copy_field        651 libavfilter/vf_pullup.c         copy_field(s, fr->buffer, fr->ofields[i^1], i^1);
copy_field        657 libavfilter/vf_pullup.c     copy_field(s, fr->buffer, fr->ofields[0], 0);
copy_field        658 libavfilter/vf_pullup.c     copy_field(s, fr->buffer, fr->ofields[1], 1);