X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Fcore%2Ffilter_greyscale.c;h=fd618c09aa02140c0e42dfbebde81b196f4fc466;hb=4112170ce8053261b9c67f58df87c2a3573b6602;hp=170ff4f543c82530d9fc85f0f6357839e1eb7ce0;hpb=15934f863eff9ee542f8b65fb7335ad944508f2f;p=melted diff --git a/src/modules/core/filter_greyscale.c b/src/modules/core/filter_greyscale.c index 170ff4f..fd618c0 100644 --- a/src/modules/core/filter_greyscale.c +++ b/src/modules/core/filter_greyscale.c @@ -3,48 +3,41 @@ * 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_greyscale.h" - +#include #include #include #include -/** Greyscale class. -*/ - -typedef struct -{ - struct mlt_filter_s parent; -} -filter_greyscale; - /** Do it :-). */ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable ) { - mlt_frame_get_image( this, image, format, width, height, 1 ); - uint8_t *p = *image; - uint8_t *q = *image + *width * *height * 2; - while ( p ++ != q ) - *p ++ = 128; - return 0; + int error = mlt_frame_get_image( this, image, format, width, height, 1 ); + if ( error == 0 && *format == mlt_image_yuv422 ) + { + uint8_t *p = *image; + uint8_t *q = *image + *width * *height * 2; + while ( p ++ != q ) + *p ++ = 128; + } + return error; } /** Filter processing. @@ -59,15 +52,11 @@ static mlt_frame filter_process( mlt_filter this, mlt_frame frame ) /** Constructor for the filter. */ -mlt_filter filter_greyscale_init( void *arg ) +mlt_filter filter_greyscale_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg ) { - filter_greyscale *this = calloc( sizeof( filter_greyscale ), 1 ); + mlt_filter this = mlt_filter_new( ); if ( this != NULL ) - { - mlt_filter filter = &this->parent; - mlt_filter_init( filter, this ); - filter->process = filter_process; - } - return ( mlt_filter )this; + this->process = filter_process; + return this; }