ffmpeg.js
hof
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ffmpeg.js | hof | |
---|---|---|
10 | 33 | |
3,204 | 475 | |
- | 2.7% | |
0.0 | 8.9 | |
6 months ago | 5 months ago | |
JavaScript | Go | |
GNU General Public License v3.0 or later | Apache License 2.0 |
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ffmpeg.js
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Audio slicing with Javascript
You likely want something like https://github.com/Kagami/ffmpeg.js/ for extracting slices
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Recordable Canvas Web Component
There are solutions to transcode to MP4 live in your browser, such as with [FFMPEG.js (https://github.com/Kagami/ffmpeg.js/). MP4 is actually just the containing file however! The codec that you record with still needs to be supported by MP4. So prepare for FFMPEG.js to do lots of work if you go this route!
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Video trimming in browser, client side, without uploading to any server
Well, the heavy lifting is done by ffmpeg (https://github.com/Kagami/ffmpeg.js/)
- Convert video file from .mov to .mp4 using Javascript in a website?
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Can Anyone help me with displaying a array of pixel values as an image in React ?
I think you want ffmpeg.js
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How to create a video editor that works in your browser.
Recently, browser features such as SharedArrayBuffer and WebAssembly are increasing. Video and video converter ffmpeg also works in browsers.
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ffmpeg.js build options question
ffmpeg.js uses a custom build of FFmpeg to keep its size low. I am trying to convert a .ts into a .mp4 which has always been an easy task on my desktop (especially since I believe they are even using the same codecs, aac and h.264), but on the custom build, I get the error sample1.ts: Invalid data found when processing input.
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Developing a Web based SWF to MP4 converter and hosting site
Maybe use something like that make conversions client side?
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rivers
Super helpful, thanks so much! I wonder if you'd be able to use something like https://github.com/Kagami/ffmpeg.js to cut out the offline step. I'm working on something at the moment that I'd love to embed in a webpage for general use but getting an MP4 out of it from a browser has been a big stumbling block.
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Ask HN: Show me your Half Baked project
https://github.com/Kagami/ffmpeg.js/ to import most animation formats and export gifs/webm fully in browser (I don't want to pay real server costs to encode animation).
hof
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Ask HN: Are SQL developers generally familiar with JSON, VSCode and Docker?
Many business analysts use SQL, have for a long time. They are probably not your target audience. With the problem being JAVA specific, you'd likely want to start there
This sounds similar to the goals of my hof tool (https://github.com/hofstadter-io/hof), lift type definitions out of code so they can be defined in one place, then generate the code for all the places. Is that sounding like what you are after?
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Show HN: Open SaaS – An open-source alternative to paid boilerplate starters
Having built something similar, the biggest challenge for users is that they have to use a bespoke language, like WASP here. I suspect that it is also your biggest challenge as well.
Mine is built on CUE, which at least has the potential to become a more widely used language. CUE hasn't reached sufficient maturity for broader adoption yet, so I continue to face this same problem.
https://github.com/hofstadter-io/hof
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OpenAI: Prompt Engineering
Here's a big one I needed to get ChatGPT to do something more sophisticated with a JSON object response (predates functions and all that)
https://github.com/hofstadter-io/hof/blob/_dev/flow/chat/pro...
It no longer worked after a model update some time ago, haven't tried recently.
I found codellama to be much better for this and require fewer instructions, an anecdotal validation for smaller, focussed models
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Ask HN: What's the most compelling AI prompt result you've seen?
I was surprised out how you can define arbitrary grammars using arbitrary formulation and it would follow it. Of course you have to redo the prompt every time there is an update... such a pain
https://github.com/hofstadter-io/hof/blob/_dev/flow/chat/pro...
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HTTPie Desktop: cross-platform API testing client for humans
CUE is indeed a beautiful language, will get those mind juices flowing for sure!
There is more work to be done on the codec implementation, but if you just want to split yaml/json across files, CUE is a great option
You might also like my project, built on CUE: https://github.com/hofstadter-io/hof We have a TUI where you can explore and work with CUE, JSON, Yaml
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Show HN: A tool to Convert JSON schemas into TypeScript classes
You can pretty much make up any pseudo grammar like this one, which is a reduced JSON object that is close to CUE: https://github.com/hofstadter-io/hof/blob/_dev/flow/chat/pro...
No need to be formal or use a standard format
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Guidance: A guidance language for controlling large language models
Yea, in particular for this project, they have created a bespoke templating system.
You can get the same thing with Go text/templates by adding chat function(s) as custom a helper: https://github.com/hofstadter-io/hof/blob/_dev/lib/templates...
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Textual Web: TUIs for the Web
100% one of the best things about building a TUI is not having the pain of modern web development. I do think there is a way to have a CLI & TUI come from the same code, so you can get the best of both, or pick the best for the task at hand.
experiments in progress here: https://github.com/hofstadter-io/hof/tree/_dev/lib/tui
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Jacobin: Minimal JVM written in Go and capable of running Java 17 classes
CUE is another interesting language to use from within Go, and is rather natural, given CUE is implemented in Go, but you can also do way more cool things with CUE via the Go API.
We're using CUE to validate and transform data, as input to code gen, the basis for a DAG task engine, and more
https://cuelang.org | https://pkg.go.dev/cuelang.org/[email protected]/cue | https://cuetorials.com/go-api (learn about CUE)
https://github.com/hofstadter-io/hof (where we are doing these things)
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Introducing TypeChat from Microsoft
here is one of our early examples: https://github.com/hofstadter-io/hof/blob/_dev/flow/chat/pro...
What are some alternatives?
ffmpeg.wasm - FFmpeg for browser, powered by WebAssembly
cue - The home of the CUE language! Validate and define text-based and dynamic configuration
hls.js - HLS.js is a JavaScript library that plays HLS in browsers with support for MSE.
smug - Session manager and task runner for tmux. Start your development environment within one command.
video-react - A web video player built for the HTML5 world using React library.
ping-heatmap - A tool for displaying subsecond offset heatmaps of ICMP ping latency
video.js - Video.js - open source HTML5 video player
go-live - 🗂️ go-live is an ultra-light server utility that serves files, HTML or anything else, over HTTP.
flv.js - HTML5 FLV Player
jk - Configuration as Code with ECMAScript
flowplayer - The HTML5 video player for the web
bashly - Bash command line framework and CLI generator