Add Job Window Redesign (#128)

* Initial refactor of add_job_window

* Improved project naming and fixed Blender engine issue

* Improve time representation in main window

* Cleanup Blender job creation

* Send resolution / fps data in job submission

* More window improvements

* EngineManager renaming and refactoring

* FFMPEG path fixes for ffprobe

* More backend refactoring / improvements

* Performance improvements / API refactoring

* Show current job count in add window UI before submission

* Move some UI update code out of background thread

* Move some main window UI update code out of background thread

src/engines/ffmpeg/ffmpeg_engine.py

@@ -1,4 +1,5 @@
 import json
+import os
 import re
 
 from src.engines.core.base_engine import *
@@ -20,8 +21,7 @@ class FFMPEG(BaseRenderEngine):
         return FFMPEGRenderWorker
 
     def ui_options(self):
-        from src.engines.ffmpeg.ffmpeg_ui import FFMPEGUI
-        return FFMPEGUI.get_options(self)
+        return []
 
     def supported_extensions(self):
         help_text = (subprocess.check_output([self.engine_path(), '-h', 'full'], stderr=subprocess.STDOUT,
@@ -45,10 +45,19 @@ class FFMPEG(BaseRenderEngine):
         return version
 
     def get_project_info(self, project_path, timeout=10):
+        """Run ffprobe and parse the output as JSON"""
         try:
-            # Run ffprobe and parse the output as JSON
+            # resolve ffprobe path
+            engine_dir = os.path.dirname(self.engine_path())
+            ffprobe_path = os.path.join(engine_dir, 'ffprobe')
+            if self.engine_path().endswith('.exe'):
+                ffprobe_path += '.exe'
+            if not os.path.exists(ffprobe_path):  # fallback to system install (if available)
+                ffprobe_path = 'ffprobe'
+
+            # run ffprobe
             cmd = [
-                'ffprobe', '-v', 'quiet', '-print_format', 'json',
+                ffprobe_path, '-v', 'quiet', '-print_format', 'json',
                 '-show_streams', '-select_streams', 'v', project_path
             ]
             output = subprocess.check_output(cmd, stderr=subprocess.STDOUT, text=True,
@@ -78,7 +87,7 @@ class FFMPEG(BaseRenderEngine):
             }
 
         except Exception as e:
-            print(f"An error occurred: {e}")
+            print(f"Failed to get FFMPEG project info: {e}")
             return None
 
     def get_encoders(self):