# Uncategorized **URL:** https://aravis-project.discourse.group/c/uncategorized/1.md [Latest](https://aravis-project.discourse.group/latest.md) · [Categories](https://aravis-project.discourse.group/categories.md) --- ## [Aravis for a PCIe camera?](https://aravis-project.discourse.group/t/aravis-for-a-pcie-camera/982)
**Author:** [@Jan](https://aravis-project.discourse.group/u/Jan)\ **Replies:** 0\ **Last updated:** [September 29, 2026, 4:54pm UTC](https://aravis-project.discourse.group/t/aravis-for-a-pcie-camera/982 "2026-09-29T16:54:59Z")
Hi, I have a GenICam compliant camera here, which I’m meant to develop a driver for to make it working in our software stack. In the past I already did this for GigE cameras, using their manufacturers APIs. Now that I b… --- ## [Arv-viewer doesn't work correctly on Win10,11](https://aravis-project.discourse.group/t/arv-viewer-doesnt-work-correctly-on-win10-11/732)
**Author:** [@anpbelousov](https://aravis-project.discourse.group/u/anpbelousov)\ **Replies:** 7\ **Last updated:** [October 24, 2025, 12:15pm UTC](https://aravis-project.discourse.group/t/arv-viewer-doesnt-work-correctly-on-win10-11/732 "2025-10-24T12:15:18Z")
Hello, Aravis Team. I have a strange issue: Systems: Windows 10, 11; msys2-x86\_64-20240113.exe $ pacman -S mingw-w64-x86\_64-aravis-gst C:\\msys64\\mingw64\\bin\\arv-viewer-0.8.exe The application starts, find a fake came… --- ## [Aravissrc for gstreamer](https://aravis-project.discourse.group/t/aravissrc-for-gstreamer/952)
**Author:** [@Abdelmonaem](https://aravis-project.discourse.group/u/Abdelmonaem)\ **Replies:** 0\ **Last updated:** [October 13, 2025, 1:19pm UTC](https://aravis-project.discourse.group/t/aravissrc-for-gstreamer/952 "2025-10-13T13:19:02Z")
Hi @Emmanuel , I’m using the Aravis tool to test GigE Vision communication at 10Gbps between two ARMv8 targets running Debian 12. On the emitter target, I have installed the Aravis tool and launched the arv-fake-camera… --- ## [GigEVision write\_memory error](https://aravis-project.discourse.group/t/gigevision-write-memory-error/931)
**Author:** [@kuan-yu.chen](https://aravis-project.discourse.group/u/kuan-yu.chen)\ **Replies:** 5\ **Last updated:** [July 29, 2025, 7:45am UTC](https://aravis-project.discourse.group/t/gigevision-write-memory-error/931 "2025-07-29T07:45:08Z")
Hi, I encountered an error failed to set double feature value ExposureTime to 130000, error: \[ExposureTime\] \[ExposureTimeValConv\] \[ExposureTimeRawReg\] GigEVision write\_memory error (access-denied) and would like to kn… --- ## [Is\_locked inconsistent between FLIR and Allied Vision with Aravis](https://aravis-project.discourse.group/t/is-locked-inconsistent-between-flir-and-allied-vision-with-aravis/927)
**Author:** [@\_csgeek](https://aravis-project.discourse.group/u/_csgeek)\ **Replies:** 1\ **Last updated:** [June 16, 2025, 1:35pm UTC](https://aravis-project.discourse.group/t/is-locked-inconsistent-between-flir-and-allied-vision-with-aravis/927 "2025-06-16T13:35:11Z")
Hello, I’m currently developing a camera application using Aravis and I noticed some inconsistent behavior related to the is\_locked parameter in ArvGcFeatureNode between FLIR and Allied Vision cameras. When I connect t… --- ## [Creating a fake stream with a specific video pattern produced with opencv](https://aravis-project.discourse.group/t/creating-a-fake-stream-with-a-specific-video-pattern-produced-with-opencv/825)
**Author:** [@Karim\_Dhrif](https://aravis-project.discourse.group/u/Karim_Dhrif)\ **Replies:** 3\ **Last updated:** [May 7, 2025, 8:23pm UTC](https://aravis-project.discourse.group/t/creating-a-fake-stream-with-a-specific-video-pattern-produced-with-opencv/825 "2025-05-07T20:23:42Z")
I’m trying to build a fake camera source with my own specific pattern using opencv. However the camera starts but seems to never get picked up by the arvtools/arvviewer. Here’s my code: #include \ #include \ **Author:** [@horchler](https://aravis-project.discourse.group/u/horchler)\ **Replies:** 5\ **Last updated:** [March 17, 2025, 1:21pm UTC](https://aravis-project.discourse.group/t/determine-from-camera-if-acquisition-has-started/860 "2025-03-17T13:21:07Z") Is there a way to determine from a connected camera if it is currently acquiring after a call to arv\_camera\_start\_acquisition has been made? Apparently one can call arv\_camera\_start\_acquisition multiple times with no iss… --- ## [Convert buffer to jpeg](https://aravis-project.discourse.group/t/convert-buffer-to-jpeg/838)
**Author:** [@delarosa](https://aravis-project.discourse.group/u/delarosa)\ **Replies:** 3\ **Last updated:** [March 17, 2025, 12:09pm UTC](https://aravis-project.discourse.group/t/convert-buffer-to-jpeg/838 "2025-03-17T12:09:34Z")
I am trying to convert a buffer to JPEG in memory, and would like to implement something similar to the Pylon function PylonImageFormatConverterConvert This function takes the buffer and pixel format as inputs and then … --- ## [Aravis with python on Windows built with MSVC](https://aravis-project.discourse.group/t/aravis-with-python-on-windows-built-with-msvc/841)
**Author:** [@saiprasad](https://aravis-project.discourse.group/u/saiprasad)\ **Replies:** 1\ **Last updated:** [December 12, 2024, 10:42am UTC](https://aravis-project.discourse.group/t/aravis-with-python-on-windows-built-with-msvc/841 "2024-12-12T10:42:17Z")
I’ve tried building Aravis on Windows using MSVC (As MSYS2 is not and option due to version incompatibality). It works as a c project and I am able to run arv-tool and even detect cameras, but I am not able to use it in … --- ## [How to manage two cameras connected to different network interfaces, with link-local IP](https://aravis-project.discourse.group/t/how-to-manage-two-cameras-connected-to-different-network-interfaces-with-link-local-ip/809)
**Author:** [@zjeffer](https://aravis-project.discourse.group/u/zjeffer)\ **Replies:** 5\ **Last updated:** [November 4, 2024, 8:44am UTC](https://aravis-project.discourse.group/t/how-to-manage-two-cameras-connected-to-different-network-interfaces-with-link-local-ip/809 "2024-11-04T08:44:13Z")
I have a PCIe ethernet card with two gigabit ports. Each port has a GigECamera connected in link-local mode. I gave each interface its own 169.254.x.x/16 IP address: 4: enp138s0f0: \ mt… --- ## [Ack reception timeouts when trying to connect camera](https://aravis-project.discourse.group/t/ack-reception-timeouts-when-trying-to-connect-camera/808)
**Author:** [@zjeffer](https://aravis-project.discourse.group/u/zjeffer)\ **Replies:** 1\ **Last updated:** [September 10, 2024, 9:53am UTC](https://aravis-project.discourse.group/t/ack-reception-timeouts-when-trying-to-connect-camera/808 "2024-09-10T09:53:19Z")
I have a Basler a2A2590-22gmBAS that I’m trying to set up with aravis in link-local mode. If I don’t set up a DHCP server on my system, it falls back to link-local, which is expected. However, when I stop my DHCP serve… --- ## [How to handle disconnects?](https://aravis-project.discourse.group/t/how-to-handle-disconnects/804)
**Author:** [@Dimfred](https://aravis-project.discourse.group/u/Dimfred)\ **Replies:** 2\ **Last updated:** [August 30, 2024, 8:58am UTC](https://aravis-project.discourse.group/t/how-to-handle-disconnects/804 "2024-08-30T08:58:30Z")
Hi, I am currently trying to understand how I can catch disconnections. I see that once a stream is opened (udp), that probably some heartbeat is send to my camera. I would like to do something if this heartbeat fails… --- ## [Temporarily using different acquisition stream of camera](https://aravis-project.discourse.group/t/temporarily-using-different-acquisition-stream-of-camera/772)
**Author:** [@eudoxos](https://aravis-project.discourse.group/u/eudoxos)\ **Replies:** 1\ **Last updated:** [July 19, 2024, 8:22am UTC](https://aravis-project.discourse.group/t/temporarily-using-different-acquisition-stream-of-camera/772 "2024-07-19T08:22:44Z")
I am using a camera in continuous acquisition, but occasionally (periodically), I would like to suspend the acquisition, set different parameters (pixel format), acquire a single frame, rollback the parameters, and resum… --- ## [Aravis - Python playback fake data](https://aravis-project.discourse.group/t/aravis-python-playback-fake-data/765)
**Author:** [@alex\_neva](https://aravis-project.discourse.group/u/alex_neva)\ **Replies:** 5\ **Last updated:** [June 13, 2024, 1:24pm UTC](https://aravis-project.discourse.group/t/aravis-python-playback-fake-data/765 "2024-06-13T13:24:23Z")
Hi all! I am trying to playback a set of images(numpy.ndarray) using the Aravis fake camera interface in python and I am having trouble getting back the correct images during the camera acquisition. My images are 100 by… --- ## [Questions about IP settings for GigE cameras](https://aravis-project.discourse.group/t/questions-about-ip-settings-for-gige-cameras/752)
**Author:** [@venusspace](https://aravis-project.discourse.group/u/venusspace)\ **Replies:** 0\ **Last updated:** [May 21, 2024, 3:36am UTC](https://aravis-project.discourse.group/t/questions-about-ip-settings-for-gige-cameras/752 "2024-05-21T03:36:59Z")
Hello, Aravis team. I’ve got some questions about Gige’s camera that need to be answered. The IP address of the camera doesn’t connect to the NIC, and when I use Aravis, the camera cannot be detected. After reading othe… --- ## [Read/write to register from python](https://aravis-project.discourse.group/t/read-write-to-register-from-python/689)
**Author:** [@Hung\_The](https://aravis-project.discourse.group/u/Hung_The)\ **Replies:** 1\ **Last updated:** [December 3, 2023, 7:17am UTC](https://aravis-project.discourse.group/t/read-write-to-register-from-python/689 "2023-12-03T07:17:38Z")
Hi All, I am new to Aravis so please help guide me. Thanks in advance. I want to read/write to register from python. I have build and installed Aravis-0.8 and can use Aravis module from python to access camera info. I … --- ## [Installation 32 bit mode](https://aravis-project.discourse.group/t/installation-32-bit-mode/663)
**Author:** [@gigefern](https://aravis-project.discourse.group/u/gigefern)\ **Replies:** 0\ **Last updated:** [September 12, 2023, 11:42pm UTC](https://aravis-project.discourse.group/t/installation-32-bit-mode/663 "2023-09-12T23:42:17Z")
I would like to install 0.8.29 in 32 bit mode. Does 0.8.29 supports 32 bit mode? Has anyone succeeded installing 32 bit mode? Appreciate your feedback. --- ## [Viewer - assembling an image](https://aravis-project.discourse.group/t/viewer-assembling-an-image/623)
**Author:** [@david\_stroupe](https://aravis-project.discourse.group/u/david_stroupe)\ **Replies:** 1\ **Last updated:** [May 28, 2023, 5:22am UTC](https://aravis-project.discourse.group/t/viewer-assembling-an-image/623 "2023-05-28T05:22:59Z")
Where in the viewer code is the image received over the network and reassembled into the buffer --- ## [Slow fps when I increase the roi](https://aravis-project.discourse.group/t/slow-fps-when-i-increase-the-roi/608)
**Author:** [@Hannes](https://aravis-project.discourse.group/u/Hannes)\ **Replies:** 2\ **Last updated:** [March 30, 2023, 7:21am UTC](https://aravis-project.discourse.group/t/slow-fps-when-i-increase-the-roi/608 "2023-03-30T07:21:37Z")
Whenever I try to increase the roi my framerate drops. It works with the cameras sdk so I think the problem has something to do with my code. #include \ #include \ #include \ #include \ #… --- ## [Higher packet loss](https://aravis-project.discourse.group/t/higher-packet-loss/591)
**Author:** [@Jeevan](https://aravis-project.discourse.group/u/Jeevan)\ **Replies:** 11\ **Last updated:** [March 15, 2023, 6:46am UTC](https://aravis-project.discourse.group/t/higher-packet-loss/591 "2023-03-15T06:46:48Z")
Hello there, I have a SBC based on iMX6S. Onto which I connected the Lucid Vision Tritron 5Mp color camera. I wanted to get the video from the sensor and then to output it to the LCD without any delay. So for this, I us… --- ## [Installation issue with Ubuntu](https://aravis-project.discourse.group/t/installation-issue-with-ubuntu/528)
**Author:** [@Embedded\_Systems\_Eng](https://aravis-project.discourse.group/u/Embedded_Systems_Eng)\ **Replies:** 1\ **Last updated:** [November 8, 2022, 9:03pm UTC](https://aravis-project.discourse.group/t/installation-issue-with-ubuntu/528 "2022-11-08T21:03:40Z")
Hello, We have 2 cameras and we want to use aravis to develop our payload software using aravis. We have issues with the installation process. We are using this tutorial for installation but in the last step when we wa… --- ## [Halting triggered acquisition](https://aravis-project.discourse.group/t/halting-triggered-acquisition/488)
**Author:** [@marcov](https://aravis-project.discourse.group/u/marcov)\ **Replies:** 3\ **Last updated:** [July 21, 2022, 8:09am UTC](https://aravis-project.discourse.group/t/halting-triggered-acquisition/488 "2022-07-21T08:09:21Z")
I’ve been working on getting a vision framework running with aravis as camera interface, and noticed a few issues/peculiarities. On first glance the “multi” example (aravis-c-examples/02-multiple-acquisition.c at main ·… --- ## [Problem with aravis and Eclipse C indexer](https://aravis-project.discourse.group/t/problem-with-aravis-and-eclipse-c-indexer/469)
**Author:** [@hc3d\_edg5000](https://aravis-project.discourse.group/u/hc3d_edg5000)\ **Replies:** 0\ **Last updated:** [June 19, 2022, 1:56pm UTC](https://aravis-project.discourse.group/t/problem-with-aravis-and-eclipse-c-indexer/469 "2022-06-19T13:56:25Z")
I always use Eclipse when working with C/C++. With CMake, I am able to compile a sample project with Aravis. CMake uses pkg-config and can resolve the aravis dependency. Aravis is installed by running meson build. The … --- ## [Installing and Using Aravis in Windows](https://aravis-project.discourse.group/t/installing-and-using-aravis-in-windows/420)
**Author:** [@adt47](https://aravis-project.discourse.group/u/adt47)\ **Replies:** 6\ **Last updated:** [April 13, 2022, 2:41pm UTC](https://aravis-project.discourse.group/t/installing-and-using-aravis-in-windows/420 "2022-04-13T14:41:04Z")
I am trying to get Aravis working in Windows, but so far I a have had no luck. Can anyone help with the following: Configuring Visual Studio to use Aravis. Specifically, on my property pages what should be included in … --- ## [How to get camera raw data with aravis](https://aravis-project.discourse.group/t/how-to-get-camera-raw-data-with-aravis/390)
**Author:** [@1021748709](https://aravis-project.discourse.group/u/1021748709)\ **Replies:** 1\ **Last updated:** [February 24, 2022, 9:27am UTC](https://aravis-project.discourse.group/t/how-to-get-camera-raw-data-with-aravis/390 "2022-02-24T09:27:58Z")
I want to get canera raw data with aravis.Can anyone help me? --- ## [Multiple read/write of registers in same udp package possible?](https://aravis-project.discourse.group/t/multiple-read-write-of-registers-in-same-udp-package-possible/376)
**Author:** [@Tobias\_Lindblom](https://aravis-project.discourse.group/u/Tobias_Lindblom)\ **Replies:** 5\ **Last updated:** [February 16, 2022, 2:48pm UTC](https://aravis-project.discourse.group/t/multiple-read-write-of-registers-in-same-udp-package-possible/376 "2022-02-16T14:48:32Z")
Listening to my cam\<-\>proprietary software communication. Some GVCP packages have multiple read/write (0x080/0x082) adresses/values in them. Is there support (or planned) in aravis for this? example of UDP payload (1 … --- ## [\ calculations, nonstandard?](https://aravis-project.discourse.group/t/formula-calculations-nonstandard/357)
**Author:** [@Tobias\_Lindblom](https://aravis-project.discourse.group/u/Tobias_Lindblom)\ **Replies:** 4\ **Last updated:** [February 1, 2022, 12:41pm UTC](https://aravis-project.discourse.group/t/formula-calculations-nonstandard/357 "2022-02-01T12:41:10Z")
In the genicam xml code for my camera (FLIR SC7600 infrared cam) there are several calculations for device registers but I do not understand the mathematical expression within the formula tags example: \(SEL = … --- ## [Can Basler acA1920-25gc (Ethernet Camera) works with ARIVAS?](https://aravis-project.discourse.group/t/can-basler-aca1920-25gc-ethernet-camera-works-with-arivas/277)
**Author:** [@Jimmy\_Qin](https://aravis-project.discourse.group/u/Jimmy_Qin)\ **Replies:** 0\ **Last updated:** [June 2, 2021, 6:11pm UTC](https://aravis-project.discourse.group/t/can-basler-aca1920-25gc-ethernet-camera-works-with-arivas/277 "2021-06-02T18:11:55Z")
Hi, I just got that camera and installed the aravis-0.8.9. But when I run the arv-viewer-0.8 (after meson installation. I can not find my camera in the viewer. Can you please help on this? Also is ARAVIS supported on … --- ## [How to compile dynamic library](https://aravis-project.discourse.group/t/how-to-compile-dynamic-library/127)
**Author:** [@Mobai37](https://aravis-project.discourse.group/u/Mobai37)\ **Replies:** 0\ **Last updated:** [July 23, 2020, 8:53am UTC](https://aravis-project.discourse.group/t/how-to-compile-dynamic-library/127 "2020-07-23T08:53:02Z")
Hi,I am tring to write my test program with aravis,but I cannot find .so file. --- ## [Error: XML::Parser perl module is required for intltool](https://aravis-project.discourse.group/t/error-xml-parser-perl-module-is-required-for-intltool/76)
**Author:** [@fjp](https://aravis-project.discourse.group/u/fjp)\ **Replies:** 1\ **Last updated:** [April 6, 2020, 8:45am UTC](https://aravis-project.discourse.group/t/error-xml-parser-perl-module-is-required-for-intltool/76 "2020-04-06T08:45:44Z")
When I try the installation steps on macOS Catalina 10.15.2 I get the following: aravis-0.6.4 ./configure checking for a BSD-compatible install... /usr/local/bin/ginstall -c checking whether build environment is sane..… [Next page](https://aravis-project.discourse.group/c/uncategorized/1.md?page=1)