Emmanuel Pacaud

> Aravis 0.9.0 Please use the latest stable release. Please test your device using `arv-camera-test-0.8` with software trigger enabled and `-d all`, and report the console output here.

**arv-camera-test-0.8**

You have an issue with the software trigger, so you have to enable the software trigger input and generate a software trigger. This is configured using --trigger and --software-trigger options.

``` img = self._converter(buffer) if img is None: raise CameraError("Camera capture failed") ``` `Capture failed` is raised when the call to `converter()` return a `None`. I don't know what `converter()`...

Thanks. At some point in the log, the payload size returned in the image trailer packet changes from 4665600 to 187396. Do you change some features between 2 call to...

> exposure, gain and gamma Is this an exhaustive list ? Any feature that may modify the payload size ?

You should also stop the acquisition thread when you want to set the region, otherwise there will still be buffer with the wrong size in the queues. Please have a...