#456 Incredibly slow slide change

[Anonymous]

Hi,
I got serious problem with projection. Every slide takes about 10-20 seconds to load or change on second monitor (projector). I'm using last available OpenSong version on laptop with Intel i3 CPU, 6GB RAM running on Win10 Home 64x (clean installation right now). I've tried turn of transitions, but nothing happened. Also tried to change screen resolution, the lowest 800x600 speeds it up to 5 seconds, which is definitely not usable. Problem occures just while using "Projection on projector". Projection with projector/display disconnected works well.

Thanks with help in advance. You can contact me on email strangerdangel@gmail.com

[Stian]

Hi,

We had last sunday the same issue. I found in one of the other older tickets a temporary solution:
https://sourceforge.net/p/opensong/support-requests/179/#05ad

Turning off the text outline and text shaddow in the presentation setting did make it fast again.

Greetings,
Stian

[petrusek]

I am experiencing the same issue on Windows 10 (x64 home) version 1709 build 16299.98 runnning on Asus E502NA (Intel Pentium N4200 & Intel HD Graphics 505).

Better (at least for me) workaround than disabling text outline in opensong is disabling "Smooth edges of screen fonts" on Windows level as suggested in already mentioned thread at https://sourceforge.net/p/opensong/support-requests/179/?limit=25&page=1#157d
and described in detail at https://www.isunshare.com/windows-10/choose-whether-to-smooth-edges-of-screen-fonts-in-windows-10.html - this system-wide setting may have negative impact on rendering of texts in other applications (including opensong itself) but finally makes opensong usable again from performance point of view.

[Ed Palmer]

I am currently testing a couple of things that will address this issue so the workarounds suggested (turning off font smoothing in Windows or border/shadow in OpenSong) will no longer be needed. In part, the fix requires compiling OpenSong with a newer version of the Xojo compiler than was used for the current version of OpenSong. Due to changes in the Xojo language, this means working out some conflicts so that the active members of the dev team who cannot upgrade their copy of Xojo can compile the project.

I will add another post on this thread when something is available for download.

[rdagi]

This issue has been left unresolved for quite some time. It seems, Ed, that you have a potential solution. What is happening with this? I have nearly 10 OpenSong users who will have to change to another presentation software if there Windows presentation machines are upgraded to Windows 10. Disabling "Smooth edges of screen fonts" has too many negative effects to be a viable solution. Could your recompiled version be released as a beta and then work out what version of Xojo is needed for further development later? My goal is to get my users a usable Windows 10 compatible version of OpenSong.

[Vwout]

Hi rdagi, the reason for this to not be resolved quickly is explained in the forums into more technical detail as well as below in this ticket. Ed is one of the most devoted devs, but also his time is limited.

[Ed Palmer]

In addition to "Smooth edges of screen fonts," you can also avoid the issue by not using the outline attribute on the text. As for a new release, I am close to being able to build a similar interim "beta" release like I had to do with the complete show-stopper on the Mac platform. I've been focused on Mac-specific issues, but in a separate branch from the trunk. I'm trying to resolve in a backwards-compatible fashion an issue with file handling so I can merge my changes into the trunk. Believe me, I'm working this as fast as I can given the limited time I have at the moment.

[rdagi]

Thank you for your reply. I totally understand limited time on projects. If I had the programming skills, I would be part of the dev group. Thank you, Ed, for the work you are devoting to OpenSong. I am willing to beta test anything you want to throw my way, if that will help you.

[Ed Palmer]

I've just posted a new build, labeled "V2.2.7" that is built with the newest version of the compiler. This is a snapshot of the trunk code as of the current commit (1074) plus some changes I have to push up to the source code tree. I have builds for Windows and Mac, with Linux to come.

I've been "eating my own dogfood," as the expression goes, at my church for the last several weeks with this compiler version and a similar code base (I have custom changes for our needs, but it is the same drawing code). Please test before using in a service and open tickets with any issues you encounter.

Thanks for your patience!

[Marco Hemmes]

Hi Ed, that sounds very plausible and interesting. Any update you can give? And can you explain why it is not possible for the dev team to upgrade to a newer Xojo version?

[Vwout]

The reason is rather simple: Money. The IDE used to be free for open source development and mildly priced otherwise. Nowadays every major (approx yearly) update costs $299 per developer.

[Anonymous]

In case it helps, I'm seeing the same thing on a dual-Xeon Dell workstation with 8GB and a high-end Nvidia GeForce card, running Win 7 Pro. I know this is an unusual environment, but it was a gift. During the 5s-15s slide-change pause, the CPU usage jumps to 25% and stays there until the new slide appears.

[Anonymous]

While we wait for a fix, people are saying turn off outline and shadow in the font, but not saying how, can anyone point me to where that is done? Mny thanks
Turning off cleartype make the laptop unusable for pretty much anything else.

[petrusek]

Settings / Presentation settings / Style / Default slide style / * Font / uncheck "Border" and "Shaddow" for each active style type.
This setting pretty much forces you to stop using background images with high contrast :( That's why I choose disabling font smoothing instead.

[David Gray]

Hi guys - I installed the latest update and it solved the above problem but created a new one - you can see the next slide faintly behind the currrent slide! So it's one step forward and two steps back...

[Ed Palmer]

Thanks for reporting; I'll take a look at it. Windows 10?

[David Gray]

Yes,Windows 10.

On Fri, 21 Sep 2018 at 16:49, Ed Palmer swampcat@users.sourceforge.net
wrote:

Thanks for reporting; I'll take a look at it. Windows 10?

• [bugs:#456] https://sourceforge.net/p/opensong/bugs/456/ Incredibly
  slow slide change*

Status: open
Group: v2.1.2
Created: Sat Aug 12, 2017 09:29 PM UTC by Anonymous
Last Updated: Fri Sep 21, 2018 03:02 PM UTC
Owner: nobody

Hi,
I got serious problem with projection. Every slide takes about 10-20
seconds to load or change on second monitor (projector). I'm using last
available OpenSong version on laptop with Intel i3 CPU, 6GB RAM running on
Win10 Home 64x (clean installation right now). I've tried turn of
transitions, but nothing happened. Also tried to change screen resolution,
the lowest 800x600 speeds it up to 5 seconds, which is definitely not
usable. Problem occures just while using "Projection on projector".
Projection with projector/display disconnected works well.

Thanks with help in advance. You can contact me on email
strangerdangel@gmail.com

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