repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * S3 Texture Compression (S3TC) decoding functions | |
| 3 | * Copyright (c) 2007 by Ivo van Poorten | |
| 4 | * | |
| 5 | * This file is part of FFmpeg. | |
| 6 | * | |
| 7 | * FFmpeg is free software; you can redistribute it and/or | |
| 8 | * modify it under the terms of the GNU Lesser General Public | |
| 9 | * License as published by the Free Software Foundation; either | |
| 10 | * version 2.1 of the License, or (at your option) any later version. | |
| 11 | * | |
| 12 | * FFmpeg is distributed in the hope that it will be useful, | |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 | * Lesser General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU Lesser General Public | |
| 18 | * License along with FFmpeg; if not, write to the Free Software | |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 20 | */ | |
| 21 | ||
| 22 | #ifndef AVCODEC_S3TC_H | |
| 23 | #define AVCODEC_S3TC_H | |
| 24 | ||
| 25 | #include <stdint.h> | |
| 26 | ||
| 27 | #include "bytestream.h" | |
| 28 | ||
| 29 | #define FF_S3TC_DXT1 0x31545844 | |
| 30 | #define FF_S3TC_DXT3 0x33545844 | |
| 31 | ||
| 32 | /** | |
| 33 | * Decode DXT1 encoded data to RGB32 | |
| 34 | * @param gb GetByteContext | |
| 35 | * @param dst destination buffer | |
| 36 | * @param w width of output image | |
| 37 | * @param h height of output image | |
| 38 | * @param stride line size of output image | |
| 39 | */ | |
| 40 | void ff_decode_dxt1(GetByteContext *gb, uint8_t *dst, | |
| 41 | const unsigned int w, const unsigned int h, | |
| 42 | const unsigned int stride); | |
| 43 | /** | |
| 44 | * Decode DXT3 encoded data to RGB32 | |
| 45 | * @param gb GetByteContext | |
| 46 | * @param dst destination buffer | |
| 47 | * @param w width of output image | |
| 48 | * @param h height of output image | |
| 49 | * @param stride line size of output image | |
| 50 | */ | |
| 51 | void ff_decode_dxt3(GetByteContext *gb, uint8_t *dst, | |
| 52 | const unsigned int w, const unsigned int h, | |
| 53 | const unsigned int stride); | |
| 54 | ||
| 55 | #endif /* AVCODEC_S3TC_H */ |