private unsafe void __MarshalTo(ref WaveFormatAdpcm.__Native @ref)
{
if (this.Coefficients1.Length > 7)
{
throw new InvalidOperationException("Unable to encode Adpcm format. Too may coefficients (max 7)");
}
this.extraSize = (short)(4 + 4 * this.Coefficients1.Length);
base.__MarshalTo(ref @ref.waveFormat);
@ref.samplesPerBlock = this.SamplesPerBlock;
@ref.numberOfCoefficients = (ushort)this.Coefficients1.Length;
fixed(short *ptr = & @ref.coefficients)
{
for (int i = 0; i < (int)@ref.numberOfCoefficients; i++)
{
ptr[i * 2] = this.Coefficients1[i];
ptr[i * 2 + 1] = this.Coefficients2[i];
}
}
}
internal unsafe void __MarshalFrom(ref WaveFormatAdpcm.__Native @ref)
{
base.__MarshalFrom(ref @ref.waveFormat);
this.SamplesPerBlock = @ref.samplesPerBlock;
this.Coefficients1 = new short[(int)@ref.numberOfCoefficients];
this.Coefficients2 = new short[(int)@ref.numberOfCoefficients];
if (@ref.numberOfCoefficients > 7)
{
throw new InvalidOperationException("Unable to read Adpcm format. Too may coefficients (max 7)");
}
fixed(short *ptr = & @ref.coefficients)
{
for (int i = 0; i < (int)@ref.numberOfCoefficients; i++)
{
this.Coefficients1[i] = ptr[i * 2];
this.Coefficients2[i] = ptr[i * 2 + 1];
}
}
this.extraSize = (short)(4 + 4 * @ref.numberOfCoefficients);
}