char* rtspStream::GetSdpLines()
{
if (fSDPLines != NULL )
return fSDPLines;
char* rtpmapLine = "a=rtpmap: 96 H264/90000";
char const* const sdpFmt =
"m=video 0 RTP/AVP 96\r\n"
"c=IN IP4 0.0.0.0\r\n"
"b=AS:%u\r\n"
"%s\r\n"
"a=control:%s\r\n";
char * tmp = inet_ntoa(sockaddr.sin_addr);
unsigned sdpFmtSize = strlen(sdpFmt)
+ strlen(tmp) + 3 /* max char len */
+ 20 /* max int len */
+ strlen(rtpmapLine)
+ strlen(trackId());
char* sdpLines = new char[sdpFmtSize];
sprintf(sdpLines, sdpFmt,
estBitrate, // b=AS:<bandwidth>
rtpmapLine, // a=rtpmap:... (if present)
trackId()); // a=control:<track-id>
fSDPLines = strDup(sdpLines);
delete[] sdpLines;
return fSDPLines;
}
char const*
PassiveServerMediaSubsession::sdpLines() {
if (fSDPLines == NULL ) {
// Construct a set of SDP lines that describe this subsession:
// Use the components from "rtpSink":
Groupsock const& gs = fRTPSink.groupsockBeingUsed();
AddressString groupAddressStr(gs.groupAddress());
unsigned short portNum = ntohs(gs.port().num());
unsigned char ttl = gs.ttl();
unsigned char rtpPayloadType = fRTPSink.rtpPayloadType();
char const* mediaType = fRTPSink.sdpMediaType();
unsigned estBitrate
= fRTCPInstance == NULL ? 50 : fRTCPInstance->totSessionBW();
char* rtpmapLine = fRTPSink.rtpmapLine();
char const* rtcpmuxLine = rtcpIsMuxed() ? "a=rtcp-mux\r\n" : "";
char const* rangeLine = rangeSDPLine();
char const* auxSDPLine = fRTPSink.auxSDPLine();
if (auxSDPLine == NULL) auxSDPLine = "";
char const* const sdpFmt =
"m=%s %d RTP/AVP %d\r\n"
"c=IN IP4 %s/%d\r\n"
"b=AS:%u\r\n"
"%s"
"%s"
"%s"
"%s"
"a=control:%s\r\n";
unsigned sdpFmtSize = strlen(sdpFmt)
+ strlen(mediaType) + 5 /* max short len */ + 3 /* max char len */
+ strlen(groupAddressStr.val()) + 3 /* max char len */
+ 20 /* max int len */
+ strlen(rtpmapLine)
+ strlen(rtcpmuxLine)
+ strlen(rangeLine)
+ strlen(auxSDPLine)
+ strlen(trackId());
char* sdpLines = new char[sdpFmtSize];
sprintf(sdpLines, sdpFmt,
mediaType, // m= <media>
portNum, // m= <port>
rtpPayloadType, // m= <fmt list>
groupAddressStr.val(), // c= <connection address>
ttl, // c= TTL
estBitrate, // b=AS:<bandwidth>
rtpmapLine, // a=rtpmap:... (if present)
rtcpmuxLine, // a=rtcp-mux:... (if present)
rangeLine, // a=range:... (if present)
auxSDPLine, // optional extra SDP line
trackId()); // a=control:<track-id>
delete[] (char*)rangeLine; delete[] rtpmapLine;
fSDPLines = strDup(sdpLines);
delete[] sdpLines;
}
return fSDPLines;
}
void PluginTransfer::listStreams() {
if (ResourcesRequest *r = streamsRequest()) {
Logger::log("PluginTransfer::listStreams(). ID: " + trackId(), Logger::MediumVerbosity);
r->list(Resources::STREAM, trackId());
}
else {
setErrorString(tr("No streams plugin found for service '%1'").arg(service()));
Logger::log("PluginTransfer::listStreams(). Error: " + errorString());
setStatus(Failed);
}
}
char const*
PassiveServerMediaSubsession::sdpLines() {
if (fSDPLines == NULL ) {
// Construct a set of SDP lines that describe this subsession:
// Use the components from "rtpSink":
Groupsock const& gs = fRTPSink.groupsockBeingUsed();
struct in_addr const& ipAddress = gs.groupAddress();
unsigned short portNum = ntohs(gs.port().num());
unsigned char ttl = gs.ttl();
unsigned char rtpPayloadType = fRTPSink.rtpPayloadType();
char const* mediaType = fRTPSink.sdpMediaType();
char* rtpmapLine = fRTPSink.rtpmapLine();
char const* rangeLine = rangeSDPLine();
char const* auxSDPLine = fRTPSink.auxSDPLine();
if (auxSDPLine == NULL) auxSDPLine = "";
char* const ipAddressStr = strDup(our_inet_ntoa(ipAddress));
char const* const sdpFmt =
"m=%s %d RTP/AVP %d\r\n"
"c=IN IP4 %s/%d\r\n"
"%s"
"%s"
"%s"
"a=control:%s\r\n";
unsigned sdpFmtSize = strlen(sdpFmt)
+ strlen(mediaType) + 5 /* max short len */ + 3 /* max char len */
+ strlen(ipAddressStr) + 3 /* max char len */
+ strlen(rtpmapLine)
+ strlen(rangeLine)
+ strlen(auxSDPLine)
+ strlen(trackId());
char* sdpLines = new char[sdpFmtSize];
sprintf(sdpLines, sdpFmt,
mediaType, // m= <media>
portNum, // m= <port>
rtpPayloadType, // m= <fmt list>
ipAddressStr, // c= <connection address>
ttl, // c= TTL
rtpmapLine, // a=rtpmap:... (if present)
rangeLine, // a=range:... (if present)
auxSDPLine, // optional extra SDP line
trackId()); // a=control:<track-id>
delete[] ipAddressStr; delete[] (char*)rangeLine; delete[] rtpmapLine;
fSDPLines = strDup(sdpLines);
delete[] sdpLines;
}
return fSDPLines;
}
void OnDemandServerMediaSubsession
::setSDPLinesFromRTPSink(RTPSink* rtpSink, FramedSource* inputSource, unsigned estBitrate) {
if (rtpSink == NULL) return;
liveLogInfo(" OnDemandServerMediaSubsession::setSDPLinesFromRTPSink \n");
char const* mediaType = rtpSink->sdpMediaType();
unsigned char rtpPayloadType = rtpSink->rtpPayloadType();
AddressString ipAddressStr(fServerAddressForSDP);
char* rtpmapLine = rtpSink->rtpmapLine();
char const* rtcpmuxLine = fMultiplexRTCPWithRTP ? "a=rtcp-mux\r\n" : "";
char const* rangeLine = rangeSDPLine();
char const* auxSDPLine = getAuxSDPLine(rtpSink, inputSource);
if (auxSDPLine == NULL) auxSDPLine = "";
char const* const sdpFmt =
"m=%s %u RTP/AVP %d\r\n"
"c=IN IP4 %s\r\n"
"b=AS:%u\r\n"
"%s"
"%s"
"%s"
"%s"
"a=control:%s\r\n";
unsigned sdpFmtSize = strlen(sdpFmt)
+ strlen(mediaType) + 5 /* max short len */ + 3 /* max char len */
+ strlen(ipAddressStr.val())
+ 20 /* max int len */
+ strlen(rtpmapLine)
+ strlen(rtcpmuxLine)
+ strlen(rangeLine)
+ strlen(auxSDPLine)
+ strlen(trackId());
char* sdpLines = new char[sdpFmtSize];
sprintf(sdpLines, sdpFmt,
mediaType, // m= <media>
fPortNumForSDP, // m= <port>
rtpPayloadType, // m= <fmt list>
ipAddressStr.val(), // c= address
estBitrate, // b=AS:<bandwidth>
rtpmapLine, // a=rtpmap:... (if present)
rtcpmuxLine, // a=rtcp-mux:... (if present)
rangeLine, // a=range:... (if present)
auxSDPLine, // optional extra SDP line
trackId()); // a=control:<track-id>
delete[] (char*)rangeLine; delete[] rtpmapLine;
fSDPLines = strDup(sdpLines);
delete[] sdpLines;
}
void AutoDJFeature::slotAddRandomTrack(bool) {
int failedRetrieveAttempts = 0;
// Get access to the auto-DJ playlist
PlaylistDAO& playlistDao = m_pTrackCollection->getPlaylistDAO();
if (m_iAutoDJPlaylistId >= 0) {
while (failedRetrieveAttempts < kMaxRetrieveAttempts) {
// Get the ID of a randomly-selected track.
TrackId trackId(m_autoDjCratesDao.getRandomTrackId());
if (trackId.isValid()) {
// Get Track Information
TrackPointer addedTrack = (m_pTrackCollection->getTrackDAO()).getTrack(trackId);
if(addedTrack->exists()) {
playlistDao.appendTrackToPlaylist(trackId, m_iAutoDJPlaylistId);
m_pAutoDJView->onShow();
return;
} else {
qDebug() << "Track does not exist:"
<< addedTrack->getInfo()
<< addedTrack->getLocation();
}
}
failedRetrieveAttempts += 1;
}
// If we couldn't get a track from the crates , get one from the library
qDebug () << "Could not load tracks from crates, attempting to load from library.";
failedRetrieveAttempts = 0;
while ( failedRetrieveAttempts < kMaxRetrieveAttempts ) {
TrackId trackId(m_autoDjCratesDao.getRandomTrackIdFromLibrary(m_iAutoDJPlaylistId));
if (trackId.isValid()) {
TrackPointer addedTrack = m_pTrackCollection->getTrackDAO().getTrack(trackId);
if(addedTrack->exists()) {
if(!addedTrack->getPlayCounter().isPlayed()) {
playlistDao.appendTrackToPlaylist(trackId, m_iAutoDJPlaylistId);
m_pAutoDJView->onShow();
return;
}
} else {
qDebug() << "Track does not exist:"
<< addedTrack->getInfo()
<< addedTrack->getLocation();
}
}
failedRetrieveAttempts += 1;
}
}
// If control reaches here it implies that we couldn't load track
qDebug() << "Could not load random track.";
}
void CrateFeature::slotTrackSelected(TrackPointer pTrack) {
m_pSelectedTrack = pTrack;
TrackId trackId(pTrack.isNull() ? TrackId() : pTrack->getId());
m_crateDao.getCratesTrackIsIn(trackId, &m_cratesSelectedTrackIsIn);
TreeItem* rootItem = m_childModel.getItem(QModelIndex());
if (rootItem == nullptr) {
return;
}
// Set all crates the track is in bold (or if there is no track selected,
// clear all the bolding).
int row = 0;
for (QList<QPair<int, QString> >::const_iterator it = m_crateList.begin();
it != m_crateList.end(); ++it, ++row) {
TreeItem* crate = rootItem->child(row);
if (crate == nullptr) {
continue;
}
int crateId = it->first;
bool shouldBold = m_cratesSelectedTrackIsIn.contains(crateId);
crate->setBold(shouldBold);
}
m_childModel.triggerRepaint();
}
bool CrateTableModel::addTrack(const QModelIndex& index, QString location) {
Q_UNUSED(index);
// If a track is dropped but it isn't in the library, then add it because
// the user probably dropped a file from outside Mixxx into this playlist.
QFileInfo fileInfo(location);
if (!fileInfo.exists()) {
return false;
}
TrackDAO& trackDao = m_pTrackCollection->getTrackDAO();
// Adds track, does not insert duplicates, handles unremoving logic.
TrackId trackId(trackDao.addTrack(fileInfo, true));
bool success = false;
if (trackId.isValid()) {
success = m_pTrackCollection->getCrateDAO().addTrackToCrate(trackId, m_iCrateId);
}
if (success) {
// TODO(rryan) just add the track dont select
select();
return true;
} else {
qDebug() << "CrateTableModel::addTrack could not add track"
<< fileInfo.absoluteFilePath() << "to crate" << m_iCrateId;
return false;
}
}
void OnDemandServerMediaSubsession
::setSDPLinesFromRTPSink(RTPSink* rtpSink, FramedSource* inputSource,
unsigned estBitrate) {
if (rtpSink == NULL) return;
char const* mediaType = rtpSink->sdpMediaType();
unsigned char rtpPayloadType = rtpSink->rtpPayloadType();
struct in_addr serverAddrForSDP; serverAddrForSDP.s_addr = fServerAddressForSDP;
char* const ipAddressStr = strDup(our_inet_ntoa(serverAddrForSDP));
char* rtpmapLine = rtpSink->rtpmapLine();
char const* rangeLine = rangeSDPLine();
char const* auxSDPLine = getAuxSDPLine(rtpSink, inputSource);
if (auxSDPLine == NULL) auxSDPLine = "";
char const* const sdpFmt =
"m=%s %u RTP/AVP %d\r\n"
"c=IN IP4 %s\r\n"
"b=AS:%u\r\n"
"%s"
"%s"
"%s"
"a=control:%s\r\n";
unsigned sdpFmtSize = strlen(sdpFmt)
+ strlen(mediaType) + 5 /* max short len */ + 3 /* max char len */
+ strlen(ipAddressStr)
+ 20 /* max int len */
+ strlen(rtpmapLine)
+ strlen(rangeLine)
+ strlen(auxSDPLine)
+ strlen(trackId());
char* sdpLines = new char[sdpFmtSize];
sprintf(sdpLines, sdpFmt,
mediaType, // m= <media>
fPortNumForSDP, // m= <port>
rtpPayloadType, // m= <fmt list>
ipAddressStr, // c= address
estBitrate, // b=AS:<bandwidth>
rtpmapLine, // a=rtpmap:... (if present)
rangeLine, // a=range:... (if present)
auxSDPLine, // optional extra SDP line
trackId()); // a=control:<track-id>
delete[] (char*)rangeLine; delete[] rtpmapLine; delete[] ipAddressStr;
fSDPLines = strDup(sdpLines);
DEBUG_LOG(INF, "fSDPLines: %s", fSDPLines);
delete[] sdpLines;
}
char const*
H264MediaSubsession::sdpLines() {
if (fSDPLines == NULL) {
AddressString ipAddressStr(fServerAddressForSDP);
const char* rtpmapLine = "a=rtpmap:96 H264/90000\r\n";
char const* rangeLine = rangeSDPLine();
char const* const sdpFmt =
"m=%s %u RTP/AVP %d\r\n"
"c=IN IP4 %s\r\n"
"b=AS:%u\r\n"
"%s"
"%s"
"%s"
"a=control:%s\r\n";
unsigned sdpFmtSize = strlen(sdpFmt)
+ strlen(mediaType) + 5 /* max short len */ + 3 /* max char len */
+ strlen(ipAddressStr.val())
+ 20 /* max int len */
+ strlen(rtpmapLine)
+ strlen(rangeLine)
+ strlen(auxSDPLine())
+ strlen(trackId());
char* sdpLines = new char[sdpFmtSize];
sprintf(sdpLines, sdpFmt,
mediaType, // m= <media>
fPortNumForSDP, // m= <port>
rtpPayloadType, // m= <fmt list>
ipAddressStr.val(), // c= address
m_Watcher->GetVideoBitrate(), // b=AS:<bandwidth>
rtpmapLine, // a=rtpmap:... (if present)
rangeLine, // a=range:... (if present)
auxSDPLine(), // optional extra SDP line
trackId()); // a=control:<track-id>
delete[] (char*)rangeLine;
fSDPLines = strDup(sdpLines);
delete[] sdpLines;
}
return fSDPLines;
}
bool BaseSqlTableModel::setData(
const QModelIndex& index, const QVariant& value, int role) {
if (!index.isValid())
return false;
int row = index.row();
int column = index.column();
if (sDebug) {
qDebug() << this << "setData() column:" << column << "value:" << value << "role:" << role;
}
// Over-ride sets to TIMESPLAYED and re-direct them to PLAYED
if (role == Qt::CheckStateRole) {
QString val = value.toInt() > 0 ? QString("true") : QString("false");
if (column == fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_TIMESPLAYED)) {
QModelIndex playedIndex = index.sibling(index.row(), fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_PLAYED));
return setData(playedIndex, val, Qt::EditRole);
} else if (column == fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_BPM)) {
QModelIndex bpmLockindex = index.sibling(index.row(), fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_BPM_LOCK));
return setData(bpmLockindex, val, Qt::EditRole);
}
return false;
}
if (row < 0 || row >= m_rowInfo.size()) {
return false;
}
const RowInfo& rowInfo = m_rowInfo[row];
TrackId trackId(rowInfo.trackId);
// You can't set something in the table columns because we have no way of
// persisting it.
if (column < m_tableColumns.size()) {
return false;
}
// TODO(rryan) ugly and only works because the mixxx library tables are the
// only ones that aren't read-only. This should be moved into BTC.
TrackPointer pTrack = m_trackDAO.getTrack(trackId);
if (!pTrack) {
return false;
}
setTrackValueForColumn(pTrack, column, value);
// Do not save the track here. Changing the track dirties it and the caching
// system will automatically save the track once it is unloaded from
// memory. rryan 10/2010
//m_trackDAO.saveTrack(pTrack);
return true;
}
void BasicRTSPOnlySubsession
::setSDPLines() {
//TODO: should be more dynamic
unsigned estBitrate = 5000;
char const* mediaType = "video";
uint8_t rtpPayloadType = 96;
AddressString ipAddressStr(fServerAddressForSDP);
char* rtpmapLine = strdup("a=rtpmap:96 H264/90000\n");
char const* auxSDPLine = "";
char const* const sdpFmt =
"m=%s %u RTP/AVP %u\r\n"
"c=IN IP4 %s\r\n"
"b=AS:%u\r\n"
"%s"
"a=control:%s\r\n";
unsigned sdpFmtSize = strlen(sdpFmt)
+ strlen(mediaType) + 5 /* max short len */ + 3 /* max char len */
+ strlen(ipAddressStr.val())
+ 20 /* max int len */
+ strlen(rtpmapLine)
+ strlen(trackId());
char* sdpLines = new char[sdpFmtSize];
sprintf(sdpLines, sdpFmt,
mediaType, // m= <media>
fPortNumForSDP, // m= <port>
rtpPayloadType, // m= <fmt list>
ipAddressStr.val(), // c= address
estBitrate, // b=AS:<bandwidth>
rtpmapLine, // a=rtpmap:... (if present)
trackId()); // a=control:<track-id>
fSDPLines = sdpLines;
}
char* rtspStream::generateSDPDescription()
{
int ipAddressStrSize = strlen(inet_ntoa(sockaddr.sin_addr));
char* sdp = NULL; // for now
unsigned sdpLength = 0;
char* sdpLines = GetSdpLines();
if (sdpLines == NULL)
return NULL;
sdpLength += strlen(sdpLines);
char const* const sdpPrefixFmt =
"v=0\r\n"
"o=- %ld%06ld %d IN IP4 %s\r\n"
"s=Media Presentation\r\n"
"i=%s\r\n"
"t=0 0\r\n"
"a=type:broadcast\r\n"
"a=control:*\r\n"
"%s";
sdpLength += strlen(sdpPrefixFmt)
+ 20 + 6 + 20 + ipAddressStrSize
+ strlen(sdpLines);
sdpLength += 1000; // in case the length of the "subsession->sdpLines()" calls below change
sdp = new char[sdpLength];
if (sdp == NULL) return NULL;
// Generate the SDP prefix (session-level lines):
snprintf(sdp, sdpLength, sdpPrefixFmt,
0, 0, // o= <session id>
1, // o= <version> // (needs to change if params are modified)
inet_ntoa(sockaddr.sin_addr), // o= <address>
trackId(),
sdpLines); // miscellaneous session SDP lines (if any)
return sdp;
}
bool BaseTrackCache::updateIndexWithQuery(const QString& queryString) {
PerformanceTimer timer;
timer.start();
if (sDebug) {
qDebug() << "updateIndexWithQuery issuing query:" << queryString;
}
QSqlQuery query(m_database);
// This causes a memory savings since QSqlCachedResult (what QtSQLite uses)
// won't allocate a giant in-memory table that we won't use at all.
query.setForwardOnly(true); // performance improvement?
query.prepare(queryString);
if (!query.exec()) {
LOG_FAILED_QUERY(query);
return false;
}
int numColumns = columnCount();
int idColumn = query.record().indexOf(m_idColumn);
while (query.next()) {
TrackId trackId(query.value(idColumn));
//m_trackInfo[id] will insert a QVector<QVariant> into the
//m_trackInfo HashTable with the key "id"
QVector<QVariant>& record = m_trackInfo[trackId];
record.resize(numColumns);
for (int i = 0; i < numColumns; ++i) {
record[i] = query.value(i);
}
}
qDebug() << this << "updateIndexWithQuery took" << timer.elapsed().debugMillisWithUnit();
return true;
}
bool BaseTrackCache::updateIndexWithTrackpointer(TrackPointer pTrack) {
if (sDebug) {
qDebug() << "updateIndexWithTrackpointer:" << pTrack->getLocation();
}
if (!pTrack) {
return false;
}
int numColumns = columnCount();
TrackId trackId(pTrack->getId());
if (trackId.isValid()) {
// m_trackInfo[id] will insert a QVector<QVariant> into the
// m_trackInfo HashTable with the key "id"
QVector<QVariant>& record = m_trackInfo[trackId];
// prealocate memory for all columns at once
record.resize(numColumns);
for (int i = 0; i < numColumns; ++i) {
getTrackValueForColumn(pTrack, i, record[i]);
}
}
return true;
}
void Transfer::setTrackId(const QString &i) {
if (i != trackId()) {
m_trackId = i;
emit trackIdChanged();
}
}
void BaseSqlTableModel::select() {
if (!m_bInitialized) {
return;
}
// We should be able to detect when a select() would be a no-op. The DAO's
// do not currently broadcast signals for when common things happen. In the
// future, we can turn this check on and avoid a lot of needless
// select()'s. rryan 9/2011
// if (!m_bDirty) {
// if (sDebug) {
// qDebug() << this << "Skipping non-dirty select()";
// }
// return;
// }
if (sDebug) {
qDebug() << this << "select()";
}
PerformanceTimer time;
time.start();
// Prepare query for id and all columns not in m_trackSource
QString queryString = QString("SELECT %1 FROM %2 %3")
.arg(m_tableColumnsJoined, m_tableName, m_tableOrderBy);
if (sDebug) {
qDebug() << this << "select() executing:" << queryString;
}
QSqlQuery query(m_database);
// This causes a memory savings since QSqlCachedResult (what QtSQLite uses)
// won't allocate a giant in-memory table that we won't use at all.
query.setForwardOnly(true);
query.prepare(queryString);
if (!query.exec()) {
LOG_FAILED_QUERY(query);
return;
}
// Remove all the rows from the table. We wait to do this until after the
// table query has succeeded. See Bug #1090888.
// TODO(rryan) we could edit the table in place instead of clearing it?
if (!m_rowInfo.isEmpty()) {
beginRemoveRows(QModelIndex(), 0, m_rowInfo.size() - 1);
m_rowInfo.clear();
m_trackIdToRows.clear();
endRemoveRows();
}
// sqlite does not set size and m_rowInfo was just cleared
//if (sDebug) {
// qDebug() << "Rows returned" << rows << m_rowInfo.size();
//}
QVector<RowInfo> rowInfo;
QSet<TrackId> trackIds;
while (query.next()) {
TrackId trackId(query.value(kIdColumn));
trackIds.insert(trackId);
RowInfo thisRowInfo;
thisRowInfo.trackId = trackId;
// save rows where this currently track id is located
thisRowInfo.order = rowInfo.size();
// Get all the table columns and store them in the hash for this
// row-info section.
thisRowInfo.metadata.reserve(m_tableColumns.size());
for (int i = 0; i < m_tableColumns.size(); ++i) {
thisRowInfo.metadata << query.value(i);
}
rowInfo.push_back(thisRowInfo);
}
if (sDebug) {
qDebug() << "Rows actually received:" << rowInfo.size();
}
if (m_trackSource) {
m_trackSource->filterAndSort(trackIds, m_currentSearch,
m_currentSearchFilter,
m_trackSourceOrderBy,
m_trackSourceSortColumn,
m_trackSourceSortOrder,
&m_trackSortOrder);
// Re-sort the track IDs since filterAndSort can change their order or mark
// them for removal (by setting their row to -1).
for (QVector<RowInfo>::iterator it = rowInfo.begin();
it != rowInfo.end(); ++it) {
// If the sort is not a track column then we will sort only to
// separate removed tracks (order == -1) from present tracks (order ==
// 0). Otherwise we sort by the order that filterAndSort returned to us.
if (m_trackSourceOrderBy.isEmpty()) {
it->order = m_trackSortOrder.contains(it->trackId) ? 0 : -1;
} else {
it->order = m_trackSortOrder.value(it->trackId, -1);
}
}
}
// RowInfo::operator< sorts by the order field, except -1 is placed at the
// end so we can easily slice off rows that are no longer present. Stable
// sort is necessary because the tracks may be in pre-sorted order so we
// should not disturb that if we are only removing tracks.
qStableSort(rowInfo.begin(), rowInfo.end());
m_trackIdToRows.clear();
for (int i = 0; i < rowInfo.size(); ++i) {
const RowInfo& row = rowInfo[i];
if (row.order == -1) {
// We've reached the end of valid rows. Resize rowInfo to cut off
// this and all further elements.
rowInfo.resize(i);
break;
}
QLinkedList<int>& rows = m_trackIdToRows[row.trackId];
rows.push_back(i);
}
// We're done! Issue the update signals and replace the master maps.
if (!rowInfo.isEmpty()) {
beginInsertRows(QModelIndex(), 0, rowInfo.size() - 1);
m_rowInfo = rowInfo;
endInsertRows();
}
qDebug() << this << "select() took" << time.elapsed().formatMillisWithUnit()
<< rowInfo.size();
}
void BaseTrackCache::filterAndSort(const QSet<TrackId>& trackIds,
const QString& searchQuery,
const QString& extraFilter,
const QString& orderByClause,
const QList<SortColumn>& sortColumns,
const int columnOffset,
QHash<TrackId, int>* trackToIndex) {
// Skip processing if there are no tracks to filter or sort.
if (trackIds.size() == 0) {
return;
}
if (!m_bIndexBuilt) {
buildIndex();
}
QStringList idStrings;
// TODO(rryan) consider making this the data passed in and a separate
// QVector for output
QSet<TrackId> dirtyTracks;
for (const auto& trackId: trackIds) {
idStrings << trackId.toString();
if (m_dirtyTracks.contains(trackId)) {
dirtyTracks.insert(trackId);
}
}
std::unique_ptr<QueryNode> pQuery(parseQuery(
searchQuery, extraFilter, idStrings));
QString filter = pQuery->toSql();
if (!filter.isEmpty()) {
filter.prepend("WHERE ");
}
QString queryString = QString("SELECT %1 FROM %2 %3 %4")
.arg(m_idColumn, m_tableName, filter, orderByClause);
if (sDebug) {
qDebug() << this << "select() executing:" << queryString;
}
QSqlQuery query(m_database);
// This causes a memory savings since QSqlCachedResult (what QtSQLite uses)
// won't allocate a giant in-memory table that we won't use at all.
query.setForwardOnly(true);
query.prepare(queryString);
if (!query.exec()) {
LOG_FAILED_QUERY(query);
}
int idColumn = query.record().indexOf(m_idColumn);
int rows = query.size();
if (sDebug) {
qDebug() << "Rows returned:" << rows;
}
m_trackOrder.resize(0); // keeps alocated memory
trackToIndex->clear();
if (rows > 0) {
trackToIndex->reserve(rows);
m_trackOrder.reserve(rows);
}
while (query.next()) {
TrackId trackId(query.value(idColumn));
(*trackToIndex)[trackId] = m_trackOrder.size();
m_trackOrder.append(trackId);
}
// At this point, the original set of tracks have been divided into two
// pieces: those that should be in the result set and those that should
// not. Unfortunately, due to TrackDAO caching, there may be tracks in
// either category that are there incorrectly. We must look at all the dirty
// tracks (within the original set, if specified) and evaluate whether they
// would match or not match the given filter criteria. Once we correct the
// membership of tracks in either set, we must then insertion-sort the
// missing tracks into the resulting index list.
if (dirtyTracks.size() == 0) {
return;
}
for (TrackId trackId: dirtyTracks) {
// Only get the track if it is in the cache.
TrackPointer pTrack = lookupCachedTrack(trackId);
if (!pTrack) {
continue;
}
// The track should be in the result set if the search is empty or the
// track matches the search.
bool shouldBeInResultSet = searchQuery.isEmpty() ||
pQuery->match(pTrack);
// If the track is in this result set.
bool isInResultSet = trackToIndex->contains(trackId);
if (shouldBeInResultSet) {
// Track should be in result set...
// Remove the track from the results first (we have to do this or it
// will sort wrong).
if (isInResultSet) {
int index = (*trackToIndex)[trackId];
m_trackOrder.remove(index);
// Don't update trackToIndex, since we do it below.
}
// Figure out where it is supposed to sort. The table is sorted by
// the sort column, so we can binary search.
int insertRow = findSortInsertionPoint(
pTrack, sortColumns, columnOffset, m_trackOrder);
if (sDebug) {
qDebug() << this
<< "Insertion sort says it should be inserted at:"
<< insertRow;
}
// The track should sort at insertRow
m_trackOrder.insert(insertRow, trackId);
trackToIndex->clear();
// Fix the index. TODO(rryan) find a non-stupid way to do this.
for (int i = 0; i < m_trackOrder.size(); ++i) {
(*trackToIndex)[m_trackOrder[i]] = i;
}
} else if (isInResultSet) {
// Track should not be in this result set, but it is. We need to
// remove it.
int index = (*trackToIndex)[trackId];
m_trackOrder.remove(index);
trackToIndex->clear();
// Fix the index. TODO(rryan) find a non-stupid way to do this.
for (int i = 0; i < m_trackOrder.size(); ++i) {
(*trackToIndex)[m_trackOrder[i]] = i;
}
}
}
}
