Pipeline resistant to CSI Camera disconnect.

[Michael Gruner]

There are some nice appsink/appsrc examples in the gst-plugins-bad repo:

https://github.com/GStreamer/gst-plugins-base/blob/master/tests/examples/app/appsink-src.c <https://github.com/GStreamer/gst-plugins-base/blob/master/tests/examples/app/appsink-src.c>

Michael

> On 12 Jul 2022, at 14:58, Dirtec via gstreamer-devel <gstreamer-devel at lists.freedesktop.org> wrote:
> 
> 
> 
> Hello,
> 
> Thanks for the hint.
> 
> I am new to GStreamer so could you explain how to use appsrc/appsink  for my usecase ?
> 
> Thanks
> 
> Frederic
> 
> Le 12/07/2022 à 13:35, Nicolas Dufresne a écrit :
>> 
>> 
>> Le lun. 11 juill. 2022, 17 h 30, Dirtec via gstreamer-devel <gstreamer-devel at lists.freedesktop.org <mailto:gstreamer-devel at lists.freedesktop.org>> a écrit :
>> Hello,
>> 
>> I have the following pipeline running on a Jetson Xavier NX with 2 Li-IMX390 camera.
>> 
>> nvarguscamerasrc sensor-id=0 name=video_element_0 ! "video/x-raw(memory:NVMM),width=1920,height=1080,format=NV12,framerate=30/1" ! queue ! nvv4l2h265enc control-rate=0 profile=1 ! h265parse ! queue ! mpegtsmux name=mux ! filesink location="test.ts" name=filesink_element \
>> nvarguscamerasrc sensor-id=1 name=video_element_1 ! "video/x-raw(memory:NVMM),width=1920,height=1080,format=NV12,framerate=30/1" ! queue ! nvv4l2h265enc control-rate=0 profile=1 ! h265parse ! queue ! mux.
>> 
>> I would like to modify this pipeline so that when I disconnect a camera the other camera continues to record.
>> 
>> Any Idea on how to  achieve this ?
>> 
>> 
>> The most popular approach,.as it's easier is to split your pipeline in two. Using appsrc/appsink to bridge the data. As an alternative, Ridgerun have an open source element doing this as part of their gst-daemon utility.
>> 
>> Regards.
>> 
>> 
>> 
>> Frederic
>> 

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