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Viewing changes to external/maccore/src/AudioToolbox/AudioClassDescription.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/maccore/src/AudioToolbox/AudioClassDescription.cs
 
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// 
 
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// AudioClassDescription.cs:
 
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//
 
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// Authors:
 
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//    Marek Safar (marek.safar@gmail.com)
 
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//     
 
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// Copyright 2012 Xamarin Inc
 
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//
 
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// Permission is hereby granted, free of charge, to any person obtaining
 
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// a copy of this software and associated documentation files (the
 
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// "Software"), to deal in the Software without restriction, including
 
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// without limitation the rights to use, copy, modify, merge, publish,
 
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// distribute, sublicense, and/or sell copies of the Software, and to
 
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// permit persons to whom the Software is furnished to do so, subject to
 
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// the following conditions:
 
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// 
 
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// The above copyright notice and this permission notice shall be
 
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// included in all copies or substantial portions of the Software.
 
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// 
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
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//
 
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using System;
 
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using System.Runtime.InteropServices;
 
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using MonoMac.CoreFoundation;
 
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using MonoMac.Foundation;
 
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using MonoMac.AudioUnit;
 
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namespace MonoMac.AudioToolbox {
 
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        [StructLayout (LayoutKind.Sequential)]
 
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        public struct AudioClassDescription
 
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        {
 
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                public AudioCodecComponentType Type;
 
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                public AudioFormatType SubType;
 
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                public AudioCodecManufacturer Manufacturer;
 
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                public AudioClassDescription (AudioCodecComponentType type, AudioFormatType subType, AudioCodecManufacturer manufacturer)
 
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                {
 
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                        Type = type;
 
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                        SubType = subType;
 
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                        Manufacturer = manufacturer;
 
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                }
 
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                public bool IsHardwareCodec {
 
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                        get {
 
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                                return Manufacturer == AudioCodecManufacturer.AppleHardware;
 
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                        }
 
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                }
 
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/*
 
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                // TODO: Fails with 'prop', so probably Apple never implemented it
 
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                // The documentation is wrong too
 
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                public unsafe static uint? HardwareCodecCapabilities (AudioClassDescription[] descriptions)
 
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                {
 
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                        if (descriptions == null)
 
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                                throw new ArgumentNullException ("descriptions");
 
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                        fixed (AudioClassDescription* item = &descriptions[0]) {
 
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                                uint successfulCodecs;
 
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                                int size = sizeof (uint);
 
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                                var ptr_size = Marshal.SizeOf (typeof (AudioClassDescription)) * descriptions.Length;
 
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                                var res = AudioFormatPropertyNative.AudioFormatGetProperty (AudioFormatProperty.HardwareCodecCapabilities, ptr_size, item, ref size, out successfulCodecs);
 
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                                if (res != 0)
 
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                                        return null;
 
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                                return successfulCodecs;
 
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                        }
 
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                }
 
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*/
 
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        }
 
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        public enum AudioCodecComponentType
 
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        {
 
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                Decoder = 0x61646563,   // 'adec'       
 
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                Encoder = 0x61656e63,   // 'aenc'
 
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        }
 
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}
 
 
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