def test_video_chrome(self):
d = SessionDescription.parse(
lf2crlf("""v=0
o=- 5195484278799753993 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE video
a=msid-semantic: WMS bbgewhUzS6hvFDlSlrhQ6zYlwW7ttRrK8QeQ
m=video 34955 UDP/TLS/RTP/SAVPF 96 97 98 99 100 101 102
c=IN IP4 10.101.2.67
a=rtcp:9 IN IP4 0.0.0.0
a=candidate:638323114 1 udp 2122260223 10.101.2.67 34955 typ host generation 0 network-id 2 network-cost 10
a=candidate:1754264922 1 tcp 1518280447 10.101.2.67 9 typ host tcptype active generation 0 network-id 2 network-cost 10
a=ice-ufrag:9KhP
a=ice-pwd:mlPea2xBCmFmNLfmy/jlqw1D
a=ice-options:trickle
a=fingerprint:sha-256 30:4A:BF:65:23:D1:99:AB:AE:9F:FD:5D:B1:08:4F:09:7C:9F:F2:CC:50:16:13:81:1B:5D:DD:D0:98:45:81:1E
a=setup:actpass
a=mid:video
a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:4 urn:3gpp:video-orientation
a=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
a=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
a=extmap:7 http://www.webrtc.org/experiments/rtp-hdrext/video-content-type
a=extmap:8 http://www.webrtc.org/experiments/rtp-hdrext/video-timing
a=sendrecv
a=rtcp-mux
a=rtcp-rsize
a=rtpmap:96 VP8/90000
a=rtcp-fb:96 goog-remb
a=rtcp-fb:96 transport-cc
a=rtcp-fb:96 ccm fir
a=rtcp-fb:96 nack
a=rtcp-fb:96 nack pli
a=rtpmap:97 rtx/90000
a=fmtp:97 apt=96
a=rtpmap:98 VP9/90000
a=rtcp-fb:98 goog-remb
a=rtcp-fb:98 transport-cc
a=rtcp-fb:98 ccm fir
a=rtcp-fb:98 nack
a=rtcp-fb:98 nack pli
a=rtpmap:99 rtx/90000
a=fmtp:99 apt=98
a=rtpmap:100 red/90000
a=rtpmap:101 rtx/90000
a=fmtp:101 apt=100
a=rtpmap:102 ulpfec/90000
a=ssrc-group:FID 1845476211 3305256354
a=ssrc:1845476211 cname:9iW3jspLCZJ5WjOZ
a=ssrc:1845476211 msid:bbgewhUzS6hvFDlSlrhQ6zYlwW7ttRrK8QeQ 420c6f28-439d-4ead-b93c-94e14c0a16b4
a=ssrc:1845476211 mslabel:bbgewhUzS6hvFDlSlrhQ6zYlwW7ttRrK8QeQ
a=ssrc:1845476211 label:420c6f28-439d-4ead-b93c-94e14c0a16b4
a=ssrc:3305256354 cname:9iW3jspLCZJ5WjOZ
a=ssrc:3305256354 msid:bbgewhUzS6hvFDlSlrhQ6zYlwW7ttRrK8QeQ 420c6f28-439d-4ead-b93c-94e14c0a16b4
a=ssrc:3305256354 mslabel:bbgewhUzS6hvFDlSlrhQ6zYlwW7ttRrK8QeQ
a=ssrc:3305256354 label:420c6f28-439d-4ead-b93c-94e14c0a16b4
""")) # noqa
self.assertEqual(
d.group, [GroupDescription(semantic='BUNDLE', items=['video'])])
self.assertEqual(d.msid_semantic, [
GroupDescription(semantic='WMS',
items=['bbgewhUzS6hvFDlSlrhQ6zYlwW7ttRrK8QeQ'])
])
self.assertEqual(d.host, None)
self.assertEqual(d.name, '-')
self.assertEqual(d.origin, '- 5195484278799753993 2 IN IP4 127.0.0.1')
self.assertEqual(d.time, '0 0')
self.assertEqual(d.version, 0)
self.assertEqual(len(d.media), 1)
self.assertEqual(d.media[0].kind, 'video')
self.assertEqual(d.media[0].host, '10.101.2.67')
self.assertEqual(d.media[0].port, 34955)
self.assertEqual(d.media[0].profile, 'UDP/TLS/RTP/SAVPF')
self.assertEqual(d.media[0].direction, 'sendrecv')
self.assertEqual(d.media[0].rtp.codecs, [
RTCRtpCodecParameters(
name='VP8',
clockRate=90000,
payloadType=96,
rtcpFeedback=[
RTCRtcpFeedback(type='goog-remb'),
RTCRtcpFeedback(type='transport-cc'),
RTCRtcpFeedback(type='ccm', parameter='fir'),
RTCRtcpFeedback(type='nack'),
RTCRtcpFeedback(type='nack', parameter='pli'),
]),
RTCRtpCodecParameters(name='rtx',
clockRate=90000,
payloadType=97,
parameters={'apt': 96}),
RTCRtpCodecParameters(
name='VP9',
clockRate=90000,
payloadType=98,
rtcpFeedback=[
RTCRtcpFeedback(type='goog-remb'),
RTCRtcpFeedback(type='transport-cc'),
RTCRtcpFeedback(type='ccm', parameter='fir'),
RTCRtcpFeedback(type='nack'),
RTCRtcpFeedback(type='nack', parameter='pli'),
]),
RTCRtpCodecParameters(name='rtx',
clockRate=90000,
payloadType=99,
parameters={'apt': 98}),
RTCRtpCodecParameters(name='red', clockRate=90000,
payloadType=100),
RTCRtpCodecParameters(name='rtx',
clockRate=90000,
payloadType=101,
parameters={'apt': 100}),
RTCRtpCodecParameters(
name='ulpfec', clockRate=90000, payloadType=102)
])
self.assertEqual(d.media[0].rtp.headerExtensions, [
RTCRtpHeaderExtensionParameters(
id=2, uri='urn:ietf:params:rtp-hdrext:toffset'),
RTCRtpHeaderExtensionParameters(
id=3,
uri='http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time'
),
RTCRtpHeaderExtensionParameters(id=4,
uri='urn:3gpp:video-orientation'),
RTCRtpHeaderExtensionParameters(
id=5,
uri=
'http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01'
),
RTCRtpHeaderExtensionParameters(
id=6,
uri='http://www.webrtc.org/experiments/rtp-hdrext/playout-delay'
),
RTCRtpHeaderExtensionParameters(
id=7,
uri=
'http://www.webrtc.org/experiments/rtp-hdrext/video-content-type'
),
RTCRtpHeaderExtensionParameters(
id=8,
uri='http://www.webrtc.org/experiments/rtp-hdrext/video-timing'
)
])
self.assertEqual(d.media[0].rtp.muxId, 'video')
self.assertEqual(d.media[0].rtcp_host, '0.0.0.0')
self.assertEqual(d.media[0].rtcp_port, 9)
self.assertEqual(d.media[0].rtcp_mux, True)
# ssrc
self.assertEqual(d.media[0].ssrc, [
SsrcDescription(
ssrc=1845476211,
cname='9iW3jspLCZJ5WjOZ',
msid=
'bbgewhUzS6hvFDlSlrhQ6zYlwW7ttRrK8QeQ 420c6f28-439d-4ead-b93c-94e14c0a16b4',
mslabel='bbgewhUzS6hvFDlSlrhQ6zYlwW7ttRrK8QeQ',
label='420c6f28-439d-4ead-b93c-94e14c0a16b4'),
SsrcDescription(
ssrc=3305256354,
cname='9iW3jspLCZJ5WjOZ',
msid=
'bbgewhUzS6hvFDlSlrhQ6zYlwW7ttRrK8QeQ 420c6f28-439d-4ead-b93c-94e14c0a16b4',
mslabel='bbgewhUzS6hvFDlSlrhQ6zYlwW7ttRrK8QeQ',
label='420c6f28-439d-4ead-b93c-94e14c0a16b4'),
])
self.assertEqual(
d.media[0].ssrc_group,
[GroupDescription(semantic='FID', items=[1845476211, 3305256354])])
# formats
self.assertEqual(d.media[0].fmt, [96, 97, 98, 99, 100, 101, 102])
self.assertEqual(d.media[0].sctpmap, {})
self.assertEqual(d.media[0].sctp_port, None)
# ice
self.assertEqual(len(d.media[0].ice_candidates), 2)
self.assertEqual(d.media[0].ice_candidates_complete, False)
self.assertEqual(d.media[0].ice_options, 'trickle')
self.assertEqual(d.media[0].ice.usernameFragment, '9KhP')
self.assertEqual(d.media[0].ice.password, 'mlPea2xBCmFmNLfmy/jlqw1D')
# dtls
self.assertEqual(len(d.media[0].dtls.fingerprints), 1)
self.assertEqual(d.media[0].dtls.fingerprints[0].algorithm, 'sha-256')
self.assertEqual(
d.media[0].dtls.fingerprints[0].value,
'30:4A:BF:65:23:D1:99:AB:AE:9F:FD:5D:B1:08:4F:09:7C:9F:F2:CC:50:16:13:81:1B:5D:DD:D0:98:45:81:1E'
) # noqa
self.assertEqual(d.media[0].dtls.role, 'auto')
self.assertEqual(str(d),
lf2crlf("""v=0
o=- 5195484278799753993 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE video
a=msid-semantic:WMS bbgewhUzS6hvFDlSlrhQ6zYlwW7ttRrK8QeQ
m=video 34955 UDP/TLS/RTP/SAVPF 96 97 98 99 100 101 102
c=IN IP4 10.101.2.67
a=sendrecv
a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:4 urn:3gpp:video-orientation
a=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
a=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
a=extmap:7 http://www.webrtc.org/experiments/rtp-hdrext/video-content-type
a=extmap:8 http://www.webrtc.org/experiments/rtp-hdrext/video-timing
a=mid:video
a=rtcp:9 IN IP4 0.0.0.0
a=rtcp-mux
a=ssrc-group:FID 1845476211 3305256354
a=ssrc:1845476211 cname:9iW3jspLCZJ5WjOZ
a=ssrc:1845476211 msid:bbgewhUzS6hvFDlSlrhQ6zYlwW7ttRrK8QeQ 420c6f28-439d-4ead-b93c-94e14c0a16b4
a=ssrc:1845476211 mslabel:bbgewhUzS6hvFDlSlrhQ6zYlwW7ttRrK8QeQ
a=ssrc:1845476211 label:420c6f28-439d-4ead-b93c-94e14c0a16b4
a=ssrc:3305256354 cname:9iW3jspLCZJ5WjOZ
a=ssrc:3305256354 msid:bbgewhUzS6hvFDlSlrhQ6zYlwW7ttRrK8QeQ 420c6f28-439d-4ead-b93c-94e14c0a16b4
a=ssrc:3305256354 mslabel:bbgewhUzS6hvFDlSlrhQ6zYlwW7ttRrK8QeQ
a=ssrc:3305256354 label:420c6f28-439d-4ead-b93c-94e14c0a16b4
a=rtpmap:96 VP8/90000
a=rtcp-fb:96 goog-remb
a=rtcp-fb:96 transport-cc
a=rtcp-fb:96 ccm fir
a=rtcp-fb:96 nack
a=rtcp-fb:96 nack pli
a=rtpmap:97 rtx/90000
a=fmtp:97 apt=96
a=rtpmap:98 VP9/90000
a=rtcp-fb:98 goog-remb
a=rtcp-fb:98 transport-cc
a=rtcp-fb:98 ccm fir
a=rtcp-fb:98 nack
a=rtcp-fb:98 nack pli
a=rtpmap:99 rtx/90000
a=fmtp:99 apt=98
a=rtpmap:100 red/90000
a=rtpmap:101 rtx/90000
a=fmtp:101 apt=100
a=rtpmap:102 ulpfec/90000
a=candidate:638323114 1 udp 2122260223 10.101.2.67 34955 typ host
a=candidate:1754264922 1 tcp 1518280447 10.101.2.67 9 typ host tcptype active
a=ice-ufrag:9KhP
a=ice-pwd:mlPea2xBCmFmNLfmy/jlqw1D
a=ice-options:trickle
a=fingerprint:sha-256 30:4A:BF:65:23:D1:99:AB:AE:9F:FD:5D:B1:08:4F:09:7C:9F:F2:CC:50:16:13:81:1B:5D:DD:D0:98:45:81:1E
a=setup:actpass
""")) # noqa
def test_datachannel_firefox_63(self):
d = SessionDescription.parse(
lf2crlf("""v=0
o=mozilla...THIS_IS_SDPARTA-58.0.1 7514673380034989017 0 IN IP4 0.0.0.0
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256 39:4A:09:1E:0E:33:32:85:51:03:49:95:54:0B:41:09:A2:10:60:CC:39:8F:C0:C4:45:FC:37:3A:55:EA:11:74
a=group:BUNDLE sdparta_0
a=ice-options:trickle
a=msid-semantic:WMS *
m=application 45791 UDP/DTLS/SCTP webrtc-datachannel
c=IN IP4 192.168.99.58
a=candidate:0 1 UDP 2122187007 192.168.99.58 45791 typ host
a=candidate:1 1 UDP 2122252543 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 44087 typ host
a=candidate:2 1 TCP 2105458943 192.168.99.58 9 typ host tcptype active
a=candidate:3 1 TCP 2105524479 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 9 typ host tcptype active
a=sendrecv
a=end-of-candidates
a=ice-pwd:d30a5aec4dd81f07d4ff3344209400ab
a=ice-ufrag:9889e0c4
a=mid:sdparta_0
a=sctp-port:5000
a=setup:actpass
a=max-message-size:1073741823
""")) # noqa
self.assertEqual(
d.group,
[GroupDescription(semantic='BUNDLE', items=['sdparta_0'])])
self.assertEqual(d.msid_semantic,
[GroupDescription(semantic='WMS', items=['*'])])
self.assertEqual(d.host, None)
self.assertEqual(d.name, '-')
self.assertEqual(
d.origin,
'mozilla...THIS_IS_SDPARTA-58.0.1 7514673380034989017 0 IN IP4 0.0.0.0'
)
self.assertEqual(d.time, '0 0')
self.assertEqual(d.version, 0)
self.assertEqual(len(d.media), 1)
self.assertEqual(d.media[0].kind, 'application')
self.assertEqual(d.media[0].host, '192.168.99.58')
self.assertEqual(d.media[0].port, 45791)
self.assertEqual(d.media[0].profile, 'UDP/DTLS/SCTP')
self.assertEqual(d.media[0].fmt, ['webrtc-datachannel'])
# sctp
self.assertEqual(d.media[0].sctpmap, {})
self.assertEqual(d.media[0].sctp_port, 5000)
self.assertIsNotNone(d.media[0].sctpCapabilities)
self.assertEqual(d.media[0].sctpCapabilities.maxMessageSize,
1073741823)
# ice
self.assertEqual(len(d.media[0].ice_candidates), 4)
self.assertEqual(d.media[0].ice_candidates_complete, True)
self.assertEqual(d.media[0].ice_options, 'trickle')
self.assertEqual(d.media[0].ice.usernameFragment, '9889e0c4')
self.assertEqual(d.media[0].ice.password,
'd30a5aec4dd81f07d4ff3344209400ab')
# dtls
self.assertEqual(len(d.media[0].dtls.fingerprints), 1)
self.assertEqual(d.media[0].dtls.fingerprints[0].algorithm, 'sha-256')
self.assertEqual(
d.media[0].dtls.fingerprints[0].value,
'39:4A:09:1E:0E:33:32:85:51:03:49:95:54:0B:41:09:A2:10:60:CC:39:8F:C0:C4:45:FC:37:3A:55:EA:11:74'
) # noqa
self.assertEqual(d.media[0].dtls.role, 'auto')
self.assertEqual(str(d),
lf2crlf("""v=0
o=mozilla...THIS_IS_SDPARTA-58.0.1 7514673380034989017 0 IN IP4 0.0.0.0
s=-
t=0 0
a=group:BUNDLE sdparta_0
a=msid-semantic:WMS *
m=application 45791 UDP/DTLS/SCTP webrtc-datachannel
c=IN IP4 192.168.99.58
a=sendrecv
a=mid:sdparta_0
a=sctp-port:5000
a=max-message-size:1073741823
a=candidate:0 1 UDP 2122187007 192.168.99.58 45791 typ host
a=candidate:1 1 UDP 2122252543 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 44087 typ host
a=candidate:2 1 TCP 2105458943 192.168.99.58 9 typ host tcptype active
a=candidate:3 1 TCP 2105524479 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 9 typ host tcptype active
a=end-of-candidates
a=ice-ufrag:9889e0c4
a=ice-pwd:d30a5aec4dd81f07d4ff3344209400ab
a=ice-options:trickle
a=fingerprint:sha-256 39:4A:09:1E:0E:33:32:85:51:03:49:95:54:0B:41:09:A2:10:60:CC:39:8F:C0:C4:45:FC:37:3A:55:EA:11:74
a=setup:actpass
""")) # noqa
def test_audio_freeswitch_no_dtls(self):
d = SessionDescription.parse(
lf2crlf("""v=0
o=FreeSWITCH 1538380016 1538380017 IN IP4 1.2.3.4
s=FreeSWITCH
c=IN IP4 1.2.3.4
t=0 0
a=msid-semantic: WMS lyNSTe6w2ijnMrDEiqTHFyhqjdAag3ys
m=audio 16628 UDP/TLS/RTP/SAVPF 8 101
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=ptime:20
a=rtcp-mux
a=rtcp:16628 IN IP4 1.2.3.4
a=ice-ufrag:75EDuLTEOkEUd3cu
a=ice-pwd:5dvb9SbfooWc49814CupdeTS
a=candidate:0560693492 1 udp 659136 1.2.3.4 16628 typ host generation 0
a=end-of-candidates
a=ssrc:2690029308 cname:rbaag6w9fGmRXQm6
a=ssrc:2690029308 msid:lyNSTe6w2ijnMrDEiqTHFyhqjdAag3ys a0
a=ssrc:2690029308 mslabel:lyNSTe6w2ijnMrDEiqTHFyhqjdAag3ys
a=ssrc:2690029308 label:lyNSTe6w2ijnMrDEiqTHFyhqjdAag3ysa0""")) # noqa
self.assertEqual(d.group, [])
self.assertEqual(d.msid_semantic, [
GroupDescription(semantic='WMS',
items=['lyNSTe6w2ijnMrDEiqTHFyhqjdAag3ys'])
])
self.assertEqual(d.host, '1.2.3.4')
self.assertEqual(d.name, 'FreeSWITCH')
self.assertEqual(d.origin,
'FreeSWITCH 1538380016 1538380017 IN IP4 1.2.3.4')
self.assertEqual(d.time, '0 0')
self.assertEqual(d.version, 0)
self.assertEqual(len(d.media), 1)
self.assertEqual(d.media[0].kind, 'audio')
self.assertEqual(d.media[0].host, None)
self.assertEqual(d.media[0].port, 16628)
self.assertEqual(d.media[0].profile, 'UDP/TLS/RTP/SAVPF')
self.assertEqual(d.media[0].direction, None)
self.assertEqual(d.media[0].rtp.codecs, [
RTCRtpCodecParameters(name='PCMA', clockRate=8000, payloadType=8),
RTCRtpCodecParameters(
name='telephone-event', clockRate=8000, payloadType=101),
])
self.assertEqual(d.media[0].rtp.headerExtensions, [])
self.assertEqual(d.media[0].rtp.muxId, '')
self.assertEqual(d.media[0].rtcp_host, '1.2.3.4')
self.assertEqual(d.media[0].rtcp_port, 16628)
self.assertEqual(d.media[0].rtcp_mux, True)
# ssrc
self.assertEqual(d.media[0].ssrc, [
SsrcDescription(ssrc=2690029308,
cname='rbaag6w9fGmRXQm6',
msid='lyNSTe6w2ijnMrDEiqTHFyhqjdAag3ys a0',
mslabel='lyNSTe6w2ijnMrDEiqTHFyhqjdAag3ys',
label='lyNSTe6w2ijnMrDEiqTHFyhqjdAag3ysa0'),
])
self.assertEqual(d.media[0].ssrc_group, [])
# formats
self.assertEqual(d.media[0].fmt, [8, 101])
self.assertEqual(d.media[0].sctpmap, {})
self.assertEqual(d.media[0].sctp_port, None)
# ice
self.assertEqual(len(d.media[0].ice_candidates), 1)
self.assertEqual(d.media[0].ice_candidates_complete, True)
self.assertEqual(d.media[0].ice_options, None)
self.assertEqual(d.media[0].ice.usernameFragment, '75EDuLTEOkEUd3cu')
self.assertEqual(d.media[0].ice.password, '5dvb9SbfooWc49814CupdeTS')
# dtls
self.assertEqual(d.media[0].dtls, None)
self.assertEqual(str(d),
lf2crlf("""v=0
o=FreeSWITCH 1538380016 1538380017 IN IP4 1.2.3.4
s=FreeSWITCH
c=IN IP4 1.2.3.4
t=0 0
a=msid-semantic:WMS lyNSTe6w2ijnMrDEiqTHFyhqjdAag3ys
m=audio 16628 UDP/TLS/RTP/SAVPF 8 101
a=rtcp:16628 IN IP4 1.2.3.4
a=rtcp-mux
a=ssrc:2690029308 cname:rbaag6w9fGmRXQm6
a=ssrc:2690029308 msid:lyNSTe6w2ijnMrDEiqTHFyhqjdAag3ys a0
a=ssrc:2690029308 mslabel:lyNSTe6w2ijnMrDEiqTHFyhqjdAag3ys
a=ssrc:2690029308 label:lyNSTe6w2ijnMrDEiqTHFyhqjdAag3ysa0
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=candidate:0560693492 1 udp 659136 1.2.3.4 16628 typ host
a=end-of-candidates
a=ice-ufrag:75EDuLTEOkEUd3cu
a=ice-pwd:5dvb9SbfooWc49814CupdeTS
""")) # noqa
def test_audio_firefox(self):
d = SessionDescription.parse(
lf2crlf("""v=0
o=mozilla...THIS_IS_SDPARTA-58.0.1 4934139885953732403 1 IN IP4 0.0.0.0
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256 EB:A9:3E:50:D7:E3:B3:86:0F:7B:01:C1:EB:D6:AF:E4:97:DE:15:05:A8:DE:7B:83:56:C7:4B:6E:9D:75:D4:17
a=group:BUNDLE sdparta_0
a=ice-options:trickle
a=msid-semantic:WMS *
m=audio 45274 UDP/TLS/RTP/SAVPF 109 9 0 8 101
c=IN IP4 192.168.99.58
a=candidate:0 1 UDP 2122187007 192.168.99.58 45274 typ host
a=candidate:2 1 UDP 2122252543 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 47387 typ host
a=candidate:3 1 TCP 2105458943 192.168.99.58 9 typ host tcptype active
a=candidate:4 1 TCP 2105524479 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 9 typ host tcptype active
a=candidate:0 2 UDP 2122187006 192.168.99.58 38612 typ host
a=candidate:2 2 UDP 2122252542 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 54301 typ host
a=candidate:3 2 TCP 2105458942 192.168.99.58 9 typ host tcptype active
a=candidate:4 2 TCP 2105524478 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 9 typ host tcptype active
a=candidate:1 1 UDP 1685921791 1.2.3.4 37264 typ srflx raddr 192.168.99.58 rport 37264
a=candidate:1 2 UDP 1685921790 1.2.3.4 52902 typ srflx raddr 192.168.99.58 rport 52902
a=sendrecv
a=end-of-candidates
a=extmap:1/sendonly urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=extmap:2 urn:ietf:params:rtp-hdrext:sdes:mid
a=fmtp:109 maxplaybackrate=48000;stereo=1;useinbandfec=1
a=fmtp:101 0-15
a=ice-pwd:f9b83487285016f7492197a5790ceee5
a=ice-ufrag:403a81e1
a=ice-options:trickle
a=mid:sdparta_0
a=msid:{dee771c7-671a-451e-b847-f86f8e87c7d8} {12692dea-686c-47ca-b3e9-48f38fc92b78}
a=rtcp:38612 IN IP4 192.168.99.58
a=rtcp-mux
a=rtpmap:109 opus/48000/2
a=rtpmap:9 G722/8000/1
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=setup:actpass
a=ssrc:882128807 cname:{ed463ac5-dabf-44d4-8b9f-e14318427b2b}
""")) # noqa
self.assertEqual(
d.group,
[GroupDescription(semantic='BUNDLE', items=['sdparta_0'])])
self.assertEqual(d.msid_semantic,
[GroupDescription(semantic='WMS', items=['*'])])
self.assertEqual(d.host, None)
self.assertEqual(d.name, '-')
self.assertEqual(
d.origin,
'mozilla...THIS_IS_SDPARTA-58.0.1 4934139885953732403 1 IN IP4 0.0.0.0'
)
self.assertEqual(d.time, '0 0')
self.assertEqual(d.version, 0)
self.assertEqual(len(d.media), 1)
self.assertEqual(d.media[0].kind, 'audio')
self.assertEqual(d.media[0].host, '192.168.99.58')
self.assertEqual(d.media[0].port, 45274)
self.assertEqual(d.media[0].profile, 'UDP/TLS/RTP/SAVPF')
self.assertEqual(d.media[0].direction, 'sendrecv')
self.assertEqual(d.media[0].rtp.codecs, [
RTCRtpCodecParameters(name='opus',
clockRate=48000,
channels=2,
payloadType=109,
parameters={
'maxplaybackrate': 48000,
'stereo': 1,
'useinbandfec': 1
}),
RTCRtpCodecParameters(
name='G722', clockRate=8000, channels=1, payloadType=9),
RTCRtpCodecParameters(name='PCMU', clockRate=8000, payloadType=0),
RTCRtpCodecParameters(name='PCMA', clockRate=8000, payloadType=8),
RTCRtpCodecParameters(name='telephone-event',
clockRate=8000,
payloadType=101,
parameters={'0-15': None}),
])
self.assertEqual(d.media[0].rtp.headerExtensions, [
RTCRtpHeaderExtensionParameters(
id=1, uri='urn:ietf:params:rtp-hdrext:ssrc-audio-level'),
RTCRtpHeaderExtensionParameters(
id=2, uri='urn:ietf:params:rtp-hdrext:sdes:mid'),
])
self.assertEqual(d.media[0].rtp.muxId, 'sdparta_0')
self.assertEqual(d.media[0].rtcp_host, '192.168.99.58')
self.assertEqual(d.media[0].rtcp_port, 38612)
self.assertEqual(d.media[0].rtcp_mux, True)
# ssrc
self.assertEqual(d.media[0].ssrc, [
SsrcDescription(ssrc=882128807,
cname='{ed463ac5-dabf-44d4-8b9f-e14318427b2b}'),
])
self.assertEqual(d.media[0].ssrc_group, [])
# formats
self.assertEqual(d.media[0].fmt, [109, 9, 0, 8, 101])
self.assertEqual(d.media[0].sctpmap, {})
self.assertEqual(d.media[0].sctp_port, None)
# ice
self.assertEqual(len(d.media[0].ice_candidates), 10)
self.assertEqual(d.media[0].ice_candidates_complete, True)
self.assertEqual(d.media[0].ice_options, 'trickle')
self.assertEqual(d.media[0].ice.usernameFragment, '403a81e1')
self.assertEqual(d.media[0].ice.password,
'f9b83487285016f7492197a5790ceee5')
# dtls
self.assertEqual(len(d.media[0].dtls.fingerprints), 1)
self.assertEqual(d.media[0].dtls.fingerprints[0].algorithm, 'sha-256')
self.assertEqual(
d.media[0].dtls.fingerprints[0].value,
'EB:A9:3E:50:D7:E3:B3:86:0F:7B:01:C1:EB:D6:AF:E4:97:DE:15:05:A8:DE:7B:83:56:C7:4B:6E:9D:75:D4:17'
) # noqa
self.assertEqual(d.media[0].dtls.role, 'auto')
self.assertEqual(str(d),
lf2crlf("""v=0
o=mozilla...THIS_IS_SDPARTA-58.0.1 4934139885953732403 1 IN IP4 0.0.0.0
s=-
t=0 0
a=group:BUNDLE sdparta_0
a=msid-semantic:WMS *
m=audio 45274 UDP/TLS/RTP/SAVPF 109 9 0 8 101
c=IN IP4 192.168.99.58
a=sendrecv
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=extmap:2 urn:ietf:params:rtp-hdrext:sdes:mid
a=mid:sdparta_0
a=rtcp:38612 IN IP4 192.168.99.58
a=rtcp-mux
a=ssrc:882128807 cname:{ed463ac5-dabf-44d4-8b9f-e14318427b2b}
a=rtpmap:109 opus/48000/2
a=fmtp:109 maxplaybackrate=48000;stereo=1;useinbandfec=1
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=candidate:0 1 UDP 2122187007 192.168.99.58 45274 typ host
a=candidate:2 1 UDP 2122252543 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 47387 typ host
a=candidate:3 1 TCP 2105458943 192.168.99.58 9 typ host tcptype active
a=candidate:4 1 TCP 2105524479 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 9 typ host tcptype active
a=candidate:0 2 UDP 2122187006 192.168.99.58 38612 typ host
a=candidate:2 2 UDP 2122252542 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 54301 typ host
a=candidate:3 2 TCP 2105458942 192.168.99.58 9 typ host tcptype active
a=candidate:4 2 TCP 2105524478 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 9 typ host tcptype active
a=candidate:1 1 UDP 1685921791 1.2.3.4 37264 typ srflx raddr 192.168.99.58 rport 37264
a=candidate:1 2 UDP 1685921790 1.2.3.4 52902 typ srflx raddr 192.168.99.58 rport 52902
a=end-of-candidates
a=ice-ufrag:403a81e1
a=ice-pwd:f9b83487285016f7492197a5790ceee5
a=ice-options:trickle
a=fingerprint:sha-256 EB:A9:3E:50:D7:E3:B3:86:0F:7B:01:C1:EB:D6:AF:E4:97:DE:15:05:A8:DE:7B:83:56:C7:4B:6E:9D:75:D4:17
a=setup:actpass
""")) # noqa
def test_audio_chrome(self):
d = SessionDescription.parse(
lf2crlf("""v=0
o=- 863426017819471768 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE audio
a=msid-semantic: WMS TF6VRif1dxuAfe5uefrV2953LhUZt1keYvxU
m=audio 45076 UDP/TLS/RTP/SAVPF 111 103 104 9 0 8 106 105 13 110 112 113 126
c=IN IP4 192.168.99.58
a=rtcp:9 IN IP4 0.0.0.0
a=candidate:2665802302 1 udp 2122262783 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 38475 typ host generation 0 network-id 2 network-cost 10
a=candidate:1039001212 1 udp 2122194687 192.168.99.58 45076 typ host generation 0 network-id 1 network-cost 10
a=candidate:3496416974 1 tcp 1518283007 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 9 typ host tcptype active generation 0 network-id 2 network-cost 10
a=candidate:1936595596 1 tcp 1518214911 192.168.99.58 9 typ host tcptype active generation 0 network-id 1 network-cost 10
a=ice-ufrag:5+Ix
a=ice-pwd:uK8IlylxzDMUhrkVzdmj0M+v
a=ice-options:trickle
a=fingerprint:sha-256 6B:8B:5D:EA:59:04:20:23:29:C8:87:1C:CC:87:32:BE:DD:8C:66:A5:8E:50:55:EA:8C:D3:B6:5C:09:5E:D6:BC
a=setup:actpass
a=mid:audio
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=sendrecv
a=rtcp-mux
a=rtpmap:111 opus/48000/2
a=rtcp-fb:111 transport-cc
a=fmtp:111 minptime=10;useinbandfec=1
a=rtpmap:103 ISAC/16000
a=rtpmap:104 ISAC/32000
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:106 CN/32000
a=rtpmap:105 CN/16000
a=rtpmap:13 CN/8000
a=rtpmap:110 telephone-event/48000
a=rtpmap:112 telephone-event/32000
a=rtpmap:113 telephone-event/16000
a=rtpmap:126 telephone-event/8000
a=ssrc:1944796561 cname:/vC4ULAr8vHNjXmq
a=ssrc:1944796561 msid:TF6VRif1dxuAfe5uefrV2953LhUZt1keYvxU ec1eb8de-8df8-4956-ae81-879e5d062d12
a=ssrc:1944796561 mslabel:TF6VRif1dxuAfe5uefrV2953LhUZt1keYvxU
a=ssrc:1944796561 label:ec1eb8de-8df8-4956-ae81-879e5d062d12""")) # noqa
self.assertEqual(
d.group, [GroupDescription(semantic='BUNDLE', items=['audio'])])
self.assertEqual(d.msid_semantic, [
GroupDescription(semantic='WMS',
items=['TF6VRif1dxuAfe5uefrV2953LhUZt1keYvxU'])
])
self.assertEqual(d.host, None)
self.assertEqual(d.name, '-')
self.assertEqual(d.origin, '- 863426017819471768 2 IN IP4 127.0.0.1')
self.assertEqual(d.time, '0 0')
self.assertEqual(d.version, 0)
self.assertEqual(len(d.media), 1)
self.assertEqual(d.media[0].kind, 'audio')
self.assertEqual(d.media[0].host, '192.168.99.58')
self.assertEqual(d.media[0].port, 45076)
self.assertEqual(d.media[0].profile, 'UDP/TLS/RTP/SAVPF')
self.assertEqual(d.media[0].direction, 'sendrecv')
self.assertEqual(d.media[0].rtp.codecs, [
RTCRtpCodecParameters(
name='opus',
clockRate=48000,
channels=2,
payloadType=111,
rtcpFeedback=[RTCRtcpFeedback(type='transport-cc')],
parameters={
'minptime': 10,
'useinbandfec': 1
}),
RTCRtpCodecParameters(
name='ISAC', clockRate=16000, payloadType=103),
RTCRtpCodecParameters(
name='ISAC', clockRate=32000, payloadType=104),
RTCRtpCodecParameters(name='G722', clockRate=8000, payloadType=9),
RTCRtpCodecParameters(name='PCMU', clockRate=8000, payloadType=0),
RTCRtpCodecParameters(name='PCMA', clockRate=8000, payloadType=8),
RTCRtpCodecParameters(name='CN', clockRate=32000, payloadType=106),
RTCRtpCodecParameters(name='CN', clockRate=16000, payloadType=105),
RTCRtpCodecParameters(name='CN', clockRate=8000, payloadType=13),
RTCRtpCodecParameters(
name='telephone-event', clockRate=48000, payloadType=110),
RTCRtpCodecParameters(
name='telephone-event', clockRate=32000, payloadType=112),
RTCRtpCodecParameters(
name='telephone-event', clockRate=16000, payloadType=113),
RTCRtpCodecParameters(
name='telephone-event', clockRate=8000, payloadType=126),
])
self.assertEqual(d.media[0].rtp.headerExtensions, [
RTCRtpHeaderExtensionParameters(
id=1, uri='urn:ietf:params:rtp-hdrext:ssrc-audio-level'),
])
self.assertEqual(d.media[0].rtp.muxId, 'audio')
self.assertEqual(d.media[0].rtcp_host, '0.0.0.0')
self.assertEqual(d.media[0].rtcp_port, 9)
self.assertEqual(d.media[0].rtcp_mux, True)
# ssrc
self.assertEqual(d.media[0].ssrc, [
SsrcDescription(
ssrc=1944796561,
cname='/vC4ULAr8vHNjXmq',
msid=
'TF6VRif1dxuAfe5uefrV2953LhUZt1keYvxU ec1eb8de-8df8-4956-ae81-879e5d062d12',
mslabel='TF6VRif1dxuAfe5uefrV2953LhUZt1keYvxU',
label='ec1eb8de-8df8-4956-ae81-879e5d062d12'),
])
self.assertEqual(d.media[0].ssrc_group, [])
# formats
self.assertEqual(
d.media[0].fmt,
[111, 103, 104, 9, 0, 8, 106, 105, 13, 110, 112, 113, 126])
self.assertEqual(d.media[0].sctpmap, {})
self.assertEqual(d.media[0].sctp_port, None)
# ice
self.assertEqual(len(d.media[0].ice_candidates), 4)
self.assertEqual(d.media[0].ice_candidates_complete, False)
self.assertEqual(d.media[0].ice_options, 'trickle')
self.assertEqual(d.media[0].ice.usernameFragment, '5+Ix')
self.assertEqual(d.media[0].ice.password, 'uK8IlylxzDMUhrkVzdmj0M+v')
# dtls
self.assertEqual(len(d.media[0].dtls.fingerprints), 1)
self.assertEqual(d.media[0].dtls.fingerprints[0].algorithm, 'sha-256')
self.assertEqual(
d.media[0].dtls.fingerprints[0].value,
'6B:8B:5D:EA:59:04:20:23:29:C8:87:1C:CC:87:32:BE:DD:8C:66:A5:8E:50:55:EA:8C:D3:B6:5C:09:5E:D6:BC'
) # noqa
self.assertEqual(d.media[0].dtls.role, 'auto')
self.assertEqual(str(d),
lf2crlf("""v=0
o=- 863426017819471768 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE audio
a=msid-semantic:WMS TF6VRif1dxuAfe5uefrV2953LhUZt1keYvxU
m=audio 45076 UDP/TLS/RTP/SAVPF 111 103 104 9 0 8 106 105 13 110 112 113 126
c=IN IP4 192.168.99.58
a=sendrecv
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=mid:audio
a=rtcp:9 IN IP4 0.0.0.0
a=rtcp-mux
a=ssrc:1944796561 cname:/vC4ULAr8vHNjXmq
a=ssrc:1944796561 msid:TF6VRif1dxuAfe5uefrV2953LhUZt1keYvxU ec1eb8de-8df8-4956-ae81-879e5d062d12
a=ssrc:1944796561 mslabel:TF6VRif1dxuAfe5uefrV2953LhUZt1keYvxU
a=ssrc:1944796561 label:ec1eb8de-8df8-4956-ae81-879e5d062d12
a=rtpmap:111 opus/48000/2
a=rtcp-fb:111 transport-cc
a=fmtp:111 minptime=10;useinbandfec=1
a=rtpmap:103 ISAC/16000
a=rtpmap:104 ISAC/32000
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:106 CN/32000
a=rtpmap:105 CN/16000
a=rtpmap:13 CN/8000
a=rtpmap:110 telephone-event/48000
a=rtpmap:112 telephone-event/32000
a=rtpmap:113 telephone-event/16000
a=rtpmap:126 telephone-event/8000
a=candidate:2665802302 1 udp 2122262783 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 38475 typ host
a=candidate:1039001212 1 udp 2122194687 192.168.99.58 45076 typ host
a=candidate:3496416974 1 tcp 1518283007 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 9 typ host tcptype active
a=candidate:1936595596 1 tcp 1518214911 192.168.99.58 9 typ host tcptype active
a=ice-ufrag:5+Ix
a=ice-pwd:uK8IlylxzDMUhrkVzdmj0M+v
a=ice-options:trickle
a=fingerprint:sha-256 6B:8B:5D:EA:59:04:20:23:29:C8:87:1C:CC:87:32:BE:DD:8C:66:A5:8E:50:55:EA:8C:D3:B6:5C:09:5E:D6:BC
a=setup:actpass
""")) # noqa
def test_video_firefox(self):
d = SessionDescription.parse(
lf2crlf("""v=0
o=mozilla...THIS_IS_SDPARTA-61.0 8964514366714082732 0 IN IP4 0.0.0.0
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256 AF:9E:29:99:AC:F6:F6:A2:86:A7:2E:A5:83:94:21:7F:F1:39:C5:E3:8F:E4:08:04:D9:D8:70:6D:6C:A2:A1:D5
a=group:BUNDLE sdparta_0
a=ice-options:trickle
a=msid-semantic:WMS *
m=video 42738 UDP/TLS/RTP/SAVPF 120 121
c=IN IP4 192.168.99.7
a=candidate:0 1 UDP 2122252543 192.168.99.7 42738 typ host
a=candidate:1 1 TCP 2105524479 192.168.99.7 9 typ host tcptype active
a=candidate:0 2 UDP 2122252542 192.168.99.7 52914 typ host
a=candidate:1 2 TCP 2105524478 192.168.99.7 9 typ host tcptype active
a=sendrecv
a=end-of-candidates
a=extmap:3 urn:ietf:params:rtp-hdrext:sdes:mid
a=extmap:4 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:5 urn:ietf:params:rtp-hdrext:toffset
a=fmtp:120 max-fs=12288;max-fr=60
a=fmtp:121 max-fs=12288;max-fr=60
a=ice-pwd:c43b0306087bb4de15f70e4405c4dafe
a=ice-ufrag:1a0e6b24
a=mid:sdparta_0
a=msid:{38c9a1f0-d360-4ad8-afe3-4d7f6d4ae4e1} {d27161f3-ab5d-4aff-9dd8-4a24bfbe56d4}
a=rtcp:52914 IN IP4 192.168.99.7
a=rtcp-fb:120 nack
a=rtcp-fb:120 nack pli
a=rtcp-fb:120 ccm fir
a=rtcp-fb:120 goog-remb
a=rtcp-fb:121 nack
a=rtcp-fb:121 nack pli
a=rtcp-fb:121 ccm fir
a=rtcp-fb:121 goog-remb
a=rtcp-mux
a=rtpmap:120 VP8/90000
a=rtpmap:121 VP9/90000
a=setup:actpass
a=ssrc:3408404552 cname:{6f52d07e-17ef-42c5-932b-3b57c64fe049}
""")) # noqa
self.assertEqual(
d.group,
[GroupDescription(semantic='BUNDLE', items=['sdparta_0'])])
self.assertEqual(d.msid_semantic,
[GroupDescription(semantic='WMS', items=['*'])])
self.assertEqual(d.host, None)
self.assertEqual(d.name, '-')
self.assertEqual(
d.origin,
'mozilla...THIS_IS_SDPARTA-61.0 8964514366714082732 0 IN IP4 0.0.0.0'
)
self.assertEqual(d.time, '0 0')
self.assertEqual(d.version, 0)
self.assertEqual(len(d.media), 1)
self.assertEqual(d.media[0].kind, 'video')
self.assertEqual(d.media[0].host, '192.168.99.7')
self.assertEqual(d.media[0].port, 42738)
self.assertEqual(d.media[0].profile, 'UDP/TLS/RTP/SAVPF')
self.assertEqual(d.media[0].direction, 'sendrecv')
self.assertEqual(d.media[0].rtp.codecs, [
RTCRtpCodecParameters(
name='VP8',
clockRate=90000,
payloadType=120,
rtcpFeedback=[
RTCRtcpFeedback(type='nack'),
RTCRtcpFeedback(type='nack', parameter='pli'),
RTCRtcpFeedback(type='ccm', parameter='fir'),
RTCRtcpFeedback(type='goog-remb'),
],
parameters={
'max-fs': 12288,
'max-fr': 60
}),
RTCRtpCodecParameters(
name='VP9',
clockRate=90000,
payloadType=121,
rtcpFeedback=[
RTCRtcpFeedback(type='nack'),
RTCRtcpFeedback(type='nack', parameter='pli'),
RTCRtcpFeedback(type='ccm', parameter='fir'),
RTCRtcpFeedback(type='goog-remb'),
],
parameters={
'max-fs': 12288,
'max-fr': 60
}),
])
self.assertEqual(d.media[0].rtp.headerExtensions, [
RTCRtpHeaderExtensionParameters(
id=3, uri='urn:ietf:params:rtp-hdrext:sdes:mid'),
RTCRtpHeaderExtensionParameters(
id=4,
uri='http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time'
),
RTCRtpHeaderExtensionParameters(
id=5, uri='urn:ietf:params:rtp-hdrext:toffset'),
])
self.assertEqual(d.media[0].rtp.muxId, 'sdparta_0')
self.assertEqual(d.media[0].rtcp_host, '192.168.99.7')
self.assertEqual(d.media[0].rtcp_port, 52914)
self.assertEqual(d.media[0].rtcp_mux, True)
# formats
self.assertEqual(d.media[0].fmt, [120, 121])
self.assertEqual(d.media[0].sctpmap, {})
self.assertEqual(d.media[0].sctp_port, None)
# ice
self.assertEqual(len(d.media[0].ice_candidates), 4)
self.assertEqual(d.media[0].ice_candidates_complete, True)
self.assertEqual(d.media[0].ice_options, 'trickle')
self.assertEqual(d.media[0].ice.usernameFragment, '1a0e6b24')
self.assertEqual(d.media[0].ice.password,
'c43b0306087bb4de15f70e4405c4dafe')
# dtls
self.assertEqual(len(d.media[0].dtls.fingerprints), 1)
self.assertEqual(d.media[0].dtls.fingerprints[0].algorithm, 'sha-256')
self.assertEqual(
d.media[0].dtls.fingerprints[0].value,
'AF:9E:29:99:AC:F6:F6:A2:86:A7:2E:A5:83:94:21:7F:F1:39:C5:E3:8F:E4:08:04:D9:D8:70:6D:6C:A2:A1:D5'
) # noqa
self.assertEqual(d.media[0].dtls.role, 'auto')
self.assertEqual(str(d),
lf2crlf("""v=0
o=mozilla...THIS_IS_SDPARTA-61.0 8964514366714082732 0 IN IP4 0.0.0.0
s=-
t=0 0
a=group:BUNDLE sdparta_0
a=msid-semantic:WMS *
m=video 42738 UDP/TLS/RTP/SAVPF 120 121
c=IN IP4 192.168.99.7
a=sendrecv
a=extmap:3 urn:ietf:params:rtp-hdrext:sdes:mid
a=extmap:4 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:5 urn:ietf:params:rtp-hdrext:toffset
a=mid:sdparta_0
a=rtcp:52914 IN IP4 192.168.99.7
a=rtcp-mux
a=ssrc:3408404552 cname:{6f52d07e-17ef-42c5-932b-3b57c64fe049}
a=rtpmap:120 VP8/90000
a=rtcp-fb:120 nack
a=rtcp-fb:120 nack pli
a=rtcp-fb:120 ccm fir
a=rtcp-fb:120 goog-remb
a=fmtp:120 max-fs=12288;max-fr=60
a=rtpmap:121 VP9/90000
a=rtcp-fb:121 nack
a=rtcp-fb:121 nack pli
a=rtcp-fb:121 ccm fir
a=rtcp-fb:121 goog-remb
a=fmtp:121 max-fs=12288;max-fr=60
a=candidate:0 1 UDP 2122252543 192.168.99.7 42738 typ host
a=candidate:1 1 TCP 2105524479 192.168.99.7 9 typ host tcptype active
a=candidate:0 2 UDP 2122252542 192.168.99.7 52914 typ host
a=candidate:1 2 TCP 2105524478 192.168.99.7 9 typ host tcptype active
a=end-of-candidates
a=ice-ufrag:1a0e6b24
a=ice-pwd:c43b0306087bb4de15f70e4405c4dafe
a=ice-options:trickle
a=fingerprint:sha-256 AF:9E:29:99:AC:F6:F6:A2:86:A7:2E:A5:83:94:21:7F:F1:39:C5:E3:8F:E4:08:04:D9:D8:70:6D:6C:A2:A1:D5
a=setup:actpass
""")) # noqa