args += ['-i', url, '-c', 'copy']
if protocol == 'm3u8':
- if self.params.get('hls_use_mpegts', False):
+ if self.params.get('hls_use_mpegts', False) or tmpfilename == '-':
args += ['-f', 'mpegts']
else:
args += ['-f', 'mp4', '-bsf:a', 'aac_adtstoasc']