I did, Jim, but it does not have a BNC connector, only composite and s-video... -- Georgios ----- Original Message ----- From: "Jim Dodgen" <Jim.Dodgen@xxxxxxxxxxxx> To: <video4linux-list@xxxxxxxxxx> Sent: Monday, October 21, 2002 4:38 PM Subject: Re: Frame grabbers with bt8x8 chipset > look at the Osprey 100 it is a pure frame grabber > > At 10:52 AM 10/21/2002, you wrote: > >Georgios Kapetanakis wrote: > > > > > > Hi all, > > > > > > I know this is getting slightly away from the core interest of the > > list, but > > > I need your help once more. I am convinced now that getting a frame grabber > > > with a bt8x8 chipset is the best way to go, as far as driver support is > > > concerned (bttv). > > > > > > I know of only two frame grabbers with this chipset: > > > - Imagenation PXC200AL > > > - Sensoray 611 > > > > > > Are there any more? Please note that I am interested in frame grabbers for > > > computer vision, not TV/Tuner cards.... > > > >But what's the difference between a computer vision grabber and a TV > >card with the channel set to the raw video input? > >Following for example is the output of a test program I wrote using the > >functions in linux/videodev.h to query the bttv driver. You can set the > >channel to 1 to receive video. I'm pretty sure that the video quality is > >mostly limited by the video format itself, and that any grabber will > >produce similar output for a given NTSC or PAL signal. The only other > >issue is progressive scan, where you grab only a part of an image, but > >there you might be better off getting a dedicated camera with image > >processing built into it. > > > > > >Hello world. Today we are going to look at the video grabber at > >/dev/video > >name of /dev/video: BT878(Hauppauge (bt878)) > >VID_TYPE_CAPTURE Can capture to memory > >VID_TYPE_TUNER Has a tuner of some form > >VID_TYPE_OVERLAY Can overlay its image onto the frame buffer > >VID_TYPE_CLIPPING Overlay clipping is supported > >VID_TYPE_FRAMERAM Overlay overwrites frame buffer memory > >VID_TYPE_SCALES The hardware supports image scaling > >Type 0xEB > >4 channels > >1 audio device > >Max width: 768 Max height: 480 > >Min width: 48 Min height: 32 > >Video frame buffer base 0xe8000000 > >height 768 width 1024 > >depth 16 > >bytes per line 2048 > > > >* * * Channel 0: Television > >has 1 tuner > >Flags: 0x3: has tuner; has audio > >Type: 0x1: TV; not camera > >Norm: 0x1: NTSC > >brightness 0x7FFF > >hue 0x7FFF > >colour 0x7D70 > >contrast 0x6B84 > >whiteness 0x0 > >depth 0x10 > >VIDEO_PALETTE_RGB565 565 16 bit RGB > >* * * Channel 1: Composite1 > >has 0 tuners > >Flags: 0x2: no tuner; has audio > >Type: 0x2: not TV; camera > >Norm: 0x1: NTSC > >brightness 0x7FFF > >hue 0x7FFF > >colour 0x7D70 > >contrast 0x6B84 > >whiteness 0x0 > >depth 0x10 > >VIDEO_PALETTE_RGB565 565 16 bit RGB > >* * * Channel 2: S-Video > >has 0 tuners > >Flags: 0x2: no tuner; has audio > >Type: 0x2: not TV; camera > >Norm: 0x1: NTSC > >brightness 0x7FFF > >hue 0x7FFF > >colour 0x7D70 > >contrast 0x6B84 > >whiteness 0x0 > >depth 0x10 > >VIDEO_PALETTE_RGB565 565 16 bit RGB > >* * * Channel 3: Composite3 > >has 0 tuners > >Flags: 0x2: no tuner; has audio > >Type: 0x2: not TV; camera > >Norm: 0x1: NTSC > >brightness 0x7FFF > >hue 0x7FFF > >colour 0x7D70 > >contrast 0x6B84 > >whiteness 0x0 > >depth 0x10 > >VIDEO_PALETTE_RGB565 565 16 bit RGB > > > > > > > >/\/\/\/*=Martin > > > > > > > >_______________________________________________ > >Video4linux-list mailing list > >Video4linux-list@xxxxxxxxxx > >https://listman.redhat.com/mailman/listinfo/video4linux-list > > > > _______________________________________________ > Video4linux-list mailing list > Video4linux-list@xxxxxxxxxx > https://listman.redhat.com/mailman/listinfo/video4linux-list
