go-gst
canvas
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go-gst | canvas | |
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4 | 9 | |
130 | 1,411 | |
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2.7 | 9.0 | |
3 months ago | 15 days ago | |
Go | Go | |
GNU Lesser General Public License v3.0 only | MIT License |
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go-gst
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Directions / pointers for a server that buffers and rebroadcasts a video stream?
I don't know how low level you want to go, but assuming you don't want to re-implement video codecs then GStreamer is probably a good place to start, it allows you to create modular video pipelines and it has Go bindings (although I've not personally used them).
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Is it possible to detect text and edit from image in golang?
For the latter I have gstreamer bindings here https://github.com/tinyzimmer/go-gst , but you could potentially also implement yourself with other libraries tuned to the purpose.
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Pion WebRTC v3.1.0 Released
I noticed you have some gstreamer examples which is awesome! In case you are interested, I maintain bindings also (and the app libraries are included) if you wanted to remove some of that internal boilerplate :).
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Processing equivalent in GoLang
If CGO isn't off the table, gstreamer can do some interesting stuff with the app library. I have bindings here. This example plays with "dynamically" producing image frames.
canvas
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Canvas vector graphics update: rich text and path boolean operation support
I wanted to share a recent large update to https://github.com/tdewolff/canvas, which is a vector graphics library written in Go to create images, PDFs, SVGs, OpenGL, etc. using vector drawing operations. Especially I wanted to show two new exciting features:
- Pixie – A full-featured 2D graphics library for Nim
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Processing equivalent in GoLang
https://github.com/tdewolff/canvas/blob/master/examples/opengl/main.go can draw primitves but i think it would be a bit hard to do event based animation
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tdewolff/canvas: vector graphics in Go (mayor update)
canvas has a focus on using state-of-the-art algorithms regarding numerical approximations, see https://github.com/tdewolff/canvas#articles for a list of publications used in this library
I see, you'd like to specify the exact output pixel size for the rasterizers? To be honest, the floats are being multiplied and rounded, so given a set of canvas dimensions in mm and a DPMM should be fine in your case. In any case, I've opened an issue to calculate the resulting DPMM automatically to get a certain pixel width and height: https://github.com/tdewolff/canvas/issues/78
Yes! See https://github.com/tdewolff/canvas/tree/master/examples/gonum-plot for an example using gonum-plot. You should be able to plug-and-play to use the canvas library!
What are some alternatives?
svgo - Go Language Library for SVG generation
gg - Go Graphics - 2D rendering in Go with a simple API.
tiny-skia - A tiny Skia subset ported to Rust
generative-art-in-go - A companion source code repository to the book "Generative Art in Go"
go-cairo - Go binding for the cairo graphics library
mergi - go library for image programming (merge, crop, resize, watermark, animate, ease, transit)
bgracontrols - 🆗 BGRA Controls is a set of graphical UI elements that you can use with Lazarus LCL applications.
resize - Pure golang image resizing
imaginary - Fast, simple, scalable, Docker-ready HTTP microservice for high-level image processing
imagick - Go binding to ImageMagick's MagickWand C API
go-opencv - Go bindings for OpenCV / 2.x API in gocv / 1.x API in opencv
unipdf - Golang PDF library for creating and processing PDF files (pure go)