sws_get_class     553 fftools/cmdutils.c     const AVClass *sc = sws_get_class();
sws_get_class    3251 fftools/ffmpeg_opt.c         show_help_children(sws_get_class(), flags);
sws_get_class    3655 fftools/ffplay.c     show_help_children(sws_get_class(), AV_OPT_FLAG_ENCODING_PARAM);
sws_get_class     318 libavfilter/vf_scale.c         const AVClass *class = sws_get_class();
sws_get_class     887 libavfilter/vf_scale.c     return prev ? NULL : sws_get_class();
sws_get_class     330 libswscale/swscale.h const AVClass *sws_get_class(void);