[ARRISEOS-47239]: Cloned from Apple Radar 119814367: Mute functionality not working on video element

Author: suresh-khurdiya-infosys

Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamer.cpp

@@ -1777,7 +1777,11 @@ void MediaPlayerPrivateGStreamer::setVolume(float volume)
         return;
 
     GST_DEBUG_OBJECT(pipeline(), "Setting volume: %f", volume);
-    gst_stream_volume_set_volume(m_volumeElement.get(), GST_STREAM_VOLUME_FORMAT_LINEAR, static_cast<double>(volume));
+    gst_stream_volume_set_volume(m_volumeElement.get(), GST_STREAM_VOLUME_FORMAT_LINEAR, static_cast<double>(volume)); 
+
+    bool audioMuted = (volume == 0) ? true : false;
+    g_object_set(m_volumeElement.get(), "mute", audioMuted, nullptr);
+
     configureMediaStreamAudioTracks();
 }