MKVToolNix Portable is a set of tools to create, alter, split, join and inspect Matroska files(mkv). With these tools one can get information about (mkvinfo) Matroska files, extract tracks/data from (mkvextract) Matroska files and create (mkvmerge) Matroska files from other media files. Matroska is a multimedia file format aiming to become THE new container format for the future. MKVToolnix Portable is an advanced application that enables you to open, examine, edit and mux Matroska files (.mkv). It offers support for other popular video file types too, along with audio tracks and subtitles.
Inspect and manipulate Matroska files
The tool enables you to view, append and take apart tracks, chapters and tags, as well as to edit a wide range of data. For example, when it comes to general track options, you can set the track name, language, default and forced track flags, tags, and timecodes.
What’s more, you can set the aspect ratio, FPS, delay, stereoscopy mode, cropping, cues, compression mode, and custom command-line parameters for enhanced functionality. External files can be embedded in the movie as attachments.
Create and edit movie chapters
It’s also possible to create chapters and define properties, such as start and end time, flags, segment and segment edition UID, together with chapter name, language and country. Configurable global settings focus on the tag file, whether to create a WebM compliant file or not, split mode, file linking, and so on.
An important aspect worth taking into account is that MKVToolnix Portable offers support for batch jobs, which means that you can leave the workstation unattended while the tool executes time-consuming tasks.
You can examine the current command line and copy it to the Clipboard or save it to file to use in future projects, manage the queue jobs, add command-line options, load chapters from external files, edit the header, as well as save the project as an .mka, .mkv or .mk3d-formatted file.
Release Notes:
## New features and enhancements * MKVToolNix GUI: header editor: double-clicking on one of the three flag indicators ("Default track", "Forced display", "Enabled") for a track in the tree view will now toggle the corresponding flag. Implements #3773. ## Bug fixes * mkvmerge: AAC parser: LOAS/LATM streams: fixed use of uninitialized data when the `StreamMuxConfig` element doesn't contain the `audioMuxVersion` element; version 0 must be assumed in such a case. The result was that sometimes certain valid AAC packets were dropped. Fix by Stefan Pöschel. * mkvmerge: HEVC/H.265 parser: fixed calculation of picture order count calculation that was triggered under rare circumstances. Fixes #3775. * mkvmerge: Matroska reader: enabled limits for how much data a single Matroksa reader instance might buffer when the muxing core looks for packets for specific tracks, avoiding huge memory consumption in cases where tracks have huge gaps between packets. This might happen when appending files containing forced-only subtitle tracks, for example. Fixes #3771. * mkvmerge: TrueHD reader: increased the probe range for TrueHD sync frames from 128 KB to 512 KB to avoid mis-detection with certain files with a lot of data between sync frames. Fixes #3783. * mkvmerge: MP4/QuickTime reader: fixed detection of Big Endian LPCM audio. Fixes #3788. ## Build system changes * The bundled `fmt` library was updated to v11.1.2. * added a new option to `configure` called `--disable-dbus` to disable looking for & using QtDBus even if it's present on the system. Default remains to probe for its existence. Patch by Anthony Ryan.
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