X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Fplus%2Ffilter_charcoal.c;h=e99981a56add6ddeb096bb95e24eb8574224f39b;hb=e89b21b07607ae485f56b32f3e67f83f528f2ae6;hp=cb0b13e2450380e30047b8b6f1cbfac73515421a;hpb=f00476101550ec7d8e863f6516aa83bc1b524570;p=melted diff --git a/src/modules/plus/filter_charcoal.c b/src/modules/plus/filter_charcoal.c index cb0b13e..e99981a 100644 --- a/src/modules/plus/filter_charcoal.c +++ b/src/modules/plus/filter_charcoal.c @@ -3,23 +3,22 @@ * Copyright (C) 2003-2004 Ushodaya Enterprises Limited * Author: Charles Yates * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. * - * This program is distributed in the hope that it will be useful, + * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include "filter_charcoal.h" - +#include #include #include @@ -101,6 +100,7 @@ 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 +127,9 @@ 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; } } @@ -156,7 +158,7 @@ static mlt_frame filter_process( mlt_filter this, mlt_frame frame ) /** Constructor for the filter. */ -mlt_filter filter_charcoal_init( char *arg ) +mlt_filter filter_charcoal_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg ) { mlt_filter this = mlt_filter_new( ); if ( this != NULL )