repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * LZO 1x decompression | |
| 3 | * copyright (c) 2006 Reimar Doeffinger | |
| 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 AVUTIL_LZO_H | |
| 23 | #define AVUTIL_LZO_H | |
| 24 | ||
| 25 | /** | |
| 26 | * @defgroup lavu_lzo LZO | |
| 27 | * @ingroup lavu_crypto | |
| 28 | * | |
| 29 | * @{ | |
| 30 | */ | |
| 31 | ||
| 32 | #include <stdint.h> | |
| 33 | ||
| 34 | /** @name Error flags returned by av_lzo1x_decode | |
| 35 | * @{ */ | |
| 36 | /// end of the input buffer reached before decoding finished | |
| 37 | #define AV_LZO_INPUT_DEPLETED 1 | |
| 38 | /// decoded data did not fit into output buffer | |
| 39 | #define AV_LZO_OUTPUT_FULL 2 | |
| 40 | /// a reference to previously decoded data was wrong | |
| 41 | #define AV_LZO_INVALID_BACKPTR 4 | |
| 42 | /// a non-specific error in the compressed bitstream | |
| 43 | #define AV_LZO_ERROR 8 | |
| 44 | /** @} */ | |
| 45 | ||
| 46 | #define AV_LZO_INPUT_PADDING 8 | |
| 47 | #define AV_LZO_OUTPUT_PADDING 12 | |
| 48 | ||
| 49 | /** | |
| 50 | * @brief Decodes LZO 1x compressed data. | |
| 51 | * @param out output buffer | |
| 52 | * @param outlen size of output buffer, number of bytes left are returned here | |
| 53 | * @param in input buffer | |
| 54 | * @param inlen size of input buffer, number of bytes left are returned here | |
| 55 | * @return 0 on success, otherwise a combination of the error flags above | |
| 56 | * | |
| 57 | * Make sure all buffers are appropriately padded, in must provide | |
| 58 | * AV_LZO_INPUT_PADDING, out must provide AV_LZO_OUTPUT_PADDING additional bytes. | |
| 59 | */ | |
| 60 | int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen); | |
| 61 | ||
| 62 | /** | |
| 63 | * @} | |
| 64 | */ | |
| 65 | ||
| 66 | #endif /* AVUTIL_LZO_H */ |