handbrake
HandBrake is a tool for converting video from nearly any format to a selection of modern, widely supported codecs. HandBrake is an open-source, GPL-licensed, multiplatform, multithreaded video transcoder, DVD ripper, available for MacOS X, Linux and Windows. It is a versatile, easy-to-use tool for converting DVDs and other videos into H.264, MPEG-4, or OGG formatted media. It's particularly useful for making videos that are compatible with portable video devices such as the Apple iPod/iPhone.
Built-in Device Presets: Get started with HandBrake in seconds by choosing a profile optimized for your device, or choose a universal profile for standard or high quality conversions. Simple, easy, fast. For those that want more choice, tweak many basic and advanced options to improve your encodes.
Supported Input Sources:Handbrake can process most common multimedia files and any DVD or Blu-ray sources that do not contain any kind of copy protection.

handbrake

Outputs Formats:
  • File format: MP4(M4V) and MKV
  • Video: H.264(x264), MPEG-4(ffmpeg), MPEG-2(ffmpeg), or Theora(libtheora)
  • Audio: AAC, CoreAudio AAC/HE-AAC (OS X Only), MP3, Flac, AC3, or Vorbis. AC-3, DTS, DTS-HD, AAC and MP3 pass-thru
Features:
  • Title / chapter and range selection
  • Batch Scan and Queueing of encodes
  • Chapter Markers
  • Subtitles (VobSub, Closed Captions CEA-608, SSA, SRT)
  • Constant Quality or Average Bitrate Video Encoding
  • Support for VFR, CFR and VFR
  • Video Filters: Deinterlacing, Decomb, Denoise, Detelecine, Deblock, Grayscale, Cropping and scaling
  • Live Video Preview
  • Built-in presets for common devices

Changelog:
  • Fixed point to point encoding end point when using frames as the unit
  • Improve error handling for libdvdread and libavcodec decoders
  • Fixed a potential crash when using the VP8 or VP9 video encoders
  • Fixed a potential crash when using 2-pass ABR
  • Fixed an issue where fallback encoder bitrate was not set properly
  • Fixed incorrect duration for UTF-8 subtitles
  • Fixed an issue causing extra blank lines for UTF-8 subtitles in MKV
  • Fixed an issue sometimes preventing dragging and dropping of presets between folders
  • Fixed importing chapter names from a file
  • Fixed Keep Aspect Ratio control (disabled) when anamorphic mode is Auto
  • Widened presets list to accommodate longer preset names
  • Many miscellaneous bug fixes and improvements

Note: Old version is available for Ubuntu 12.04 Precise.

Available for Ubuntu 16.10 Yakkety/16.04 Xenial/14.04 Trusty/12.04 Precise/Linux Mint 18/17/13/other Ubuntu derivatives
To install HandBrake Video Converter in Ubuntu/Linux Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:


To install command-line handbrake use following command: (Also checkout CLI guide)
That's it
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