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| author | Michael Niedermayer <michaelni@gmx.at> | 2006-03-06 14:13:01 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2006-03-06 14:13:01 +0000 |
| commit | 43a80ccee52bd478cbc5b575f9b4424de352138d (patch) | |
| tree | c347d1bbf1900f7129a83165df6388796b70d2f0 /libavutil/crc.h | |
| parent | 56419683b2e9f670d4ee231a92e13958f8134f37 (diff) | |
| download | ffmpeg-43a80ccee52bd478cbc5b575f9b4424de352138d.tar.gz | |
generic crc calculation code
Originally committed as revision 5115 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/crc.h')
| -rw-r--r-- | libavutil/crc.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libavutil/crc.h b/libavutil/crc.h new file mode 100644 index 0000000000..c5b2170174 --- /dev/null +++ b/libavutil/crc.h @@ -0,0 +1,15 @@ +#ifndef CRC_H +#define CRC_H + +typedef uint32_t AVCRC; + +extern AVCRC *av_crcEDB88320; +extern AVCRC *av_crc04C11DB7; +extern AVCRC *av_crc8005 ; +extern AVCRC *av_crc07 ; + +int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size); +uint32_t av_crc(const AVCRC *ctx, uint32_t start_crc, const uint8_t *buffer, size_t length); + +#endif /* CRC_H */ + |