X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Fplus%2Ffilter_charcoal.c;h=f48f37f27086554cd55e20fb0c51aefb8a731708;hb=53216b5578830fca6dec4cdf5d463eb2dd12e804;hp=cb0b13e2450380e30047b8b6f1cbfac73515421a;hpb=78cb03b80c9483db3f3c6bb44eb420da69ca60c0;p=melted

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;
 			}
 		}