Function get_bits

libavcodec/get_bits.h:337–348

* Read 1-25 bits. */

 * Read 1-25 bits.
 */
static inline unsigned int get_bits(GetBitContext *s, int n)
{
    register unsigned int tmp;
    OPEN_READER(re, s);
    av_assert2(n>0 && n<=25);
    UPDATE_CACHE(re, s);
    tmp = SHOW_UBITS(re, s, n);
    LAST_SKIP_BITS(re, s, n);
    CLOSE_READER(re, s);
    av_assert2(tmp < UINT64_C(1) << n);
    return tmp;
}

/**
 * Read 0-25 bits.