Fix crash on app list start page contents not existing.
[chromium-blink-merge.git] / content / renderer / media / native_handle_impl.h
blob20a4f038c6f268b969dbddd833a35941a870cb9e
1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CONTENT_RENDERER_MEDIA_NATIVE_HANDLE_IMPL_H_
6 #define CONTENT_RENDERER_MEDIA_NATIVE_HANDLE_IMPL_H_
8 #include "base/memory/ref_counted.h"
9 #include "media/base/video_frame.h"
10 #include "third_party/webrtc/common_video/interface/native_handle.h"
12 namespace content {
14 class NativeHandleImpl : public webrtc::NativeHandle {
15 public:
16 // Wraps a video frame in the handle.
17 explicit NativeHandleImpl(scoped_refptr<media::VideoFrame> frame);
18 ~NativeHandleImpl() override;
20 // Retrieves the video frame in the handle. The frame is still ref-counted by
21 // the handle. The ref count decreases when NativeHandleImpl is destroyed.
22 void* GetHandle() override;
24 private:
25 scoped_refptr<media::VideoFrame> frame_;
27 DISALLOW_COPY_AND_ASSIGN(NativeHandleImpl);
30 } // namespace content
32 #endif // CONTENT_RENDERER_MEDIA_NATIVE_HANDLE_IMPL_H_