def test_decode_RR(self):
ttt = time.time()
(ssrc, ntp, rtp_ts, total_packets, total_bytes, ssrc_1, frac_lost, lost, highest, jitter, lsr, dlsr) = (
424242,
ttt,
143,
100,
800,
424243,
1,
1,
65535,
15,
int(time.time() - 10),
10,
)
frac_lost = int(lost / float(total_packets + lost))
members = {}
new_member = self.member.copy()
new_member["last_ts"] = rtp_ts
new_member["last_seq"] = highest
new_member["jitter"] = jitter
new_member["lost"] = lost
new_member["lsr"] = lsr
new_member["dlsr"] = dlsr
members_table = {}
members_table[ssrc_1] = new_member
arg_list = (ssrc, members_table)
rtcp = RTCPPacket("RR", ptcode=201, contents=arg_list)
rtcp_pac = rtcp.encode()
# Unpacking
# Decoding packet
packet = RTCPCompound(rtcp_pac)
# Getting content of the first block
cont = packet._rtcp[0].getContents()
lsr = ext_32_out_of_64(lsr)
lsr = unformat_from_32(lsr)
dlsr = ext_32_out_of_64(dlsr)
dlsr = unformat_from_32(dlsr)
# Testing content decode
assert cont[0] == ssrc, self.fail("SSRC is not correctly encode or " + "decode")
assert cont[1][0]["ssrc"] == ssrc_1, self.fail("SSRC_1 is not correctly encode or decode")
assert cont[1][0]["jitter"] == jitter, self.fail("Jitter is not correctly encode or decode")
assert cont[1][0]["fraclost"] == frac_lost, self.fail("Frac lost is not correctly encode or decode")
assert cont[1][0]["lsr"] == lsr, self.fail("Last received is not correctly encode or decode")
assert cont[1][0]["highest"] == highest, self.fail("Highest seq num is not correctly encode or decode")
def test_unformat_from_32(self):
ref = 10
res = ext_32_out_of_64(ref)
res_2 = unformat_from_32(res)
assert(res_2==ref), self.fail("Wrong encoding or decoding")
ref = 10.245
res = ext_32_out_of_64(ref)
res_2 = unformat_from_32(res)
assert(res_2==ref), self.fail("Wrong encoding or decoding")
def test_unformat_from_32(self):
ref = 10
res = ext_32_out_of_64(ref)
res_2 = unformat_from_32(res)
assert res_2 == ref, self.fail("Wrong encoding or decoding")
ref = 10.245
res = ext_32_out_of_64(ref)
res_2 = unformat_from_32(res)
assert res_2 == ref, self.fail("Wrong encoding or decoding")
def test_decode_RR(self):
ttt = time.time()
(ssrc, ntp, rtp_ts, total_packets, total_bytes, ssrc_1, \
frac_lost, lost, highest, jitter, lsr, dlsr) \
= (424242, ttt, 143, 100, 800, 424243, 1, 1, 65535, 15, \
int(time.time()-10), 10)
frac_lost = int(lost / float(total_packets + lost))
members = {}
new_member = self.member.copy()
new_member['last_ts'] = rtp_ts
new_member['last_seq'] = highest
new_member['jitter'] = jitter
new_member['lost'] = lost
new_member['lsr'] = lsr
new_member['dlsr'] = dlsr
members_table = {}
members_table[ssrc_1] = new_member
arg_list = (ssrc, members_table)
rtcp = RTCPPacket("RR", ptcode=201, contents=arg_list)
rtcp_pac = rtcp.encode()
#Unpacking
#Decoding packet
packet = RTCPCompound(rtcp_pac)
#Getting content of the first block
cont = packet._rtcp[0].getContents()
lsr = ext_32_out_of_64(lsr)
lsr = unformat_from_32(lsr)
dlsr = ext_32_out_of_64(dlsr)
dlsr = unformat_from_32(dlsr)
#Testing content decode
assert(cont[0]== ssrc), self.fail("SSRC is not correctly encode or " \
+ "decode")
assert(cont[1][0]['ssrc']==ssrc_1), \
self.fail("SSRC_1 is not correctly encode or decode")
assert(cont[1][0]['jitter']==jitter), \
self.fail("Jitter is not correctly encode or decode")
assert(cont[1][0]['fraclost']==frac_lost), \
self.fail("Frac lost is not correctly encode or decode")
assert(cont[1][0]['lsr']==lsr), \
self.fail("Last received is not correctly encode or decode")
assert(cont[1][0]['highest']==highest), \
self.fail("Highest seq num is not correctly encode or decode")
def round_trip_time(self, lsr, dlsr):
"""Calcule round trip time
Caution: TO make this work all the users must use NTP to syncronize
their wallclock"""
#Calculate round trip time
if lsr != 0 and dlsr != 0:
marker_a = time()
marker_a = ext_32_out_of_64(marker_a)
marker_a = unformat_from_32(marker_a)
round_trip = marker_a - dlsr - lsr
round_trip = "%.3f" % round_trip
round_trip_time = float(round_trip)
#print "Round trip time " + str(round_trip_time)
#Perform test in case ntp is not syncronize
#if
return round_trip_time
else:
return None
def round_trip_time(self, lsr, dlsr):
"""Calcule round trip time
Caution: TO make this work all the users must use NTP to syncronize
their wallclock"""
#Calculate round trip time
if lsr != 0 and dlsr != 0:
marker_a = time()
marker_a = ext_32_out_of_64(marker_a)
marker_a = unformat_from_32(marker_a)
round_trip = marker_a - dlsr - lsr
round_trip = "%.3f" % round_trip
round_trip_time = float(round_trip)
#print "Round trip time " + str(round_trip_time)
#Perform test in case ntp is not syncronize
#if
return round_trip_time
else:
return None
