static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
{
#ifdef BITSTREAM_READER_LE
    uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);
    bc->bits >>= n;
#else
    uint64_t ret = bc->bits >> (64 - n);
    bc->bits <<= n;
#endif
    bc->bits_left -= n;
    return ret;
}
['static int wv_get_value(WavpackFrameContext *ctx, BitstreamContext *bc,\n                        int channel, int *last)\n{\n    int t, t2;\n    int sign, base, add, ret;\n    WvChannel *c = &ctx->ch[channel];\n    *last = 0;\n    if ((ctx->ch[0].median[0] < 2U) && (ctx->ch[1].median[0] < 2U) &&\n        !ctx->zero && !ctx->one) {\n        if (ctx->zeroes) {\n            ctx->zeroes--;\n            if (ctx->zeroes) {\n                c->slow_level -= LEVEL_DECAY(c->slow_level);\n                return 0;\n            }\n        } else {\n            t = get_unary_0_33(bc);\n            if (t >= 2) {\n                if (bitstream_bits_left(bc) < t - 1)\n                    goto error;\n                t = bitstream_read(bc, t - 1) | (1 << (t - 1));\n            } else {\n                if (bitstream_bits_left(bc) < 0)\n                    goto error;\n            }\n            ctx->zeroes = t;\n            if (ctx->zeroes) {\n                memset(ctx->ch[0].median, 0, sizeof(ctx->ch[0].median));\n                memset(ctx->ch[1].median, 0, sizeof(ctx->ch[1].median));\n                c->slow_level -= LEVEL_DECAY(c->slow_level);\n                return 0;\n            }\n        }\n    }\n    if (ctx->zero) {\n        t         = 0;\n        ctx->zero = 0;\n    } else {\n        t = get_unary_0_33(bc);\n        if (bitstream_bits_left(bc) < 0)\n            goto error;\n        if (t == 16) {\n            t2 = get_unary_0_33(bc);\n            if (t2 < 2) {\n                if (bitstream_bits_left(bc) < 0)\n                    goto error;\n                t += t2;\n            } else {\n                if (bitstream_bits_left(bc) < t2 - 1)\n                    goto error;\n                t += bitstream_read(bc, t2 - 1) | (1 << (t2 - 1));\n            }\n        }\n        if (ctx->one) {\n            ctx->one = t & 1;\n            t        = (t >> 1) + 1;\n        } else {\n            ctx->one = t & 1;\n            t      >>= 1;\n        }\n        ctx->zero = !ctx->one;\n    }\n    if (ctx->hybrid && !channel)\n        update_error_limit(ctx);\n    if (!t) {\n        base = 0;\n        add  = GET_MED(0) - 1;\n        DEC_MED(0);\n    } else if (t == 1) {\n        base = GET_MED(0);\n        add  = GET_MED(1) - 1;\n        INC_MED(0);\n        DEC_MED(1);\n    } else if (t == 2) {\n        base = GET_MED(0) + GET_MED(1);\n        add  = GET_MED(2) - 1;\n        INC_MED(0);\n        INC_MED(1);\n        DEC_MED(2);\n    } else {\n        base = GET_MED(0) + GET_MED(1) + GET_MED(2) * (t - 2);\n        add  = GET_MED(2) - 1;\n        INC_MED(0);\n        INC_MED(1);\n        INC_MED(2);\n    }\n    if (!c->error_limit) {\n        ret = base + get_tail(bc, add);\n        if (bitstream_bits_left(bc) <= 0)\n            goto error;\n    } else {\n        int mid = (base * 2 + add + 1) >> 1;\n        while (add > c->error_limit) {\n            if (bitstream_bits_left(bc) <= 0)\n                goto error;\n            if (bitstream_read_bit(bc)) {\n                add -= (mid - base);\n                base = mid;\n            } else\n                add = mid - base - 1;\n            mid = (base * 2 + add + 1) >> 1;\n        }\n        ret = mid;\n    }\n    sign = bitstream_read_bit(bc);\n    if (ctx->hybrid_bitrate)\n        c->slow_level += wp_log2(ret) - LEVEL_DECAY(c->slow_level);\n    return sign ? ~ret : ret;\nerror:\n    *last = 1;\n    return 0;\n}', 'static inline int get_unary_0_33(BitstreamContext *bc)\n{\n    return get_unary(bc, 0, 33);\n}', 'static inline int get_unary(BitstreamContext *bc, int stop, int len)\n{\n    int i;\n    for (i = 0; i < len && bitstream_read_bit(bc) != stop; i++)\n        ;\n    return i;\n}', 'static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)\n{\n    if (!n)\n        return 0;\n    if (n > bc->bits_left) {\n        refill_32(bc);\n        if (bc->bits_left < 32)\n            bc->bits_left = n;\n    }\n    return get_val(bc, n);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n    uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n    bc->bits >>= n;\n#else\n    uint64_t ret = bc->bits >> (64 - n);\n    bc->bits <<= n;\n#endif\n    bc->bits_left -= n;\n    return ret;\n}']