Implemented way to share video frames between WebKit and Chromium

third_party/WebKit/WebCore/platform/graphics/chromium/VideoFrameChromium.h

+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef VideoFrameChromium_h
+#define VideoFrameChromium_h
+
+namespace WebCore {
+
+class VideoFrameChromium {
+
+public:
+    // These consts/enums must be kept in sync with media::VideoFormat and
+    // WebKit::WebVideoFrame.
+    static const size_t kMaxPlanes = 3;
+
+    static const size_t kNumRGBPlanes = 1;
+    static const size_t kRGBPlane = 0;
+
+    static const size_t kNumYUVPlanes = 3;
+    static const size_t kYPlane = 0;
+    static const size_t kUPlane = 1;
+    static const size_t kVPlane = 2;
+
+    enum Format {
+        INVALID,
+        RGB555,
+        RGB565,
+        RGB24,
+        RGB32,
+        RGBA,
+        YV12,
+        YV16,
+        NV12,
+        EMPTY,
+        ASCII,
+    };
+
+    enum SurfaceType {
+        TYPE_SYSTEM_MEMORY,
+        TYPE_OMXBUFFERHEAD,
+        TYPE_EGL_IMAGE,
+        TYPE_MFBUFFER,
+        TYPE_DIRECT3DSURFACE
+    };
+
+public:
+    virtual SurfaceType type() const = 0;
+    virtual Format format() const = 0;
+    virtual size_t width() const = 0;
+    virtual size_t height() const = 0;
+    virtual size_t planes() const = 0;
+    virtual int stride(size_t plane) const = 0;
+    virtual void* data(size_t plane) const = 0;
+};
+
+} // namespace WebCore
+
+#endif