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1 /*
2  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #ifndef COMMON_VIDEO_INTERFACE_TEXTURE_VIDEO_FRAME_H
12 #define COMMON_VIDEO_INTERFACE_TEXTURE_VIDEO_FRAME_H
13 
14 // TextureVideoFrame class
15 //
16 // Storing and handling of video frames backed by textures.
17 
18 #include "webrtc/common_video/interface/i420_video_frame.h"
19 #include "webrtc/common_video/interface/native_handle.h"
20 #include "webrtc/system_wrappers/interface/scoped_refptr.h"
21 #include "webrtc/typedefs.h"
22 
23 namespace webrtc {
24 
25 class TextureVideoFrame : public I420VideoFrame {
26  public:
27   TextureVideoFrame(NativeHandle* handle,
28                     int width,
29                     int height,
30                     uint32_t timestamp,
31                     int64_t render_time_ms);
32   virtual ~TextureVideoFrame();
33 
34   // I420VideoFrame implementation
35   virtual int CreateEmptyFrame(int width,
36                                int height,
37                                int stride_y,
38                                int stride_u,
39                                int stride_v) OVERRIDE;
40   virtual int CreateFrame(int size_y,
41                           const uint8_t* buffer_y,
42                           int size_u,
43                           const uint8_t* buffer_u,
44                           int size_v,
45                           const uint8_t* buffer_v,
46                           int width,
47                           int height,
48                           int stride_y,
49                           int stride_u,
50                           int stride_v) OVERRIDE;
51   virtual int CopyFrame(const I420VideoFrame& videoFrame) OVERRIDE;
52   virtual I420VideoFrame* CloneFrame() const OVERRIDE;
53   virtual void SwapFrame(I420VideoFrame* videoFrame) OVERRIDE;
54   virtual uint8_t* buffer(PlaneType type) OVERRIDE;
55   virtual const uint8_t* buffer(PlaneType type) const OVERRIDE;
56   virtual int allocated_size(PlaneType type) const OVERRIDE;
57   virtual int stride(PlaneType type) const OVERRIDE;
58   virtual bool IsZeroSize() const OVERRIDE;
59   virtual void ResetSize() OVERRIDE;
60   virtual void* native_handle() const OVERRIDE;
61 
62  protected:
63   virtual int CheckDimensions(
64       int width, int height, int stride_y, int stride_u, int stride_v) OVERRIDE;
65 
66  private:
67   // An opaque handle that stores the underlying video frame.
68   scoped_refptr<NativeHandle> handle_;
69 };
70 
71 }  // namespace webrtc
72 
73 #endif  // COMMON_VIDEO_INTERFACE_TEXTURE_VIDEO_FRAME_H
74