Weird video resize issues

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Weird video resize issues

Postby -g- » 10 May 2010 22:46

OK, I don't know how to call this, a bug, misfeature or what, but I find it quite weird.

Here's the thing, the video resize hotkeys have some weird issues. In particular the 1:1 key (or menu item). Part of the issue seems to have something to do with the video aspect ratio.

I was going to post some pictures, but doing a screen capture doesn't capture the video frame, so I'll try to explain.

Here's an example. I have a 384x480 video with an aspect ratio of 16:9. It seems that pressing the 1:1 hotkey resizes the VLC video frame to the video size in pixels (384x480), while still keeping the video at the 16:9 aspect ratio, which means the video is displayed at about the same size as in the 1:2 mode in order to fit at 16:9 ratio in a 384x480 window.

Video resizing worked fine in VLC 1.0.5.

In a somewhat related issue, if you disable the "Resize interface to video size" in the VLC Preferences, the VLC window won't automatically resize, yet I would expect for the video resize hotkeys to work, but they don't.

[EDIT:] Oh, this happens in both 1.1.0-pre3 and 1.1.0-pre4.

Jean-Baptiste Kempf
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Re: Weird video resize issues

Postby Jean-Baptiste Kempf » 11 May 2010 09:38

Are you cycling aspect-ratio in hotkeys?
Jean-Baptiste Kempf
http://www.jbkempf.com/ - http://www.jbkempf.com/blog/category/Videolan
VLC media player developer, VideoLAN President and Sites administrator
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Re: Weird video resize issues

Postby -g- » 11 May 2010 19:48

No, the Ctrl+1 to Ctrl+4 hotkeys affect only the zoom level, not the aspect ratio. In VLC 1.0.5, pressing Ctrl+3 for this video (384x480, 16:9 aspect ratio) resized the video frame to something like 850x480 for a correct 16:9 aspect ratio. In VLC 1.1.0-pre4, it resizes the frame to 384x480 and displays a small 16:9 video at the center.

It seems that resizing to 1:1 zoom is assuming 1:1 aspect ratio and is ignoring the actual video aspect ratio.

Zooming with the menu entries has the same effect as zooming with the hotkeys.

[EDIT:] I disabled the Accelerated video output option, so now doing a screen capture captures the video frame. This is VLC as the video starts playing:
Image

Now, if I press the 1:2 hotkey:
Image

Now, if I press the 1:1 hotkey:
Image

Now, this is weird, if I press the 1:1 hotkey again:
Image

Jean-Baptiste Kempf
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Re: Weird video resize issues

Postby Jean-Baptiste Kempf » 18 May 2010 22:39

Hello,
I believe all of those issues are fixed in latest nightly builds.
Jean-Baptiste Kempf
http://www.jbkempf.com/ - http://www.jbkempf.com/blog/category/Videolan
VLC media player developer, VideoLAN President and Sites administrator
If you want an answer to your question, just be specific and precise. Don't use Private Messages.

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Posts: 54
Joined: 20 Feb 2007 06:14
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Re: Weird video resize issues

Postby -g- » 19 May 2010 19:15

Great!. Thanks. I'll check it out.


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