- from __future__ import unicode_literals
-
- import os
- import re
- import subprocess
-
- from .common import FileDownloader
- from .fragment import FragmentFD
-
- from ..compat import compat_urlparse
- from ..postprocessor.ffmpeg import FFmpegPostProcessor
- from ..utils import (
- encodeArgument,
- encodeFilename,
- sanitize_open,
- )
-
-
- class HlsFD(FileDownloader):
- def real_download(self, filename, info_dict):
- url = info_dict['url']
- self.report_destination(filename)
- tmpfilename = self.temp_name(filename)
-
- ffpp = FFmpegPostProcessor(downloader=self)
- if not ffpp.available:
- self.report_error('m3u8 download detected but ffmpeg or avconv could not be found. Please install one.')
- return False
- ffpp.check_version()
-
- args = [ffpp.executable, '-y']
-
- if info_dict['http_headers'] and re.match(r'^https?://', url):
- # Trailing \r\n after each HTTP header is important to prevent warning from ffmpeg/avconv:
- # [http @ 00000000003d2fa0] No trailing CRLF found in HTTP header.
- args += [
- '-headers',
- ''.join('%s: %s\r\n' % (key, val) for key, val in info_dict['http_headers'].items() if key.lower() != 'accept-encoding')]
-
- args += ['-i', url, '-f', 'mp4', '-c', 'copy', '-bsf:a', 'aac_adtstoasc']
-
- args = [encodeArgument(opt) for opt in args]
- args.append(encodeFilename(ffpp._ffmpeg_filename_argument(tmpfilename), True))
-
- self._debug_cmd(args)
-
- retval = subprocess.call(args)
- if retval == 0:
- fsize = os.path.getsize(encodeFilename(tmpfilename))
- self.to_screen('\r[%s] %s bytes' % (args[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('\n')
- self.report_error('%s exited with code %d' % (ffpp.basename, retval))
- return False
-
-
- class NativeHlsFD(FragmentFD):
- """ A more limited implementation that does not require ffmpeg """
-
- FD_NAME = 'hlsnative'
-
- def real_download(self, filename, info_dict):
- man_url = info_dict['url']
- self.to_screen('[%s] Downloading m3u8 manifest' % self.FD_NAME)
- manifest = self.ydl.urlopen(man_url).read()
-
- s = manifest.decode('utf-8', 'ignore')
- fragment_urls = []
- for line in s.splitlines():
- line = line.strip()
- if line and not line.startswith('#'):
- segment_url = (
- line
- if re.match(r'^https?://', line)
- else compat_urlparse.urljoin(man_url, line))
- fragment_urls.append(segment_url)
- # We only download the first fragment during the test
- if self.params.get('test', False):
- break
-
- ctx = {
- 'filename': filename,
- 'total_frags': len(fragment_urls),
- }
-
- self._prepare_and_start_frag_download(ctx)
-
- frags_filenames = []
- for i, frag_url in enumerate(fragment_urls):
- frag_filename = '%s-Frag%d' % (ctx['tmpfilename'], i)
- success = ctx['dl'].download(frag_filename, {'url': frag_url})
- if not success:
- return False
- down, frag_sanitized = sanitize_open(frag_filename, 'rb')
- ctx['dest_stream'].write(down.read())
- down.close()
- frags_filenames.append(frag_sanitized)
-
- self._finish_frag_download(ctx)
-
- for frag_file in frags_filenames:
- os.remove(encodeFilename(frag_file))
-
- return True
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