Bug#1108416: zbarcam: Invalid argument in zbar_processor_init()

[Jochen Sprickerhof <jspricke@debian.org>]

Control: severity -1 important

* Kim Alvefur <zash@zash.se> [2025-07-03 14:56]:
> On Mon, Jun 30, 2025 at 08:13:31PM +0200, Jochen Sprickerhof wrote:
> > I tried to reproduce your bug but for me zbarcam works without 
> > problem. Can you give some more information about the camera you 
> > used?
>
> It's one of the built-in cameras on a TravelMate Spin B311R-31
>
> $ sudo lshw
> (snip)
> 	*-usb:0
> 			 description: Video
> 			 product: 5MP World Facing
> 			 vendor: Chicony Electronics Co.,Ltd.
> 			 physical id: 2
> 			 bus info: usb@1:2
> 			 version: 62.27
> 			 serial: 0001
> 			 capabilities: usb-2.01
> 			 configuration: driver=uvcvideo maxpower=500mA speed=480Mbit/s
> 	*-usb:1
> 			 description: Video
> 			 product: HD User Facing
> 			 vendor: SunplusIT Inc
> 			 physical id: 7
> 			 bus info: usb@1:7
> 			 version: 0.04
> 			 capabilities: usb-2.01
> 			 configuration: driver=uvcvideo maxpower=500mA speed=480Mbit/s
> (snip)
>
> Anything other information that may be relevant?

Interesting, can you try with the other camera? Probably 

zbarcam /dev/video1

> I imagine this could also be something in the kernel rather than in zbar-tools
> but I haven't looked into that yet.

you can try:

mpv av://v4l2:/dev/video0

to test.

Cheers Jochen

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