diff options
| author | Tim Redfern <tim@eclectronics.org> | 2013-08-26 15:10:18 +0100 |
|---|---|---|
| committer | Tim Redfern <tim@eclectronics.org> | 2013-08-26 15:10:18 +0100 |
| commit | 150c9823e71a161e97003849cf8b2f55b21520bd (patch) | |
| tree | 3559c840cf403d1386708b2591d58f928c7b160d /ffmpeg1/libavutil/lzo.h | |
| parent | b4b1e2630c95d5e6014463f7608d59dc2322a3b8 (diff) | |
adding ffmpeg specific version
Diffstat (limited to 'ffmpeg1/libavutil/lzo.h')
| -rw-r--r-- | ffmpeg1/libavutil/lzo.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/ffmpeg1/libavutil/lzo.h b/ffmpeg1/libavutil/lzo.h new file mode 100644 index 0000000..c034039 --- /dev/null +++ b/ffmpeg1/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 */ |
