using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using System;
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namespace UnityOpus {
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public class Decoder : IDisposable {
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public const int maximumPacketDuration = Library.maximumPacketDuration;
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IntPtr decoder;
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readonly NumChannels channels;
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readonly float[] softclipMem;
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public Decoder(
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SamplingFrequency samplingFrequency,
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NumChannels channels) {
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ErrorCode error;
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this.channels = channels;
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decoder = Library.OpusDecoderCreate(
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samplingFrequency,
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channels,
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out error);
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if (error != ErrorCode.OK) {
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Debug.LogError("[UnityOpus] Failed to create Decoder. Error code is " + error.ToString());
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decoder = IntPtr.Zero;
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}
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softclipMem = new float[(int)channels];
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}
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public int Decode(
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byte[] data,
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int dataLength,
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short[] pcm,
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int decodeFec = 0) {
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if (decoder == IntPtr.Zero) {
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return 0;
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}
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var decodedLength = Library.OpusDecode(
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decoder,
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data,
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dataLength,
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pcm,
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160,//pcm.Length / (int)channels,
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decodeFec);
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//Library.OpusPcmSoftClip(
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// pcm,
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// decodedLength / (int)channels,
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// channels,
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// softclipMem);
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return decodedLength;
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}
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#region IDisposable Support
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private bool disposedValue = false; // 重複する呼び出しを検出するには
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protected virtual void Dispose(bool disposing) {
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if (!disposedValue) {
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if (decoder == IntPtr.Zero) {
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return;
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}
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Library.OpusDecoderDestroy(decoder);
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decoder = IntPtr.Zero;
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disposedValue = true;
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}
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}
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~Decoder() {
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Dispose(false);
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}
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public void Dispose() {
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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#endregion
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}
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}
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