MKVToolnix v32.0.0 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 32.0.0 "Astral Progressions" 2019-03-12

## New features and enhancements

* mkvinfo: when sizes are output the size of the element's data portion is
  output in addition to the element's total size.
* MKVToolNix GUI: info tool: the element's data portion is
  shown as an extra column.
* MKVToolNix GUI: multiplexer: added column "Delay" to the track list
  containing the additional delay to apply during multiplexing. Implements
  #2506.

## Bug fixes

* all: fixed handling of Unicode code points > U+FFFF. Fixes #2516.
* mkvmerge: Windows: mkvmerge was crashing with an exception when trying to
  identify certain files that can be used on Blu-rays (such as MPEG transport
  streams of MPLS play list files) and when the file name was given as a UNC
  path (e.g. `\\servername\sharename\path\to\file.m2ts`). The GUI emitted
  errors such as "the JSON output could not be parsed" in that case. Fixes
  #2507.
* MKVToolNix GUI: the portable mode wasn't detected correctly when the current
  working directory the GUI was started from wasn't the directory the GUI's
  executable file was located it. Examples for when this is the case are
  Windows' "send to" or "open with" functions. Fixes #2501.
* MKVToolNix GUI: multiplexer: using button to change the current destination
  directory to one of the recently used ones did not update the file name
  according to the "make file name unique" setting. Part of the fix of #2519.
* MKVToolNix GUI: multiplexer: the function "set destination file name from
  selected file's name" will now only change the destination file's name but
  not its path. Part of the fix of #2519.

## Build system changes

* libEBML v1.3.7 and libMatroska 1.5.0 are now required as they fix their
  handling of Unicode code points > U+FFFF (see #2516).

# Version 31.0.0 "Dolores In A Shoestand" 2019-02-09

## New features and enhancements

* all programs: added a new option `--abort-on-warnings` that will cause the
  program to abort after it has emitted the first warning, similar to how it
  aborts after the first error. Implements #2493.
* mkvmerge, mkvextract: when closing files that were opened for writing,
  cached data will not be flushed to storage automatically anymore. This
  reverts the workaround implemented for #2469. A new option was added to both
  programs (`--flush-on-close`) that re-enables flushing for people who are
  affected by data loss such as described in #2469.

  The reason is that automatic flushing causes long delays in processing
  queues when the output by mkvmerge/mkvextract isn't the final product but
  just an intermediate result to be processed further.

  Implements #2480.
* MKVToolNix GUI: multiplexer: the dialog previewing different character sets
  for text subtitles will now keep the position of the displayed text when
  switching between character sets. Implements #2489.

## Bug fixes

* mkvmerge: AVI reader: using DV type 1 AVIs will now result in an unsupported
  file type being reported (as the underlying AVI library doesn't support
  them) instead of crashing mkvmerge. Fixes #2491.
* mkvmerge: HEVC: the height of interlaced streams will now be set correctly
  to the height of the full frame instead of the height of a single interlaced
  field. Fixes #2446.
* mkvmerge: MP4 reader: edit lists consisting solely of elements that mkvmerge
  doesn't support (such as dwells) are simply ignored. Before no data was read
  for such tracks at all. Fixes #2487.
* mkvmerge: text subtitles: entries with an explicit duration of 0ms will now
  be handled correctly: the 0ms duration will be stored in Matroska instead of
  the difference between the current and the following entry. Fixes #2490.
* MKVToolNix GUI: multiplexer, chapter editor: fixed drag & drop handling with
  Qt 5.12.0 and newer. Fixes #2472.
* MKVToolNix GUI: multiplexer: the GUI did not clean up temporary files
  created when running `mkvmerge`. Fixes #2499.

## Build system changes

* Qt 5.4.0 or newer has required (up from 5.3.0) since version 30.0.0; I just
  forgot to include this entry.

官网地址：https://mkvtoolnix.download

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

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