private void WaveIn_DataAvailable(object sender, WaveInEventArgs e)
{
var data = codec.Encode(e.Buffer, 0, e.BytesRecorded);
buffer.AddSamples(data, 0, data.Length);
writer.Write(data, 0, data.Length);
}
public static int CompressWAVBits(byte[] wavFileBuffer, int wavFileBufferOffset, int wavFileBufferLength,
byte[] compressedBuffer, int compressedBufferOffset, IAudioCodec codec,
out int pcmSize)
{
if (compressedBuffer.Length - compressedBufferOffset < wavFileBuffer.Length)
{
Array.Resize(ref compressedBuffer, wavFileBuffer.Length + compressedBufferOffset); //allocate buffers
}
int compressedSize;
pcmSize = wavFileBuffer.Length - WAV_HEADER_SIZE;
compressedSize = codec.Encode(wavFileBuffer, wavFileBufferOffset + WAV_HEADER_SIZE, pcmSize,
compressedBuffer, compressedBufferOffset); //compress WAV file
return(compressedSize);
}
public void Write(ArraySegment <byte> bytes)
{
// TODO thread queued.
var compressed = _codec.Encode(bytes);
var packet = new AudioPacket
{
Mark = _first,
SequenceId = ++_sequenceId,
RouteId = Id,
Payload = compressed,
};
_first = false;
_transport.Send(packet);
}
void SendMediaPacket(ushort groupId, ushort sequenceNumber, uint userId, short[] audio)
{
var buffer = _protocolSwitch.SendBuffer();
// Packet Type 12 (byte)
buffer[0] = (byte)RopuPacketType.MediaPacketGroupCallClient;
// Group Id (uint16)
buffer.WriteUshort(groupId, 1);
// Sequence Number (uint16)
buffer.WriteUshort(sequenceNumber, 3);
// User ID (uint32)
buffer.WriteUint(userId, 5);
// Key ID (uint16) - 0 means no encryption
buffer.WriteUshort(0, 9);
// Payload
int ammountEncoded = _audioCodec.Encode(audio, buffer.AsSpan(11));
_protocolSwitch.Send(11 + ammountEncoded);
}
public static int CompressWAVBits(byte[] wavFileBuffer, int wavFileBufferOffset, int wavFileBufferLength,
byte[] compressedBuffer, int compressedBufferOffset, IAudioCodec codec,
out int pcmSize)
{
if (compressedBuffer.Length - compressedBufferOffset < wavFileBuffer.Length)
{
Array.Resize(ref compressedBuffer, wavFileBuffer.Length + compressedBufferOffset); //allocate buffers
}
int compressedSize;
int dataChunkSizeFieldPosition;
using (var stream = new MemoryStream(wavFileBuffer, wavFileBufferOffset, wavFileBufferLength))
using (var reader = new BinaryReader(stream))
{
dataChunkSizeFieldPosition = stream.ScanUntilFound(Encoding.ASCII.GetBytes("data"));
pcmSize = reader.ReadInt32();
}
compressedSize = codec.Encode(wavFileBuffer, dataChunkSizeFieldPosition, pcmSize,
compressedBuffer, compressedBufferOffset); //compress PCM data
return(compressedSize);
}
public void waveIn_DataAvailable(object sender, WaveInEventArgs e)
{
byte[] encodedData = audioCodec.Encode(e.Buffer, 0, e.BytesRecorded);
udpSender.Send(encodedData, encodedData.Length);
}
