public AudioInfo ReadAudioInfo(Stream stream)
{
Contract.Ensures(Contract.Result <AudioInfo>() != null);
using (var decoder = new NativeStreamAudioInfoDecoder(stream))
{
DecoderInitStatus initStatus = decoder.Initialize();
if (initStatus != DecoderInitStatus.Ok)
{
if (initStatus == DecoderInitStatus.UnsupportedContainer)
{
throw new UnsupportedAudioException(Resources.AudioInfoDecoderUnsupportedContainerError);
}
else
{
throw new IOException(string.Format(CultureInfo.CurrentCulture,
Resources.AudioInfoDecoderInitializationError, initStatus));
}
}
if (!decoder.ProcessMetadata())
{
throw new IOException(string.Format(CultureInfo.CurrentCulture,
Resources.AudioInfoDecoderDecodingError, decoder.GetState()));
}
decoder.Finish();
return(decoder.AudioInfo);
}
}
public MetadataDictionary ReadMetadata(Stream stream)
{
Contract.Ensures(Contract.Result <MetadataDictionary>() != null);
using (var decoder = new NativeStreamMetadataDecoder(stream))
{
decoder.SetMetadataRespond(MetadataType.VorbisComment);
decoder.SetMetadataRespond(MetadataType.Picture);
DecoderInitStatus initStatus = decoder.Initialize();
if (initStatus != DecoderInitStatus.Ok)
{
if (initStatus == DecoderInitStatus.UnsupportedContainer)
{
throw new UnsupportedAudioException(Resources.MetadataDecoderUnsupportedContainerError);
}
else
{
throw new IOException(string.Format(CultureInfo.CurrentCulture,
Resources.MetadataDecoderInitializationError, initStatus));
}
}
if (!decoder.ProcessMetadata())
{
throw new IOException(string.Format(CultureInfo.CurrentCulture,
Resources.MetadataDecoderDecodingError, decoder.GetState()));
}
decoder.Finish();
return(decoder.Metadata);
}
}
public void Initialize(Stream stream)
{
Contract.Ensures(_decoder != null);
_decoder = new NativeStreamSampleDecoder(stream);
DecoderInitStatus initStatus = _decoder.Initialize();
if (initStatus == DecoderInitStatus.Ok)
{
return;
}
if (initStatus == DecoderInitStatus.UnsupportedContainer)
{
throw new UnsupportedAudioException(Resources.SampleDecoderUnsupportedContainerError);
}
throw new IOException(string.Format(CultureInfo.CurrentCulture, Resources.SampleDecoderInitializationError,
initStatus));
}
