/// <summary>
/// Converts a FLAC stream decoder error status into a value from the
/// StreamDecoderErrors enumeration
/// </summary>
/// <param name="errorStatus">
/// FLAC stream decoder error status that will be converted
/// </param>
/// <returns>The equivalent entry in the StreamDecoderErrors enumeration</returns>
private static StreamDecoderError streamDecoderErrorFromFlacStreamDecoderErrorStatus(
UnsafeNativeMethods.FLAC__StreamDecoderErrorStatus errorStatus
) {
switch(errorStatus) {
case UnsafeNativeMethods.FLAC__StreamDecoderErrorStatus.
FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER: {
return StreamDecoderError.BadHeader;
}
case UnsafeNativeMethods.FLAC__StreamDecoderErrorStatus.
FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH: {
return StreamDecoderError.FrameCrcMismatch;
}
case UnsafeNativeMethods.FLAC__StreamDecoderErrorStatus.
FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC: {
return StreamDecoderError.LostSync;
}
case UnsafeNativeMethods.FLAC__StreamDecoderErrorStatus.
FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM: {
return StreamDecoderError.UnparseableStream;
}
default: {
throw new ArgumentException("Invalid error status");
}
}
}
/// <summary>Responds to an error that has occured during decoding</summary>
/// <param name="decoder">FLAC stream decoder issuing the error notification</param>
/// <param name="status">Error that has been encountered by the decoder</param>
/// <param name="client_data">Not used</param>
private void errorCallback(
IntPtr decoder,
UnsafeNativeMethods.FLAC__StreamDecoderErrorStatus status,
IntPtr client_data
) {
try {
HandleError(streamDecoderErrorFromFlacStreamDecoderErrorStatus(status));
}
catch(Exception exception) {
Trace.TraceError(
"FLAC stream adapter received an exception from HandleError():\n{0}",
exception
);
}
}
