mirror of
https://github.com/l1ving/youtube-dl
synced 2024-12-22 01:02:52 +08:00
105 lines
3.6 KiB
Python
105 lines
3.6 KiB
Python
from __future__ import unicode_literals
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import os
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import re
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import subprocess
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from ..postprocessor.ffmpeg import FFmpegPostProcessor
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from .common import FileDownloader
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from ..compat import (
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compat_urlparse,
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compat_urllib_request,
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)
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from ..utils import (
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encodeArgument,
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encodeFilename,
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)
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class HlsFD(FileDownloader):
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def real_download(self, filename, info_dict):
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url = info_dict['url']
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self.report_destination(filename)
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tmpfilename = self.temp_name(filename)
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ffpp = FFmpegPostProcessor(downloader=self)
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if not ffpp.available:
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self.report_error('m3u8 download detected but ffmpeg or avconv could not be found. Please install one.')
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return False
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ffpp.check_version()
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args = [
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encodeArgument(opt)
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for opt in (ffpp.executable, '-y', '-i', url, '-f', 'mp4', '-c', 'copy', '-bsf:a', 'aac_adtstoasc')]
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args.append(encodeFilename(tmpfilename, True))
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retval = subprocess.call(args)
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if retval == 0:
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fsize = os.path.getsize(encodeFilename(tmpfilename))
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self.to_screen('\r[%s] %s bytes' % (args[0], fsize))
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self.try_rename(tmpfilename, filename)
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self._hook_progress({
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'downloaded_bytes': fsize,
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'total_bytes': fsize,
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'filename': filename,
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'status': 'finished',
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})
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return True
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else:
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self.to_stderr('\n')
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self.report_error('%s exited with code %d' % (ffpp.basename, retval))
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return False
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class NativeHlsFD(FileDownloader):
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""" A more limited implementation that does not require ffmpeg """
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def real_download(self, filename, info_dict):
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url = info_dict['url']
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self.report_destination(filename)
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tmpfilename = self.temp_name(filename)
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self.to_screen(
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'[hlsnative] %s: Downloading m3u8 manifest' % info_dict['id'])
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data = self.ydl.urlopen(url).read()
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s = data.decode('utf-8', 'ignore')
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segment_urls = []
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for line in s.splitlines():
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line = line.strip()
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if line and not line.startswith('#'):
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segment_url = (
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line
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if re.match(r'^https?://', line)
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else compat_urlparse.urljoin(url, line))
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segment_urls.append(segment_url)
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is_test = self.params.get('test', False)
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remaining_bytes = self._TEST_FILE_SIZE if is_test else None
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byte_counter = 0
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with open(tmpfilename, 'wb') as outf:
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for i, segurl in enumerate(segment_urls):
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self.to_screen(
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'[hlsnative] %s: Downloading segment %d / %d' %
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(info_dict['id'], i + 1, len(segment_urls)))
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seg_req = compat_urllib_request.Request(segurl)
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if remaining_bytes is not None:
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seg_req.add_header('Range', 'bytes=0-%d' % (remaining_bytes - 1))
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segment = self.ydl.urlopen(seg_req).read()
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if remaining_bytes is not None:
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segment = segment[:remaining_bytes]
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remaining_bytes -= len(segment)
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outf.write(segment)
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byte_counter += len(segment)
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if remaining_bytes is not None and remaining_bytes <= 0:
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break
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self._hook_progress({
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'downloaded_bytes': byte_counter,
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'total_bytes': byte_counter,
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'filename': filename,
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'status': 'finished',
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})
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self.try_rename(tmpfilename, filename)
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return True
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