Function get_bits64

libavcodec/get_bits.h:456–469

* Read 0-64 bits. */

 * Read 0-64 bits.
 */
static inline uint64_t get_bits64(GetBitContext *s, int n)
{
    if (n <= 32) {
        return get_bits_long(s, n);
    } else {
#ifdef BITSTREAM_READER_LE
        uint64_t ret = get_bits_long(s, 32);
        return ret | (uint64_t) get_bits_long(s, n - 32) << 32;
#else
        uint64_t ret = (uint64_t) get_bits_long(s, n - 32) << 32;
        return ret | get_bits_long(s, 32);
#endif
    }
}

/**
 * Read 0-32 bits as a signed integer.