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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