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30 lines
968 B
Text
30 lines
968 B
Text
RTP collision design
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GstRTPCollision
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---------------
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Custon upstream event which contains the ssrc marked as collided.
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This event is generated on both pipeline sender and receiver side by
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the gstrtpsession element when it detects a conflict between ssrc.
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(same session id and same ssrc)
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It's an upstream event so that means this event is for now only
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useful on pipeline sender side. Because elements generating packets with the
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collided SSRC are placed upstream from the gstrtpsession.
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rtppayloader
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------------
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When handling a GstRTPCollision event, the rtppayloader has to choose another
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ssrc.
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BYE only the corresponding source, not the whole session.
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---------------------------------------------------------
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When a collision happens for the given ssrc, the associated source is marked
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bye. But we make sure that the whole session is not itself set bye.
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Because internally, gstrtpsession can manages several sources and all have
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their own distinct ssrc.
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