Problem with whipwebrtcsink uplink to Dolby.io, was Problem with NDISRC, WHIPSINK, and audio

[GST Developer]

Hi Tarun

We have finally got things up and running with GStreamer 1.22 as you advised, and indeed the 'request-aux-sender' issue has gone away.

Now we have a different issue, which might be some specific compatibility with Dolby.io <http://dolby.io/> (formerly millicast).

Here is what we get - the pipeline runs for a few seconds before failing:


gst-launch-1.0  ndisrc ndi-name="PRIMARY (SIGGEN)" ! ndisrcdemux  name=demux demux.video ! queue ! videoconvert ! whipwebrtcsink name=ws signaller::whip-endpoint="https://director.millicast.com/api/whip/myStreamName",auth-token="......redacted......" demux.audio ! queue ! audioconvert ! ws.
Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
Redistribute latency...
Redistribute latency...
Redistribute latency...

ERROR: from element /GstPipeline:pipeline0/GstWhipWebRTCSink:ws: GStreamer encountered a general stream error.
Additional debug info:
net/webrtc/src/webrtcsink/imp.rs(1493): gstrswebrtc::webrtcsink::imp::BaseWebRTCSink::connect_signaller::{{closure}}::{{closure}} (): /GstPipeline:pipeline0/GstWhipWebRTCSink:ws:
Signalling error: Error: Error None (Some("Old Canceller should not exist")) at net/webrtc/src/utils.rs:131 <http://utils.rs:131/>

Execution ended after 0:00:02.911160133
Setting pipeline to NULL ...
Freeing pipeline ...


Any ideas ?

Many thanks !

 

> On 15 Jul 2023, at 15:44, Tarun Tej K <tarun4690 at gmail.com> wrote:
> 
> Ok, you will need Gstreamer version 1.22 for this, where webrtcbin has this signal 'request-aux-sender' implemented.
> 


> On Sat, 15 Jul, 2023, 19:53 GST Developer, <gstreamer at gallery.co.uk <mailto:gstreamer at gallery.co.uk>> wrote:
>> Thanks Tarun,
>> 
>> we are making progress - this pipeline does startup, but it fails after a few seconds:
>> 
>> gst-launch-1.0  ndisrc ndi-name="NDIPE8 (SIGGEN)" ! ndisrcdemux  name=demux demux.video ! queue ! videoconvert ! whipwebrtcsink name=ws signaller::whip-endpoint="https://director.millicast.com/api/whip/myStreamName",auth-token=“..redacted.." demux.audio ! queue ! audioconvert ! ws.
>> 
>> Setting pipeline to PAUSED ...
>> Pipeline is live and does not need PREROLL ...
>> Pipeline is PREROLLED ...
>> Setting pipeline to PLAYING ...
>> New clock: GstSystemClock
>> Redistribute latency...
>> Redistribute latency...
>> Redistribute latency…
>> 
>> <it runs fine here for a few seconds with the numbers running>
>> 
>> thread 'tokio-runtime-worker' panicked at 'Signal 'request-aux-sender' of type 'GstWebRTCBin' not found', /home/ubuntu/.cargo/git/checkouts/gtk-rs-core-7be42ca38bd6361c/44c4ab3/glib/src/object.rs:2642:32
>> note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
>> thread '<unnamed>' panicked at 'called `Result::unwrap()` on an `Err` value: PoisonError { .. }', net/webrtc/src/webrtcsink/imp.rs:3013:47
>> ERROR: from element /GstPipeline:pipeline0/GstWhipWebRTCSink:ws: Panicked: called `Result::unwrap()` on an `Err` value: PoisonError { .. }
>> thread '<unnamed>' panicked at 'called `Result::unwrap()` on an `Err` value: PoisonError { .. }', net/webrtc/src/webrtcsink/imp.rs:3013Execution ended after 0:00:01.886767934
>> :47Setting pipeline to NULL ...
>> 
>> ERROR: from element /GstPipeline:pipeline0/GstWhipWebRTCSink:ws: Panicked
>> ERROR: from element /GstPipeline:pipeline0/GstWhipWebRTCSink:ws: Panicked
>> ERROR: from element /GstPipeline:pipeline0/GstWhipWebRTCSink:ws: Panicked: called `Result::unwrap()` on an `Err` value: PoisonError { .. }
>> ERROR: from element /GstPipeline:pipeline0/GstWhipWebRTCSink:ws: Panicked
>> Freeing pipeline …
>> 
>> 

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