/* * LZO 1x decompression * copyright (c) 2006 Reimar Doeffinger * * 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 AVUTIL_LZO_H #define AVUTIL_LZO_H /** * @defgroup lavu_lzo LZO * @ingroup lavu_crypto * * @{ */ #include <stdint.h> /** @name Error flags returned by av_lzo1x_decode * @{ */ /// end of the input buffer reached before decoding finished #define AV_LZO_INPUT_DEPLETED … /// decoded data did not fit into output buffer #define AV_LZO_OUTPUT_FULL … /// a reference to previously decoded data was wrong #define AV_LZO_INVALID_BACKPTR … /// a non-specific error in the compressed bitstream #define AV_LZO_ERROR … /** @} */ #define AV_LZO_INPUT_PADDING … #define AV_LZO_OUTPUT_PADDING … /** * @brief Decodes LZO 1x compressed data. * @param out output buffer * @param outlen size of output buffer, number of bytes left are returned here * @param in input buffer * @param inlen size of input buffer, number of bytes left are returned here * @return 0 on success, otherwise a combination of the error flags above * * Make sure all buffers are appropriately padded, in must provide * AV_LZO_INPUT_PADDING, out must provide AV_LZO_OUTPUT_PADDING additional bytes. */ int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen); /** * @} */ #endif /* AVUTIL_LZO_H */
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