Hardare support for alpha blending in DM365/DM368

Lonsn

Hi all:

We want to transfer motion jpeg streams to dm365, motion jpeg streams including normal video and alpha data. Then motion jpeg streams will be decoded by DM365 and produce two streams: 422 video stream and alpha stream(only Y data). We want to alpha blending the 422 video stream with external PAL/NTSC sd video in. Does DM365/DM368 support hardware alpha plending property?

Thanks

over 15 years ago

0 Paul.Yin over 15 years ago

TI__Genius 14405 points

i am not sure what you mean by "alpha stream (only y-data)". anyway, I'd suggest you to read the VPBE user guide http://focus.ti.com/general/docs/lit/getliterature.tsp?literatureNumber=sprufg9b&fileType=pdf, I am sure you will find what you want there.

Please keep in mind the blending happens between VID and OSD window only (not between VID0 and VID1 or between OSD0 and OSD1).

0 Krunal Patil over 15 years ago in reply to Paul.Yin

Genius 3120 points

Hi,

I need to display timestamps with transparent background (Capture date/time) on the captured video on DM365. In DM6467 VDCE is the one which can do alpha blending. Can anyone suggest me something on this how can I achieve this on DM365 with minimal efforts? My processing chain will be: Capture -> Timestamp Blending - > Encode -> Store.

Thanks in advance!!!

--
Regards,
Krunal

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Hardare support for alpha blending in DM365/DM368