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imx6 mfw_isink display four videotestsrc have some interfere issue

Question asked by Jacky Huang on May 22, 2014
Latest reply on Jun 22, 2014 by Qiang Li - Mpu Se
Branched to a new discussion

Hi All:

 

Now I want to test the mfw_isink function, i want to display four channel videotestsrc on one screen (HDMI)

I use the command as below:

gst-launch videotestsrc pattern=0 ! 'video/x-raw-yuv, format=(fourcc)I420, width=720, height=480'  ! mfw_isink sync=false disp-width=320 disp-height=240 axis-top=10 axis-left=10 videotestsrc pattern=1 ! 'video/x-raw-yuv, format=(fourcc)I420, width=720, height=480' ! mfw_isink sync=false disp-width=320 disp-height=240 axis-top=10 axis-left=350 videotestsrc pattern=2 ! 'video/x-raw-yuv, format=(fourcc)I420, width=720, height=480' ! mfw_isink sync=false disp-width=320 disp-height=240 axis-top=10 axis-left=680 videotestsrc pattern=3 ! 'video/x-raw-yuv, format=(fourcc)I420, width=720, height=480'  ! mfw_isink sync=false disp-width=320 disp-height=240 axis-top=10 axis-left=1000


and my vssconfig as below:

# vss device definition

# Master=DVI, Slave=TV

# please add "video=video=mxcdi1fb:YUV444,720P60 video=mxcdi0fb:RGB24,1024x768M-16@60" to kernel startup command line

 

# master display

[master]

type = framebuffer

format = RGBP

fb_num = 1

main_fb_num = 0


However, I got some interference on the screen,  I upload the video in the attach, pls check it.


If I add the plugin videoscale in  the command:

gst-launch videotestsrc pattern=0 ! 'video/x-raw-yuv, format=(fourcc)I420, width=720, height=480'  ! videoscale ! mfw_isink sync=false disp-width=320 disp-height=240 axis-top=10 axis-left=10 videotestsrc pattern=1 ! 'video/x-raw-yuv, format=(fourcc)I420, width=720, height=480' ! videoscale ! mfw_isink sync=false disp-width=320 disp-height=240 axis-top=10 axis-left=350 videotestsrc pattern=2 ! 'video/x-raw-yuv, format=(fourcc)I420, width=720, height=480' ! videoscale ! mfw_isink sync=false disp-width=320 disp-height=240 axis-top=10 axis-left=680 videotestsrc pattern=3 ! 'video/x-raw-yuv, format=(fourcc)I420, width=720, height=480'  ! videoscale ! mfw_isink sync=false disp-width=320 disp-height=240 axis-top=10 axis-left=1000

 

the interference on the screen is decrease.

 

Maybe we can add buffer plugin between the videotestsrc and mfw_isink, but this isn't the fundamental problem.

Now I can't locate which gst plugin cause the issue.  Hope your help!

 

Thanks advance!

 

 


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