A device called EZgrabber2 which appears to be produced Mygica and Geniatech. OTG102 possibly stands for One Touch Grabber CX23102 ('One Touch Grabber' being a name previously used by Mygica/Geniatech for a device based on EM2860).
- Otg102 Driver Download
- Diamond Vc500 Software Download
- Free Audio Driver Updates For Windows 10
- Diamond Vc500 Windows 10 Driver
Finally, a solution that works for connecting FireWire (IEEE1394) devices to a Windows 10 machine. Windows 10 Firewire Card: Other wo. Humidity:10 to 85% Certification CE/FCC Product Features. USB2.0 PnP Interface,USB video/audio transfer. Automatic NTSC/PAL detection. Push to Start/Push to Stop button. Capture the video directly into MPEG1/2/4 Format. Capture video Source from VHS,V8,Hi8 etc. Support Still Image Capture in JPEG or BMP format.
- 4Making it Work
- 5Usage
- 6Notes About the Windows Drivers
- 7Other notes
Overview/Features
The EZGrabber2 device shares the Windows drivers for the similar devices Capit and EZGrabber, so likely much of the information will be in common with those. Please clarify if you have any of these products:
Device | Product url(s) | USB ID | Chipset |
---|---|---|---|
EZGrabber2 | Mygica and Geniatech | 1f4d:0102 0572:58a3 (not verified, see below) | CX78921-11z, compatible with cx231xx Linux framework |
EZGrabber | My Gica EZGrabber | ? | ? |
Capit | ? | ? | |
August VGB100 | August International | 1f4d:0102 | ? |
Supposedly supports output of compressed MPEG-1/2/4 streams (on Windows). On Linux, using a patched cx231xx driver, it is at least possible to get uncompressed YUV4:2:2 video and 48000Hz stereo through the corresponding alsa device.
It has the standard USB 2.0 interface with stereo, composite video and S-Video inputs.
Components Used
The single chip on the board is labeled as CX78921-11z. There is no reference to this chip on Conexant's website nor practically the entire internet, so likely this is just a renumbered chip for these specific vendors. However the indication that it can output compressed MPEG-4 video does suggest that it is not a standard cx23100/1/2. Cold waters weapons guide.
However examining the Windows drivers provided by the vendors, they refer to the device Polaris.CVBS or POLARIS.OTG102, and contain many of the same driver files as other devices containing the cx23100/1/2 chips .
Images
Front side of board | Back side of board | Front: Mygica EZGrabber2 (top) & Diamond VC500 | Back: Mygica EZGrabber2 (top) & Diamond VC500 |
Making it Work
A patch for this device has been accepted into to the 3.10 kernel. So it should be supported in kernel 3.10 and later.
For earlier kernels, we need to add the device definition and some related details to the cx231xx driver and have installed the appropriate firmware (see below). Once the module is built and installed, the cx231xx module should autoload on detecting the device. If not, it can be manually loaded (#modprobe cx231xx).
When/if the hardware encoding is ever functioning, the cx25840 module seems to be also needed, however it wouldn't autoload in my experimentation. Thus load the kernel modules for cx25840 and cx231xx before plugging in the device (#modprobe cx25840;modprobe cx231xx). If I don't do this, the cx231xx module will autoload on detecting the device, but the cx25840 module will not autoload, and the device doesn't function at all. Doing this and using the below patch but with the .had_417=1 uncommented, two video device nodes are created, /dev/video0 and /dev/video1. video0 would be for compressed video, but nothing comes out of it. video1 becomes the uncompressed video output. Without the .has_417=1 defined in the driver, only /dev/video0 is created and is the uncompressed video.
The following is a patch against a kernel source 3.6. It should be fairly applicable to sources from 2.6.32 on through 3.7, with the possible note of the device number in cx2311.h. Note that in 3.8 and presumably onwards, the structure of the drivers/media/ directory has been changed and no longer is there a drivers/media/video directory, but rather the video drivers are regrouped by interface (usb, pci), so the cx231xx drivers are under drivers/media/usb/cx231xx while the related and also needed driver for the cx25840 is under drivers/media/pci/.
There has also been a lot of recent (early 2013) patches submitted to patchwork.kernel.org/project/linux-media that require some subsequent modifications for a 3.8 or 3.9 based kernel.
Kernel Patch
Firmware
Like for many similar devices of various chipsets, a firmware image or images are required that the driver uploads to the device. These are often closed source binary blobs under unclear license as far as their redistributeability. To further complicate matters, there are various versions of these firmwares with the same name that are not (always) cross-compatible. To complicate matters even further, there is apparently a mix-up one of the firmware files distrusted though linuxtv.org and linux-firmware.git. See [1] and especially [2] for more information.
I have these in my /lib/firmware folder. These came from [3]. The Geniatech driver also contains a firmware image called cx416enc.rom which is very similar to the v4l-cx23885-enc.fw file (which is a renamed hcw85enc.rom from the HVR1800 driver).
Usage
Live Viewing
- mplayer tv:// -tv driver=v4l2:device=/dev/video0:normid=0:alsa:adevice=hw.1:forceaudio:volume=80
- mplayer tv:// -tv driver=v4l2:device=/dev/video0:norm=NTSC:alsa:adevice=hw.1:forceaudio:volume=80:immediatemode=0:width=720
Encoding
- with mencoder, x264 video, mp3 audio, mp4 container (eg for computer viewing)
- mencoder tv:// -tv driver=v4l2:device=/dev/video0:norm=NTSC:alsa:adevice=hw.1:forceaudio:volume=80:immediatemode=0 -oac lavc -lavcopts acodec=libmp3lame:abitrate=192 -srate 48000 -ovc x264 -x264encopts global_header:nr=200:threads=auto:frameref=4:subq=4:8x8dct:crf=25:trellis=1:keyint=1000:keyint_min=10:bframes=16:b-adapt=1:b_pyramid=normal -of lavf -lavfopts format=mp4 -o test.mp4
- with mencoder, mpeg2 video, ac3audio, mpeg2 container (eg for dvd transfer)
- mencoder tv:// -tv driver=v4l2:device=/dev/video0:norm=NTSC:alsa:adevice=hw.1:forceaudio:volume=80:immediatemode=0:width=640 -of mpeg -mpegopts format=dvd:vaspect=4/3:vframerate=30 -ofps 30000/1001 -ovc lavc -oac lavc -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:keyint=18:vbitrate=9000:vrc_maxrate=9800:acodec=ac3:abitrate=192:aspect=4/3 -o test.mpg
- some possibly useful video filters see mplayer man page for more
- -vf crop=w:h:x:y,scale=-2:480,expand=704:480
- crop video to specified width:height at position x:y, to remove fuzzy edges or unwanted parts of image, then scale to SD height of 480 and expand to SD 4/3 width of 704 (puts black bars on side of image, but maybe helpful for DVD player compatibility)
- -vf pp=ci,hqdn3d
- deinterlace with cubic interpolation, apply high quality denoise3d
- -vf crop=w:h:x:y,scale=-2:480,expand=704:480
Problems with audio
If mplayer etc. reports that the audio device is busy 'error opening audio: Device or resource busy' and you are using pulseaudio, disable pulseaudio's control of the device, eg in pavucontrol (Pulse Audio Volume Control) under configuration, set the Cx231xx Audio device to be off. This will allow other programs to access the resource through the alsa device.
Problems with Interference
Probably not specific to this board, but as a general note: I was initially getting frequent green lines (of about 1 line thickness) that ran across the image once every 0.5 to 3 seconds. I attributed this to some interference on the video feed, however changing cables did not help. I was especially stumped once the same pattern of interference occurred on the s-video input. Then I moved the device to a rear USB port on the motherboard instead of the front which it had been placed on. That solved the problem. Apparently the cable running from the motherboard header to the front USB ports on case was the source of interference, and it was on the USB output side rather than the video input.
Notes About the Windows Drivers
An EZGrabber2 purchased from Meritline early February 2013 was the MyGica variant although the product page links to the Geniatech driver and software.
MyGica provides drivers at ezgrabber2driver.zip and otg103driver.zip (for the Capit) -- both are the exact same file.
Geniatech lists a single driver for the EzGrabber/EzGrabber2/Capit products: ezgrabber2driver.zip.
MyGica
The install .inf file from the MyGica driver is called CxPlrCap.inf and contains the following device definitions:
The driver directory contains the following files:
Geniatech
The install .inf file from the Geniatech driver is called CxCVBS.inf and contains the following device definitions:
The driver directory contains the following files:
It is also worth noting that the Geniatech ezgrabber2driver.zip file contains both Windows and Linux directories. It was due to this that I originally purchased this device hoping they had included some support for Linux, and they do provide Linux drivers for some of their other products. However, it appears to be a mistake. The only modification of drivers in the tree I can find are some alternate definitions for au0828 cards, specifically defining 05e1:0400 and 1f4d:6011 as AU0828_BOARD_HAUPPAUGE_WOODBURY.
Other notes
Diamond VC500
The version of this device sold in 2013 identifies itself to Windows as OTG102 and uses the same device ID and driver as the EZGrabber2.
A previous version from 2008 with device ID 07de:2820 apparently used a TM5600 ADC. This version shared drivers with a hybrid ATSC USB tuner called HDTV110 with device ID 07de:0001 (which was outwardly identical to Diamond's TVW750U except for the different model number silkscreened on, but completely different internally).
Diamond Multimedia makes little effort to differentiate the two VC500 versions on their website, but does separate them on their Drivers page: VER 1 (2010-05-19 driver) and VC500 CXT Version (2013-01-25 driver).
One website sells a device labelled One Touch Grabber which they claim is the OEM version of the VC500 made by the same factory. The plastic shell matches Diamond's product.
lsusb ouput
dmesg output
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Is the VC500 Supported on Windows 10? | Diamond Multimedia
As long as it looks like the image above, the device will work on windows 10 using these Drivers. If you are having issues installing to software, please see this article. *****NOTE***** A new batch of the VC500 devices do not list VC500CXT, however this newest batch have serial numbers greater than DM218xxxxxx
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On windows 10. To install the driver you will need to go into the folder named Driver. If it is 32BIT then you would open the X86 folder Once you are in the right folder you will need to make sure the VC500 is plugged into the computer and double click on the setup64 file to install the driver.
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Manual Driver installation | Diamond Multimedia
10) Once back to the windows with the list and click 'next'. Windows should then install the proper driver, and an 'OTG102' should show up in the device manager as an 'Other Device' 11) Right click on the 'OTG102' and select the 'Update Driver Software…' option from the shortcut menu.
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