1 files changed, 86 insertions, 0 deletions
diff --git a/cc/video_layer_impl.h b/cc/video_layer_impl.h
index 638cbb2..b254e8c 100644
--- a/cc/video_layer_impl.h
+++ b/cc/video_layer_impl.h
@@ -1,3 +1,89 @@
 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
+
+#ifndef CCVideoLayerImpl_h
+#define CCVideoLayerImpl_h
+
+#include "CCLayerImpl.h"
+#include "GraphicsContext3D.h"
+#include "IntSize.h"
+#include <public/WebTransformationMatrix.h>
+#include <public/WebVideoFrameProvider.h>
+
+namespace WebKit {
+class WebVideoFrame;
+}
+
+namespace cc {
+
+class CCLayerTreeHostImpl;
+class CCVideoLayerImpl;
+
+class CCVideoLayerImpl : public CCLayerImpl
+                       , public WebKit::WebVideoFrameProvider::Client {
+public:
+    static scoped_ptr<CCVideoLayerImpl> create(int id, WebKit::WebVideoFrameProvider* provider)
+    {
+        return make_scoped_ptr(new CCVideoLayerImpl(id, provider));
+    }
+    virtual ~CCVideoLayerImpl();
+
+    virtual void willDraw(CCResourceProvider*) OVERRIDE;
+    virtual void appendQuads(CCQuadSink&, CCAppendQuadsData&) OVERRIDE;
+    virtual void didDraw(CCResourceProvider*) OVERRIDE;
+
+    virtual void dumpLayerProperties(std::string*, int indent) const OVERRIDE;
+
+    Mutex& providerMutex() { return m_providerMutex; }
+
+    // WebKit::WebVideoFrameProvider::Client implementation.
+    virtual void stopUsingProvider(); // Callable on any thread.
+    virtual void didReceiveFrame(); // Callable on impl thread.
+    virtual void didUpdateMatrix(const float*); // Callable on impl thread.
+
+    virtual void didLoseContext() OVERRIDE;
+
+    void setNeedsRedraw();
+
+    struct FramePlane {
+        CCResourceProvider::ResourceId resourceId;
+        IntSize size;
+        GC3Denum format;
+        IntSize visibleSize;
+
+        FramePlane() : resourceId(0) { }
+
+        bool allocateData(CCResourceProvider*);
+        void freeData(CCResourceProvider*);
+    };
+
+private:
+    CCVideoLayerImpl(int, WebKit::WebVideoFrameProvider*);
+
+    static IntSize computeVisibleSize(const WebKit::WebVideoFrame&, unsigned plane);
+    virtual const char* layerTypeAsString() const OVERRIDE;
+
+    void willDrawInternal(CCResourceProvider*);
+    bool allocatePlaneData(CCResourceProvider*);
+    bool copyPlaneData(CCResourceProvider*);
+    void freePlaneData(CCResourceProvider*);
+    void freeUnusedPlaneData(CCResourceProvider*);
+
+    // Guards the destruction of m_provider and the frame that it provides
+    Mutex m_providerMutex;
+    WebKit::WebVideoFrameProvider* m_provider;
+
+    WebKit::WebTransformationMatrix m_streamTextureMatrix;
+
+    WebKit::WebVideoFrame* m_frame;
+    GC3Denum m_format;
+    CCResourceProvider::ResourceId m_externalTextureResource;
+
+    // Each index in this array corresponds to a plane in WebKit::WebVideoFrame.
+    FramePlane m_framePlanes[WebKit::WebVideoFrame::maxPlanes];
+};
+
+}
+
+#endif // CCVideoLayerImpl_h