Fixes:

 - Fix Visual Studio Compilation by using Unicode & WXDLL.
 - Made SRT Time to always round down.
   - Though I feel like someone will bring it up again, which I'd be like *Shrug*

CMakeLists.txt

@@ -267,6 +267,7 @@ elseif(WIN32)
         libaegisub/windows/path_win.cpp
         libaegisub/windows/util_win.cpp
     )
+    target_compile_definitions(libaegisub PRIVATE -D_UNICODE -DUNICODE)
 endif()
 set_target_properties(libaegisub PROPERTIES PREFIX "")
 target_compile_definitions(libaegisub PRIVATE CMAKE_BUILD)
@@ -474,6 +475,7 @@ if(WIN32)
     else()
         target_include_directories(Aegisub PRIVATE "build")
     endif()
+    target_compile_definitions(Aegisub PRIVATE -D_UNICODE -DUNICODE -DWXUSINGDLL)
 else()
     add_custom_target(git_version build/version.sh .
         BYPRODUCTS "${PROJECT_SOURCE_DIR}/build/git_version.h" "${PROJECT_SOURCE_DIR}/build/git_version.xml"

libaegisub/ass/time.cpp

@@ -90,6 +90,12 @@ std::string Time::GetSrtFormatted() const {
 	return ret;
 }
 
+void Time::RoundTime() {
+	float floatTime = (float)this->time / 10.0f;
+
+	time = floor(floatTime - 0.5) * 10;
+}
+
 SmpteFormatter::SmpteFormatter(vfr::Framerate fps, char sep)
 : fps(std::move(fps))
 , sep(sep)

libaegisub/include/libaegisub/ass/time.h

@@ -40,5 +40,8 @@ class Time {
 
 	/// Return the time as a string
 	std::string GetSrtFormatted() const;
+
+	/// Rounds the time up to the nearest tenths, for compatibility with SRT.
+	void RoundTime();
 };
 }

src/subtitle_format_srt.cpp

@@ -409,8 +409,12 @@ void SRTSubtitleFormat::ReadFile(AssFile *target, agi::fs::path const& filename,
 
 			// create new subtitle
 			line = new AssDialogue;
-			line->Start = timestamp_match.str(1);
-			line->End = timestamp_match.str(2);
+			agi::Time startTime = agi::Time(timestamp_match.str(1));
+			startTime.RoundTime();
+			agi::Time endTime = agi::Time(timestamp_match.str(2));
+			endTime.RoundTime();
+			line->Start = startTime;
+			line->End = endTime;
 			// store pointer to subtitle, we'll continue working on it
 			target->Events.push_back(*line);
 			// next we're reading the text