When comparing FormatFactory vs GStreamer, the Slant community recommends FormatFactory for most people. In the question“What are the best combined audio & video transcoders?” FormatFactory is ranked 3rd while GStreamer is ranked 5th. The most important reason people chose FormatFactory is:
Uncluttered, intuitive interface.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Easy to use GUI
Uncluttered, intuitive interface.
Pro Good variety of formats and media types supported
In addition to DVDs, BluRays, CDs and disk images, FormatFactory can handle mp4, 3gp, mpg, avi, wmv, flv, swf, mp3, wma, amr, ogg, aac, wav, jpg, bmp, png, tif, ico, gif and tga.
Pro Free
Proprietary code that you can use in whatever way you want, even for commerce.
Pro Supports batch converting
You can convert multiple files at a time.
Pro Lightweight
It is designed to convert, no added bloat.
Pro Powerful
In addition to having great flexibility over demuxer, decoder, processer, encoder, muxer choice and settings, GStreamer can clip, crop, stream, extract frames, merge audio and video from different sources and perform many other tasks.
Pro Extendable
You can dynamically load plugins and implement different libraries to extend functionality.
Pro Excellent debugger
GStreamer can give you detailed information about the pipeline and each individual process it's running.
Pro Excellent variety of formats
Among the more common formats GStreamer can handle are h.264, HEVC(h.265), mp3, AAC, mpeg-4, wmv3, ProRes, QuickTime, SWF, Speex, FLAC, VP9 and it can also be extended with other libraries to support different formats.
Pro Free and open-source
Licensed under LGPL.
Pro Cross-platform
Available on Windows, OS X, and Linux.