title: How to push mp3 to srs with ffmpeg?
body: <p>I push my MP3 file like this:</p>
  <pre><code>ffmpeg.exe -re -stream_loop -1 -i ./ring.mp3 -c copy -f mp3 rtmp://${domain}/live/test
  </code></pre>
  <p>But the PotPlayer couldn't accept it well.</p>