def test_mpd_in_out(self):
mp = mpdprocessor.MpdProcessor(vodMPD, self.cfg)
mp.process({'availabilityStartTime': "1971", 'availability_start_time_in_s': 31536000,
'BaseURL': "http://india/", 'minimumUpdatePeriod': "0", 'periodOffset': 100000},
[{'id': "p0", 'startNumber': "0", 'presentationTimeOffset': 0},
{'id': "p1", 'startNumber': "3600", 'presentationTimeOffset': 100000}])
xml = mp.get_full_xml()
def test_utc_timing_head(self):
self.cfg['utc_timing_methods'] = ["head"]
mp = mpdprocessor.MpdProcessor(vodMPD, self.cfg)
mp.process({'availabilityStartTime': "1971", 'availability_start_time_in_s': 31536000,
'BaseURL': "http://india/", 'minimumUpdatePeriod': "0", 'periodOffset': 100000},
[{'id': "p0", 'startNumber': "0", 'presentationTimeOffset': 0}])
xml = mp.get_full_xml()
head_pos = xml.find('<UTCTiming schemeIdUri="urn:mpeg:dash:utc:http-head:2014"')
self.assertGreater(head_pos, 0, "UTCTiming for head method not found.")
def test_utc_timing_direct_and_head(self):
self.mpd_cfg['utc_timing_methods'] = ["direct", "head"]
mp = mpdprocessor.MpdProcessor(vodMPD, self.mpd_cfg)
mp.process({'availabilityStartTime': "1971", 'availability_start_time_in_s': 31536000,
'BaseURL': "http://india/", 'minimumUpdatePeriod': "0", 'periodOffset': 100000},
[{'id': "p0", 'startNumber': "0", 'presentationTimeOffset': 0}])
xml = mp.get_full_xml()
head_pos = xml.find('<UTCTiming schemeIdUri="urn:mpeg:dash:utc:http-head:2014"')
direct_pos = xml.find('<UTCTiming schemeIdUri="urn:mpeg:dash:utc:direct:2014"')
self.assertLess(direct_pos, head_pos, "UTCTiming direct method does not come before head method.")
def generate_dynamic_mpd(dashProv, mpd_filename, in_data, now):
"Generate the dynamic MPD."
cfg = dashProv.cfg
mpd_data = in_data.copy()
if cfg.minimum_update_period_in_s is not None:
mpd_data['minimumUpdatePeriod'] = seconds_to_iso_duration(
cfg.minimum_update_period_in_s)
else:
mpd_data['minimumUpdatePeriod'] = DEFAULT_MINIMUM_UPDATE_PERIOD
if cfg.media_presentation_duration is not None:
mpd_data['mediaPresentationDuration'] = seconds_to_iso_duration(
cfg.media_presentation_duration)
mpd_data['timeShiftBufferDepth'] = seconds_to_iso_duration(
cfg.timeshift_buffer_depth_in_s)
mpd_data['timeShiftBufferDepthInS'] = cfg.timeshift_buffer_depth_in_s
mpd_data['startNumber'] = cfg.adjusted_start_number
mpd_data['publishTime'] = '%s' % make_timestamp(in_data['publishTime'])
mpd_data['availabilityStartTime'] = '%s' % make_timestamp(
in_data['availability_start_time_in_s'])
mpd_data['duration'] = '%d' % in_data['segDuration']
mpd_data['maxSegmentDuration'] = 'PT%dS' % in_data['segDuration']
timescale = 1
pto = 0
mpd_data['presentationTimeOffset'] = cfg.adjusted_pto(pto, timescale)
if mpd_data['suggested_presentation_delay_in_s'] is not None:
spd = in_data['suggested_presentation_delay_in_s']
mpd_data['suggestedPresentationDelay'] = \
seconds_to_iso_duration(spd)
if 'availabilityEndTime' in in_data:
mpd_data['availabilityEndTime'] = make_timestamp(
in_data['availabilityEndTime'])
if cfg.stop_time is not None and (now > cfg.stop_time):
mpd_data['type'] = "static"
mpd_proc_cfg = {
'scte35Present': (cfg.scte35_per_minute > 0),
'continuous': in_data['continuous'],
'segtimeline': in_data['segtimeline'],
'segtimeline_nr': in_data['segtimeline_nr'],
'utc_timing_methods': cfg.utc_timing_methods,
'utc_head_url': dashProv.utc_head_url,
'now': now
}
ll_data = {} # Low-latency data
if cfg.chunk_duration_in_s is None:
mpd_data['availabilityTimeOffset'] = '%f' % in_data[
'availability_time_offset_in_s']
if not cfg.availability_time_complete:
mpd_data['availabilityTimeComplete'] = 'false'
else: # Set these values in the ll_data
ll_data['availabilityTimeOffset'] = '%f' % in_data[
'availability_time_offset_in_s']
ll_data['availabilityTimeComplete'] = 'false'
if cfg.chunk_duration_in_s is not None and cfg.chunk_duration_in_s > 0:
if len(mpd_proc_cfg['utc_timing_methods']) == 0:
mpd_proc_cfg['utc_timing_methods'].append('httpiso')
mpd_data['add_profiles'] = [
'http://www.dashif.org/guidelines/low-latency-live-v5'
]
full_url = dashProv.base_url + '/'.join(dashProv.url_parts)
mpmod = mpdprocessor.MpdProcessor(mpd_filename, mpd_proc_cfg, cfg,
full_url)
period_data = generate_period_data(mpd_data, now, cfg)
mpmod.process(mpd_data, period_data, ll_data)
return mpmod.get_full_xml()