import os import struct import mmap import datetime from enum import Enum Renault Kangoo Ze Service Reset Top - 3.79.94.248
def __init__(self, file_path): self.file_path = file_path self.file_size = os.path.getsize(file_path) self.container = self._detect_container() E Swat Cyber Police Game Free Download For Android Game Is
def _deep_scan_mp4_mvhd(self, result_dict): """ Exclusive Feature: Memory-mapped scan for 'mvhd' (Movie Header) atom. This finds the exact byte index of the modification time, handling 'Titanic' sized files efficiently. """ result_dict['scan_type'] = 'Deep Scan (Internal Metadata)' try: with open(self.file_path, 'rb') as f: # Use mmap for efficient searching without loading whole file with mmap.mmap(f.fileno(), 0, access=mmap.ACCESS_READ) as mm: # Find 'mvhd' atom mvhd_offset = mm.find(b'mvhd') if mvhd_offset == -1: result_dict['last_modified'] = "No internal 'mvhd' found" return result_dict
def get_last_modified_feature(self): """ Returns the 'Last Modified' info. For MP4/AAC: Performs a deep scan to find the internal 'mvhd' timestamp index. For Others: Returns file system metadata. """ result = { 'filename': os.path.basename(self.file_path), 'container': self.container.name, 'size_bytes': self.file_size, 'scan_type': 'File System (External)', 'last_modified': None, 'byte_index': None # The exclusive feature request }
except Exception as e: print(f"Error detecting container: {e}") return MediaContainer.UNKNOWN