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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * LZO 1x decompression |
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| 3 | * copyright (c) 2006 Reimar Doeffinger |
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| 4 | * |
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| 5 | * This file is part of FFmpeg. |
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| 6 | * |
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| 7 | * FFmpeg is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU Lesser General Public |
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| 9 | * License as published by the Free Software Foundation; either |
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| 10 | * version 2.1 of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * FFmpeg is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * Lesser General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Lesser General Public |
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| 18 | * License along with FFmpeg; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | */ |
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| 21 | |||
| 22 | #ifndef AVUTIL_LZO_H |
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| 23 | #define AVUTIL_LZO_H |
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| 24 | |||
| 25 | /** |
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| 26 | * @defgroup lavu_lzo LZO |
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| 27 | * @ingroup lavu_crypto |
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| 28 | * |
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| 29 | * @{ |
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| 30 | */ |
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| 31 | |||
| 32 | #include |
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| 33 | |||
| 34 | /** @name Error flags returned by av_lzo1x_decode |
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| 35 | * @{ */ |
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| 36 | /// end of the input buffer reached before decoding finished |
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| 37 | #define AV_LZO_INPUT_DEPLETED 1 |
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| 38 | /// decoded data did not fit into output buffer |
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| 39 | #define AV_LZO_OUTPUT_FULL 2 |
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| 40 | /// a reference to previously decoded data was wrong |
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| 41 | #define AV_LZO_INVALID_BACKPTR 4 |
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| 42 | /// a non-specific error in the compressed bitstream |
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| 43 | #define AV_LZO_ERROR 8 |
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| 44 | /** @} */ |
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| 45 | |||
| 46 | #define AV_LZO_INPUT_PADDING 8 |
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| 47 | #define AV_LZO_OUTPUT_PADDING 12 |
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| 48 | |||
| 49 | /** |
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| 50 | * @brief Decodes LZO 1x compressed data. |
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| 51 | * @param out output buffer |
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| 52 | * @param outlen size of output buffer, number of bytes left are returned here |
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| 53 | * @param in input buffer |
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| 54 | * @param inlen size of input buffer, number of bytes left are returned here |
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| 55 | * @return 0 on success, otherwise a combination of the error flags above |
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| 56 | * |
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| 57 | * Make sure all buffers are appropriately padded, in must provide |
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| 58 | * AV_LZO_INPUT_PADDING, out must provide AV_LZO_OUTPUT_PADDING additional bytes. |
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| 59 | */ |
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| 60 | int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen); |
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| 61 | |||
| 62 | /** |
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| 63 | * @} |
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| 64 | */ |
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| 65 | |||
| 66 | #endif /* AVUTIL_LZO_H */ |