73 lines
1.8 KiB
C#
73 lines
1.8 KiB
C#
//This file is deprecated. Use the high level voip system instead:
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// https://developer.oculus.com/documentation/platform/latest/concepts/dg-cc-voip/
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//
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// NOTE for android developers: The existence of UnityEngine.Microphone causes Unity to insert the
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// android.permission.RECORD_AUDIO permission into the AndroidManifest.xml generated at build time
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#if OVR_PLATFORM_USE_MICROPHONE
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using UnityEngine;
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using System.Collections.Generic;
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namespace Oculus.Platform
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{
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public class MicrophoneInput : IMicrophone
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{
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AudioClip microphoneClip;
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int lastMicrophoneSample;
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int micBufferSizeSamples;
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private Dictionary<int, float[]> micSampleBuffers;
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public MicrophoneInput()
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{
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int bufferLenSeconds = 1; //minimum size unity allows
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int inputFreq = 48000; //this frequency is fixed throughout the voip system atm
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microphoneClip = Microphone.Start(null, true, bufferLenSeconds, inputFreq);
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micBufferSizeSamples = bufferLenSeconds * inputFreq;
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micSampleBuffers = new Dictionary<int, float[]>();
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}
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public void Start()
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{
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}
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public void Stop()
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{
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}
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public float[] Update()
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{
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int pos = Microphone.GetPosition(null);
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int copySize = 0;
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if (pos < lastMicrophoneSample)
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{
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int endOfBufferSize = micBufferSizeSamples - lastMicrophoneSample;
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copySize = endOfBufferSize + pos;
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}
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else
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{
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copySize = pos - lastMicrophoneSample;
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}
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if (copySize == 0) {
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return null;
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}
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float[] samples;
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if (!micSampleBuffers.TryGetValue(copySize, out samples))
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{
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samples = new float[copySize];
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micSampleBuffers[copySize] = samples;
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}
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microphoneClip.GetData(samples, lastMicrophoneSample);
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lastMicrophoneSample = pos;
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return samples;
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}
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}
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}
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#endif
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