chromecast/media/cma/pipeline/video_pipeline_device_client_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_VIDEO_PIPELINE_DEVICE_CLIENT_IMPL_H_
   6 #define CHROMECAST_MEDIA_CMA_PIPELINE_VIDEO_PIPELINE_DEVICE_CLIENT_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 #include "chromecast/public/media/video_pipeline_device.h"
  12
  13 namespace base {
  14 class SingleThreadTaskRunner;
  15 }
  16
  17 namespace chromecast {
  18 namespace media {
  19
  20 // Helper for implementing VideoPipelineDevice::VideoClient with
  21 // a base::Callback.
  22 class VideoPipelineDeviceClientImpl : public VideoPipelineDevice::VideoClient {
  23  public:
  24   typedef base::Callback<void(const Size&)> SizeChangeCB;
  25
  26   VideoPipelineDeviceClientImpl(const SizeChangeCB& size_change_cb);
  27   ~VideoPipelineDeviceClientImpl() override;
  28
  29   void OnNaturalSizeChanged(const Size& size) override;
  30
  31  private:
  32   SizeChangeCB size_change_cb_;
  33   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
  34 };
  35
  36 }  // namespace media
  37 }  // namespace chromecast
  38
  39 #endif  // CHROMECAST_MEDIA_CMA_PIPELINE_VIDEO_PIPELINE_DEVICE_CLIENT_IMPL_H_