diff --git a/src/config_files/output_options.yaml b/src/config_files/output_options.yaml
index 659e4119..7c658b46 100644
--- a/src/config_files/output_options.yaml
+++ b/src/config_files/output_options.yaml
@@ -15,11 +15,10 @@ dandere2x_cpp:
   evaluator_arg: "mse"
 
 ffmpeg:
-  pre_process_video:
-    -hwaccel: auto
+  convert_video_to_frames:
     output_options:
       -vf:
-        - " null"
+        - 'null'
 
   convert_video_to_gif:
     output_options:
diff --git a/src/dandere2x/dandere2x_service/__init__.py b/src/dandere2x/dandere2x_service/__init__.py
index 8135a70c..df2a30fa 100644
--- a/src/dandere2x/dandere2x_service/__init__.py
+++ b/src/dandere2x/dandere2x_service/__init__.py
@@ -19,7 +19,7 @@
 from dandere2x.dandere2x_service.core.waifu2x.realsr_ncnn_vulkan import RealSRNCNNVulkan
 from dandere2x.dandere2x_service.dandere2x_service_context import Dandere2xServiceContext
 from dandere2x.dandere2x_service.dandere2x_service_controller import Dandere2xController
-from dandere2x.dandere2xlib.utils.dandere2x_utils import file_exists
+from dandere2x.dandere2xlib.utils.dandere2x_utils import file_exists, wait_on_file
 from dandere2x.dandere2xlib.wrappers.ffmpeg.progressive_noise_adder import ProgressiveNoiseAdder
 
 
@@ -131,6 +131,7 @@ def __upscale_first_frame(self):
 
         # measure the time to upscale a single frame for printing purposes
         one_frame_time = time.time()
+        wait_on_file(self.context.input_frames_dir + "frame" + str(1) + ".png")
         self.waifu2x.upscale_file(
             input_image=self.context.input_frames_dir + "frame" + str(1) + ".png",
             output_image=self.context.merged_dir + "merged_" + str(1) + ".png")
diff --git a/src/dandere2x/dandere2xlib/utils/yaml_utils.py b/src/dandere2x/dandere2xlib/utils/yaml_utils.py
index da6ad4c5..8adbb235 100644
--- a/src/dandere2x/dandere2xlib/utils/yaml_utils.py
+++ b/src/dandere2x/dandere2xlib/utils/yaml_utils.py
@@ -52,6 +52,7 @@ def resource_path():
     else:
         return Path(os.path.dirname(os.path.abspath(sys.executable)))
 
+
 def load_executable_paths_yaml() -> dict:
     """
     Load the dandere2x_directories yaml file, but replace all the relative path definitions with absolute
diff --git a/src/dandere2x/dandere2xlib/wrappers/ffmpeg/progressive_frame_extractor/__init__.py b/src/dandere2x/dandere2xlib/wrappers/ffmpeg/progressive_frame_extractor/__init__.py
index 2b11a15d..518e993e 100644
--- a/src/dandere2x/dandere2xlib/wrappers/ffmpeg/progressive_frame_extractor/__init__.py
+++ b/src/dandere2x/dandere2xlib/wrappers/ffmpeg/progressive_frame_extractor/__init__.py
@@ -33,8 +33,7 @@ def __init__(self,
         self.compressed_quality = compressed_quality
 
         width, height = get_width_height(ffprobe_dir=ffprobe_path, input_video=input_video)
-        self.cap = FFMpegVideoFrameExtractor(Path(ffmpeg_path), Path(input_video), width, height, block_size,
-                                             output_options_original)
+        self.cap = FFMpegVideoFrameExtractor(Path(ffmpeg_path), Path(input_video), width, height, block_size, output_options_original)
 
         self.ffmpeg_path = load_executable_paths_yaml()['ffmpeg']
 
diff --git a/src/dandere2x/dandere2xlib/wrappers/ffmpeg/progressive_frame_extractor/_ffmpeg_video_frame_extractor.py b/src/dandere2x/dandere2xlib/wrappers/ffmpeg/progressive_frame_extractor/_ffmpeg_video_frame_extractor.py
index 7ae5e4c7..a329cbda 100644
--- a/src/dandere2x/dandere2xlib/wrappers/ffmpeg/progressive_frame_extractor/_ffmpeg_video_frame_extractor.py
+++ b/src/dandere2x/dandere2xlib/wrappers/ffmpeg/progressive_frame_extractor/_ffmpeg_video_frame_extractor.py
@@ -140,8 +140,7 @@ def __init__(self, ffmpeg_binary: Path, input_video: Path, width: int, height: i
                                                      block_size=block_size,
                                                      output_options_original=output_options_original)
 
-        print("pre output options")
-        options = get_options_from_section(fixed_resolution["ffmpeg"]["pre_process_video"]['output_options'],
+        options = get_options_from_section(fixed_resolution["ffmpeg"]["convert_video_to_frames"]['output_options'],
                                            ffmpeg_command=True)
         for item in options:
             extraction_args.append(item)
@@ -149,7 +148,6 @@ def __init__(self, ffmpeg_binary: Path, input_video: Path, width: int, height: i
         extraction_args.extend(["-c:v", "rawvideo", "-f", "rawvideo",
                                 "-pix_fmt", "rgb24", "-an", "-"])
 
-        pprint(extraction_args)
         self.ffmpeg = subprocess.Popen(extraction_args, stdout=subprocess.PIPE)
 
     @property