From: lilo_booter <lilo_booter@d19143bc-622f-0410-bfdd-b5b2a6649095>
Date: Fri, 23 Sep 2005 06:16:53 +0000 (+0000)
Subject: + Bounds checking on chroma samples
X-Git-Url: http://research.m1stereo.tv/gitweb?a=commitdiff_plain;h=53216b5578830fca6dec4cdf5d463eb2dd12e804;p=melted

+ Bounds checking on chroma samples


git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt@828 d19143bc-622f-0410-bfdd-b5b2a6649095
---

diff --git a/src/modules/plus/filter_charcoal.c b/src/modules/plus/filter_charcoal.c
index cb0b13e..f48f37f 100644
--- a/src/modules/plus/filter_charcoal.c
+++ b/src/modules/plus/filter_charcoal.c
@@ -101,6 +101,7 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
 		int sum1;
 		int sum2;
 		float sum;
+		int val;
 
 		// Loop for each row
 		for ( y = 0; y < *height; y ++ )
@@ -127,7 +128,9 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
 				*p ++ = !invert ? ( sum >= 16 && sum <= 235 ? 251 - sum : sum < 16 ? 235 : 16 ) :
 								  ( sum >= 16 && sum <= 235 ? sum : sum < 16 ? 16 : 235 );
 				q ++;
-				*p ++ = 128 + mix * ( *q ++ - 128 );
+				val = 128 + mix * ( *q ++ - 128 );
+				val = val < 16 ? 16 : val > 240 ? 240 : val;
+				*p ++ = val;
 			}
 		}