https://bugs.kde.org/show_bug.cgi?id=509151
Bug ID: 509151
Summary: Unable to Export Animation with FFmpeg under Windows
CJK Locale
Classification: Applications
Product: krita
Version First nightly build (please specify the git hash!)
Reported In:
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Animation
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
This issue has been observed in all versions I tested, including the
<https://invent.kde.org/graphics/krita/-/tree/bd0a2ffa95c16e27fff4618e1d13fa2aeefa6c8e>
and version 5.2.11.
On Windows with a CJK locale, if the "Beta: Use UTF-8 for worldwide language
support" option in Control Panel -> Region -> Administrative -> Language for
non-Unicode programs is not enabled, Krita fails to execute FFmpeg commands
containing CJK characters, preventing animations from being exported correctly.
In theory, this issue may affect all users with CJK languages. I have only
tested it in a Simplified Chinese environment, where the system default
encoding is GBK rather than UTF-8. Other CJK language environments may use
different encodings.
Problematic characters (original UTF-8): (测试) (Hex: E6 B5 8B E8 AF 95)
Characters actually passed by Krita to Windows (decoded as GBK): (娴嬭瘯)
STEPS TO REPRODUCE
1. Open Krita
2. Open Krita File
3. File -> Render Animation
4. Check "Export as Video" and make sure the export path contains at least one
CJK character, then click "OK" to start the export.
OBSERVED RESULT
Frames exported successfully, but FFmpeg conversion failed.
SOFTWARE/OS VERSIONS
Windows: Windows10 amd64 (Kernel version: 19045.6282) (It seems to have nothing
to do with the Windows version)
ADDITIONAL INFORMATION
FFmpeg logs:
Z:/Krita-Night/bin/ffmpeg.exe -hide_banner -y -y -r 24 -start_number 0
-start_number_range 1 -i C:/Users/SpiritIce/Pictures/frame%04d.png -c:v
libopenh264 -b:v 5000k C:/Users/SpiritIce/Pictures/测试.mp4
=====================================================
Input #0, image2, from 'C:/Users/SpiritIce/Pictures/frame%04d.png':
Duration: 00:00:04.04, start: 0.000000, bitrate: N/A
Stream #0:0: Video: png, rgba(pc, gbr/unknown/unknown), 1756x1240 [SAR
11811:11811 DAR 439:310], 25 fps, 25 tbr, 25 tbn
[out#0/mp4 @ 000002a014696380] Error opening output
C:/Users/SpiritIce/Pictures/测试.mp4: Invalid argument
Error opening output file C:/Users/SpiritIce/Pictures/测试.mp4.
Error opening output files: Invalid argument
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