from __future__ import unicode_literals import os import re import subprocess from .common import FileDownloader from ..utils import ( compat_urlparse, 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) byte_counter = 0 with open(tmpfilename, 'wb') as outf: for i, segurl in enumerate(segment_urls): segment = self.ydl.urlopen(segurl).read() outf.write(segment) byte_counter += len(segment) self.to_screen( '[hlsnative] %s: Downloading segment %d / %d' % (info_dict['id'], i + 1, len(segment_urls))) self._hook_progress({ 'downloaded_bytes': byte_counter, 'total_bytes': byte_counter, 'filename': filename, 'status': 'finished', }) self.try_rename(tmpfilename, filename) return True