pub unsafe extern fn opus_pcm_soft_clip(
    mut _x : *mut f32,
    mut N : i32,
    mut C : i32,
    mut declip_mem : *mut f32
) {
    let mut _currentBlock;
    let mut c : i32;
    let mut i : i32;
    let mut x : *mut f32;
    if C < 1i32 || N < 1i32 || _x.is_null() || declip_mem.is_null() {
    } else {
        i = 0i32;
        'loop2: loop {
            if !(i < N * C) {
                break;
            }
            *_x.offset(i as (isize)) = if -2.f32 > if 2.f32 < *_x.offset(
                                                                   i as (isize)
                                                               ) {
                                                       2.f32
                                                   } else {
                                                       *_x.offset(i as (isize))
                                                   } {
                                           -2.f32
                                       } else if 2.f32 < *_x.offset(i as (isize)) {
                                           2.f32
                                       } else {
                                           *_x.offset(i as (isize))
                                       };
            i = i + 1;
        }
        c = 0i32;
        'loop4: loop {
            if !(c < C) {
                break;
            }
            let mut a : f32;
            let mut x0 : f32;
            let mut curr : i32;
            x = _x.offset(c as (isize));
            a = *declip_mem.offset(c as (isize));
            i = 0i32;
            'loop7: loop {
                if !(i < N) {
                    break;
                }
                if *x.offset((i * C) as (isize)) * a >= 0i32 as (f32) {
                    break;
                }
                *x.offset((i * C) as (isize)) = *x.offset(
                                                     (i * C) as (isize)
                                                 ) + a * *x.offset((i * C) as (isize)) * *x.offset(
                                                                                              (i * C) as (isize)
                                                                                          );
                i = i + 1;
            }
            curr = 0i32;
            x0 = *x.offset(0isize);
            'loop12: loop {
                let mut start : i32;
                let mut end : i32;
                let mut maxval : f32;
                let mut special : i32 = 0i32;
                let mut peak_pos : i32;
                i = curr;
                'loop13: loop {
                    if !(i < N) {
                        break;
                    }
                    if *x.offset((i * C) as (isize)) > 1i32 as (f32) || *x.offset(
                                                                             (i * C) as (isize)
                                                                         ) < -1i32 as (f32) {
                        break;
                    }
                    i = i + 1;
                }
                if i == N {
                    _currentBlock = 36;
                    break;
                }
                peak_pos = i;
                start = {
                            end = i;
                            end
                        };
                maxval = if *x.offset((i * C) as (isize)) < 0i32 as (f32) {
                             -*x.offset((i * C) as (isize))
                         } else {
                             *x.offset((i * C) as (isize))
                         };
                'loop18: loop {
                    if !(start > 0i32 && (*x.offset((i * C) as (isize)) * *x.offset(
                                                                               ((start - 1i32) * C) as (isize)
                                                                           ) >= 0i32 as (f32))) {
                        break;
                    }
                    start = start - 1;
                }
                'loop19: loop {
                    if !(end < N && (*x.offset((i * C) as (isize)) * *x.offset(
                                                                          (end * C) as (isize)
                                                                      ) >= 0i32 as (f32))) {
                        break;
                    }
                    if if *x.offset((end * C) as (isize)) < 0i32 as (f32) {
                           -*x.offset((end * C) as (isize))
                       } else {
                           *x.offset((end * C) as (isize))
                       } > maxval {
                        maxval = if *x.offset((end * C) as (isize)) < 0i32 as (f32) {
                                     -*x.offset((end * C) as (isize))
                                 } else {
                                     *x.offset((end * C) as (isize))
                                 };
                        peak_pos = end;
                    }
                    end = end + 1;
                }
                special = (start == 0i32 && (*x.offset(
                                                  (i * C) as (isize)
                                              ) * *x.offset(0isize) >= 0i32 as (f32))) as (i32);
                a = (maxval - 1i32 as (f32)) / (maxval * maxval);
                a = a + a * 2.4e-7f32;
                if *x.offset((i * C) as (isize)) > 0i32 as (f32) {
                    a = -a;
                }
                i = start;
                'loop23: loop {
                    if !(i < end) {
                        break;
                    }
                    *x.offset((i * C) as (isize)) = *x.offset(
                                                         (i * C) as (isize)
                                                     ) + a * *x.offset(
                                                                  (i * C) as (isize)
                                                              ) * *x.offset((i * C) as (isize));
                    i = i + 1;
                }
                if special != 0 && (peak_pos >= 2i32) {
                    let mut delta : f32;
                    let mut offset : f32 = x0 - *x.offset(0isize);
                    delta = offset / peak_pos as (f32);
                    i = curr;
                    'loop26: loop {
                        if !(i < peak_pos) {
                            break;
                        }
                        offset = offset - delta;
                        let _rhs = offset;
                        let _lhs = &mut *x.offset((i * C) as (isize));
                        *_lhs = *_lhs + _rhs;
                        *x.offset((i * C) as (isize)) = if -1.f32 > if 1.f32 < *x.offset(
                                                                                    (i * C) as (isize)
                                                                                ) {
                                                                        1.f32
                                                                    } else {
                                                                        *x.offset(
                                                                             (i * C) as (isize)
                                                                         )
                                                                    } {
                                                            -1.f32
                                                        } else if 1.f32 < *x.offset(
                                                                               (i * C) as (isize)
                                                                           ) {
                                                            1.f32
                                                        } else {
                                                            *x.offset((i * C) as (isize))
                                                        };
                        i = i + 1;
                    }
                }
                curr = end;
                if curr == N {
                    _currentBlock = 37;
                    break;
                }
            }
            if _currentBlock == 36 {
                a = 0i32 as (f32);
            }
            *declip_mem.offset(c as (isize)) = a;
            c = c + 1;
        }
    }
}