50 lines
1.6 KiB
C#
50 lines
1.6 KiB
C#
using System.Runtime.InteropServices;
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using System.Text;
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namespace Jellyfish.Library
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{
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[StructLayout(LayoutKind.Sequential)]
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public sealed class WaveFormat
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{
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public WaveFormat(int sampleRate, int sampleChannels, int sampleBits)
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{
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_formatTag = WaveFormatPcm;
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_samplesPerSec = sampleRate;
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_channels = (short)sampleChannels;
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_bitsPerSample = (short)sampleBits;
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_blockAlign = (short)(sampleChannels * sampleBits / 8);
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_averageBytesPerSec = sampleRate * _blockAlign;
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}
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public string ToHexString() // little endian
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{
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var builder = new StringBuilder();
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builder.AppendHex(_formatTag);
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builder.AppendHex(_channels);
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builder.AppendHex(_samplesPerSec);
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builder.AppendHex(_averageBytesPerSec);
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builder.AppendHex(_blockAlign);
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builder.AppendHex(_bitsPerSample);
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builder.AppendHex(_size);
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return builder.ToString();
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}
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public int SamplesPerSec { get { return _samplesPerSec; } } // no auto props
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public int Channels { get { return _channels; } }
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public int BitsPerSample { get { return _bitsPerSample; } }
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public int AverageBytesPerSec { get { return _averageBytesPerSec; } }
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private const int WaveFormatPcm = 1;
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private short _formatTag;
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private short _channels;
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private int _samplesPerSec;
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private int _averageBytesPerSec;
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private short _blockAlign;
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private short _bitsPerSample;
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private short _size;
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}
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}
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