mirror of
https://github.com/l1ving/youtube-dl
synced 2024-11-22 10:03:22 +08:00
105 lines
3.6 KiB
Python
105 lines
3.6 KiB
Python
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
|