Sync subtitles: Difference between revisions

=={{header|C++}}==

{{trans|FreeBASIC}}

<syntaxhighlight lang="cpp">#include <iostream>

#include <fstream>

#include <sstream>

#include <iomanip>

#include <ctime>

using namespace std;

string addSeconds(string timeStr, int secs) {

int hours, minutes, seconds, milliseconds;

sscanf(timeStr.c_str(), "%d:%d:%d,%d", &hours, &minutes, &seconds, &milliseconds);

int total_seconds = hours * 3600 + minutes * 60 + seconds + secs;

hours = total_seconds / 3600;

total_seconds %= 3600;

minutes = total_seconds / 60;

seconds = total_seconds % 60;

char buffer[13];

sprintf(buffer, "%02d:%02d:%02d,%03d", hours, minutes, seconds, milliseconds);

return string(buffer);

}

void syncSubtitles(string fileIn, string fileOut, int secs) {

ifstream fin(fileIn);

ofstream fout(fileOut);

string line;

while (getline(fin, line)) {

if (line.find("-->") != string::npos) {

string start = line.substr(0, 12);

string end = line.substr(17, 12);

start = addSeconds(start, secs);

end = addSeconds(end, secs);

fout << start << " --> " << end << "\n";

} else {

fout << line << "\n";

}

}

fin.close();

fout.close();

}

int main() {

cout << "After fast-forwarding 9 seconds:\n\n";

syncSubtitles("movie.srt", "movie_corrected.srt", 9);

ifstream f("movie_corrected.srt");

string line;

while (getline(f, line)) {

cout << line << "\n";

}

f.close();

cout << "\n\nAfter rolling-back 9 seconds:\n\n";

syncSubtitles("movie.srt", "movie_corrected2.srt", -9);

ifstream f2("movie_corrected2.srt");

while (getline(f2, line)) {

cout << line << "\n";

}

f2.close();

return 0;

}</syntaxhighlight>

{{out}}

<pre>Same as FreeBASIC entry.</pre>