void MusicScanner::saveCache(const QString &cache, MusicLibraryItemRoot *lib)
{
lastCacheProg=-1;
writeProgress(0.0);
lib->toXML(cache, QDateTime(), this);
emit cacheSaved();
}
void
makeDifferenceImages (char *imageDirectory, char *imageList, char *distanceMatrix, int maxRank, int reqNIntra, int reqNExtra, Matrix *intrapersonal, Matrix *extrapersonal)
{
ImageList* imlist;
void *nameList = NULL;
char **nameArray;
void *subjList = NULL;
int *subjArray, *shuffledIndices, **sortedBySimilarityToProbe;
int subjId, probeIdx, galleryIdx, idx, nIntrapersonal, nExtrapersonal, rank, i, numPixels;
int nImages;
/* size_t trash; */
Matrix sourceImages, intraImages, extraImages;
ImageList *replicate, *subject;
char *subjName;
/* Read in a list of all the images */
imlist = getImageNames (imageList, &nImages);
subjId = 0;
for EACH_SUBJECT (imlist, subject) {
for EACH_REPLICATE (subject, replicate) {
subjName = strdup (replicate->filename);
listAccumulate (&nameList, &subjName, sizeof (char *));
listAccumulate (&subjList, &subjId, sizeof (int));
writeProgress ("Reading subjects list", subjId, 0);
}
subjId++;
}
/*
This function reads images in to a vector. That vector is then mean subtracted
and then projected onto an optimal basis (PCA, LDA or LPP). Returned is a matrix
that contains the images after they have been projected onto the subspace.
*/
Matrix
readAndProjectImages (Subspace *s, char *imageNamesFile, char *imageDirectory, int *numImages, ImageList **srt)
{
int i, j;
Matrix images, vector, smallVector;
char name[FILE_LINE_LENGTH];
ImageList *subject, *replicate;
DEBUG(1, "Reading training file names from file");
*srt = getImageNames(imageNamesFile, numImages);
DEBUG_CHECK(*srt, "Error: header no imagenames found in file image list file");
/* Automatically determine number of pixels in images */
sprintf(name, "%s/%s", imageDirectory, (*srt)->filename);
DEBUG(1, "Autodetecting number of pixels, i.e. vector length based on the size of image 0.");
DEBUG_CHECK (autoFileLength(name) == s->numPixels, "Images sizes do not match subspace basis vector size");
DEBUG_INT(1, "Vector length", s->numPixels);
DEBUG_CHECK(s->numPixels > 0, "Error positive value required for a Vector Length");
/*Images stored in the columns of a matrix */
DEBUG(1, "Allocating image matrix");
images = makeMatrix(s->basis->col_dim, *numImages);
vector = makeMatrix(s->numPixels, 1);
i = 0;
for (subject = *srt; subject; subject = subject->next_subject) {
for (replicate = subject; replicate; replicate = replicate->next_replicate) {
if (debuglevel > 0)
printf("%s ", replicate->filename);
sprintf(name, "%s/%s", imageDirectory, replicate->filename);
replicate->imageIndex = i;
readFile(name, 0, vector);
writeProgress("Reading images", i,*numImages);
smallVector = centerThenProjectImages(s, vector);
/* Copy the smaller vector into the image matrix*/
for (j = 0; j < smallVector->row_dim; j++) {
ME(images, j, i) = ME(smallVector, j, 0);
}
freeMatrix(smallVector);
i++; /* increament the image index */
}
if (debuglevel > 0)
printf("\n");
}
return images;
}
void MusicScanner::scan(const QString &folder, const QString &cacheFile, bool readCache, const QSet<FileOnlySong> &existingSongs)
{
lastCacheProg=-1;
if (!cacheFile.isEmpty() && readCache) {
MusicLibraryItemRoot *lib=new MusicLibraryItemRoot;
MusicLibraryModel::convertCache(cacheFile);
readProgress(0.0);
if (lib->fromXML(cacheFile, QDateTime(), folder)) {
lib->applyGrouping();
if (!stopRequested) {
emit libraryUpdated(lib);
} else {
delete lib;
}
return;
} else {
delete lib;
}
}
if (stopRequested) {
return;
}
count=0;
lastUpdate=0;
MusicLibraryItemRoot *library = new MusicLibraryItemRoot;
QString topLevel=Utils::fixPath(QDir(folder).absolutePath());
QSet<FileOnlySong> existing=existingSongs;
scanFolder(library, topLevel, topLevel, existing, 0);
if (!stopRequested) {
library->applyGrouping();
if (!cacheFile.isEmpty()) {
writeProgress(0.0);
library->toXML(cacheFile, QDateTime(), this);
}
emit libraryUpdated(library);
} else {
delete library;
}
}
void MusicScanner::scan(const QString &folder, const QString &cacheFile, bool readCache, const QSet<FileOnlySong> &existingSongs)
{
if (!cacheFile.isEmpty() && readCache) {
MusicLibraryItemRoot *lib=new MusicLibraryItemRoot;
readProgress(0.0);
if (lib->fromXML(cacheFile, 0, 0, folder)) {
if (!stopRequested) {
emit libraryUpdated(lib);
} else {
delete lib;
}
return;
} else {
delete lib;
}
}
if (stopRequested) {
return;
}
count=0;
MusicLibraryItemRoot *library = new MusicLibraryItemRoot;
QString topLevel=Utils::fixPath(QDir(folder).absolutePath());
QSet<FileOnlySong> existing=existingSongs;
timer.start();
scanFolder(library, topLevel, topLevel, existing, 0);
if (!stopRequested) {
if (!cacheFile.isEmpty()) {
writeProgress(0.0);
library->toXML(cacheFile, 0, false, this);
}
emit libraryUpdated(library);
} else {
delete library;
}
}
void MusicScanner::saveCache(const QString &cache, MusicLibraryItemRoot *lib)
{
writeProgress(0.0);
lib->toXML(cache, 0, false, this);
emit cacheSaved();
}
