av_rc4_init 155 libavformat/asfcrypt.c av_rc4_init(&rc4, key, 12 * 8, 1); av_rc4_init 165 libavformat/asfcrypt.c av_rc4_init(&rc4, (uint8_t *)&packetkey, 64, 1); av_rc4_init 66 libavutil/rc4.c av_rc4_init(&r, key, keylen * 8, 0); av_rc4_init 37 libavutil/rc4.h int av_rc4_init(struct AVRC4 *d, const uint8_t *key, int key_bits, int decrypt);