White outlines around buttons

[pete-pjb]

Hi @Aardvark ,

Take a look at this post it may help?

How do I combine a LVGL GUI and a live video stream

I have an application which outputs live video into a rectangle in a frame buffer. I would like to use LVGL to put a GUI around this rectangle. I have created a simple GUI with two buttons and a mouse cursor. This is output properly into a linux frame buffer. The live video normally paints over the GUI but when I move the mouse the whole screen is repainted. What is would be the proper way to have LVGL not paint an area in the frame buffer?

And also this post is probably more specific to your scenario:

How to display video stream from esp-cam

We actually have a JPEG decoder library already (lv_lib_split_jpg). If you use that, all you should need to do is fetch a JPEG over HTTP into a buffer, and then use a fake image descriptor. Here is an example - it’s a bit incomplete but I think it gives the general idea: lv_obj_t *img_obj; static void update_img(void *downloaded_jpeg_buf, size_t buf_size) { static lv_img_dsc_t jpeg_dsc = { .header.always_zero = 0, .header.w = <camera width>, .header.h = <camera heigh…

Kind Regards,

Pete