From 43a80ccee52bd478cbc5b575f9b4424de352138d Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 6 Mar 2006 14:13:01 +0000 Subject: generic crc calculation code Originally committed as revision 5115 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavutil/crc.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 libavutil/crc.h (limited to 'libavutil/crc.h') 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 */ + -- cgit v1.2.3