/* * Copyright (c) 2020 The WebRTC project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree.
*/
// VoipVolumeControl interface. // // This sub-API supports functions related to the input (microphone) and output // (speaker) device. // // Caller must ensure that ChannelId is valid otherwise it will result in no-op // with error logging. class VoipVolumeControl { public: // Mute/unmutes the microphone input sample before encoding process. Note that // mute doesn't affect audio input level and energy values as input sample is // silenced after the measurement. // Returns following VoipResult; // kOk - input source muted or unmuted as provided by `enable`. // kInvalidArgument - `channel_id` is invalid. virtual VoipResult SetInputMuted(ChannelId channel_id, bool enable) = 0;
// Gets the microphone volume info via `volume_info` reference. // Returns following VoipResult; // kOk - successfully set provided input volume info. // kInvalidArgument - `channel_id` is invalid. virtual VoipResult GetInputVolumeInfo(ChannelId channel_id,
VolumeInfo& volume_info) = 0;
// Gets the speaker volume info via `volume_info` reference. // Returns following VoipResult; // kOk - successfully set provided output volume info. // kInvalidArgument - `channel_id` is invalid. virtual VoipResult GetOutputVolumeInfo(ChannelId channel_id,
VolumeInfo& volume_info) = 0;
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