public void ProcessAudioFrame(ToxAvAudioFrame frame)
{
if (_waveOutProvider == null)
{
return;
}
//what is the length of this audio frame?
int audioLength = ((frame.Data.Length / frame.Channels) * 1000) / frame.SamplingRate;
//what should the length of this frame have been? (we want 20ms to send to the provider)
int wantedDataLength = ((20 * frame.SamplingRate) / 1000) * frame.Channels;
if (wantedDataLength != frame.Data.Length)
{
//if we didn't get the amount of data we wanted, we need to buffer it
_receivedAudioBuffer.AddRange(frame.Data);
if (_receivedAudioBuffer.Count == wantedDataLength)
{
short[] shorts = _receivedAudioBuffer.ToArray();
byte[] bytes = ShortsToBytes(shorts);
_waveOutProvider.AddSamples(bytes, 0, bytes.Length);
_receivedAudioBuffer.Clear();
}
}
else
{
byte[] bytes = ShortsToBytes(frame.Data);
_waveOutProvider.AddSamples(bytes, 0, bytes.Length);
}
}
public bool SendAudioFrame(int friendNumber, ToxAvAudioFrame frame)
{
ToxAvErrorSendFrame error;
var retVal = _toxAv.SendAudioFrame(friendNumber, frame, out error);
ToxErrorViewModel.Instance.RelayError(error);
return(retVal);
}
private void OnAudioDeviceMicDataAvailable(short[] audioData, int sampleRate, int channels)
{
if (audioData == null || audioData.Length == 0)
{
return;
}
if (this.callInfo == null || !this.callInfo.CanSendAudio)
{
return;
}
var toxAudioFrame = new ToxAvAudioFrame(audioData, sampleRate, channels);
if (toxAudioFrame == null)
{
Logger.Log(LogLevel.Error, "Failed to convert audio data to audio frame");
return;
}
// yes, check again
if (this.callInfo == null || !this.callInfo.CanSendAudio)
{
return;
}
if (this.callInfo.AudioBitrate <= 0)
{
if (this.toxAv.SetAudioBitrate(this.callInfo.FriendNumber, DefaultAudioBitrate))
{
this.callInfo.AudioBitrate = DefaultAudioBitrate;
}
}
this.sendAudioFrameTimer.Reset();
this.sendAudioFrameTimer.Start();
try
{
var error = ToxAvErrorSendFrame.Ok;
do
{
if (!this.toxAv.SendAudioFrame(this.callInfo.FriendNumber, toxAudioFrame, out error))
{
if (error == ToxAvErrorSendFrame.Sync)
{
Thread.Sleep(0);
}
else
{
Logger.Log(LogLevel.Error, string.Format("Failed to send audio frame {0}/{1}/{2} : {3}", toxAudioFrame.Data.Length, toxAudioFrame.SamplingRate, toxAudioFrame.Channels, error));
}
}
}while (error == ToxAvErrorSendFrame.Sync && this.sendAudioFrameTimer.ElapsedMilliseconds < 5);
if (error == ToxAvErrorSendFrame.Sync)
{
Logger.Log(LogLevel.Error, string.Format("Failed to send audio frame {0}/{1}/{2} : Lock busy, dropping frame", toxAudioFrame.Data.Length, toxAudioFrame.SamplingRate, toxAudioFrame.Channels));
}
}
finally
{
this.sendAudioFrameTimer.Stop();
}
}
public bool SendAudioFrame(int friendNumber, ToxAvAudioFrame frame)
{
ToxAvErrorSendFrame error;
var retVal = _toxAv.SendAudioFrame(friendNumber, frame, out error);
ToxErrorViewModel.Instance.RelayError(error);
return retVal;
}
