ffmpeg-libav-tutorial
ffmpeg.wasm
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ffmpeg-libav-tutorial | ffmpeg.wasm | |
---|---|---|
10 | 74 | |
9,440 | 12,639 | |
- | 2.9% | |
2.1 | 9.0 | |
23 days ago | 6 days ago | |
C | C | |
BSD 3-clause "New" or "Revised" License | MIT License |
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ffmpeg-libav-tutorial
- Ask HN: How can I learn about video encoding, h.264, ffmpeg, etc.
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All the giant companies used ffmpeg
I think you're supposed to read the header files? I have no idea how people write ffmpeg stuff. The only good tutorial I've seen is: https://github.com/leandromoreira/ffmpeg-libav-tutorial
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A simple X11+SDL2 animated wallpaper setter and video player
Much of it I learned from An ffmpeg and SDL Tutorial (outdated, but the core idea persists), and from ffmpeg-libav-tutorial.
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FFmpeg + WebAssembly
If you are not familiar with libav, ffmpeg-libav-tutorial is a great introduction.
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where do I start? Linux embedded development; SoC's. CSI and DSI MIPI
Btw, if you want to encode anything higher than 1080p60 using the Videocore VI, you'll need to use an external library like ffmpeg. There is a good tutorial for ffmpeg too - https://github.com/leandromoreira/ffmpeg-libav-tutorial . This should teach you how to encode the raw video stream you get from the camera into a codec of your choice.
ffmpeg.wasm
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FFmpeg-online: ffpmeg running on the browser
As their github page says, based on https://ffmpegwasm.netlify.app ...
I'm guessing no one did GPU-optimizations? I saw a web app (not an ffmpeg transpilation) that went clever and used WebGL so it can access the GPU and use its parallel processing capabilities...
- Show HN: FFmpeg UI
- Petition to add support for Gopher protocol in Firefox
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I made a tool for converting between different media formats (without uploading to a server)
OP just implemented https://github.com/ffmpegwasm/ffmpeg.wasm in their own frontend, nothing special really.
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WebAssembly Text Code Samples
One that comes to mind is the WASM port of FFmpeg:
https://github.com/ffmpegwasm/ffmpeg.wasm
Another is the SQLite WASM project:
https://sqlite.org/wasm/doc/trunk/index.md
Also v86 for x86 machine virtualization in the web browser:
Possibly more interesting projects to be found here:
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New Render plugin
Iβd look seriously at ffmpeg wasm thoughβ¦ https://github.com/ffmpegwasm/ffmpeg.wasm
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Framr - Give Your Demo Video a Fancy Gaussian Blur Frame
It wasn't long after this I happened to come across FFmpeg ported to WebAssembly! I was a bit occupied with several other projects at the time, but I knew right away that I wanted to migrate my cumbersome script into a nice and dynamic web application, so I whipped up a little prototype that night.
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[Showoff Saturday] I made a video, audio, and image converter that runs in your browser.
Hey hey! I made this converter because I was fustrated with the existing options. Many of them work by sending the file to a server for processing, which is slow on low bandwidth and usually incurs restrictions or paywalls, and god knows what they do with my incriminating files. I found a library called FFmpeg.wasm that runs on Web Assembly, which I used in this project.
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Ffmpeg.wasm β a pure WebAssembly / JavaScript port of FFmpeg
I found this https://github.com/ffmpegwasm/ffmpeg.wasm#what-is-the-maximu...
the inputfile needs a uint8 array, which i tried converting file to uint8 but that gives a file format error and doesnt process the ffmpeg command
This looks neat but pure port seems to be stretching it:
>ffmpeg.wasm is a pure Webassembly / Javascript port of FFmpeg
>@ffmpeg/core contains WebAssembly code which is transpiled from original FFmpeg C code with minor modifications [1]
[1] https://github.com/ffmpegwasm/ffmpeg.wasm#what-is-the-licens...
What are some alternatives?
rust-ffmpeg-wasi - ffmpeg libraries precompiled for WebAsembly/WASI, as a Rust crate.
ffprobe-wasm - A Web-based FFProbe. Powered by FFmpeg, Vue and Web Assembly!
handbrake-js - Video encoding / transcoding / converting for node.js
node-ytdl-core - YouTube video downloader in javascript.
ffmpeg.js - Port of FFmpeg with Emscripten
Vue.js - This is the repo for Vue 2. For Vue 3, go to https://github.com/vuejs/core
video-cutter - Cut any video online using FFMPEG... no server needed ! (Thanks WebAssembly)
FFmpeg - Mirror of https://git.ffmpeg.org/ffmpeg.git
readable-stream - Node-core streams for userland
Node.CLI-Progress - :hourglass: easy to use progress-bar for command-line/terminal applications
ccapture.js - A library to capture canvas-based animations at a fixed framerate
remotion - π₯ Create videos programmatically in React [Moved to: https://github.com/remotion-dev/remotion]