[downloader/external] enable piping for FFmpegFD(closes #2124)
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']
# Always use 'file:' because the filename may contain ':' (ffmpeg
# interprets that as a protocol) or can start with '-' (-- is broken in
# ffmpeg, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details)
- return 'file:' + fn
+ # Also leave '-' intact in order not to break streaming to stdout.
+ return 'file:' + fn if fn != '-' else fn
class FFmpegExtractAudioPP(FFmpegPostProcessor):