bttv 2.6.16: wrong VBI_OFFSET?
- From: Daniel Glöckner <daniel-gl (at) gmx.net>
- Date: Mon, 8 May 2006 22:13:27 +0200
On Mon, May 08, 2006 at 10:33:01AM -0700, Trent Piepho wrote:
> Is there anyone with a bt878 and NTSC that can test for the correct NTSC
> value?
I simply used my DVD player as input.
It's the same value for NTSC and PAL. 250-252 for HSCALE=0.
I have put some slightly boring .au files on the web. Samplingrate is set
to 1/1000th to allow audacity to zoom down to sample level. One channel per
VBI line. All from the same frame. No teletext, but a clearly visible line
sync impulse at the end of each line.
http://www.stud.uni-hannover.de/~daniel/pal-width924-hscale0.au
http://www.stud.uni-hannover.de/~daniel/pal-width60-hscale59588.au
http://www.stud.uni-hannover.de/~daniel/ntsc-width768-hscale0.au
http://www.stud.uni-hannover.de/~daniel/ntsc-width48-hscale62464.au
Daniel
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