240 lines
7.2 KiB
C++
240 lines
7.2 KiB
C++
#include <boost/algorithm/string/classification.hpp>
|
|
#include <boost/algorithm/string/split.hpp>
|
|
#include <boost/algorithm/string/trim.hpp>
|
|
#include <filesystem>
|
|
#include <fstream>
|
|
#include <iostream>
|
|
#include <ostream>
|
|
#include <sstream>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
struct Subtitle {
|
|
std::string layer;
|
|
std::string startTime;
|
|
std::string endTime;
|
|
std::string style;
|
|
std::string name;
|
|
std::string marginL;
|
|
std::string marginR;
|
|
std::string marginV;
|
|
std::string effect;
|
|
std::string text;
|
|
std::string originalLine;
|
|
bool isDialogue;
|
|
};
|
|
|
|
std::size_t findNthCharacter(const std::string &str, char character, int n) {
|
|
std::size_t pos = -1;
|
|
for (int i = 0; i < n; ++i) {
|
|
pos = str.find(character, pos + 1);
|
|
if (pos == std::string::npos) {
|
|
return std::string::npos;
|
|
}
|
|
}
|
|
return pos;
|
|
}
|
|
|
|
/**
|
|
* @brief 将时间字符串转换为毫秒
|
|
*
|
|
* @param timeStr
|
|
* @return int
|
|
*/
|
|
int timeToMilliseconds(const std::string &timeStr) {
|
|
int hours, minutes, seconds, hundredths;
|
|
char colon, dot;
|
|
|
|
std::istringstream iss(timeStr);
|
|
iss >> hours >> colon >> minutes >> colon >> seconds >> dot >> hundredths;
|
|
|
|
return (hours * 3600 + minutes * 60 + seconds) * 1000 + hundredths * 10;
|
|
}
|
|
|
|
/**
|
|
* @brief 将毫秒转换为时间字符串
|
|
*
|
|
* @param ms
|
|
* @return std::string
|
|
*/
|
|
std::string millisecondsToTime(int ms) {
|
|
if (ms < 0) ms = 0;
|
|
|
|
int totalSeconds = ms / 1000;
|
|
int hundredths = (ms % 1000) / 10;
|
|
int hours = totalSeconds / 3600;
|
|
int minutes = (totalSeconds % 3600) / 60;
|
|
int seconds = totalSeconds % 60;
|
|
|
|
std::ostringstream oss;
|
|
oss << hours << ":" << (minutes < 10 ? "0" : "") << minutes << ":" << (seconds < 10 ? "0" : "") << seconds << "."
|
|
<< (hundredths < 10 ? "0" : "") << hundredths;
|
|
|
|
return oss.str();
|
|
}
|
|
|
|
/**
|
|
* @brief 偏移单个字幕的时间
|
|
*
|
|
* @param sub
|
|
* @param offsetMs
|
|
* @return Subtitle
|
|
*/
|
|
Subtitle shiftSubtitle(const Subtitle &sub, int offsetMs) {
|
|
if (!sub.isDialogue) {
|
|
return sub;
|
|
}
|
|
|
|
Subtitle shifted = sub;
|
|
|
|
// 转换开始时间并偏移
|
|
int startMs = timeToMilliseconds(sub.startTime);
|
|
startMs += offsetMs;
|
|
shifted.startTime = millisecondsToTime(startMs);
|
|
|
|
// 转换结束时间并偏移
|
|
int endMs = timeToMilliseconds(sub.endTime);
|
|
endMs += offsetMs;
|
|
shifted.endTime = millisecondsToTime(endMs);
|
|
|
|
// 重新构建行
|
|
std::ostringstream oss;
|
|
oss << "Dialogue: " << shifted.layer << "," << shifted.startTime << "," << shifted.endTime << "," << shifted.style
|
|
<< "," << shifted.name << "," << shifted.marginL << "," << shifted.marginR << "," << shifted.marginV << ","
|
|
<< shifted.effect << "," << shifted.text;
|
|
|
|
shifted.originalLine = oss.str();
|
|
|
|
return shifted;
|
|
}
|
|
|
|
Subtitle parseLine(const std::string &line) {
|
|
constexpr std::string_view dialogue = "Dialogue:";
|
|
Subtitle sub;
|
|
sub.originalLine = line;
|
|
sub.isDialogue = false;
|
|
|
|
// 检查是否是Dialogue行
|
|
|
|
if (line.find(dialogue) == 0) {
|
|
sub.isDialogue = true;
|
|
|
|
std::size_t textStart = findNthCharacter(line, ',', 9);
|
|
if ((textStart != std::string::npos) && (textStart < line.length())) {
|
|
sub.text = line.substr(textStart + 1);
|
|
|
|
std::string attr = line.substr(dialogue.length(), textStart - dialogue.length());
|
|
boost::algorithm::trim(attr);
|
|
|
|
std::vector<std::string> splits;
|
|
boost::algorithm::split(splits, attr, boost::is_any_of(","), boost::algorithm::token_compress_off);
|
|
sub.layer = splits[0];
|
|
sub.startTime = splits[1];
|
|
sub.endTime = splits[2];
|
|
sub.style = splits[3];
|
|
sub.name = splits[4];
|
|
sub.marginL = splits[5];
|
|
sub.marginR = splits[6];
|
|
sub.marginV = splits[7];
|
|
sub.effect = splits[8];
|
|
}
|
|
}
|
|
|
|
return sub;
|
|
}
|
|
|
|
std::string generateTargetFilename(const std::string &filename, const std::string &prefix, const std::string &suffix) {
|
|
auto start = filename.find(prefix);
|
|
auto end = filename.find(suffix);
|
|
return filename.substr(start + prefix.length(), end - (start + prefix.length()));
|
|
}
|
|
|
|
bool processASSFile(const std::filesystem::path &inputPath, std::filesystem::path &outputPath, int offsetMs) {
|
|
std::ifstream ifs(inputPath);
|
|
std::ofstream ofs(outputPath);
|
|
|
|
if (!ifs.is_open()) {
|
|
std::cerr << "无法打开输入文件: " << inputPath << std::endl;
|
|
return false;
|
|
}
|
|
|
|
if (!ofs.is_open()) {
|
|
std::cerr << "无法创建输出文件: " << outputPath << std::endl;
|
|
return false;
|
|
}
|
|
std::string line;
|
|
|
|
while (std::getline(ifs, line)) {
|
|
Subtitle sub = parseLine(line);
|
|
if (sub.isDialogue) {
|
|
Subtitle shifted = shiftSubtitle(sub, offsetMs);
|
|
ofs << shifted.originalLine << std::endl;
|
|
} else {
|
|
ofs << line << std::endl;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void processDirectory(const std::filesystem::path &source, const std::filesystem::path &target, int offsetMs) {
|
|
if (!std::filesystem::exists(source)) {
|
|
std::cerr << "错误: 源目录不存在: " << source << std::endl;
|
|
return;
|
|
}
|
|
|
|
if (!std::filesystem::exists(target)) {
|
|
std::cout << "创建目标目录: " << target << std::endl;
|
|
if (!std::filesystem::create_directories(target)) {
|
|
std::cerr << "错误: 无法创建目标目录: " << target << std::endl;
|
|
return;
|
|
}
|
|
}
|
|
|
|
std::vector<std::filesystem::path> assFiles;
|
|
try {
|
|
for (const auto &entry : std::filesystem::directory_iterator(source)) {
|
|
if (entry.is_regular_file() && entry.path().extension() == ".ass") {
|
|
assFiles.push_back(entry.path());
|
|
}
|
|
}
|
|
} catch (const std::filesystem::filesystem_error &ex) {
|
|
std::cerr << "文件系统错误: " << ex.what() << std::endl;
|
|
return;
|
|
}
|
|
|
|
if (assFiles.empty()) {
|
|
std::cout << "在目录 " << source << " 中未找到.ass文件" << std::endl;
|
|
return;
|
|
}
|
|
|
|
std::cout << "找到 " << assFiles.size() << " 个.ass文件" << std::endl;
|
|
|
|
for (const auto &sourceFile : assFiles) {
|
|
|
|
// 生成目标文件名
|
|
std::string targetFilename = generateTargetFilename(
|
|
sourceFile.filename().string(), "MONSTER.TV.2004.DVDRip-Hi.x264.AC3.1280.EP", "-nezumi.zh_CN");
|
|
|
|
// 确保文件扩展名为.ass
|
|
if (std::filesystem::path(targetFilename).extension() != ".ass") {
|
|
targetFilename += ".ass";
|
|
}
|
|
|
|
std::filesystem::path targetFile = target / targetFilename;
|
|
// std::cout << sourceFile << " --> " << targetFile << std::endl;
|
|
|
|
// 处理文件
|
|
processASSFile(sourceFile, targetFile, offsetMs);
|
|
}
|
|
}
|
|
|
|
// 1. 找出指定目录下后缀为 `.ass` 下的文件
|
|
// 2. 如果目标文件夹不存在，则创建目标文件夹
|
|
// 3. 对每个源文件，提取文件名，然后按照模板提出字串，和目标文件夹拼凑成新的目标文件
|
|
int main(int argc, char const *argv[]) {
|
|
processDirectory("/mnt/e/Downloads/[X2] MONSTER 2004 [Chs Subtitle]",
|
|
"/mnt/e/Downloads/[X2] MONSTER 2004 [Chs Subtitle]/output",700);
|
|
}
|
|
|