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    <body><span class="vcard"><a class="email" href="mailto:mario&#64;webkit.org" title="Mario Sanchez Prada &lt;mario&#64;webkit.org&gt;"> <span class="fn">Mario Sanchez Prada</span></a>
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              <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [GStreamer] Can't play any video with GSTREAMER_GL enabled"
   href="https://bugs.webkit.org/show_bug.cgi?id=162669">bug 162669</a>
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           <td style="text-align:right;">Attachment #290334 Flags</td>
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               &nbsp;
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           <td>review?
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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [GStreamer] Can't play any video with GSTREAMER_GL enabled"
   href="https://bugs.webkit.org/show_bug.cgi?id=162669#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [GStreamer] Can't play any video with GSTREAMER_GL enabled"
   href="https://bugs.webkit.org/show_bug.cgi?id=162669">bug 162669</a>
              from <span class="vcard"><a class="email" href="mailto:mario&#64;webkit.org" title="Mario Sanchez Prada &lt;mario&#64;webkit.org&gt;"> <span class="fn">Mario Sanchez Prada</span></a>
</span></b>
        <pre>Created <span class=""><a href="attachment.cgi?id=290334&amp;action=diff" name="attach_290334" title="Patch proposal">attachment 290334</a> <a href="attachment.cgi?id=290334&amp;action=edit" title="Patch proposal">[details]</a></span>
Patch proposal

It seems this was my fault after all, since I passed a X11 display type to gst_gl_display_egl_new_with_egl_display() instead of an EGLDisplay[1], because I (naively) took the code from the Wayland codepath without realizing that PlatformDisplayWayland::native() returns a valid EGLDisplay, while PlatformDisplayX11::native() does not.

Thus, simply passing the result of PlatformDisplay::eglDisplay() instead of PlatformDisplayX11::native() fixes the issue and I can now play video on my ARM device with GStreamerGL enabled \o/ 

Please review the attached patch, thanks!

[1] <a href="https://github.com/WebKit/webkit/blob/master/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp#L265">https://github.com/WebKit/webkit/blob/master/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp#L265</a>
[2] <a href="https://github.com/WebKit/webkit/blob/master/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp#L271">https://github.com/WebKit/webkit/blob/master/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp#L271</a></pre>
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