nsIAudioDeviceInfo.idl

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

[scriptable, uuid(feb979a8-f8cc-4522-9dff-6c055ca50762)]

interface nsIAudioDeviceInfo : nsISupports

  readonly attribute AString name;

  readonly attribute AString groupId;

  readonly attribute AString vendor;

  // type: Unknown/Input/Output

  const unsigned short TYPE_UNKNOWN = 0;

  const unsigned short TYPE_INPUT   = 1;

  const unsigned short TYPE_OUTPUT  = 2;

  readonly attribute unsigned short type;

  // state: Disabled/Unplugged/Enabled

  const unsigned short STATE_DISABLED   = 0;

  const unsigned short STATE_UNPLUGGED  = 1;

  const unsigned short STATE_ENABLED    = 2;

  readonly attribute unsigned short state;

  // preferred: None/Multimedia/Voice/Notification/All

  const unsigned short PREF_NONE          = 0x00;

  const unsigned short PREF_MULTIMEDIA    = 0x01;

  const unsigned short PREF_VOICE         = 0x02;

  const unsigned short PREF_NOTIFICATION  = 0x04;

  const unsigned short PREF_ALL           = 0x0F;

  readonly attribute unsigned short preferred;

  // supported format, default format: S16LE/S16BE/F32LE/F32BE

  const unsigned short FMT_S16LE = 0x0010;

  const unsigned short FMT_S16BE = 0x0020;

  const unsigned short FMT_F32LE = 0x1000;

  const unsigned short FMT_F32BE = 0x2000;

  readonly attribute unsigned short supportedFormat;

  readonly attribute unsigned short defaultFormat;

  // Max number of channels: [1, 255]

  readonly attribute unsigned long maxChannels;

  readonly attribute unsigned long defaultRate;

  readonly attribute unsigned long maxRate;

  readonly attribute unsigned long minRate;

  readonly attribute unsigned long maxLatency;

  readonly attribute unsigned long minLatency;

};