2.4.5 upgrade causes waveform display to "crawl"

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selld
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Joined: Thu Mar 22, 2018 7:31 pm
Location: Miami

2.4.5 upgrade causes waveform display to "crawl"

Post by selld »

Just upgraded Amadeus Pro to 2.4.5. Now, during playback with continuous scrolling selected in the preferences, the waveform display does not stay the same and just scrolls. The waveform "crawls" for lack of a better term. All levels across the entire display are constantly changing and do not display the correct waveform as before. If I turn off continuous or turn off display follows playback then I see the display I have come to recognize. I am running OS 10.8.5 on a dual 6-core Xeon Mac Pro with an ATI Radeon HD 5770 graphics card. I was previously running AP version 2.1x. This doesn't happen all the time, but after using the program for a while and only after I zoom in and then back out again.

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Martin Hairer
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2.4.5 upgrade causes waveform display to "crawl"

Post by Martin Hairer »

The waveform display is optimised for computers that support Metal. This basically means computers that are less than about 5-6 years old running macOS 10.11 or later. Older machines or machines with an old operating system (as seems to be your case) fall back to a less precise method for drawing the waveform display which tends not to render all that well at lower zoom levels, which I suspect is what you are seeing.

From what I see on the web, it should in principle be possible to get metal support on your machine, but not with the native GPU, you'd have to get a new GPU supporting metal (and of upgrade the OS to 10.11 or later) which I assume may not be worth it... Regards,

Martin

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selld
Posts: 2
Joined: Thu Mar 22, 2018 7:31 pm
Location: Miami

Post by selld »

I can stop the continuous scrolling and not have the problem, but since I really don't need most of the new features, is it possible for me to downgrade the install to a previous version. If so, how far back would I ned to go and where would I find it?

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Martin Hairer
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2.4.5 upgrade causes waveform display to "crawl"

Post by Martin Hairer »

The last version using the old display engine is version 2.3.1 which is still available at

http://www.hairersoft.com/Downloads/AmadeusPro.2.3.zip

Regards,

Martin

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