test hls only

hls_download.py

@@ -17,7 +17,7 @@ def download_clips(stream_url, out_dir, start_time, end_time, resize=True, use_6
         ffmpeg_cmd = [
                 'ffmpeg',
                 #'-hwaccel', 'cuda',
-                '-allowed_extensions', 'ALL,ts,m4s,mp4',
+                '-f', 'hls',
                 '-i', stream_url,
                 '-c:v', 'libx264',
                 '-crf', '23',