naiveproxy/components/arc/common/audio.mojom
2018-08-11 05:35:24 +00:00

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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Next MinVersion: 5
module arc.mojom;
// Use same switch values as kernel switch events.
[Extensible]
enum AudioSwitch {
SW_HEADPHONE_INSERT = 0x02,
SW_MICROPHONE_INSERT = 0x04
};
// Next method ID:2
interface AudioHost {
// Tells the host to show the volume controls.
ShowVolumeControls@0();
// Request that the volume be changed to |volume|.
// This is a privileged API and should only be used on whitelisted cases.
// |percent| is of the range [0, 100].
[MinVersion=3] OnSystemVolumeUpdateRequest@1(int32 percent);
};
// Next method ID: 4
interface AudioInstance {
// DEPRECATED: Please use Init@3 instead.
[MinVersion=1] InitDeprecated@1(AudioHost host);
// Establishes full-duplex communication with the host.
[MinVersion=4] Init@3(AudioHost host) => ();
// Notify plug states of headphone, microphone, etc. Each switch state is
// represented by the corresponding bit, if the bit is set then the switch
// is plugged/inserted.
NotifySwitchState@0(uint32 state);
// Notify volume and mute state.
// volume ranges from 0 to 100.
// muted == true if audio is muted.
[MinVersion=2] NotifyVolumeState@2(uint32 volume, bool muted);
};