try: Improvements from WWDC 2021 1:1 workshop (#197)

* perf: Automatically determine Pixel Format depending on active format. (More efficient video recording 🚀)
* perf: Skip `AVAssetWriter` transform by directly correctly orienting the Video Output connection
* feat: Support camera flipping while recording
* feat: Run frame processor on separate queue, avoids stutters in video recordigns
* feat: Automatically drop late frame processor frames

ios/Frame Processor/FrameProcessorUtils.mm

@@ -16,10 +16,7 @@ FrameProcessorCallback convertJSIFunctionToFrameProcessorCallback(jsi::Runtime &
   __block auto cb = value.getFunction(runtime);
 
   return ^(Frame* frame) {
-#if DEBUG
-    std::chrono::steady_clock::time_point begin = std::chrono::steady_clock::now();
-#endif
-
+    
     auto frameHostObject = std::make_shared<FrameHostObject>(frame);
     try {
       cb.call(runtime, jsi::Object::createFromHostObject(runtime, frameHostObject));
@@ -27,14 +24,6 @@ FrameProcessorCallback convertJSIFunctionToFrameProcessorCallback(jsi::Runtime &
       NSLog(@"Frame Processor threw an error: %s", jsError.getMessage().c_str());
     }
 
-#if DEBUG
-    std::chrono::steady_clock::time_point end = std::chrono::steady_clock::now();
-    auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(end - begin).count();
-    if (duration > 100) {
-      NSLog(@"Warning: Frame Processor function took %lld ms to execute. This blocks the video queue from recording, optimize your frame processor!", duration);
-    }
-#endif
-
     // Manually free the buffer because:
     //  1. we are sure we don't need it anymore, the frame processor worklet has finished executing.
     //  2. we don't know when the JS runtime garbage collects this object, it might be holding it for a few more frames