def startDownload(self, url, byterange=''):
'''
Starts the segment download and set the timestamp of start segment download
:param url: segment url
:param byterange: segment byterange (logical segmentation of video level)
'''
debug(DEBUG + 1, '%s startDownload %s (byterange %s)', self, url,
byterange)
# start download
if self.use_persistent_connection:
# start a new connection
if not self.connection:
self._initConnection(url)
return
if not self.connection.client:
return
_, _, path = parse_url(url)
self.connection.makeRequest(path, byterange)
else:
if byterange == '':
d = getPage(url, agent=USER_AGENT)
else:
d = getPage(url,
agent=USER_AGENT,
headers=dict(range='bytes=' + byterange))
d.deferred.addCallback(self.playNextGotRequest, d)
d.deferred.addErrback(self.playNextGotError, d)
self.start_segment_request = time.time()
def startDownload(self, url, byterange=''):
'''
Starts the segment download and set the timestamp of start segment download
:param url: segment url
:param byterange: segment byterange (logical segmentation of video level)
'''
debug(DEBUG+1, '%s startDownload %s (byterange %s)', self, url, byterange)
# start download
if self.use_persistent_connection:
# start a new connection
if not self.connection:
self._initConnection(url)
return
if not self.connection.client:
return
_, _, path = parse_url(url)
self.connection.makeRequest(path, byterange)
else:
if byterange == '':
d = getPage(url, agent=USER_AGENT)
else:
d = getPage(url, agent=USER_AGENT, headers=dict(range='bytes='+byterange))
d.deferred.addCallback(self.playNextGotRequest, d)
d.deferred.addErrback(self.playNextGotError, d)
self.start_segment_request = time.time()
def _urlRedirect(self, connection, url):
# print '_urlRedirect called with url: ' + url
self.connection.redirect = True
host, port, path = parse_url(url)
print('Redirect host ' + host)
self.last_redirect_host = host
# self.connection.stop()
self._initConnection(url, True)
def startDownload(self, url, byterange, level):
# start download
debug(DEBUG+1, '%s startDownload %s %s', self, url, byterange)
# start a new connection
if not self.connection_list[level]:
self.init_connection(url, byterange, level)
return
if not self.connection_list[level].client:
return
_, _, path = parse_url(url)
self.connection_list[level].makeRequest(path, byterange)
def startDownload(self, url, byterange, level):
# start download
debug(DEBUG+1, '%s startDownload %s %s', self, url, byterange)
# start a new connection
if not self.connection_list[level]:
self.init_connection(url, byterange, level)
return
if not self.connection_list[level].client:
return
_, _, path = parse_url(url)
self.connection_list[level].makeRequest(path, byterange)
def startDownload(self, url, byterange=''):
'''
Starts the segment download and set the timestamp of start segment download
:param url: segment url
:param byterange: segment byterange (logical segmentation of video level)
'''
debug(DEBUG + 1, '%s startDownload %s (byterange %s)', self, url,
byterange)
# start download
if self.use_persistent_connection:
# start a new connection
if not self.connection:
self._initConnection(url)
return
if not self.connection.client:
return
_, _, path = parse_url(url)
print("~~~> now requesting new segment")
self.connection.makeRequest(path, byterange)
else:
if byterange == '':
d = getPage(url, agent=USER_AGENT)
else:
d = getPage(url,
agent=USER_AGENT,
headers=dict(range='bytes=' + byterange))
d.deferred.addCallback(self.playNextGotRequest, d)
d.deferred.addErrback(self.playNextGotError, d)
self.start_segment_request = time.time()
print colored("in startDownload", 'red')
print colored("[5] get request performed", 'blue')
print colored(
"current buffer: " + str(self.media_engine.getQueuedTime()),
'yellow')
print colored(
'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~...Downloading...~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~',
'yellow')
def startDownload(self, url, byterange=''):
'''
Starts the segment download and set the timestamp of start segment download
:param url: segment url
:param byterange: segment byterange (logical segmentation of video level)
'''
debug(DEBUG + 1, '%s startDownload %s (byterange %s)', self, url,
byterange)
# start download
if self.use_persistent_connection:
# start a new connection
if not self.connection:
self._initConnection(url)
return
if not self.connection.client:
return
_, _, path = parse_url(url)
segSize = float(float(self.getLastFragmentBytes() * 8)) / 1000
self.connection.makeRequest(
path + "?buffer=" + str(self.media_engine.getQueuedTime()) +
"?bwestim=" + str(self.getBandwidth()) + "?SegmentDur=" +
str(self.parser.getFragmentDuration()) + "?SegmentSizeLa=" +
str(segSize) + "?quali=" + str(self.getCurrentRate()) +
"?pid=" + str(os.getpid()), byterange)
else:
if byterange == '':
d = getPage(url, agent=USER_AGENT)
else:
d = getPage(url,
agent=USER_AGENT,
headers=dict(range='bytes=' + byterange))
d.deferred.addCallback(self.playNextGotRequest, d)
d.deferred.addErrback(self.playNextGotError, d)
print("CURRENT BUFFER IS " + str(self.media_engine.getQueuedTime()))
self.start_segment_request = time.time()
def fetchNextSegment(self):
'''
Schedules the download of the next segment at current level and view
'''
playlist = self.parser.getSinglePlaylist(self.getCurrentLevel(),
self.getCurrentView())
debug(
DEBUG + 1,
'%s fetchNextSegment level: %d angles: %d view: %d cur_index: %d',
self.getCurrentLevel(),
self.getCurrentAngles()[0], self.getCurrentView(),
self.getCurrentSegmentIndex())
#
#print str("self.getCurrentSegmentIndex = {}, playlist = {}".format(self.getCurrentSegmentIndex(), playlist['start_index']))
if self.getCurrentSegmentIndex() < playlist['start_index']:
self.setCurrentSegmentIndex(playlist['start_index'])
if self.getCurrentSegmentIndex() > playlist['end_index']:
# else live video (ONLY HLS!!)
if playlist['is_live'] and self.parser.getPlaylistType() == 'HLS':
print("playlist['is_live'] :" + str(playlist['is_live']))
debug(DEBUG, '%s fetchNextSegment cur_index %d', self,
self.getCurrentSegmentIndex())
self.parser.updateLevelSegmentsList(
self.getCurrentLevel(), self.getCurrentView()).addCallback(
self._updatePlaylistDone)
# if video is vod
else:
debug(DEBUG, '%s fetchNextSegment last index', self)
# set max video duration for stopping media_engine
self.media_engine.setVideoDuration(playlist['duration'])
#print("STOP PLAYING.")
return
cur_index = self.getCurrentSegmentIndex()
levels = self.parser.getLevels()
url_segment = playlist['segments'][cur_index]['url']
byterange = playlist['segments'][cur_index]['byterange']
if byterange != '':
debug(
DEBUG,
'%s fetchNextSegment level: %d (%s/s) %d/%d : %s (byterange=%s) angles:%d view: %d',
self, self.getCurrentLevel(),
format_bytes(float(levels[self.getCurrentLevel()]['rate'])),
self.getCurrentSegmentIndex(), playlist['end_index'],
url_segment, byterange, self.getCurrentAngles(),
self.getCurrentView())
else:
debug(
DEBUG,
'%s fetchNextSegment level: %d (%s/s) %d/%d angles:%d view %d: %s',
self, self.getCurrentLevel(),
format_bytes(float(levels[self.getCurrentLevel()]['rate'])),
self.getCurrentSegmentIndex(), playlist['end_index'],
self.getCurrentAngles()[0], self.getCurrentView(), url_segment)
if self.controller.isBuffering():
idle_duration = 0.0 #fetch segment after the last segment download is completed
else:
idle_duration = self.controller.getIdleDuration()
# load the next segment
if self.last_redirect_host:
host, port, path = parse_url(url_segment)
url_segment = 'http://' + self.last_redirect_host + path
reactor.callLater(idle_duration, self.startDownload, url_segment,
byterange)
