dom/media/nsIAudioDeviceInfo.idl

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "nsISupports.idl"
   7
   8 [scriptable, uuid(feb979a8-f8cc-4522-9dff-6c055ca50762)]
   9 interface nsIAudioDeviceInfo : nsISupports
  10 {
  11   readonly attribute AString name;
  12
  13   readonly attribute AString groupId;
  14
  15   readonly attribute AString vendor;
  16
  17   // type: Unknown/Input/Output
  18   const unsigned short TYPE_UNKNOWN = 0;
  19   const unsigned short TYPE_INPUT   = 1;
  20   const unsigned short TYPE_OUTPUT  = 2;
  21   readonly attribute unsigned short type;
  22
  23   // state: Disabled/Unplugged/Enabled
  24   const unsigned short STATE_DISABLED   = 0;
  25   const unsigned short STATE_UNPLUGGED  = 1;
  26   const unsigned short STATE_ENABLED    = 2;
  27   readonly attribute unsigned short state;
  28
  29   // preferred: None/Multimedia/Voice/Notification/All
  30   const unsigned short PREF_NONE          = 0x00;
  31   const unsigned short PREF_MULTIMEDIA    = 0x01;
  32   const unsigned short PREF_VOICE         = 0x02;
  33   const unsigned short PREF_NOTIFICATION  = 0x04;
  34   const unsigned short PREF_ALL           = 0x0F;
  35   readonly attribute unsigned short preferred;
  36
  37   // supported format, default format: S16LE/S16BE/F32LE/F32BE
  38   const unsigned short FMT_S16LE = 0x0010;
  39   const unsigned short FMT_S16BE = 0x0020;
  40   const unsigned short FMT_F32LE = 0x1000;
  41   const unsigned short FMT_F32BE = 0x2000;
  42   readonly attribute unsigned short supportedFormat;
  43   readonly attribute unsigned short defaultFormat;
  44
  45   // Max number of channels: [1, 255]
  46   readonly attribute unsigned long maxChannels;
  47
  48   readonly attribute unsigned long defaultRate;
  49   readonly attribute unsigned long maxRate;
  50   readonly attribute unsigned long minRate;
  51
  52   readonly attribute unsigned long maxLatency;
  53   readonly attribute unsigned long minLatency;
  54 };