String RecordNode::generateHeader(Channel* ch)
{
String header = "header.format = 'Open Ephys Data Format'; \n";
header += "header.version = 0.2;";
header += "header.header_bytes = ";
header += String(HEADER_SIZE);
header += ";\n";
if (ch->isEventChannel)
{
header += "header.description = 'each record contains one 64-bit timestamp, one 16-bit sample position, one uint8 event type, one uint8 processor ID, one uint8 event ID, one uint8 event channel, and one uint16 recordingNumber'; \n";
}
else
{
header += "header.description = 'each record contains one 64-bit timestamp, one 16-bit sample count (N), 1 uint16 recordingNumber, N 16-bit samples, and one 10-byte record marker (0 1 2 3 4 5 6 7 8 255)'; \n";
}
header += "header.date_created = '";
header += generateDateString();
header += "';\n";
header += "header.channel = '";
header += ch->name;
header += "';\n";
if (ch->isEventChannel)
{
header += "header.channelType = 'Event';\n";
}
else
{
header += "header.channelType = 'Continuous';\n";
}
header += "header.sampleRate = ";
// all channels need to have the same sample rate under the current scheme
header += String(channelPointers[0]->sampleRate);
header += ";\n";
header += "header.blockLength = ";
header += BLOCK_LENGTH;
header += ";\n";
header += "header.bufferSize = ";
header += getAudioComponent()->getBufferSize();
header += ";\n";
header += "header.bitVolts = ";
header += String(ch->bitVolts);
header += ";\n";
header = header.paddedRight(' ', HEADER_SIZE);
//std::cout << header << std::endl;
return header;
}
String OriginalRecording::generateSpikeHeader(SpikeRecordInfo* elec)
{
String header = "header.format = 'Open Ephys Data Format'; \n";
header += "header.version = " + String(VERSION_STRING) + "; \n";
header += "header.header_bytes = ";
header += String(HEADER_SIZE);
header += ";\n";
header += "header.description = 'Each record contains 1 uint8 eventType, 1 uint64 timestamp, 1 uint16 electrodeID, 1 uint16 numChannels (n), 1 uint16 numSamples (m), n*m uint16 samples, n uint16 channelGains, n uint16 thresholds, and 1 uint16 recordingNumber'; \n";
header += "header.date_created = '";
header += generateDateString();
header += "';\n";
header += "header.electrode = '";
header += elec->name;
header += "';\n";
header += "header.num_channels = ";
header += elec->numChannels;
header += ";\n";
header += "header.sampleRate = ";
header += String(elec->sampleRate);
header += ";\n";
header = header.paddedRight(' ', HEADER_SIZE);
//std::cout << header << std::endl;
return header;
}
String RecordNode::generateHeader(Channel* ch)
{
String header = "header.format = 'OPEN EPHYS DATA FORMAT v0.0'; \n";
header += "header.header_bytes = ";
header += String(HEADER_SIZE);
header += ";\n";
if (ch->isEventChannel)
{
header += "header.description = 'each record contains one 64-bit timestamp, one 16-bit sample position, one uint8 event type, one uint8 processor ID, one uint8 event ID, and one uint8 event channel'; \n";
}
else
{
header += "header.description = 'each record contains one 64-bit timestamp, one 16-bit sample count (N), N 16-bit samples, and one 10-byte record marker (0 0 0 0 0 0 0 0 0 255)'; \n";
}
header += "header.date_created = '";
header += generateDateString();
header += "';\n";
header += "header.channel = '";
header += ch->name;
header += "';\n";
if (ch->isEventChannel)
{
header += "header.channelType = 'Event';\n";
}
else
{
header += "header.channelType = 'Continuous';\n";
header += "header.sampleRate = ";
header += String(ch->sampleRate);
header += ";\n";
}
header += "header.bitVolts = ";
header += String(ch->bitVolts);
header += ";\n";
header = header.paddedRight(' ', HEADER_SIZE);
//std::cout << header << std::endl;
return header;
}
