音频解决
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@ -44,9 +44,9 @@ public class Essgeeinit : MonoBehaviour
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uegResources = new UEGResources();
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uegLog = new UEGLog();
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InitAll(uegResources, Application.persistentDataPath);
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LoadAndRunCartridge("G:/psjapa.sms");
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//LoadAndRunCartridge("G:/psjapa.sms");
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//LoadAndRunCartridge("G:/Ninja_Gaiden_(UE)_type_A_[!].sms");
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//LoadAndRunCartridge("G:/SML2.gb");
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LoadAndRunCartridge("G:/SML2.gb");
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}
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void OnDisable()
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@ -1,26 +1,60 @@
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using UnityEngine;
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public class UEGSoundPlayer : MonoBehaviour//, ISoundPlayer
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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 = new RingBuffer<float>(4096);
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private RingBuffer<float> _buffer = new RingBuffer<float>(44100*2);
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private TimeSpan lastElapsed;
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public double audioFPS { get; private set; }
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public bool IsRecording { get; private set; }
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float lastData = 0;
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private AudioClip audioClip;
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private int writePos = 0;
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private float[] buffer;
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void Awake()
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void Start()
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{
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AudioClip dummy = AudioClip.Create("dummy", 1, 2, AudioSettings.outputSampleRate, false);
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//AudioClip dummy = AudioClip.Create("dummy", 1, 2, 44100, false);
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dummy.SetData(new float[] { 1, 1 }, 0);
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m_as.clip = dummy;
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m_as.loop = true;
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m_as.spatialBlend = 1;
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GetComponent<AudioSource>().PlayOneShot(audioClip);
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}
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private Queue<float> sampleQueue = new Queue<float>();
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// 外部填充数据
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public void AddData(float[] data)
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{
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lock (sampleQueue)
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{
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foreach (var sample in data)
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{
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sampleQueue.Enqueue(sample);
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}
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}
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}
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// Unity 音频线程回调
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void OnAudioFilterRead(float[] data, int channels)
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{
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lock (sampleQueue)
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{
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for (int i = 0; i < data.Length; i++)
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{
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if (sampleQueue.Count > 0)
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data[i] = sampleQueue.Dequeue();
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else
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data[i] = 0; // 无数据时静音
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}
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}
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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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@ -37,25 +71,6 @@ public class UEGSoundPlayer : MonoBehaviour//, ISoundPlayer
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}
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}
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void OnAudioFilterRead(float[] data, int channels)
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{
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if (!Essgeeinit.bInGame) return;
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int step = channels;
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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 unsafe void SubmitSamples(short* buffer, short*[] ChannelSamples, int samples_a)
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{
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var current = Essgeeinit.sw.Elapsed;
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@ -63,22 +78,30 @@ public class UEGSoundPlayer : MonoBehaviour//, ISoundPlayer
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lastElapsed = current;
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audioFPS = 1d / delta.TotalSeconds;
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//for (int i = 0; i < samples_a; i++)
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//for (int i = 0; i < samples_a; i += 1)
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//{
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// short left = BitConverter.ToInt16(buffer, i * 2 * 2);
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// //short right = BitConverter.ToInt16(buffer, i * 2 * 2 + 2);
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// _buffer.Write(left / 32767.0f);
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// //_buffer.Write(right / 32767.0f);
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// //_buffer.Write(((i % 2 == 0)?-1:1) * buffer[i] / 32767.0f);
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// _buffer.Write(buffer[i] / 32767.0f);
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//}
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for (int i = 0; i < samples_a; i += 2)
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AddData(ConvertShortToFloat(buffer, samples_a));
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if (IsRecording)
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{
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_buffer.Write(buffer[i] / 32767.0f);
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//_buffer.Write(buffer[i] / 32767.0f);
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dataChunk.AddSampleData(buffer, samples_a);
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waveHeader.FileLength += (uint)samples_a;
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}
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}
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unsafe float[] ConvertShortToFloat(short* input,int length)
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{
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float[] output = new float[length];
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for (int i = 0; i < length; i++)
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{
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output[i] = input[i] / 32768.0f;
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}
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return output;
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}
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public void BufferWirte(int Off, byte[] Data)
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{
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}
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@ -96,4 +119,207 @@ public class UEGSoundPlayer : MonoBehaviour//, ISoundPlayer
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return;
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m_as.volume = Vol;
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}
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void Update()
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{
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if (Input.GetKeyDown(KeyCode.F3))
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{
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BeginRecording();
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Debug.Log("录制");
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}
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if (Input.GetKeyDown(KeyCode.F4))
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{
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SaveRecording("D:/1.wav");
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Debug.Log("保存");
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}
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}
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WaveHeader waveHeader;
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FormatChunk formatChunk;
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DataChunk dataChunk;
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public void BeginRecording()
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{
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waveHeader = new WaveHeader();
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formatChunk = new FormatChunk(44100, 2);
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dataChunk = new DataChunk();
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waveHeader.FileLength += formatChunk.Length();
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IsRecording = true;
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}
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public void SaveRecording(string filename)
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{
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using (FileStream file = new FileStream(filename, FileMode.Create, FileAccess.Write, FileShare.ReadWrite))
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{
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file.Write(waveHeader.GetBytes(), 0, (int)waveHeader.Length());
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file.Write(formatChunk.GetBytes(), 0, (int)formatChunk.Length());
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file.Write(dataChunk.GetBytes(), 0, (int)dataChunk.Length());
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}
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IsRecording = false;
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}
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class WaveHeader
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{
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const string fileTypeId = "RIFF";
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const string mediaTypeId = "WAVE";
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public string FileTypeId { get; private set; }
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public uint FileLength { get; set; }
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public string MediaTypeId { get; private set; }
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public WaveHeader()
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{
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FileTypeId = fileTypeId;
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MediaTypeId = mediaTypeId;
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FileLength = 4; /* Minimum size is always 4 bytes */
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}
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public byte[] GetBytes()
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{
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List<byte> chunkData = new List<byte>();
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chunkData.AddRange(Encoding.ASCII.GetBytes(FileTypeId));
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chunkData.AddRange(BitConverter.GetBytes(FileLength));
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chunkData.AddRange(Encoding.ASCII.GetBytes(MediaTypeId));
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return chunkData.ToArray();
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}
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public uint Length()
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{
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return (uint)GetBytes().Length;
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}
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}
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class FormatChunk
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{
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const string chunkId = "fmt ";
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ushort bitsPerSample, channels;
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uint frequency;
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public string ChunkId { get; private set; }
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public uint ChunkSize { get; private set; }
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public ushort FormatTag { get; private set; }
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public ushort Channels
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{
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get { return channels; }
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set { channels = value; RecalcBlockSizes(); }
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}
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public uint Frequency
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{
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get { return frequency; }
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set { frequency = value; RecalcBlockSizes(); }
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}
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public uint AverageBytesPerSec { get; private set; }
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public ushort BlockAlign { get; private set; }
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public ushort BitsPerSample
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{
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get { return bitsPerSample; }
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set { bitsPerSample = value; RecalcBlockSizes(); }
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}
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public FormatChunk()
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{
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ChunkId = chunkId;
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ChunkSize = 16;
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FormatTag = 1; /* MS PCM (Uncompressed wave file) */
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Channels = 2; /* Default to stereo */
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Frequency = 44100; /* Default to 44100hz */
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BitsPerSample = 16; /* Default to 16bits */
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RecalcBlockSizes();
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}
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public FormatChunk(int frequency, int channels) : this()
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{
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Channels = (ushort)channels;
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Frequency = (ushort)frequency;
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RecalcBlockSizes();
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}
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private void RecalcBlockSizes()
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{
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BlockAlign = (ushort)(channels * (bitsPerSample / 8));
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AverageBytesPerSec = frequency * BlockAlign;
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}
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public byte[] GetBytes()
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{
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List<byte> chunkBytes = new List<byte>();
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chunkBytes.AddRange(Encoding.ASCII.GetBytes(ChunkId));
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chunkBytes.AddRange(BitConverter.GetBytes(ChunkSize));
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chunkBytes.AddRange(BitConverter.GetBytes(FormatTag));
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chunkBytes.AddRange(BitConverter.GetBytes(Channels));
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chunkBytes.AddRange(BitConverter.GetBytes(Frequency));
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chunkBytes.AddRange(BitConverter.GetBytes(AverageBytesPerSec));
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chunkBytes.AddRange(BitConverter.GetBytes(BlockAlign));
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chunkBytes.AddRange(BitConverter.GetBytes(BitsPerSample));
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return chunkBytes.ToArray();
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}
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public uint Length()
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{
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return (uint)GetBytes().Length;
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}
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}
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class DataChunk
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{
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const string chunkId = "data";
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public string ChunkId { get; private set; }
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public uint ChunkSize { get; set; }
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public List<short> WaveData { get; private set; }
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public DataChunk()
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{
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ChunkId = chunkId;
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ChunkSize = 0;
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WaveData = new List<short>();
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}
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public byte[] GetBytes()
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{
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List<byte> chunkBytes = new List<byte>();
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chunkBytes.AddRange(Encoding.ASCII.GetBytes(ChunkId));
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chunkBytes.AddRange(BitConverter.GetBytes(ChunkSize));
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byte[] bufferBytes = new byte[WaveData.Count * 2];
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Buffer.BlockCopy(WaveData.ToArray(), 0, bufferBytes, 0, bufferBytes.Length);
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chunkBytes.AddRange(bufferBytes.ToList());
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return chunkBytes.ToArray();
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}
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public uint Length()
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{
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return (uint)GetBytes().Length;
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}
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public void AddSampleData(short[] stereoBuffer)
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{
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WaveData.AddRange(stereoBuffer);
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ChunkSize += (uint)(stereoBuffer.Length * 2);
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}
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public unsafe void AddSampleData(short* stereoBuffer,int lenght)
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{
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for (int i = 0; i < lenght; i++)
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{
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WaveData.Add(stereoBuffer[i]);
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}
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ChunkSize += (uint)(lenght * 2);
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}
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}
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}
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