user: What is the c source code of the assembly code below?

```asm
<col221111>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x48(%rbp)
  mov    %rsi,-0x50(%rbp)
  mov    %edx,-0x54(%rbp)
  mov    -0x50(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x54(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x48(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x48(%rbp),%rax
  add    $0x400,%rax
  mov    %rax,-0x8(%rbp)
  movl   $0x2,-0x3c(%rbp)
  jmp    L238
L307:
  movl   $0x4,-0x38(%rbp)
  jmp    L391
L65:
  movl   $0x0,-0x34(%rbp)
  jmp    L259
L328:
  mov    -0x34(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0x30(%rbp)
  mov    -0x34(%rbp),%eax
  add    $0x40,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0x2c(%rbp)
  mov    -0x30(%rbp),%eax
  imul   $0x32,%eax,%edx
  mov    -0x2c(%rbp),%eax
  imul   $0x82,%eax,%eax
  add    %edx,%eax
  sub    $0xffffff80,%eax
  sar    $0x8,%eax
  mov    %eax,-0x28(%rbp)
  mov    -0x34(%rbp),%eax
  lea    0x3(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x2,%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x34(%rbp),%eax
  and    $0x3,%eax
  add    %edx,%eax
  add    %eax,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0x24(%rbp)
  mov    -0x24(%rbp),%eax
  mov    %eax,%esi
  mov    -0x2c(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    %eax,%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  lea    (%rsi,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x24(%rbp),%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cmp    $0xff,%eax
  jbe    L29
  mov    -0x24(%rbp),%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  test   %eax,%eax
  jns    L75
  mov    $0x0,%ecx
  jmp    L155
L75:
  mov    $0xffffffff,%ecx
L155:
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    %eax,%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    %cl,(%rax)
L29:
  mov    -0x24(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x28(%rbp),%eax
  mov    %eax,%esi
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    %eax,%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  sub    %esi,%ecx
  mov    %ecx,%edx
  mov    %dl,(%rax)
  mov    -0x24(%rbp),%eax
  sub    -0x28(%rbp),%eax
  cmp    $0xff,%eax
  jbe    L182
  mov    -0x24(%rbp),%eax
  sub    -0x28(%rbp),%eax
  test   %eax,%eax
  jns    L68
  mov    $0x0,%ecx
  jmp    L46
L68:
  mov    $0xffffffff,%ecx
L46:
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    %eax,%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    %cl,(%rax)
L182:
  mov    -0x24(%rbp),%eax
  mov    %eax,%esi
  mov    -0x30(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    %eax,%eax
  cltq
  lea    0x2(%rax),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  lea    (%rsi,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x24(%rbp),%edx
  mov    -0x30(%rbp),%eax
  add    %edx,%eax
  cmp    $0xff,%eax
  jbe    L113
  mov    -0x24(%rbp),%edx
  mov    -0x30(%rbp),%eax
  add    %edx,%eax
  test   %eax,%eax
  jns    L22
  mov    $0x0,%ecx
  jmp    L398
L22:
  mov    $0xffffffff,%ecx
L398:
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    %eax,%eax
  cltq
  lea    0x2(%rax),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    %cl,(%rax)
L113:
  mov    -0x34(%rbp),%eax
  lea    0x3(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x2,%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x34(%rbp),%eax
  and    $0x3,%eax
  add    %edx,%eax
  add    %eax,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0x24(%rbp)
  mov    -0x24(%rbp),%eax
  mov    %eax,%esi
  mov    -0x2c(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x34(%rbp),%eax
  add    %eax,%eax
  lea    0x1(%rax),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  lea    (%rsi,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x24(%rbp),%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cmp    $0xff,%eax
  jbe    L205
  mov    -0x24(%rbp),%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  test   %eax,%eax
  jns    L193
  mov    $0x0,%ecx
  jmp    L71
L193:
  mov    $0xffffffff,%ecx
L71:
  mov    -0x34(%rbp),%eax
  add    %eax,%eax
  lea    0x1(%rax),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    %cl,(%rax)
L205:
  mov    -0x24(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x28(%rbp),%eax
  mov    %eax,%esi
  mov    -0x34(%rbp),%eax
  add    %eax,%eax
  lea    0x1(%rax),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  sub    %esi,%ecx
  mov    %ecx,%edx
  mov    %dl,(%rax)
  mov    -0x24(%rbp),%eax
  sub    -0x28(%rbp),%eax
  cmp    $0xff,%eax
  jbe    L417
  mov    -0x24(%rbp),%eax
  sub    -0x28(%rbp),%eax
  test   %eax,%eax
  jns    L59
  mov    $0x0,%ecx
  jmp    L306
L59:
  mov    $0xffffffff,%ecx
L306:
  mov    -0x34(%rbp),%eax
  add    %eax,%eax
  lea    0x1(%rax),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    %cl,(%rax)
L417:
  mov    -0x24(%rbp),%eax
  mov    %eax,%esi
  mov    -0x30(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x34(%rbp),%eax
  add    %eax,%eax
  lea    0x1(%rax),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x2(%rax),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  lea    (%rsi,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x24(%rbp),%edx
  mov    -0x30(%rbp),%eax
  add    %edx,%eax
  cmp    $0xff,%eax
  jbe    L126
  mov    -0x24(%rbp),%edx
  mov    -0x30(%rbp),%eax
  add    %edx,%eax
  test   %eax,%eax
  jns    L188
  mov    $0x0,%ecx
  jmp    L132
L188:
  mov    $0xffffffff,%ecx
L132:
  mov    -0x34(%rbp),%eax
  add    %eax,%eax
  lea    0x1(%rax),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x2(%rax),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    %cl,(%rax)
L126:
  mov    -0x34(%rbp),%eax
  lea    0x3(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x2,%eax
  shl    $0x3,%eax
  add    $0x1,%eax
  lea    0x0(,%rax,4),%edx
  mov    -0x34(%rbp),%eax
  and    $0x3,%eax
  add    %edx,%eax
  add    %eax,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0x24(%rbp)
  mov    -0x24(%rbp),%eax
  mov    %eax,%esi
  mov    -0x2c(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    %eax,%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  lea    (%rsi,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x24(%rbp),%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cmp    $0xff,%eax
  jbe    L189
  mov    -0x24(%rbp),%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  test   %eax,%eax
  jns    L311
  mov    $0x0,%ecx
  jmp    L95
L311:
  mov    $0xffffffff,%ecx
L95:
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    %eax,%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %cl,(%rax)
L189:
  mov    -0x24(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x28(%rbp),%eax
  mov    %eax,%esi
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    %eax,%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  sub    %esi,%ecx
  mov    %ecx,%edx
  mov    %dl,(%rax)
  mov    -0x24(%rbp),%eax
  sub    -0x28(%rbp),%eax
  cmp    $0xff,%eax
  jbe    L33
  mov    -0x24(%rbp),%eax
  sub    -0x28(%rbp),%eax
  test   %eax,%eax
  jns    L39
  mov    $0x0,%ecx
  jmp    L2
L39:
  mov    $0xffffffff,%ecx
L2:
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    %eax,%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %cl,(%rax)
L33:
  mov    -0x24(%rbp),%eax
  mov    %eax,%esi
  mov    -0x30(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    %eax,%eax
  cltq
  lea    0x2(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  lea    (%rsi,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x24(%rbp),%edx
  mov    -0x30(%rbp),%eax
  add    %edx,%eax
  cmp    $0xff,%eax
  jbe    L407
  mov    -0x24(%rbp),%edx
  mov    -0x30(%rbp),%eax
  add    %edx,%eax
  test   %eax,%eax
  jns    L162
  mov    $0x0,%ecx
  jmp    L200
L162:
  mov    $0xffffffff,%ecx
L200:
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    %eax,%eax
  cltq
  lea    0x2(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %cl,(%rax)
L407:
  mov    -0x34(%rbp),%eax
  lea    0x3(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x2,%eax
  shl    $0x3,%eax
  add    $0x1,%eax
  lea    0x0(,%rax,4),%edx
  mov    -0x34(%rbp),%eax
  and    $0x3,%eax
  add    %edx,%eax
  add    %eax,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0x24(%rbp)
  mov    -0x24(%rbp),%eax
  mov    %eax,%esi
  mov    -0x2c(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x34(%rbp),%eax
  add    %eax,%eax
  lea    0x1(%rax),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  lea    (%rsi,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x24(%rbp),%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cmp    $0xff,%eax
  jbe    L233
  mov    -0x24(%rbp),%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  test   %eax,%eax
  jns    L14
  mov    $0x0,%ecx
  jmp    L208
L14:
  mov    $0xffffffff,%ecx
L208:
  mov    -0x34(%rbp),%eax
  add    %eax,%eax
  lea    0x1(%rax),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %cl,(%rax)
L233:
  mov    -0x24(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x28(%rbp),%eax
  mov    %eax,%esi
  mov    -0x34(%rbp),%eax
  add    %eax,%eax
  lea    0x1(%rax),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  sub    %esi,%ecx
  mov    %ecx,%edx
  mov    %dl,(%rax)
  mov    -0x24(%rbp),%eax
  sub    -0x28(%rbp),%eax
  cmp    $0xff,%eax
  jbe    L116
  mov    -0x24(%rbp),%eax
  sub    -0x28(%rbp),%eax
  test   %eax,%eax
  jns    L416
  mov    $0x0,%ecx
  jmp    L231
L416:
  mov    $0xffffffff,%ecx
L231:
  mov    -0x34(%rbp),%eax
  add    %eax,%eax
  lea    0x1(%rax),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %cl,(%rax)
L116:
  mov    -0x24(%rbp),%eax
  mov    %eax,%esi
  mov    -0x30(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x34(%rbp),%eax
  add    %eax,%eax
  lea    0x1(%rax),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x2(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  lea    (%rsi,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x24(%rbp),%edx
  mov    -0x30(%rbp),%eax
  add    %edx,%eax
  cmp    $0xff,%eax
  jbe    L77
  mov    -0x24(%rbp),%edx
  mov    -0x30(%rbp),%eax
  add    %edx,%eax
  test   %eax,%eax
  jns    L137
  mov    $0x0,%ecx
  jmp    L365
L137:
  mov    $0xffffffff,%ecx
L365:
  mov    -0x34(%rbp),%eax
  add    %eax,%eax
  lea    0x1(%rax),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x2(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %cl,(%rax)
L77:
  addl   $0x1,-0x34(%rbp)
L259:
  cmpl   $0x7,-0x34(%rbp)
  jle    L328
  addq   $0x20,-0x8(%rbp)
  addq   $0x40,-0x10(%rbp)
  mov    -0x54(%rbp),%eax
  add    %eax,%eax
  cltq
  add    %rax,-0x20(%rbp)
  mov    -0x54(%rbp),%eax
  add    %eax,%eax
  cltq
  add    %rax,-0x18(%rbp)
  subl   $0x1,-0x38(%rbp)
L391:
  cmpl   $0x0,-0x38(%rbp)
  jg     L65
  addq   $0x100,-0x10(%rbp)
  subl   $0x1,-0x3c(%rbp)
L238:
  cmpl   $0x0,-0x3c(%rbp)
  jg     L307
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void col221111(int *out, unsigned char *pic, int width) {
  int i, j, k;
  unsigned char *pic0, *pic1;
  int *outy, *outc;
  int cr, cg, cb, y;
  pic0 = pic;
  pic1 = pic + width;
  outy = out;
  outc = out + 64 * 4;
  for (i = 2; i > 0; i--) {
    for (j = 4; j > 0; j--) {
      for (k = 0; k < 8; k++)
        ((cb = outc[0 + 0 * 8 + k], cr = outc[64 + 0 * 8 + k], cg = (50 * cb + 130 * cr + 128) >> 8), (y = outy[(k / 4 * 8 + 0) * 8 + (k & 3) * 2 + 0], ((pic0[(k * 2 + 0) * 3 + 0]) = (y + cr), (unsigned int)(y + cr) >= 256 ? ((pic0[(k * 2 + 0) * 3 + 0]) = (y + cr) < 0 ? 0 : 255) : 0), ((pic0[(k * 2 + 0) * 3 + 1]) = (y - cg), (unsigned int)(y - cg) >= 256 ? ((pic0[(k * 2 + 0) * 3 + 1]) = (y - cg) < 0 ? 0 : 255) : 0), ((pic0[(k * 2 + 0) * 3 + 2]) = (y + cb), (unsigned int)(y + cb) >= 256 ? ((pic0[(k * 2 + 0) * 3 + 2]) = (y + cb) < 0 ? 0 : 255) : 0)), (y = outy[(k / 4 * 8 + 0) * 8 + (k & 3) * 2 + 1], ((pic0[(k * 2 + 1) * 3 + 0]) = (y + cr), (unsigned int)(y + cr) >= 256 ? ((pic0[(k * 2 + 1) * 3 + 0]) = (y + cr) < 0 ? 0 : 255) : 0), ((pic0[(k * 2 + 1) * 3 + 1]) = (y - cg), (unsigned int)(y - cg) >= 256 ? ((pic0[(k * 2 + 1) * 3 + 1]) = (y - cg) < 0 ? 0 : 255) : 0), ((pic0[(k * 2 + 1) * 3 + 2]) = (y + cb), (unsigned int)(y + cb) >= 256 ? ((pic0[(k * 2 + 1) * 3 + 2]) = (y + cb) < 0 ? 0 : 255) : 0)), (y = outy[(k / 4 * 8 + 1) * 8 + (k & 3) * 2 + 0], ((pic1[(k * 2 + 0) * 3 + 0]) = (y + cr), (unsigned int)(y + cr) >= 256 ? ((pic1[(k * 2 + 0) * 3 + 0]) = (y + cr) < 0 ? 0 : 255) : 0), ((pic1[(k * 2 + 0) * 3 + 1]) = (y - cg), (unsigned int)(y - cg) >= 256 ? ((pic1[(k * 2 + 0) * 3 + 1]) = (y - cg) < 0 ? 0 : 255) : 0), ((pic1[(k * 2 + 0) * 3 + 2]) = (y + cb), (unsigned int)(y + cb) >= 256 ? ((pic1[(k * 2 + 0) * 3 + 2]) = (y + cb) < 0 ? 0 : 255) : 0)), (y = outy[(k / 4 * 8 + 1) * 8 + (k & 3) * 2 + 1], ((pic1[(k * 2 + 1) * 3 + 0]) = (y + cr), (unsigned int)(y + cr) >= 256 ? ((pic1[(k * 2 + 1) * 3 + 0]) = (y + cr) < 0 ? 0 : 255) : 0), ((pic1[(k * 2 + 1) * 3 + 1]) = (y - cg), (unsigned int)(y - cg) >= 256 ? ((pic1[(k * 2 + 1) * 3 + 1]) = (y - cg) < 0 ? 0 : 255) : 0), ((pic1[(k * 2 + 1) * 3 + 2]) = (y + cb), (unsigned int)(y + cb) >= 256 ? ((pic1[(k * 2 + 1) * 3 + 2]) = (y + cb) < 0 ? 0 : 255) : 0)));
      outc += 8;
      outy += 16;
      pic0 += 2 * width;
      pic1 += 2 * width;
    }
    outy += 64 * 2 - 16 * 4;
  }
}
```