使用vpu测试工具mxc_vpu_test.out时 屏幕闪烁

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使用vpu测试工具mxc_vpu_test.out时 屏幕闪烁

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stevenhuang
Contributor III

在imx6q 平台上使用下: ./mxc_vpu_test.out -D "-i  /opt/test.264 -f 2   -w 720 -h 480-j 0 -k 0 -x 16"  可以显示视频,但是屏幕非常闪烁,还有竖着的纹路。 但是使用 ./mxc_vpu_test.out -D "-i  /opt/test.264 -f 2   -w 720 -h 480-j 0 -k 0 -x 17" 时, 视屏显示正常, 这是什么问题呢?

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stevenhuang
Contributor III

The kernel image is build by myself.  and there are some configs will led this issue? could you give me some suggest? thank you!

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joanxie
NXP TechSupport
NXP TechSupport

what bsp version do you use? did you change anything on your board? x17 is overlay of x16, pls try to use command:

cat /sys/class/video4linux/video17/name and cat /sys/class/video4linux/video16/name, what do you get?

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stevenhuang
Contributor III

thks for you answer

bsp is 3.0.35,  follow is the result the the two command:

cat /sys/class/video4linux/video17/name
DISP3 FG
~ # cat /sys/class/video4linux/video16/name
DISP3 BG

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joanxie
NXP TechSupport
NXP TechSupport

did you use demo image or image build by yourself, what source code do you change? I can play the video on the video16 and video 17 successfully,

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