It should be possible to do.ĭo you know of a non-libx264 command line method? Or are you familiar with ffmpeg.js?Įxcuse that, I am just a browser extension developer making a screencast addon that converts to mp4 and gives to user to upload to twitter.
Processing Additional Codecs This isn't yet compiled with support for additional codecs Stream #0:0(eng): Video: vp8, yuv420p, 1920x1200, SAR 1:1 DAR 8:5, 30 fps, 30 tbr, 1k tbn, 1k tbc (default)Īh shoot I use ffmpeg.js which has x264 here - videoconverter.js/build at master īut I don’t think it was compiled with it per here he says - videoconverter.js - Convert Videos In Your Web Browser
Input #0, matroska,webm, from 'input.webm':ĭuration: N/A, start: 0.000000, bitrate: N/A To convert an mp4 video to mkv, simply install ffmpeg and run the command below: ffmpeg -i input. Warning: not compiled with thread support, using thread emulation This tutorial assumes you are using a Linux computer. Oh shoot I am getting Unknown encoder 'libx264' here is my output: ffmpeg version 2.2.1 Copyright (c) 2000-2014 the FFmpeg developersīuilt on 20:01:41 with emcc (Emscripten GCC-like replacement) 1.12.0 (commit 6960d2296299e96d43e694806f5d35799ef8d39c)Ĭonfiguration: -cc=emcc -prefix=/Users/bgrinstead/Sites/videoconverter.js/build/ffmpeg/./dist -enable-cross-compile -target-os=none -arch=x86_32 -cpu=generic -disable-ffplay -disable-ffprobe -disable-ffserver -disable-asm -disable-doc -disable-devices -disable-pthreads -disable-w32threads -disable-network -disable-hwaccels -disable-parsers -disable-bsfs -disable-debug -disable-protocols -disable-indevs -disable-outdevs -enable-protocol=file
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