clip_line 94 libavfilter/vf_codecview.c return clip_line(ex, ey, sx, sy, maxx); clip_line 124 libavfilter/vf_codecview.c if (clip_line(&sx, &sy, &ex, &ey, w - 1)) clip_line 126 libavfilter/vf_codecview.c if (clip_line(&sy, &sx, &ey, &ex, h - 1))