Re: Hardware Overlay with Push Source

Augie at NHN wrote:

> Thank you. It was because of the factor M.
> When I checked M values of several cards, many of them
> were 64.
> I think 64 is too big... Are most of video clips satisfy
> the condition?

Standard TV resolutions:

- V: 288, 240, 576 or 480
- H: 352, 480, 512, 528, 544, 640, 704, 720, 768

As you can see, only very few of them are multiples of 64
while most are multiples of 32 and a few only of 16.

All video cards I've had (3 Matrox, 2 nVidia) have no
problems with the above resolutions (but for the total pixel
count on older cards). In fact, the vertical granularity
should be 1 and the horizontal 32 or less. 64 is new to me.
How did you determine this value for the vertical
resolution?


--

// Alessandro Angeli
// MVP :: Digital Media
// a dot angeli at psynet dot net


.

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