BEHOLD! Feature test macros!

vapoursynth · May 27, 2024 · ff911fa · ff911fa
1 parent 264513e
commit ff911fa
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/videosource.cpp b/src/videosource.cpp
@@ -1659,9 +1659,14 @@ void BestVideoSource::WriteTimecodes(const std::filesystem::path &TimecodeFile)
 
     fprintf(F.get(), "# timecode format v2\n");
     for (const auto &Iter : TrackIndex.Frames) {
+        double timestamp = (Iter.PTS * VP.TimeBase.Num) / (double)VP.TimeBase.Den;
+#ifdef __cpp_lib_to_chars
         char buffer[100];
-        auto res = std::to_chars(buffer, buffer + sizeof(buffer), (Iter.PTS * VP.TimeBase.Num) / (double)VP.TimeBase.Den, std::chars_format::fixed, 2);
+        auto res = std::to_chars(buffer, buffer + sizeof(buffer), timestamp, std::chars_format::fixed, 2);
         fprintf(F.get(), "%s\n", std::string(buffer, res.ptr - buffer).c_str());
+#else
+        fprintf(F.get(), "%.02f\n", timestamp);
+#endif
     }
 }