1/*
2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef VideoFrameChromiumImpl_h
32#define VideoFrameChromiumImpl_h
33
34#include "VideoFrameChromium.h"
35#include "WebVideoFrame.h"
36
37namespace WebKit {
38
39// A wrapper class for WebKit::WebVideoFrame. Objects can be created in WebKit
40// and used in WebCore because of the VideoFrameChromium interface.
41class VideoFrameChromiumImpl : public WebCore::VideoFrameChromium {
42public:
43    // Converts a WebCore::VideoFrameChromium to a WebKit::WebVideoFrame.
44    static WebVideoFrame* toWebVideoFrame(WebCore::VideoFrameChromium*);
45
46    // Creates a VideoFrameChromiumImpl object to wrap the given WebVideoFrame.
47    // The VideoFrameChromiumImpl does not take ownership of the WebVideoFrame
48    // and should not free the frame's memory.
49    VideoFrameChromiumImpl(WebVideoFrame*);
50    virtual SurfaceType surfaceType() const;
51    virtual Format format() const;
52    virtual unsigned width() const;
53    virtual unsigned width(unsigned plane) const;
54    virtual unsigned height() const;
55    virtual unsigned height(unsigned plane) const;
56    virtual unsigned planes() const;
57    virtual int stride(unsigned plane) const;
58    virtual const void* data(unsigned plane) const;
59    virtual unsigned texture(unsigned plane) const;
60    virtual const WebCore::IntSize requiredTextureSize(unsigned plane) const;
61    virtual bool hasPaddingBytes(unsigned plane) const;
62
63private:
64    WebVideoFrame* m_webVideoFrame;
65};
66
67} // namespace WebKit
68
69#endif
70