4 typedef uint32_t AVCRC;
6 extern AVCRC *av_crcEDB88320;
7 extern AVCRC *av_crc04C11DB7;
8 extern AVCRC *av_crc8005 ;
9 extern AVCRC *av_crc07 ;
11 int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size);
12 uint32_t av_crc(const AVCRC *ctx, uint32_t start_crc, const uint8_t *buffer, size_t length);