def test_rtp_rtx(self):
receiver = RTCRtpReceiver('video', self.local_transport)
self.assertEqual(receiver.transport, self.local_transport)
receiver._track = RemoteStreamTrack(kind='video')
run(
receiver.receive(
RTCRtpReceiveParameters(
codecs=[
RTCRtpCodecParameters(name='VP8',
clockRate=90000,
payloadType=100),
RTCRtpCodecParameters(name='rtx',
clockRate=90000,
payloadType=101,
parameters={'apt': 100}),
],
encodings=[
RTCRtpEncodingParameters(
ssrc=1234,
payloadType=100,
rtx=RTCRtpRtxParameters(ssrc=2345))
])))
# receive RTX with unknown SSRC
packet = RtpPacket(payload_type=101, ssrc=2345, payload=b'\x00\x00')
run(receiver._handle_rtp_packet(packet, arrival_time_ms=0))
# shutdown
run(receiver.stop())
def test_srtp_unprotect_error(self):
transport1, transport2 = dummy_ice_transport_pair()
certificate1 = RTCCertificate.generateCertificate()
session1 = RTCDtlsTransport(transport1, [certificate1])
receiver1 = DummyRtpReceiver()
session1._register_rtp_receiver(
receiver1,
RTCRtpReceiveParameters(
codecs=[
RTCRtpCodecParameters(mimeType="audio/PCMU",
clockRate=8000,
payloadType=0)
],
encodings=[
RTCRtpDecodingParameters(ssrc=1831097322, payloadType=0)
],
),
)
certificate2 = RTCCertificate.generateCertificate()
session2 = RTCDtlsTransport(transport2, [certificate2])
receiver2 = DummyRtpReceiver()
session2._register_rtp_receiver(
receiver2,
RTCRtpReceiveParameters(
codecs=[
RTCRtpCodecParameters(mimeType="audio/PCMU",
clockRate=8000,
payloadType=0)
],
encodings=[
RTCRtpDecodingParameters(ssrc=4028317929, payloadType=0)
],
),
)
run(
asyncio.gather(
session1.start(session2.getLocalParameters()),
session2.start(session1.getLocalParameters()),
))
# send same RTP twice, to trigger error on the receiver side:
# "replay check failed (bad index)"
run(session1._send_rtp(RTP))
run(session1._send_rtp(RTP))
run(asyncio.sleep(0.1))
self.assertEqual(len(receiver2.rtcp_packets), 0)
self.assertEqual(len(receiver2.rtp_packets), 1)
# shutdown
run(session1.stop())
run(session2.stop())
def test_common_static(self):
local_codecs = MEDIA_CODECS['audio'][:]
remote_codecs = [
RTCRtpCodecParameters(name='PCMA', clockRate=8000, payloadType=8),
RTCRtpCodecParameters(name='PCMU', clockRate=8000, payloadType=0),
]
common = find_common_codecs(local_codecs, remote_codecs)
self.assertEqual(len(common), 2)
self.assertEqual(common[0].clockRate, 8000)
self.assertEqual(common[0].name, 'PCMA')
self.assertEqual(common[0].payloadType, 8)
self.assertEqual(common[1].clockRate, 8000)
self.assertEqual(common[1].name, 'PCMU')
self.assertEqual(common[1].payloadType, 0)
def test_retransmit_with_rtx(self):
"""
Ask for an RTP packet retransmission.
"""
queue = asyncio.Queue()
async def mock_send_rtp(data):
if not is_rtcp(data):
await queue.put(RtpPacket.parse(data))
self.local_transport._send_rtp = mock_send_rtp
sender = RTCRtpSender(VideoStreamTrack(), self.local_transport)
sender._ssrc = 1234
sender._rtx_ssrc = 2345
self.assertEqual(sender.kind, 'video')
run(
sender.send(
RTCRtpParameters(codecs=[
RTCRtpCodecParameters(
name='VP8', clockRate=90000, payloadType=100),
RTCRtpCodecParameters(name='rtx',
clockRate=90000,
payloadType=101,
parameters={'apt': 100})
])))
# wait for one packet to be transmitted, and ask to retransmit
packet = run(queue.get())
run(sender._retransmit(packet.sequence_number))
# wait for packet to be retransmitted, then shutdown
run(asyncio.sleep(0.1))
run(sender.stop())
# check packet was retransmitted
found_rtx = None
while not queue.empty():
queue_packet = queue.get_nowait()
if queue_packet.payload_type == 101:
found_rtx = queue_packet
break
self.assertIsNotNone(found_rtx)
self.assertEqual(found_rtx.payload_type, 101)
self.assertEqual(found_rtx.ssrc, 2345)
self.assertEqual(found_rtx.payload[0:2],
pack('!H', packet.sequence_number))
def test_handle_rtcp_remb(self):
sender = RTCRtpSender(VideoStreamTrack(), self.local_transport)
self.assertEqual(sender.kind, 'video')
run(
sender.send(
RTCRtpParameters(codecs=[
RTCRtpCodecParameters(
name='VP8', clockRate=90000, payloadType=100),
])))
# receive RTCP feedback REMB
packet = RtcpPsfbPacket(fmt=RTCP_PSFB_APP,
ssrc=1234,
media_ssrc=0,
fci=b'REMB\x01\x13\xf7\xa0\x96\xbe\x96\xcf')
run(sender._handle_rtcp_packet(packet))
# receive RTCP feedback REMB (malformed)
packet = RtcpPsfbPacket(fmt=RTCP_PSFB_APP,
ssrc=1234,
media_ssrc=0,
fci=b'JUNK')
run(sender._handle_rtcp_packet(packet))
# clean shutdown
run(sender.stop())
def test_rtp_rtx_unknown_ssrc(self):
receiver = RTCRtpReceiver("video", self.local_transport)
self.assertEqual(receiver.transport, self.local_transport)
receiver._track = RemoteStreamTrack(kind="video")
run(
receiver.receive(
RTCRtpReceiveParameters(
codecs=[
VP8_CODEC,
RTCRtpCodecParameters(
mimeType="video/rtx",
clockRate=90000,
payloadType=101,
parameters={"apt": 100},
),
]
)
)
)
# receive RTX with unknown SSRC
packet = RtpPacket(payload_type=101, ssrc=1234)
run(receiver._handle_rtp_packet(packet, arrival_time_ms=0))
# shutdown
run(receiver.stop())
def test_send_keyframe(self):
"""
Ask for a keyframe.
"""
queue = asyncio.Queue()
async def mock_send_rtp(data):
if not is_rtcp(data):
await queue.put(RtpPacket.parse(data))
self.local_transport._send_rtp = mock_send_rtp
sender = RTCRtpSender(VideoStreamTrack(), self.local_transport)
self.assertEqual(sender.kind, 'video')
run(
sender.send(
RTCRtpParameters(codecs=[
RTCRtpCodecParameters(
name='VP8', clockRate=90000, payloadType=100),
])))
# wait for one packet to be transmitted, and ask for keyframe
run(queue.get())
sender._send_keyframe()
# wait for packet to be transmitted, then shutdown
run(asyncio.sleep(0.1))
run(sender.stop())
async def test_rtp_rtx(self):
async with create_receiver("video") as receiver:
receiver._track = RemoteStreamTrack(kind="video")
await receiver.receive(
RTCRtpReceiveParameters(
codecs=[
VP8_CODEC,
RTCRtpCodecParameters(
mimeType="video/rtx",
clockRate=90000,
payloadType=101,
parameters={"apt": 100},
),
],
encodings=[
RTCRtpEncodingParameters(
ssrc=1234,
payloadType=100,
rtx=RTCRtpRtxParameters(ssrc=2345),
)
],
)
)
# receive RTX with payload
packet = RtpPacket(payload_type=101, ssrc=2345, payload=b"\x00\x00")
await receiver._handle_rtp_packet(packet, arrival_time_ms=0)
# receive RTX without payload
packet = RtpPacket(payload_type=101, ssrc=2345)
await receiver._handle_rtp_packet(packet, arrival_time_ms=0)
def test_retransmit(self):
"""
Ask for an RTP packet retransmission.
"""
transport = FakeDtlsTransport()
sender = RTCRtpSender(VideoStreamTrack(), transport)
self.assertEqual(sender.kind, 'video')
self.assertEqual(sender.transport, transport)
run(
sender.send(
RTCRtpParameters(codecs=[
RTCRtpCodecParameters(
name='VP8', clockRate=90000, payloadType=100),
])))
# wait for one packet to be transmitted, and ask to retransmit
packet = run(transport.queue.get())
run(sender._retransmit(packet.sequence_number))
# wait for packet to be retransmitted, then shutdown
run(asyncio.sleep(0.5))
run(sender.stop())
# check packet was retransmitted
found_rtx = False
while not transport.queue.empty():
queue_packet = transport.queue.get_nowait()
if queue_packet.sequence_number == packet.sequence_number:
found_rtx = True
self.assertTrue(found_rtx)
def test_retransmit(self):
"""
Ask for an RTP packet retransmission.
"""
transport = FakeDtlsTransport()
sender = RTCRtpSender(VideoStreamTrack(), transport)
self.assertEqual(sender.kind, 'video')
self.assertEqual(sender.transport, transport)
run(
sender.send(
RTCRtpParameters(codecs=[
RTCRtpCodecParameters(
name='VP8', clockRate=90000, payloadType=100),
])))
# wait for one packet to be transmitted, and ask to retransmit
packet = run(transport.queue.get())
run(sender._retransmit(packet.sequence_number))
# wait for packet to be transmitted
rtx_packet = run(transport.queue.get())
self.assertEqual(rtx_packet.sequence_number, packet.sequence_number)
# clean shutdown
run(sender.stop())
def test_handle_rtcp_rr(self):
transport, remote = dummy_dtls_transport_pair()
sender = RTCRtpSender(VideoStreamTrack(), transport)
self.assertEqual(sender.kind, 'video')
self.assertEqual(sender.transport, transport)
run(
sender.send(
RTCRtpParameters(codecs=[
RTCRtpCodecParameters(
name='VP8', clockRate=90000, payloadType=100),
])))
# receive RTCP RR
for packet in RtcpPacket.parse(load('rtcp_rr.bin')):
run(sender._handle_rtcp_packet(packet))
# check stats
report = run(sender.getStats())
self.assertTrue(isinstance(report, RTCStatsReport))
self.assertEqual(sorted([s.type for s in report.values()]),
['outbound-rtp', 'remote-inbound-rtp', 'transport'])
# clean shutdown
run(sender.stop())
def test_send_rtcp_pli(self):
receiver = RTCRtpReceiver('video', self.local_transport)
receiver._ssrc = 1234
receiver._track = RemoteStreamTrack(kind='video')
run(receiver.receive(RTCRtpParameters(codecs=[
RTCRtpCodecParameters(name='VP8', clockRate=90000, payloadType=100),
])))
# send RTCP feedback PLI
run(receiver._send_rtcp_pli(5678))
# shutdown
run(receiver.stop())
async def test_retransmit_with_rtx(self):
"""
Ask for an RTP packet retransmission.
"""
queue = asyncio.Queue()
async def mock_send_rtp(data):
if not is_rtcp(data):
await queue.put(RtpPacket.parse(data))
async with dummy_dtls_transport_pair() as (local_transport, _):
local_transport._send_rtp = mock_send_rtp
sender = RTCRtpSender(VideoStreamTrack(), local_transport)
sender._ssrc = 1234
sender._rtx_ssrc = 2345
self.assertEqual(sender.kind, "video")
await sender.send(
RTCRtpParameters(codecs=[
VP8_CODEC,
RTCRtpCodecParameters(
mimeType="video/rtx",
clockRate=90000,
payloadType=101,
parameters={"apt": 100},
),
]))
# wait for one packet to be transmitted, and ask to retransmit
packet = await queue.get()
await sender._retransmit(packet.sequence_number)
# wait for packet to be retransmitted, then shutdown
await asyncio.sleep(0.1)
await sender.stop()
# check packet was retransmitted
found_rtx = None
while not queue.empty():
queue_packet = queue.get_nowait()
if queue_packet.payload_type == 101:
found_rtx = queue_packet
break
self.assertIsNotNone(found_rtx)
self.assertEqual(found_rtx.payload_type, 101)
self.assertEqual(found_rtx.ssrc, 2345)
self.assertEqual(found_rtx.payload[0:2],
pack("!H", packet.sequence_number))
def test_rtp_empty_video_packet(self):
receiver = RTCRtpReceiver('video', self.local_transport)
self.assertEqual(receiver.transport, self.local_transport)
receiver._track = RemoteStreamTrack(kind='video')
run(receiver.receive(RTCRtpParameters(codecs=[
RTCRtpCodecParameters(name='VP8', clockRate=90000, payloadType=100),
])))
# receive RTP with empty payload
packet = RtpPacket(payload_type=100)
run(receiver._handle_rtp_packet(packet, arrival_time_ms=0))
# shutdown
run(receiver.stop())
def test_send_rtcp_nack(self):
transport, remote = dummy_dtls_transport_pair()
receiver = RTCRtpReceiver('video', transport)
receiver._ssrc = 1234
receiver._track = RemoteStreamTrack(kind='video')
run(receiver.receive(RTCRtpParameters(codecs=[
RTCRtpCodecParameters(name='VP8', clockRate=90000, payloadType=100),
])))
# send RTCP feedback NACK
run(receiver._send_rtcp_nack(5678, [7654]))
# shutdown
run(receiver.stop())
def test_rtp_empty_video_packet(self):
transport, remote = dummy_dtls_transport_pair()
receiver = RTCRtpReceiver('video', transport)
self.assertEqual(receiver.transport, transport)
receiver._track = RemoteStreamTrack(kind='audio')
run(
receiver.receive(
RTCRtpParameters(codecs=[
RTCRtpCodecParameters(
name='VP8', clockRate=90000, payloadType=100),
])))
# receive RTP with empty payload
packet = RtpPacket(payload_type=100)
run(receiver._handle_rtp_packet(packet))
def test_handle_rtcp_pli(self):
sender = RTCRtpSender(VideoStreamTrack(), self.local_transport)
self.assertEqual(sender.kind, 'video')
run(
sender.send(
RTCRtpParameters(codecs=[
RTCRtpCodecParameters(
name='VP8', clockRate=90000, payloadType=100),
])))
# receive RTCP feedback NACK
packet = RtcpPsfbPacket(fmt=RTCP_PSFB_PLI, ssrc=1234, media_ssrc=5678)
run(sender._handle_rtcp_packet(packet))
# clean shutdown
run(sender.stop())
def test_handle_rtcp_nack(self):
transport, remote = dummy_dtls_transport_pair()
sender = RTCRtpSender(VideoStreamTrack(), transport)
self.assertEqual(sender.kind, 'video')
self.assertEqual(sender.transport, transport)
run(sender.send(RTCRtpParameters(codecs=[
RTCRtpCodecParameters(name='VP8', clockRate=90000, payloadType=100),
])))
# receive RTCP feedback NACK
packet = RtcpRtpfbPacket(fmt=RTCP_RTPFB_NACK, ssrc=1234, media_ssrc=5678)
packet.lost.append(7654)
run(sender._handle_rtcp_packet(packet))
# clean shutdown
run(sender.stop())
async def test_rtp_rtx_unknown_ssrc(self):
async with create_receiver("video") as receiver:
receiver._track = RemoteStreamTrack(kind="video")
await receiver.receive(
RTCRtpReceiveParameters(
codecs=[
VP8_CODEC,
RTCRtpCodecParameters(
mimeType="video/rtx",
clockRate=90000,
payloadType=101,
parameters={"apt": 100},
),
]
)
)
# receive RTX with unknown SSRC
packet = RtpPacket(payload_type=101, ssrc=1234)
await receiver._handle_rtp_packet(packet, arrival_time_ms=0)
def test_rtp_rtx(self):
receiver = RTCRtpReceiver("video", self.local_transport)
self.assertEqual(receiver.transport, self.local_transport)
receiver._track = RemoteStreamTrack(kind="video")
run(
receiver.receive(
RTCRtpReceiveParameters(
codecs=[
VP8_CODEC,
RTCRtpCodecParameters(
mimeType="video/rtx",
clockRate=90000,
payloadType=101,
parameters={"apt": 100},
),
],
encodings=[
RTCRtpEncodingParameters(
ssrc=1234,
payloadType=100,
rtx=RTCRtpRtxParameters(ssrc=2345),
)
],
)
)
)
# receive RTX with payload
packet = RtpPacket(payload_type=101, ssrc=2345, payload=b"\x00\x00")
run(receiver._handle_rtp_packet(packet, arrival_time_ms=0))
# receive RTX without payload
packet = RtpPacket(payload_type=101, ssrc=2345)
run(receiver._handle_rtp_packet(packet, arrival_time_ms=0))
# shutdown
run(receiver.stop())
def test_retransmit(self):
"""
Ask for an RTP packet retransmission.
"""
queue = asyncio.Queue()
async def mock_send_rtp(data):
if not is_rtcp(data):
await queue.put(RtpPacket.parse(data))
self.local_transport._send_rtp = mock_send_rtp
sender = RTCRtpSender(VideoStreamTrack(), self.local_transport)
self.assertEqual(sender.kind, 'video')
run(
sender.send(
RTCRtpParameters(codecs=[
RTCRtpCodecParameters(
name='VP8', clockRate=90000, payloadType=100),
])))
# wait for one packet to be transmitted, and ask to retransmit
packet = run(queue.get())
run(sender._retransmit(packet.sequence_number))
# wait for packet to be retransmitted, then shutdown
run(asyncio.sleep(0.5))
run(sender.stop())
# check packet was retransmitted
found_rtx = False
while not queue.empty():
queue_packet = queue.get_nowait()
if queue_packet.sequence_number == packet.sequence_number:
found_rtx = True
self.assertTrue(found_rtx)
def test_send_keyframe(self):
"""
Ask for a keyframe.
"""
transport = FakeDtlsTransport()
sender = RTCRtpSender(VideoStreamTrack(), transport)
self.assertEqual(sender.kind, 'video')
self.assertEqual(sender.transport, transport)
run(
sender.send(
RTCRtpParameters(codecs=[
RTCRtpCodecParameters(
name='VP8', clockRate=90000, payloadType=100),
])))
# wait for one packet to be transmitted, and ask for keyframe
run(transport.queue.get())
sender._send_keyframe()
# wait for packet to be transmitted, then shutdown
run(asyncio.sleep(0.5))
run(sender.stop())
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.bundle, ['sdparta_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].rtp.rtcp.cname,
'{6f52d07e-17ef-42c5-932b-3b57c64fe049}')
self.assertEqual(d.media[0].rtp.rtcp.mux, True)
self.assertEqual(d.media[0].rtp.rtcp.ssrc, 3408404552)
self.assertEqual(d.media[0].rtcp_host, '192.168.99.7')
self.assertEqual(d.media[0].rtcp_port, 52914)
# 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.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
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=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
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.bundle, ['video'])
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].rtp.rtcp.cname, '9iW3jspLCZJ5WjOZ')
self.assertEqual(d.media[0].rtp.rtcp.mux, True)
self.assertEqual(d.media[0].rtp.rtcp.ssrc, 1845476211)
self.assertEqual(d.media[0].rtcp_host, '0.0.0.0')
self.assertEqual(d.media[0].rtcp_port, 9)
# 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.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')
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:1 1 UDP 2122252543 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 47387 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=candidate:0 2 UDP 2122187006 192.168.99.58 38612 typ host
a=candidate:1 2 UDP 2122252542 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 54301 typ host
a=candidate:2 2 TCP 2105458942 192.168.99.58 9 typ host tcptype active
a=candidate:3 2 TCP 2105524478 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 9 typ host tcptype active
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=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.bundle, ['sdparta_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].rtp.rtcp.cname,
'{ed463ac5-dabf-44d4-8b9f-e14318427b2b}')
self.assertEqual(d.media[0].rtp.rtcp.mux, True)
self.assertEqual(d.media[0].rtp.rtcp.ssrc, 882128807)
self.assertEqual(d.media[0].rtcp_host, '192.168.99.58')
self.assertEqual(d.media[0].rtcp_port, 38612)
# 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), 8)
self.assertEqual(d.media[0].ice_candidates_complete, True)
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
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:1 1 UDP 2122252543 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 47387 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=candidate:0 2 UDP 2122187006 192.168.99.58 38612 typ host
a=candidate:1 2 UDP 2122252542 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 54301 typ host
a=candidate:2 2 TCP 2105458942 192.168.99.58 9 typ host tcptype active
a=candidate:3 2 TCP 2105524478 2a02:a03f:3eb0:e000:b0aa:d60a:cff2:933c 9 typ host tcptype active
a=end-of-candidates
a=ice-ufrag:403a81e1
a=ice-pwd:f9b83487285016f7492197a5790ceee5
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.bundle, ['audio'])
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].rtp.rtcp.cname, '/vC4ULAr8vHNjXmq')
self.assertEqual(d.media[0].rtp.rtcp.mux, True)
self.assertEqual(d.media[0].rtp.rtcp.ssrc, 1944796561)
self.assertEqual(d.media[0].rtcp_host, '0.0.0.0')
self.assertEqual(d.media[0].rtcp_port, 9)
# 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.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
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=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=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
import fractions
from aiortc.codecs import get_decoder, get_encoder
from aiortc.codecs.opus import OpusDecoder, OpusEncoder
from aiortc.jitterbuffer import JitterFrame
from aiortc.rtcrtpparameters import RTCRtpCodecParameters
from .codecs import CodecTestCase
OPUS_CODEC = RTCRtpCodecParameters(name='opus', clockRate=48000, channels=2)
class OpusTest(CodecTestCase):
def test_decoder(self):
decoder = get_decoder(OPUS_CODEC)
self.assertTrue(isinstance(decoder, OpusDecoder))
frames = decoder.decode(JitterFrame(data=b'\xfc\xff\xfe', timestamp=0))
self.assertEqual(len(frames), 1)
frame = frames[0]
self.assertEqual(frame.channels, 2)
self.assertEqual(frame.data, b'\x00' * 4 * 960)
self.assertEqual(frame.sample_rate, 48000)
self.assertEqual(frame.pts, 0)
self.assertEqual(frame.time_base, fractions.Fraction(1, 48000))
def test_encoder_mono_8khz(self):
encoder = get_encoder(OPUS_CODEC)
self.assertTrue(isinstance(encoder, OpusEncoder))
frames = self.create_audio_frames(channels=1,
import fractions
import io
from contextlib import redirect_stderr
from unittest import TestCase
from aiortc.codecs import get_decoder, get_encoder
from aiortc.codecs.h264 import H264Decoder, H264Encoder, H264PayloadDescriptor
from aiortc.jitterbuffer import JitterFrame
from aiortc.rtcrtpparameters import RTCRtpCodecParameters
from .codecs import CodecTestCase
from .utils import load
H264_CODEC = RTCRtpCodecParameters(
mimeType="video/H264", clockRate=90000, payloadType=100
)
class H264PayloadDescriptorTest(TestCase):
def test_parse_empty(self):
with self.assertRaises(ValueError) as cm:
H264PayloadDescriptor.parse(b"")
self.assertEqual(str(cm.exception), "NAL unit is too short")
def test_parse_stap_a(self):
payload = load("h264_0000.bin")
descr, rest = H264PayloadDescriptor.parse(payload)
self.assertEqual(descr.first_fragment, True)
self.assertEqual(repr(descr), "H264PayloadDescriptor(FF=True)")
self.assertEqual(rest[:4], b"\00\00\00\01")
self.assertEqual(len(rest), 26)
def test_rtp(self):
transport1, transport2 = dummy_ice_transport_pair()
certificate1 = RTCCertificate.generateCertificate()
session1 = RTCDtlsTransport(transport1, [certificate1])
receiver1 = DummyRtpReceiver()
session1._register_rtp_receiver(
receiver1,
RTCRtpReceiveParameters(
codecs=[
RTCRtpCodecParameters(
mimeType="audio/PCMU", clockRate=8000, payloadType=0
)
],
encodings=[RTCRtpDecodingParameters(ssrc=1831097322, payloadType=0)],
),
)
certificate2 = RTCCertificate.generateCertificate()
session2 = RTCDtlsTransport(transport2, [certificate2])
receiver2 = DummyRtpReceiver()
session2._register_rtp_receiver(
receiver2,
RTCRtpReceiveParameters(
codecs=[
RTCRtpCodecParameters(
mimeType="audio/PCMU", clockRate=8000, payloadType=0
)
],
encodings=[RTCRtpDecodingParameters(ssrc=4028317929, payloadType=0)],
),
)
run(
asyncio.gather(
session1.start(session2.getLocalParameters()),
session2.start(session1.getLocalParameters()),
)
)
self.assertCounters(session1, session2, 2, 2)
# send RTP
run(session1._send_rtp(RTP))
run(asyncio.sleep(0.1))
self.assertCounters(session1, session2, 3, 2)
self.assertEqual(len(receiver2.rtcp_packets), 0)
self.assertEqual(len(receiver2.rtp_packets), 1)
# send RTCP
run(session2._send_rtp(RTCP))
run(asyncio.sleep(0.1))
self.assertCounters(session1, session2, 3, 3)
self.assertEqual(len(receiver1.rtcp_packets), 1)
self.assertEqual(len(receiver1.rtp_packets), 0)
# shutdown
run(session1.stop())
run(asyncio.sleep(0.1))
self.assertCounters(session1, session2, 4, 3)
self.assertEqual(session1.state, "closed")
self.assertEqual(session2.state, "closed")
# try closing again
run(session1.stop())
run(session2.stop())
# try sending after close
with self.assertRaises(ConnectionError):
run(session1._send_rtp(RTP))
import fractions
from aiortc.codecs import get_decoder, get_encoder
from aiortc.codecs.opus import OpusDecoder, OpusEncoder
from aiortc.jitterbuffer import JitterFrame
from aiortc.rtcrtpparameters import RTCRtpCodecParameters
from .codecs import CodecTestCase
OPUS_CODEC = RTCRtpCodecParameters(mimeType='audio/opus', clockRate=48000, channels=2,
payloadType=100)
class OpusTest(CodecTestCase):
def test_decoder(self):
decoder = get_decoder(OPUS_CODEC)
self.assertTrue(isinstance(decoder, OpusDecoder))
frames = decoder.decode(JitterFrame(data=b'\xfc\xff\xfe', timestamp=0))
self.assertEqual(len(frames), 1)
frame = frames[0]
self.assertEqual(frame.format.name, 's16')
self.assertEqual(frame.layout.name, 'stereo')
self.assertEqual(bytes(frame.planes[0]), b'\x00' * 4 * 960)
self.assertEqual(frame.sample_rate, 48000)
self.assertEqual(frame.pts, 0)
self.assertEqual(frame.time_base, fractions.Fraction(1, 48000))
def test_encoder_mono_8khz(self):
encoder = get_encoder(OPUS_CODEC)
self.assertTrue(isinstance(encoder, OpusEncoder))
