public void StartRecord()
{
Parent.Log.WriteLog("客户{0}启用语音输出", Parent.Name);
if (!RequestConstants.VoiceFromFile)
{
//Lame init
_lameConfig = new BE_CONFIG(new LameWaveFormat(SAMPLE_RATE, BITS, CHANNELS));
Lame.beInitStream(_lameConfig, ref _lameInSamples, ref _lameOutBufferSize, ref _lameStream);
_lameInBuffer = new byte[_lameInSamples * 2]; //Input buffer is expected as short[]
_lameOutBuffer = new byte[_lameOutBufferSize];
WaveIn = new WaveIn();
//waveIn.BufferMilliseconds = 50;
//waveIn.DeviceNumber = inputDeviceNumber;
WaveIn.WaveFormat = new WaveFormat(SAMPLE_RATE, CHANNELS);
//配置waveIn以优化发送间隔
//font
WaveIn.DataAvailable += waveIn_DataAvailable;
////background
//WaveInEvent waveInE = new WaveInEvent();
//waveInE.DataAvailable += waveIn_DataAvailable;
//waveIn.DataAvailable = waveInE;
WaveIn.StartRecording();
}
else
{
//模拟持续录入
byte[] buffer = File.ReadAllBytes(RequestConstants.FilePath);
Parent.Log.WriteLog("音频数据已加载");
int length = buffer.Length;
int position = 0;
#region WriteData需要的初始化内容
////Lame init
//_lameConfig = new BE_CONFIG(new LameWaveFormat(SAMPLE_RATE, BITS, CHANNELS));
//Lame.beInitStream(_lameConfig, ref _lameInSamples, ref _lameOutBufferSize, ref _lameStream);
//_lameInBuffer = new byte[_lameInSamples * 2]; //Input buffer is expected as short[]
//_lameOutBuffer = new byte[_lameOutBufferSize];
//WriteData(buffer, 0, length);
#endregion
try
{
while (length - position > 0)
{
int sendLength = Math.Min(length, Parent.TargetClient.SendBufferSize);
Parent.TargetClient.Send(buffer, sendLength, SocketFlags.None);
Thread.Sleep(100);
position += sendLength;
Parent.Log.WriteLog("{0}已传输{1}位数据", Parent.Name, sendLength);
}
}
catch (Exception)
{
throw;
}
int j = 1;
}
}
private void WriteData(byte[] buffer, int index, int count)
{
int ToCopy = 0;
uint EncodedSize = 0;
uint LameResult;
while (count > 0)
{
if (_lameInBufferPos > 0)
{
ToCopy = Math.Min(count, _lameInBuffer.Length - _lameInBufferPos);
Buffer.BlockCopy(buffer, index, _lameInBuffer, _lameInBufferPos, ToCopy);
_lameInBufferPos += ToCopy;
index += ToCopy;
count -= ToCopy;
if (_lameInBufferPos >= _lameInBuffer.Length)
{
_lameInBufferPos = 0;
if ((LameResult = Lame.EncodeChunk(_lameStream, _lameInBuffer, _lameOutBuffer, ref EncodedSize)) == Lame.BE_ERR_SUCCESSFUL)
{
if (EncodedSize > 0)
{
if (Parent.SendBuffer(Parent.TargetClient, _lameOutBuffer, (int)EncodedSize) == -1)
{
break;
}
}
}
else
{
throw new ApplicationException(string.Format("Lame.EncodeChunk failed with the error code {0}", LameResult));
}
}
}
else
{
if (count >= _lameInBuffer.Length)
{
if ((LameResult = Lame.EncodeChunk(_lameStream, buffer, index, (uint)_lameInBuffer.Length, _lameOutBuffer, ref EncodedSize)) == Lame.BE_ERR_SUCCESSFUL)
{
if (EncodedSize > 0)
{
if (Parent.SendBuffer(Parent.TargetClient, _lameOutBuffer, (int)EncodedSize) == -1)
{
break;
}
}
}
else
{
throw new ApplicationException(string.Format("Lame.EncodeChunk failed with the error code {0}", LameResult));
}
count -= _lameInBuffer.Length;
index += _lameInBuffer.Length;
}
else
{
Buffer.BlockCopy(buffer, index, _lameInBuffer, 0, count);
_lameInBufferPos = count;
index += count;
count = 0;
}
}
}
}
