if (nc != _numChannels) {

                    _numChannels = nc;

                    updateNumChannels();

                    // TODO: is `numOfChannelsChanged` signal still used?

                    emit numOfChannelsChanged(nc);

                }

            }

            Q_ASSERT(samples->numChannels() == _numChannels);

            // commit data

            feedOut(*samples);

        }

    }

}

SamplePack* AsciiReader::parseLine(const QString& line) const

{

    auto separatedValues = line.split(delimiter, QString::SkipEmptyParts);

    unsigned numComingChannels = separatedValues.length();

    // check number of channels (skipped if auto num channels is enabled)

    if ((!numComingChannels) || (!autoNumOfChannels && numComingChannels != _numChannels))

    {