public static AudioCompressor Create(AudioFormat format)
{
AudioEncoder encoder = AudioEncoder.FindByFriendlyName(format.AudioCompressor);
if (encoder == null)
{
throw new SplicerException(
string.Format("Can not resolve audio encoder \"{0}\"", format.AudioCompressor));
}
if (!format.UseDefaults)
{
WavFormatInfo formatInfo = WavFormatInfoUtils.FindFormat(encoder.Filter, PinDirection.Output, format);
if (formatInfo == null)
{
throw new SplicerException(
string.Format("Can not resolve media type for encoder ({0} khz {1}, kbps, mono? {2})",
format.Khz, format.Kbps, format.IsMono));
}
return(new AudioCompressor(encoder.Filter, formatInfo.MediaType));
}
else
{
return(new AudioCompressor(encoder.Filter, null));
}
}
public WavFormatInfoCollection(IBaseFilter filter, PinDirection direction)
{
IEnumerator <WavFormatInfo> enumerator = WavFormatInfoUtils.EnumerateFormatsForDirection(filter, direction);
while (enumerator.MoveNext())
{
Add(enumerator.Current);
}
}