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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.Text;
using libsecondlife;
namespace OpenSim.Region.Environment.Modules.VoiceChat
{
public enum VoiceCodec
{
None = 0,
PCM8 = 1 << 0,
PCM16 = 1 << 1,
PCM32 = 1 << 2,
Speex = 1 << 3,
}
public class VoicePacket
{
public LLUUID m_clientId;
byte[] m_audioData;
public int m_codec;
public VoicePacket(byte[] data)
{
int pos = 0;
m_codec = data[pos++];
m_codec |= data[pos++] << 8;
m_codec |= data[pos++] << 16;
m_codec |= data[pos++] << 24;
m_audioData = new byte[data.Length - pos];
Buffer.BlockCopy(data, pos, m_audioData, 0, data.Length - pos);
}
public byte[] GetBytes()
{
VoicePacketHeader header = new VoicePacketHeader();
byte[] bytes = new byte[5+16+4+m_audioData.Length];
header.length = bytes.Length-5;
//ToClient packets are type 2
header.type = 2;
int pos = 0;
header.CopyTo(bytes, pos); pos += 5;
m_clientId.GetBytes().CopyTo(bytes, pos); pos += 16;
bytes[pos++] = (byte)((m_codec) % 256);
bytes[pos++] = (byte)((m_codec << 8) % 256);
bytes[pos++] = (byte)((m_codec << 16) % 256);
bytes[pos++] = (byte)((m_codec << 24) % 256);
m_audioData.CopyTo(bytes, pos);
return bytes;
}
}
}
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