Is there anyway to capture the fields to different buffers, using v4l1 ? other question, is there any doc about fast image grab and channel changing ? Basically, I am trying to capture 1 frame per channel at the maximum rate, but if I dont discard one frame or put an usleep, all frames got messes up, half blue/half image, or like a old tv with horizontal lines. Best regards --- Ronald Bultje <rbultje@xxxxxxxxxxxxxxxxxxx> wrote: > Hey, > > On Mon, 2003-06-09 at 04:22, Limos Special wrote: > > Does it works with regular bt878 cards ? > > I am looking to the v4l2 docs to figure how does > it > > works, but I wonder if it isn`t a DC10 feature. > > Likely. The Bt8x8 cards can - for example - draw two > fields to different > buffers (so if your capture size + overlay are both > only one field, it > will do both), but if one needs both fields, the > other is turned off. > That's logical, you can't grab a frame twice, and > emulation of these > doesn't belong in the kernel, you'd need some > emulation stuff in your > application to handle that (ugly!). > > > Apart from it, does v4l-2 helps with the slow > > framerate when capturing and changing channels ? > > No, v4l2 is an interface, not a backend. > > Ronald > > -- > Ronald Bultje <rbultje@xxxxxxxxxxxxxxxxxxx> > > > -- > video4linux-list mailing list > Unsubscribe > mailto:video4linux-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/video4linux-list __________________________________ Do you Yahoo!? Yahoo! Calendar - Free online calendar with sync to Outlook(TM). http://calendar.yahoo.com
