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_NATIVEHANDLE_H_
12#define COMMON_VIDEO_INTERFACE_NATIVEHANDLE_H_
13
14#include "webrtc/typedefs.h"
15
16namespace webrtc {
17
18// A class to store an opaque handle of the underlying video frame. This is used
19// when the frame is backed by a texture. WebRTC carries the handle in
20// TextureVideoFrame. This object keeps a reference to the handle. The reference
21// is cleared when the object is destroyed. It is important to destroy the
22// object as soon as possible so the texture can be recycled.
23class NativeHandle {
24 public:
25  virtual ~NativeHandle() {}
26  // For scoped_refptr
27  virtual int32_t AddRef() = 0;
28  virtual int32_t Release() = 0;
29
30  // Gets the handle.
31  virtual void* GetHandle() = 0;
32};
33
34}  // namespace webrtc
35
36#endif  // COMMON_VIDEO_INTERFACE_NATIVEHANDLE_H_
37