void WaveBother::addTrack(string name)
{
ofstream spectre(dbPrefix + "fingerprintBase.spct", ios_base::app);
set<double> fingerprints = fingerPrint(suspPrefix + name);
set<double>::iterator it;
for(it = fingerprints.begin(); it != fingerprints.end(); ++it)
{
spectre << setprecision(16) << *it << " " << name << endl;
}
spectre.close();
cout << name + " added to base." << endl;
}
// TODO: create in TEMP directory instead?
static WCHAR *GetThumbnailPath(const WCHAR *filePath)
{
// create a fingerprint of a (normalized) path for the file name
// I'd have liked to also include the file's last modification time
// in the fingerprint (much quicker than hashing the entire file's
// content), but that's too expensive for files on slow drives
unsigned char digest[16];
ScopedMem<char> pathU(str::conv::ToUtf8(filePath));
if (path::HasVariableDriveLetter(filePath))
pathU[0] = '?'; // ignore the drive letter, if it might change
CalcMD5Digest((unsigned char *)pathU.Get(), str::Len(pathU), digest);
ScopedMem<char> fingerPrint(str::MemToHex(digest, 16));
ScopedMem<WCHAR> thumbsPath(AppGenDataFilename(THUMBNAILS_DIR_NAME));
if (!thumbsPath)
return NULL;
ScopedMem<WCHAR> fname(str::conv::FromAnsi(fingerPrint));
return str::Format(L"%s\\%s.png", thumbsPath, fname);
}
// using a int vector[26] to caculate the fingerPrint of the str
// 304ms
vector<string> anagrams(vector<string> &strs)
{
vector<string> result;
if (strs.empty())
return result;
map<vector<int>, vector<string> > dict;
vector<string>::iterator st = strs.begin();
for (; st != strs.end(); ++ st)
{
dict[fingerPrint(*st)].push_back(*st);
}
map<vector<int>, vector<string> >::iterator it = dict.begin();
for (; it != dict.end(); ++ it)
{
if (it->second.size() > 1) {
for(st = it->second.begin(); st != it->second.end(); st ++)
result.push_back(*st);
}
}
return result;
}
void WaveBother::findTrack(string name)
{
set<double> fingerprints = fingerPrint(dbPrefix + name);
multimap<double, string>::iterator it;
map<string, int> occasions;
map<string, int>::iterator iter;
clock_t startTime = clock();
for(it = database.begin(); it != database.end(); ++it)
{
if(fingerprints.find(it->first) != fingerprints.end())
{
occasions[it->second]++;
}
}
cout << name << " " << double(clock() - startTime) / (double)CLOCKS_PER_SEC<< " seconds." << endl;
int max = 0;
int k = 0;
string j;
for(iter = occasions.begin(); iter != occasions.end(); ++iter)
{
//cout << iter->first << " " << iter->second << endl;
if(iter->second > max)
{
max = iter->second;
j = iter->first;
}
}
cout << j << " " << occasions[j] << endl << endl;
}
// TODO: create in TEMP directory instead?
static WCHAR* GetThumbnailPath(const WCHAR* filePath) {
// create a fingerprint of a (normalized) path for the file name
// I'd have liked to also include the file's last modification time
// in the fingerprint (much quicker than hashing the entire file's
// content), but that's too expensive for files on slow drives
unsigned char digest[16];
// TODO: why is this happening? Seen in crash reports e.g. 35043
if (!filePath)
return nullptr;
OwnedData pathU(str::conv::ToUtf8(filePath));
if (!pathU.Get())
return nullptr;
if (path::HasVariableDriveLetter(filePath))
pathU.Get()[0] = '?'; // ignore the drive letter, if it might change
CalcMD5Digest((unsigned char*)pathU.Get(), str::Len(pathU.Get()), digest);
AutoFree fingerPrint(_MemToHex(&digest));
AutoFreeW thumbsPath(AppGenDataFilename(THUMBNAILS_DIR_NAME));
if (!thumbsPath)
return nullptr;
AutoFreeW fname(str::conv::FromAnsi(fingerPrint));
return str::Format(L"%s\\%s.png", thumbsPath.Get(), fname.Get());
}
