envelope_instant  381 libavfilter/vf_vectorscope.c         envelope_instant(s, out);
envelope_instant  411 libavfilter/vf_vectorscope.c         envelope_instant(s, out);
envelope_instant  591 libavfilter/vf_waveform.c             envelope_instant(s, out, plane, component, offset);
envelope_instant  617 libavfilter/vf_waveform.c             envelope_instant(s, out, plane, component, offset);
envelope_instant  644 libavfilter/vf_waveform.c         envelope_instant(s, out, plane, component, offset);