From 1be877faf932e83f7fb8425f310fbc7f42c1beb2 Mon Sep 17 00:00:00 2001
From: Ari Koivula <ari@koivu.la>
Date: Mon, 29 Feb 2016 14:29:01 +0200
Subject: [PATCH] Fix chroma reconstruction with tiles

An incorrect frame boundary check caused a checksum error, because the
chroma reconstruction of the encoder was wrong. The encoder treated
horizontal tile boundaries as frame boundaries when the vertical
component of the movement vector was a multiple of 8.
---
 src/inter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/inter.c b/src/inter.c
index b913a7ad..58a0e9fc 100644
--- a/src/inter.c
+++ b/src/inter.c
@@ -347,7 +347,7 @@ void kvz_inter_recon_lcu(const encoder_state_t * const state,
             coord_y = (y + state->tile->lcu_offset_y * (LCU_WIDTH >> 1)) + (mv[1]>>1);
 
             overflow_neg_x = (coord_x < 0)?1:0;
-            overflow_neg_y = (y + (mv[1]>>1) < 0)?1:0;
+            overflow_neg_y = (coord_y < 0)?1:0;
 
             overflow_pos_x = (coord_x >= ref->width>>1 )?1:0;
             overflow_pos_y = (coord_y >= ref->height>>1)?1:0;