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Diffstat (limited to 'libavcodec/gif.h')
-rw-r--r-- | libavcodec/gif.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libavcodec/gif.h b/libavcodec/gif.h new file mode 100644 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 */ |