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 updateLevelSegmentsList(self, level):
'''Updater playlist for current level'''
playlist = self.playlists[level]
playlist = self.deletePlaylist(playlist) #Only for VOD and Live. Not for Live+REC
c = defer.Deferred()
debug(DEBUG-1, '%s updateLevelSegmentsList: %s', self, playlist['url'])
# page callback
def got_playlist(data, factory):
debug(DEBUG+1, 'updateLevelSegmentsList: %s', data)
cur_index = start_index = 0
segment_duration=4
# FIXME for live streams
#cur_index = playlist.get('end_index', -1) + 1
for line in data.split('\n'):
line = line.strip()
if not line:
continue
if line.startswith('#EXT-X-TARGETDURATION:'):
self.fragment_duration = 4
#setIdleDuration(fragment_duration)
elif line.startswith('#EXTINF:'):
line = line.replace('#EXTINF:', '')
segment_duration = 4
elif line.startswith('#EXT-X-MEDIA-SEQUENCE:'):
line = line.replace('#EXT-X-MEDIA-SEQUENCE:', '')
cur_index = start_index = 1
elif not line.startswith('#'):
try:
index = hasGetIndex(line)
except Exception:
index = cur_index
cur_index += 1
# first segments, set start_time
if len(playlist['segments']) == 0:
playlist['start_index'] = index
self.start_time = max(self.start_time, index*self.fragment_duration)
#playlist['duration'] = self.start_time
if index > playlist['end_index']:
if not line.startswith('http'):
line = os.path.join(os.path.dirname(factory.url), line)
_c = dict(url=line,byterange='',dur=segment_duration)
playlist['segments'][index] = _c
playlist['end_index'] = index
playlist['duration'] += segment_duration
elif line.startswith('#EXT-X-ENDLIST'):
duration = playlist['duration']
playlist['is_live'] = True
#print pformat(playlist)
self.playlists[level] = playlist
c.callback(1)
# error handling
def got_error(e, factory):
debug(0, '%s updateLevelSegmentsList url: %s error: %s', self, factory.url, e)
reactor.callLater(self.fragment_duration*0.5,
self.updateLevelSegmentsList, level)
d = getPage(playlist['url'], agent=USER_AGENT)
d.deferred.addCallback(got_playlist, d)
d.deferred.addErrback(got_error, d)
return c
def loadPlaylist(self):
self.levels = []
self.playlists = []
self.caps_demuxer = []
def got_page(data, factory):
debug(DEBUG, '%s loadHlsPlaylist from %s:\n%s', self, factory.url,
data)
cur = None
for line in data.split('\n'):
line = line.strip()
line = line.replace(", ", ",")
#print line
if line.startswith('#EXT-X-STREAM-INF:'):
line = line.replace('#EXT-X-STREAM-INF:', '')
vr = None
res = None
for field in line.split(','):
if field.startswith('BANDWIDTH='):
field = field.replace('BANDWIDTH=', '')
vr = int(field) / 8. #in B/s
elif field.startswith('RESOLUTION='):
field = field.replace('RESOLUTION=', '')
res = field
self.levels.append(dict(rate=vr, resolution=res))
cur = dict(url='',
is_live=False,
segments=[],
start_index=-1,
end_index=-1,
duration=0.0)
continue
elif cur:
if not line.startswith('http'):
line = os.path.join(os.path.dirname(factory.url), line)
cur['url'] = line
self.playlists.append(cur)
cur = None
#if self.cur_level >= len(self.playlists):
# self.cur_level = max(self.cur_level, len(self.playlists)-1)
deferredList = []
for i in range(len(self.playlists)):
deferredList.append(self.updateLevelSegmentsList(i))
dl = defer.DeferredList(deferredList)
def _on_done(res):
self.deferred.callback(True)
dl.addCallback(_on_done)
# error handling
def got_error(e):
debug(0, '%s loadHlsPlaylist error: %s', self, e)
self.loadPlaylist()
#
d = getPage(self.url, agent=USER_AGENT)
d.deferred.addCallback(got_page, d)
d.deferred.addErrback(got_error)
def updateLevelSegmentsList(self, level):
'''Updater playlist for current level'''
playlist = self.playlists[level]
playlist = self.deletePlaylist(playlist) #Only for VOD and Live. Not for Live+REC
c = defer.Deferred()
debug(DEBUG-1, '%s updateLevelSegmentsList: %s', self, playlist['url'])
# page callback
def got_playlist(data, factory):
debug(DEBUG+1, 'updateLevelSegmentsList: %s', data)
cur_index = start_index = 0
# FIXME for live streams
#cur_index = playlist.get('end_index', -1) + 1
for line in data.split('\n'):
line = line.strip()
if not line:
continue
if line.startswith('#EXT-X-TARGETDURATION:'):
self.fragment_duration = float(line.replace('#EXT-X-TARGETDURATION:', ''))
#setIdleDuration(fragment_duration)
elif line.startswith('#EXTINF:'):
line = line.replace('#EXTINF:', '')
segment_duration = float(line.split(',')[0])
elif line.startswith('#EXT-X-MEDIA-SEQUENCE:'):
line = line.replace('#EXT-X-MEDIA-SEQUENCE:', '')
cur_index = start_index = int(line)
elif not line.startswith('#'):
try:
index = hasGetIndex(line)
except Exception:
index = cur_index
cur_index += 1
# first segments, set start_time
if len(playlist['segments']) == 0:
playlist['start_index'] = index
self.start_time = max(self.start_time, index*self.fragment_duration)
#playlist['duration'] = self.start_time
if index > playlist['end_index']:
if not line.startswith('http'):
line = os.path.join(os.path.dirname(factory.url), line)
_c = dict(url=line,byterange='',dur=segment_duration)
playlist['segments'][index] = _c
playlist['end_index'] = index
playlist['duration'] += segment_duration
elif line.startswith('#EXT-X-ENDLIST'):
duration = playlist['duration']
playlist['is_live'] = True
#print pformat(playlist)
self.playlists[level] = playlist
c.callback(1)
# error handling
def got_error(e, factory):
debug(0, '%s updateLevelSegmentsList url: %s error: %s', self, factory.url, e)
reactor.callLater(self.fragment_duration*0.5,
self.updateLevelSegmentsList, level)
d = getPage(playlist['url'], agent=USER_AGENT)
d.deferred.addCallback(got_playlist, d)
d.deferred.addErrback(got_error, d)
return c
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 loadPlaylist(self):
self.levels = []
self.playlists = []
self.caps_demuxer = []
def got_page(data, factory):
debug(DEBUG, '%s loadHlsPlaylist from %s:\n%s', self, factory.url, data)
cur = None
for line in data.split('\n'):
line = line.strip()
line = line.replace(", ",",");
#print line
if line.startswith('#EXT-X-STREAM-INF:'):
line = line.replace('#EXT-X-STREAM-INF:', '')
vr = None
res = None
for field in line.split(','):
if field.startswith('BANDWIDTH='):
field = field.replace('BANDWIDTH=', '')
vr = int(field)/8. #in B/s
elif field.startswith('RESOLUTION='):
field = field.replace('RESOLUTION=', '')
res = field
self.levels.append(dict(rate=vr,resolution=res))
cur = dict(url='',
is_live=True,
segments=[],
start_index=-1, end_index=-1,
duration=0.0)
continue
elif cur:
if not line.startswith('http'):
line = os.path.join(os.path.dirname(factory.url), line)
cur['url'] = line
self.playlists.append(cur)
cur = None
#if self.cur_level >= len(self.playlists):
# self.cur_level = max(self.cur_level, len(self.playlists)-1)
deferredList = []
for i in range(len(self.playlists)):
deferredList.append(self.updateLevelSegmentsList(i))
dl = defer.DeferredList(deferredList)
def _on_done(res):
self.deferred.callback(True)
dl.addCallback(_on_done)
# error handling
def got_error(e):
debug(0, '%s loadHlsPlaylist error: %s', self, e)
#
d = getPage(self.url, agent=USER_AGENT)
d.deferred.addCallback(got_page, d)
d.deferred.addErrback(got_error)
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 loadPlaylist(self):
self.levels = []
self.playlists = []
self.caps_demuxer = []
def got_page(data, factory):
debug(DEBUG, '%s loadHlsPlaylist from %s:\n%s', self, factory.url, data)
view_flag = False
is_live = False
urls = []
id_level = 0
id_view = 0
i = 0
j = 0
playlist = None
data = data.replace("\n\n","")
for line in data.split('\n'):
line = line.strip()
line = line.replace(", ",",")
url = None
#print line
if line.startswith('#EXT-X-STREAM-INF:'):
id_view = 0
line = line.replace('#EXT-X-STREAM-INF:', '')
vr = None
res = None
for field in line.split(','):
if field.startswith('BANDWIDTH='):
field = field.replace('BANDWIDTH=', '')
vr = int(field)/8. #in B/s
elif field.startswith('RESOLUTION='):
field = field.replace('RESOLUTION=', '')
res = field
self.levels.append(dict(rate=vr,resolution=res))
continue
# Case of view playlist
elif line.startswith('#EXT-X-MEDIA:'):
view_flag = True
line = line.replace('#EXT-X-STREAM-INF:', '')
for field in line.split(','):
if field.startswith('URI='):
field = str(field.replace('URI=', '')).replace('"','')
url = os.path.join(os.path.dirname(factory.url), field)
""" elif field.startswith('DEFAULT='):
#TODO
print "TODO" """
cur = dict(url = url,
is_live = is_live,
segments = [],
start_index = -1,
end_index = -1,
type = "level",
duration = 0.0,
view = id_view,
level = id_level)
self.playlists.append(cur)
id_view = id_view + 1
self.views = max(self.views, id_view)
continue
elif not line.startswith('#'):
""" if len(urls) != 0: """
if not view_flag:
if not line.startswith('http') and line != '':
url = os.path.join(os.path.dirname(factory.url), line)
cur = dict(url = url,
is_live = is_live,
segments = [],
start_index = -1,
end_index = -1,
type = "level",
duration = 0.0,
view = id_view,
level = id_level)
self.playlists.append(cur)
id_level = id_level + 1
continue
else:
id_level = id_level + 1
continue
else:
id_level = id_level + 1
continue
else:
continue
#if self.cur_level >= len(self.playlists):
# self.cur_level = max(self.cur_level, len(self.playlists)-1)
deferredList = []
for i in range(0, len(self.levels)):
for j in range(0, self.views):
print("i: ", i, "j: ", j)
deferredList.append(self.updateLevelSegmentsList(i,j))
dl = defer.DeferredList(deferredList)
def _on_done(res):
self.deferred.callback(True)
dl.addCallback(_on_done)
# error handling
def got_error(e):
debug(0, '%s loadHlsPlaylist error: %s', self, e)
#
d = getPage(self.url, agent=USER_AGENT)
d.deferred.addCallback(got_page, d)
d.deferred.addErrback(got_error)
def got_playlist(data, factory):
debug(DEBUG+1, 'updateLevelSegmentsList: %s', data)
cur_index = start_index = 0
# FIXME for live streams
#cur_index = playlist.get('end_index', -1) + 1
for line in data.split('\n'):
line = line.strip()
if not line:
continue
if line.startswith('#EXT-X-TARGETDURATION:'):
# FIXME: WRONG INTERPRETATION, THIS LABEL MEANS MAXIMUM SEGMENT DURATION, EQUALS TO THE FOLLOWING IN CBR CASE
self.fragment_duration = float(line.replace('#EXT-X-TARGETDURATION:', ''))
#setIdleDuration(fragment_duration)
elif line.startswith('#EXTINF:'):
line = line.replace('#EXTINF:', '')
segment_duration = float(line.split(',')[0])
# FIXME: WRONG INTERPRETATION, THIS LABEL MEANS SEGMENT DURATION, EQUALS TO THE PREVIOUS IN CBR CASE
self.fragment_duration = segment_duration
elif line.startswith('#EXT-X-MEDIA-SEQUENCE:'):
line = line.replace('#EXT-X-MEDIA-SEQUENCE:', '')
cur_index = start_index = int(line)
elif line.startswith('#EXT-X-MAP:'):
# FIXME: SFOSADHFOGSHGOLHAGLHALG
line = line.replace('#EXT-X-MAP:', '')
for field in line.split(','):
if field.startswith('URI='):
field = str(field.replace('URI=', '')).replace('"','')
url = os.path.join(os.path.dirname(factory.url), field)
playlist["initURL"] = url
#print("initURL PLAYLIST: " + str(playlist))
# fetch init segment data
d = getPage(url, agent=USER_AGENT)
d.deferred.addCallback(got_init, d)
d.deferred.addErrback(got_error, d)
elif not line.startswith('#'):
try:
index = hasGetIndex(line)
except Exception:
index = cur_index
cur_index += 1
# first segments, set start_time
if len(playlist['segments']) == 0:
playlist['start_index'] = index
self.start_time = max(self.start_time, index*self.fragment_duration)
#playlist['duration'] = self.start_time
if index > playlist['end_index']:
if not line.startswith('http'):
line = os.path.join(os.path.dirname(factory.url), line)
_c = dict(url = line, byterange = '', dur = segment_duration)
playlist['segments'][index] = _c
playlist['end_index'] = index
playlist['duration'] += segment_duration
elif line.startswith('#EXT-X-ENDLIST'):
"""
You can't remove anything from the playlist when using the EVENT tag;
you may only append new segments to the end of the file.
New segments are added to the end of the file until the event has concluded,
at which time the EXT-X-ENDLIST tag is appended.
"""
duration = playlist['duration']
#playlist['is_live'] = True
playlist['is_live'] = False
self.playlists.append(playlist)
#print(">>>>>>>>< PLAYLIST", self.playlists)
#self.playlists[level] = playlist
c.callback(1)
def updateLevelSegmentsList(self, level, view):
'''Updater playlist for current level'''
playlist = self.getSinglePlaylist(level, view)
self.playlists.remove(playlist)
playlist = self.createEmptyPlaylist(
playlist) #Only for VOD and Live. Not for Live+REC
c = defer.Deferred()
debug(DEBUG - 1, '%s updateLevelSegmentsList: %s', self,
playlist['url'])
def got_init(data, factory):
debug(DEBUG + 1, 'updateLevelSegmentsList: %s', data)
#print str(playlist)
playlist["initSegment"] = data
# page callback
def got_playlist(data, factory):
debug(DEBUG + 1, 'updateLevelSegmentsList: %s', data)
cur_index = start_index = 0
# FIXME for live streams
#cur_index = playlist.get('end_index', -1) + 1
for line in data.decode('utf-8').split('\n'):
line = line.strip()
if not line:
continue
if line.startswith('#EXT-X-TARGETDURATION:'):
# FIXME: THIS LABEL MEANS MAXIMUM SEGMENT DURATION, EQUALS TO THE FOLLOWING IN CBR CASE
self.fragment_duration = float(
line.replace('#EXT-X-TARGETDURATION:', ''))
#setIdleDuration(fragment_duration)
elif line.startswith('#EXTINF:'):
line = line.replace('#EXTINF:', '')
segment_duration = float(line.split(',')[0])
# FIXME: THIS LABEL MEANS SEGMENT DURATION, EQUALS TO THE PREVIOUS IN CBR CASE
self.fragment_duration = segment_duration
elif line.startswith('#EXT-X-MEDIA-SEQUENCE:'):
line = line.replace('#EXT-X-MEDIA-SEQUENCE:', '')
cur_index = start_index = int(line)
elif line.startswith('#EXT-X-MAP:'):
# line pointing to init file in fmp4 hls
line = line.replace('#EXT-X-MAP:', '')
for field in line.split(','):
if field.startswith('URI='):
# hls mp4
self.video_container = 'MP4'
field = str(field.replace('URI=',
'')).replace('"', '')
url = os.path.join(
os.path.dirname(factory.url.decode('utf-8')),
field)
playlist["initURL"] = url
#print("initURL PLAYLIST: " + str(playlist))
# fetch init segment data
d = getPage(url, agent=USER_AGENT)
d.deferred.addCallback(got_init, d)
d.deferred.addErrback(got_error, d)
elif not line.startswith('#'):
try:
index = hasGetIndex(line)
except Exception:
index = cur_index
cur_index += 1
# first segments, set start_time
if len(playlist['segments']) == 0:
playlist['start_index'] = index
self.start_time = max(self.start_time,
index * self.fragment_duration)
#playlist['duration'] = self.start_time
if index > playlist['end_index']:
if not line.startswith('http'):
line = os.path.join(
os.path.dirname(factory.url.decode('utf-8')),
line)
_c = dict(url=line, byterange='', dur=segment_duration)
playlist['segments'][index] = _c
playlist['end_index'] = index
playlist['duration'] += segment_duration
elif line.startswith('#EXT-X-ENDLIST'):
"""
You can't remove anything from the playlist when using the EVENT tag;
you may only append new segments to the end of the file.
New segments are added to the end of the file until the event has concluded,
at which time the EXT-X-ENDLIST tag is appended.
"""
duration = playlist['duration']
#playlist['is_live'] = True
playlist['is_live'] = False
self.playlists.append(playlist)
#self.playlists[level] = playlist
c.callback(1)
# error handling
def got_error(e, factory):
debug(0, '%s updateLevelSegmentsList url: %s error: %s', self,
factory.url.decode('utf-8'), e)
reactor.callLater(self.fragment_duration * 0.5,
self.updateLevelSegmentsList, level)
d = getPage(playlist['url'], agent=USER_AGENT)
d.deferred.addCallback(got_playlist, d)
d.deferred.addErrback(got_error, d)
return c
