bool plaPlayList::generatePLAFile()
{
try {
// 5. generate playlist
qint32 fileCount = (qint32)m_lstSrcFiles.count();
if (playlistName.isEmpty())
playlistName = "playlist.pla";
if (!playlistName.endsWith(".pla"))
playlistName.append(".pla");
QFile file(playlistDestination + "/" + playlistName);
file.open(QIODevice::Truncate | QIODevice::WriteOnly);
if (!file.isOpen()) {
qDebug() << "file does not open?";
return false;
}
QDataStream out(&file);
out.setByteOrder(QDataStream::BigEndian);
// Header info: qint32 (4 bytes) + iriver_text (14 bytes) = 18 bytes -> rest 494 bytes = 0
out << fileCount;
out.writeRawData(iriverText.toLatin1(), iriverText.size()); // tolatin1 is serialized as 'length,string' ->use writeRawData
int i = 494;
while (0 < i) {
out << (qint8)0;
--i;
}
// File Info
QString outputFile = "";
qint16 nameIndex = 0;
foreach (QString song, m_lstSrcFiles) {
if (song.length()>=512) {
qDebug() << "Song " << song << " file path was too long, skipping it";
continue;
}
if(!getFileName(song, &outputFile, &nameIndex)) {
qDebug() << "Song " << song << " path and index extraction failed, PLA is not usable!";
errorSignaling("ERROR", QString("Song '%1' path and index extraction failed, PLA is not usable!").arg(song));
return false;
}
qDebug() << " song: " << outputFile;
out << nameIndex;
out << (qint8)0; // ugly workaround! put '00' byte before '\' mark which is missing from outputFile string (for some reason)?
out.writeRawData((const char*) outputFile.utf16(), outputFile.size() * 2);
for (int i=(3+outputFile.size()*2); i<512; i++)
out << (qint8)0;
}
qDebug() << "plaPlayList::generatePLAFile - data written, playlist size: " << file.size() << ", should be 512 + " << m_lstSrcFiles.count() << "*512 = " << 512 + m_lstSrcFiles.count() * 512;
file.close();
OnReady();
return true;
}
catch (...) {
qDebug() << "plaPlayList::generatePLAFile - Error while creating playlist";
return false;
}
}
bool plaPlayList::doWork()
{
try {
//
// work list
// 1. generate destination files list (correct path information)
// 2. check existence of destination files and filter out already existing ones
// 3. check that we have enough space for missing files
// 4. copy missing files to destination
// 5. generate playlist and copy it to 'playlist destination'
//
if (checkDestinationFilesAvailability())
OnReady();
return true;
}
catch (...) {
qDebug() << "plaPlayList::generatePLAFile - Error while creating playlist";
return false;
}
}
bool CEC_LogicalDevice::ProcessStateMachine(bool* success)
{
unsigned char buffer[1];
bool wait = false;
switch (_primaryState)
{
case CEC_ALLOCATE_LOGICAL_ADDRESS:
switch (_secondaryState)
{
case CEC_XMIT_POLLING_MESSAGE:
// Section 6.1.3 specifies that <Polling Message> while allocating a Logical Address
// will have the same initiator and destination address
buffer[0] = MAKE_ADDRESS(_validLogicalAddresses[_deviceType][_tertiaryState], _validLogicalAddresses[_deviceType][_tertiaryState]);
ClearTransmitBuffer();
Transmit(buffer, 1);
_secondaryState = CEC_RCV_POLLING_MESSAGE;
wait = true;
break;
case CEC_RCV_POLLING_MESSAGE:
if (success)
{
if (*success)
{
// Someone is there, try the next
_tertiaryState++;
if (_validLogicalAddresses[_deviceType][_tertiaryState] != CLA_UNREGISTERED)
_secondaryState = CEC_XMIT_POLLING_MESSAGE;
else
{
_logicalAddress = CLA_UNREGISTERED;
DbgPrint("Logical address assigned: %d\r\n", _logicalAddress);
DbgPrint("Physical addresss used: %d\r\n", _physicalAddress);
_primaryState = CEC_READY;
}
}
else
{
// We hereby claim this as our logical address!
_logicalAddress = _validLogicalAddresses[_deviceType][_tertiaryState];
SetAddress(_logicalAddress);
DbgPrint("Logical address assigned: %d\n", _logicalAddress);
DbgPrint("Physical addresss used: %d\r\n", _physicalAddress);
_primaryState = CEC_READY;
set_led(2, true);
}
}
else
wait = true;
break;
}
break;
case CEC_READY:
_primaryState = CEC_IDLE;
OnReady();
wait = true;
break;
case CEC_IDLE:
wait = true;
break;
}
return wait;
}
