AW: LC 8 Random crash with QT set the filename of player on OS X

Tiemo Hollmann TB toolbook at kestner.de
Mon Jun 6 05:08:58 EDT 2016


Hi Monte,

I filed a bug report, but I could reproduce it only in my complex live stack and not in a test stack with a handy recipe.
It is LC 8.0 and yes it is QT. I know about all the QT hassles and have waited for years for a solution from Edinburgh.

My main product includes about 20000 videos, which I have compressed 7 years ago with a Sorenson codec, which is not supported by AVFoundation and on Windows we don't have a LC productive release with the new player yet.

Even if LC 8.1 is released, I can't create just a program update for my customers, because of the non supported codec, I have to supply complete new videos (about 8GB), so I can't make a  only update for my product, actually It has to be a major version upgrade, shipping again on DVD. Even if I will have some day compressed all 20000 videos with a new codec (yes I have batch compressor from Sorenson) I have to develop an upgrade strategy for all my customers. All in all it will probably take me a year from now on, until I got rid of QT.

It is especially annoying for me, that I have a new product, which is shortly before shipping, which I also only could develop depending on QT, because this product depends on the same 20000 videos being installed on the users machines and there was no alternative.

">  - QT can not be supported on Mac 64 bit"
What does this mean exactly? I have an iMac with a Intel Core i5 processor and I thought up to now, it would run as 64 bit. I don't find any system information about 32/64 bit. But QT is running fine on this machine and I haven't had any complains about Mac users up to now. What does this mean? Where can I check, if my system is running in 32 or 64 bit?

Thanks
Tiemo





-----Ursprüngliche Nachricht-----
Von: use-livecode [mailto:use-livecode-bounces at lists.runrev.com] Im Auftrag von Monte Goulding
Gesendet: Samstag, 4. Juni 2016 02:37
An: How to use LiveCode <use-livecode at lists.runrev.com>
Betreff: Re: LC 8 Random crash with QT set the filename of player on OS X

If there’s a reliable crash please post a bug report with the crash log and we can symbolicate it and try and resolve it. It would also be interesting to know which version of LC you are using and whether the crash happens with an AVFoundation player (using a different movie of course). 

Having said that what worries me the most about this conversation is the use of QuickTime. One of my tasks this sprint is to document and clarify the use of dontUseQT and also remove the IDE preference to load QT automatically as it is too dangerous to leave that preference from old versions of LiveCode active.

Here’s the current status:

 - QT hasn’t been supported by Apple for years
 - QT has security warnings to uninstall from Windows
 - QT can not be supported on Mac 64 bit

It is basically a bomb in your app waiting to go off so we should be encouraging everyone mentioning the use of QuickTime to re-encode unsupported videos as a high priority.

Cheers

Monte
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