public G722ChatCodec()
{
bitrate = 64000;
encoderState = new G722CodecState(bitrate, G722Flags.None);
decoderState = new G722CodecState(bitrate, G722Flags.None);
codec = new G722Codec();
RecordFormat = new WaveFormat(16000, 1);
}
public G722ChatCodec()
{
BitsPerSecond = 64000;
_encoderState = new G722CodecState(BitsPerSecond, G722Flags.None);
_decoderState = new G722CodecState(BitsPerSecond, G722Flags.None);
_codec = new G722Codec();
RecordFormat = new WaveFormat(16000, 1);
}
public G722ChatCodec()
{
Bitrate = 64000;
EncoderState = new G722CodecState(Bitrate, G722Flags.None);
DecoderState = new G722CodecState(Bitrate, G722Flags.None);
Codec = new G722Codec();
RecordFormat = new WaveFormat(16000, 1);
}
public G722ChatCodec()
{
this.bitrate = 64000;
this.encoderState = new G722CodecState(bitrate, G722Flags.None);
this.decoderState = new G722CodecState(bitrate, G722Flags.None);
this.codec = new G722Codec();
this.recordingFormat = new WaveFormat(16000, 1);
}
// public int Decode(short[] pcm, byte[] encoded)
// {
// if (g722Codec == null)
// {
// g722Codec = new G722Codec();
// g722CodecState = new G722CodecState(G722_BIT_RATE, G722Flags.None);
// }
// var requiredDecodedSampleCount = encoded.Length * 2;
// if (pcm.Length < requiredDecodedSampleCount)
// {
// return -1;
// }
// var decodedSampleCount = g722Codec.Decode(g722CodecState, pcm,
// encoded, encoded.Length);
// return decodedSampleCount;
// }
public short[] Decode(byte[] encoded)
{
if (g722Codec == null)
{
g722Codec = new G722Codec();
g722CodecState = new G722CodecState(G722_BIT_RATE, G722Flags.None);
}
var requiredDecodedSampleCount = encoded.Length * 2;
var pcm = new short[requiredDecodedSampleCount];
g722Codec.Decode(g722CodecState,pcm,encoded,encoded.Length);
return pcm;
}
// public int Encode(byte[] encoded, short[] pcm)
// {
// if (g722Codec == null)
// {
// g722Codec = new G722Codec();
// g722CodecState = new G722CodecState(G722_BIT_RATE, G722Flags.None);
// }
// var requiredEncodedByteCount = pcm.Length / 2;
// if (encoded.Length < requiredEncodedByteCount)
// {
// return -1;
// }
// var encodedByteCount = g722Codec.Encode(g722CodecState, encoded,
// pcm, pcm.Length);
// return encodedByteCount;
// }
public byte[] Encode(short[] pcm)
{
if (g722Codec == null)
{
g722Codec = new G722Codec();
g722CodecState = new G722CodecState(G722_BIT_RATE, G722Flags.None);
}
var requiredEncodedByteCount = pcm.Length / 2;
var enc = new byte[requiredEncodedByteCount];
g722Codec.Encode(g722CodecState, enc, pcm, pcm.Length);
return(enc);
}
static private void WaveIn_DataAvailable(object sender, WaveInEventArgs e)
{
G722Codec codec = new G722Codec();
short[] newData = new short[e.BytesRecorded / 2];
for (int i = 0; i < e.BytesRecorded / 2; i++)
{
newData[i] = (short)(e.Buffer[2 * i] >> 8);
newData[i] += e.Buffer[2 * i + 1];
}
byte[] buffer = new byte[newData.Length * 2];
//for (int i = 0; i < buffer.Length; i++)
//buffer[i] = ALawEncoder.LinearToALawSample(newData[i]);
codec.Encode(_g722CodecState, buffer, newData, newData.Length);
_bufferedWaveProvider.AddSamples(buffer, 0, buffer.Length);
}