feat: Implement GUI and standalone executable

2025-11-02 12:37:09 +01:00
parent 2846471d50
commit 9b0c557d9c
14 changed files with 605 additions and 492 deletions
--- a/converter.py
+++ b/converter.py
@@ -0,0 +1,108 @@
+import os
+import subprocess
+import sys
+
+import utils
+import config
+
+def convert_video(
+    input_file_path,
+    output_dir,
+    quality_level=config.DEFAULT_QUALITY_LEVEL,
+    video_codec=config.DEFAULT_VIDEO_CODEC,
+    audio_codec=config.DEFAULT_AUDIO_CODEC,
+    output_suffix=config.OUTPUT_SUFFIX,
+    output_prefix=config.OUTPUT_PREFIX,
+    output_ext=config.DEFAULT_CONTAINER
+):
+    """Converts a video file to a DaVinci Resolve compatible format."""
+    print(f"Analyzing input file: {input_file_path}")
+    video_info = utils.get_video_info(input_file_path)
+    audio_info = utils.get_audio_info(input_file_path)
+
+    if not video_info or not video_info.get("streams"):
+        print("Error: Could not retrieve video stream information. Aborting conversion.", file=sys.stderr)
+        return False
+
+    # Extract relevant video stream info
+    try:
+        v_stream = video_info["streams"][0]
+        width = v_stream["width"]
+        height = v_stream["height"]
+    except (KeyError, IndexError) as e:
+        print(f"Error parsing video stream info: {e}", file=sys.stderr)
+        return False
+
+    # Determine video profile based on resolution and quality level
+    target_resolution_key = '1080p'
+    if height > 1080:
+        target_resolution_key = '1440p'
+    
+    video_profile = config.DNXHD_PROFILES[quality_level][target_resolution_key]
+
+    output_file_path = utils.generate_output_path(
+        input_file_path, output_dir, output_suffix, output_prefix, output_ext
+    )
+
+    # Fail-safe: Generate unique filename if target already exists
+    counter = 0
+    original_output_file_path = output_file_path
+    while os.path.exists(output_file_path):
+        counter += 1
+        name, ext = os.path.splitext(original_output_file_path)
+        output_file_path = f"{name}_{counter}{ext}"
+        print(f"Warning: Output file '{original_output_file_path}' already exists. Trying '{output_file_path}'.", file=sys.stderr)
+
+    print(f"Converting '{input_file_path}' to '{output_file_path}'")
+
+    # Construct FFmpeg command
+    ffmpeg_command = [
+        config.FFMPEG_PATH,
+        *config.FFMPEG_GLOBAL_OPTIONS,
+        "-progress", "ffmpeg_progress.log",
+        "-i", input_file_path,
+        "-c:v", video_codec,
+        "-profile:v", video_profile,
+        "-pix_fmt", config.DEFAULT_VIDEO_PIX_FMT,
+    ]
+
+    # Add audio options if audio_info is available
+    if audio_info and audio_info.get("streams"):
+        ffmpeg_command.extend([
+            "-c:a", audio_codec,
+        ])
+    else:
+        print("Warning: No audio stream found or parsed. Output will be video-only.", file=sys.stderr)
+        ffmpeg_command.append("-an") # Disable audio if no audio stream
+
+    ffmpeg_command.append(output_file_path)
+
+    try:
+        with open(config.FFMPEG_LOG_FILE_PATH, "w") as log_file:
+            process = subprocess.run(
+                ffmpeg_command,
+                stdout=log_file,
+                stderr=log_file,
+                text=True,
+                check=True
+            )
+        return True
+    except subprocess.CalledProcessError as e:
+        print(f"Error during FFmpeg conversion: {e}", file=sys.stderr)
+        print(f"Check {config.FFMPEG_LOG_FILE_PATH} for details.", file=sys.stderr)
+        # Optionally print last few lines of log for quick debugging
+        try:
+            with open(config.FFMPEG_LOG_FILE_PATH, "r") as log_file:
+                lines = log_file.readlines()
+                print("Last 10 lines of FFmpeg log:", file=sys.stderr)
+                for line in lines[-10:]:
+                    print(line.strip(), file=sys.stderr)
+        except Exception as log_err:
+            print(f"Could not read FFmpeg log file: {log_err}", file=sys.stderr)
+        return False
+    except FileNotFoundError:
+        print("Error: FFmpeg not found. Please ensure FFmpeg is installed and in your PATH.", file=sys.stderr)
+        return False
+    except Exception as e:
+        print(f"An unexpected error occurred: {e}", file=sys.stderr)
+        return False