MKVToolnix v43.0.0 Final x86/x64 多语言中文正式版-MKV封装工具-联合优网

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 v43.0.0 Final x86/x64 多语言中文正式版-MKV封装工具

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 43.0.0 "The Quartermaster" 2020-01-26

## New features and enhancements

* MKVToolNix GUI: using one of the command line options `--info`,
  `--edit-headers` or `--edit-chapters` will make the GUI select the
  corresponding tool on startup even if no further file name is
  given. Implements #2723.
* MKVToolNix GUI: multiplexer: added a setting in the preferences for changing
  the location of the MediaInfo executable for when the user accidentally
  selected the wrong one.

## Bug fixes

* mkvmerge: AVC/h.264 parser: the order of the NALUs before each key frame was
  sometimes wrong: mkvmerge wrote SPS & PPS after SEI NALUs. Now SPS & PPS
  NALUs are always written before the other NALUs. Patch by Torsten
  Hauska. Part of the implementation of #2709 and part of the fix of #2250.
* mkvmerge: AVC/h.264 parser: when additional SPS or PPS NALUs (with IDs that
  haven't been seen so far) are found mid-stream, mkvmerge will prepend all
  following key frames with all current valid SPS & PPS NALUs (just like when
  SPS & PPS NALUs are overwritten mid-stream). Part of the fix of #2250.
* mkvmerge: MPEG TS reader: fixed detection of MPEG-1/2 video tracks
  consisting of very few frames. Fixes #2732.
* mkvmerge: Ogg Opus reader: fixed the handling of Ogg Opus streams that
  contain a just one Ogg page (`mkvmerge` aborted with an exception). Fixes
  #2722.
* MKVToolNix GUI: multiplexer: dragging & dropping XML files with chapters or
  tags to the GUI's window was broken in v42. Instead of adding the file names
  to the appropriate input boxes the GUI was running mkvmerge for file
  identification purposes which then failed. Fixes #2718.

# Version 42.0.0 "Overtime" 2020-01-02

## New features and enhancements

* mkvmerge: added an option for creating byte-identical files:
  `--deterministic `. Part of the implementation of #2698.
* mkvmerge: Matroska reader: mkvmerge will remove the `icpf` atom headers if
  they're present in frames read from Matroska files. Implements #2692.
* mkvmerge: MP4 reader: ALAC tracks: the number of channels, sampling
  frequency and bit depth are now taken from the bitstream in order to fix
  bogus values on the container level. Implements #2714.
* mkvpropedit: when changing track UIDs the referring elements in existing
  chapters & tags will be updated automatically, too. Part of the
  implementation of #2700.
* mkvinfo: when the option `-p`/`--hex-positions` is used, element positions
  will be output regardless of the verbosity level. Part of the implementation
  of #2713.
* mkvinfo: added the option `-P`/`--positions` for showing the position of
  each element in decimal regardless of the verbosity level used. Part of the
  implementation of #2713.
* mkvinfo: added the option `-o`/`--continue` for continuing processing when
  the first cluster is encountered regardless of the verbosity level
  used. Part of the implementation of #2713.
* mkvinfo: added the option `-a`/`--all` for outputting all sub-elements (even
  cues & seek head entries) and not stopping at the first cluster regardless
  of the verbosity level used. Part of the implementation of #2713.
* MKVToolNix GUI: multiplexer: added an option in the preferences for
  disabling adding cover images from Blu-ray discs. Implements #2693.
* MKVToolNix GUI: multiplexer: added mkvmerge's new `--deterministic` option
  in the "additional command-line options" dialog. Part of the implementation
  of #2698.
* MKVToolNix GUI: header editor:: when changing track UIDs the referring
  elements in existing chapters & tags will be updated automatically,
  too. Part of the implementation of #2700.

## Bug fixes

* mkvmerge: HEVC ES parser: fixed a bug in the slice parser calculating the
  size of a field which in turn could have led to the slice's type being read
  wrong. Patch by Torsten Hauska. Fixes #2710.
* mkvmerge: Matroska reader: fixed a segmentation fault when trying to read a
  file that uses header removal compression but no removed bytes are present
  in the track headers. Fixes #2687.
* mkvmerge: MPEG elementary stream parser: fixed an invalid memory access and
  use of uninitialized memory that could happen under certain
  circumstances. Fixes #2690.
* mkvmerge: RealMedia reader: fixed a division by zero when all audio
  timestamps were zero. Fixes #2689.
* mkvmerge: RealMedia reader: fixed an invalid memory access in the video
  frame assembly code triggered by invalid data in the file. Fixes #2691.

## Build system changes

* `std::optional` (C++17 feature) is now used instead of `boost::optional`.
* `std::regex` is now used instead of `boost::regex`.

## Other changes

* New man page translations into French, Italian, Russian and Chinese
  Traditional have been added.

官网地址：https://mkvtoolnix.download

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

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