Lines Matching refs:crc
25 #include "libavutil/crc.h"
100 uint16_t crc;
102 crc = av_crc(crc_2D, 0, buf, buf_size - 2);
103 crc ^= AV_RL16(buf + buf_size - 2);
104 return crc;
119 int crc = crc_1D[buf[0] & 0x3f];
120 crc = av_crc(crc_1D, crc, buf + 1, num_bytes - 2);
121 crc ^= buf[num_bytes - 1];
124 crc <<= 1;
125 if (crc & 0x100)
126 crc ^= 0x11D;
127 crc ^= (buf[num_bytes] >> (7 - i)) & 1;
130 return crc;