hdcd_scan        1381 libavfilter/af_hdcd.c         run = hdcd_scan(ctx, state, 1, samples + lead * stride, count - lead, 0) + lead;
hdcd_scan        1425 libavfilter/af_hdcd.c         run = hdcd_scan(ctx, ctx->state, 2, samples + lead * stride, count - lead, 0) + lead;