hdcd_control_stereo 1420 libavfilter/af_hdcd.c ctlret = hdcd_control_stereo(ctx, &peak_extend[0], &peak_extend[1]); hdcd_control_stereo 1448 libavfilter/af_hdcd.c ctlret = hdcd_control_stereo(ctx, &peak_extend[0], &peak_extend[1]);