GigE write_memory error for BayerGR8 frames

Using Aravis
1

Hello @Emmanuel,

I am trying to read BayerGR8 frames from a GigE camera. Below is the pipeline I tried:

gst-launch-1.0 aravissrc ! video/x-bayer,format=grbg,width=1280,height=720 ! bayer2rgb ! video/x-raw,format=RGBx ! videoconvert ! video/x-raw,format = YUY2 ! queue ! v4l2sink device=/dev/video0

I get the following error:
ERROR: from element /GstPipeline:pipeline0/GstAravis:aravis0: Could not set caps on camera “”: GigEVision write_memory error (invalid-parameter)

When I try ‘arv-camera-test-0.8 --debug all:3’, I get the following error message:
** (arv-camera-test-0.8:8878): CRITICAL **: 18:56:07.161: arv_gc_integer_get_value: assertion ‘error==NULL || *error == NULL’ failed
gv packet size = 0 bytes
Can’t create stream thread: GigEVision write_memory error (invalid-parameter)

  1. Can I get some help to retrieve the BayerGR8 frames?
  2. Is there a way for aravissrc to read YCbCr709_422_8_CbYCrY frames?

Thank you!

2

Hi,

Are you able to view the video stream using arv-viewer ?

Did you try to power cycle you camera ?

3

Thank you for your reply!

My camera outputs 4 possible formats: Mono8, BayerGR8, YCbCr709_411_8_CbYYCrYY and YCbCr709_422_8_CbYCrY.

Using arv-viewer, the first 2 formats are selectable from the drop-down, but I get a white screen when I hit the play button. The last 2 formats are greyed out and cannot be selected. Does this mean that the camera is not supported by aravis?

Power cycling the camera does not help.

4

There is an issue while receiving the frames. Could you attach the output of arv-camera-test-0.8 -d all --duration 1 please ?

5

Below is the output:

Looking for the first available camera
[18:53:01.940] 🅸 interface> Found 0 USB3Vision device (among 6 USB devices)
[18:53:01.941] 🅸 interface> [GvDiscoverSocket::new] Add interface 127.0.0.1 (127.0.0.1)
[18:53:01.942] 🅸 interface> [GvDiscoverSocket::new] Add interface 192.168.5.99 (192.168.5.255)
[18:53:01.952] 🅸 interface> [GvInterface::discovery] Device ‘Pleora Technologies Inc.-iPORT-SB-GigE-PT01-SN4IP01-128x-XX:XX:XX:XX:XX:XX’ found (interface 192.168.5.99) user_id ‘’ - MAC ‘XX:XX:XX:XX:XX:XX’
[18:53:01.953] 🅸 device> [GvDevice::new] Interface address = 192.168.5.99
[18:53:01.953] 🅸 device> [GvDevice::new] Device address = 192.168.5.31
[18:53:01.962] 🅸 device> [GvDevice::load_genicam] xml url = ‘Local:iport_sb_gige_pt01_sn4ip01_128xg_1_0_0_01246F9B.zip;3fff8000;e68d’ at 0x200
[18:53:01.962] 🅸 device> [GvDevice::load_genicam] Xml address = 0x3fff8000 - size = 0xe68d - iport_sb_gige_pt01_sn4ip01_128xg_1_0_0_01246F9B.zip
[18:53:03.223] 🅸 device> [GvDevice::load_genicam] Zipped xml data
[18:53:03.526] 🅸 genicam> [Gc::set_default_node_data] Add ‘GevSCPAddrCalc’
[18:53:03.551] 🅸 device> [GvDevice::new] Device endianness = big
[18:53:03.551] 🅸 device> [GvDevice::new] Packet resend = yes
[18:53:03.551] 🅸 device> [GvDevice::new] Write memory = yes
[18:53:03.551] 🅸 device> [GvDevice::new] Legacy endianness handling = no
vendor name = Pleora Technologies Inc.
model name = iPORT-SB-GigE-PT01-SN4IP01-128x
device serial number =
image width = 1280
image height = 720
exposure = 0.04 µs
gain = 0 dB
payload = 921600 bytes
gv n_stream channels = 1
gv current channel = 0
gv packet delay = 0 ns
[18:53:03.711] 🅸 device> [GvDevice::create_stream] Number of stream channels = 1
[18:53:03.931] 🅸 device> [GvDevice::auto_packet_size] Try packet size = 1476
[18:53:04.111] 🅸 device> [GvDevice::auto_packet_size] Try packet size = 55
[18:53:04.161] 🅸 device> [GvDevice::auto_packet_size] Packet size set to 1476 bytes

** (arv-camera-test-0.8:9422): CRITICAL **: 18:53:04.181: arv_gc_integer_get_value: assertion ‘error == NULL || *error == NULL’ failed
gv packet size = 0 bytes
Can’t create stream thread: GigEVision write_memory error (invalid-parameter)

6

May be another occurrence of the Genicam legacy mode: Problems Using Pleora iPORT CL-GigE · Issue #179 · AravisProject/aravis · GitHub ?

7

I read the thread and tried to change _use_legacy_endianness_mechanism function (in aravis/src/arvgcport.c) to always return true. However, I still cannot view the stream in arv-viewer-0.8, and get the same error for arv-camera-test-0.8.

I also found that GevSupportedOptionSelector=SingleLink and GevSupportedOption=true. When I tried to change GevSupportedOptionSelector=WriteMem, it changes momentarily before defaulting back to SingleLink.

Please advise.