/// <summary>
/// Get the <seealso cref="Image.SourceIdentity()"/> for the recording.
/// </summary>
/// <param name="counters"> to search within. </param>
/// <param name="counterId"> for the active recording. </param>
/// <returns> <seealso cref="Image.SourceIdentity()"/> for the recording or null if not found. </returns>
public static string GetSourceIdentity(CountersReader counters, int counterId)
{
IDirectBuffer buffer = counters.MetaDataBuffer;
if (counters.GetCounterState(counterId) == RECORD_ALLOCATED &&
counters.GetCounterTypeId(counterId) == RECORDING_POSITION_TYPE_ID)
{
int recordOffset = MetaDataOffset(counterId);
return(buffer.GetStringAscii(recordOffset + KEY_OFFSET + SOURCE_IDENTITY_LENGTH_OFFSET));
}
return(null);
}