80 lines
2.0 KiB
C#
80 lines
2.0 KiB
C#
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using OptimeGBA;
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using System;
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using UnityEngine;
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public class AudioProvider : MonoBehaviour
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{
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[SerializeField]
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private AudioSource m_as;
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private RingBuffer<float> _buffer;
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private TimeSpan lastElapsed;
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public double audioFPS { get; private set; }
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float lastData = 0;
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public void Awake()
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{
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//var dummy = AudioClip.Create("dummy", 1,2, AudioSettings.outputSampleRate, false);
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AudioClip clip = AudioClip.Create("blank", GbaAudio.SampleRate * 2, 2, GbaAudio.SampleRate, true);
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_buffer = new RingBuffer<float>(GbaAudio.SampleRate * 2);
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m_as.clip = clip;
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m_as.playOnAwake = true;
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//m_as.loop = true;
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m_as.spatialBlend = 1;
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}
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public void Initialize()
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{
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if (!m_as.isPlaying)
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{
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m_as.Play();
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}
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}
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private void OnAudioFilterRead(float[] data, int channels)
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{
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int step = channels;
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step = 1;
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for (int i = 0; i < data.Length; i += step)
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{
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if (_buffer.TryRead(out float rawData))
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{
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data[i] = rawData;
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}
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else
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{
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break;
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}
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}
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//int step = channels;
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//step = 1;
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//for (int i = 0; i < data.Length; i += step)
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//{
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// float rawFloat = lastData;
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// if (_buffer.TryRead(out float rawData))
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// {
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// rawFloat = rawData;
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// }
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// data[i] = rawFloat;
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// for (int fill = 1; fill < step; fill++)
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// data[i + fill] = rawFloat;
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// lastData = rawFloat;
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//}
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}
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public void AudioReady(float[] data)
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{
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if (!Emulator.instance.EnableAudio) return;
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var current = Emulator.sw.Elapsed;
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var delta = current - lastElapsed;
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lastElapsed = current;
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audioFPS = 1d / delta.TotalSeconds;
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for (int i = 0; i < data.Length; i++)
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{
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_buffer.Write(data[i]);
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}
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}
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}
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