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janus: Add options near the top
Add some script configuration options to choose between VP8 and H.264 near the top, to modify the video input source, and to enable/disable RTX support
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1 changed files with 15 additions and 4 deletions
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@ -15,6 +15,15 @@ from websockets.exceptions import ConnectionClosed
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import attr
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# Set to False to send H.264
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DO_VP8 = True
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# Set to False to disable RTX (lost packet retransmission)
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DO_RTX = True
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# Choose the video source:
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VIDEO_SRC="videotestsrc pattern=ball"
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# VIDEO_SRC="v4l2src"
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@attr.s
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class JanusEvent:
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sender = attr.ib(validator=attr.validators.instance_of(int))
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@ -66,8 +75,6 @@ from gi.repository import GstWebRTC
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gi.require_version('GstSdp', '1.0')
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from gi.repository import GstSdp
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DO_VP8 = True
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if DO_VP8:
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( encoder, payloader, rtp_encoding) = ( "vp8enc target-bitrate=500000", "rtpvp8pay", "VP8" )
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else:
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@ -75,9 +82,9 @@ else:
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PIPELINE_DESC = '''
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webrtcbin name=sendrecv stun-server=stun://stun.l.google.com:19302
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videotestsrc pattern=ball ! video/x-raw,width=320,height=240 ! videoconvert ! queue !
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{} ! video/x-raw,width=640,height=480 ! videoconvert ! queue !
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{} ! {} ! queue ! application/x-rtp,media=video,encoding-name={},payload=96 ! sendrecv.
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'''.format(encoder, payloader, rtp_encoding)
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'''.format(VIDEO_SRC, encoder, payloader, rtp_encoding)
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def transaction_id():
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return ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(8))
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@ -328,6 +335,10 @@ class WebRTCClient:
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self.webrtc.connect('on-negotiation-needed', self.on_negotiation_needed)
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self.webrtc.connect('on-ice-candidate', self.send_ice_candidate_message)
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self.webrtc.connect('pad-added', self.on_incoming_stream)
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trans = self.webrtc.emit('get-transceiver', 0)
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if DO_RTX:
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trans.set_property ('do-nack', True)
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self.pipe.set_state(Gst.State.PLAYING)
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def extract_ice_from_sdp(self, sdp):
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