chromecast/browser/media/cma_media_pipeline_client.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_BROWSER_MEDIA_CMA_MEDIA_PIPELINE_CLIENT_H_
   6 #define CHROMECAST_BROWSER_MEDIA_CMA_MEDIA_PIPELINE_CLIENT_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "chromecast/base/cast_resource.h"
  11 #include "chromecast/public/media/media_pipeline_backend.h"
  12
  13 namespace chromecast {
  14 namespace media {
  15
  16 // Class to provide media backend and watch media pipeline status
  17 class CmaMediaPipelineClient : public base::RefCounted<CmaMediaPipelineClient>,
  18                                public CastResource {
  19  public:
  20   CmaMediaPipelineClient();
  21
  22   virtual scoped_ptr<MediaPipelineBackend> CreateMediaPipelineBackend(
  23       const media::MediaPipelineDeviceParams& params);
  24
  25   virtual void OnMediaPipelineBackendCreated();
  26   virtual void OnMediaPipelineBackendDestroyed();
  27
  28   // cast::CastResource implementations
  29   void ReleaseResource(CastResource::Resource resource) override;
  30   void SetCastResourceClient(CastResource::Client* client) override;
  31
  32  protected:
  33   ~CmaMediaPipelineClient() override;
  34
  35   CastResource::Client* client_;
  36
  37  private:
  38   friend class base::RefCounted<CmaMediaPipelineClient>;
  39   DISALLOW_COPY_AND_ASSIGN(CmaMediaPipelineClient);
  40 };
  41 }
  42 }
  43
  44 #endif