https://bugs.kde.org/show_bug.cgi?id=440077
Bug ID: 440077
Summary: When choosing a frame to play from other than 0, the
audio start position seems multiplied by PI
Product: krita
Version: 4.4.5
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Animation
Assignee: krita-bugs-n...@kde.org
Reporter: tehvo...@gmail.com
Target Milestone: ---
SUMMARY
When you add a sound to an animation, you generally do so in order to animate
something in sync with the sound. However, when starting at a frame other than
0, you will start at a different point in the audio at, say, frame 100, than
you would if you started at 0 and waited until reaching frame 100. This
difference seems to be off by PI; that is, if a sound would have occurred at,
say, 32 seconds, starting the animation at frame 100 (approximately 32*PI) will
start the audio at that sound.
STEPS TO REPRODUCE
1. Open an audio file in animation mode, preferably at least 30 seconds, with a
distinct sound.
2. (optional) Slow the frame rate to 1 FPS, to make it simpler to mark down the
frame that the sound occurs.
3. Play the animation from frame 0, marking down the approximate frame that the
sound occurs.
4. Play the animation from the frame that the sound should have occurred. Note
that the sound has not yet been played.
5. Multiply the expected frame by PI, and play from that frame. Note that the
sound occurs (within a margin of error due to rounding).
OBSERVED RESULT
Audio files are played from the wrong location when started from frames > 0
EXPECTED RESULT
Audio files should align to the animation properly, no matter what frame the
animation is started on.
SOFTWARE/OS VERSIONS
Windows: 10
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