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155 lines
4.3 KiB
155 lines
4.3 KiB
#!/usr/bin/env python3
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import unittest
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import aiortc
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from aiortc.mediastreams import AudioStreamTrack
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from teleoprtc.builder import WebRTCOfferBuilder, WebRTCAnswerBuilder
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from teleoprtc.info import parse_info_from_offer
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from teleoprtc.tracks import TiciVideoStreamTrack
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class OfferCapture:
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def __init__(self):
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self.offer = None
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async def __call__(self, offer):
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self.offer = offer
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raise Exception("Offer captured")
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class DummyH264VideoStreamTrack(TiciVideoStreamTrack):
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kind = "video"
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async def recv(self):
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raise NotImplementedError()
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def codec_preference(self):
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return "H264"
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class TestOfferStream(unittest.IsolatedAsyncioTestCase):
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async def test_offer_stream_sdp_recvonly_audio(self):
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capture = OfferCapture()
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builder = WebRTCOfferBuilder(capture)
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builder.offer_to_receive_audio_stream()
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stream = builder.stream()
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try:
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_ = await stream.start()
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except Exception:
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pass
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info = parse_info_from_offer(capture.offer.sdp)
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self.assertTrue(info.expected_audio_track)
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self.assertFalse(info.incoming_audio_track)
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async def test_offer_stream_sdp_sendonly_audio(self):
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capture = OfferCapture()
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builder = WebRTCOfferBuilder(capture)
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builder.add_audio_stream(AudioStreamTrack())
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stream = builder.stream()
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try:
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_ = await stream.start()
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except Exception:
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pass
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info = parse_info_from_offer(capture.offer.sdp)
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self.assertFalse(info.expected_audio_track)
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self.assertTrue(info.incoming_audio_track)
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async def test_offer_stream_sdp_channel(self):
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capture = OfferCapture()
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builder = WebRTCOfferBuilder(capture)
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builder.add_messaging()
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stream = builder.stream()
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try:
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_ = await stream.start()
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except Exception:
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pass
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info = parse_info_from_offer(capture.offer.sdp)
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self.assertTrue(info.incoming_datachannel)
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class TestAnswerStream(unittest.IsolatedAsyncioTestCase):
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async def test_codec_preference(self):
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offer_sdp = """v=0
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o=- 3910274679 3910274679 IN IP4 0.0.0.0
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s=-
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t=0 0
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a=group:BUNDLE 0
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a=msid-semantic:WMS *
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m=video 1337 UDP/TLS/RTP/SAVPF 97 98 99 100 101 102
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c=IN IP4 0.0.0.0
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a=recvonly
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a=mid:0
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a=msid:34803878-98f8-4245-b45c-f773e5f926df 881dbc20-356a-499c-b4e8-695303bb901d
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a=rtcp:9 IN IP4 0.0.0.0
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a=rtcp-mux
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a=ssrc-group:FID 1303546896 3784011659
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a=ssrc:1303546896 cname:a59185ac-c115-48d3-b39b-db7d615a6966
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a=ssrc:3784011659 cname:a59185ac-c115-48d3-b39b-db7d615a6966
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a=rtpmap:97 VP8/90000
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a=rtcp-fb:97 nack
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a=rtcp-fb:97 nack pli
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a=rtcp-fb:97 goog-remb
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a=rtpmap:99 H264/90000
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a=rtcp-fb:99 nack
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a=rtcp-fb:99 nack pli
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a=rtcp-fb:99 goog-remb
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a=fmtp:99 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f
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a=ice-ufrag:1234
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a=ice-pwd:1234
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a=fingerprint:sha-256 15:F3:F0:23:67:44:EE:2C:AA:8C:D9:50:95:26:42:7C:67:EA:1F:D2:92:C5:97:01:7B:2E:57:C9:A3:13:00:4A
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a=setup:actpass"""
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builder = WebRTCAnswerBuilder(offer_sdp)
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builder.add_video_stream("road", DummyH264VideoStreamTrack("road", 0.05))
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stream = builder.stream()
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answer = await stream.start()
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sdp_desc = aiortc.sdp.SessionDescription.parse(answer.sdp)
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video_desc = [m for m in sdp_desc.media if m.kind == "video"][0]
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codecs = video_desc.rtp.codecs
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self.assertEqual(codecs[0].mimeType, "video/H264")
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async def test_fail_if_preferred_codec_not_in_offer(self):
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offer_sdp = """v=0
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o=- 3910274679 3910274679 IN IP4 0.0.0.0
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s=-
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t=0 0
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a=group:BUNDLE 0
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a=msid-semantic:WMS *
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m=video 1337 UDP/TLS/RTP/SAVPF 97 98 99 100 101 102
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c=IN IP4 0.0.0.0
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a=recvonly
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a=mid:0
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a=msid:34803878-98f8-4245-b45c-f773e5f926df 881dbc20-356a-499c-b4e8-695303bb901d
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a=rtcp:9 IN IP4 0.0.0.0
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a=rtcp-mux
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a=ssrc-group:FID 1303546896 3784011659
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a=ssrc:1303546896 cname:a59185ac-c115-48d3-b39b-db7d615a6966
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a=ssrc:3784011659 cname:a59185ac-c115-48d3-b39b-db7d615a6966
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a=rtpmap:97 VP8/90000
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a=rtcp-fb:97 nack
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a=rtcp-fb:97 nack pli
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a=rtcp-fb:97 goog-remb
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a=ice-ufrag:1234
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a=ice-pwd:1234
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a=fingerprint:sha-256 15:F3:F0:23:67:44:EE:2C:AA:8C:D9:50:95:26:42:7C:67:EA:1F:D2:92:C5:97:01:7B:2E:57:C9:A3:13:00:4A
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a=setup:actpass"""
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builder = WebRTCAnswerBuilder(offer_sdp)
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builder.add_video_stream("road", DummyH264VideoStreamTrack("road", 0.05))
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stream = builder.stream()
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with self.assertRaises(ValueError):
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_ = await stream.start()
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if __name__=="__main__":
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unittest.main() |