/// <summary>
/// Suggests an appropriate PCM format that the compressed format can be converted
/// to in one step
/// </summary>
/// <param name="compressedFormat">The compressed format</param>
/// <returns>The PCM format</returns>
public static WaveFormat SuggestPcmFormat(WaveFormat compressedFormat)
{
// create a PCM format
WaveFormat suggestedFormat = new WaveFormat(compressedFormat.SampleRate, 16, compressedFormat.Channels);
//MmException.Try(AcmInterop.acmFormatSuggest(IntPtr.Zero, compressedFormat, suggestedFormat, Marshal.SizeOf(suggestedFormat), AcmFormatSuggestFlags.FormatTag), "acmFormatSuggest");
IntPtr suggestedFormatPointer = WaveFormat.MarshalToPtr(suggestedFormat);
IntPtr compressedFormatPointer = WaveFormat.MarshalToPtr(compressedFormat);
try
{
MmResult result = AcmInterop.acmFormatSuggest2(IntPtr.Zero, compressedFormatPointer,
suggestedFormatPointer, Marshal.SizeOf(suggestedFormat), AcmFormatSuggestFlags.FormatTag);
suggestedFormat = WaveFormat.MarshalFromPtr(suggestedFormatPointer);
MmException.Try(result, "acmFormatSuggest");
}
finally
{
Marshal.FreeHGlobal(suggestedFormatPointer);
Marshal.FreeHGlobal(compressedFormatPointer);
}
return(suggestedFormat);
}
