On Thu, Oct 25, 2018 at 20:36:07 +0800, Zhong Li wrote: > +{ "forced_idr", "Forcing I frames as IDR frames", OFFSET(qsv.forced_idr), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \ ffmpeg uses imperative (mostly): "Force I frames as IDR frames". Moritz