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