/// <summary>
/// Corutine that captures an audio clip from the microphone, obtains its
/// relevant data and sends the corresponding header and chunk messages.
/// </summary>
/// <returns>IEnumerator to be run.</returns>
protected override IEnumerator SendStream()
{
uint clipId = nextId;
nextId += 1;
Debug.Log("Sending clip with ID " + clipId + ".");
//Texture2D texture = Paint(1000);
float[] samplesData = new float[voiceClip.samples * voiceClip.channels];
voiceClip.GetData(samplesData, 0);
int size = Mathf.FloorToInt(samplesData.Length / Mathf.Ceil(samplesData.Length * (float)sizeof(float) / maxChunkSize));
Debug.Log("Chunk size " + size);
//lastCapturedClip = voiceClip;
var headerMessage = new AudioHeaderMessage(networkIdentity.netId.Value,
clipId, voiceClip.samples, voiceClip.channels, frequency, size);
SendHeaderMessage(clipMsgType, headerMessage);
List <(int, float[], int)> chunks = DivideArrayInChunks(samplesData, size);
foreach (var chunk in chunks)
{
var chunkMessage = new AudioChunkMessage(networkIdentity.netId.Value, clipId, chunk.Item1, chunk.Item2, chunk.Item3);
SendChunkMessage(clipMsgType, chunkMessage);
}
Debug.Log("Clip for ID " + clipId + " has been sent.");
yield return(new WaitForSeconds(0.01f));
}
/// <summary>
/// Saves on the data structure the data contained in a chunk.
/// </summary>
/// <param name="row">Image's chunk message.</param>
private void SaveChunk(AudioChunkMessage row)
{
AudioStruc clipStruc = msgData[row.id];
for (int i = 0; i < row.data.Length && i < row.size && clipStruc.samplesReceived < clipStruc.data.Length; i++)
{
clipStruc.data[i + row.order * clipStruc.chunkSize] = row.data[i];
clipStruc.samplesReceived += 1;
}
msgData[row.id] = clipStruc;
Debug.Log(clipStruc.samplesReceived + "/" + clipStruc.data.Length
+ " samples currently recived for ID " + row.id + ".");
}
/// <summary>
/// Processes the chunk messages received on the client.
/// </summary>
/// <param name="row">Clip's chunk message.</param>
private void OnAudioChunkReceived(AudioChunkMessage row)
{
msgData.AddChunk(row, SaveChunk);
}
