FFmpeg4/libavcodec/sunrast.h

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2023-07-02 12:20:28 +00:00
/*
* Sun Rasterfile Image Format
* Copyright (c) 2007, 2008 Ivo van Poorten
*
* 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
*/
#ifndef AVCODEC_SUNRAST_H
#define AVCODEC_SUNRAST_H
#define RAS_MAGIC 0x59a66a95
#define RMT_NONE 0
#define RMT_EQUAL_RGB 1
#define RMT_RAW 2 ///< the data layout of this map type is unknown
/* The Old and Standard format types indicate that the image data is
* uncompressed. There is no difference between the two formats. */
#define RT_OLD 0
#define RT_STANDARD 1
/* The Byte-Encoded format type indicates that the image data is compressed
* using a run-length encoding scheme. */
#define RT_BYTE_ENCODED 2
#define RLE_TRIGGER 0x80
/* The RGB format type indicates that the image is uncompressed with reverse
* component order from Old and Standard (RGB vs BGR). */
#define RT_FORMAT_RGB 3
/* The TIFF and IFF format types indicate that the raster file was originally
* converted from either of these file formats. We do not have any samples or
* documentation of the format details. */
#define RT_FORMAT_TIFF 4
#define RT_FORMAT_IFF 5
/* The Experimental format type is implementation-specific and is generally an
* indication that the image file does not conform to the Sun Raster file
* format specification. */
#define RT_EXPERIMENTAL 0xffff
#endif /* AVCODEC_SUNRAST_H */