ff_framesync_filter_frame   72 libavfilter/dualinput.c     return ff_framesync_filter_frame(&s->fs, inlink, in);
ff_framesync_filter_frame  285 libavfilter/framesync.h int ff_framesync_filter_frame(FFFrameSync *fs, AVFilterLink *inlink,
ff_framesync_filter_frame   65 libavfilter/vf_mergeplanes.c     return ff_framesync_filter_frame(&s->fs, inlink, in);