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NEWS: re-order for easier consumption

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Moritz Bunkus 2021-10-10 12:27:29 +02:00
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## New features and enhancements
* MKVToolNix GUI: chapter editor: removed the support for explicitly setting
the legacy country elements. Instead the legacy country elements are derived
from the region parts of the IETF BCP 47 languages. Part of the
implementation of #3193.
* GUI: multiplexer: when adding new files as attachments the GUI checks if
there are other attachments with the same name. If so, the GUI would ask
whether to skip the affected files or add them anyway. There's now an option
in the preferences to always skip such files, and it's enabled by
default. Implements #3213.
* mkvmerge, mkvpropedit: chapters: both programs will now write elements set
to their default value, too (e.g. the legacy language element if it's set to
`eng`). This is done to be more consistent with how MKVToolNix GUI writes
chapters. Implements #3210.
* MKVToolNix GUI: multiplexer: when adding new files as attachments the GUI
checks if there are other attachments with the same name. If so, the GUI
would ask whether to skip the affected files or add them anyway. There's now
an option in the preferences to always skip such files, and it's enabled by
default. Implements #3213.
* MKVToolNix GUI: chapter editor: removed the support for explicitly setting
the legacy country elements. Instead the legacy country elements are derived
from the region parts of the IETF BCP 47 languages. Part of the
implementation of #3193.
## Bug fixes
* mkvmerge: fixed a crash when splitting by chapters is enabled but there are
no chapters at all. Part of the fix of #3198.
* mkvmerge: the error message when trying to split by a chapter number that
doesn't exist contained the wrong number of chapters that actually do
exist. Part of the fix of #3198.
* mkvmerge: AVC ES parser: fixed mkvmerge aborting due to uncaught exception
when encountering bad SPS data. Part of the fix of #3176.
* mkvmerge: AVC/H.264 parser: re-added the hack `--engage
all_i_slices_are_key_frames` which was accidentally removed in release v61.
* mkvmerge: AVI reader: fixed a crash trying to allocate too big of a memory
chunk due to an integer overflows in check conditions. Part of the fix of
#3176.
* mkvmerge: HEVC ES parser: fixed another issue with frame type
recognition. Certain frames were marked as B frames/discardable on the
container level even though they could be reference pictures. Now only SLNR
pictures (sub-layer non-reference) are marked that way. Fixes #3192.
* mkvmerge: HEVC ES reader: improved file content detection for HEVC ES files
with wrong file name extensions (e.g. `.mkv`), which fixes them being
mis-detected as something else, e.g. DTS. Fixes #3201.
* mkvmerge: HEVC ES parser: "end of sequence" NALUs are kept now, and no
superfluous flushing will be done when one is found. This prevents splitting
NALUs into two different Matroska blocks when they should really be part of
a single one, also causing problems with erroneous timestamps. Mostly
affects DoVi NALUs. Fixes #3202.
* mkvmerge: Matroska reader, TrueHD: mkvmerge will now probe much more TrueHD
frames trying to find the first sync frame. This fixes track detection in
situations when a TrueHD doesn't start with a sync frame, e.g. when the
source file's the result of splitting between sync frames.
* mkvmerge: AVC/H.264 parser: re-added the hack `--engage
all_i_slices_are_key_frames` which was accidentally removed in release v61.
* mkvmerge, MKVToolNix GUI's chapter editor: IETF BCP 47/RFC 5646 language
tags: when reading chapters from MPLS playlist files, the `ChapLanguageIETF`
element will now be set to the configured default chapter language, not just
@ -39,28 +61,6 @@
* mkvmerge, mkvpropedit, MKVToolNix GUI's chapter editor: Legacy country
elements are now created when IETF BCP 47 elements are present & contain a
region code allowed in legacy country elements. Part of the fix of #3193.
* mkvmerge: fixed a crash when splitting by chapters is enabled but there are
no chapters at all. Part of the fix of #3198.
* mkvmerge: the error message when trying to split by a chapter number that
doesn't exist contained the wrong number of chapters that actually do
exist. Part of the fix of #3198.
* mkvmerge: AVI reader: fixed a crash trying to allocate too big of a memory
chunk due to an integer overflows in check conditions. Part of the fix of
#3176.
* mkvmerge: AVC ES parser: fixed mkvmerge aborting due to uncaught exception
when encountering bad SPS data. Part of the fix of #3176.
* mkvmerge: HEVC ES parser: fixed another issue with frame type
recognition. Certain frames were marked as B frames/discardable on the
container level even though they could be reference pictures. Now only SLNR
pictures (sub-layer non-reference) are marked that way. Fixes #3192.
* mkvmerge: HEVC ES reader: improved file content detection for HEVC ES files
with wrong file name extensions (e.g. `.mkv`), which fixes them being
mis-detected as something else, e.g. DTS. Fixes #3201.
* mkvmerge: HEVC ES parser: "end of sequence" NALUs are kept now, and no
superfluous flushing will be done when one is found. This prevents splitting
NALUs into two different Matroska blocks when they should really be part of
a single one, also causing problems with erroneous timestamps. Mostly
affects DoVi NALUs. Fixes #3202.
## Build system changes