Maybe you can try this stream: http://184.108.40.206:8000/test I’ve tried butt, which produced same result. If I force ffmpeg to treat the stream as mp3 (-f mp3 in input options), it’s fast, but still reporting "header missing". If you try this stream on chrome on any Android device, you’ll know what I mean by “SLOW”. Thank you! Coppla Cheers!