/// <summary>
/// Encodes a file
/// </summary>
/// <param name="outputFile">Output filename (container type is deduced from the filename)</param>
/// <param name="inputProvider">Input provider (should be PCM, some encoders will also allow IEEE float)</param>
public void Encode(string outputFile, IWaveProvider inputProvider)
{
if (inputProvider.WaveFormat.Encoding != WaveFormatEncoding.Pcm && inputProvider.WaveFormat.Encoding != WaveFormatEncoding.IeeeFloat)
{
throw new ArgumentException("Encode input format must be PCM or IEEE float");
}
// possibly could use Marshaling to convert instead
// given that input should be PCM or IEEE float, this should work just fine
var sharpWf = SharpDX.Multimedia.WaveFormat.CreateCustomFormat(
(SharpDX.Multimedia.WaveFormatEncoding)inputProvider.WaveFormat.Encoding,
inputProvider.WaveFormat.SampleRate,
inputProvider.WaveFormat.Channels,
inputProvider.WaveFormat.AverageBytesPerSecond,
inputProvider.WaveFormat.BlockAlign,
inputProvider.WaveFormat.BitsPerSample);
var inputMediaType = new MediaType();
var size = 18 + sharpWf.ExtraSize;
MediaFactory.InitMediaTypeFromWaveFormatEx(inputMediaType, new[] { sharpWf }, size);
using (var writer = CreateSinkWriter(outputFile))
{
int streamIndex;
writer.AddStream(outputMediaType, out streamIndex);
// n.b. can get 0xC00D36B4 - MF_E_INVALIDMEDIATYPE here
writer.SetInputMediaType(streamIndex, inputMediaType, null);
PerformEncode(writer, streamIndex, inputProvider);
}
inputMediaType.Dispose();
}
/// <summary>
/// Disposes this instance
/// </summary>
/// <param name="disposing"></param>
protected void Dispose(bool disposing)
{
outputMediaType.Dispose();
}
