TEncoder is a open-source multithreaded GUI for FFMpeg, MEncoder and MPlayer.

Features:

• Run up to 16 simultaneous processes and/or make FFMpeg and Mencoder to do internal multithreaded encoding.
• Rip unprotected DVDs
• Hard-code subtitles with same name as video using Mencoder
• Hard-code subtitles tracks (soft-coded subtitles) with MEncoder
• Download video/audio from YouTube etc
• 840 device presets
• Do two passes to improve quality
• Pass custom options to encoders
• Extract audio or video
• Extract parts from file
• Convert audio files (mp3 to aac etc)
• Select audio track from files with multiple audio tracks
• Extract jobs to.bat file so they can be run later
• Preview files with all options applied
• Edit/create presets
• Works under Wine
• 64bit and 32bit versions available