namespace NSpeex
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{
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using System;
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public class SpeexEncoder
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{
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private readonly Bits bits = new Bits();
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private readonly IEncoder encoder;
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private readonly int frameSize;
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private readonly float[] rawData;
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public const string Version = ".Net Speex Encoder v0.0.1";
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public SpeexEncoder(BandMode mode)
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{
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switch (mode)
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{
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case BandMode.Narrow:
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this.encoder = new NbEncoder();
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break;
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case BandMode.Wide:
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this.encoder = new SbEncoder(false);
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break;
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case BandMode.UltraWide:
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this.encoder = new SbEncoder(true);
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break;
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default:
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throw new ArgumentException("Invalid mode", "mode");
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}
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this.frameSize = this.encoder.FrameSize;
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this.rawData = new float[this.frameSize];
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}
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public int Encode(short[] inData, int inOffset, int inCount, byte[] outData, int outOffset, int outCount)
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{
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this.bits.Reset();
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int num = 0;
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int num2 = 0;
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while (num < inCount)
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{
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for (int i = 0; i < this.frameSize; i++)
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{
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this.rawData[i] = inData[(inOffset + i) + num];
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}
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num2 += this.encoder.Encode(this.bits, this.rawData);
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num += this.frameSize;
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}
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if (num2 == 0)
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{
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return 0;
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}
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return this.bits.Write(outData, outOffset, outCount);
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}
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public int FrameSize {
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get { return this.frameSize; }
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}
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public int Quality {
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set {
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this.encoder.Quality = value;
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}
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}
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public int SampleRate {
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get { return this.encoder.SamplingRate; }
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}
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public bool VBR {
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get {
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return this.encoder.Vbr;
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}
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set {
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this.encoder.Vbr = value;
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}
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}
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}
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}
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