def test_send_rtcp_pli(self):
receiver = RTCRtpReceiver('video', self.local_transport)
receiver._set_rtcp_ssrc(1234)
receiver._track = RemoteStreamTrack(kind='video')
run(receiver.receive(RTCRtpReceiveParameters(codecs=[VP8_CODEC])))
# send RTCP feedback PLI
run(receiver._send_rtcp_pli(5678))
# shutdown
run(receiver.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())
def test_rtp_missing_video_packet(self):
nacks = []
pli = []
async def mock_send_rtcp_nack(*args):
nacks.append(args)
async def mock_send_rtcp_pli(*args):
pli.append(args[0])
receiver = RTCRtpReceiver("video", self.local_transport)
self.assertEqual(receiver.transport, self.local_transport)
receiver._send_rtcp_nack = mock_send_rtcp_nack
receiver._send_rtcp_pli = mock_send_rtcp_pli
receiver._track = RemoteStreamTrack(kind="video")
run(receiver.receive(RTCRtpReceiveParameters(codecs=[VP8_CODEC])))
# generate some packets
packets = create_rtp_video_packets(self, codec=VP8_CODEC, frames=129)
# receive RTP with a with a gap
run(receiver._handle_rtp_packet(packets[0], arrival_time_ms=0))
run(receiver._handle_rtp_packet(packets[128], arrival_time_ms=0))
# check NACK was triggered
lost_packets = []
for i in range(127):
lost_packets.append(i + 1)
self.assertEqual(nacks[0], (1234, lost_packets))
# check PLI was triggered
self.assertEqual(pli, [1234])
# shutdown
run(receiver.stop())
