MKVToolNix v28.0.0 釋出，MKV 視訊編輯工具軟體

摘要： MKVToolNix v28.0.0釋出了 ，這是首個支援 AV1 的穩定版本。mkvmerge 可從 Matroska/WebM, MP4, IVF 容器檔案和原始 OBU 流中讀取它。mkvextract 會將其解壓到 IVF 檔案。除此之外就是一些 bug 修復，以及對可用性進...

MKVToolNix v28.0.0ofollow,noindex">釋出了 ，這是首個支援 AV1 的穩定版本。mkvmerge 可從 Matroska/WebM, MP4, IVF 容器檔案和原始 OBU 流中讀取它。mkvextract 會將其解壓到 IVF 檔案。除此之外就是一些 bug 修復，以及對可用性進行了改進。

其他一些變更

新特性和功能增強

• mkvmerge: AV1 parser: updated the code for the finalized AV1 bitstream

  specification. Part of the implementation of #2261 .

• mkvmerge: AV1 packetizer: updated the code for the finalized AV1-in-Matroska

  & WebM mapping specification. Part of the implementation of #2261 .

• mkvmerge: AV1 support: the--engage enable_av1 option has been removed

  again. Part of the implementation of #2261 .

• mkvmerge: MP4 reader: added support for AV1. Part of the implementation of

  #2261 .

• mkvmerge: DTS: implemented dialog normalization gain removal for extension

  substreams. Implements #2377 .

• mkvmerge, mkvextract: simple text subtitles: added a workaround for simple

  text subtitle tracks that don’t contain a duration. Implements #2397 .

• mkvextract: added support for extracting AV1 to IVF. Part of the

  implementation of #2261 .

• mkvextract: IVF extractor (AV1, VP8, VP9): precise values will be used for

  the frame rate numerator & denominator header fields for certain well-known

  values of the track’s default duration.

• mkvmerge: VP9: mkvmerge will now create codec private data according to the

  VP9 codec mapping described in the WebM specifications. Implements #2379 .

• MKVToolNix GUI: automatic scaling for high DPI displays is activated if the

  GUI is compiled with Qt ≥ 5.6.0. Fixes #1996 and #2383 .

• MKVToolNix GUI: added a menu item ("Help" → "System information") for

  displaying information about the system MKVToolNix is running on in order to

  make debugging easier.

• MKVToolNix GUI: multiplexer, header editor: the user can enter a list of

  predefined track names in the preferences. She can later select from them in

  "track name" combo box. Implements #2230 .

Bug 修復

• mkvmerge: JSON identification: fixed a bug when removing invalid UTF-8 data

  from strings before they’re output as JSON. Fixes #2398 .

• mkvmerge: MP4/QuickTime reader: fixed handling of PCM audio with FourCC

  in24 . Fixes #2391 .

• mkvmerge: MPEG transport stream reader, teletext subtitles: the decision

  whether or not to keep frames around in order to potentially merge them with

  the following frame is made sooner. That avoids problems if there are large

  gaps between teletext subtitle frames which could lead to frames being

  interleaved too late. Fixes #2393 .

• mkvextract: IVF extractor (AV1, VP8, VP8): the frame rate header fields

  weren’t clamped to 16 bits properly causing wrong frame rates to be written

  in certain situations.

• mkvpropedit, MKVToolNix GUI’s header editor: fixed file corruption when a

  one-byte space must be covered with a new EBML void element but all

  surrounding elements have a "size length" field that’s eight bytes long

  already. Fixes #2406 .

詳細更新內容請檢視釋出主頁 。

MKVToolNix（又叫 Matroska toolkit）是一套功能強大的 mkv(Matroska) 格式製作和處理的工具，支援將多種視訊、音訊、字幕等格式封裝成 mkv 格式。