Hi, I’m using Gateworks Ventana Hardware with the imx6 and am trying to do a few things using gstreamer. I’ve reached out to them but they are unsure of which element is causing my error and suggested I try here. Right now I have the following kernel: Linux bionic-ventana 4.20.7-gce6ad6dac2e1 #129 SMP Tue May 12 21:10:10 UTC 2020 armv7l armv7l armv7l GNU/Linux And am using gstreamer 1.14.5 So first when I try to do a sink to kmssink it says “general resource error” I then switch it up to fbdevsink and it works. >From what I understand kmssink is the preferred method so that’s a little confusing and I feel it may cause an issue later. And the real issue I have is I’d like to display video on the screen while recording to file for later. I can save video or display to screen using each part of the tee below, but when I use both it writes a zero length file. gst-launch-1.0 -v v4l2src device=$DEVICE ! \ > v4l2video6convert output-io-mode=dmabuf-import ! \ > tee name=t ! queue ! fbdevsink \ > t. ! queue \ > v4l2h264enc output-io-mode=dmabuf-import ! \ > filesink location=video_capture/$(date +"%Y_%m_%d_%H_%M_%p").mp4 Setting pipeline to PAUSED ... Pipeline is live and does not need PREROLL ... Setting pipeline to PLAYING ... New clock: GstSystemClock /GstPipeline:pipeline0/GstV4l2Src:v4l2src0.GstPad:src: caps = video/x-raw, format=(string)YUY2, width=(int)720, height=(int)480, framerate=(fraction)25/1, interlace-mode=(string)progressive, colorimetry=(string)bt709 /GstPipeline:pipeline0/v4l2video6convert:v4l2video6convert0.GstPad:src: caps = video/x-raw, framerate=(fraction)25/1, interlace-mode=(string)progressive, format=(string)RGB16, width=(int)720, height=(int)480 /GstPipeline:pipeline0/GstTee:t.GstTeePad:src_0: caps = video/x-raw, framerate=(fraction)25/1, interlace-mode=(string)progressive, format=(string)RGB16, width=(int)720, height=(int)480 /GstPipeline:pipeline0/GstQueue:queue0.GstPad:src: caps = video/x-raw, framerate=(fraction)25/1, interlace-mode=(string)progressive, format=(string)RGB16, width=(int)720, height=(int)480 /GstPipeline:pipeline0/GstFBDEVSink:fbdevsink0.GstPad:sink: caps = video/x-raw, framerate=(fraction)25/1, interlace-mode=(string)progressive, format=(string)RGB16, width=(int)720, height=(int)480 /GstPipeline:pipeline0/GstQueue:queue0.GstPad:sink: caps = video/x-raw, framerate=(fraction)25/1, interlace-mode=(string)progressive, format=(string)RGB16, width=(int)720, height=(int)480 /GstPipeline:pipeline0/GstTee:t.GstTeePad:src_1: caps = video/x-raw, framerate=(fraction)25/1, interlace-mode=(string)progressive, format=(string)RGB16, width=(int)720, height=(int)480 /GstPipeline:pipeline0/GstQueue:queue1.GstPad:src: caps = video/x-raw, framerate=(fraction)25/1, interlace-mode=(string)progressive, format=(string)RGB16, width=(int)720, height=(int)480 /GstPipeline:pipeline0/GstQueue:queue1.GstPad:sink: caps = video/x-raw, framerate=(fraction)25/1, interlace-mode=(string)progressive, format=(string)RGB16, width=(int)720, height=(int)480 /GstPipeline:pipeline0/GstTee:t.GstPad:sink: caps = video/x-raw, framerate=(fraction)25/1, interlace-mode=(string)progressive, format=(string)RGB16, width=(int)720, height=(int)480 /GstPipeline:pipeline0/v4l2video6convert:v4l2video6convert0.GstPad:sink: caps = video/x-raw, format=(string)YUY2, width=(int)720, height=(int)480, framerate=(fraction)25/1, interlace-mode=(string)progressive, colorimetry=(string)bt709 ^Chandling interrupt. Interrupt: Stopping pipeline ... Execution ended after 0:00:22.133131499 Setting pipeline to PAUSED ... Setting pipeline to READY ... Setting pipeline to NULL ... Freeing pipeline ... root@bionic-ventana:~# ls -lart video_capture/ total 58072 -rw-r--r-- 1 root root 7744388 Jun 16 16:43 2020_06_16_16_43_PM.mp4 -rw-r--r-- 1 root root 0 Jun 16 21:01 2020_06_16_21_01_PM.mp4 drwxr-xr-x 2 root root 4096 Jun 16 21:01 . Any ideas? I have other tests I’ve done and can discuss more but none of it was very conclusive so I’m looking for inspiration! Thanks, Chris |
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