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author | Fox Caminiti <fox@foxcam.net> | 2022-12-16 20:16:43 -0500 |
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committer | Fox Caminiti <fox@foxcam.net> | 2022-12-16 20:16:43 -0500 |
commit | bedd6906eabdd513042d6a178d4dc56a3a41d1d3 (patch) | |
tree | 2bcbd3e46ae61e583707a2ccc5b3f5cfeacb61a8 /dependencies/include/libavutil/lzo.h | |
parent | cdb9e1f7240cb0716b7d99df5e1fd7c3fc3407a8 (diff) |
v3, file/build organization
Diffstat (limited to 'dependencies/include/libavutil/lzo.h')
-rw-r--r-- | dependencies/include/libavutil/lzo.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/dependencies/include/libavutil/lzo.h b/dependencies/include/libavutil/lzo.h new file mode 100644 index 0000000..c034039 --- /dev/null +++ b/dependencies/include/libavutil/lzo.h @@ -0,0 +1,66 @@ +/* + * 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 1 +/// decoded data did not fit into output buffer +#define AV_LZO_OUTPUT_FULL 2 +/// a reference to previously decoded data was wrong +#define AV_LZO_INVALID_BACKPTR 4 +/// a non-specific error in the compressed bitstream +#define AV_LZO_ERROR 8 +/** @} */ + +#define AV_LZO_INPUT_PADDING 8 +#define AV_LZO_OUTPUT_PADDING 12 + +/** + * @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 */ |