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by brade
Tue Jul 09, 2019 11:28 am
Forum: Graphics programming
Topic: color Key using Dispmanx
Replies: 4
Views: 333

Re: color Key using Dispmanx

Is it possible to do the color key effect using dispmanx? I'm trying to render a video in a lower-layered dispmanx window and it would be shown on a higher-layered dispmanx window if it is covered by higher-layered window and the the covered region with specific color( color key ). If some pixels o...
by brade
Sun Jun 30, 2019 2:14 pm
Forum: Graphics programming
Topic: color Key using Dispmanx
Replies: 4
Views: 333

Re: color Key using Dispmanx

Actually I want to render video image into a dispmanx window which is shown on the x window and hope the mouse cursor and context menu( the menu would pop up if you click mouse right button ) would be shown on the video window. If I use an alpha channel on the upper layer( X window ), it would also ...
by brade
Fri Jun 28, 2019 1:17 am
Forum: Graphics programming
Topic: color Key using Dispmanx
Replies: 4
Views: 333

color Key using Dispmanx

Hello All, Is it possible to do the color key effect using dispmanx? I'm trying to render a video in a lower-layered dispmanx window and it would be shown on a higher-layered dispmanx window if it is covered by higher-layered window and the the covered region with specific color( color key ). If som...
by brade
Mon Dec 24, 2018 8:56 am
Forum: Advanced users
Topic: Is there any opportunity to adjust the color depth of displaylink usb adaptor
Replies: 0
Views: 789

Is there any opportunity to adjust the color depth of displaylink usb adaptor

Hello all, Right now I build a dual monitor environment with displaylink USB graphics adapter on raspberry pi 3B+ as the system is debian stretch. It's really awesome!!! But I have no opportunity to set the resolution and color depth of the monitor that connected by displaylink adapter. I am very cu...
by brade
Wed Oct 24, 2018 10:54 am
Forum: OpenMAX
Topic: mouse cursor and video_render
Replies: 2
Views: 4790

mouse cursor and video_render

Hello guys, I get a h264 video stream and play it with omxh264->video_render. It works fine and very smoothly, but I realized the mouse cursor disappear if I move cursor into video window. Is there any way to solve it or other way to get similar performance as video_render and cursor would not disap...

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