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85 lines
2.9 KiB
C#
85 lines
2.9 KiB
C#
#region --- License ---
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/* Licensed under the MIT/X11 license.
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* Copyright (c) 2006-2008 the OpenTK Team.
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* This notice may not be removed from any source distribution.
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* See license.txt for licensing details.
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*/
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#endregion
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using System;
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namespace OpenTK.Audio
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{
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/// <summary>Describes the format of the SoundData.</summary>
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public struct SoundFormat
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{
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#region --- Constructors ---
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/// <summary>Constructs a new SoundFormat.</summary>
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public SoundFormat(int channels, int bitsPerSample, int sampleRate)
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{
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if (sampleRate <= 0) throw new ArgumentOutOfRangeException("sampleRate", "Must be higher than 0.");
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SampleFormat = 0;
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switch (channels)
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{
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case 1:
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if (bitsPerSample == 8) SampleFormat = SampleFormat.Mono8;
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else if (bitsPerSample == 16) SampleFormat = SampleFormat.Mono16;
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break;
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case 2:
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if (bitsPerSample == 8) SampleFormat = SampleFormat.Stereo8;
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else if (bitsPerSample == 16) SampleFormat = SampleFormat.Stereo16;
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break;
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}
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SampleRate = sampleRate;
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}
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#endregion
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#region --- Public Members ---
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/// <summary>Describes the SampleFormat of the SoundData.</summary>
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public readonly SampleFormat SampleFormat;
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/// <summary>Describes the sample rate (frequency) of the SoundData.</summary>
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public readonly int SampleRate;
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/// <summary>Gets the SampleFormat of the buffer as an OpenTK.Audio.ALFormat enumeration.</summary>
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public OpenTK.Audio.ALFormat SampleFormatAsOpenALFormat
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{
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get
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{
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switch (SampleFormat)
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{
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case SampleFormat.Mono8: return OpenTK.Audio.ALFormat.Mono8;
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case SampleFormat.Mono16: return OpenTK.Audio.ALFormat.Mono16;
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case SampleFormat.Stereo8: return OpenTK.Audio.ALFormat.Stereo8;
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case SampleFormat.Stereo16: return OpenTK.Audio.ALFormat.Stereo16;
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default: throw new NotSupportedException("Unknown PCM SampleFormat.");
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}
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}
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}
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#endregion
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}
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#region public enum SampleFormat
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/// <summary>Defines the available formats for SoundData.</summary>
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public enum SampleFormat
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{
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/// <summary>8 bits per sample, 1 channel.</summary>
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Mono8 = OpenTK.Audio.ALFormat.Mono8,
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/// <summary>16 bits per sample, 1 channel.</summary>
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Mono16 = OpenTK.Audio.ALFormat.Mono16,
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/// <summary>8 bits per sample, 2 channels.</summary>
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Stereo8 = OpenTK.Audio.ALFormat.Stereo8,
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/// <summary>16 bits per sample, 2 channels.</summary>
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Stereo16 = OpenTK.Audio.ALFormat.Stereo16
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}
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#endregion
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} |