From d243896987b8b2062d1faba4d8d6f0c62d2dbee9 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Tue, 19 Feb 2013 08:15:07 +0100
Subject: [PATCH] ffv1: fix calculating slice dimensions for version 2
It got broken in 0f13cd3187192ba0cc2b043430de6e279e7b97c3.
CC:libav-stable@libav.org
---
libavcodec/ffv1dec.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c
index f9b094dab7c..c4f73c726e4 100644
--- a/libavcodec/ffv1dec.c
+++ b/libavcodec/ffv1dec.c
@@ -734,8 +734,8 @@ static int read_header(FFV1Context *f)
fs->slice_x /= f->num_h_slices;
fs->slice_y /= f->num_v_slices;
- fs->slice_width /= f->num_h_slices - fs->slice_x;
- fs->slice_height /= f->num_v_slices - fs->slice_y;
+ fs->slice_width = fs->slice_width / f->num_h_slices - fs->slice_x;
+ fs->slice_height = fs->slice_height / f->num_v_slices - fs->slice_y;
if ((unsigned)fs->slice_width > f->width ||
(unsigned)fs->slice_height > f->height)
return AVERROR_INVALIDDATA;
--
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