Re: bttv.h: #define VBIBUF_SIZE 65536

Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 5 Feb 1999 00:05:58 +0000 (GMT)


> version (including the version in 2.2.0) it was set to 19*2*2k. Now,
> in 2.2.1, it is reset to 64k. Is there a deeper reason?

Compatibility. It was put back to fix problems

> IIRC, the correct value, according to the Teletext standards, would
> be 19*2*2k.
>
> Please, either revert that part of the 2.2.1 changes or add the
> BTTV_VERSION ioctl to vbi_ioctl (I've already sent an appropriate
> patch long ago; only 4 or 5 lines) so that I may auto detect the
> right buffer size. Even better would be a VBI_BUFSIZE or so ioctl.

VBI still needs an API definition. Nathan was going to do one. Contributions
are accepted

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