https://bugs.kde.org/show_bug.cgi?id=440632
Bug ID: 440632
Summary: Mimetype - MPEG-2 TS and Matroska video files flagged
as audio/vnd.dts.hd
Product: frameworks-kfilemetadata
Version: 5.84.0
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: pinak.ah...@gmail.com
Reporter: tagwer...@innerjoin.org
Target Milestone: ---
SUMMARY:
A MPEG-2 TS or Matroska file, with embedded DTS HD audio, is flagged
as audio/vnd.dts.hd
STEPS TO REPRODUCE:
Download a .m2ts video that has embedded DTS HD audio, check with
xdg-mime query filetype testfile.m2ts
OBSERVED RESULTS
The mimetype is shown as "audio/vnd.dts.hd".
EXPECTED RESULTS
The mimetype is shown as "video/mp2t"
SOFTWARE/OS VERSIONS
Neon Testing
Plasma : 5.22.4
Frameworks : 5.85.0
Qt : 5.15.5
ADDITIONAL INFORMATION
The same affects Matroska files with embedded DTS HD audio
xdg-mime query filetype testfile.mkv
shows a mimetype of "audio/vnd.dts.hd".
Seems to be an issue with the "magic" for the DTS HD entry which has
a priority "60" in freedesktop.org.xml, higher than that for MPEG-2 TS
files (that have a priority of "50") or for Matroska files (that have
the default priority of "50"), potentially also "application/x-matroska"
and "video/webm"
The container files, I suspect, need a higher priority than the DTS HD
audio and the "video/x-matroska" entry should include sufficient "magic"
so that a priority can be specified.
If changing the priority of "video/x-matroska", the
"application/x-matroska" and "video/webm" priorities may also need
changing. I don't have test cases for the full range of formats.
(Issue extracted from Bug 420939)
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