feat: Implement GUI and standalone executable

utils.py

@@ -0,0 +1,81 @@
+import os
+import json
+import subprocess
+import sys
+
+import config # Import config module
+
+def get_video_info(file_path):
+    command = [
+        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',
+        '-of', 'json',
+        file_path
+    ]
+    try:
+        result = subprocess.run(command, capture_output=True, text=True, check=True)
+        # Filter out known non-critical ffprobe stderr messages
+        filtered_stderr = "\n".join([line for line in result.stderr.splitlines() if not ("mpp_soc" in line or "mpp_platform" in line)])
+        if filtered_stderr:
+            print(f"ffprobe Stderr: {filtered_stderr}", file=sys.stderr)
+        return json.loads(result.stdout)
+    except subprocess.CalledProcessError as e:
+        filtered_stderr = "\n".join([line for line in e.stderr.splitlines() if not ("mpp_soc" in line or "mpp_platform" in line)])
+        print(f"Error running ffprobe: {e}", file=sys.stderr)
+        if filtered_stderr:
+            print(f"ffprobe Stderr: {filtered_stderr}", file=sys.stderr)
+        return None
+    except FileNotFoundError:
+        print("Error: ffprobe not found. Please ensure FFmpeg is installed and in your PATH.", file=sys.stderr)
+        return None
+
+def get_audio_info(file_path):
+    """Uses ffprobe to get detailed information about an audio stream in a video file."""
+    command = [
+        config.FFPROBE_PATH,
+        '-v', 'error',
+        '-select_streams', 'a:0',
+        '-show_entries', 'stream=codec_name,sample_rate,channels,bit_rate',
+        '-of', 'json',
+        file_path
+    ]
+    try:
+        result = subprocess.run(command, capture_output=True, text=True, check=True)
+        return json.loads(result.stdout)
+    except subprocess.CalledProcessError as e:
+        print(f"Error running ffprobe: {e}", file=sys.stderr)
+        print(f"Stderr: {e.stderr}", file=sys.stderr)
+        return None
+    except FileNotFoundError:
+        print("Error: ffprobe not found. Please ensure FFmpeg is installed and in your PATH.", file=sys.stderr)
+        return None
+
+def get_video_duration(file_path):
+    command = [
+        config.FFPROBE_PATH,
+        '-v', 'error',
+        '-show_entries', 'format=duration',
+        '-of', 'default=noprint_wrappers=1:nokey=1',
+        file_path
+    ]
+    try:
+        result = subprocess.run(command, capture_output=True, text=True, check=True)
+        return float(result.stdout)
+    except (subprocess.CalledProcessError, FileNotFoundError, ValueError) as e:
+        print(f"Error getting video duration: {e}", file=sys.stderr)
+        return None
+
+def generate_output_path(input_file_path, output_dir, suffix="_DR_compatible", prefix="recoded_", new_extension=".mov"):
+    """Generates the output file path based on input, output directory, and naming conventions."""
+    base_name = os.path.basename(input_file_path)
+    name_without_ext = os.path.splitext(base_name)[0]
+
+    final_name = f"{name_without_ext}{suffix}{new_extension}"
+
+    # Apply recoded_ prefix if output_dir is the same as input_file_path's directory
+    if os.path.abspath(output_dir) == os.path.abspath(os.path.dirname(input_file_path)):
+        final_name = f"{prefix}{final_name}"
+
+    return os.path.join(output_dir, final_name)