well, working now. I think.

util/output/bmpwriter.hpp

@@ -150,6 +150,7 @@ public:
         } else if (frame.colorFormat == frame::colormap::RGBA) {
             std::cout << "found incorrect colormap. converting from RGBA" << std::endl;
             std::vector<uint8_t> fdata = convertRGBAtoRGB(frame.getData());
+            std::cout << "source data: " << frame.getData().size() << " out data: " << fdata.size() << std::endl;
             return saveBMP(filename, fdata, frame.getWidth(), frame.getHeight());
         }
         else {

util/output/frame.hpp

@@ -76,7 +76,7 @@ public:
         _compressedData.shrink_to_fit();
         overheadmap.clear();
         sourceSize = data.size();
-        
+        std::cout << "wrote " << data.size() << " as frame" << std::endl;
     }
 
     const std::vector<uint8_t>& getData() const {