_smpte_tc_string()
197     int hh, mm, ss, ff, ret;  in av_timecode_init_from_string()  local
199     if (sscanf(str, "%d:%d:%d%c%d", &hh, &mm, &ss, &c, &ff) != 5) {  in av_timecode_init_from_string()
214     tc->start = (hh*3600 + mm*60 + ss) * tc->fps + ff;  in av_timecode_init_from_string()