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Location: alysbrooks-public/games/isometric-park-fna/FNA/src/Audio/Microphone.cs - annotation

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Commit Description:
Various UI improvements.
Commit Description:
Various UI improvements.
References:
r291:6a7d5e8510b1 default
File last commit:
r0:e33f209de7e5 default
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FNA/src/Audio/Microphone.cs
217 lines | 3.6 KiB | text/x-csharp | CSharpLexer
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alys
Early working version (including all dependencies, lol).
 r0 #region License
/* FNA - XNA4 Reimplementation for Desktop Platforms
* Copyright 2009-2020 Ethan Lee and the MonoGame Team
*
* Released under the Microsoft Public License.
* See LICENSE for details.
*/
#endregion
#region Using Statements
using System;
using System.Collections.ObjectModel;
#endregion
namespace Microsoft.Xna.Framework.Audio
{
public class Microphone
{
#region Public Static Properties
public static ReadOnlyCollection<Microphone> All
{
get
{
if (micList == null)
{
micList = new ReadOnlyCollection<Microphone>(
FNAPlatform.GetMicrophones()
);
}
return micList;
}
}
public static Microphone Default
{
get
{
if (All.Count == 0)
{
return null;
}
return All[0];
}
}
#endregion
#region Public Properties
public TimeSpan BufferDuration
{
get
{
return bufferDuration;
}
set
{
if ( value.Milliseconds < 100 ||
value.Milliseconds > 1000 ||
value.Milliseconds % 10 != 0 )
{
throw new ArgumentOutOfRangeException();
}
bufferDuration = value;
}
}
public bool IsHeadset
{
get
{
// FIXME: I think this is just for Windows Phone? -flibit
return false;
}
}
public int SampleRate
{
get
{
return SAMPLERATE;
}
}
public MicrophoneState State
{
get;
private set;
}
#endregion
#region Public Variables
public readonly string Name;
#endregion
#region Private Variables
private TimeSpan bufferDuration;
private uint handle;
#endregion
#region Internal Static Variables
internal static ReadOnlyCollection<Microphone> micList;
#endregion
#region Events
public event EventHandler<EventArgs> BufferReady;
#endregion
#region Internal Constants
/* FIXME: This is what XNA4 aims for, but it _could_ be lower.
* Something worth looking at is falling back to lower sample
* rates in powers of two, i.e. 44100, 22050, 11025, etc.
* -flibit
*/
internal const int SAMPLERATE = 44100;
#endregion
#region Internal Constructor
internal Microphone(uint id, string name)
{
handle = id;
Name = name;
bufferDuration = TimeSpan.FromSeconds(1.0);
State = MicrophoneState.Stopped;
}
#endregion
#region Public Methods
public int GetData(byte[] buffer)
{
return GetData(buffer, 0, buffer.Length);
}
public int GetData(byte[] buffer, int offset, int count)
{
if (buffer == null)
{
throw new ArgumentException("buffer is null!");
}
if (offset < 0 || offset > buffer.Length)
{
throw new ArgumentException("offset");
}
if (count <= 0 || (offset + count) > buffer.Length)
{
throw new ArgumentException("count");
}
return FNAPlatform.GetMicrophoneSamples(
handle,
buffer,
offset,
count
);
}
public TimeSpan GetSampleDuration(int sizeInBytes)
{
return SoundEffect.GetSampleDuration(
sizeInBytes,
SampleRate,
AudioChannels.Mono
);
}
public int GetSampleSizeInBytes(TimeSpan duration)
{
return SoundEffect.GetSampleSizeInBytes(
duration,
SampleRate,
AudioChannels.Mono
);
}
public void Start()
{
FNAPlatform.StartMicrophone(handle);
State = MicrophoneState.Started;
}
public void Stop()
{
FNAPlatform.StopMicrophone(handle);
State = MicrophoneState.Stopped;
}
#endregion
#region Internal Methods
internal void CheckBuffer()
{
if ( BufferReady != null &&
GetSampleDuration(FNAPlatform.GetMicrophoneQueuedBytes(handle)) > bufferDuration )
{
BufferReady(this, EventArgs.Empty);
}
}
#endregion
}
}