RGBMatrixEmulator
rav1e
RGBMatrixEmulator | rav1e | |
---|---|---|
3 | 70 | |
77 | 3,586 | |
- | 0.9% | |
7.7 | 9.1 | |
about 1 month ago | 3 days ago | |
Python | Assembly | |
MIT License | BSD 2-clause "Simplified" License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
RGBMatrixEmulator
-
Ask HN: Most interesting tech you built for just yourself?
https://github.com/ty-porter/RGBMatrixEmulator
One of the side projects I work on is a scoreboard that displays MLB scores. It's highly configurable -- you buy the size panel you want and a Raspberry Pi, install the software, and you can configure it to display games, standings, and news headlines for your favorite team or division.
The problem is that the hardware is purchased by the end user, so it can come in many different sizes. I think we officially support 6 or 7 sizes right now, and each panel can be a chunk of change if you get a nice one. If we wanted to test on every device that means I need to shell out 50 bucks x 7 sizes, plus Raspberry Pi and wiring adapter, so not insignificant for a hobby project. Instead, I wrote a drop-in replacement emulator that makes it super simple to emulate any size panel across a variety of display types.
The most advanced display adapter spins up a minimal webserver and serves emulated images over a websocket, meaning you can display your panel over the network on pretty much any device with a web browser.
I write about it quite a bit, if further interested: https://blog.ty-porter.dev/categories.html#emulation-ref
-
Emulating Raspberry Pi LED Panels
Hi guys, I'm the developer behind RGBMatrixEmulator, a Python library to emulate LED matrices that run on Raspberry Pi via rpi-rgb-led-matrix driver library by Henner Zeller.
-
I'm giving out microgrants to open source projects for the third year in a row! Brag about your projects here so I can see them, big or small!
I maintain RGBMatrixEmulator, a Raspberry Pi LED matrix emulator written in Python. It emulates the Python bindings provided by rpi-rgb-led-matrix, the most common LED matrix driver beginners choose when writing code for LED displays.
rav1e
-
Learn x86-64 assembly by writing a GUI from scratch
Sure. You'll see it very often in codec implementations. From rav1e, a fast AV1 encoder mostly written in Rust: https://github.com/xiph/rav1e/tree/master/src/x86
Large portions of the algorithm have been translated into assembly for ARM and x86. Shaving even a couple percent off something like motion compensation search will add up to meaningful gains.
Or the current reference implementation of JPEG: https://github.com/libjpeg-turbo/libjpeg-turbo/tree/main/sim...
-
SISVEL VP9/AV1 patent declared invalid in China
Again, if anything AOM would be the one restricting licenses to AV1 (if they chose to) except AOM has stated and also published AV1 in a way to allow license free access to development (which allows people to make forks of the official build like it's open source) and usage. (1)(2) I don't see why they would suddenly change this.
- Any new Opensource projects in (rust) looking for contributors. I want to start my journey as an OSS contributor.
- assembly from dav1d 1.1.0 now integrated into rav1e
-
A little script to parse large libraries to AV1, if you're interested
You can speed up the sampling process with --vmaf n_subsample=5, which in my experience works more accurately than either 2 or 4, possibly due to this bug/feature present in multiple encoders. You might also need to manually set the number of threads used for VMAF calculation with --vmaf n_threads=16, but YMMV.
-
rav1d: a Rust port of dav1d (currently experimental)
That remember me of https://github.com/xiph/rav1e which is an AV1 encoder
- A Safer High Performance AV1 Decoder
-
rav1e wrong mastering-display output?
I put in the request for ffmpeg passthrough mastering-display data a few years ago and haven't heard of any support yet.
-
HDR10, HDR10+, Dolby Vision with AV1?
It's getting there.. Initial steps for FFmepg: https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=8444 rav1e: https://github.com/xiph/rav1e/pull/3000
-
Release Notes: Safari 16.4 Beta adds AV1 codec + hardware decode for WebRTC
It's entirely possible to re-use bits of other HW encoders for the first pass (motion estimation, etc).
What are some alternatives?
rpi-rgb-led-matrix - Controlling up to three chains of 64x64, 32x32, 16x32 or similar RGB LED displays using Raspberry Pi GPIO
SVT-AV1
gentooinstall
dav1d - A read-only mirror of dav1d source code repository. The origin is at https://code.videolan.org/videolan/dav1d/
GitExtensions - Git Extensions is a standalone UI tool for managing git repositories. It also integrates with Windows Explorer and Microsoft Visual Studio (2015/2017/2019).
SVT-AV1 - Welcome to the GitHub repo for the SVT-AV1! This repo is set to read-only for archiving purposes. Please join us at https://gitlab.com/AOMediaCodec/SVT-AV1. We look forward to seeing you there
space-station-14 - A multiplayer game about paranoia and chaos on a space station. Remake of the cult-classic Space Station 13.
ffmpeg-build-script - The FFmpeg build script provides an easy way to build a static FFmpeg on OSX and Linux with non-free codecs included.
bevy - A refreshingly simple data-driven game engine built in Rust
obs-amd-encoder - AMD Advanced Media Framework Encoder Plugin for Open Broadcaster Studio
sysidentpy - A Python Package For System Identification Using NARMAX Models
libavif - libavif - Library for encoding and decoding .avif files