refactor video surface conversion slightly

src/frame_streams/sdl/video_push_converter.hpp

@@ -5,7 +5,7 @@
 
 #include <cassert>
 
-#include <chrono> // meh
+//#include <chrono> // meh
 #include <iostream> // meh
 
 template<typename RealStream>
@@ -20,7 +20,11 @@ struct PushConversionVideoStream : public RealStream {
 	bool push(const SDLVideoFrame& value) override {
 		assert(value.surface);
 		SDL_Surface* surf = value.surface.get();
-		if (surf->format != _forced_format) {
+
+		if (surf->format == _forced_format) {
+			return RealStream::push(value);
+		}
+
 		//std::cerr << "PCVS: need to convert from " << SDL_GetPixelFormatName(surf->format) << " to " << SDL_GetPixelFormatName(_forced_format) << "\n";
 		//const auto start = std::chrono::steady_clock::now();
 		if ((surf = SDL_ConvertSurface(surf, _forced_format)) == nullptr) {
@@ -63,9 +67,6 @@ struct PushConversionVideoStream : public RealStream {
 		};
 
 		return RealStream::push(std::move(new_value));
-		} else {
-			return RealStream::push(value);
-		}
 	}
 };