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| | | /* |
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| | | * LZO 1x decompression |
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| | | * copyright (c) 2006 Reimar Doeffinger |
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| | | * |
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| | | * This file is part of FFmpeg. |
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| | | * |
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| | | * FFmpeg is free software; you can redistribute it and/or |
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| | | * modify it under the terms of the GNU Lesser General Public |
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| | | * License as published by the Free Software Foundation; either |
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| | | * version 2.1 of the License, or (at your option) any later version. |
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| | | * |
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| | | * FFmpeg is distributed in the hope that it will be useful, |
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| | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| | | * Lesser General Public License for more details. |
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| | | * |
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| | | * You should have received a copy of the GNU Lesser General Public |
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| | | * License along with FFmpeg; if not, write to the Free Software |
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| | | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| | | */ |
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| | | |
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| | | #ifndef AVUTIL_LZO_H |
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| | | #define AVUTIL_LZO_H |
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| | | |
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| | | /** |
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| | | * @defgroup lavu_lzo LZO |
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| | | * @ingroup lavu_crypto |
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| | | * |
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| | | * @{ |
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| | | */ |
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| | | |
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| | | #include <stdint.h> |
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| | | |
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| | | /** @name Error flags returned by av_lzo1x_decode |
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| | | * @{ */ |
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| | | /// end of the input buffer reached before decoding finished |
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| | | #define AV_LZO_INPUT_DEPLETED 1 |
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| | | /// decoded data did not fit into output buffer |
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| | | #define AV_LZO_OUTPUT_FULL 2 |
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| | | /// a reference to previously decoded data was wrong |
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| | | #define AV_LZO_INVALID_BACKPTR 4 |
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| | | /// a non-specific error in the compressed bitstream |
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| | | #define AV_LZO_ERROR 8 |
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| | | /** @} */ |
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| | | |
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| | | #define AV_LZO_INPUT_PADDING 8 |
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| | | #define AV_LZO_OUTPUT_PADDING 12 |
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| | | |
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| | | /** |
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| | | * @brief Decodes LZO 1x compressed data. |
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| | | * @param out output buffer |
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| | | * @param outlen size of output buffer, number of bytes left are returned here |
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| | | * @param in input buffer |
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| | | * @param inlen size of input buffer, number of bytes left are returned here |
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| | | * @return 0 on success, otherwise a combination of the error flags above |
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| | | * |
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| | | * Make sure all buffers are appropriately padded, in must provide |
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| | | * AV_LZO_INPUT_PADDING, out must provide AV_LZO_OUTPUT_PADDING additional bytes. |
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| | | */ |
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| | | int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen); |
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| | | |
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| | | /** |
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| | | * @} |
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| | | */ |
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| | | |
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| | | #endif /* AVUTIL_LZO_H */ |
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