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#include <cstdio>
#include <cstring>
#include <filesystem>
#include <fstream>
#include <set>
#include <string>
#include <utility>
#include <vector>
#include <thread>
#include <getopt.h>
#if PATH_VALSIZE == 2
#include <cwchar>
#endif
#ifdef _WIN32 //for the superior operating system
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <processenv.h>
#include <shellapi.h>
#endif
#include "signature.hpp"
#include "subslice_signature.hpp"
#include "signature_db.hpp"
#include "thread_pool.hpp"
#define DEBUG 0
namespace fs = std::filesystem;
int ctr;
int recursive;
int njobs = 1;
double threshold = 0.3;
std::vector<fs::path> paths;
std::vector<fs::path> files;
size_t nsliceh = 3;
size_t nslicev = 3;
signature_config cfg_full =
{
9, //slices
3, //blur_window
2, //min_window
true, //crop
true, //comp
0.5, //pr
1./128, //noise_threshold
0.05, //contrast_threshold
0.25 //max_cropping
};
signature_config cfg_subslice =
{
4, //slices
16, //blur_window
2, //min_window
false, //crop
true, //comp
0.5, //pr
1./64, //noise_threshold
0.05, //contrast_threshold
0.25 //max_cropping
};
struct sig_eq
{
bool operator()(const signature& a, const signature& b) const
{
//return a.distance(b) < 0.1;
return a == b;
}
};
typedef std::pair<size_t, int> slice_info;
signature_db *sdb;
int parse_arguments(int argc, char **argv)
{
recursive = 0;
int help = 0;
option longopt[]=
{
{"recursive", no_argument , &recursive, 1},
// {"destdir" , required_argument, 0 , 'D'},
{"jobs" , required_argument, 0 , 'j'},
{"threshold", required_argument, 0 , 'd'},
{"help" , no_argument , &help , 1},
{0 , 0 , 0 , 0}
};
while(1)
{
int idx = 0;
int c = getopt_long(argc, argv, "rhj:", longopt, &idx);
if (!~c) break;
switch (c)
{
case 0:
if (longopt[idx].flag) break;
if (std::string("jobs") == longopt[idx].name)
sscanf(optarg, "%d", &njobs);
if(std::string("threshold") == longopt[idx].name)
sscanf(optarg, "%lf", &threshold);
break;
case 'r':
recursive = 1;
break;
case 'h':
help = 1;
break;
case 'j':
sscanf(optarg, "%d", &njobs);
break;
case 'd':
sscanf(optarg, "%lf", &threshold);
break;
}
}
#ifdef _WIN32 //w*ndows, ugh
wchar_t *args = GetCommandLineW();
int wargc;
wchar_t **wargv = CommandLineToArgvW(args, &wargc);
if (wargv && wargc == argc)
{
for (; optind < argc; ++optind)
paths.push_back(wargv[optind]);
}
#else
for (; optind < argc; ++optind)
paths.push_back(argv[optind]);
#endif
if (help || argc < 2)
{
printf(
"Usage: %s [OPTION] PATH...\n"
"Detect potentially duplicate images in PATHs and optionally perform an action on them.\n\n"
" -h, --help Display this help message and exit.\n"
" -r, --recursive Recurse into all directories.\n"
" -j, --jobs Number of concurrent tasks to run at once.\n"
" -d, --threshold Threshold distance below which images will be considered similar.\n"
,argv[0]
);
return 1;
}
if (threshold > 1 || threshold < 0)
{
puts("Invalid threshold value.");
return 2;
}
if (threshold < 1e-6) threshold = 1e-6;
if (!paths.size())
{
puts("Missing image path.");
return 2;
}
return 0;
}
void build_file_list(fs::path path, bool recursive, std::vector<fs::path> &out)
{
if (recursive)
{
auto dirit = fs::recursive_directory_iterator(path);
for (auto &p : dirit)
{
std::fstream st(p.path(), std::ios::binary | std::ios::in);
char c[8];
st.read(c, 6);
if (st.gcount() < 6) continue;
if(!memcmp(c,"\x89PNG\r\n", 6) || !memcmp(c,"\xff\xd8\xff", 3))
{
out.push_back(p.path());
#if DEBUG > 0
printf("%ld, %s\n", out.size() - 1, out.back().c_str());
#endif
}
st.close();
}
}
else
{
auto dirit = fs::directory_iterator(path);
for(auto &p : dirit)
{
std::fstream st(p.path(), std::ios::binary | std::ios::in);
char c[8];
st.read(c, 6);
if (st.gcount() < 6) continue;
if(!memcmp(c,"\x89PNG\r\n", 6) || !memcmp(c,"\xff\xd8\xff", 3))
{
out.push_back(p.path());
#if DEBUG > 0
printf("%ld, %s\n", out.size() - 1, out.back().c_str());
#endif
}
st.close();
}
}
}
int main(int argc,char** argv)
{
if (int pr = parse_arguments(argc, argv)) return pr - 1;
puts("building list of files to compare...");
for (auto &p : paths)
build_file_list(p, recursive, files);
printf("%lu files to compare.\n", files.size());
puts("initializing database...");
sdb = new signature_db();
puts("computing signature vectors...");
populate_cfg_t pcfg = {
nsliceh,
nslicev,
cfg_full,
cfg_subslice,
threshold,
[](size_t c, int){printf("%lu\r", c); fflush(stdout);},
njobs
};
sdb->populate(files, pcfg);
puts("grouping similar images...");
sdb->group_similar();
sdb->batch_get_signature_begin();
std::vector<dupe_t> dupes = sdb->dupe_pairs();
for (auto &p : dupes)
{
fs::path p1, p2;
std::tie(p1, std::ignore) = sdb->get_signature(p.id1);
std::tie(p2, std::ignore) = sdb->get_signature(p.id2);
#if PATH_VALSIZE == 2
wprintf(L"%ls %ls %f\n", p1.c_str(), p2.c_str(), p.distance);
#else
printf("%s %s %f\n", p1.c_str(), p2.c_str(), p.distance);
#endif
}
std::vector<std::vector<size_t>> gp = sdb->groups_get();
for (auto gi = gp.begin(); gi != gp.end(); ++gi)
{
if (gi->size() < 2) continue;
printf("group #%lu:\n", gi - gp.begin());
for (auto &id : *gi)
{
fs::path p;
std::tie(p, std::ignore) = sdb->get_signature(id);
#if PATH_VALSIZE == 2
wprintf(L"\t%ls\n", p.c_str());
#else
printf("\t%s\n", p.c_str());
#endif
}
}
sdb->batch_get_signature_end();
sdb->to_db_file("test.sigdb");
delete sdb;
return 0;
}
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