MKVToolnix v41.0.0 Final x86/x64 多语言中文正式版-MKV封装工具

MKV 是一种优秀的多媒体容器格式，它可把多种不同编码的视频及16条或以上不同格式的音频和语言不同的字幕封装到一个 MKV 文件中，而 MKVToolNix 是一款免费开源的 MKV 编辑器和工具集，能够合成、编辑 Matroska MKV 文件。

MKVToolNix 包含了以下几个 MKV 专用处理工具：
*mkvmerge：将多媒体文件封装、合并、混流为 MKV 文件；
*mkvinfo：输出 MKV 文件组件和编码信息；
*mkvextract：从 MKV 文件中提取视频、音频和字幕轨道；
*mkvpropedit：直接修改现有 MKV 文件的属性而无需重混流；
*mmg：mkvmerge GUI，并包含了章节编辑器和头部编辑器。

MKVToolNix 中的 Mkvmerge GUI 允许你导入多个视频、音频、字幕轨道，混流合并一个新的 MKV 文件，并可以设置导出视频的宽高比、显示比例、帧频等等。

MKVToolNix 中的 MKVExtractGUI 则可以从现有的 MKV 文件中提取其中的一个或多个视频、音频或者字幕信息，是专业的 MKV 分离工具。

MKVToolNix 是专用的 MKV 剪辑工具，提供了4种 MKV 切割模式，包括按尺寸、按时长、按特定时间码和按分段，都是无损剪辑、分割 MKV 过程，能够同步切割视频、音频和字幕轨道。比之前介绍的所有支持 MKV 分割的工具都要好用，包括 Boilsoft Video Splitter、SolveigMM AVI Trimmer 等。

更新记录：

# Version 41.0.0 "Smarra" 2019-12-06

## New features and enhancements

* mkvmerge: Matroska reader: Vorbis tracks: stream comments (aka Vorbis
  comments) will be converted to Matroska attachments (for cover arts) and
  Matroska track tags (for other comments). Additionally the stream comments
  will be removed from Vorbis headers.
* mkvmerge: MP4 reader: added support for reading Opus audio from MP4
  files. Part of the implementation of #2673.
* mkvmerge: MP4 reader: added support for reading VP9 video from MP4
  files. Part of the implementation of #2673.
* mkvmerge: Ogg reader: Vorbis, Opus & VP8 streams: stream comments (aka
  Vorbis comments) will be converted to Matroska attachments (for cover arts)
  and Matroska track tags (for other comments). Additionally the stream
  comments will be removed from Vorbis headers.
* mkvmerge: WAV reader: added support for reading RF64 files.
* MKVToolNix GUI: multiplexer: the list of predefined track names is now split
  up into three lists, one for each track type (audio, video &
  subtitles). Part of the implementation of #2654.
* MKVToolNix GUI: multiplexer: when trying to add thumbnails for a Blu-ray the
  GUI will determine the thumbnail's pixel size from the thumbnail files if
  the XML file doesn't contain that information. This works for JPEG and PNG
  files. Implements #2674.
* MKVToolNix GUI: general: line edits & combo boxes will now have a "clear
  text" button appear whenever they're not empty. Part of the implementation
  of #2654.
* MKVToolNix GUI: update check: the dialog showing the latest news & version
  information states explicitly where the links take the user (the MKVToolNix
  `NEWS.md` file and YouTube respectively).

## Bug fixes

* mkvmerge: Matroska reader: mkvmerge did not copy the codec's private data
  when reading WavPack from Matroska files. Fixes #2685.
* mkvmerge: MPLS handling: re-added caching when using MPLS playlists as input
  files. Fixes #2666.
* mkvmerge: MPEG TS reader: when reading an MPLS playlist, the calculation of
  the minimum timestamp to use for shifting all output timestamps to zero was
  wrong. It was wrongfully considering timestamps from packets it would not
  copy due to the MPLS's timestamp restrictions. This could lead to the first
  timestamps in the output file being quite large, e.g. more than a couple of
  minutes, causing sync problems when multiplexing together with other
  files. Fixes #2670.
* MKVToolNix GUI: multiplexer: the automatic switch between aspect ratio &
  display width/height wasn't reflected in the configuration generated for
  `mkvmerge`. The user had to change between the two settings manually. Fixes
  #2660.
* MKVToolNix GUI: multiplexer: the progress dialog shown when scanning a
  Blu-ray wasn't closed properly in certain situations. Fixes #2678.
* MKVToolNix GUI: general: the configured font was not applied to a lot of
  controls (e.g. the file & track lists or the menu entries) on application
  startup. Instead the user had to open & close the preferences in order for
  the font to be applied to all controls. Fixes #2671.

# Version 40.0.0 "Old Town Road + Pony" 2019-11-09

## New features and enhancements

* mkvmerge: MP4 reader: added support for BMP covert art images.
* MKVToolNix GUI: multiplexer: added an option to disable deriving the
  destination file name from the file title. Implements #2648.
* MKVToolNix GUI: multiplexer: the content of the "stereoscopy" combo box has
  been simplified making the box's minimum width much smaller, allowing the
  user to resize the GUI's whole window to a much smaller width.
* MKVToolNix GUI: multiplexer: whenever the user changes the "aspect ratio" or
  "display dimensions" controls, the corresponding radio button will be
  activated automatically. Implements #2651.
* MKVToolNix GUI: Windows: added a setting in the preferences to disable the
  GUI's dark color mode even if Windows's app color mode is set to
  dark. Implements #2646.
* MKVToolNix GUI: Windows: replaced the dark mode introduced in v39 with
  another dark mode that's less wasteful with space between widgets.

## Bug fixes

* mkvmerge: MP4 reader: mkvmerge was reading eight bytes too many for cover
  art images. This could cause file identification to fail when the cover art
  was located at the end of the MP4 file. Even if it succeeded, this meant too
  much data present in the attachment. Fixes #2650.
* mkvmerge: MP4 reader: covert art images with unknown image types will be
  skipped instead of treated as JPEG images.

## Build system changes

* Qt 5.9.0 or newer is now required for building MKVToolNix GUI.

Version 39.0.0 "In The Waiting Line" 2019-11-04

## New features and enhancements

* mkvmerge: Blu-ray: when reading an MPLS playlist mkvmerge will look up and
  use chapter names from the Blu-ray's "track/chapter names" meta data if it
  exists. Part of the implementation of 2486.
* mkvmerge: MP4 reader: if present, cover art images (the
  `meta.udta.ilist.covr` atom) will be converted into attachments.
* MKVToolNix GUI: multiplexer: when adding a playlist from a Blu-ray disc, the
  disc library meta data will be parsed, and the biggest thumbnail, if
  present, will be added as a new attachment with name `cover.jpg` (extension
  depends on thumbnail's extension). Implements #2644.
* MKVToolNix GUI: multiplexer: when adding a playlist from a Blu-ray disc, the
  title from the disc library meta data will be set as the new file title if
  the disc library meta data contains one & no title has been set yet.
* MKVToolNix GUI: multiplexer: the automatically generated destination file
  name will now be based on the file title if one is set at that point. This
  works in conjunction with the title being said from the Blu-ray disc library
  meta data.
* MKVToolNix GUI: chapter editor: when reading chapters from an MPLS playlist
  the GUI will look up and use chapter names from the Blu-ray's "track/chapter
  names" meta data if it exists. Part of the implementation of 2486.
* MKVToolNix GUI: Windows: added a dark mode that's enabled when Windows 10's
  dark mode is turned on.
* translations: added a Bulgarian translation of the programs & the man pages
  by Симеон Цветков (see `AUTHORS`).

## Bug fixes

* mkvmerge: attachments without a file name won't be ignored anymore. Part of
  the fix of #2642.
* MKVToolNix GUI: header editor: attachments with an empty name element will
  be shown as `` as originally intended. Part of the fix of #2642.
* Linux AppImage: the AppImage will no longer change directories before
  running the desired executable allow the use of relative file names. Fixes
  #2632.

## Build system changes

* MKVToolNix now requires a C++ compiler that supports the following features
  of the C++17 standard: "`[[maybe_unused]]` attribute", "nested namespace
  definition", "structured bindings". For the GNU Compiler Collection (gcc)
  this means v7 or newer; for clang it means v4 or newer.
* Boost 1.60.0 or newer is now required.

官网地址：https://mkvtoolnix.download

官网更新记录： https://mkvtoolnix.download/doc/NEWS.md

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