TYPO3 Core

I performed tests on TYPO3 8.7.22, 9.5.3 and latest master

My tests:

Test 1¶

1) put on TS Constants:

styles.content.textmedia.maxW = 300
styles.content.textmedia.maxWInText = 150

2) Create a CE Text and Media
3) put in it a "media by URL (e.g. https://www.youtube.com/watch?v=HmZKgaHa3Fg)
4) set Number of Columns = 1

Results¶

On both the cases:
- Position and Alignment: Above,center [0]
- Position and Alignment: Intext, Left [18]

the video box is resized to the dimensions specified in the constants.

Test 2¶

1) put on TS Constants:

styles.content.textmedia.maxW = 600
styles.content.textmedia.maxWInText = 600

2) Create a CE Text and Media
3) put in it a "media by URL (e.g. https://www.youtube.com/watch?v=HmZKgaHa3Fg)
4) set Number of Columns = 1

Results¶

On both the cases:
- Position and Alignment: Above,center [0]
- Position and Alignment: Intext, Left [18]

The video is resized with a width= 480px

Test 3¶

Same as test 2, but I set Width of each element (px) = 900px

Results:¶

Now the video box is resized to the dimensions specified in the constants.

It seems that 480px is a kind of "standard" dimension that is set if no width is specified on the media element field (imagewidth).

I have the same results as you, Riccardo, except test 3.
I think you made a mistake there with the test?
Even if setup the constant as 900, the youtube video width is still 480px.

So that's a TYPO3 bug, or being a standard, we cannot keep the width larger?

@Sergio I repeated my last test on a different TYPO3 installation, brand new.

TS Constants:

styles.content.textmedia.maxW = 600
styles.content.textmedia.maxWInText = 600

- Add media element
- Add media by URL (e.g. https://www.youtube.com/watch?v=4voI_kMl8gs)
- [imagewidth] = 900px
- [imageorient] = above, Center (18)

Maybe I explained myself badly: 900px is a value set in the content element created (Media Adjustments >
Width of each element (px)[imagewidth])

Results:¶

The video box is resized with a width of 600px

About the "magic" 480px value I don't know... I was not able to find where it comes from so far.

Ok, I misunderstood.
I never do my tests setting up the width over the content element. I only change the TypoScript constant.
This is precisely what I'm interested in: where this 480px comes from. It seems that if we setup the constant larger than '480', it doesn't take any effect.

As far as I have seen, the dimensions 480x270 (which are the default dimensions for youtube videos) are written in the database sys_file_metadata table when you create a youtube record.

And is that ok, Riccardo? Or a bug from core?
As far as I can see, dimensions cannot be changed inside metadata of .youtube file through Filelist module in BE.

Honestly, I don't know... sorry

This issue occurs because of the youtube default dimensions in sys_file_metadata. The dimesions are fetched through the youtube oEmbed api (e.g. https://www.youtube.com/oembed?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DIy3AoaEQoyQ&format=json). This api always returns a width of 480px and a height of 270px. So the sys_file_metadata record of a youtube sys_file has always this dimensions.

Online media metadata extractor:
https://github.com/TYPO3/TYPO3.CMS/blob/v9.5.13/typo3/sysext/core/Classes/Resource/OnlineMedia/Metadata/Extractor.php#L87-L92

YouTube helper oembed api call:
https://github.com/TYPO3/TYPO3.CMS/blob/v9.5.13/typo3/sysext/core/Classes/Resource/OnlineMedia/Helpers/YouTubeHelper.php#L100-L107

The rendering of a textmedia content element is based on the sys_file_metadata dimensions. The GalleryProcessor will never calculate bigger dimensions than 480x270px.

GalleryProcessor (used for textmedia content rendering):
https://github.com/TYPO3/TYPO3.CMS/blob/v9.5.13/typo3/sysext/frontend/Classes/DataProcessing/GalleryProcessor.php#L453

Can confirm this with TYPO3 10. The dimensions of a video should not be fetched or should be editable in the BE.