94 lines
2.2 KiB
C#
94 lines
2.2 KiB
C#
using MAME.Core;
|
|
using System;
|
|
using UnityEngine;
|
|
|
|
public class UniSoundPlayer : MonoBehaviour, ISoundPlayer
|
|
{
|
|
[SerializeField]
|
|
private AudioSource m_as;
|
|
private RingBuffer<float> _buffer = new RingBuffer<float>(4096);
|
|
private TimeSpan lastElapsed;
|
|
public double audioFPS { get; private set; }
|
|
float lastData = 0;
|
|
|
|
|
|
void Awake()
|
|
{
|
|
AudioClip dummy = AudioClip.Create("dummy", 1, 2, AudioSettings.outputSampleRate, false);
|
|
dummy.SetData(new float[] { 1, 1 }, 0);
|
|
m_as.clip = dummy;
|
|
m_as.loop = true;
|
|
m_as.spatialBlend = 1;
|
|
}
|
|
|
|
public void Initialize()
|
|
{
|
|
if (!m_as.isPlaying)
|
|
{
|
|
m_as.Play();
|
|
}
|
|
}
|
|
|
|
public void StopPlay()
|
|
{
|
|
if (m_as.isPlaying)
|
|
{
|
|
m_as.Stop();
|
|
}
|
|
}
|
|
|
|
void OnAudioFilterRead(float[] data, int channels)
|
|
{
|
|
if (!UMAME.bInGame) return;
|
|
int step = channels;
|
|
for (int i = 0; i < data.Length; i += step)
|
|
{
|
|
float rawFloat = lastData;
|
|
float rawData;
|
|
if (_buffer.TryRead(out rawData))
|
|
{
|
|
rawFloat = rawData;
|
|
}
|
|
|
|
data[i] = rawFloat;
|
|
for (int fill = 1; fill < step; fill++)
|
|
data[i + fill] = rawFloat;
|
|
lastData = rawFloat;
|
|
}
|
|
}
|
|
|
|
public void SubmitSamples(byte[] buffer, int samples_a)
|
|
{
|
|
var current = UMAME.sw.Elapsed;
|
|
var delta = current - lastElapsed;
|
|
lastElapsed = current;
|
|
audioFPS = 1d / delta.TotalSeconds;
|
|
|
|
|
|
for (int i = 0; i < samples_a; i++)
|
|
{
|
|
short left = BitConverter.ToInt16(buffer, i * 2 * 2);
|
|
//short right = BitConverter.ToInt16(buffer, i * 2 * 2 + 2);
|
|
_buffer.Write(left / 32767.0f);
|
|
//_buffer.Write(right / 32767.0f);
|
|
}
|
|
}
|
|
|
|
public void BufferWirte(int Off, byte[] Data)
|
|
{
|
|
}
|
|
|
|
public void GetCurrentPosition(out int play_position, out int write_position)
|
|
{
|
|
play_position = 0;
|
|
write_position = 0;
|
|
}
|
|
|
|
public void SetVolume(int Vol)
|
|
{
|
|
if (m_as)
|
|
return;
|
|
m_as.volume = Vol;
|
|
}
|
|
}
|