# HandBrake Authors Eric Petit (titer) - Original author - Core construct, multithreading, and BeOS/OS X/Linux ports - MPEG demuxer - MPEG-2, AC3, and MPGA decoders using libmpeg2, liba52, and libavcodec - LPCM "decoder" - MPEG-4, MP3, and AAC encoders using libavcodec, libxvidcore, libmp3lame, and libfaac - AC-3 pass-through - AVI muxer - MP4 muxer using libmp4v2 - BeOS interface - OS X interface - French translation Laurent Aimar (fenrir) - H.264 and Vorbis encoders using libx264 and libvorbis - OGG/OGM muxer using libogg - GTK2 interface - wxWidgets interface Van Jacobson (van) - Universal input architecture - MPEG Standard Target Decoder timing model - Auto-typing MPEG stream files - Minor bug fixing in MPEG stream support - Minor DVD reader fixes - Chapter mark bug fixes John Allen (johnallen) - Core enhancements - Threading enhancements - Simplified Mac OS X GUI Joe Crain (dynaflash) - Mac OS X GUI enhancements/rewrite Damiano Galassi (ritsuka) - macOS GUI - macOS sandbox and hardened runtime support - Improved color spaces support - Various libhb fixes and enhancements Edward Groenendaal (eddyg) - Major bug fixes - Subtitle scan & color - Performance improvements David Foster (davidfstr) - Subtitles from file inputs - SSA subtitle support Rodney Hester (rhester) - iPod firmware 1.2+ 640x480 MPEG-4/H.264 support Andrew Kimpton (awk) - MPEG Audio fixes - MPEG Stream Support Chris Lee (clee) - PAR/anamorphic support - dvdread enhancements - Linux GUI Chris Long (chrislong) - iPod firmware 1.2+ 640x480 MPEG-4/H.264 support Brian Mario (brianmario) - Windows GUI Maurj (maurj) - Dolby Surround and Dolby Pro Logic II mixdowns - 6-channel AAC audio from 5.1 source - Mono AAC audio from mono source - PAR/anamorphic support in MP4 file format - Chapter markers in MP4 file format - Mac OS X GUI enhancements - Support for DTS audio sources Mirkwood (mirkwood) - Windows CLI port Nyx (Nyx) - Frame reordering and flushing in MP4 Philippe Rigaux (prigaux) - 3rd party library integration - Mac OS X GUI enhancements - PAR/anamorphic support - Universal binary build process - Conversion from jam to make for compiles Jonathon Rubin (jbrjake) - Massive core enhancements - Significant improvements to H.264 support Scott (s55) - Windows GUI - UI concepts and design - Hardware acceleration - Devops and infrastructure - Online documentation John Stebbins (j45) - GTK GUI - TrueHD demuxing - libavcodec video encoding quality enhancements - Libhb architecture improvements, JSON API - Stream and sync improvements - Flatpak support - Numerous bug fixes and enhancements Chris Thoman (huevos_rancheros) - Ported video filters from libmpcodec Mark Krenek (travistex) - Mac OS X GUI enhancements - Mac OS X GUI queueing system Kona "Mike" Blend (KonaBlend) - Build system and related guides David Rickard (RandomEngy) - HandBrake Interop Library Tim Walker (Rodeo) - Hardware acceleration / Intel QSV - Libhb and macOS GUI fixes and enhancements - Dependencies support and integration - Miscellaneous fixes and enhancements Bradley Sepos (BradleyS) - Build system and toolchains - Dependencies, platform, and device testing - NLMeans denoiser and other filters - UI concepts and design - Official presets - Online documentation Maxym Dm (maxim_d33) - Hardware acceleration / Intel QSV - Miscellaneous fixes and enhancements Simon L (Nomis101) - Internationalization / UI translations lead - Build system and toolchains fixes and enhancements - Miscellaneous fixes and enhancements