diff -up webkitgtk-2.0.4/Source/WebCore/html/HTMLMediaElement.cpp.volume webkitgtk-2.0.4/Source/WebCore/html/HTMLMediaElement.cpp

--- webkitgtk-2.0.4/Source/WebCore/html/HTMLMediaElement.cpp.volume	2014-02-27 09:26:25.967068707 +0100

+++ webkitgtk-2.0.4/Source/WebCore/html/HTMLMediaElement.cpp	2014-02-27 09:27:56.074225330 +0100

@@ -245,6 +245,7 @@ HTMLMediaElement::HTMLMediaElement(const

     , m_readyState(HAVE_NOTHING)

     , m_readyStateMaximum(HAVE_NOTHING)

     , m_volume(1.0f)

+    , m_volumeInitialized(false)

     , m_lastSeekTime(0)

     , m_previousProgressTime(numeric_limits<double>::max())

     , m_lastTimeUpdateEventWallTime(0)

@@ -2665,6 +2666,7 @@ void HTMLMediaElement::setVolume(float v

     if (m_volume != vol) {

         m_volume = vol;

+        m_volumeInitialized = true;

         updateVolume();

         scheduleEvent(eventNames().volumechangeEvent);

     }

@@ -3758,7 +3760,8 @@ void HTMLMediaElement::updateVolume()

         }

         m_player->setMuted(shouldMute);

-        m_player->setVolume(m_volume * volumeMultiplier);

+        if (m_volumeInitialized)

+            m_player->setVolume(m_volume * volumeMultiplier);

     }

     if (hasMediaControls())

@@ -4792,6 +4795,11 @@ void HTMLMediaElement::mediaPlayerPlay()

     play();

 }

+bool HTMLMediaElement::mediaPlayerPlatformVolumeConfigurationRequired() const

+{

+    return !m_volumeInitialized;

+}

+

 bool HTMLMediaElement::mediaPlayerIsPaused() const

 {

     return paused();

diff -up webkitgtk-2.0.4/Source/WebCore/html/HTMLMediaElement.h.volume webkitgtk-2.0.4/Source/WebCore/html/HTMLMediaElement.h

--- webkitgtk-2.0.4/Source/WebCore/html/HTMLMediaElement.h.volume	2014-02-27 09:26:51.671398653 +0100

+++ webkitgtk-2.0.4/Source/WebCore/html/HTMLMediaElement.h	2014-02-27 09:29:44.623618657 +0100

@@ -474,6 +474,7 @@ private:

     virtual void mediaPlayerSetSize(const IntSize&) OVERRIDE;

     virtual void mediaPlayerPause() OVERRIDE;

     virtual void mediaPlayerPlay() OVERRIDE;

+    virtual bool mediaPlayerPlatformVolumeConfigurationRequired() const OVERRIDE;

     virtual bool mediaPlayerIsPaused() const OVERRIDE;

     virtual bool mediaPlayerIsLooping() const OVERRIDE;

     virtual HostWindow* mediaPlayerHostWindow() OVERRIDE;

@@ -606,6 +607,7 @@ private:

     RefPtr<MediaError> m_error;

     float m_volume;

+    bool m_volumeInitialized;

     float m_lastSeekTime;

     unsigned m_previousProgress;

diff -up webkitgtk-2.0.4/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp.volume webkitgtk-2.0.4/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp

--- webkitgtk-2.0.4/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp.volume	2014-02-27 09:27:38.559000504 +0100

+++ webkitgtk-2.0.4/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp	2014-02-27 09:27:56.075225348 +0100

@@ -72,6 +72,7 @@ static int greatestCommonDivisor(int a,

 static void mediaPlayerPrivateVolumeChangedCallback(GObject*, GParamSpec*, MediaPlayerPrivateGStreamerBase* player)

 {

     // This is called when m_volumeElement receives the notify::volume signal.

+    LOG_MEDIA_MESSAGE("Volume changed to: %f", player->volume());

     player->volumeChanged();

 }

@@ -208,6 +209,7 @@ void MediaPlayerPrivateGStreamerBase::se

     if (!m_volumeElement)

         return;

+    LOG_MEDIA_MESSAGE("Setting volume: %f", volume);

     gst_stream_volume_set_volume(m_volumeElement.get(), GST_STREAM_VOLUME_FORMAT_CUBIC, static_cast<double>(volume));

 }

@@ -479,7 +481,16 @@ void MediaPlayerPrivateGStreamerBase::se

     ASSERT(!m_volumeElement);

     m_volumeElement = volume;

-    g_object_set(m_volumeElement.get(), "mute", m_player->muted(), "volume", m_player->volume(), NULL);

+    // We don't set the initial volume because we trust the sink to keep it for us. See

+    // https://bugs.webkit.org/show_bug.cgi?id=118974 for more information.

+    if (!m_player->platformVolumeConfigurationRequired()) {

+        LOG_MEDIA_MESSAGE("Setting stream volume to %f", m_player->volume());

+        g_object_set(m_volumeElement.get(), "volume", m_player->volume(), NULL);

+    } else

+        LOG_MEDIA_MESSAGE("Not setting stream volume, trusting system one");

+

+    LOG_MEDIA_MESSAGE("Setting stream muted %d",  m_player->muted());

+    g_object_set(m_volumeElement.get(), "mute", m_player->muted(), NULL);

     m_volumeSignalHandler = g_signal_connect(m_volumeElement.get(), "notify::volume", G_CALLBACK(mediaPlayerPrivateVolumeChangedCallback), this);

     m_muteSignalHandler = g_signal_connect(m_volumeElement.get(), "notify::mute", G_CALLBACK(mediaPlayerPrivateMuteChangedCallback), this);

diff -up webkitgtk-2.0.4/Source/WebCore/platform/graphics/MediaPlayer.h.volume webkitgtk-2.0.4/Source/WebCore/platform/graphics/MediaPlayer.h

--- webkitgtk-2.0.4/Source/WebCore/platform/graphics/MediaPlayer.h.volume	2014-02-27 09:27:17.663732299 +0100

+++ webkitgtk-2.0.4/Source/WebCore/platform/graphics/MediaPlayer.h	2014-02-27 09:30:47.663427811 +0100

@@ -209,6 +209,7 @@ public:

     virtual void mediaPlayerSetSize(const IntSize&) { }

     virtual void mediaPlayerPause() { }

     virtual void mediaPlayerPlay() { }

+    virtual bool mediaPlayerPlatformVolumeConfigurationRequired() const { return false; }

     virtual bool mediaPlayerIsPaused() const { return true; }

     virtual bool mediaPlayerIsLooping() const { return false; }

     virtual HostWindow* mediaPlayerHostWindow() { return 0; }

@@ -329,6 +330,7 @@ public:

     float volume() const;

     void setVolume(float);

+    bool platformVolumeConfigurationRequired() const { return m_mediaPlayerClient->mediaPlayerPlatformVolumeConfigurationRequired(); }

     bool muted() const;

     void setMuted(bool);