TDA2SX: VPE Link has not work ok.

scCropCfg.cropStartX =32;

scCropCfg.cropStartY=24;

scCropCfg.cropWidth = inputWidth -32;

scCropCfg.cropHeight = inputHeigh -32;

when i set  cropStartX = 0,cropStartY=0,  picture in display`s left    appear   green and   top appear  not right .

why cannot set the param to 0;

Hi,

the issue is not because of VPE. I think decoder is outputting some padded data, so that's need to be cropped. That's what we are doing. VPE is configured to trim off this padded data.

Rgds,

Brijesh

but  i test  decode link  direct out the display ,   display is normal，same as pc display. only add the vpe appear  this.can  you test the  usecase  nullsrc_decode_vpe_display and  nullsrc_decode_display.

When you connect decode output to display, did you have to change any display parameters?

Rgds,

Brijesh

hi,

no change,only  not use vpe  link.  i use the  sdk37 usecase test,so you can try it. i use h264  1280*720  test.

This is surprising. VPE link does not do anything. When you actually set this parameter, it trims off/removes/crops that portion of the image.. 

This essentially means decoder does output some padded data.. 

Now when you connect the decoder output directly to display, does display show full screen?

What are the VPE parameters? Are you doing any scaling in VPE?

Rgds,

Brijesh