-import os
-import subprocess
+from __future__ import unicode_literals
-from .common import FileDownloader
+import os.path
+import re
+
+from .fragment import FragmentFD
+
+from ..compat import compat_urlparse
from ..utils import (
- check_executable,
encodeFilename,
+ sanitize_open,
)
-class HlsFD(FileDownloader):
+class HlsFD(FragmentFD):
+ """ A limited implementation that does not require ffmpeg """
+
+ FD_NAME = 'hlsnative'
+
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
+ 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