diff --git a/Dockerfile b/Dockerfile
index ce0d7ba..bca6aa6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,10 +10,12 @@ WORKDIR /app
 ADD requirements.txt /app/requirements.txt
 RUN pip install -r requirements.txt
 RUN python3 -m spacy download en_core_web_sm
-ADD . /app
 
 # tricks for pytube : https://github.com/elebumm/RedditVideoMakerBot/issues/142 
 # (NOTE : This is no longer useful since pytube was removed from the dependencies)
 # RUN sed -i 's/re.compile(r"^\\w+\\W")/re.compile(r"^\\$*\\w+\\W")/' /usr/local/lib/python3.8/dist-packages/pytube/cipher.py
 RUN echo ZmluZCAvIC1wYXRoICcqL21vdmllcHkvdG9vbHMucHknIC1wcmludDAgfCB3aGlsZSByZWFkIC1kICQnXDAnIGZpbGU7IGRvCiAgc2VkIC1pIC1lICdzLyciJyInTW92aWVweSAtIFJ1bm5pbmc6XFxuPj4+ICIrICIgIi5qb2luKGNtZCknIiciJy8iTW92aWVweSAtIFJ1bm5pbmc6XFxuPj4+ICIgKyAiICIuam9pbihjbWQpL2cnICIkZmlsZSIKZG9uZQ== | base64 --decode | bash
+
+ADD . /app
+
 CMD ["python3", "main.py"]
diff --git a/utils/ffmpeg.py b/utils/ffmpeg.py
index 60d1b80..ccba26d 100644
--- a/utils/ffmpeg.py
+++ b/utils/ffmpeg.py
@@ -1,56 +1,57 @@
 import ffmpeg
 from pydub import AudioSegment
-# from moviepy.editor import VideoFileClip, AudioFileClip
+from moviepy.editor import VideoFileClip, AudioFileClip
 # from tqdm import tqdm
 from rich.progress import Progress, BarColumn, TextColumn, TaskProgressColumn, TimeRemainingColumn
 
 from utils.ffmpeg_progress import ProgressFfmpeg
 
-def get_duration(filename):
-    # ffmpeg_cmd = ffmpeg.input(filename).output('/dev/null', f="null", progress='/dev/stdout')
-    # ffmpeg_stdout, ffmpeg_stderr = ffmpeg_cmd.run(capture_stdout=True, capture_stderr=True)
-    # stdout=ffmpeg_stdout.decode('UTF-8')
-    # stdout_lines=stdout.splitlines()
-    # for line in reversed(stdout_lines):
-    #     if "out_time_ms" in line:
-    #         out_time_ms_str = line.split("=")[1].strip()
-    #         if out_time_ms_str.isnumeric():
-    #             duration=float(out_time_ms_str) / 1000000.0
-    #             # print(f"Returning duration {duration} from ffmpeg null muxer out_time_ms for {filename}...")
-    #             return duration
-    # stderr=ffmpeg_stderr.decode('UTF-8')
-    # stderr_lines=stderr.splitlines()
-    # stream_durations=[]
-    # for line in reversed(stderr_lines):
-    #     if "Duration:" in line:
-    #         timestamp = line.split("Duration:")[1].strip().split(',')[0].strip()
-    #         h, m, s_ms = timestamp.split(':')
-    #         s, ms = s_ms.split('.')
-    #         stream_durations.append(int(h) * 3600 + int(m) * 60 + int(s) + float(f".{ms}"))
-    # if len(stream_durations) > 0:
-    #     duration=max(stream_durations) # sum?
-    #     # print(f"Returning duration {duration} from ffmpeg null muxer stream duration for {filename}...")
-    #     return duration
-    # if filename.lower().endswith('.mp3'):
-    #     try:
-    #         duration=float(AudioSegment.from_mp3(filename).duration_seconds)
-    #         # print(f"Returning duration {duration} from AudioSegment for {filename}...")
-    #         return duration
-    #     except:
-    #         pass
-    #     try:
-    #         duration=float(AudioFileClip(filename).duration)
-    #         # print(f"Returning duration {duration} from AudioFileClip for {filename}...")
-    #         return duration
-    #     except:
-    #         pass
-    # if filename.lower().endswith('.mp4'):
-    #     try:
-    #         duration=float(VideoFileClip(filename).duration)
-    #         # print(f"Returning duration {duration} from VideoFileClip for {filename}...")
-    #         return duration
-    #     except:
-    #         pass
+def get_duration(filename, skip_accurate_decode=False):
+    if not skip_accurate_decode:
+        ffmpeg_cmd = ffmpeg.input(filename).output('/dev/null', f="null", progress='/dev/stdout')
+        ffmpeg_stdout, ffmpeg_stderr = ffmpeg_cmd.run(capture_stdout=True, capture_stderr=True)
+        stdout=ffmpeg_stdout.decode('UTF-8')
+        stdout_lines=stdout.splitlines()
+        for line in reversed(stdout_lines):
+            if "out_time_ms" in line:
+                out_time_ms_str = line.split("=")[1].strip()
+                if out_time_ms_str.isnumeric():
+                    duration=float(out_time_ms_str) / 1000000.0
+                    # print(f"Returning duration {duration} from ffmpeg null muxer out_time_ms for {filename}...")
+                    return duration
+        stderr=ffmpeg_stderr.decode('UTF-8')
+        stderr_lines=stderr.splitlines()
+        stream_durations=[]
+        for line in reversed(stderr_lines):
+            if "Duration:" in line:
+                timestamp = line.split("Duration:")[1].strip().split(',')[0].strip()
+                h, m, s_ms = timestamp.split(':')
+                s, ms = s_ms.split('.')
+                stream_durations.append(int(h) * 3600 + int(m) * 60 + int(s) + float(f".{ms}"))
+        if len(stream_durations) > 0:
+            duration=max(stream_durations) # sum?
+            # print(f"Returning duration {duration} from ffmpeg null muxer stream duration for {filename}...")
+            return duration
+    if filename.lower().endswith('.mp3'):
+        try:
+            duration=float(AudioSegment.from_mp3(filename).duration_seconds)
+            # print(f"Returning duration {duration} from AudioSegment for {filename}...")
+            return duration
+        except:
+            pass
+        try:
+            duration=float(AudioFileClip(filename).duration)
+            # print(f"Returning duration {duration} from AudioFileClip for {filename}...")
+            return duration
+        except:
+            pass
+    if filename.lower().endswith('.mp4'):
+        try:
+            duration=float(VideoFileClip(filename).duration)
+            # print(f"Returning duration {duration} from VideoFileClip for {filename}...")
+            return duration
+        except:
+            pass
     probe_info=ffmpeg.probe(filename)
     duration=float(probe_info["format"]["duration"])
     # print(f"Returning duration {duration} from ffprobe for {filename}...")
diff --git a/video_creation/background.py b/video_creation/background.py
index e1e93e4..2f6ebfd 100644
--- a/video_creation/background.py
+++ b/video_creation/background.py
@@ -166,13 +166,11 @@ def chop_background(background_config: Dict[str, Tuple], video_length: int, redd
         # background_audio.write_audiofile(f"assets/temp/{id}/background.mp3")
         # background_audio.close()
         ffmpeg_progress_run(
-            ffmpeg.input(audio_file_path).output(
+            ffmpeg.input(audio_file_path, ss=("%0.2f" % start_time_audio), t=("%0.2f" % (end_time_audio-start_time_audio))).output(
                 f"assets/temp/{id}/background.mp3",
                 # acodec="copy",
                 # acodec="libmp3lame",
                 map="0",
-                ss=start_time_audio,
-                to=end_time_audio
             ).overwrite_output(),
             end_time_audio-start_time_audio,
             "✂️ Chopping background audio..."