//根据byte数组，得到一个声音片段
public AudioClip BytesToAudioClip(byte[] buffer)
{
//byte数组和声音长度的换算 这里暂时不知道稳不稳定
float _nAudioTime = buffer.Length / ByteInLengthPropotion;
//长度不难为0否则会报错
if (_nAudioTime <= 0.1f)
{
_nAudioTime = 0.1f;
}
//创建声音片段，取样大小==声音长度*频率
AudioClip clip = AudioClip.Create("AA", (int)(_nAudioTime * RecordFrequency), 1, RecordFrequency, false);
//将_list反序列成完整的声音包列表
List <ViChatPacket> list = new List <ViChatPacket>();
int offest = 0;
while (offest < buffer.Length)
{
ViChatPacket packet = ViChatPacketSerializer.DeSerializer(buffer, offest);
offest = offest + 8 + packet.Data.Length; //8和包长度可能是这个声音包的包头
list.Add(packet);
}
int sampleIndex = 0;
NSpeex.SpeexDecoder _speexDec = new NSpeex.SpeexDecoder(NSpeex.BandMode.Narrow); //解析器
for (int i = 0; i < list.Count; ++i)
{
//取反序列化的声音包
ViChatPacket iterPacket = list[i];
//包内数据拷贝到数组
byte[] sampleData = new byte[iterPacket.DataLength];
Buffer.BlockCopy(iterPacket.Data, 0, sampleData, 0, iterPacket.Length);
//解压
float[] sample = ViSpeexCompress.DeCompress(_speexDec, sampleData, iterPacket.Length);
//将数据添加到声音片段
clip.SetData(sample, sampleIndex);
sampleIndex += sample.Length;
}
return(clip);
}
public void PlayReconding(byte[] buffer, Action action = null)
{
audioSource.clip = AudioClip.Create("AA", 30 * 8000, 1, 8000, false);
//byte[] buffer = _list.ToArray();
//Debug.Log("Length : " + buffer.Length.ToString());
List <ViChatPacket> list = new List <ViChatPacket>();
int offest = 0;
while (offest < buffer.Length)
{
ViChatPacket packet = ViChatPacketSerializer.DeSerializer(buffer, offest);
offest = offest + 8 + packet.Data.Length;
list.Add(packet);
}
//
int sampleIndex = 0;
for (int iter = 0; iter < list.Count; ++iter)
{
ViChatPacket iterPacket = list[iter];
byte[] sampleData = new byte[iterPacket.DataLength];
Buffer.BlockCopy(iterPacket.Data, 0, sampleData, 0, iterPacket.Length);
float[] sample = ViSpeexCompress.DeCompress(_speexDec, sampleData, iterPacket.Length);
audioSource.clip.SetData(sample, sampleIndex);
sampleIndex += sample.Length;
}
AudioManager.Instance.PlayEffectAudio(audioSource.clip, action);
//audioSource.Play();
Debug.Log(audioSource.clip.length);
//if (action != null)
//{
// TimerMgr.instance.Subscribe(audioSource.clip.length * Time.timeScale, false, TimeEventType.IngoreTimeScale).OnComplete(delegate ()
// {
// if (action != null) { action(); }
// });
//}
}
private void _ReSample(ViChatPacket packet)
{
_list.AddRange(ViChatPacketSerializer.Serializer(packet));
}
/// 采样数据
//录音过程中,保存采样包
void OnRecordSample(ViChatPacket packet)
{
_sampleDataList.AddRange(ViChatPacketSerializer.Serializer(packet));
}
