Forums - fcvChannelExtractu8

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fcvChannelExtractu8
jing.chen
Join Date: 10 May 20
Posts: 9
Posted: Mon, 2020-10-12 03:50
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I call the fuction fcvChannelExtractu8 to extract  a RGB image to three R,G,B single channel images, code as follows:
 
printf("before fcvChannelExtractu8\n");
 
int ret1 = fcvChannelExtractu8(maskSrc,IW,IH,0,0,0,0,0,FASTCV_CHANNEL_R,FASTCV_RGB,maskR,0);
 
printf("after fcvChannelExtractu8, ret1=%d\n");
 
But the code will quit when call the fuction, the print log "before fcvChannelExtractu8" can be displayed, but the "after before fcvChannelExtractu8" can not be displayed.
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Re: fcvChannelExtractu8
ss.pandiri
Join Date: 29 May 18
Posts: 58
Posted: Tue, 2021-01-19 01:30
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Hi,

The API usage is correct. Please make sure maskR is allocated memory size equal to IW*IH*1

thanks

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Re: fcvChannelExtractu8
jeff4s Moderator
Join Date: 4 Nov 12
Posts: 106
Posted: Tue, 2021-01-19 08:43
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Please check this post:

https://developer.qualcomm.com/forum/qdn-forums/software/fastcv-computer...

Cheers,

-Jeff

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