screenshot.rs

fn start_cropped_screencast_process_gif(slop_out: &SlopOutput, out_path: &Path) -> (Child, Child) {
  let ffmpeg_proc =
    Command::new("ffmpeg")
    .args(&["-f", "x11grab",
            "-s", &format!("{}x{}", slop_out.w, slop_out.h),
            "-i", &format!(":0.0+{},{}", slop_out.x, slop_out.y),
            "-an",
            "-f", "image2pipe",
            "-vcodec", "ppm",
            "-"])
    .stdout(Stdio::piped())
    .stderr(Stdio::null())
    .spawn().unwrap();

  let imagick_proc: Child;
  unsafe {
    imagick_proc =
      Command::new("convert")
        .args(&["-delay", "5",
                "-loop", "0",
                "-",
                &out_path.to_string_lossy().into_owned()])
        .stdin(Stdio::from_raw_fd(ffmpeg_proc.stdout.as_ref().unwrap().as_raw_fd().clone()))
        .stderr(Stdio::null())
        .spawn().unwrap();
    }

  (ffmpeg_proc, imagick_proc)
}