MKVtoolnix 45.0.0

MKVtoolnix is a set of tools to create, alter, and inspect Matroska files under OS X, Linux and other Unices, and Windows. They do for Matroska what the OGMtools do for the OGM format and then some.

Since May 1st 2003, the Matroska libraries themselves and my Matroska tools are officially released as a first public beta version. Although all of them are still under heavy development, I urge you to download the software, test it and report any errors you encounter to me. I’m always grateful for good bug reports because I miss so many mistakes and you guys normally find them. Your feedback is important to me 🙂

Note: While the software is classified as free, it is actually donationware. Please consider making a donation to help support development.

What’s new in MKVToolNix

  • Mkvmerge: mkvmerge has never supported appending & splitting FLAC audio tracks. mkvmerge will now emit error messages when the user attempts either instead of continuing and creating invalid FLAC tracks
  • Added an option in the preferences to turn on eliding text on tab headers. If enabled, tab names will be shortened so that all tab headers fit into the window’s width
  • Added an option in the preferences to disable all tooltips
  • Windows: debug output sent via Qt’s to Windows’ debugging facility will use a more verbose message format including the application name, making it easier to filter for in SysInternal’s “Debug View” utility
  • If the file identification fails due to a JSON parser error, the output generated by `mkvmerge` will be output via Qt’s debugging facility (viewable with SysInternal’s “Debug View” utility on Windows; on other systems it’s output on `STDERR`) allowing insight into what’s gone wrong
  • If an error occurs during file identification, the name of the processed file will be mentioned in the error message
  • If an error occurs during identification of multiple files, the GUI will ask the user whether to continue or abort the identification process
  • Job queue: added an option in the preferences for removing completed jobs when exiting the program depending on their status
Bug fixes:
  • Mkvmerge: H.265/HEVC packetizer: fixed changing the NALU size length, it was using the wrong offset into the `hevcC` structure
  • MP4 reader:
    • Fixed calculating the duration of video tracks that only contain a single frame
    • If there’s no frame offset table (`ctts` atom) present for H.265/HEVC video tracks, mkvmerge will determine the timestamp order itself instead of relying on the timestamps in the MP4 being in the presentation order required by Matroska

Download MKVtoolnix 45.0.0

 

For Windows, Mac and Linux

DOWNLOAD

 

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