youtube_dl/downloader/hls.py

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