X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Favformat%2Ffilter_avcolour_space.c;h=9c9747277516029dfb1aa8bff62ed8240c304e12;hb=bf3264b9e340ba5c11cbf59835a8af3db94e0cc2;hp=53b6780c2c3321890a043763096112e1a10d11b4;hpb=07b78feef159c84412ba097240d9755381c6fbd6;p=melted diff --git a/src/modules/avformat/filter_avcolour_space.c b/src/modules/avformat/filter_avcolour_space.c index 53b6780..9c97472 100644 --- a/src/modules/avformat/filter_avcolour_space.c +++ b/src/modules/avformat/filter_avcolour_space.c @@ -3,19 +3,19 @@ * Copyright (C) 2004-2005 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_avcolour_space.h" @@ -24,10 +24,21 @@ // ffmpeg Header files #include +#ifdef SWSCALE +#include +#endif #include #include +static inline int is_big_endian( ) +{ + union { int i; char c[ 4 ]; } big_endian_test; + big_endian_test.i = 1; + + return big_endian_test.c[ 0 ] != 1; +} + static inline int convert_mlt_to_av_cs( mlt_image_format format ) { int value = 0; @@ -59,9 +70,17 @@ static inline void convert_image( uint8_t *out, uint8_t *in, int out_fmt, int in { AVPicture input; AVPicture output; - avpicture_fill( &output, out, out_fmt, width, height ); avpicture_fill( &input, in, in_fmt, width, height ); + avpicture_fill( &output, out, out_fmt, width, height ); +#ifdef SWSCALE + struct SwsContext *context = sws_getContext( width, height, in_fmt, + width, height, out_fmt, SWS_FAST_BILINEAR, NULL, NULL, NULL); + sws_scale( context, input.data, input.linesize, 0, height, + output.data, output.linesize); + sws_freeContext( context ); +#else img_convert( &output, out_fmt, &input, in_fmt, width, height ); +#endif } /** Do it :-). @@ -96,10 +115,8 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format * register uint8_t *bits = *image; register int n = ( len + 7 ) / 8; - // TODO: Proper check for big endian systems - #ifndef __DARWIN__ - bits += 3; - #endif + if( !is_big_endian( ) ) + bits += 3; // Extract alpha mask from the image using Duff's Device switch( len % 8 ) @@ -134,11 +151,9 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format * register uint8_t *bits = *image; register int len = *width * *height; register int n = ( len + 7 ) / 8; - - // TODO: Proper check for big endian systems - #ifndef __DARWIN__ - bits += 3; - #endif + + if( !is_big_endian( ) ) + bits += 3; // Merge the alpha mask into the RGB image using Duff's Device switch( len % 8 )