diff --git a/src/content/sdl_video_frame_stream2.cpp b/src/content/sdl_video_frame_stream2.cpp
index b127064..d7c82f7 100644
--- a/src/content/sdl_video_frame_stream2.cpp
+++ b/src/content/sdl_video_frame_stream2.cpp
@@ -1,5 +1,4 @@
 #include "./sdl_video_frame_stream2.hpp"
-#include "SDL3/SDL_pixels.h"
 
 #include <chrono>
 #include <cstdint>
@@ -41,9 +40,12 @@ SDLVideoCameraContent::SDLVideoCameraContent(void) {
 	{
 		SDL_CameraSpec spec {
 			// FORCE a diffrent pixel format
-			SDL_PIXELFORMAT_RGBA8888,
-			//SDL_COLORSPACE_SRGB,
-			SDL_COLORSPACE_UNKNOWN,
+			//SDL_PIXELFORMAT_RGBA8888,
+			//SDL_PIXELFORMAT_UNKNOWN,
+			SDL_PIXELFORMAT_IYUV,
+
+			SDL_COLORSPACE_SRGB,
+			//SDL_COLORSPACE_UNKNOWN,
 
 			//1280, 720,
 			//640, 360,
diff --git a/src/content/sdl_video_frame_stream2.hpp b/src/content/sdl_video_frame_stream2.hpp
index e28100b..c36ff0d 100644
--- a/src/content/sdl_video_frame_stream2.hpp
+++ b/src/content/sdl_video_frame_stream2.hpp
@@ -28,11 +28,12 @@ struct SDLVideoFrame {
 	SDLVideoFrame(const SDLVideoFrame& other) {
 		timestampNS = other.timestampNS;
 		if (static_cast<bool>(other.surface)) {
+			// TODO: use SDL_DuplicateSurface()
 			surface = {
 				SDL_CreateSurface(
 					other.surface->w,
 					other.surface->h,
-					SDL_PIXELFORMAT_RGBA8888 // meh
+					other.surface->format
 				),
 				&SDL_DestroySurface
 			};
diff --git a/src/main.cpp b/src/main.cpp
index 0cc58b8..0036d1d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -84,7 +84,7 @@ int main(int argc, char** argv) {
 
 		auto writer = SDLAudioOutputDeviceDefaultFactory{}.create();
 
-		for (size_t i = 0; i < 20; i++) {
+		for (size_t i = 0; i < 100; i++) {
 			std::this_thread::sleep_for(std::chrono::milliseconds(10));
 			auto new_frame_opt = reader->pop();
 			if (new_frame_opt.has_value()) {
@@ -108,7 +108,7 @@ int main(int argc, char** argv) {
 			std::this_thread::sleep_for(std::chrono::milliseconds(50));
 			auto new_frame_opt = reader->pop();
 			if (new_frame_opt.has_value()) {
-				std::cout << "video frame was " << new_frame_opt.value().surface->w << "x" << new_frame_opt.value().surface->h << " " << new_frame_opt.value().timestampNS << "ns\n";
+				std::cout << "video frame was " << new_frame_opt.value().surface->w << "x" << new_frame_opt.value().surface->h << " " << new_frame_opt.value().timestampNS << "ns " << new_frame_opt.value().surface->format << "sf\n";
 			}
 		}
 		vcc.releaseSubStream(reader);
@@ -119,6 +119,7 @@ int main(int argc, char** argv) {
 	ImGui::CreateContext();
 
 	// TODO: test android behaviour
+	// -> its too big, dpi does not take eye-screen-distance into account
 	float display_scale = SDL_GetWindowDisplayScale(window.get());
 	if (display_scale < 0.001f) {
 		// error?