if (m_spAPEInfo.getApeInfoFileVersion() >= 3950) {
m_spNewPredictorX = new PredictorDecompress3950toCurrent(m_spAPEInfo.getApeInfoCompressionLevel(), m_spAPEInfo.getApeInfoFileVersion());
m_spNewPredictorY = new PredictorDecompress3950toCurrent(m_spAPEInfo.getApeInfoCompressionLevel(), m_spAPEInfo.getApeInfoFileVersion());
} else {
m_spNewPredictorX = new PredictorDecompressNormal3930to3950(m_spAPEInfo.getApeInfoCompressionLevel(), m_spAPEInfo.getApeInfoFileVersion());
m_spNewPredictorY = new PredictorDecompressNormal3930to3950(m_spAPEInfo.getApeInfoCompressionLevel(), m_spAPEInfo.getApeInfoFileVersion());
}
// seek to the beginning
Seek(-1);
}