private void OnSamplesAvailable(object sender, SamplesAvailableEventArgs e)
{
lock (captures)
{
AudioSource source;
AudioCaptureEntity entity;
if (!captureToSourceLookup.TryGetValue (e.Provider, out source) || !captures.TryGetValue (source, out entity))
return;
bool muted = (entity.Muted || this.captureMuted);
if ((!entity.Talking && muted) || (!entity.AudioCapture.IsCapturing && entity.Options.Mode == AudioEngineCaptureMode.Explicit))
return;
if (entity.Talking && muted)
{
entity.Talking = false;
AudioSender.EndSending (source);
return;
}
if (e.Available < source.CodecSettings.FrameSize)
return;
bool talking = entity.Talking;
if (entity.CurrentTargets == null || entity.CurrentTargets.Length == 0)
{
entity.TargetType = TargetType.Channel;
var currentChannel = Context.GetCurrentChannel();
if (currentChannel == null)
return;
entity.CurrentTargets = new[] { currentChannel.ChannelId };
}
AudioEngineCaptureMode mode = entity.Options.Mode;
int framesAvailable = e.Available / source.CodecSettings.FrameSize;
int talkingFrames = (mode == AudioEngineCaptureMode.Explicit) ? framesAvailable : 0;
int talkingIndex = -1;
byte[][] frames = new byte[framesAvailable][];
for (int i = 0; i < frames.Length; ++i)
{
byte[] samples = entity.AudioCapture.ReadSamples (source.CodecSettings.FrameSize);
if (mode == AudioEngineCaptureMode.Activated)
{
talking = entity.VoiceActivation.IsTalking (samples);
if (talking)
{
talkingFrames++;
if (talkingIndex == -1)
talkingIndex = i;
}
if (talking && !entity.Talking)
AudioSender.BeginSending (source);
}
frames[i] = samples;
}
if (talkingFrames > 0 && talkingFrames != frames.Length)
{
byte[][] actualFrames = new byte[talkingFrames][];
Array.Copy (frames, talkingIndex, actualFrames, 0, talkingFrames);
frames = actualFrames;
}
if (talking)
AudioSender.SendAudioDataAsync (source, entity.TargetType, entity.CurrentTargets, frames);
else if (entity.Talking && entity.Options.Mode == AudioEngineCaptureMode.Activated)
AudioSender.EndSending (source);
entity.Talking = talking;
}
}
private void OnSamplesAvailable(object sender, SamplesAvailableEventArgs e)
{
if (this.activation == null)
return;
if (e.Available < FrameSize)
return;
byte[] samples = e.Provider.ReadSamples (FrameSize);
ActivationLevel = this.activation.GetLevel (samples);
IsActivating = this.activation.IsTalking (samples);
}
private void OnSamplesAvailable(object sender, SamplesAvailableEventArgs e)
{
lock (captures)
{
AudioSource source;
AudioCaptureEntity entity;
if (!captureToSourceLookup.TryGetValue(e.Provider, out source) || !captures.TryGetValue(source, out entity))
{
return;
}
bool muted = (entity.Muted || this.captureMuted);
if ((!entity.Talking && muted) || (!entity.AudioCapture.IsCapturing && entity.Options.Mode == AudioEngineCaptureMode.Explicit))
{
return;
}
if (entity.Talking && muted)
{
entity.Talking = false;
AudioSender.EndSending(source);
return;
}
if (e.Available < source.CodecSettings.FrameSize)
{
return;
}
bool talking = entity.Talking;
if (entity.CurrentTargets == null || entity.CurrentTargets.Length == 0)
{
entity.TargetType = TargetType.Channel;
var currentChannel = Context.GetCurrentChannel();
if (currentChannel == null)
{
return;
}
entity.CurrentTargets = new[] { currentChannel.ChannelId };
}
AudioEngineCaptureMode mode = entity.Options.Mode;
int framesAvailable = e.Available / source.CodecSettings.FrameSize;
int talkingFrames = (mode == AudioEngineCaptureMode.Explicit) ? framesAvailable : 0;
int talkingIndex = -1;
byte[][] frames = new byte[framesAvailable][];
for (int i = 0; i < frames.Length; ++i)
{
byte[] samples = entity.AudioCapture.ReadSamples(source.CodecSettings.FrameSize);
if (mode == AudioEngineCaptureMode.Activated)
{
talking = entity.VoiceActivation.IsTalking(samples);
if (talking)
{
talkingFrames++;
if (talkingIndex == -1)
{
talkingIndex = i;
}
}
if (talking && !entity.Talking)
{
AudioSender.BeginSending(source);
}
}
frames[i] = samples;
}
if (talkingFrames > 0 && talkingFrames != frames.Length)
{
byte[][] actualFrames = new byte[talkingFrames][];
Array.Copy(frames, talkingIndex, actualFrames, 0, talkingFrames);
frames = actualFrames;
}
if (talking)
{
AudioSender.SendAudioDataAsync(source, entity.TargetType, entity.CurrentTargets, frames);
}
else if (entity.Talking && entity.Options.Mode == AudioEngineCaptureMode.Activated)
{
AudioSender.EndSending(source);
}
entity.Talking = talking;
}
}