/// <summary>
/// Receiver for the audio data.
/// </summary>
/// <param name="audioData">A buffer containing the next chunk of audio data.</param>
public override void Receive(Message <AudioBuffer> audioData)
{
// take action only if format is different
if (audioData.Data.HasValidData)
{
if (!WaveFormat.Equals(audioData.Data.Format, this.currentInputFormat))
{
// Make a copy of the new input format (don't just use a direct reference,
// as the object graph of the Message.Data will be reclaimed by the runtime).
audioData.Data.Format.DeepClone(ref this.currentInputFormat);
this.configuration.InputFormat = this.currentInputFormat;
// stop and restart the renderer to switch formats
this.wasapiRender.StopRendering();
this.wasapiRender.StartRendering(
this.configuration.BufferLengthSeconds,
this.configuration.TargetLatencyInMs,
this.configuration.Gain,
this.configuration.InputFormat);
}
// Append the audio buffer to the audio renderer
this.wasapiRender.AppendAudio(audioData.Data.Data, false);
}
}
/// <summary>
/// Receiver for audio data.
/// </summary>
/// <param name="audioBuffer">A buffer containing the next chunk of audio data.</param>
/// <param name="e">The message envelope for the audio data.</param>
protected override void Receive(AudioBuffer audioBuffer, Envelope e)
{
// take action only if format is different
if (audioBuffer.HasValidData)
{
if (!WaveFormat.Equals(this.currentInputFormat, audioBuffer.Format))
{
this.SetInputFormat(audioBuffer.Format);
}
unsafe
{
// pass pointer to audio buffer data directly to MFResampler
fixed(void *dataPtr = audioBuffer.Data)
{
// compute the timestamp at the start of the chunk (originating time is at the end)
// Note that timestamp sent to resampler is expressed in ticks and will need to be
// converted back to a DateTime when posting the resampled audio.
this.resampler.Resample(
new IntPtr(dataPtr),
audioBuffer.Data.Length,
e.OriginatingTime.Ticks - (10000000L * audioBuffer.Length / this.Configuration.InputFormat.AvgBytesPerSec));
}
}
}
}
/// <summary>
/// Receiver for the audio data.
/// </summary>
/// <param name="audioData">A buffer containing the next chunk of audio data.</param>
public override void Receive(Message <AudioBuffer> audioData)
{
// take action only if format is different
if (audioData.Data.HasValidData)
{
if (!WaveFormat.Equals(audioData.Data.Format, this.currentInputFormat))
{
// Make a copy of the new input format (don't just use a direct reference,
// as the object graph of the Message.Data will be reclaimed by the runtime).
audioData.Data.Format.DeepClone(ref this.currentInputFormat);
this.configuration.InputFormat = this.currentInputFormat;
// stop and restart the renderer to switch formats
this.audioRenderDevice.StopRendering();
this.audioRenderDevice.StartRendering(
this.configuration.BufferLengthSeconds,
this.configuration.TargetLatencyInMs,
this.configuration.Gain,
this.configuration.InputFormat);
}
// Append the audio buffer to the audio renderer, specifying whether or not to
// overwrite existing data or block until internal rendering queue is available.
this.audioRenderDevice.AppendAudio(audioData.Data.Data, this.overwrite);
}
}
public GoogleSpeak(Pipeline pipeline, Microsoft.Psi.Audio.WaveFormat format, string languageCode) : base(pipeline)
{
this.gClient = TextToSpeechClient.Create();
this.format = format;
this.TextLanguageCode = languageCode;
if (format.Equals(Microsoft.Psi.Audio.WaveFormat.Create16kHz1Channel16BitPcm()))
{
this.googleAudioFormat = AudioEncoding.Linear16;
}
}
