- from __future__ import unicode_literals
-
- import os
- import re
- import subprocess
-
- from ..postprocessor.ffmpeg import FFmpegPostProcessor
- from .common import FileDownloader
- from ..compat import (
- compat_urlparse,
- compat_urllib_request,
- )
- from ..utils import (
- encodeArgument,
- encodeFilename,
- )
-
-
- 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 = [
- encodeArgument(opt)
- for opt in (ffpp.executable, '-y', '-i', url, '-f', 'mp4', '-c', 'copy', '-bsf:a', 'aac_adtstoasc')]
- args.append(encodeFilename(tmpfilename, True))
-
- 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(FileDownloader):
- """ A more limited implementation that does not require ffmpeg """
-
- def real_download(self, filename, info_dict):
- url = info_dict['url']
- self.report_destination(filename)
- tmpfilename = self.temp_name(filename)
-
- self.to_screen(
- '[hlsnative] %s: Downloading m3u8 manifest' % info_dict['id'])
- data = self.ydl.urlopen(url).read()
- s = data.decode('utf-8', 'ignore')
- segment_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(url, line))
- segment_urls.append(segment_url)
-
- is_test = self.params.get('test', False)
- remaining_bytes = self._TEST_FILE_SIZE if is_test else None
- byte_counter = 0
- with open(tmpfilename, 'wb') as outf:
- for i, segurl in enumerate(segment_urls):
- self.to_screen(
- '[hlsnative] %s: Downloading segment %d / %d' %
- (info_dict['id'], i + 1, len(segment_urls)))
- seg_req = compat_urllib_request.Request(segurl)
- if remaining_bytes is not None:
- seg_req.add_header('Range', 'bytes=0-%d' % (remaining_bytes - 1))
-
- segment = self.ydl.urlopen(seg_req).read()
- if remaining_bytes is not None:
- segment = segment[:remaining_bytes]
- remaining_bytes -= len(segment)
- outf.write(segment)
- byte_counter += len(segment)
- if remaining_bytes is not None and remaining_bytes <= 0:
- break
-
- self._hook_progress({
- 'downloaded_bytes': byte_counter,
- 'total_bytes': byte_counter,
- 'filename': filename,
- 'status': 'finished',
- })
- self.try_rename(tmpfilename, filename)
- return True
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