private OpusEncoder(IntPtr encoder, int inputSamplingRate, int inputChannels, OpusAPI.Application application)
{
_encoder = encoder;
InputSamplingRate = inputSamplingRate;
InputChannels = inputChannels;
Application = application;
MaxDataBytes = 4000;
}
/// <summary>
/// Creates a new Opus encoder.
/// </summary>
/// <param name="inputSamplingRate">Sampling rate of the input signal (Hz). This must be one of 8000, 12000, 16000, 24000, or 48000.</param>
/// <param name="inputChannels">Number of channels (1 or 2) in input signal.</param>
/// <param name="application">Coding mode.</param>
/// <returns>A new <c>OpusEncoder</c></returns>
public static OpusEncoder Create(int inputSamplingRate, int inputChannels, OpusAPI.Application application)
{
if (inputSamplingRate != 8000 &&
inputSamplingRate != 12000 &&
inputSamplingRate != 16000 &&
inputSamplingRate != 24000 &&
inputSamplingRate != 48000)
throw new ArgumentOutOfRangeException("inputSamplingRate");
if (inputChannels != 1 && inputChannels != 2)
throw new ArgumentOutOfRangeException("inputChannels");
IntPtr error;
IntPtr encoder = OpusAPI.opus_encoder_create(inputSamplingRate, inputChannels, (int)application, out error);
if ((OpusAPI.Errors)error != OpusAPI.Errors.OK)
{
throw new Exception("Exception occured while creating encoder");
}
return new OpusEncoder(encoder, inputSamplingRate, inputChannels, application);
}
