Hello All,
I am currently working on display driver for dm6446 DVEVM.
Results obtained by me till now are not satisfactory.
I have tried the following combinations and results for the same are as
below:
I am using OSDWIN0 as display window in RGB565 mode
Frame Mode:
Interlaced - Image is not clear. Image is not sharp as required.
It seems to be shaking.
Non-Interlaced - Image is stable not sharp but still better than
interlaced mode, also alternate lines get skipped
i.e. alternate lines does not get displayed.
Field Mode:
In both modes (interlaced as well as non-interlaced) image gets
elongated. This is obvious as per my understanding as we provide a buffer of
240 lines to display 480 lines. But the image quality is too good, with very
sharp edges.
My understanding is that, In Frame mode, the buffer contains data for both
even and odd fields arranged as required. The display controller will access
the data according to the fields to be displayed and in Field mode there has
to be two separate buffers for even and odd fields so that image can be
displayed accordingly. Please correct if my understanding is wrong.
I want to have sharp image to be displayed as in Field mode but, would
require Frame mode for complete display. How could I achieve the same.
Regards,
Suhas Jain
Associate
AFTEK Limited - Pune
Web: www.aftek.com
Mail: [EMAIL PROTECTED]
_______________________________________________
Davinci-linux-open-source mailing list
[email protected]
http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
