AV_RB64            83 libavutil/intreadwrite.h #  define AV_RB64(x)    AV_RN64(x)
AV_RB64           101 libavutil/intreadwrite.h #  define AV_RB64(x)    bswap_64(AV_RN64(x))
AV_RB64           139 libavutil/intreadwrite.h #define AV_RB64(x)  (((uint64_t)((const uint8_t*)(x))[0] << 56) | \