_ Git - youtube-dl/blob - youtube_dl/downloader/hls.py

   1 import os
   2 import subprocess
   3
   4 from .common import FileDownloader
   5 from ..utils import (
   6     encodeFilename,
   7 )
   8
   9
  10 class HlsFD(FileDownloader):
  11     def real_download(self, filename, info_dict):
  12         url = info_dict['url']
  13         self.report_destination(filename)
  14         tmpfilename = self.temp_name(filename)
  15
  16         args = [
  17             '-y', '-i', url, '-f', 'mp4', '-c', 'copy',
  18             '-bsf:a', 'aac_adtstoasc',
  19             encodeFilename(tmpfilename, for_subprocess=True)]
  20
  21         for program in ['avconv', 'ffmpeg']:
  22             try:
  23                 subprocess.call([program, '-version'], stdout=(open(os.path.devnull, 'w')), stderr=subprocess.STDOUT)
  24                 break
  25             except (OSError, IOError):
  26                 pass
  27         else:
  28             self.report_error(u'm3u8 download detected but ffmpeg or avconv could not be found. Please install one.')
  29         cmd = [program] + args
  30
  31         retval = subprocess.call(cmd)
  32         if retval == 0:
  33             fsize = os.path.getsize(encodeFilename(tmpfilename))
  34             self.to_screen(u'\r[%s] %s bytes' % (cmd[0], fsize))
  35             self.try_rename(tmpfilename, filename)
  36             self._hook_progress({
  37                 'downloaded_bytes': fsize,
  38                 'total_bytes': fsize,
  39                 'filename': filename,
  40                 'status': 'finished',
  41             })
  42             return True
  43         else:
  44             self.to_stderr(u"\n")
  45             self.report_error(u'ffmpeg exited with code %d' % retval)
  46             return False