Implemented way to share video frames between WebKit and Chromium

third_party/WebKit/WebKit/chromium/public/WebMediaPlayer.h

Index: third_party/WebKit/WebKit/chromium/public/WebMediaPlayer.h
diff --git a/third_party/WebKit/WebKit/chromium/public/WebMediaPlayer.h b/third_party/WebKit/WebKit/chromium/public/WebMediaPlayer.h
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index 0000000000000000000000000000000000000000..9578d0d75a865ded33c00bc526317da97ac2c3b4
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+++ b/third_party/WebKit/WebKit/chromium/public/WebMediaPlayer.h
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+/*
+ * Copyright (C) 2009 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 WebMediaPlayer_h
+#define WebMediaPlayer_h
+
+#include "WebCanvas.h"
+#include "WebVector.h"
+#include "WebVideoFrame.h"
+
+namespace WebKit {
+
+class WebMediaPlayerClient;
+class WebURL;
+struct WebRect;
+struct WebSize;
+
+struct WebTimeRange {
+    WebTimeRange() : start(0), end(0) {}
+    WebTimeRange(float s, float e) : start(s), end(e) {}
+
+    float start;
+    float end;
+};
+
+typedef WebVector<WebTimeRange> WebTimeRanges;
+
+class WebMediaPlayer {
+public:
+    enum NetworkState {
+        Empty,
+        Idle,
+        Loading,
+        Loaded,
+        FormatError,
+        NetworkError,
+        DecodeError,
+    };
+
+    enum ReadyState {
+        HaveNothing,
+        HaveMetadata,
+        HaveCurrentData,
+        HaveFutureData,
+        HaveEnoughData,
+    };
+
+    enum MovieLoadType {
+        Unknown,
+        Download,
+        StoredStream,
+        LiveStream,
+    };
+
+    virtual ~WebMediaPlayer() {}
+
+    virtual void load(const WebURL&) = 0;
+    virtual void cancelLoad() = 0;
+
+    // Playback controls.
+    virtual void play() = 0;
+    virtual void pause() = 0;
+    virtual bool supportsFullscreen() const = 0;
+    virtual bool supportsSave() const = 0;
+    virtual void seek(float seconds) = 0;
+    virtual void setEndTime(float seconds) = 0;
+    virtual void setRate(float) = 0;
+    virtual void setVolume(float) = 0;
+    virtual void setVisible(bool) = 0;
+    virtual bool setAutoBuffer(bool) = 0;
+    virtual bool totalBytesKnown() = 0;
+    virtual const WebTimeRanges& buffered() = 0;
+    virtual float maxTimeSeekable() const = 0;
+
+    virtual void setSize(const WebSize&) = 0;
+
+    virtual void paint(WebCanvas*, const WebRect&) = 0;
+
+    // True if the loaded media has a playable video/audio track.
+    virtual bool hasVideo() const = 0;
+    virtual bool hasAudio() const = 0;
+
+    // Dimension of the video.
+    virtual WebSize naturalSize() const = 0;
+
+    // Getters of playback state.
+    virtual bool paused() const = 0;
+    virtual bool seeking() const = 0;
+    virtual float duration() const = 0;
+    virtual float currentTime() const = 0;
+
+    // Get rate of loading the resource.
+    virtual int dataRate() const = 0;
+
+    // Internal states of loading and network.
+    virtual NetworkState networkState() const = 0;
+    virtual ReadyState readyState() const = 0;
+
+    virtual unsigned long long bytesLoaded() const = 0;
+    virtual unsigned long long totalBytes() const = 0;
+
+    virtual bool hasSingleSecurityOrigin() const = 0;
+    virtual MovieLoadType movieLoadType() const = 0;
+
+    // For getting frames to and from media player.
+    virtual void getCurrentFrame(WebVideoFrame** output) = 0;
+    virtual void putCurrentFrame(WebVideoFrame* frame) = 0;
+};
+
+} // namespace WebKit
+
+#endif