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from __future__ import unicode_literals
import os
import re
import subprocess
from .common import FileDownloader
from ..utils import (
compat_urlparse,
compat_urllib_request,
check_executable,
encodeFilename,
)
class HlsFD(FileDownloader):
def real_download(self, filename, info_dict):
url = info_dict['url']
self.report_destination(filename)
tmpfilename = self.temp_name(filename)
args = [
'-y', '-i', url, '-f', 'mp4', '-c', 'copy',
'-bsf:a', 'aac_adtstoasc',
encodeFilename(tmpfilename, for_subprocess=True)]
for program in ['avconv', 'ffmpeg']:
if check_executable(program, ['-version']):
break
else:
self.report_error(u'm3u8 download detected but ffmpeg or avconv could not be found. Please install one.')
return False
cmd = [program] + args
retval = subprocess.call(cmd)
if retval == 0:
fsize = os.path.getsize(encodeFilename(tmpfilename))
self.to_screen(u'\r[%s] %s bytes' % (cmd[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(u"\n")
self.report_error(u'%s exited with code %d' % (program, 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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