user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  lea    -0x26a000(%rsp),%rax
L97:
  cmp    %rax,%rsp
  je     L84
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L97
L84:
  sub    $0xc00,%rsp
  orq    $0x0,0xbf8(%rsp)
  mov    %rsp,%rdi
  lea    -0x9a000(%rsp),%rax
L39:
  cmp    %rax,%rsp
  je     L28
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L39
L28:
  sub    $0xb00,%rsp
  orq    $0x0,0xaf8(%rsp)
  mov    %rsp,%rbx
  lea    -0x9a000(%rsp),%rax
L79:
  cmp    %rax,%rsp
  je     L75
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L79
L75:
  sub    $0xb00,%rsp
  orq    $0x0,0xaf8(%rsp)
  mov    %rsp,%r12
  mov    %rdi,%r15
  lea    0x26ac00(%rdi),%rdx
  mov    %rdi,%rax
L3:
  movb   $0x0,(%rax)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L3
  call   <fill_volume@plt>
  mov    $0x0,%eax
L64:
  movb   $0x80,(%rbx,%rax,1)
  movb   $0x80,(%r12,%rax,1)
  add    $0x1,%rax
  cmp    $0x9ab00,%rax
  jne    L64
  lea    D27(%rip),%rsi
  lea    D11(%rip),%rdi
  call   <fopen@plt>
  mov    %rax,%r14
  mov    $0x0,%r13d
L50:
  mov    %r14,%rcx
  mov    $0x18c00,%edx
  mov    $0x1,%esi
  mov    %r15,%rdi
  call   <fwrite@plt>
  mov    %r13d,%eax
  shr    $0x2,%eax
  mov    %eax,%eax
  mov    %rax,-0x48(%rbp)
  lea    (%rbx,%rax,1),%rdi
  mov    %r14,%rcx
  mov    $0x6300,%edx
  mov    $0x1,%esi
  call   <fwrite@plt>
  mov    -0x48(%rbp),%rax
  lea    (%r12,%rax,1),%rdi
  mov    %r14,%rcx
  mov    $0x6300,%edx
  mov    $0x1,%esi
  call   <fwrite@plt>
  add    $0x18c00,%r15
  add    $0x18c00,%r13d
  cmp    $0x26ac00,%r13d
  jne    L50
  mov    %r14,%rdi
  call   <fclose@plt>
  mov    $0x120,%ecx
  mov    $0x160,%edx
  mov    $0x19,%esi
  lea    D5(%rip),%rdi
  call   <printf@plt>
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L60
  mov    $0x0,%eax
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L60:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D27
type: string
name: read_data
arguments: data_tag: D11
type: string
name: read_data
arguments: data_tag: D5
type: string

tool: D27: wb

tool: D11: yuv420p_25f_352x288.bin

tool: D5: %i frames (%ix%i) written to yuv420p_25f_352x288.bin


assistant: ```c
int main(int argc, char **argv) {
  uint32_t num_elements = 352 * 288 * 25;
  uint32_t pixels_per_frame = 352 * 288;
  unsigned char y[num_elements];
  unsigned char u[num_elements / 4];
  unsigned char v[num_elements / 4];
  uint32_t i = 0;
  for (; i < num_elements; ++i) {
    y[i] = 0;
  }
  fill_volume(y);
  i = 0;
  for (; i < num_elements / 4; ++i) {
    u[i] = 128;
    v[i] = 128;
  }
  unsigned int z = 0;
  FILE *out = fopen("yuv420p_25f_352x288.bin", "wb");
  for (; z < 25; ++z) {
    fwrite(&y[z * pixels_per_frame], 1, pixels_per_frame, out);
    fwrite(&u[z * pixels_per_frame / 4], 1, pixels_per_frame / 4, out);
    fwrite(&v[z * pixels_per_frame / 4], 1, pixels_per_frame / 4, out);
  }
  fclose(out);
  printf("%i frames (%ix%i) written to yuv420p_25f_352x288.bin\n", 25, 352, 288);
  return 0;
}
```