Silvercrest Usb 2.0 Video Grabber Svg 2.0 A1 Driver
A small USB Video signal analog to digital converter distributed from the German discounter chain 'Lidl'. Vendor: TARGA GmbH, Lange Wende 41, D-59494 Soest. Artikel Nr.: 73763. SVG 2.0 A2. TARGA-Nr.1743993. GTIN (former EAN) is 4250133706645. This device has no TV nor Radio receivers.
When Installing Programs Or Drivers Important Files Can Be Overwritten And Altered. SilverCrest USB 2.0 Video Grabber SVG 2.0 A1. Setup for first.
It is also sold as 'LogiLink USB2.0 Video Grabber with Snap Shot' - Model VG0005B v.1.0 - GTIN(EAN) is 4052792002102.
Whether it works under Linux, is still part of analysis.see below for a patch
Take note: this is a new batch being sold by Lidl late 2012 called SilverCrest USB 2.0 Video Grabber SVG 2.0 A2 and looks exactly similar as the SilverCrest USB 2.0 Video Grabber VG 2000 and has the same packaging, but uses a different chipset (Conexant CX23103-11Z), identified as ID 1d19:6109 by Dexatek Technology Ltd.
- 1Overview/Features
- 2Making it Work
Overview/Features
Features of the SilverCrest USB-Video-Grabber SVG 2.0 A2:
- Digitalization of analogue video signals as VHS, Video8, Hi8 etc.
- Connects devices e.g. Camcorder, Video-Recorder and other analogue Video sources with Notebook or Personal Computer.
- Fast and easy to use for simple transmission to digital storage units.
- Interface: USB 2.0
- Input rating: 5 V DC, 300 mA
- Video inputs: Composite and S-Video
- Audio inputs: 2 x Cinch (Stereo)
- Video resolution: PAL / SECAM: 720 x 576 @ 25 FPS; NTSC: 720 x 480 @ 30 FPS
- Snapshot push-buttom
Components Used
- Conexant CX23103-11Z USB Audio/Video Decoder Including USB Interface
Other Images
Backside of the device and the audio-/video- connectors plugged in to the mini USB socket.
type plate of the unit
device with plugged-in connectors
Identification
Making it Work
Expecting Conexant CX2310x to work, but this is still under investigation.
Firmware
The unit does not use an loadable firmware.
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Drivers
See Conexant CX2310x.
Patch to get the cx231xx driver working
In the file, depending on the kernel version, drivers/media/video/cx231xx/cx231xx-cards.c or drivers/media/usb/cx231xx/cx231xx-cards.c go to struct usb_device_id cx231xx_id_table[] and add these two lines e.g. at the beginning of the definition:
Here is a proof that it is working.
Test System
The device is connected to a multicore AMD A6-3500 system.
Kernel Output
The Kernel loads the newly provided drivers
However, seeing this does not mean that the device is fully initialised.
Such lines must also be present:
Only then is the device fully functional.
Kernel Modules
To get the difference the lsmod was logged before and after plugging in the device, then the 'diff' command creates the output.
Remote Control Support
There is no remote control.
Snapshot Control Support
The housing is equipped with an push bottom to initiate a video snapshot. Operating of this shows no effect in VLC application nor /var/log/messages.
Verifying full functionality
These devices must be created by the driver in order for this device to work successfully:
- Cx231xx Audio Analog Stereo- used for audio input
- cx231xx #0 vbi- used by v4l
- cx231xx #0 video- used by v4l
The cx231xx driver, when properly patched and compiled, works obviously also with this hardware.
The absence of this devices means that the full functionality is not available.
Capturing video and audio works on linux (at least tested with Ubuntu 12.04. and with kernel 3.5.0.45 with applied above patch. Skype video and Audacity audio capture worked, when tested. Hence, it would safely work with later kernels, if the patch would be preconfigured. The cx231xx driver states in the source comments, that itself is copyright 2008, so some older kernels work probably as well, if the module is patched and compiled properly).
External Links
- [1] Manufacturer of CX23103 chip
- [2] Vendor
- [3] Distributor