void GetRelativeVolume(VoiceChatPacket packet, out float maxAmplitude, out int highVolumeFrequency, out int minFrequency, out int maxFrequency)
{
float[] sample = null;
VoiceChatUtils.Decompress(new NSpeex.SpeexDecoder(NSpeex.BandMode.Narrow), packet, out sample);
// clear fftBuffer
for (int i = 0; i < fftBuffer.Length; ++i)
{
fftBuffer[i] = 0;
}
Array.Copy(sample, 0, fftBuffer, 0, sample.Length);
Exocortex.DSP.Fourier.FFT(fftBuffer, fftBuffer.Length / 2, Exocortex.DSP.FourierDirection.Forward);
highVolumeFrequency = -1;
minFrequency = -1;
maxFrequency = -1;
maxAmplitude = -1;
for (int i = 0; i < fftBuffer.Length; ++i)
{
if (fftBuffer[i] > maxAmplitude)
{
maxAmplitude = fftBuffer[i];
highVolumeFrequency = i;
}
if (minFrequency == -1 && fftBuffer[i] > 0)
{
minFrequency = i;
}
if (fftBuffer[i] > 0)
{
maxFrequency = i;
}
}
}
//播放录音
public void PlayRecording(int voiceLen)
{
if (source == null)
{
return;
}
iPhoneSpeaker.ForceToSpeaker();
int size = VoiceChatSettings.Instance.SampleSize;
voiceLen = voiceLen / compressLen * size;
VoiceChatPacket packet = new VoiceChatPacket();
packet.Compression = VoiceChatSettings.Instance.Compression;
packet.Data = VoiceChatBytePool.Instance.Get();
packet.Length = compressLen;
for (int i = 0; i < voiceLen; i += size)
{
float[] sample = null;
Array.Copy(cacheData, i, packet.Data, 0, size);
int length = VoiceChatUtils.Decompress(speexDec, packet, out sample);
Array.Copy(sample, 0, data, i, length);
VoiceChatFloatPool.Instance.Return(sample);
}
source.clip.SetData(data, 0);
source.Play();
// isPlaying = true;
VoiceChatBytePool.Instance.Return(packet.Data);
}
public void OnNewSample(VoiceChatPacket newPacket)
{
// Set last time we got something
lastRecvTime = Time.time;
packetsToPlay.Add(newPacket.PacketId, newPacket);
if (packetsToPlay.Count < 10)
{
return;
}
var pair = packetsToPlay.First();
var packet = pair.Value;
packetsToPlay.Remove(pair.Key);
// Decompress
float[] sample = null;
int length = VoiceChatUtils.Decompress(speexDec, packet, out sample);
// Add more time to received
received += VoiceChatSettings.Instance.SampleTime;
// Push data to buffer
Array.Copy(sample, 0, data, index, length);
// Increase index
index += length;
// Handle wrap-around
if (index >= audioSource.clip.samples)
{
index = 0;
}
// Set data
audioSource.clip.SetData(data, 0);
//if (!audioSource.isPlaying)
// audioSource.Play();
// If we're not playing
if (!audioSource.isPlaying)
{
// Set that we should be playing
shouldPlay = true;
// And if we have no delay set, set it.
if (playDelay <= 0)
{
playDelay = (float)VoiceChatSettings.Instance.SampleTime * playbackDelay;
}
}
VoiceChatFloatPool.Instance.Return(sample);
}
public void OnNewSample(VoiceChatPacket packet)
{
if (!initialized)
{
Start();
}
// Store last packet
// Set last time we got something
lastRecvTime = Time.time;
// Decompress
float[] sample = null;
int length = VoiceChatUtils.Decompress(speexDec, packet, out sample);
// Add more time to received
received += VoiceChatSettings.Instance.SampleTime;
// Push data to buffer
Array.Copy(sample, 0, data, index, length);
// Increase index
index += length;
// Handle wrap-around
if (index >= GetComponent <AudioSource>().clip.samples)
{
index = 0;
}
// Set data
GetComponent <AudioSource>().clip.SetData(data, 0);
// If we're not playing
if (!GetComponent <AudioSource>().isPlaying)
{
// Set that we should be playing
shouldPlay = true;
// And if we have no delay set, set it.
if (playDelay <= 0)
{
playDelay = (float)VoiceChatSettings.Instance.SampleTime * playbackDelay;
}
}
VoiceChatFloatPool.Instance.Return(sample);
}