a52_bit_allocate a52_bitstream_get_bh a52_bitstream_get_bh_2 a52_bitstream_set_ptr a52_block a52_downmix a52_downmix_coeff a52_downmix_init a52_dynrng a52_frame a52_free a52_imdct_256 a52_imdct_512 a52_imdct_init a52_init a52_samples a52_syncinfo a52_upmix