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) program = ffpp._executable if program is None: 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 ('-y', '-i', url, '-f', 'mp4', '-c', 'copy', '-bsf:a', 'aac_adtstoasc')] args.append(encodeFilename(tmpfilename, True)) cmd = [encodeArgument(program)] + args retval = subprocess.call(cmd) if retval == 0: fsize = os.path.getsize(encodeFilename(tmpfilename)) self.to_screen('\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('\n') self.report_error('%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