From 2aa15ab3ffe957ce898d0ee991087dc59832ff45 Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@intel.com>
Date: Tue, 20 Feb 2018 13:15:41 +0300
Subject: [PATCH] ffmpeg: fix 'uchar' error

> cap_ffmpeg_impl.hpp:1710:11: error: 'uchar' does not name a type
---
 modules/videoio/src/cap_ffmpeg_impl.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/videoio/src/cap_ffmpeg_impl.hpp b/modules/videoio/src/cap_ffmpeg_impl.hpp
index 48c9aa7a76..eb7a23137b 100644
--- a/modules/videoio/src/cap_ffmpeg_impl.hpp
+++ b/modules/videoio/src/cap_ffmpeg_impl.hpp
@@ -1707,7 +1707,7 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
     const int CV_STEP_ALIGNMENT = 32;
     const size_t CV_SIMD_SIZE = 32;
     const size_t CV_PAGE_MASK = ~(4096 - 1);
-    const uchar* dataend = data + ((size_t)height * step);
+    const unsigned char* dataend = data + ((size_t)height * step);
     if (step % CV_STEP_ALIGNMENT != 0 ||
         (((size_t)dataend - CV_SIMD_SIZE) & CV_PAGE_MASK) != (((size_t)dataend + CV_SIMD_SIZE) & CV_PAGE_MASK))
     {