async clipify

src-lib/src/video.rs

@@ -67,6 +67,25 @@ pub fn clip(output: &String, input: &String, content_span: ContentSpan) -> Resul
    }
 }
 
+pub async fn clip_async(output: &String, input: &String, content_span: ContentSpan) -> Result<(), String> {
+   fs::create_dir_all(Path::new(output).parent().unwrap()).unwrap();
+   match async_process::Command::new("ffmpeg")
+      .args([
+         "-y",
+         "-ss", &content_span.start.to_string(),
+         "-i", input,
+         "-t", &(content_span.stop - content_span.start).to_string(),
+         output,
+      ])
+      .output().await {
+      Ok(output) => match output.status.success() {
+         true => Ok(()),
+         false => Err(format!("failed to ffmpeg clip {}: {}", input, String::from_utf8(output.stderr).unwrap())),
+      },
+      Err(msg) => Err(format!("failed to ffmpeg clip {}: {}", input, msg)),
+   }
+}
+
 pub fn screenshot(output: &String, input: &String, ts: f32) -> Result<(), String> {
    match screenshot_png(input, ts) {
       Ok(png) => {