Fix: Resolve NameError in utils.py; Refactor: Switch to subprocess calls and update spec file; Docs: Mark packaging complete

src/utils.py

@@ -3,10 +3,11 @@ import json
 import subprocess
 import sys
 
+from src import config # Import config module
+
 def get_video_info(file_path):
-    """Uses ffprobe to get detailed information about a video file."""
     command = [
-        'ffprobe',
+        config.FFPROBE_PATH,
         '-v', 'error',
         '-select_streams', 'v:0',
         '-show_entries', 'stream=codec_name,width,height,avg_frame_rate,duration_ts,bit_rate,pix_fmt',
@@ -33,10 +34,10 @@ def get_video_info(file_path):
 def get_audio_info(file_path):
     """Uses ffprobe to get detailed information about an audio stream in a video file."""
     command = [
-        'ffprobe',
+        config.FFPROBE_PATH,
         '-v', 'error',
-        '-select_streams', 'v:0',
-        '-show_entries', 'stream=codec_name,width,height,avg_frame_rate,duration_ts,bit_rate,pix_fmt',
+        '-select_streams', 'a:0',
+        '-show_entries', 'stream=codec_name,sample_rate,channels,bit_rate',
         '-of', 'json',
         file_path
     ]