This commit updates the template selection logic in the VideoEditor to correctly identify and utilize templates that start at the current frame. The changes include additional checks to remove or use templates based on their start frames, improving the efficiency and accuracy of template management during video editing sessions.
This commit updates the template management system in the VideoEditor to store template images alongside their start frames and regions. The changes include modifications to the loading and saving processes, ensuring that template images are recreated when needed. Additionally, the logic for adding and retrieving templates has been refined to accommodate the new structure, improving the overall efficiency and clarity of template handling during video editing sessions.
This commit updates the template management system in the VideoEditor by transitioning from a dictionary-based structure to a list of tuples. The new structure simplifies the handling of templates, focusing on start frames and regions without the need for template IDs or counters. Additionally, the loading and saving of templates have been streamlined, enhancing clarity and efficiency in template operations during video editing sessions.
This commit updates the video scaling logic to ensure that videos are scaled down to fit the screen bounds instead of resizing the window. The previous logic for window resizing has been removed, streamlining the display process and enhancing the user experience during video editing sessions. The changes also include adjustments to maintain the aspect ratio of the video while scaling.
This commit eliminates the code that removes templates starting after the current frame, streamlining the template handling process. The changes enhance clarity and efficiency in template management during video editing sessions. Debug messages related to template removal have also been removed to reflect this update.
This commit removes unused attributes and logic related to template matching, enhancing the clarity and efficiency of the template management system. The changes include the removal of the template matching enabled flag and associated state management, focusing on the current template ID and its associated data. Debug messages have been updated to reflect these changes, ensuring better tracking and feedback during video editing sessions.
This commit updates the template handling logic in the VideoEditor to remove any templates that start after the current frame and properly end templates that start at the current frame. This change improves the clarity and efficiency of template management during video editing sessions, ensuring that only relevant templates are active. Debug messages have been added to provide insights into the template removal and ending process.
This commit removes unused methods and simplifies the template matching process by eliminating multi-scale matching in favor of a single-scale approach. The changes enhance performance and clarity in the tracking logic, ensuring a more efficient template matching experience. Debug messages have been updated to reflect the current state of the template matching process.
This commit introduces a toggle for template matching modes in the VideoEditor, allowing users to choose between full frame and cropped region matching. The logic has been updated to handle both modes effectively, improving flexibility and performance during template tracking. Additionally, the multi-scale template matching feature has been removed, streamlining the template matching process. Debug messages and feedback have been enhanced to reflect the current mode, ensuring better user experience during video editing sessions.
This commit updates the template matching logic in the VideoEditor to apply motion tracking offsets to the current frame before performing template matching. The new method, _apply_motion_tracking_offset, creates an offset frame based on the base position, improving tracking accuracy. This change simplifies the process by removing the previous cropping logic and ensures that template matching works effectively on the adjusted frame, enhancing overall performance during video editing sessions.
This commit modifies the template matching logic in the VideoEditor to use only the cropped region of the frame when available, significantly enhancing the speed of template tracking. If no crop is applied, the original frame is used for tracking. This change improves the efficiency of the template matching process while maintaining accuracy in locating objects during video editing sessions.
This commit introduces a mechanism to select the best template for the current frame if templates are available. Additionally, it updates the template matching process to apply tracking directly on the original frame, avoiding infinite recursion and improving tracking accuracy. These changes enhance the overall functionality and reliability of the template management system during video editing sessions.
This commit updates the template matching process in the VideoEditor to apply tracking on the already transformed frame, which includes crop, zoom, and rotation adjustments. This change enhances tracking accuracy by ensuring that the template can locate the object in its modified position, while also improving code clarity and performance during video editing sessions.
This commit updates the template matching process in the VideoEditor to apply tracking directly on the original frame instead of a cropped region. This change ensures that the template can accurately locate the object in its original position, improving tracking reliability. The code has been simplified by removing the previous cropping logic, enhancing overall clarity and performance during video editing sessions.
This commit removes the initial template selection logic from the tracking method and introduces a mechanism to disable template matching when no templates are available. Additionally, it updates the comments to clarify the enabling of template matching upon template creation, improving the overall management of templates during video editing sessions.
This commit renames and updates the template navigation methods in the VideoEditor to enhance user experience. The methods now allow users to jump directly to the previous or next template markers, improving frame handling and feedback. Debug messages have been added to provide clearer insights during navigation, ensuring users are informed about the current actions and template positions.
This commit simplifies the rendering of template dots in the VideoEditor by standardizing their appearance to match motion tracking points. Additionally, it enhances the right-click functionality to allow for template removal when clicking near template centers, improving user interaction and feedback during video editing sessions.
This commit updates the navigation methods for templates in the VideoEditor, enhancing the logic to jump to the start frame of the selected template. The feedback messages have been improved to provide clearer information about the selected template and its corresponding frame. Additionally, visual indicators for active templates have been added, allowing users to easily identify which templates are currently in use during video editing sessions.
This commit enhances the VideoEditor by implementing logic to end the previous template at the current frame when a new template is added. It also updates the method for retrieving the best template for a given frame to prioritize the most recent template. Additionally, a new method is introduced to recreate templates from their data region, ensuring templates are correctly initialized when needed. These changes improve template management and user feedback during video editing sessions.
This commit introduces a system for managing multiple templates within the VideoEditor. Users can now add, remove, and navigate through templates, enhancing the flexibility of template tracking. The state management has been updated to save and load multiple templates, including their regions and frame ranges. Additionally, visual indicators for active templates have been implemented in the frame display, improving user feedback during editing sessions.
This commit adds functionality to scale down the video display when in fullscreen mode if the video dimensions exceed the available screen size. This enhancement ensures that videos are properly displayed within the window dimensions, improving user experience during video editing.
This commit changes the default setting for multi-scale template matching to false, streamlining the initial configuration. It also updates the state management to include the multi-scale setting, ensuring that the user's preference is preserved across sessions. Additionally, the display information has been enhanced to reflect the current template matching status, improving user feedback during video editing.
This commit introduces a toggle for multi-scale template matching, allowing users to switch between multi-scale and single-scale approaches for improved tracking accuracy. The default setting is now multi-scale, enhancing the template matching process by evaluating templates at various sizes. Additionally, debug messages and user feedback have been updated to reflect this new feature.
This commit introduces a multi-scale template matching technique to improve tracking accuracy by evaluating templates at various sizes. Additionally, it implements adaptive thresholding based on recent match confidences, allowing for more dynamic and responsive matching criteria. A new method for image preprocessing is also added to enhance contrast and reduce noise, further optimizing the template matching process.
This commit introduces a new method to get the template matching position and confidence for a specific frame. It optimizes the tracking process by utilizing cropped regions for faster template matching while maintaining functionality for full frame matching when no crop is set. Additionally, it updates the rendering logic to visualize the template matching point on the canvas, enhancing user feedback with confidence levels displayed. This update improves the overall accuracy and efficiency of the template matching feature.
This commit adds functionality to store the current display frame and update the current frame index during the rendering process. This enhancement supports better motion tracking by ensuring the correct frame is referenced, contributing to more accurate processing of video frames.
This commit removes the direct storage of the tracking template and introduces a method to recreate the template from the specified region when needed. It enhances the template tracking logic by ensuring that the template is dynamically generated based on the current frame and region, improving accuracy and usability. Debug messages have been added to assist in tracking the template recreation process.
This commit modifies the template tracking logic in the VideoEditor to utilize the raw display frame instead of applying transformations, improving accuracy in tracking. It updates the coordinate mapping to account for various rotation angles, ensuring correct positioning of the tracked template. This enhancement streamlines the tracking process and enhances overall functionality.
This commit introduces a new feature in the VideoEditor that allows users to visualize the template selection rectangle on the canvas. The rectangle is drawn in magenta, enhancing the user interface and providing clearer feedback during template selection. This update complements the existing functionality for selective feature deletion and improves overall usability.
This commit adds functionality to manage the state of template matching in the VideoEditor, including loading and saving template matching settings. It also updates user interaction for selecting template regions, changing the control scheme from Alt+Right-click to Ctrl+Left-click for better usability. Additionally, it improves the handling of the current display frame during feature extraction, ensuring robustness in the tracking process.
This commit introduces a new tracking method using template matching, enhancing the tracking capabilities of the VideoEditor. It includes the ability to set a tracking template from a selected region, track the template in the current frame, and toggle template matching on and off. Additionally, debug messages have been added to provide insights during the template tracking process, improving user experience and functionality.
This commit improves the feature tracking logic in the VideoEditor by implementing smooth interpolation between feature positions across frames. It introduces methods to calculate the center of features for a given frame, ensuring a more fluid tracking experience. These enhancements provide better continuity in feature tracking, particularly when features are sparse, and improve overall user experience.
This commit refines the feature tracking process by enhancing the get_tracking_position method to handle cases where frame features are missing. It also adds detailed debug messages throughout the VideoEditor class, particularly during frame seeking and feature interpolation, to provide better insights into the feature availability and interpolation process. These changes improve the robustness and user experience of the feature tracking functionality.
This commit introduces methods for interpolating features between frames and filling gaps in feature tracking using linear interpolation. It enhances the optical flow tracking capabilities by ensuring continuity of features across frames. Debug messages have been added to provide insights during the interpolation process, improving the overall functionality and user experience in the VideoEditor.
This commit introduces a new method for tracking features using Lucas-Kanade optical flow, enhancing the feature tracking capabilities. It includes logic to toggle optical flow tracking, store previous frames for flow calculations, and update feature positions based on optical flow results. Debug messages have been added to provide insights during the tracking process, improving user experience and functionality.
This commit updates the feature tracking logic to check for descriptor dimension mismatches when adding features to existing entries. If a mismatch is detected, existing features are replaced instead of concatenated, ensuring data integrity. Additionally, debug messages have been added to provide better insights during the feature extraction process, improving overall user experience.
This commit updates the feature extraction process to provide a fallback to SIFT when SURF is not available, enhancing robustness. It introduces a new method to extract features from specific regions of a frame, allowing for the addition of features to existing ones. Feedback messages have been improved to reflect these changes, ensuring better user experience and clarity during feature extraction.
This commit updates the feature extraction process to store and utilize features in rotated frame coordinates, aligning with existing motion tracking methods. It simplifies the coordinate mapping logic by removing unnecessary transformations, enhancing the accuracy of feature tracking. Additionally, feedback messages have been refined to reflect the changes in feature extraction, improving user experience.
This commit enhances the feature extraction process by ensuring that features are extracted from the transformed frame that users see, accounting for all transformations such as cropping, zooming, and rotation. It simplifies the coordinate mapping logic, allowing for accurate feature tracking without the need for manual coordinate adjustments. Feedback messages have been updated to reflect the extraction from the visible area, improving user experience.
This commit updates the feature extraction process to handle cropped regions of the original frame, allowing for more accurate feature tracking based on the visible area. It introduces logic to extract features from both cropped and full frames, ensuring that coordinates are correctly mapped back to the original frame space. Feedback messages have been enhanced to inform users about the success or failure of feature extraction, improving the overall user experience.
This commit modifies the feature extraction process to include a coordinate mapper, allowing for accurate mapping of features from transformed frames back to their original coordinates. It introduces new methods for handling coordinate transformations during cropping and rotation, ensuring that features are correctly stored and retrieved in the appropriate frame space. This improvement enhances the tracking accuracy and overall functionality of the VideoEditor.
This commit updates the feature extraction process to utilize the transformed frames that users see, rather than the original frames. It includes a new method for mapping coordinates from transformed frames back to original coordinates, ensuring accurate tracking. Additionally, feedback messages have been improved to reflect the success or failure of feature extraction based on the visible area.
This commit enhances the display functionality by calculating the available height for video timelines, resizing frames while preserving their aspect ratio, and centering them on a canvas. The window resizing logic has been updated to ensure the entire monitor space is utilized effectively, improving the visual presentation of media files.
This commit introduces the Cv2BufferedCap class, which optimizes video frame loading, seeking, and caching. The MediaGrader class has been updated to utilize this new class, enhancing frame accuracy and playback performance. Additionally, configuration constants have been adjusted for better playback speed control, and redundant backend handling has been removed to streamline video loading. Overall, these changes improve the efficiency and reliability of video playback in the application.
This commit updates the image and screenshot saving functionality in the VideoEditor class to use high-quality JPEG settings. The JPEG quality is set to 95, ensuring better image fidelity when saving processed frames and static images.
This commit improves the navigation logic in the VideoEditor class for jumping to previous and next tracking markers. It ensures that when at the beginning of the tracking frames, the user jumps to the first marker, and when at the end, they jump to the last marker. Debug statements have been updated to reflect these changes, providing clearer insights during navigation. The specification has also been updated to document the new behavior.
This commit updates the VideoEditor class to improve the logic for drawing and checking motion paths between tracking points. The comments have been adjusted to clarify the conditions for drawing lines between previous→current and previous→next frames. Additionally, debug statements have been enhanced to provide clearer insights during the snapping process, ensuring better tracking point interactions.
This commit enhances the VideoEditor class by refining the logic for drawing motion paths and checking line snapping between tracking points. It introduces a unified approach to handle both previous→next and previous→current lines, improving the clarity of the visual representation. Additionally, debug statements have been updated to provide better insights during the snapping process, ensuring accurate tracking point interactions. The display update method is also called to refresh the visual state after changes.
This commit refines the distance calculation method in the VideoEditor class by introducing a new function, _point_to_line_distance_and_foot, which computes the distance from a point to an infinite line and returns the foot of the perpendicular. The snapping logic has been updated to utilize this new method, enhancing the accuracy of line snapping between tracking points. Additionally, debug statements have been added to assist in tracking the snapping process and verifying point conversions.
This commit improves the snapping feature in the VideoEditor class by adding the ability to snap new tracking points to the closest point on the line segment between consecutive tracking points, in addition to existing point snapping. The distance calculation logic has been refined, and the specification has been updated to reflect the new snapping behavior, which now operates within a 10px radius for both point and line snapping, enhancing the precision of motion tracking.
This commit enhances the VideoEditor class by adding a snapping feature that allows users to snap new tracking points to existing points from any frame within a 50px radius. The logic first checks for the removal of existing points before determining if a new point should be added or if it should snap to a nearby point. The specification has been updated to reflect this new snapping behavior, improving the precision of motion tracking.
This commit updates the VideoEditor class to visualize the motion path between previous and next tracking points using yellow arrows. The rendering of tracking points has been modified, with previous points displayed as red circles and next points as magenta circles, both with white borders for better visibility. The specification has been updated to reflect these changes in the display of tracking points and their motion direction.
This commit introduces two new methods, _get_previous_tracking_point and _get_next_tracking_point, to the VideoEditor class. These methods allow for the retrieval of tracking points from the previous and next frames that contain tracking data, enhancing navigation capabilities. The rendering logic has been updated to utilize these methods, ensuring that the previous (red) and next (green) tracking points are displayed correctly during video playback. Additionally, the specification has been updated to reflect these changes in the display of tracking points.
This commit introduces a new method, complete_reset, in the VideoEditor class, allowing users to reset all transformations and settings, including crop, zoom, rotation, brightness, contrast, and motion tracking. The method ensures a clean slate for editing by clearing the transformation cache and saving the state. Additionally, the specification has been updated to include this new functionality, enhancing user control over the editing environment.
This commit modifies the encoding parameters in the VideoEditor class, changing the preset to 'veryslow' and adjusting the CRF value to 12 for enhanced video quality. Additionally, it introduces new parameters for profile and level settings, as well as x264 parameters for reference frames and B-frames, optimizing the encoding process for better performance and visual fidelity.
This commit updates the mouse wheel event handling in the VideoEditor class to allow for zooming in and out with Ctrl+scroll, while enabling frame seeking with plain scroll. The specification has been updated to reflect the new mouse wheel behavior, improving user navigation and control during video editing.
This commit enhances the VideoEditor class by updating the marker navigation methods to focus on tracking points instead of cut markers. The new methods, jump_to_previous_marker and jump_to_next_marker, now utilize a sorted list of frames with tracking points, improving navigation efficiency. Additionally, the documentation has been updated to reflect these changes, providing clearer instructions for users on how to navigate using tracking markers.
This commit introduces keyboard controls for jumping to previous and next markers (cut start or end) in the VideoEditor class. The new functionality enhances user navigation during video editing, allowing for more efficient management of cut points. This addition improves the overall editing experience by providing quick access to key markers in the timeline.
This commit introduces a new method, seek_video_exact_frame, in the VideoEditor class, allowing users to seek video by exactly one frame, independent of the seek multiplier. The functionality is integrated with keyboard controls for navigating to the previous and next frames, enhancing precision in video editing. This addition improves user control and responsiveness during frame navigation.
This commit modifies the seek multiplier settings in the VideoEditor class, increasing the SEEK_MULTIPLIER_INCREMENT from 2.0 to 4.0 and expanding the MAX_SEEK_MULTIPLIER from 100.0 to 1000.0. These changes enhance the flexibility and responsiveness of the seeking functionality during video editing.
This commit adds functionality to the VideoEditor class to render tracking points from the previous and next frames with 50% alpha blending. Red circles indicate previous frame points, while green circles represent next frame points, improving the visual feedback during video editing. Additionally, the feedback message duration has been reduced for a more responsive user experience.
This commit updates the frame processing logic in the VideoEditor class to apply rotation before cropping, ensuring accurate handling of frames in rotated space. It introduces effective cropping that accommodates out-of-bounds scenarios by padding with black, improving the visual output during editing. Additionally, debug statements have been refined to provide clearer information on output dimensions and effective crop details, enhancing the overall user experience in video editing.
This commit introduces a new method, _get_display_params, in the VideoEditor class to centralize the calculation of display parameters, including effective crop dimensions, offsets, and scaling factors. The coordinate mapping methods have been updated to utilize these unified parameters, enhancing the accuracy of point mapping between original and screen coordinates during zoom and cropping operations. This refactor improves code readability and maintainability while ensuring a consistent user experience in video editing.
This commit updates the visibility width and height calculations in the VideoEditor class to use the minimum of the new dimensions and the window dimensions when cropping due to zoom. This change enhances the accuracy of the displayed area during zoom operations, ensuring that the canvas scaling is correctly applied and improving the overall user experience in video editing.
This commit updates the coordinate mapping methods in the VideoEditor class to utilize the effective crop dimensions more accurately. It clarifies the calculations for mapping points between rotated frame coordinates and screen coordinates, ensuring consistent behavior during zoom and cropping operations. Additionally, comments have been refined for better understanding of the effective crop application, enhancing code readability and maintainability.
This commit updates the cropping functionality in the VideoEditor class to use an effective crop rectangle derived from the current frame. It ensures that the crop is applied correctly within the bounds of the processed frame, enhancing the accuracy of cropping after rotation. Additionally, a visual outline of the effective crop is drawn on the canvas for debugging purposes, improving the user experience during video editing.
This commit updates the _get_effective_crop_rect_for_frame method to improve the calculation of the crop rectangle in rotated frame coordinates, incorporating tracking follow functionality. It ensures that the crop rectangle is accurately centered on the interpolated tracking position when motion tracking is enabled. Additionally, comments have been clarified to reflect the use of the effective crop, enhancing code readability and maintainability.
This commit updates the VideoEditor class to store and manage tracking points in rotated frame coordinates, improving accuracy in overlay rendering and user interactions. It introduces a new method for mapping rotated coordinates to screen space and modifies existing methods to ensure consistent handling of coordinates throughout the editing process. These changes enhance the overall functionality and user experience when working with motion tracking in video editing.
This commit modifies the cropping functionality to apply transformations in rotated frame coordinates, ensuring accurate cropping after rotation. It introduces a new method for mapping screen coordinates back to rotated frame coordinates, enhancing the overall cropping experience. Additionally, debug statements are added for better tracking of crop operations, improving the debugging process during development.
This commit enhances the _map_original_to_screen and _map_screen_to_original methods by clarifying the calculations for zoom and rotation. It introduces new variables for better readability and ensures accurate mapping of coordinates, including adjustments for display offsets. The changes streamline the processing of frame dimensions and improve the overall functionality of the video editing experience.
This commit introduces motion tracking capabilities, allowing users to add and remove tracking points on video frames. The tracking state is managed with new attributes, and the crop functionality is enhanced to follow the tracked motion. Additionally, the user interface is updated to reflect the tracking status, and keyboard shortcuts are added for toggling tracking and clearing points. This feature improves the editing experience by enabling dynamic cropping based on motion analysis.
This commit modifies the handling of tracking points in the VideoEditor and MotionTracker classes by removing the storage of display coordinates. Instead, display coordinates are now calculated dynamically during rendering, ensuring accuracy regardless of crop or rotation states. The changes enhance the consistency of point transformations and improve logging for better debugging and verification of coordinate accuracy during mouse interactions.
This commit modifies the handling of tracking points in the VideoEditor and MotionTracker classes by removing the storage of display coordinates. Instead, display coordinates are now calculated dynamically during rendering, ensuring accuracy regardless of crop or rotation states. The changes enhance the consistency of point transformations and improve logging for better debugging and verification of coordinate accuracy during mouse interactions.
This commit introduces a new TrackingPoint class to encapsulate both original and display coordinates for tracking points, improving the accuracy and consistency of point transformations. The VideoEditor class has been updated to utilize this new structure, allowing for better handling of tracking points during video editing. Additionally, logging has been enhanced to provide clearer insights into the addition and processing of tracking points, while redundant verification steps have been removed for efficiency. This change streamlines the tracking process and improves the overall user experience.
This commit improves the point transformation and untransformation methods in the VideoEditor class by ensuring they match the applied transformations precisely. It adds checks for null points and current display frames, enhancing robustness. Additionally, detailed logging has been introduced to track coordinate adjustments during cropping and transformations, aiding in debugging and ensuring consistent behavior across the coordinate mapping process.
This commit improves the point transformation methods in the VideoEditor class by incorporating interpolated positions for cropping and refining the handling of coordinates during transformations. It adds detailed logging to track the adjustments made to crop centers and the verification of transformed points, ensuring better debugging and visibility into the state of the video editing process. Additionally, it enhances bounds checking for transformed points, maintaining consistency with the original frame dimensions.
This commit refines the point transformation methods in the VideoEditor class, ensuring coordinates are validated against frame dimensions and crop areas. It adds detailed logging for point transformations and mouse interactions, improving visibility into the state of tracking points. Additionally, it introduces debug features for visualizing crop rectangles and point indices, enhancing the debugging experience during video editing.
This commit adds a new entry to the .gitignore file to exclude log files. In the VideoEditor class, it refines the crop position adjustment logic to calculate the center of the crop rectangle before applying offsets, ensuring more accurate positioning. Additionally, it enhances logging throughout the point transformation and tracking processes, providing better insights into the state of tracking points and their visibility relative to the crop area.
This commit adds detailed logging to the VideoEditor and MotionTracker classes, providing insights into the transformations and adjustments made during point processing and cropping. It refines the crop position adjustment logic to ensure offsets are only applied when necessary and enhances the visibility of tracking points based on their position relative to the crop area. Additionally, it improves the handling of motion tracking toggling, ensuring a default crop rect is created when needed, thus enhancing the overall user experience during video editing.
This commit refines the point transformation process in the VideoEditor class by ensuring coordinates are converted to floats and validating their positions relative to the crop area. It also updates the right-click event handling to accurately convert display coordinates to original frame coordinates, allowing for better interaction with tracking points. Additionally, the MotionTracker class is modified to set a default zoom center based on the crop rect if none is provided, improving the tracking functionality.
This commit introduces a new MotionTracker class for handling motion tracking during video editing. The VideoEditor class has been updated to integrate motion tracking features, including adding and removing tracking points, interpolating positions, and applying tracking offsets during cropping. The user can toggle motion tracking and clear tracking points via keyboard shortcuts. Additionally, the state management has been enhanced to save and load motion tracking data, improving the overall editing experience.
This commit introduces the Cv2BufferedCap class, which provides a buffered wrapper around cv2.VideoCapture. It implements frame caching with LRU eviction to optimize frame retrieval and reduce latency during video playback. The VideoEditor class has been updated to utilize this new class, enhancing performance and simplifying frame management. Unused frame cache methods have been removed to streamline the codebase.
- **Right-click**: Add tracking point (green circle with white border)
- **Right-click existing point**: Remove tracking point (within 10px)
- **Right-click near existing point**: Snap to existing point from any frame (within 10px radius)
- **Right-click near motion path**: Snap to closest point on yellow arrow line between tracking points (within 10px radius)
- **v**: Toggle motion tracking on/off
- **V**: Clear all tracking points
- **Blue cross**: Shows computed tracking position
- **Automatic interpolation**: Tracks between keyframes
- **Crop follows**: Crop area centers on tracked object
- **Display** Points are rendered as blue dots per frame, in addition the previous tracking point (red) and next tracking point (magenta) are shown with yellow arrows indicating motion direction
#### Motion Tracking Navigation
- **,**: Jump to previous tracking marker (previous frame that has one or more tracking points). Goes to first marker if at beginning.
- **.**: Jump to next tracking marker (next frame that has one or more tracking points). Goes to last marker if at end.
### Markers and Looping
- **1**: Set cut start marker at current frame
- **2**: Set cut end marker at current frame
- **t**: Toggle loop playback between markers
- **Red lines**: Markers shown on timeline with numbers
- **Continuous loop**: Playback loops between markers when enabled
### File Management
- **Enter**: Render video (overwrites if filename contains "_edited_")
- **b**: Render video with new "_edited_001" filename (does NOT overwrite!)
- **s**: Save screenshot with auto-incrementing filename (video_frame_00001.jpg, video_frame_00002.jpg, etc. - NEVER overwrite existing screenshots)
- **N/n**: Next/previous video in directory
- **p**: Toggle project view (directory browser)
### Project View
- **wasd**: Navigate through video thumbnails
- **e**: Open selected video
- **Q/Y**: Change thumbnail size (fewer/more per row, size automatically computed to fit row)
- **q**: Quit
- **Progress bars**: Show editing progress for each video (blue bar showing current_frame/total_frames)
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