czkawka/czkawka_core/src/similar_videos.rs

721 lines
29 KiB
Rust

use crate::common::Common;
use crate::common_directory::Directories;
use crate::common_extensions::Extensions;
use crate::common_items::ExcludedItems;
use crate::common_messages::Messages;
use crate::common_traits::{DebugPrint, PrintResults, SaveResults};
use crossbeam_channel::Receiver;
use directories_next::ProjectDirs;
use ffmpeg_cmdline_utils::FfmpegErrorKind::FfmpegNotFound;
use humansize::{file_size_opts as options, FileSize};
use rayon::prelude::*;
use std::collections::{BTreeMap, HashMap};
use std::fs::OpenOptions;
use std::fs::{File, Metadata};
use std::io::Write;
use std::io::*;
use std::path::{Path, PathBuf};
use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
use std::sync::Arc;
use std::thread::sleep;
use std::time::{Duration, SystemTime, UNIX_EPOCH};
use std::{fs, mem, thread};
use vid_dup_finder_lib::HashCreationErrorKind::DetermineVideo;
use vid_dup_finder_lib::{NormalizedTolerance, VideoHash};
pub const MAX_TOLERANCE: i32 = 20;
#[derive(Debug)]
pub struct ProgressData {
pub current_stage: u8,
pub max_stage: u8,
pub videos_checked: usize,
pub videos_to_check: usize,
}
#[derive(Clone, Debug)]
pub struct FileEntry {
pub path: PathBuf,
pub size: u64,
pub modified_date: u64,
pub vhash: VideoHash,
}
/// Distance metric to use with the BK-tree.
struct Hamming;
impl bk_tree::Metric<Vec<u8>> for Hamming {
fn distance(&self, a: &Vec<u8>, b: &Vec<u8>) -> u32 {
hamming::distance_fast(a, b).unwrap() as u32
}
fn threshold_distance(&self, a: &Vec<u8>, b: &Vec<u8>, _threshold: u32) -> Option<u32> {
Some(self.distance(a, b))
}
}
/// Struct to store most basics info about all folder
pub struct SimilarVideos {
information: Info,
text_messages: Messages,
directories: Directories,
excluded_items: ExcludedItems,
allowed_extensions: Extensions,
similar_vectors: Vec<Vec<FileEntry>>,
recursive_search: bool,
minimal_file_size: u64,
maximal_file_size: u64,
videos_hashes: BTreeMap<Vec<u8>, Vec<FileEntry>>,
stopped_search: bool,
videos_to_check: BTreeMap<String, FileEntry>,
use_cache: bool,
tolerance: i32,
}
/// Info struck with helpful information's about results
#[derive(Default)]
pub struct Info {
pub number_of_removed_files: usize,
pub number_of_failed_to_remove_files: usize,
pub gained_space: u64,
}
impl Info {
pub fn new() -> Self {
Default::default()
}
}
/// Method implementation for EmptyFolder
impl SimilarVideos {
/// New function providing basics values
pub fn new() -> Self {
Self {
information: Default::default(),
text_messages: Messages::new(),
directories: Directories::new(),
excluded_items: Default::default(),
allowed_extensions: Extensions::new(),
similar_vectors: vec![],
recursive_search: true,
minimal_file_size: 1024 * 16,
maximal_file_size: u64::MAX,
videos_hashes: Default::default(),
stopped_search: false,
videos_to_check: Default::default(),
use_cache: true,
tolerance: 10,
}
}
pub fn set_tolerance(&mut self, tolerance: i32) {
assert!((0..=MAX_TOLERANCE).contains(&tolerance));
self.tolerance = tolerance
}
pub fn get_stopped_search(&self) -> bool {
self.stopped_search
}
pub const fn get_text_messages(&self) -> &Messages {
&self.text_messages
}
pub fn set_allowed_extensions(&mut self, allowed_extensions: String) {
self.allowed_extensions.set_allowed_extensions(allowed_extensions, &mut self.text_messages);
}
pub const fn get_similar_videos(&self) -> &Vec<Vec<FileEntry>> {
&self.similar_vectors
}
pub const fn get_information(&self) -> &Info {
&self.information
}
pub fn set_use_cache(&mut self, use_cache: bool) {
self.use_cache = use_cache;
}
pub fn set_recursive_search(&mut self, recursive_search: bool) {
self.recursive_search = recursive_search;
}
pub fn set_minimal_file_size(&mut self, minimal_file_size: u64) {
self.minimal_file_size = match minimal_file_size {
0 => 1,
t => t,
};
}
pub fn set_maximal_file_size(&mut self, maximal_file_size: u64) {
self.maximal_file_size = match maximal_file_size {
0 => 1,
t => t,
};
}
/// Public function used by CLI to search for empty folders
pub fn find_similar_videos(&mut self, stop_receiver: Option<&Receiver<()>>, progress_sender: Option<&futures::channel::mpsc::UnboundedSender<ProgressData>>) {
if !check_if_ffmpeg_is_installed() {
self.text_messages.errors.push("Cannot find proper installation of FFmpeg.".to_string());
} else {
self.directories.optimize_directories(true, &mut self.text_messages);
if !self.check_for_similar_videos(stop_receiver, progress_sender) {
self.stopped_search = true;
return;
}
if !self.sort_videos(stop_receiver, progress_sender) {
self.stopped_search = true;
return;
}
// if self.delete_folders {
// self.delete_empty_folders();
// }
}
self.debug_print();
}
// pub fn set_delete_folder(&mut self, delete_folder: bool) {
// self.delete_folders = delete_folder;
// }
/// Function to check if folder are empty.
/// Parameter initial_checking for second check before deleting to be sure that checked folder is still empty
fn check_for_similar_videos(&mut self, stop_receiver: Option<&Receiver<()>>, progress_sender: Option<&futures::channel::mpsc::UnboundedSender<ProgressData>>) -> bool {
let start_time: SystemTime = SystemTime::now();
let mut folders_to_check: Vec<PathBuf> = Vec::with_capacity(1024 * 2); // This should be small enough too not see to big difference and big enough to store most of paths without needing to resize vector
// Add root folders for finding
for id in &self.directories.included_directories {
folders_to_check.push(id.clone());
}
//// PROGRESS THREAD START
const LOOP_DURATION: u32 = 200; //in ms
let progress_thread_run = Arc::new(AtomicBool::new(true));
let atomic_file_counter = Arc::new(AtomicUsize::new(0));
let progress_thread_handle;
if let Some(progress_sender) = progress_sender {
let progress_send = progress_sender.clone();
let progress_thread_run = progress_thread_run.clone();
let atomic_file_counter = atomic_file_counter.clone();
progress_thread_handle = thread::spawn(move || loop {
progress_send
.unbounded_send(ProgressData {
current_stage: 0,
max_stage: 1,
videos_checked: atomic_file_counter.load(Ordering::Relaxed) as usize,
videos_to_check: 0,
})
.unwrap();
if !progress_thread_run.load(Ordering::Relaxed) {
break;
}
sleep(Duration::from_millis(LOOP_DURATION as u64));
});
} else {
progress_thread_handle = thread::spawn(|| {});
}
//// PROGRESS THREAD END
while !folders_to_check.is_empty() {
if stop_receiver.is_some() && stop_receiver.unwrap().try_recv().is_ok() {
// End thread which send info to gui
progress_thread_run.store(false, Ordering::Relaxed);
progress_thread_handle.join().unwrap();
return false;
}
let current_folder = folders_to_check.pop().unwrap();
// Read current dir, if permission are denied just go to next
let read_dir = match fs::read_dir(&current_folder) {
Ok(t) => t,
Err(e) => {
self.text_messages.warnings.push(format!("Cannot open dir {}, reason {}", current_folder.display(), e));
continue;
} // Permissions denied
};
// Check every sub folder/file/link etc.
'dir: for entry in read_dir {
let entry_data = match entry {
Ok(t) => t,
Err(e) => {
self.text_messages.warnings.push(format!("Cannot read entry in dir {}, reason {}", current_folder.display(), e));
continue;
} //Permissions denied
};
let metadata: Metadata = match entry_data.metadata() {
Ok(t) => t,
Err(e) => {
self.text_messages.warnings.push(format!("Cannot read metadata in dir {}, reason {}", current_folder.display(), e));
continue;
} //Permissions denied
};
if metadata.is_dir() {
if !self.recursive_search {
continue;
}
let next_folder = current_folder.join(entry_data.file_name());
if self.directories.is_excluded(&next_folder) {
continue 'dir;
}
if self.excluded_items.is_excluded(&next_folder) {
continue 'dir;
}
folders_to_check.push(next_folder);
} else if metadata.is_file() {
atomic_file_counter.fetch_add(1, Ordering::Relaxed);
let file_name_lowercase: String = match entry_data.file_name().into_string() {
Ok(t) => t,
Err(_inspected) => {
println!("File {:?} has not valid UTF-8 name", entry_data);
continue 'dir;
}
}
.to_lowercase();
if !self.allowed_extensions.file_extensions.is_empty() {
let allowed = self.allowed_extensions.file_extensions.iter().any(|e| file_name_lowercase.ends_with((".".to_string() + e.to_lowercase().as_str()).as_str()));
if !allowed {
// Not an allowed extension, ignore it.
continue 'dir;
}
}
// Checking allowed video extensions
let allowed_video_extensions = [".mp4", ".mpv", ".flv", ".mp4a", ".webm", ".mpg", ".mp2", ".mpeg", ".m4p", ".m4v", ".avi", ".wmv", ".qt", ".mov", ".swf", ".mkv"];
if !allowed_video_extensions.iter().any(|e| file_name_lowercase.ends_with(e)) {
continue 'dir;
}
// Checking files
if (self.minimal_file_size..=self.maximal_file_size).contains(&metadata.len()) {
let current_file_name = current_folder.join(entry_data.file_name());
if self.excluded_items.is_excluded(&current_file_name) {
continue 'dir;
}
let fe: FileEntry = FileEntry {
path: current_file_name.clone(),
size: metadata.len(),
modified_date: match metadata.modified() {
Ok(t) => match t.duration_since(UNIX_EPOCH) {
Ok(d) => d.as_secs(),
Err(_inspected) => {
self.text_messages.warnings.push(format!("File {} seems to be modified before Unix Epoch.", current_file_name.display()));
0
}
},
Err(e) => {
self.text_messages.warnings.push(format!("Unable to get modification date from file {}, reason {}", current_file_name.display(), e));
0
} // Permissions Denied
},
vhash: Default::default(),
};
self.videos_to_check.insert(current_file_name.to_string_lossy().to_string(), fe);
}
}
}
}
// End thread which send info to gui
progress_thread_run.store(false, Ordering::Relaxed);
progress_thread_handle.join().unwrap();
Common::print_time(start_time, SystemTime::now(), "check_for_similar_videos".to_string());
true
}
fn sort_videos(&mut self, stop_receiver: Option<&Receiver<()>>, progress_sender: Option<&futures::channel::mpsc::UnboundedSender<ProgressData>>) -> bool {
let hash_map_modification = SystemTime::now();
let loaded_hash_map;
let mut records_already_cached: BTreeMap<String, FileEntry> = Default::default();
let mut non_cached_files_to_check: BTreeMap<String, FileEntry> = Default::default();
if self.use_cache {
loaded_hash_map = match load_hashes_from_file(&mut self.text_messages) {
Some(t) => t,
None => Default::default(),
};
for (name, file_entry) in &self.videos_to_check {
#[allow(clippy::if_same_then_else)]
if !loaded_hash_map.contains_key(name) {
// If loaded data doesn't contains current videos info
non_cached_files_to_check.insert(name.clone(), file_entry.clone());
} else if file_entry.size != loaded_hash_map.get(name).unwrap().size || file_entry.modified_date != loaded_hash_map.get(name).unwrap().modified_date {
// When size or modification date of video changed, then it is clear that is different video
non_cached_files_to_check.insert(name.clone(), file_entry.clone());
} else {
// Checking may be omitted when already there is entry with same size and modification date
records_already_cached.insert(name.clone(), loaded_hash_map.get(name).unwrap().clone());
}
}
} else {
loaded_hash_map = Default::default();
mem::swap(&mut self.videos_to_check, &mut non_cached_files_to_check);
}
Common::print_time(hash_map_modification, SystemTime::now(), "sort_videos - reading data from cache and preparing them".to_string());
let hash_map_modification = SystemTime::now();
//// PROGRESS THREAD START
const LOOP_DURATION: u32 = 200; //in ms
let progress_thread_run = Arc::new(AtomicBool::new(true));
let atomic_file_counter = Arc::new(AtomicUsize::new(0));
let progress_thread_handle;
if let Some(progress_sender) = progress_sender {
let progress_send = progress_sender.clone();
let progress_thread_run = progress_thread_run.clone();
let atomic_file_counter = atomic_file_counter.clone();
let videos_to_check = non_cached_files_to_check.len();
progress_thread_handle = thread::spawn(move || loop {
progress_send
.unbounded_send(ProgressData {
current_stage: 1,
max_stage: 1,
videos_checked: atomic_file_counter.load(Ordering::Relaxed) as usize,
videos_to_check,
})
.unwrap();
if !progress_thread_run.load(Ordering::Relaxed) {
break;
}
sleep(Duration::from_millis(LOOP_DURATION as u64));
});
} else {
progress_thread_handle = thread::spawn(|| {});
}
//// PROGRESS THREAD END
let old_vec_file_entry: Vec<std::result::Result<FileEntry, String>> = non_cached_files_to_check
.par_iter()
.map(|file_entry| {
atomic_file_counter.fetch_add(1, Ordering::Relaxed);
if stop_receiver.is_some() && stop_receiver.unwrap().try_recv().is_ok() {
// This will not break
return None;
}
let mut file_entry = file_entry.1.clone();
let vhash = match VideoHash::from_path(&file_entry.path) {
Ok(t) => t,
Err(e) => return Some(Err(format!("Failed to hash file, {}", e))),
};
file_entry.vhash = vhash;
Some(Ok(file_entry))
})
.while_some()
.collect::<Vec<std::result::Result<FileEntry, String>>>();
// End thread which send info to gui
progress_thread_run.store(false, Ordering::Relaxed);
progress_thread_handle.join().unwrap();
let mut vec_file_entry = Vec::new();
for result in old_vec_file_entry {
match result {
Ok(t) => vec_file_entry.push(t),
Err(e) => {
self.text_messages.errors.push(e);
}
}
}
Common::print_time(hash_map_modification, SystemTime::now(), "sort_videos - reading data from files in parallel".to_string());
let hash_map_modification = SystemTime::now();
// Just connect loaded results with already calculated hashes
for (_name, file_entry) in records_already_cached {
vec_file_entry.push(file_entry.clone());
}
let mut hashmap_with_file_entries: HashMap<String, FileEntry> = Default::default();
let mut vector_of_hashes: Vec<VideoHash> = Vec::new();
for i in &vec_file_entry {
hashmap_with_file_entries.insert(i.vhash.src_path().to_string_lossy().to_string(), i.clone());
vector_of_hashes.push(i.vhash.clone());
}
if self.use_cache {
// Must save all results to file, old loaded from file with all currently counted results
let mut all_results: BTreeMap<String, FileEntry> = loaded_hash_map;
for file_entry in vec_file_entry {
all_results.insert(file_entry.path.to_string_lossy().to_string(), file_entry);
}
save_hashes_to_file(&all_results, &mut self.text_messages);
}
Common::print_time(hash_map_modification, SystemTime::now(), "sort_videos - saving data to files".to_string());
let hash_map_modification = SystemTime::now();
let match_group = vid_dup_finder_lib::search(vector_of_hashes, NormalizedTolerance::new(self.tolerance as f64 / 100.0f64));
let mut collected_similar_videos: Vec<Vec<FileEntry>> = Default::default();
for i in match_group {
let mut temp_vector: Vec<FileEntry> = Vec::new();
for j in i.duplicates() {
temp_vector.push(hashmap_with_file_entries.get(&j.to_string_lossy().to_string()).unwrap().clone());
}
assert!(temp_vector.len() > 1);
collected_similar_videos.push(temp_vector);
}
self.similar_vectors = collected_similar_videos;
Common::print_time(hash_map_modification, SystemTime::now(), "sort_videos - selecting data from BtreeMap".to_string());
// Clean unused data
self.videos_hashes = Default::default();
self.videos_to_check = Default::default();
true
}
/// Set included dir which needs to be relative, exists etc.
pub fn set_included_directory(&mut self, included_directory: Vec<PathBuf>) {
self.directories.set_included_directory(included_directory, &mut self.text_messages);
}
pub fn set_excluded_directory(&mut self, excluded_directory: Vec<PathBuf>) {
self.directories.set_excluded_directory(excluded_directory, &mut self.text_messages);
}
pub fn set_excluded_items(&mut self, excluded_items: Vec<String>) {
self.excluded_items.set_excluded_items(excluded_items, &mut self.text_messages);
}
}
impl Default for SimilarVideos {
fn default() -> Self {
Self::new()
}
}
impl DebugPrint for SimilarVideos {
#[allow(dead_code)]
#[allow(unreachable_code)]
fn debug_print(&self) {
#[cfg(not(debug_assertions))]
{
return;
}
println!("---------------DEBUG PRINT---------------");
println!("Included directories - {:?}", self.directories.included_directories);
println!("-----------------------------------------");
}
}
impl SaveResults for SimilarVideos {
fn save_results_to_file(&mut self, file_name: &str) -> bool {
let start_time: SystemTime = SystemTime::now();
let file_name: String = match file_name {
"" => "results.txt".to_string(),
k => k.to_string(),
};
let file_handler = match File::create(&file_name) {
Ok(t) => t,
Err(e) => {
self.text_messages.errors.push(format!("Failed to create file {}, reason {}", file_name, e));
return false;
}
};
let mut writer = BufWriter::new(file_handler);
if let Err(e) = writeln!(
writer,
"Results of searching {:?} with excluded directories {:?} and excluded items {:?}",
self.directories.included_directories, self.directories.excluded_directories, self.excluded_items.items
) {
self.text_messages.errors.push(format!("Failed to save results to file {}, reason {}", file_name, e));
return false;
}
if !self.similar_vectors.is_empty() {
write!(writer, "{} videos which have similar friends\n\n", self.similar_vectors.len()).unwrap();
for struct_similar in self.similar_vectors.iter() {
writeln!(writer, "Found {} videos which have similar friends", self.similar_vectors.len()).unwrap();
for file_entry in struct_similar {
writeln!(writer, "{} - {}", file_entry.path.display(), file_entry.size.file_size(options::BINARY).unwrap(),).unwrap();
}
writeln!(writer).unwrap();
}
} else {
write!(writer, "Not found any similar videos.").unwrap();
}
Common::print_time(start_time, SystemTime::now(), "save_results_to_file".to_string());
true
}
}
impl PrintResults for SimilarVideos {
fn print_results(&self) {
if !self.similar_vectors.is_empty() {
println!("Found {} videos which have similar friends", self.similar_vectors.len());
for vec_file_entry in &self.similar_vectors {
for file_entry in vec_file_entry {
println!("{} - {}", file_entry.path.display(), file_entry.size.file_size(options::BINARY).unwrap());
}
println!();
}
}
}
}
fn save_hashes_to_file(hashmap: &BTreeMap<String, FileEntry>, text_messages: &mut Messages) {
if let Some(proj_dirs) = ProjectDirs::from("pl", "Qarmin", "Czkawka") {
// Lin: /home/username/.cache/czkawka
// Win: C:\Users\Username\AppData\Local\Qarmin\Czkawka\cache
// Mac: /Users/Username/Library/Caches/pl.Qarmin.Czkawka
// Saves data
// path//file_size//modified_date//num_frames//duration//hash1//hash2 etc.
// number of hashes is equal to HASH_QWORDS(19 at this moment)
let cache_dir = PathBuf::from(proj_dirs.cache_dir());
if cache_dir.exists() {
if !cache_dir.is_dir() {
text_messages.messages.push(format!("Config dir {} is a file!", cache_dir.display()));
return;
}
} else if let Err(e) = fs::create_dir_all(&cache_dir) {
text_messages.messages.push(format!("Cannot create config dir {}, reason {}", cache_dir.display(), e));
return;
}
let cache_file = cache_dir.join("cache_similar_videos.txt");
let file_handler = match OpenOptions::new().truncate(true).write(true).create(true).open(&cache_file) {
Ok(t) => t,
Err(e) => {
text_messages.messages.push(format!("Cannot create or open cache file {}, reason {}", cache_file.display(), e));
return;
}
};
let mut writer = BufWriter::new(file_handler);
for file_entry in hashmap.values() {
let mut string: String = String::with_capacity(256);
string += format!("{}//{}//{}//{}//{}", file_entry.path.display(), file_entry.size, file_entry.modified_date, file_entry.vhash.num_frames(), file_entry.vhash.duration()).as_str();
for i in file_entry.vhash.hash() {
string.push_str("//");
string.push_str(i.to_string().as_str());
}
if let Err(e) = writeln!(writer, "{}", string) {
text_messages.messages.push(format!("Failed to save some data to cache file {}, reason {}", cache_file.display(), e));
return;
};
}
}
}
fn load_hashes_from_file(text_messages: &mut Messages) -> Option<BTreeMap<String, FileEntry>> {
if let Some(proj_dirs) = ProjectDirs::from("pl", "Qarmin", "Czkawka") {
let cache_dir = PathBuf::from(proj_dirs.cache_dir());
let cache_file = cache_dir.join("cache_similar_videos.txt");
let file_handler = match OpenOptions::new().read(true).open(&cache_file) {
Ok(t) => t,
Err(_inspected) => {
// text_messages.messages.push(format!("Cannot find or open cache file {}", cache_file.display())); // This shouldn't be write to output
return None;
}
};
let reader = BufReader::new(file_handler);
let mut hashmap_loaded_entries: BTreeMap<String, FileEntry> = Default::default();
// Read the file line by line using the lines() iterator from std::io::BufRead.
for (index, line) in reader.lines().enumerate() {
let line = match line {
Ok(t) => t,
Err(e) => {
text_messages.warnings.push(format!("Failed to load line number {} from cache file {}, reason {}", index + 1, cache_file.display(), e));
return None;
}
};
let uuu = line.split("//").collect::<Vec<&str>>();
let hash_size = 19;
// Hash size + other things
if uuu.len() != (hash_size + 5) {
text_messages.warnings.push(format!(
"Found invalid data in line {} - ({}) in cache file {}, expected {} values, found {}",
index + 1,
line,
cache_file.display(),
hash_size + 5,
uuu.len(),
));
continue;
};
// Don't load cache data if destination file not exists
if Path::new(uuu[0]).exists() {
let mut hash: [u64; 19] = [0; 19];
for i in 0..hash_size {
hash[i] = match uuu[5 + i as usize].parse::<u64>() {
Ok(t) => t,
Err(e) => {
text_messages
.warnings
.push(format!("Found invalid hash value in line {} - ({}) in cache file {}, reason {}", index + 1, line, cache_file.display(), e));
continue;
}
};
}
hashmap_loaded_entries.insert(
uuu[0].to_string(),
FileEntry {
path: PathBuf::from(uuu[0]),
size: match uuu[1].parse::<u64>() {
Ok(t) => t,
Err(e) => {
text_messages
.warnings
.push(format!("Found invalid size value in line {} - ({}) in cache file {}, reason {}", index + 1, line, cache_file.display(), e));
continue;
}
},
modified_date: match uuu[2].parse::<u64>() {
Ok(t) => t,
Err(e) => {
text_messages
.warnings
.push(format!("Found invalid modified date value in line {} - ({}) in cache file {}, reason {}", index + 1, line, cache_file.display(), e));
continue;
}
},
vhash: VideoHash::with_start_data(uuu[4].parse::<u32>().unwrap_or(0), uuu[0], hash, uuu[3].parse::<u32>().unwrap_or(10)),
},
);
}
}
return Some(hashmap_loaded_entries);
}
text_messages.messages.push("Cannot find or open system config dir to save cache file".to_string());
None
}
pub fn check_if_ffmpeg_is_installed() -> bool {
let vid = "999999999999999999.txt";
if let Err(DetermineVideo { src_path: _a, error: FfmpegNotFound }) = VideoHash::from_path(&vid) {
return false;
}
true
}