player seems to report wrong video resolution

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florinandrei
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player seems to report wrong video resolution

Postby florinandrei » 13 Aug 2017 10:01

You can download the video here:

https://drive.google.com/open?id=0Bx7jD ... lJVNUdiS3M

It was made with a Panasonic HC-V380K camera.

Windows 10 reports that the resolution is 1920 x 1080. MeGUI does the same. Same with Sony Movie Studio Platinum 13.

VLC 2.2.6, if I go to Tools / Codec Information, says the resolution is 1920 x 1090. This doesn't make any sense. It's not a standard resolution. What's really going on here? Is it a bug?

Rémi Denis-Courmont
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Re: player seems to report wrong video resolution

Postby Rémi Denis-Courmont » 13 Aug 2017 19:52

You are probably not looking at the correct field. That would actually make sense as buffer size.
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florinandrei
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Re: player seems to report wrong video resolution

Postby florinandrei » 14 Aug 2017 00:46

Is this the correct field?

Image

Rémi Denis-Courmont
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Re: player seems to report wrong video resolution

Postby Rémi Denis-Courmont » 14 Aug 2017 16:05

No, display resolution is the correct one.
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florinandrei
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Re: player seems to report wrong video resolution

Postby florinandrei » 14 Aug 2017 22:38

Could we get more descriptive labels for those fields, please? They are a bit confusing.

Look at it this way. You're not a VLC developer. You're reasonably familiar with software in general, video, and computer graphics, but you know nothing about VLC's internal details.

You are using a computer with a display resolution of 1920 x 1080. You open a video file in VLC and examine the Current Media Information window.

It says "display resolution: 1920 x 1080" and you think "yes, the display of my computer is indeed 1920 x 1080". That's the first thing that pops in your mind.

It says "resolution: 1920 x 1090". That's it. Just "resolution", without any qualifier. Since this is a window about the parameters of the video, and the other line containing the word "resolution" also contains the word "display", you conclude that this is the actual video resolution. You're wrong, but this is the reasonable conclusion you've drawn from the available information.

Perhaps the line labeled "display resolution" should actually be called "displayed resolution"? The former refers to an object; the latter refers to the process of the video being displayed, which I believe is what you really mean. Or call it "playing at resolution: 1920 x 1080".

Unless I'm wrong and that line refers to the actual resolution of the video track in the file, in which case it should be called "video resolution" or something similar.

The line labeled simply "resolution" should be relabeled. There are many different resolutions, please specify the one you're talking about.

---

There are many users, myself included, who use VLC as a quick diagnostic tool to determine the resolution of a video file. Sometimes I only open VLC for a few seconds, literally for the sole purpose of determining a video's resolution. It would be great if the app was more clear in this regard.

Finally, the way the menus are labeled, it suggests the window in the screenshot above contains information strictly related to the video itself. But suddenly you're showing the user other kinds of information, not related to the video file itself, but to the internal state of VLC. This adds to the confusion.

What I'm trying to say is - do not look at this as a technical issue. Look at it as a user interface issue. I'm sure everything VLC is doing now is technically correct, but the UI part can be a bit misleading for your average user who is not a VLC coder.


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