diff --git a/anime_audio_helper.py b/anime_audio_helper.py
index 66d24b4..e6115e9 100644
--- a/anime_audio_helper.py
+++ b/anime_audio_helper.py
@@ -21,7 +21,7 @@ REMUX_CODECS = {"aac", "opus"}  # Using a set for efficient lookups
 
 SVT_AV1_PARAMS = {
     "speed": "slower",  # "slower", "slow", "medium", "fast", "faster"
-    "quality": "medium",  # "higher", "high", "medium", "low", "lower"
+    "quality": "medium",  # "lowest", "low",  # "higher", "high", "medium", "low", "lower"
     "film-grain": 6,
     "color-primaries": 1,
     "transfer-characteristics": 1,
@@ -96,28 +96,6 @@ def convert_audio_track(index, ch, lang, audio_temp_dir, source_file, should_dow
     ])
     return final_opus
 
-def run_ffmpeg_and_get_framecount(cmd):
-    import sys
-    import re
-    frame_count = None
-    last_line = ""
-    # Start ffmpeg process
-    with subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True) as proc:
-        # Read stderr line by line
-        for line in proc.stderr:
-            sys.stdout.write(line)
-            sys.stdout.flush()
-            last_line = line
-            match = re.search(r"frame=\s*(\d+)", line)
-            if match:
-                frame_count = int(match.group(1))
-        proc.wait()
-        if proc.returncode != 0:
-            raise RuntimeError(f"ffmpeg exited with code {proc.returncode}")
-    if frame_count is None:
-        raise RuntimeError("Could not determine frame count from ffmpeg output.")
-    return frame_count
-
 def convert_video(source_file_base, source_file_full, is_vfr, target_cfr_fps_for_handbrake, autocrop_filter=None):
     print("  --- Starting Video Processing ---")
     scene_file = Path(f"{source_file_base}.txt")  # Not used anymore, but kept for compatibility
@@ -178,12 +156,12 @@ def convert_video(source_file_base, source_file_full, is_vfr, target_cfr_fps_for
     if autocrop_filter:
         ffmpeg_args += ["-vf", autocrop_filter]
     ffmpeg_args += video_codec_args + [str(ut_video_file)]
-    frame_count = run_ffmpeg_and_get_framecount(ffmpeg_args)
+    run_cmd(ffmpeg_args)
     ut_video_full_path = os.path.abspath(ut_video_file)
 
     # --- SVT-AV1 ENCODING (ffmpeg pipe to SvtAv1EncApp) ---
     print("    - Starting AV1 encode with ffmpeg -> SvtAv1EncApp pipe (this will take a long time)...")
-    # Probe UTVideo file for width, height, and frame count
+    # Probe UTVideo file for width, height (ffprobe) and frame count (mediainfo, fallback to ffprobe)
     ffprobe_dim_cmd = [
         "ffprobe", "-v", "error", "-select_streams", "v:0",
         "-show_entries", "stream=width,height", "-of", "json", ut_video_full_path
@@ -193,14 +171,27 @@ def convert_video(source_file_base, source_file_full, is_vfr, target_cfr_fps_for
     width = ffprobe_dim['streams'][0]['width']
     height = ffprobe_dim['streams'][0]['height']
 
-    ffprobe_framecount_cmd = [
-        "ffprobe", "-v", "error", "-select_streams", "v:0",
-        "-count_frames", "-show_entries", "stream=nb_read_frames",
-        "-of", "json", ut_video_full_path
-    ]
-    ffprobe_framecount_json = run_cmd(ffprobe_framecount_cmd, capture_output=True)
-    ffprobe_framecount = json.loads(ffprobe_framecount_json)
-    frame_count = int(ffprobe_framecount['streams'][0].get('nb_read_frames', 0))
+    # Try to get frame count from mediainfo (faster)
+    mediainfo_json = run_cmd([
+        "mediainfo", "--Output=JSON", "-f", ut_video_full_path
+    ], capture_output=True)
+    media_info = json.loads(mediainfo_json)
+    frame_count = None
+    for track in media_info.get("media", {}).get("track", []):
+        if track.get("@type") == "Video":
+            frame_count = int(track.get("FrameCount", 0))
+            break
+
+    # Fallback to ffprobe if mediainfo fails
+    if not frame_count:
+        ffprobe_framecount_cmd = [
+            "ffprobe", "-v", "error", "-select_streams", "v:0",
+            "-count_frames", "-show_entries", "stream=nb_read_frames",
+            "-of", "json", ut_video_full_path
+        ]
+        ffprobe_framecount_json = run_cmd(ffprobe_framecount_cmd, capture_output=True)
+        ffprobe_framecount = json.loads(ffprobe_framecount_json)
+        frame_count = int(ffprobe_framecount['streams'][0].get('nb_read_frames', 0))
 
     svtav1_param_list = [
         "--input-depth", "10",