chromecast/media/cma/pipeline/frame_status_cb_impl.h

   1 // Copyright 2015 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.
   4
   5 #ifndef CHROMECAST_MEDIA_CMA_PIPELINE_FRAME_STATUS_CB_IMPL_H_
   6 #define CHROMECAST_MEDIA_CMA_PIPELINE_FRAME_STATUS_CB_IMPL_H_
   7
   8 #include "base/callback.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "chromecast/public/media/media_component_device.h"
  11
  12 namespace base {
  13 class SingleThreadTaskRunner;
  14 }
  15
  16 namespace chromecast {
  17 namespace media {
  18
  19 // Helper for implementing MediaComponentDevice::FrameStatusCB with
  20 // a base::Callback.
  21 class FrameStatusCBImpl : public MediaComponentDevice::FrameStatusCB {
  22  public:
  23   typedef base::Callback<void(MediaComponentDevice::FrameStatus)> CallbackType;
  24
  25   FrameStatusCBImpl(const CallbackType& cb);
  26   ~FrameStatusCBImpl() override;
  27
  28   void Run(MediaComponentDevice::FrameStatus status) override;
  29
  30  private:
  31   CallbackType cb_;
  32   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
  33 };
  34
  35 }  // namespace media
  36 }  // namespace chromecast
  37
  38 #endif  // CHROMECAST_MEDIA_CMA_PIPELINE_FRAME_STATUS_CB_IMPL_H_