Feedback Video Player, HTML5/WebGL, and the Browser AutoPlay Setting

ROBYER1 · Apr 23, 2021

GilCat said: ↑

The problem i've seen here is that the actual input events (click, mouseup, etc) are coming straight from the HTML event handlers but rather from Unity internal loop. Safari is picky about that where other browsers are not and to overcome this you will have to defer those events to html events and that will work anywhere.
What i've done in my project was to create jslib plugin for WebGL where i defer the `onouseup`:

Code (CSharp):

var WebGLUtils = {

$JsCall: {},

InputListener_: function(callback) {

console.log("Input received from Unity");

JsCallCs.callback = callback;

document.onmouseup = function() {

document.onmouseup = null;

console.log("Input onmouseup sent from javascript");

Runtime.dynCall('v', JsCall.callback, 0);

}

}

};

autoAddDeps(LibraryJsCallCsTest, '$JsCall');

mergeInto(LibraryManager.library, WebGLUtils);

And in Unity:

Code (CSharp):

public static class WebGLUtils {

[DllImport("__Internal")]

static extern void InputListener_(Action callback);

public static void InputListener(Action callback) {

InputListener_(callback);

}

}

Then your button OnClick listener should call this WebGLUtils.InputListener().
Since you can only have static callback from WebGL you also need to have a static instance of your monobehaviour.
I haven't tried with SendMessage but i assume it will be the same procedure.
Click to expand...

@jukka_j if this just works, why is it not implemented into the engine itself for WebGL?

jukka_j · Apr 29, 2021

The above will only work if the video playback is initiated from within the InputListener callback code. Developers may start video playback from all sorts of code, so if the above workaround was used, it would mean that users would need to refactor their video playback code to always happen from inside a specific section in code.

The intent is to defer the actions the other way around, i.e. to queue the video playback request, and activate it on the next suitable input event. That way general code should work.

Although this issue has unfortunately been sitting in the bug backlog for a while, we have been hard working on Unity 2021.2 update in the WebGL team along with new wasm compiler update and compressed audio and textures support, which has sadly taken priority.

ROBYER1 · Apr 29, 2021

jukka_j said: ↑

The above will only work if the video playback is initiated from within the InputListener callback code. Developers may start video playback from all sorts of code, so if the above workaround was used, it would mean that users would need to refactor their video playback code to always happen from inside a specific section in code.

The intent is to defer the actions the other way around, i.e. to queue the video playback request, and activate it on the next suitable input event. That way general code should work.

Although this issue has unfortunately been sitting in the bug backlog for a while, we have been hard working on Unity 2021.2 update in the WebGL team along with new wasm compiler update and compressed audio and textures support, which has sadly taken priority.
Click to expand...

Thanks for the detailed response, I may have sounded a bit miffed as these bugs came about when we hit the testing phase and the workarounds were a bit of a pain with deadlines looming we had to retest everything loads after to make sure the hacky fix didn't break much else!

Ikaro88 · Jun 14, 2021

gtk2k said: ↑

I don't have an iOS device.
I made a WebGL build with a workaround applied.
(The workaround is the same as @ GilCat's)
Someone please visit this page.
First click the small Start button at the bottom left.
WebGLTestPage
(I'm using a short video.)
Click to expand...

This is cool!
It worked on mac with safari!
Can you share the html code?

Ikaro88 · Jul 10, 2021

Ikaro88 said: ↑

This is cool!
It worked on mac with safari!
Can you share the html code?
Click to expand...

No one can help me about this?

hsallander · Dec 14, 2021

Hi @jukka_j, is this issue issue still in your bug backlog or is there a fix on the horizon? IMO this issue has a much higher impact now since the release of Safari 15 which enables WebGL 2.0 by default.

Thanks!

Ikaro88 · Dec 30, 2022

gtk2k said: ↑

I don't have an iOS device.
I made a WebGL build with a workaround applied.
(The workaround is the same as @ GilCat's)
Someone please visit this page.
First click the small Start button at the bottom left.
WebGLTestPage
(I'm using a short video.)
Click to expand...

this not work on my iphone 12

Ikaro88 · Jan 18, 2023

no solution yet for this????

KamilCSPS · Jan 18, 2023

Ikaro88 said: ↑

no solution yet for this????
Click to expand...

What's the bug report #? Nothing happens until you file one.

Ikaro88 · Jan 21, 2023

KamilDA said: ↑

What's the bug report #? Nothing happens until you file one.
Click to expand...

there were ALREADY one and unity marked as resolved but is NOT SOLVED (you ca find a LOT of thread talking about this)

Example:
https://issuetracker.unity3d.com/issues/webgl-ios-video-is-not-playing-on-ios

https://forum.unity.com/threads/video-not-playing-on-ios-in-webgl.1167161/#post-8739657

KamilCSPS · Jan 23, 2023

And you can also see that it resolved the issue for some but not for others. So it might be another issue at play.

For almost a year after the fix landed, no one complained. You acting as if the last 2 years were in a vacuum and not opening another ticket is on you.

Drop the drama if you want to be taken seriously.

Ikaro88 · Jan 31, 2023

KamilDA said: ↑

And you can also see that it resolved the issue for some but not for others. So it might be another issue at play.

For almost a year after the fix landed, no one complained. You acting as if the last 2 years were in a vacuum and not opening another ticket is on you.

Drop the drama if you want to be taken seriously.
Click to expand...

"For almost a year after the fix landed, no one complained"
Here I see other people complaining before a year, did I read it wrong?
https://forum.unity.com/threads/video-not-playing-on-ios-in-webgl.1167161/#post-8739657

Anyway I will try to open another bug report but usually this not solve the problem (at least did not work for the last 10 years of job using unity)
Since you seems to know how to work inside the Unity company, can you share with me if I have to do extra steps other than just open the bug report?
Thanks for your time

KamilCSPS · Jan 31, 2023

Been using it professionally for almost 13 years. I feel the pain but it's not impossible to get things fixed.

Simple repro project (empty if possible), clean forum post (can reference other threads such as this one), reference existing bug reports that were closed, wait for dev to get attention - if not tag some Unity devs that you see posting this forum.

If QA close the bug or can't repro, contact them to explain why.

Ikaro88 · Jan 31, 2023

KamilDA said: ↑

Been using it professionally for almost 13 years. I feel the pain but it's not impossible to get things fixed.

Simple repro project (empty if possible), clean forum post (can reference other threads such as this one), reference existing bug reports that were closed, wait for dev to get attention - if not tag some Unity devs that you see posting this forum.

If QA close the bug or can't repro, contact them to explain why.
Click to expand...

Thanks for the info, I opened a bug report with the unity hub, but it not give me the # number of the issue opened.
I received an email with this code: IN-30625 is this the code?

Maybe I have to open the bug from some other places?
I also created a new project with unity 2021.3.16, just played a video and still facing the same issue...

I can give you the zip of the project if you can help me

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