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youtube-dl/youtube_dl/downloader/hls.py
Jaime Marquínez Ferrándiz 23566e0d78 rtmp and hls downloaders: Clarify error message when the external tools are not installed
Ask to install them, as we do in the postprocessor.
We get some reports with it, like #3061 or #3048.
2014-06-09 20:23:20 +02:00

47 lines
1.5 KiB
Python

import os
import subprocess
from .common import FileDownloader
from ..utils import (
encodeFilename,
)
class HlsFD(FileDownloader):
def real_download(self, filename, info_dict):
url = info_dict['url']
self.report_destination(filename)
tmpfilename = self.temp_name(filename)
args = [
'-y', '-i', url, '-f', 'mp4', '-c', 'copy',
'-bsf:a', 'aac_adtstoasc',
encodeFilename(tmpfilename, for_subprocess=True)]
for program in ['avconv', 'ffmpeg']:
try:
subprocess.call([program, '-version'], stdout=(open(os.path.devnull, 'w')), stderr=subprocess.STDOUT)
break
except (OSError, IOError):
pass
else:
self.report_error(u'm3u8 download detected but ffmpeg or avconv could not be found. Please install one.')
cmd = [program] + args
retval = subprocess.call(cmd)
if retval == 0:
fsize = os.path.getsize(encodeFilename(tmpfilename))
self.to_screen(u'\r[%s] %s bytes' % (cmd[0], fsize))
self.try_rename(tmpfilename, filename)
self._hook_progress({
'downloaded_bytes': fsize,
'total_bytes': fsize,
'filename': filename,
'status': 'finished',
})
return True
else:
self.to_stderr(u"\n")
self.report_error(u'ffmpeg exited with code %d' % retval)
return False