added api for ai; got backend working

backend/video_editor.py

@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+"""
+Video editing operations using FFmpeg.
+"""
+
+import json
+import sys
+from pathlib import Path
+
+# Add backend to path
+sys.path.insert(0, str(Path(__file__).parent))
+
+from services.video_editor import export_stream_copy, export_reencode, export_reencode_with_subs, get_video_info
+
+
+def main():
+    if len(sys.argv) < 2:
+        print("Usage: python video_editor.py <command> [args...]", file=sys.stderr)
+        sys.exit(1)
+
+    command = sys.argv[1]
+
+    try:
+        if command == "export_stream_copy":
+            if len(sys.argv) != 5:
+                print("Usage: python video_editor.py export_stream_copy <input_path> <output_path> <keep_segments_json>", file=sys.stderr)
+                sys.exit(1)
+            input_path = sys.argv[2]
+            output_path = sys.argv[3]
+            keep_segments = json.loads(sys.argv[4])
+            result = export_stream_copy(input_path, output_path, keep_segments)
+            print(json.dumps({"output_path": result}))
+
+        elif command == "export_reencode":
+            if len(sys.argv) != 7:
+                print("Usage: python video_editor.py export_reencode <input_path> <output_path> <keep_segments_json> <resolution> <format_hint>", file=sys.stderr)
+                sys.exit(1)
+            input_path = sys.argv[2]
+            output_path = sys.argv[3]
+            keep_segments = json.loads(sys.argv[4])
+            resolution = sys.argv[5]
+            format_hint = sys.argv[6]
+            result = export_reencode(input_path, output_path, keep_segments, resolution, format_hint)
+            print(json.dumps({"output_path": result}))
+
+        elif command == "export_reencode_with_subs":
+            if len(sys.argv) != 8:
+                print("Usage: python video_editor.py export_reencode_with_subs <input_path> <output_path> <keep_segments_json> <subtitle_path> <resolution> <format_hint>", file=sys.stderr)
+                sys.exit(1)
+            input_path = sys.argv[2]
+            output_path = sys.argv[3]
+            keep_segments = json.loads(sys.argv[4])
+            subtitle_path = sys.argv[5]
+            resolution = sys.argv[6]
+            format_hint = sys.argv[7]
+            result = export_reencode_with_subs(input_path, output_path, keep_segments, subtitle_path, resolution, format_hint)
+            print(json.dumps({"output_path": result}))
+
+        elif command == "get_video_info":
+            if len(sys.argv) != 3:
+                print("Usage: python video_editor.py get_video_info <input_path>", file=sys.stderr)
+                sys.exit(1)
+            input_path = sys.argv[2]
+            result = get_video_info(input_path)
+            print(json.dumps(result))
+
+        else:
+            print(f"Unknown command: {command}", file=sys.stderr)
+            sys.exit(1)
+
+    except Exception as e:
+        print(json.dumps({"error": str(e)}), file=sys.stderr)
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()