burn_frame 211 libavfilter/vf_signalstats.c burn_frame(s, out, x, y); burn_frame 256 libavfilter/vf_signalstats.c burn_frame(s, out, x, y); burn_frame 263 libavfilter/vf_signalstats.c burn_frame(s, out, x, y); burn_frame 301 libavfilter/vf_signalstats.c burn_frame(s, out, x, y);