From 09e2203b8ba6943d5c0fe6d73b65b145c3fdf98e Mon Sep 17 00:00:00 2001 From: Luca Barbato Date: Sat, 11 Jan 2014 04:22:50 +0100 Subject: [PATCH] hevc: Consider first quantization group any reference to 0, 0 According to my understanding of T-REC-H.265-2013044 chapter 8.6.1. Sample-Id: 00001438-google Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org --- libavcodec/hevc_filter.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/hevc_filter.c b/libavcodec/hevc_filter.c index f3c6554..d3f2ff1 100644 --- a/libavcodec/hevc_filter.c +++ b/libavcodec/hevc_filter.c @@ -90,7 +90,7 @@ static int get_qPy_pred(HEVCContext *s, int xC, int yC, int qPy_pred, qPy_a, qPy_b; // qPy_pred - if (lc->first_qp_group) { + if (lc->first_qp_group || (!xQgBase && !yQgBase)) { lc->first_qp_group = !lc->tu.is_cu_qp_delta_coded; qPy_pred = s->sh.slice_qp; } else { -- 2.7.4