public static unsafe WaveFormat MarshalFrom(IntPtr pointer)
{
if (pointer == IntPtr.Zero)
{
return((WaveFormat)null);
}
WaveFormat.__PcmNative @ref = *(WaveFormat.__PcmNative *)(void *) pointer;
WaveFormatEncoding waveFormatEncoding = @ref.waveFormatTag;
if ((int)@ref.channels <= 2 && (waveFormatEncoding == WaveFormatEncoding.Pcm || waveFormatEncoding == WaveFormatEncoding.IeeeFloat || (waveFormatEncoding == WaveFormatEncoding.Wmaudio2 || waveFormatEncoding == WaveFormatEncoding.Wmaudio3)))
{
WaveFormat waveFormat = new WaveFormat();
waveFormat.__MarshalFrom(ref @ref);
return(waveFormat);
}
else if (waveFormatEncoding == WaveFormatEncoding.Extensible)
{
WaveFormatExtensible formatExtensible = new WaveFormatExtensible();
formatExtensible.__MarshalFrom(ref *(WaveFormatExtensible.__Native *)(void *) pointer);
return((WaveFormat)formatExtensible);
}
else
{
if (waveFormatEncoding != WaveFormatEncoding.Adpcm)
{
throw new InvalidOperationException(string.Format("Unsupported WaveFormat [{0}]", (object)waveFormatEncoding));
}
WaveFormatAdpcm waveFormatAdpcm = new WaveFormatAdpcm();
waveFormatAdpcm.__MarshalFrom(ref *(WaveFormatAdpcm.__Native *)(void *) pointer);
return((WaveFormat)waveFormatAdpcm);
}
}
internal void __MarshalTo(ref WaveFormat.__PcmNative @ref)
{
@ref.waveFormatTag = this.waveFormatTag;
@ref.channels = this.channels;
@ref.sampleRate = this.sampleRate;
@ref.averageBytesPerSecond = this.averageBytesPerSecond;
@ref.blockAlign = this.blockAlign;
@ref.bitsPerSample = this.bitsPerSample;
}
internal void __MarshalFrom(ref WaveFormat.__PcmNative @ref)
{
this.waveFormatTag = @ref.waveFormatTag;
this.channels = @ref.channels;
this.sampleRate = @ref.sampleRate;
this.averageBytesPerSecond = @ref.averageBytesPerSecond;
this.blockAlign = @ref.blockAlign;
this.bitsPerSample = @ref.bitsPerSample;
this.extraSize = (short)0;
}
internal void __MarshalFree(ref WaveFormat.__PcmNative @ref)
{
@ref.__MarshalFree();
}
