Changeset 193959 in webkit

Timestamp:

Dec 11, 2015 9:45:16 AM (8 years ago)

Author:

peavo@outlook.com

Message:

[WinCairo][MediaFoundation] Setting playback rate does not work.
​https://bugs.webkit.org/show_bug.cgi?id=152172

Reviewed by Brent Fulgham.

Implement method to set playback rate.

• platform/graphics/win/MediaPlayerPrivateMediaFoundation.cpp:

(WebCore::MediaPlayerPrivateMediaFoundation::seekDouble):
(WebCore::MediaPlayerPrivateMediaFoundation::setRateDouble):
(WebCore::MediaPlayerPrivateMediaFoundation::durationDouble):

• platform/graphics/win/MediaPlayerPrivateMediaFoundation.h:

Location:

trunk/Source/WebCore

Files:

• ChangeLog (modified) (1 diff)
• platform/graphics/win/MediaPlayerPrivateMediaFoundation.cpp (modified) (1 diff)
• platform/graphics/win/MediaPlayerPrivateMediaFoundation.h (modified) (1 diff)

trunk/Source/WebCore/ChangeLog

@@ +1 @@
+2015-12-11  Per Arne Vollan  <peavo@outlook.com>
+
+        [WinCairo][MediaFoundation] Setting playback rate does not work.
+        https://bugs.webkit.org/show_bug.cgi?id=152172
+
+        Reviewed by Brent Fulgham.
+
+        Implement method to set playback rate.
+
+        * platform/graphics/win/MediaPlayerPrivateMediaFoundation.cpp:
+        (WebCore::MediaPlayerPrivateMediaFoundation::seekDouble):
+        (WebCore::MediaPlayerPrivateMediaFoundation::setRateDouble):
+        (WebCore::MediaPlayerPrivateMediaFoundation::durationDouble):
+        * platform/graphics/win/MediaPlayerPrivateMediaFoundation.h:
+
 2015-12-11  Darin Adler  <darin@apple.com>
 

trunk/Source/WebCore/platform/graphics/win/MediaPlayerPrivateMediaFoundation.cpp

@@ -217 +217 @@
 }
 
+void MediaPlayerPrivateMediaFoundation::setRateDouble(double rate)
+{
+    COMPtr<IMFRateControl> rateControl;
+
+    HRESULT hr = MFGetServicePtr()(m_mediaSession.get(), MF_RATE_CONTROL_SERVICE, IID_IMFRateControl, (void**)&rateControl);
+
+    if (!SUCCEEDED(hr))
+        return;
+
+    BOOL reduceSamplesInStream = rate > 2.0;
+
+    rateControl->SetRate(reduceSamplesInStream, rate);
+}
+
 double MediaPlayerPrivateMediaFoundation::durationDouble() const
 {

trunk/Source/WebCore/platform/graphics/win/MediaPlayerPrivateMediaFoundation.h

@@ -73 +73 @@
     virtual bool seeking() const;
     virtual void seekDouble(double) override;
+
+    virtual void setRateDouble(double) override;
+
     virtual double durationDouble() const override;