Function get_bits_diff

libavcodec/mpegvideoenc.h:411–419

                      const uint8_t *scantable, int last);

static inline int get_bits_diff(MPVEncContext *s)
{
    const int bits = put_bits_count(&s->pb);
    const int last = s->last_bits;

    s->last_bits = bits;

    return bits - last;
}

#endif