1 files changed, 9 insertions, 4 deletions
diff --git a/Source/WebCore/platform/graphics/qt/MediaPlayerPrivateQt.cpp b/Source/WebCore/platform/graphics/qt/MediaPlayerPrivateQt.cpp
index 9529cd47a..3a307cb27 100644
--- a/Source/WebCore/platform/graphics/qt/MediaPlayerPrivateQt.cpp
+++ b/Source/WebCore/platform/graphics/qt/MediaPlayerPrivateQt.cpp
@@ -116,6 +116,7 @@ MediaPlayerPrivateQt::MediaPlayerPrivateQt(MediaPlayer* player)
     , m_isSeeking(false)
     , m_composited(false)
     , m_preload(MediaPlayer::Auto)
+    , m_bytesLoadedAtLastDidLoadingProgress(0)
     , m_suppressNextPlaybackChanged(false)
 {
     m_mediaPlayer->setVideoOutput(m_videoItem);
@@ -361,13 +362,17 @@ float MediaPlayerPrivateQt::maxTimeSeekable() const
     return static_cast<float>(m_mediaPlayerControl->availablePlaybackRanges().latestTime()) / 1000.0f;
 }
 
-unsigned MediaPlayerPrivateQt::bytesLoaded() const
+bool MediaPlayerPrivateQt::didLoadingProgress() const
 {
+    unsigned bytesLoaded = 0;
     QLatin1String bytesLoadedKey("bytes-loaded");
     if (m_mediaPlayer->availableExtendedMetaData().contains(bytesLoadedKey))
-        return m_mediaPlayer->extendedMetaData(bytesLoadedKey).toInt();
-
-    return m_mediaPlayer->bufferStatus();
+        bytesLoaded = m_mediaPlayer->extendedMetaData(bytesLoadedKey).toInt();
+    else
+        bytesLoaded = m_mediaPlayer->bufferStatus();
+    bool didLoadingProgress = bytesLoaded != m_bytesLoadedAtLastDidLoadingProgress;
+    m_bytesLoadedAtLastDidLoadingProgress = bytesLoaded;
+    return didLoadingProgress;
 }
 
 unsigned MediaPlayerPrivateQt::totalBytes() const