46 lines
1.3 KiB
C#
46 lines
1.3 KiB
C#
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/* Copyright (C) 2014 DaikonForge */
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namespace DaikonForge.VoIP
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{
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/// <summary>
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/// Helper class for separating input microphone data into chunks of a certain number of samples
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/// </summary>
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public class ChunkBuffer
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{
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//private List<float> samples = new List<float>();
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private FastList<float> samples = new FastList<float>();
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/// <summary>
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/// Add incoming samples to the buffer
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/// </summary>
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public void AddSamples( BigArray<float> incomingSamples )
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{
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int writeIndex = samples.Count * 4;
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int newLength = samples.Count + incomingSamples.Length;
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int writeBytes = incomingSamples.Length * 4;
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samples.EnsureCapacity( newLength );
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samples.ForceCount( newLength );
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incomingSamples.CopyTo( 0, samples.Items, writeIndex, writeBytes );
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//for( int i = 0; i < incomingSamples.Length; i++ )
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//{
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// samples[ writeIndex + i ] = incomingSamples[ i ];
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//}
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}
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/// <summary>
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/// Retrieve a chunk of the given size and fill destination array with samples
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/// </summary>
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/// <returns>True if a chunk is available, false otherwise</returns>
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public bool RetrieveChunk( float[] destination )
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{
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if( samples.Count < destination.Length ) return false;
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for( int i = 0; i < destination.Length; i++ )
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{
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destination[ i ] = samples[ i ];
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}
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samples.RemoveRange( 0, destination.Length );
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return true;
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}
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}
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}
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