diff options
| -rwxr-xr-x | libavcodec/gif.h | 47 | ||||
| -rwxr-xr-x | libavcodec/gifdec.c | 11 |
2 files changed, 48 insertions, 10 deletions
diff --git a/libavcodec/gif.h b/libavcodec/gif.h new file mode 100755 index 0000000000..b5575344ac --- /dev/null +++ b/libavcodec/gif.h @@ -0,0 +1,47 @@ +/* + * GIF format definitions + * Copyright (c) 2003 Fabrice Bellard + * Copyright (c) 2006 Baptiste Coudurier + * Copyright (c) 2012 Vitaliy E Sugrobov + * + * This file is part of FFmpeg. + * + * FFmpeg 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. + * + * FFmpeg 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 FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * GIF format definitions. + */ + +#ifndef AVCODEC_GIFDEFS_H +#define AVCODEC_GIFDEFS_H + +#include <stdint.h> + +static const uint8_t gif87a_sig[6] = "GIF87a"; +static const uint8_t gif89a_sig[6] = "GIF89a"; + +#define GCE_DISPOSAL_NONE 0 +#define GCE_DISPOSAL_INPLACE 1 +#define GCE_DISPOSAL_BACKGROUND 2 +#define GCE_DISPOSAL_RESTORE 3 + +#define GIF_TRAILER 0x3b +#define GIF_EXTENSION_INTRODUCER 0x21 +#define GIF_IMAGE_SEPARATOR 0x2c +#define GIF_GCE_EXT_LABEL 0xf9 + +#endif /* AVCODEC_GIFDEFS_H */ diff --git a/libavcodec/gifdec.c b/libavcodec/gifdec.c index 2213733e25..63a8788a0c 100755 --- a/libavcodec/gifdec.c +++ b/libavcodec/gifdec.c @@ -28,15 +28,8 @@ #include "avcodec.h" #include "bytestream.h" #include "lzw.h" +#include "gif.h" -#define GCE_DISPOSAL_NONE 0 -#define GCE_DISPOSAL_INPLACE 1 -#define GCE_DISPOSAL_BACKGROUND 2 -#define GCE_DISPOSAL_RESTORE 3 -#define GIF_TRAILER 0x3b -#define GIF_EXTENSION_INTRODUCER 0x21 -#define GIF_IMAGE_SEPARATOR 0x2c -#define GIF_GCE_EXT_LABEL 0xf9 /* This value is intentionally set to "transparent white" color. * It is much better to have white background instead of black * when gif image converted to format which not support transparency. @@ -83,8 +76,6 @@ typedef struct GifState { int trans_color; /**< color value that is used instead of transparent color */ } GifState; -static const uint8_t gif87a_sig[6] = "GIF87a"; -static const uint8_t gif89a_sig[6] = "GIF89a"; static void gif_read_palette(const uint8_t **buf, uint32_t *pal, int nb) { const uint8_t *pal_end = *buf + nb * 3; |