Android WebRTC ICE restart example

Naiyin

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Nov 6, 2019, 2:56:29 PM11/6/19

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Does anyone have an example about how to support ICE restart with WebRTC library in Android?

I've been tried for a while, I make it work for ICE restart.

dudu mark

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Nov 15, 2019, 11:02:29 AM11/15/19

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You can set this constrain before you call createOffer:

sdpMediaConstraints.mandatory.add(new MediaConstraints.KeyValuePair("IceRestart", "true"));

peerConnection.createOffer(localSdpObserver, sdpMediaConstraints);

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Naiyin

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Nov 15, 2019, 2:47:30 PM11/15/19

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When should I call createOffer?

When ice disconnected event triggered?

dudu mark

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Nov 17, 2019, 11:15:04 AM11/17/19

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We are calling it as part of the RTP reconnecting process, when we get PeerConnectionEvents.onIceFailed()

Naiyin

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Nov 19, 2019, 3:30:47 PM11/19/19

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So only call it when ice failed, but not ice disconnected?

Do you call it on the caller side or callee side?

dudu mark

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Nov 20, 2019, 9:08:05 AM11/20/19

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We are doing it on the caller side, and only on failed, which is received few sec after the disconnect (possible to do it also on disconnect)

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Naiyin

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Nov 21, 2019, 9:14:40 PM11/21/19

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I'm doing the same thing, on caller side only.

When ice connection failed, I create an offer with "IceRestart" on the caller side.

However, after a few wifi->date, date->wifi, flight mode on/off try, it ice restart will not work anymore.

When ice restart do we need to send SDP to callee?

On Wednesday, November 20, 2019 at 6:08:05 AM UTC-8, dudu mark wrote:

We are doing it on the caller side, and only on failed, which is received few sec after the disconnect (possible to do it also on disconnect)

On Tue, Nov 19, 2019 at 10:31 PM Naiyin <tianx...@gmail.com> wrote:

So only call it when ice failed, but not ice disconnected?

Do you call it on the caller side or callee side?

On Sunday, 17 November 2019 08:15:04 UTC-8, dudu mark wrote:
We are calling it as part of the RTP reconnecting process, when we get PeerConnectionEvents.onIceFailed()

On Friday, November 15, 2019 at 9:47:30 PM UTC+2, Naiyin wrote:
When should I call createOffer?
When ice disconnected event triggered?

On Friday, 15 November 2019 08:02:29 UTC-8, dudu mark wrote:
You can set this constrain before you call createOffer:

sdpMediaConstraints.mandatory.add(new MediaConstraints.KeyValuePair("IceRestart", "true"));
peerConnection.createOffer(localSdpObserver, sdpMediaConstraints);

On Wednesday, November 6, 2019 at 9:56:29 PM UTC+2, Naiyin wrote:
Does anyone have an example about how to support ICE restart with WebRTC library in Android?

I've been tried for a while, I make it work for ICE restart.

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dudu mark

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Nov 23, 2019, 12:04:14 PM11/23/19

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Yes

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