chromecast/browser/media/cma_media_pipeline_client.cc

   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 #include "chromecast/browser/media/cma_media_pipeline_client.h"
   6 #include "chromecast/public/cast_media_shlib.h"
   7
   8 namespace chromecast {
   9 namespace media {
  10
  11 CmaMediaPipelineClient::CmaMediaPipelineClient() : client_(nullptr) {}
  12
  13 CmaMediaPipelineClient::~CmaMediaPipelineClient() {}
  14
  15 scoped_ptr<MediaPipelineBackend>
  16 CmaMediaPipelineClient::CreateMediaPipelineBackend(
  17     const media::MediaPipelineDeviceParams& params) {
  18   return make_scoped_ptr(CastMediaShlib::CreateMediaPipelineBackend(params));
  19 }
  20
  21 void CmaMediaPipelineClient::OnMediaPipelineBackendCreated() {
  22   if (client_)
  23     client_->OnResourceAcquired(this);
  24 }
  25
  26 void CmaMediaPipelineClient::OnMediaPipelineBackendDestroyed() {
  27   if (client_)
  28     client_->OnResourceReleased(this, CastResource::kResourceNone);
  29 }
  30
  31 void CmaMediaPipelineClient::ReleaseResource(CastResource::Resource resource) {
  32   CastResource::Resource audio_video_resource =
  33       static_cast<CastResource::Resource>(CastResource::kResourceAudio |
  34                                           CastResource::kResourceScreenPrimary);
  35
  36   // TODO(yucliu): media pipeline need to stop audio video seperately
  37   if (!(resource & audio_video_resource)) {
  38     if (client_)
  39       client_->OnResourceReleased(this, audio_video_resource);
  40   }
  41 }
  42
  43 void CmaMediaPipelineClient::SetCastResourceClient(
  44     CastResource::Client* client) {
  45   client_ = client;
  46 }
  47
  48 }  // namespace media
  49 }  // namespace chromecast