private byte[] SpeexEncode(short[] input, BandMode mode)
{
NSpeex.SpeexEncoder speexEnc = null;
int byteLen = 320;
switch (mode)
{
case BandMode.Narrow:
speexEnc = m_narrow_enc;
byteLen = 320;
break;
case BandMode.Wide:
speexEnc = m_wide_enc;
byteLen = 640;
break;
case BandMode.UltraWide:
speexEnc = m_ultrawide_enc;
byteLen = 1280;
break;
}
byte[] encoded = USpeakPoolUtils.GetByte(byteLen + 4);
int length = speexEnc.Encode(input, 0, input.Length, encoded, 4, encoded.Length);
// first 4 bytes contains length
byte[] len_bytes = BitConverter.GetBytes(length);
System.Array.Copy(len_bytes, encoded, 4);
return(encoded);
}
public static byte[] SpeexCompress(float[] input, out int length)
{
short[] shortBuffer = new short[input.Length];
byte[] encoded = new byte[input.Length];
input.ToShortArray(shortBuffer);
length = speexEnc.Encode(shortBuffer, 0, shortBuffer.Length, encoded, 0, encoded.Length);
return(encoded);
}
static byte[] SpeexCompress(float[] input, out int length)
{
short[] shortBuffer = VoiceChatShortPool.Instance.Get();
byte[] encoded = VoiceChatBytePool.Instance.Get();
input.ToShortArray(shortBuffer);
length = speexEnc.Encode(shortBuffer, 0, input.Length, encoded, 0, encoded.Length);
VoiceChatShortPool.Instance.Return(shortBuffer);
return(encoded);
}
static byte[] SpeexCompress(float[] input, out int length)
{
short[] shortBuffer = new short[VoiceChatSettings.sampleSize];
byte[] encoded = new byte[VoiceChatSettings.sampleSize];
input.ToShortArray(shortBuffer);
length = speexEnc.Encode(shortBuffer, 0, input.Length, encoded, 0, encoded.Length);
// Debug.Log("compress length=" + length + " speexEnc.FrameSize" + speexEnc.FrameSize
// + " speexEnc.SampleRate" + speexEnc.SampleRate + " speexEnc.VBR" + speexEnc.VBR);
return(encoded);
}
public byte[] Encode(float[] data)
{
//Convert
Convert(data, ref encodingBuffer);
int length = encoder.Encode(encodingBuffer, 0, encodingBuffer.Length, encodedBuffer, 0, encodedBuffer.Length);
//Copy to temp.
var tmp = new byte[length];
Buffer.BlockCopy(encodedBuffer, 0, tmp, 0, tmp.Length);
//Return encoded data.
return(tmp);
}
private void Update()
{
isRecording = Input.GetKey(KeyCode.P);
client.UpdateClient();
if (client.peers.Count > 0)
{
while (packets.Count > 0)
{
float[] curPacket = packets.Dequeue();
ToShortArray(curPacket, outBufferShort);
int resLen = speexEnc.Encode(outBufferShort, 0, curPacket.Length, outBuffer, 0, outBuffer.Length);
client.SendMessageToAll(outBuffer, 0, resLen, true);
}
}
}
private byte[] EncodeAudio(short[] rawData)
{
var encoder = new NSpeex.SpeexEncoder(NSpeex.BandMode.Wide);
encoder.Quality = 1;
var encodedData = new List <byte[]>();
var inDataSize = rawData.Length;
inDataSize = inDataSize + inDataSize % encoder.FrameSize;
var inData = new short[inDataSize];
System.Array.Copy(rawData, inData, rawData.Length);
var encodingFrameSize = encoder.FrameSize;
var encodedBuffer = new byte[1024];
for (var offset = 0; offset + encodingFrameSize < inDataSize; offset += encodingFrameSize)
{
var encodedBytes = encoder.Encode(inData, offset, encodingFrameSize, encodedBuffer, 0, encodingFrameSize);
var encodedFrame = new byte[encodedBytes];
System.Array.Copy(encodedBuffer, 0, encodedFrame, 0, encodedBytes);
encodedData.Add(encodedFrame);
}
var ms = new MemoryStream();
var countBits = BitConverter.GetBytes((Int32)encodedData.Count);
ms.Write(countBits, 0, countBits.Length);
for (int i = 0; i < encodedData.Count; i++)
{
var d = encodedData[i];
var bc = BitConverter.GetBytes((Int32)d.Length);
ms.Write(bc, 0, bc.Length);
}
for (int i = 0; i < encodedData.Count; i++)
{
var d = encodedData[i];
ms.Write(d, 0, d.Length);
}
return(ms.ToArray());
}
