opt_duration     3595 fftools/ffplay.c     { "t", HAS_ARG, { .func_arg = opt_duration }, "play  \"duration\" seconds of audio/video", "duration" },
opt_duration      119 libavformat/sbgdec.c     int64_t opt_duration;
opt_duration      384 libavformat/sbgdec.c                     r = str_to_time(oarg.s, &p->scs.opt_duration);
opt_duration      931 libavformat/sbgdec.c     s->end_ts = s->opt_duration ? s->start_ts + s->opt_duration :