OLD | NEW |
| (Empty) |
1 // Copyright 2014 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_BACKEND_AUDIO_PIPELINE_DEVICE_H_ | |
6 #define CHROMECAST_MEDIA_CMA_BACKEND_AUDIO_PIPELINE_DEVICE_H_ | |
7 | |
8 #include "base/macros.h" | |
9 #include "chromecast/media/cma/backend/media_component_device.h" | |
10 | |
11 namespace chromecast { | |
12 namespace media { | |
13 class AudioPipelineDeviceClient; | |
14 struct AudioConfig; | |
15 | |
16 class AudioPipelineDevice : public MediaComponentDevice { | |
17 public: | |
18 AudioPipelineDevice(); | |
19 ~AudioPipelineDevice() override; | |
20 | |
21 // Provide the audio configuration. | |
22 // Must be called before switching from |kStateUninitialized| to |kStateIdle|. | |
23 // Afterwards, this can be invoked any time the configuration changes. | |
24 // Returns true if the configuration is a supported configuration. | |
25 virtual bool SetConfig(const AudioConfig& config) = 0; | |
26 | |
27 // Sets the volume multiplier. | |
28 // The multiplier must be in the range [0.0, 1.0]. | |
29 virtual void SetStreamVolumeMultiplier(float multiplier) = 0; | |
30 | |
31 private: | |
32 DISALLOW_COPY_AND_ASSIGN(AudioPipelineDevice); | |
33 }; | |
34 | |
35 } // namespace media | |
36 } // namespace chromecast | |
37 | |
38 #endif // CHROMECAST_MEDIA_CMA_BACKEND_AUDIO_PIPELINE_DEVICE_H_ | |
OLD | NEW |