/// <summary>
/// Creates a new instance of <see cref="AcmFileWriter"/>.
/// </summary>
/// <param name="FileName">Path to the file to write.</param>
/// <param name="Encoding"><see cref="WaveFormatTag"/> for written audio.</param>
/// <param name="Format"><see cref="WaveFormat"/> of input audio.</param>
public AcmFileWriter(string FileName, WaveFormatTag Encoding, WaveFormat Format)
{
if (FileName == null)
{
throw new ArgumentNullException(nameof(FileName));
}
_channel = GetDummyChannel(Format);
// Get the Length of the ACMFormat structure
var suggestedFormatLength = BassEnc.GetACMFormat(0);
var acmFormat = Marshal.AllocHGlobal(suggestedFormatLength);
try
{
// Retrieve ACMFormat and Init Encoding
if (BassEnc.GetACMFormat(_channel,
acmFormat,
suggestedFormatLength,
null,
// If encoding is Unknown, then let the User choose encoding.
Encoding == WaveFormatTag.Unknown ? 0 : ACMFormatFlags.Suggest,
Encoding) != 0)
{
_handle = BassEnc.EncodeStartACM(_channel, acmFormat, 0, FileName);
}
else
{
throw new Exception(Bass.LastError.ToString());
}
}
finally
{
// Free the ACMFormat structure
Marshal.FreeHGlobal(acmFormat);
}
}
/// <summary> /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources. /// </summary> public void Dispose() => BassEnc.EncodeStop(_handle, true);