MKVToolNix v8.6.1 released

Moritz Bunkus <[email protected]> Sun, 29 Nov 2015 23:02:04 +0100
Newsgroups	gmane.comp.multimedia.matroska.user
Message-ID	<[email protected]>
Hey,

Just one day later, another release of MKVToolNix: v8.6.1. I'm
therefore including and extending the previous announcement.

Like the previous couple of releases this one focuses on bug fixes
primarily. However, it also introduces one interesting new feature
with support output mkvmerge's identification result as JSON for
improved scripting.

There's also an important change breaking backwards compatibility:
text files created by the tools (e.g. chapters extracted with
mkvextract or redirected output of any of the tools) won't start with
a byte order mark (BOM) anymore, even if they're encoded in one of the
UTF-* encodings. Back in the day people believed that text files would
be encoded primarily in UTF in the future and that distinguishing
between those formats automatically with a byte order mark seemed sensible.

Reality has shown that things turned out differently: text files are
overwhelmingly encoded in UTF-8 if they originate on Linux/Unix/Mac OS
and in Windows' local encoding otherwise. Writing byte order marks
isn't recommended anymore anyway.

This is an experimental change in so far as I'm willing to reverse it
if enough people speak out for keeping the BOMs. So if you have
legitimate concerns about this then please drop me a line.

An important change for package maintainers is that gcc 4.8.0 or
newer/clang 3.4 or newer is now required for compilation due to the
(header-only) library used for generating the JSON output. This
concerns CentOS 6 and Debian 7 "wheezy" for which I don't offer
binaries anymore as a consequence.

Here are the usual links:

…to the source code: http://mkvtoolnix.download/source.html
…to the binaries: http://mkvtoolnix.download/downloads.html

The Windows and Mac OS binaries are available. Most of the Linux
binaries are still being built and will be available in a couple of
hours.

Here's the full ChangeLog since v8.5.2:

----------------------------------------------------------------------
2015-11-29  Moritz Bunkus  <[email protected]>

        * Released v8.6.1.

        * mkvpropedit, GUI's chapter & header editors bug fix: in certain
        situations the modified file would not contain a seek head before
        the first cluster anymore resulting in most players not finding
        elements such as attachments or the index located at the end of
        the file anymore. Fixes #1513.

        * mkvmerge: bug fix: the change to do a deeper file analysis if no
        seek head was found was causing huge increases in file type
        detection time as popular tools like x264 don't write seek
        heads. The way elements at the end are searched has been changed
        to only scan the last 5 MB of the file instead of iterating over
        every level 1 element from the beginning of the file.

2015-11-28  Moritz Bunkus  <[email protected]>

        * Released v8.6.0.

        * all: change: none of the tools will write a byte-order mark
        (BOM) to text files encoded any of the UTF-* schemes anymore.

2015-11-25  Moritz Bunkus  <[email protected]>

        * mkvmerge: Matroska reader bug fix: the info about which
        packetizer is used was output twice for each HEVC track. Fixes
        #1522.

        * MKVToolNix GUI: bug fix: implemented a workaround for a bug in
        Qt which caused the GUI not to start anymore due to failing to
        detect a stale lock file if the GUI had crashed before on a
        computer with a host name that included non-ASCII characters. See
        https://bugreports.qt.io/browse/QTBUG-49640

2015-11-22  Moritz Bunkus  <[email protected]>

        * mkvmerge: bug fix: a track's number of bits per audio sample
        wasn't output in verbose identification mode even if it was
        present in the file.

        * mkvmerge: enhancement: if no seek head is found before the first
        cluster when reading Matroska files then mkvmerge will attempt a
        deeper scan of all elements in the file in order to find track
        headers, attachments, chapters and tags located at the end of the
        file. See #1513 for the rationale.

2015-11-21  Moritz Bunkus  <[email protected]>

        * MKVToolNix GUI: header editor bug fix: the "status" description
        wasn't adjusting its height properly resulting in its text being
        cut off. Fixes #1517.

        * MKVToolNix GUI: bug fix: the program changes its working
        directory to the user's profile/home directory on startup allowing
        the removal of its installation folder even if a program started
        by the GUI (e.g. a web browser) is still running. Fixes #1518.

        * ebml_validator: bug fix: elements with an unknown size weren't
        handled correctly.

        * build system: fixed building and linking against libEBML and
        libMatroska if they're installed in a non-standard location.

        * mkvpropedit, MKVToolNix GUI's chapter and header editors: the
        tools were unable to update elements in files without a seek head
        present. Fixes #1516.

2015-11-15  Moritz Bunkus  <[email protected]>

        * mkvmerge: bug fix: fixed two issues causing mkvmerge to write
        invalid data when updating track headers caused by the fix for
        "Re-rendering track headers: data_size != 0 not implemented
        yet". Fixes #1498.

        * all: MKVToolNix now requires gcc 4.8.0 or later or clang 3.4 or
        later for compilation.

2015-11-14  Moritz Bunkus  <[email protected]>

        * MKVToolNix GUI: bug fix: the options for linking to the
        next/previous segment UID were wrong. Fixes #1511.

2015-11-10  Moritz Bunkus  <[email protected]>

        * mkvmerge: enhancement: added JSON as an output format for file
        type identification. It can be activated with
        "--identification-format json --identify yourfile.ext" (or their
        short counterparts "-F json -i yourfile.ext").

2015-11-09  Moritz Bunkus  <[email protected]>

        * mkvmerge: bug fix: the VC-1 handlig code was duplicating the
        first sequence headers with each mux. Fixes #1503.

2015-11-08  Moritz Bunkus  <[email protected]>

        * build system: bug fix: configure was checking for and using
        libintl if --without-gettext was used. Fixes #1501.
----------------------------------------------------------------------

Have fun.

Kind regards,
mosu

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