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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 VideoFrameChromium_h
32 #define VideoFrameChromium_h
33 
34 #include "IntSize.h"
35 
36 namespace WebCore {
37 
38 // A class that represents a video frame in chromium.
39 class VideoFrameChromium {
40 public:
41     static const unsigned maxPlanes;
42     static const unsigned numRGBPlanes;
43     static const unsigned rgbPlane;
44     static const unsigned numYUVPlanes;
45     static const unsigned yPlane;
46     static const unsigned uPlane;
47     static const unsigned vPlane;
48 
49     // These enums must be kept in sync with WebKit::WebVideoFrame.
50     enum Format {
51         Invalid,
52         RGB555,
53         RGB565,
54         RGB24,
55         RGB32,
56         RGBA,
57         YV12,
58         YV16,
59         NV12,
60         Empty,
61         ASCII,
62     };
63 
64     enum SurfaceType {
65         TypeSystemMemory,
66         TypeTexture,
67     };
68 
69     virtual SurfaceType surfaceType() const = 0;
70     virtual Format format() const = 0;
71     virtual unsigned width() const = 0;
72     virtual unsigned width(unsigned plane) const = 0;
73     virtual unsigned height() const = 0;
74     virtual unsigned height(unsigned plane) const = 0;
75     virtual unsigned planes() const = 0;
76     virtual int stride(unsigned plane) const = 0;
77     virtual const void* data(unsigned plane) const = 0;
78     virtual unsigned texture(unsigned plane) const = 0;
79     virtual const IntSize requiredTextureSize(unsigned plane) const = 0;
80     virtual bool hasPaddingBytes(unsigned plane) const = 0;
81 };
82 
83 } // namespace WebCore
84 
85 #endif
86