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List: openjdk-openjfx-dev
Subject: Re: JavaFX 19 - Media object bug
From: Alessandro Mercier <administrator () codedead ! com>
Date: 2022-09-15 16:24:34
Message-ID: CAEN8YAEFUA8MbCGvLH85jm-=eVnenES8G1hMwXJZfCjBoQNYHQ () mail ! gmail ! com
[Download RAW message or body]
Certainly,
A report has been filed.
Kind regards
On Thu, 15 Sep 2022, 18:11 Kevin Rushforth, <kevin.rushforth@oracle.com>
wrote:
> This might be a regression introduced by the fix for
> https://bugs.openjdk.org/browse/JDK-8282054
>
> Can you file a bug at https://bugreport.java.com/ ?
>
> Maybe Alexander can comment further.
>
> -- Kevin
>
>
> On 9/15/2022 8:27 AM, Alessandro Mercier wrote:
>
> Hello all,
>
> After this commit:
>
> https://github.com/openjdk/jfx/commit/d1110f479567c314ecb6848700bcf4552509d7e9
>
> Creating a new Media object using a MP3 file in the resources of a
> project, you can get exceptions:
>
> Exception in thread "JavaFX Application Thread" MediaException:
> MEDIA_UNSUPPORTED : Unrecognized file signature!
> at javafx.media@20-ea/javafx.scene.media.Media.<init>(Media.java:411)
>
> At first glance, the error is in this Locator file in the JavaFX source
> code:
>
> https://github.com/openjdk/jfx/blob/master/modules/javafx.media/src/main/java/com/sun/media/jfxmedia/locator/Locator.java
>
> *Steps to reproduce the bug:*
> 1. Create a new Media object and load an MP3 from the resources
> 2. Watch the Media object throw a MediaException: MEDIA_UNSUPPORTED :
> Unrecognized file signature!
>
> *Example code that produces the bug:*
> final MediaPlayer mediaPlayer = new MediaPlayer(new
> Media(getClass().getResource("/path/to/file.mp3").toExternalForm()));
>
> *Extra:*
> I've made a free MP3 file available to try with here (royalty free):
> https://codedead.com/static.mp3
>
> I've also got a GIT repository in which the exception occurs immediately
> when running the Gradle task 'application':
> https://github.com/CodeDead/opal/tree/development (please make sure to
> use the development branch as this branch makes use of the latest JavaFX
> versions)
>
> Oddly enough, it does not always happen, and loading the file directly
> from a file location instead of the project resources seems to work, but
> when loading from the resources, you get the exception that the media file
> signature is not recognized.
> I don't see a problem with the media files themselves, encoding is all
> fine, at first glance and because it worked in JavaFX 18.0.2, creating a
> Media object using a URI to a project resources location should work in
> newer versions as well, I think. The same MP3 file does work when you load
> it from the disk instead of the project resources so this makes it a bug, I
> believe.
>
> The work-around right now is to revert back to JavaFX version 18.0.2.
>
> *System / OS / Runtime info:*
> Linux Fedora 36
> 5.19.8-200.fc36.x86_64
> openjdk version "18.0.2" 2022-07-19
> OpenJDK Runtime Environment (Red_Hat-18.0.2.0.9-1.rolling.fc36) (build
> 18.0.2+9)
> OpenJDK 64-Bit Server VM (Red_Hat-18.0.2.0.9-1.rolling.fc36) (build
> 18.0.2+9, mixed mode, sharing)
>
> Thank you and kind regards
>
> Alessandro Mercier
> --
> CodeDead Administrator
> https://codedead.com/
>
>
>
[Attachment #3 (text/html)]
<div dir="auto"><div>Certainly,<div dir="auto"><br></div><div dir="auto">A report has \
been filed.</div><div dir="auto"><br></div><div dir="auto">Kind \
regards</div><br><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On \
Thu, 15 Sep 2022, 18:11 Kevin Rushforth, <<a \
href="mailto:kevin.rushforth@oracle.com">kevin.rushforth@oracle.com</a>> \
wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 \
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>
This might be a regression introduced by the fix for
<a href="https://bugs.openjdk.org/browse/JDK-8282054" target="_blank" \
rel="noreferrer">https://bugs.openjdk.org/browse/JDK-8282054</a><br> <br>
Can you file a bug at <a href="https://bugreport.java.com/" target="_blank" \
rel="noreferrer">https://bugreport.java.com/</a> ?<br> <br>
Maybe Alexander can comment further.<br>
<br>
-- Kevin<br>
<br>
<br>
<div>On 9/15/2022 8:27 AM, Alessandro
Mercier wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Hello all,
<div><br>
</div>
<div>After this commit:<br>
<a href="https://github.com/openjdk/jfx/commit/d1110f479567c314ecb6848700bcf4552509d7e9" \
target="_blank" rel="noreferrer">https://github.com/openjdk/jfx/commit/d1110f479567c314ecb6848700bcf4552509d7e9</a><br>
<br>
Creating a new Media object using a MP3 file in the resources
of a project, you can get exceptions:<br>
<br>
Exception in thread "JavaFX Application Thread"
MediaException: MEDIA_UNSUPPORTED : Unrecognized file
signature!<br>
at
<a href="mailto:javafx.media@20-ea/javafx.scene.media.Media" \
target="_blank" rel="noreferrer">javafx.media@20-ea/javafx.scene.media.Media</a>.<init>(Media.java:411)<br>
<br>
At first glance, the error is in this Locator file in the
JavaFX source code:<br>
<a href="https://github.com/openjdk/jfx/blob/master/modules/javafx.media/src/main/java/com/sun/media/jfxmedia/locator/Locator.java" \
target="_blank" rel="noreferrer">https://github.com/openjdk/jfx/blob/master/modules/javafx.media/src/main/java/com/sun/media/jfxmedia/locator/Locator.java</a><br>
</div>
<div><br>
</div>
<div><b>Steps to reproduce the bug:</b></div>
<div>1. Create a new Media object and load an MP3 from the
resources<br>
2. Watch the Media object throw a MediaException:
MEDIA_UNSUPPORTED : Unrecognized file signature!</div>
<div><br>
</div>
<div><b>Example code that produces the bug:</b></div>
<div>final MediaPlayer mediaPlayer = new MediaPlayer(new
Media(getClass().getResource("/path/to/file.mp3").toExternalForm()));<br>
<br>
<b>Extra:</b><br>
I've made a free MP3 file available to try with here (royalty
free):<br>
<a href="https://codedead.com/static.mp3" target="_blank" \
rel="noreferrer">https://codedead.com/static.mp3</a><br> <br>
I've also got a GIT repository in which the exception occurs
immediately when running the Gradle task 'application':<br>
<a href="https://github.com/CodeDead/opal/tree/development" target="_blank" \
rel="noreferrer">https://github.com/CodeDead/opal/tree/development</a> (please make \
sure to use the development branch as this branch makes use of the latest JavaFX \
versions)</div> <div><br>
Oddly enough, it does not always happen, and loading the file
directly from a file location instead of the project resources
seems to work, but when loading from the resources, you get
the exception that the media file signature is not recognized.<br>
</div>
<div>I don't see a problem with the media files themselves,
encoding is all fine, at first glance and because it worked in
JavaFX 18.0.2, creating a Media object using a URI to a
project resources location should work in newer versions as
well, I think. The same MP3 file does work when you load it
from the disk instead of the project resources so this makes
it a bug, I believe.<br>
</div>
<div><br>
</div>
<div>The work-around right now is to revert back to JavaFX
version 18.0.2.</div>
<div><br>
</div>
<div><b>System / OS / Runtime info:</b></div>
<div>Linux Fedora 36<br>
5.19.8-200.fc36.x86_64<br>
openjdk version "18.0.2" 2022-07-19<br>
OpenJDK Runtime Environment
(Red_Hat-18.0.2.0.9-1.rolling.fc36) (build 18.0.2+9)<br>
OpenJDK 64-Bit Server VM (Red_Hat-18.0.2.0.9-1.rolling.fc36)
(build 18.0.2+9, mixed mode, sharing)<br>
</div>
<div>
<div><br>
</div>
<div>Thank you and kind regards</div>
<div><br>
</div>
<div>Alessandro Mercier</div>
-- <br>
<div dir="ltr" data-smartmail="gmail_signature">
<div dir="ltr">
<div>CodeDead Administrator<br>
</div>
<div><a href="https://codedead.com/" target="_blank" \
rel="noreferrer">https://codedead.com/</a></div> <div><br>
</div>
</div>
</div>
</div>
</div>
</blockquote>
<br>
</div>
</blockquote></div></div></div>
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