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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 WEBRTC_FRAME_CALLBACK_H_
     12 #define WEBRTC_FRAME_CALLBACK_H_
     13 
     14 #include <stddef.h>
     15 
     16 #include "webrtc/common_types.h"
     17 
     18 namespace webrtc {
     19 
     20 class VideoFrame;
     21 
     22 struct EncodedFrame {
     23  public:
     24   EncodedFrame() : data_(NULL), length_(0), frame_type_(kEmptyFrame) {}
     25   EncodedFrame(const uint8_t* data, size_t length, FrameType frame_type)
     26     : data_(data), length_(length), frame_type_(frame_type) {}
     27 
     28   const uint8_t* data_;
     29   const size_t length_;
     30   const FrameType frame_type_;
     31 };
     32 
     33 class I420FrameCallback {
     34  public:
     35   // This function is called with a I420 frame allowing the user to modify the
     36   // frame content.
     37   virtual void FrameCallback(VideoFrame* video_frame) = 0;
     38 
     39  protected:
     40   virtual ~I420FrameCallback() {}
     41 };
     42 
     43 class EncodedFrameObserver {
     44  public:
     45   virtual void EncodedFrameCallback(const EncodedFrame& encoded_frame) = 0;
     46 
     47  protected:
     48   virtual ~EncodedFrameObserver() {}
     49 };
     50 
     51 }  // namespace webrtc
     52 
     53 #endif  // WEBRTC_FRAME_CALLBACK_H_
     54