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ffmpegwasm

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ffmpeg.wasm
FFmpeg for browser, powered by WebAssembly

C · 17803 stars
react-app
An example to use ffmpeg.wasm in react.js

JavaScript · 214 stars
vue-app
📹 An example to use ffmpeg.wasm in Vue

JavaScript · 119 stars
chrome-extension-app
An example to use ffmpeg.wasm in Chrome Extension

JavaScript · 70 stars
libav.wasm
libav WebAssembly port

TypeScript · 44 stars
nuxt-app
📹 An example to use ffmpeg.wasm in Nuxt 3

CSS · 40 stars
testdata
Test data for ffmpeg.wasm

13 stars
x264
Clone from https://code.videolan.org/videolan/x264

C · 2 stars

Open All

407 open issues indexed

Just a few small questions Open

ffmpegwasm/ffmpeg.wasm#364 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
High ram usage , how to lower it Open

ffmpegwasm/ffmpeg.wasm#365 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Can we specify threads or workers to be used ? Open

ffmpegwasm/ffmpeg.wasm#366 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
how should i generate gif with transparent background Open

ffmpegwasm/ffmpeg.wasm#367 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
timecode option for drawtext not working as expected. Open

ffmpegwasm/ffmpeg.wasm#370 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
How to obtain audio and video information, such as duration, width and height Open

ffmpegwasm/ffmpeg.wasm#371 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
How to use xFade? Open

ffmpegwasm/ffmpeg.wasm#372 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Is there single threaded FFMPEG with WebWorkers (the same as current one, but without SharedArrayBuffer)? Open

ffmpegwasm/ffmpeg.wasm#373 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
The encoding and decoding speed is too slow. Can you optimize it Open

ffmpegwasm/ffmpeg.wasm#376 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Cant get output files when running on web worker Open

ffmpegwasm/ffmpeg.wasm#379 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Compressing audio files is very slow Open

ffmpegwasm/ffmpeg.wasm#380 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Ffmpeg trying to load js core file as wasm core: expected magic word Open

ffmpegwasm/ffmpeg.wasm#382 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Default core path can be incorrect Open

ffmpegwasm/ffmpeg.wasm#383 · 2 comments · 11 reactions · 0 assignees · Indexed Sep 15, 2026
Screen grabbing Open

ffmpegwasm/ffmpeg.wasm#386 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
I want to add subtitles, but not work. Open

ffmpegwasm/ffmpeg.wasm#387 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
can this be used for HLS video encryption, that is basically breaking into segments and encrypting each segment of video? Open

ffmpegwasm/ffmpeg.wasm#388 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
WebAssembly.Memory(): could not allocate memory Open

ffmpegwasm/ffmpeg.wasm#395 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Is there a way to generate Video from image ArrayBuffer data instead of fetching the image? Open

ffmpegwasm/ffmpeg.wasm#396 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Meet Error: need the dylink section to be first & how to build libavcodec as wasm side module Open

ffmpegwasm/ffmpeg.wasm#401 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
The processed image is too bright using colorbalance option. Open

ffmpegwasm/ffmpeg.wasm#403 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
How to resolve the question in production? Open

ffmpegwasm/ffmpeg.wasm#404 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Runtime/Compile error on iOS 14.x Open

ffmpegwasm/ffmpeg.wasm#406 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
why ffmpeg.wasm throwing this error Uncaught ReferenceError: createFFmpegCore is not defined vue Open

ffmpegwasm/ffmpeg.wasm#407 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
import core in esm way Open

ffmpegwasm/ffmpeg.wasm#408 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Migrate ffmpeg.wasm to monorepo with all source code in one place Open

ffmpegwasm/ffmpeg.wasm#414 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
[Question / Help] WebM & OGV export example + multi-threading? Open

ffmpegwasm/ffmpeg.wasm#416 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
ffplay Open

ffmpegwasm/ffmpeg.wasm#419 · 3 comments · 5 reactions · 0 assignees · Indexed Sep 15, 2026
WebAssembly.Memory(): could not allocate memory Open

ffmpegwasm/ffmpeg.wasm#420 · 16 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Can I decode a single frame? Open

ffmpegwasm/ffmpeg.wasm#422 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
TypeError: Failed to parse URL from /Users/user/Desktop/projects/nestproject/node_modules/@ffmpeg/core/dist/ffmpeg-core.wasm Open

ffmpegwasm/ffmpeg.wasm#426 · 5 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
How to acquire and execute ffmpeg in real time New data generated by the run process Open

ffmpegwasm/ffmpeg.wasm#430 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Get ffmpeg metadata Open

ffmpegwasm/ffmpeg.wasm#431 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
webcam.html Open

ffmpegwasm/ffmpeg.wasm#434 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
how i can send streaming to youtube ? Open

ffmpegwasm/ffmpeg.wasm#435 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
single threaded version：can not use “ffmpeg.run” secondly. Throw Error "Program terminated with exit(0)" Open

ffmpegwasm/ffmpeg.wasm#436 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Can I save wasm, core and worker in indexdb and assign values directly when creating ffmpeg？ Open

ffmpegwasm/ffmpeg.wasm#437 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support for Node.js v18 Open

ffmpegwasm/ffmpeg.wasm#438 · 8 comments · 6 reactions · 0 assignees · Indexed Sep 15, 2026
FFMPEG_ST no more Open

ffmpegwasm/ffmpeg.wasm#440 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Can't Load FFMPEG in Chrome Android Open

ffmpegwasm/ffmpeg.wasm#443 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Download progress for WASM Open

ffmpegwasm/ffmpeg.wasm#444 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
FFmpeg.wasm exits early when attempting to concatenate frames into video Open

ffmpegwasm/ffmpeg.wasm#445 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Cannot execute ffmpeg.FS('init', {...}) successfully Open

ffmpegwasm/ffmpeg.wasm#449 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Initial memory reduction in 0.11 causing OOM from 0.10 Open

ffmpegwasm/ffmpeg.wasm#451 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
`-loglevel` ignored in version 0.12.0-alpha.2 Open

ffmpegwasm/ffmpeg.wasm#452 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Module not found core import error NEXTJS 13 Open

ffmpegwasm/ffmpeg.wasm#455 · 6 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
'-help filter=convolve' never resolve the promise Open

ffmpegwasm/ffmpeg.wasm#457 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Remove use of CommonJS or AMD dependencies Open

ffmpegwasm/ffmpeg.wasm#458 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Support for the browsers native encoder/decoder api Open

ffmpegwasm/ffmpeg.wasm#459 · 1 comment · 10 reactions · 0 assignees · Indexed Sep 15, 2026
How to extract subtitle from video using ffmpegwasm? Open

ffmpegwasm/ffmpeg.wasm#462 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
How to decode a big video use ffmpeg.wasm to render use canvas? Open

ffmpegwasm/ffmpeg.wasm#465 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

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