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FFmpeg/libavformat/img2.c

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/*
* Image format
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
* Copyright (c) 2004 Michael Niedermayer
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/avstring.h"
#include "internal.h"
typedef struct {
enum CodecID id;
const char *str;
} IdStrMap;
static const IdStrMap img_tags[] = {
{ CODEC_ID_MJPEG , "jpeg"},
{ CODEC_ID_MJPEG , "jpg"},
{ CODEC_ID_LJPEG , "ljpg"},
{ CODEC_ID_PNG , "png"},
{ CODEC_ID_PNG , "mng"},
{ CODEC_ID_PPM , "ppm"},
{ CODEC_ID_PPM , "pnm"},
{ CODEC_ID_PGM , "pgm"},
{ CODEC_ID_PGMYUV , "pgmyuv"},
{ CODEC_ID_PBM , "pbm"},
{ CODEC_ID_PAM , "pam"},
{ CODEC_ID_MPEG1VIDEO, "mpg1-img"},
{ CODEC_ID_MPEG2VIDEO, "mpg2-img"},
{ CODEC_ID_MPEG4 , "mpg4-img"},
{ CODEC_ID_FFV1 , "ffv1-img"},
{ CODEC_ID_RAWVIDEO , "y"},
{ CODEC_ID_BMP , "bmp"},
{ CODEC_ID_GIF , "gif"},
{ CODEC_ID_TARGA , "tga"},
{ CODEC_ID_TIFF , "tiff"},
{ CODEC_ID_TIFF , "tif"},
{ CODEC_ID_SGI , "sgi"},
{ CODEC_ID_PTX , "ptx"},
{ CODEC_ID_PCX , "pcx"},
{ CODEC_ID_SUNRAST , "sun"},
{ CODEC_ID_SUNRAST , "ras"},
{ CODEC_ID_SUNRAST , "rs"},
{ CODEC_ID_SUNRAST , "im1"},
{ CODEC_ID_SUNRAST , "im8"},
{ CODEC_ID_SUNRAST , "im24"},
{ CODEC_ID_SUNRAST , "sunras"},
{ CODEC_ID_JPEG2000 , "jp2"},
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{ CODEC_ID_JPEG2000 , "jpc"},
{ CODEC_ID_DPX , "dpx"},
{ CODEC_ID_PICTOR , "pic"},
{ CODEC_ID_XBM , "xbm"},
{ CODEC_ID_XWD , "xwd"},
{ CODEC_ID_NONE , NULL}
};
static enum CodecID av_str2id(const IdStrMap *tags, const char *str)
{
str= strrchr(str, '.');
if(!str) return CODEC_ID_NONE;
str++;
while (tags->id) {
if (!av_strcasecmp(str, tags->str))
return tags->id;
tags++;
}
return CODEC_ID_NONE;
}
enum CodecID ff_guess_image2_codec(const char *filename)
{
return av_str2id(img_tags, filename);
}