Opentk/Source/OpenTK/Audio/SoundFormat.cs
the_fiddler 5ff51ba9fe Moved OpenTK.OpenAL to OpenTK.Audio.
Added SoundReader class.
Added OpenTK.Math.Functions.NextPowerOfTwo 
Fixed several AL functions, and added overloads to AL.BufferData.
Added OpenAL wave playback sample.
2008-04-04 19:46:08 +00:00

77 lines
2.7 KiB
C#

using System;
namespace OpenTK.Audio
{
/// <summary>Describes the format of the SoundData.</summary>
public struct SoundFormat
{
#region --- Constructors ---
/// <summary>Constructs a new SoundFormat.</summary>
public SoundFormat(int channels, int bitsPerSample, int sampleRate)
{
if (sampleRate <= 0) throw new ArgumentOutOfRangeException("sampleRate", "Must be higher than 0.");
SampleFormat = 0;
switch (channels)
{
case 1:
if (bitsPerSample == 8) SampleFormat = SampleFormat.Mono8;
else if (bitsPerSample == 16) SampleFormat = SampleFormat.Mono16;
break;
case 2:
if (bitsPerSample == 8) SampleFormat = SampleFormat.Stereo8;
else if (bitsPerSample == 16) SampleFormat = SampleFormat.Stereo16;
break;
}
SampleRate = sampleRate;
}
#endregion
#region --- Public Members ---
/// <summary>Describes the SampleFormat of the SoundData.</summary>
public readonly SampleFormat SampleFormat;
/// <summary>Describes the sample rate (frequency) of the SoundData.</summary>
public readonly int SampleRate;
/// <summary>Gets the SampleFormat of the buffer as an OpenTK.Audio.ALFormat enumeration.</summary>
public OpenTK.Audio.ALFormat SampleFormatAsOpenALFormat
{
get
{
switch (SampleFormat)
{
case SampleFormat.Mono8: return OpenTK.Audio.ALFormat.Mono8;
case SampleFormat.Mono16: return OpenTK.Audio.ALFormat.Mono16;
case SampleFormat.Stereo8: return OpenTK.Audio.ALFormat.Stereo8;
case SampleFormat.Stereo16: return OpenTK.Audio.ALFormat.Stereo16;
default: throw new NotSupportedException("Unknown PCM SampleFormat.");
}
}
}
#endregion
}
#region public enum SampleFormat
/// <summary>Defines the available formats for SoundData.</summary>
public enum SampleFormat
{
/// <summary>8 bits per sample, 1 channel.</summary>
Mono8 = OpenTK.Audio.ALFormat.Mono8,
/// <summary>16 bits per sample, 1 channel.</summary>
Mono16 = OpenTK.Audio.ALFormat.Mono16,
/// <summary>8 bits per sample, 2 channels.</summary>
Stereo8 = OpenTK.Audio.ALFormat.Stereo8,
/// <summary>16 bits per sample, 2 channels.</summary>
Stereo16 = OpenTK.Audio.ALFormat.Stereo16
}
#endregion
}