format_duration  1677 applications/mp4box/filedump.c static char *format_duration(u64 dur, u32 timescale, char *szDur)
format_duration   417 src/isomedia/box_dump.c static char *format_duration(u64 dur, u32 timescale, char *szDur)
format_duration  4872 src/media_tools/dash_segmenter.c static void format_duration(FILE *mpd, Double dur, const char *name)