| // Copyright 2016 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef MEDIA_AUDIO_ANDROID_MUTEABLE_AUDIO_OUTPUT_STREAM_H_ |
| #define MEDIA_AUDIO_ANDROID_MUTEABLE_AUDIO_OUTPUT_STREAM_H_ |
| |
| #include "media/audio/audio_io.h" |
| |
| namespace media { |
| |
| class MEDIA_EXPORT MuteableAudioOutputStream : public AudioOutputStream { |
| public: |
| // Volume control coming from hardware. It overrides volume when it's |
| // true. Otherwise, use SetVolume(double volume) for scaling. |
| // This is needed because platform voice volume never goes to zero in |
| // COMMUNICATION mode on Android. |
| virtual void SetMute(bool muted) = 0; |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_AUDIO_ANDROID_MUTEABLE_AUDIO_OUTPUT_STREAM_H_ |