feat(main.py): add seek multiplier configuration and usage throughout the editor

croppa/main.py

@@ -16,6 +16,11 @@ class VideoEditor:
     MIN_PLAYBACK_SPEED = 0.1
     MAX_PLAYBACK_SPEED = 10.0
     
+    # Seek multiplier configuration
+    SEEK_MULTIPLIER_INCREMENT = 1.0
+    MIN_SEEK_MULTIPLIER = 1.0
+    MAX_SEEK_MULTIPLIER = 100.0
+    
     # Auto-repeat seeking configuration
     AUTO_REPEAT_DISPLAY_RATE = 1.0
 
@@ -163,6 +168,7 @@ class VideoEditor:
                 'looping_between_markers': self.looping_between_markers,
                 'display_offset': self.display_offset,
                 'playback_speed': getattr(self, 'playback_speed', 1.0),
+                'seek_multiplier': getattr(self, 'seek_multiplier', 1.0),
                 'is_playing': getattr(self, 'is_playing', False)
             }
             
@@ -209,6 +215,8 @@ class VideoEditor:
                 self.display_offset = state['display_offset']
             if 'playback_speed' in state:
                 self.playback_speed = state['playback_speed']
+            if 'seek_multiplier' in state:
+                self.seek_multiplier = state['seek_multiplier']
             if 'is_playing' in state:
                 self.is_playing = state['is_playing']
             
@@ -218,6 +226,7 @@ class VideoEditor:
             self.brightness = max(-100, min(100, self.brightness))
             self.contrast = max(0.1, min(3.0, self.contrast))
             self.playback_speed = max(self.MIN_PLAYBACK_SPEED, min(self.MAX_PLAYBACK_SPEED, self.playback_speed))
+            self.seek_multiplier = max(self.MIN_SEEK_MULTIPLIER, min(self.MAX_SEEK_MULTIPLIER, self.seek_multiplier))
             
             return True
         except Exception as e:
@@ -426,6 +435,7 @@ class VideoEditor:
         self.current_frame = 0
         self.is_playing = False if self.is_image_mode else False  # Images start paused
         self.playback_speed = 1.0
+        self.seek_multiplier = 1.0
         self.current_display_frame = None
 
         # Reset crop, zoom, rotation, brightness/contrast, and cut settings for new media
@@ -493,14 +503,16 @@ class VideoEditor:
     def seek_video_with_modifier(
         self, direction: int, shift_pressed: bool, ctrl_pressed: bool
     ):
-        """Seek video with different frame counts based on modifiers"""
+        """Seek video with different frame counts based on modifiers and seek multiplier"""
         if ctrl_pressed:
-            frames = direction * 60  # Ctrl: 60 frames
+            base_frames = 60  # Ctrl: 60 frames
         elif shift_pressed:
-            frames = direction * 10  # Shift: 10 frames
+            base_frames = 10  # Shift: 10 frames
         else:
-            frames = direction * 1  # Default: 1 frame
+            base_frames = 1  # Default: 1 frame
 
+        # Apply seek multiplier to the base frame count
+        frames = direction * int(base_frames * self.seek_multiplier)
         self.seek_video(frames)
 
     def start_auto_repeat_seek(self, direction: int, shift_pressed: bool, ctrl_pressed: bool):
@@ -1078,10 +1090,13 @@ class VideoEditor:
         contrast_text = (
             f" | Contrast: {self.contrast:.1f}" if self.contrast != 1.0 else ""
         )
+        seek_multiplier_text = (
+            f" | Seek: {self.seek_multiplier:.1f}x" if self.seek_multiplier != 1.0 else ""
+        )
         if self.is_image_mode:
             info_text = f"Image | Zoom: {self.zoom_factor:.1f}x{rotation_text}{brightness_text}{contrast_text}"
         else:
-            info_text = f"Frame: {self.current_frame}/{self.total_frames} | Speed: {self.playback_speed:.1f}x | Zoom: {self.zoom_factor:.1f}x{rotation_text}{brightness_text}{contrast_text} | {'Playing' if self.is_playing else 'Paused'}"
+            info_text = f"Frame: {self.current_frame}/{self.total_frames} | Speed: {self.playback_speed:.1f}x | Zoom: {self.zoom_factor:.1f}x{seek_multiplier_text}{rotation_text}{brightness_text}{contrast_text} | {'Playing' if self.is_playing else 'Paused'}"
         cv2.putText(
             canvas,
             info_text,
@@ -1721,6 +1736,7 @@ class VideoEditor:
             print("  Shift+A/D: Seek backward/forward (10 frames)")
             print("  Ctrl+A/D: Seek backward/forward (60 frames)")
             print("  W/S: Increase/Decrease speed")
+            print("  Q/Y: Increase/Decrease seek multiplier")
             print("  E/Shift+E: Increase/Decrease brightness")
             print("  R/Shift+R: Increase/Decrease contrast")
             print("  -: Rotate clockwise 90°")
@@ -1829,6 +1845,20 @@ class VideoEditor:
                     self.playback_speed = max(
                         self.MIN_PLAYBACK_SPEED, self.playback_speed - self.SPEED_INCREMENT
                     )
+            elif key == ord("Q"):
+                # Seek multiplier control only for videos
+                if not self.is_image_mode:
+                    self.seek_multiplier = min(
+                        self.MAX_SEEK_MULTIPLIER, self.seek_multiplier + self.SEEK_MULTIPLIER_INCREMENT
+                    )
+                    print(f"Seek multiplier: {self.seek_multiplier:.1f}x")
+            elif key == ord("Y"):
+                # Seek multiplier control only for videos
+                if not self.is_image_mode:
+                    self.seek_multiplier = max(
+                        self.MIN_SEEK_MULTIPLIER, self.seek_multiplier - self.SEEK_MULTIPLIER_INCREMENT
+                    )
+                    print(f"Seek multiplier: {self.seek_multiplier:.1f}x")
             elif key == ord("e") or key == ord("E"):
                 # Brightness adjustment: E (increase), Shift+E (decrease)
                 if key == ord("E"):