Added Video framerate limiter

Will fix cinematics and videos when readed over their framerate

src/video_core/host1x/codecs/codec.cpp

@@ -278,14 +278,32 @@ void Codec::Decode() {
     }
 }
 
+std::chrono::steady_clock::time_point last_frame_time = std::chrono::steady_clock::now();
+std::chrono::microseconds min_call_interval = std::chrono::microseconds(1000/Settings::values.video_framerate.GetValue()*1000);
 AVFramePtr Codec::GetCurrentFrame() {
     // Sometimes VIC will request more frames than have been decoded.
     // in this case, return a nullptr and don't overwrite previous frame data
     if (av_frames.empty()) {
         return AVFramePtr{nullptr, AVFrameDeleter};
     }
+
     AVFramePtr frame = std::move(av_frames.front());
     av_frames.pop();
+
+    if (Settings::values.use_video_framerate.GetValue()) {
+        std::chrono::steady_clock::time_point now = std::chrono::steady_clock::now();
+        std::chrono::microseconds elapsed =
+            std::chrono::duration_cast<std::chrono::microseconds>(now - last_frame_time);
+
+        if (elapsed < min_call_interval) {
+            std::this_thread::sleep_for(min_call_interval - elapsed);
+            now = std::chrono::steady_clock::now();
+            elapsed = std::chrono::duration_cast<std::chrono::microseconds>(now - last_frame_time);
+        }
+
+        last_frame_time = now;
+    }
+
     return frame;
 }