Size flickering when adjusting brightness on computer
Posted: 06 Jul 2018 09:35
Whenever I adjust the brightness on my computer, the size of my video screen switches around rapidly a couple times and then stops.
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Size flickering when adjusting brightness on computer
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Re: Size flickering when adjusting brightness on computer
Posted: 10 Jul 2018 14:45
What version of VLC are you using? What version of OS X also? Adusting the brightness via your Mac should have no effect on a playing video other than to change the brightness. It wouldn't change the input size in any way of any video. Also, are you sing the brightness slider in the OS X system preferences, or changing it using something else?
Re: Size flickering when adjusting brightness on computer
Posted: 15 Jul 2018 04:44
VLC: 3.0.3 Vetinary (Intel 64 Bit)
OSX: 10.3.4
It's been doing it for a few weeks now. Even after I updated to the most current version (at the time I started noticing it at least).
I am using the brightness keys on my keyboard. But it does it when I use the slider in the settings menu as well.
It only seems to do it on my secondary monitor though. When I move the window back to my main monitor, it doesn't do it.
If VLC is windowed and not in full screen, it stretches horizontally.
It never used to do this. Just started a month or two ago.
OSX: 10.3.4
It's been doing it for a few weeks now. Even after I updated to the most current version (at the time I started noticing it at least).
I am using the brightness keys on my keyboard. But it does it when I use the slider in the settings menu as well.
It only seems to do it on my secondary monitor though. When I move the window back to my main monitor, it doesn't do it.
If VLC is windowed and not in full screen, it stretches horizontally.
It never used to do this. Just started a month or two ago.
Re: Size flickering when adjusting brightness on computer
Posted: 15 Jul 2018 14:15
Since a macOS update?
Re: Size flickering when adjusting brightness on computer
Posted: 16 Jul 2018 15:59
It's possible. I can't remember when I updated to High Sierra.Since a macOS update?
But i updated VLC recently too.
Re: Size flickering when adjusting brightness on computer
Posted: 17 Jul 2018 09:31
It's possible. I can't remember when I updated to High Sierra.Since a macOS update?
But i updated VLC recently too.
You adjust with the keyboard, right?
Re: Size flickering when adjusting brightness on computer
Posted: 19 Jul 2018 06:29
Typically, keyboard, yes. But it happens when I adjust it in the preferences as well.It's possible. I can't remember when I updated to High Sierra.Since a macOS update?
But i updated VLC recently too.
You adjust with the keyboard, right?
Re: Size flickering when adjusting brightness on computer
Posted: 19 Jul 2018 06:31
It looks like it's going from the default screen size of the video, and stretching to fill the entire screen.
It happens on non widescreen videos too. Like old TV shows or recordings made for TV. Only instead of stretching vertically, it stretches horizontally.
It happens on non widescreen videos too. Like old TV shows or recordings made for TV. Only instead of stretching vertically, it stretches horizontally.
Re: Size flickering when adjusting brightness on computer
Posted: 20 Jul 2018 12:24
Very weird.
Re: Size flickering when adjusting brightness on computer
Posted: 22 Jul 2018 06:29
I'm also experiencing this same issue. Just updated to 3.0.3 this evening from a bit older version ( 2.2.8 ) on Mac 10.11.6
Full screen video flickering and resizing vertically when adjusting screen brightness. It also flickers on this manner for several seconds when going from window to fullscreen.
Full screen video flickering and resizing vertically when adjusting screen brightness. It also flickers on this manner for several seconds when going from window to fullscreen.
Re: Size flickering when adjusting brightness on computer
Posted: 25 Jul 2018 07:46
Same here on an iMac. I've already posted about it after version 3 came in.
On the newest version, the flickering started happening by itself sometimes. 3-4 times in a 45mn video. Have to leave full screen and go back to it to make it normal again.
No problem on version 2.2.8 though.
On the newest version, the flickering started happening by itself sometimes. 3-4 times in a 45mn video. Have to leave full screen and go back to it to make it normal again.
No problem on version 2.2.8 though.
Re: Size flickering when adjusting brightness on computer
Posted: 28 Jul 2018 19:20
So… the developers don't care or what?
Re: Size flickering when adjusting brightness on computer
Posted: 02 Aug 2018 02:04
I have been seeing this flickering also.
In my case, the image flickers pretty badly for 2-4 seconds at the beginning of playback, and when windowed/fullscreen display is toggled.
I just confirmed now that I'm seeing a similar flicker when I adjust the brightness via the keyboard.
I am running VLC v3.0.3 on Mac OS 10.12.6.
When I run VLC from the command line with increased verbosity, I see the following repeated entries whenever the flickering is happening:
There are roughly 100+ of these messages that get logged at a time, whenever the flicker is ongoing.
In my case, the image flickers pretty badly for 2-4 seconds at the beginning of playback, and when windowed/fullscreen display is toggled.
I just confirmed now that I'm seeing a similar flicker when I adjust the brightness via the keyboard.
I am running VLC v3.0.3 on Mac OS 10.12.6.
When I run VLC from the command line with increased verbosity, I see the following repeated entries whenever the flickering is happening:
Code: Select all
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff77f91f8f0] main video output debug: picture might be displayed late (missing 1 ms)
[00007ff781905e40] main vout display debug: auto hiding mouse cursor
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
[00007ff781905e40] main vout display debug: VoutDisplayEvent 'resize' 5120x2880
Re: Size flickering when adjusting brightness on computer
Posted: 07 Aug 2018 22:15
Is there any update for this? Or a work around?
Re: Size flickering when adjusting brightness on computer
Posted: 04 Sep 2018 22:08
I have the same issue on a 2017 iMac 5K, but only when I have an additional screen connected (using a USB-C to HDMI adapter). Disconnecting the second screen appears to 'fix' the issue for me. I wonder if it's because the external screen is not retina, unlike the built-in one.
On top of that, VLC 3 seems to be able to bring all of macOS to a freeze pretty often, which I have never seen with any other software. I just had to force a reboot via ssh because, after opening a video (following the suggested upgrade to VLC 3), the whole GUI became completely unresponsive and I had no other choice.
On top of that, VLC 3 seems to be able to bring all of macOS to a freeze pretty often, which I have never seen with any other software. I just had to force a reboot via ssh because, after opening a video (following the suggested upgrade to VLC 3), the whole GUI became completely unresponsive and I had no other choice.
Re: Size flickering when adjusting brightness on computer
Posted: 14 Sep 2018 04:49
If it is not a problem with the graphics card, I think it is overheating.
Re: Size flickering when adjusting brightness on computer
Posted: 25 Sep 2018 07:04
I have a dual screen too. Cinema Display 23", like the 2003 model IIRC.I have the same issue on a 2017 iMac 5K, but only when I have an additional screen connected (using a USB-C to HDMI adapter). Disconnecting the second screen appears to 'fix' the issue for me. I wonder if it's because the external screen is not retina, unlike the built-in one.
On top of that, VLC 3 seems to be able to bring all of macOS to a freeze pretty often, which I have never seen with any other software. I just had to force a reboot via ssh because, after opening a video (following the suggested upgrade to VLC 3), the whole GUI became completely unresponsive and I had no other choice.
I've had it for about two years, and it never did this before. Only with a recent upgrade did it do it.
Re: Size flickering when adjusting brightness on computer
Posted: 25 Sep 2018 11:08
I really doubt that, in my case it's a Radeon Pro 580 with 8 GB of VRAM and it would be quite sad if opening a 640x480 video made it overheat...If it is not a problem with the graphics card, I think it is overheating.
Can you test whether it also happens after disconnecting the second screen?I have a dual screen too. Cinema Display 23", like the 2003 model IIRC.
I've had it for about two years, and it never did this before. Only with a recent upgrade did it do it.
Re: Size flickering when adjusting brightness on computer
Posted: 06 Nov 2018 06:42
Well, if I disconnect the second screen, I won't be able to see VLC. I use VLC on the second screen. That's my issue.
But it doesn't happen on my primary screen anyway. So that's not my problem.
But it doesn't happen on my primary screen anyway. So that's not my problem.
Re: Size flickering when adjusting brightness on computer
Posted: 13 Apr 2019 22:17
Same thing happens to me.. still not fixed after three minor revisions, incredibly annoying! Especially when auto brightness is enthousiastically managing my brightness on a cloudy day xD
I tried it with and without an external monitor. Fullscreen and windowed VLC player. All permutations flicker when brightness is adjusted. Either manually or via the brightness sensor.
27" iMac OSX 10.14.3
AMD Radeon R9 M395X 4096 MB
VLC v3.0.6
I tried it with and without an external monitor. Fullscreen and windowed VLC player. All permutations flicker when brightness is adjusted. Either manually or via the brightness sensor.
27" iMac OSX 10.14.3
AMD Radeon R9 M395X 4096 MB
VLC v3.0.6
Re: Size flickering when adjusting brightness on computer
Posted: 16 Apr 2019 09:12
It means we receive an update from the GPU driver telling us to redraw. But there is nothing to redraw...
Re: Size flickering when adjusting brightness on computer
Posted: 16 Apr 2019 13:41
I... have no idea what you're saying, nor do I know how to prevent this. 
Especially since I've used VLC for ages and this problem only popped up since more recent versions.
Looking at your sig, you're developing VLC so if you need anything to help debugging, identifying or whatever: I'll be happy to help in sending you extra data you need.
Especially since I've used VLC for ages and this problem only popped up since more recent versions.
Looking at your sig, you're developing VLC so if you need anything to help debugging, identifying or whatever: I'll be happy to help in sending you extra data you need.
Re: Size flickering when adjusting brightness on computer
Posted: 16 Aug 2019 13:19
Hi, this should have been fixed with 3.0.7.1, does it still happen?
Re: Size flickering when adjusting brightness on computer
Posted: 19 Aug 2019 22:13
Hi, this should have been fixed with 3.0.7.1, does it still happen?
It still happens with 3.0.7.1 on my new 2019 iMac 27" (i9-9900K / Radeon Pro Vega 48), when:
- In full-screen mode, or a windowed mode where the window size is larger than the video size, AND
- The display brightness is set to ~75% or higher.
Re: Size flickering when adjusting brightness on computer
Posted: 21 Aug 2019 15:52
Would it be possible to record a video of the issue happening?