playrate & templateimage

Klaus major-k klaus at
Thu Mar 31 08:31:55 EDT 2022

Hi Paul,

> Am 31.03.2022 um 14:23 schrieb Paul Dupuis via use-livecode <use-livecode at>:
> On 3/31/2022 3:40 AM, Klaus major-k via use-livecode wrote:
>>> ...
>> Well, that is the point, the PITCH does NOT change, only the speed of the playback,
>> and even you might to be able to hear that. :-D
> Okay, I made a test stack with a player and a slider with playRate from -2 to +2, current Thumb position 1 that on scrollBarDrag set the playRate to the thumbPosition and opened a mp4 video a tested.
> 1) Under LC 9.6.6, changing the playRate can cause LC to hang, whether the video is playing or paused. Not every time, but some of the times it would just pop up an endless spinning windows cursor ball and Windows would declare that LiveCode 9.6.6. was "not responding" and a forced quit would be required.
> 2) When it did work, I was able to change the playRate to 1.2 or 1.4 and while the video sped up, apparently my ears are better than I thought, as even I could tell the pitch got higher (the people's voices got higher pitched and "squeaky")
> Windows 10 (latest build) LiveCode 9.6.6 STABLE.

thank you very much for testing!

So apparently it does not work on Windows as it does on a Mac, and thus currently not usable for me.



Klaus Major
klaus at

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