"""Main window UI for Video Montage Linker.""" import json import os import re import shutil from pathlib import Path from typing import Optional from PyQt6.QtCore import Qt, QUrl, QEvent, QPoint, QTimer from PyQt6.QtGui import QDragEnterEvent, QDropEvent, QColor, QPainter, QFont, QFontMetrics from PyQt6.QtMultimedia import QMediaPlayer, QAudioOutput from PyQt6.QtMultimediaWidgets import QVideoWidget from PyQt6.QtWidgets import ( QApplication, QWidget, QVBoxLayout, QPushButton, QLabel, QFileDialog, QLineEdit, QHBoxLayout, QMessageBox, QListWidget, QListWidgetItem, QTreeWidget, QTreeWidgetItem, QAbstractItemView, QGroupBox, QHeaderView, QComboBox, QSlider, QSplitter, QTabWidget, QScrollArea, QSizePolicy, QSpinBox, QMenu, QProgressDialog, QDialog, QDialogButtonBox, QFormLayout, QCheckBox, QDoubleSpinBox, ) from PyQt6.QtGui import QPixmap from config import VIDEO_EXTENSIONS from core import ( BlendCurve, BlendMethod, FolderType, DirectInterpolationMethod, TransitionSettings, PerTransitionSettings, DirectTransitionSettings, VideoPreset, VIDEO_PRESETS, TransitionSpec, SymlinkError, CleanupError, DatabaseManager, TransitionGenerator, RifeDownloader, encode_image_sequence, encode_from_file_list, find_ffmpeg, PracticalRifeEnv, FilmEnv, SymlinkManager, OPTICAL_FLOW_PRESETS, ) from .widgets import TrimSlider class TimelineTreeWidget(QTreeWidget): """QTreeWidget with timeline markers drawn in the background.""" def __init__(self, parent: Optional[QWidget] = None) -> None: super().__init__(parent) self.fps = 16 self._text_color = QColor(100, 100, 100) def set_fps(self, fps: int) -> None: """Update FPS for timeline display.""" self.fps = max(1, fps) self.viewport().update() def paintEvent(self, event) -> None: """Draw timeline markers in background, then call parent paint.""" # Draw the timeline background on the viewport painter = QPainter(self.viewport()) frame_count = self.topLevelItemCount() if frame_count > 0 and self.fps > 0: # Get row height from first visible item first_item = self.topLevelItem(0) if first_item: # Get column positions col0_width = self.columnWidth(0) col1_right = col0_width + self.columnWidth(1) viewport_width = self.viewport().width() # Font for time labels font = QFont("Monospace", 9) painter.setFont(font) metrics = QFontMetrics(font) # Draw for each row for i in range(frame_count): item = self.topLevelItem(i) if not item: continue item_rect = self.visualItemRect(item) if item_rect.isNull() or item_rect.bottom() < 0 or item_rect.top() > self.viewport().height(): continue # Not visible y_center = item_rect.center().y() # Calculate time for this frame time_seconds = i / self.fps is_major = (i % self.fps == 0) # Every second if is_major: # Format time minutes = int(time_seconds // 60) seconds = int(time_seconds % 60) if minutes > 0: time_str = f"{minutes}:{seconds:02d}" else: time_str = f"{seconds}s" text_width = metrics.horizontalAdvance(time_str) painter.setPen(self._text_color) # Draw time label on right of column 0 painter.drawText(col0_width - text_width - 6, y_center + metrics.ascent() // 2, time_str) # Draw time label on right of column 1 (before the # column) painter.drawText(col1_right - text_width - 6, y_center + metrics.ascent() // 2, time_str) painter.end() # Call parent to draw the actual tree content super().paintEvent(event) class OverlapDialog(QDialog): """Dialog for setting per-transition overlap frames.""" def __init__( self, parent: Optional[QWidget], folder_name: str, left_overlap: int = 16, right_overlap: int = 16 ) -> None: super().__init__(parent) self.setWindowTitle("Set Overlap Frames") self.setMinimumWidth(300) layout = QVBoxLayout(self) # Info label info_label = QLabel(f"Transition folder: {folder_name}") info_label.setWordWrap(True) layout.addWidget(info_label) # Form for overlap settings form_layout = QFormLayout() self.left_spin = QSpinBox() self.left_spin.setRange(1, 120) self.left_spin.setValue(left_overlap) self.left_spin.setToolTip("Overlap frames at the Main → Transition boundary") form_layout.addRow("Left boundary overlap:", self.left_spin) self.right_spin = QSpinBox() self.right_spin.setRange(1, 120) self.right_spin.setValue(right_overlap) self.right_spin.setToolTip("Overlap frames at the Transition → Main boundary") form_layout.addRow("Right boundary overlap:", self.right_spin) layout.addLayout(form_layout) # Explanation explain = QLabel( "Left: overlap frames at the Main → Trans boundary.\n" "Right: overlap frames at the Trans → Main boundary.\n" "Each side blends that many frames from both folders." ) explain.setStyleSheet("color: gray; font-size: 10px;") explain.setWordWrap(True) layout.addWidget(explain) # Buttons buttons = QDialogButtonBox( QDialogButtonBox.StandardButton.Ok | QDialogButtonBox.StandardButton.Cancel ) buttons.accepted.connect(self.accept) buttons.rejected.connect(self.reject) layout.addWidget(buttons) def get_values(self) -> tuple[int, int]: """Get the overlap values.""" return self.left_spin.value(), self.right_spin.value() class DirectTransitionDialog(QDialog): """Dialog for configuring direct frame interpolation between MAIN sequences.""" def __init__( self, parent: Optional[QWidget], folder_name: str, frame_count: int = 16, method: DirectInterpolationMethod = DirectInterpolationMethod.FILM, enabled: bool = True ) -> None: super().__init__(parent) self.setWindowTitle("Direct Interpolation Settings") self.setMinimumWidth(350) layout = QVBoxLayout(self) # Info label info_label = QLabel(f"Interpolate after: {folder_name}") info_label.setWordWrap(True) layout.addWidget(info_label) # Form for settings form_layout = QFormLayout() # Method selection self.method_combo = QComboBox() self.method_combo.addItem("RIFE (Fast, small motion)", DirectInterpolationMethod.RIFE) self.method_combo.addItem("FILM (Slow, large motion)", DirectInterpolationMethod.FILM) if method == DirectInterpolationMethod.FILM: self.method_combo.setCurrentIndex(1) form_layout.addRow("Method:", self.method_combo) # Frame count self.frame_spin = QSpinBox() self.frame_spin.setRange(1, 60) self.frame_spin.setValue(frame_count) self.frame_spin.setToolTip("Number of interpolated frames to generate") form_layout.addRow("Frames:", self.frame_spin) # Enable checkbox self.enabled_check = QCheckBox("Enabled") self.enabled_check.setChecked(enabled) form_layout.addRow("", self.enabled_check) layout.addLayout(form_layout) # Status label for setup state self.status_label = QLabel() self.status_label.setStyleSheet("font-size: 10px;") layout.addWidget(self.status_label) # Setup button (for installing RIFE/FILM) self.setup_btn = QPushButton("Setup PyTorch Environment") self.setup_btn.setToolTip("Install PyTorch and required packages") self.setup_btn.clicked.connect(self._on_setup) layout.addWidget(self.setup_btn) # Explanation explain = QLabel( "RIFE: Fast AI interpolation, best for small motion and color shifts.\n" "FILM: Google Research model, better for large motion and scene gaps.\n\n" "Generated frames bridge the gap between the last frame of this\n" "sequence and the first frame of the next MAIN sequence." ) explain.setStyleSheet("color: gray; font-size: 10px;") explain.setWordWrap(True) layout.addWidget(explain) # Buttons button_layout = QHBoxLayout() self.remove_btn = QPushButton("Remove") self.remove_btn.setToolTip("Remove this direct transition") button_layout.addWidget(self.remove_btn) button_layout.addStretch() buttons = QDialogButtonBox( QDialogButtonBox.StandardButton.Ok | QDialogButtonBox.StandardButton.Cancel ) buttons.accepted.connect(self.accept) buttons.rejected.connect(self.reject) button_layout.addWidget(buttons) layout.addLayout(button_layout) self._removed = False self.remove_btn.clicked.connect(self._on_remove) self.method_combo.currentIndexChanged.connect(self._update_status) self._update_status() def _update_status(self) -> None: """Update the status label and setup button based on current method.""" method = self.method_combo.currentData() rife_ready = PracticalRifeEnv.is_setup() film_ready = FilmEnv.is_setup() if rife_ready else False if method == DirectInterpolationMethod.RIFE: if rife_ready: self.status_label.setText("RIFE: Ready") self.status_label.setStyleSheet("color: green; font-size: 10px;") self.setup_btn.setVisible(False) else: self.status_label.setText("RIFE: Not installed (PyTorch required)") self.status_label.setStyleSheet("color: orange; font-size: 10px;") self.setup_btn.setVisible(True) self.setup_btn.setText("Setup PyTorch Environment") else: # FILM if film_ready: self.status_label.setText("FILM: Ready") self.status_label.setStyleSheet("color: green; font-size: 10px;") self.setup_btn.setVisible(False) elif rife_ready: self.status_label.setText("FILM: Package not installed") self.status_label.setStyleSheet("color: orange; font-size: 10px;") self.setup_btn.setVisible(True) self.setup_btn.setText("Install FILM Package") else: self.status_label.setText("FILM: Not installed (PyTorch required first)") self.status_label.setStyleSheet("color: orange; font-size: 10px;") self.setup_btn.setVisible(True) self.setup_btn.setText("Setup PyTorch Environment") def _on_setup(self) -> None: """Handle setup button click.""" method = self.method_combo.currentData() rife_ready = PracticalRifeEnv.is_setup() if not rife_ready: # Need to set up PyTorch venv first progress = QProgressDialog( "Setting up PyTorch environment...", "Cancel", 0, 100, self ) progress.setWindowTitle("Setup") progress.setWindowModality(Qt.WindowModality.WindowModal) progress.setMinimumDuration(0) progress.setValue(0) cancelled = [False] def progress_cb(msg, pct): progress.setLabelText(msg) progress.setValue(pct) def cancelled_check(): QApplication.processEvents() return progress.wasCanceled() success = PracticalRifeEnv.setup_venv(progress_cb, cancelled_check) progress.close() if not success: if not cancelled_check(): QMessageBox.warning( self, "Setup Failed", "Failed to set up PyTorch environment." ) return # If FILM selected and we need to install FILM package if method == DirectInterpolationMethod.FILM and not FilmEnv.is_setup(): progress = QProgressDialog( "Installing FILM package...", "Cancel", 0, 100, self ) progress.setWindowTitle("Setup") progress.setWindowModality(Qt.WindowModality.WindowModal) progress.setMinimumDuration(0) progress.setValue(0) def progress_cb(msg, pct): progress.setLabelText(msg) progress.setValue(pct) def cancelled_check(): QApplication.processEvents() return progress.wasCanceled() success = FilmEnv.setup_film(progress_cb, cancelled_check) progress.close() if not success: if not cancelled_check(): QMessageBox.warning( self, "Setup Failed", "Failed to install FILM package." ) return self._update_status() def _on_remove(self) -> None: """Handle remove button click.""" self._removed = True self.reject() def was_removed(self) -> bool: """Check if the user clicked Remove.""" return self._removed def get_values(self) -> tuple[DirectInterpolationMethod, int, bool]: """Get the dialog values.""" return ( self.method_combo.currentData(), self.frame_spin.value(), self.enabled_check.isChecked() ) class SequenceLinkerUI(QWidget): """PyQt6 GUI for the Video Montage Linker.""" def __init__(self) -> None: """Initialize the UI.""" super().__init__() self.source_folders: list[Path] = [] self._folder_ids: list[int] = [] # parallel to source_folders, same length self._next_folder_id: int = 1 # monotonic counter self.last_directory: Optional[str] = None self._last_resumed_dest: Optional[str] = None self._folder_trim_settings: dict[int, tuple[int, int]] = {} # fid -> (start, end) self._folder_file_counts: dict[int, int] = {} # fid -> count self._folder_type_overrides: dict[int, FolderType] = {} # fid -> type self._transition_settings = TransitionSettings() self._per_transition_settings: dict[int, PerTransitionSettings] = {} # fid -> PTS self._direct_transitions: dict[int, DirectTransitionSettings] = {} # fid -> DTS self._removed_files: dict[int, set[str]] = {} # fid -> set self._sequence_frame_count: int = 0 # Full output count including transition frames self._current_session_id: Optional[int] = None self.db = DatabaseManager() self.manager = SymlinkManager(self.db) self._setup_window() self._create_widgets() self._create_layout() self._connect_signals() self.setAcceptDrops(True) # Initialize sequence table FPS self.sequence_table.set_fps(self.fps_spin.value()) def _allocate_folder_id(self) -> int: """Allocate a new unique folder entry ID.""" fid = self._next_folder_id self._next_folder_id += 1 return fid def _setup_window(self) -> None: """Configure the main window properties.""" self.setWindowTitle('Video Montage Linker') self.setMinimumSize(1000, 700) def _create_widgets(self) -> None: """Create all UI widgets.""" # Source folders panel - side panel with single unified list self.source_panel = QWidget() self.source_panel.setMinimumWidth(150) # Single unified source list (odd=Main, even=Transition) self.source_list = QListWidget() self.source_list.setSelectionMode(QAbstractItemView.SelectionMode.SingleSelection) self.source_list.setAlternatingRowColors(True) # Hidden lists for compatibility with old code self.main_list = QListWidget() self.main_list.setVisible(False) self.trans_list = QListWidget() self.trans_list.setVisible(False) # Folder buttons self.add_folder_btn = QPushButton("+ Add Folder") self.remove_source_btn = QPushButton("Remove") self.move_up_btn = QPushButton("▲") self.move_up_btn.setFixedWidth(40) self.move_down_btn = QPushButton("▼") self.move_down_btn.setFixedWidth(40) # Destination - now with two paths (editable combo boxes with history) self.dst_label = QLabel("Destination Folder:") self.dst_path = QComboBox() self.dst_path.setEditable(True) self.dst_path.setInsertPolicy(QComboBox.InsertPolicy.NoInsert) self.dst_path.lineEdit().setPlaceholderText("Select destination folder for symlinks") self.dst_path.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed) self.dst_btn = QPushButton("Browse") self.trans_dst_label = QLabel("Transition Destination:") self.trans_dst_path = QComboBox() self.trans_dst_path.setEditable(True) self.trans_dst_path.setInsertPolicy(QComboBox.InsertPolicy.NoInsert) self.trans_dst_path.lineEdit().setPlaceholderText("Select destination for transition output (optional)") self.trans_dst_path.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed) self.trans_dst_btn = QPushButton("Browse") # Load path history self._load_path_history() # File list (Sequence Order tab) self.file_list = QTreeWidget() self.file_list.setHeaderLabels(["Sequence Name", "Original Filename", "Source Folder", "Frame"]) self.file_list.setDragDropMode(QAbstractItemView.DragDropMode.InternalMove) self.file_list.setSelectionMode(QAbstractItemView.SelectionMode.ExtendedSelection) self.file_list.setRootIsDecorated(False) self.file_list.header().setStretchLastSection(False) self.file_list.header().setSectionResizeMode(0, QHeaderView.ResizeMode.Interactive) self.file_list.header().setSectionResizeMode(1, QHeaderView.ResizeMode.Stretch) self.file_list.header().setSectionResizeMode(2, QHeaderView.ResizeMode.Interactive) self.file_list.header().setSectionResizeMode(3, QHeaderView.ResizeMode.Interactive) self.file_list.header().resizeSection(0, 120) self.file_list.header().resizeSection(2, 150) self.file_list.header().resizeSection(3, 50) self.file_list.header().setMinimumSectionSize(40) self.file_list.setToolTip("Drag to reorder within folder, Del to remove") # Action buttons self.remove_files_btn = QPushButton("Remove Files") self.refresh_btn = QPushButton("Refresh Files") # Split export buttons self.export_btn = QPushButton("Export Sequence") self.export_btn.setStyleSheet( "background-color: #27ae60; color: white; " "height: 40px; font-weight: bold;" ) self.export_trans_btn = QPushButton("Export with Transitions") self.export_trans_btn.setStyleSheet( "background-color: #3498db; color: white; " "height: 40px; font-weight: bold;" ) self.encode_video_btn = QPushButton("Encode Video Only") self.encode_video_btn.setToolTip( "Encode an existing seq_* image sequence in the destination folder to video.\n" "No export is performed — frames must already exist." ) self.save_session_btn = QPushButton("Save Session") self.save_session_btn.setToolTip( "Save the current session state (folders, files, trim, transitions, etc.)\n" "so you can resume exactly where you left off." ) self.restore_session_btn = QPushButton("Restore Session") self.restore_session_btn.setToolTip( "Pick a previously saved session to restore." ) self.copy_files_check = QCheckBox("Copy files (instead of symlinks)") self.copy_files_check.setToolTip( "Copy actual files instead of creating symlinks.\n" "Use this when the destination is accessed from Docker or a remote system." ) # Export options group (collapsible via checkable) self.export_options_group = QGroupBox("Export Options") self.export_options_group.setCheckable(True) self.export_options_group.setChecked(False) # Range selection self.range_start_spin = QSpinBox() self.range_start_spin.setMinimum(0) self.range_start_spin.setMaximum(0) self.range_start_spin.setToolTip("First frame index to export") self.range_end_spin = QSpinBox() self.range_end_spin.setMinimum(0) self.range_end_spin.setMaximum(0) self.range_end_spin.setToolTip("Last frame index to export") self.range_reset_btn = QPushButton("Reset Range") self.range_reset_btn.setToolTip("Reset range to full sequence") # Video encoding self.video_export_check = QCheckBox("Encode video") self.video_export_check.setToolTip("Encode output frames to video after export") self.video_preset_combo = QComboBox() for key, vp in VIDEO_PRESETS.items(): self.video_preset_combo.addItem(vp.label, key) self.video_preset_combo.setToolTip("Video encoding preset") # Preview tabs self.preview_tabs = QTabWidget() # Video preview tab self.video_tab = QWidget() self.video_widget = QVideoWidget() self.video_widget.setMinimumSize(320, 180) self.media_player = QMediaPlayer() self.audio_output = QAudioOutput() self.media_player.setAudioOutput(self.audio_output) self.media_player.setVideoOutput(self.video_widget) self.video_combo = QComboBox() self.video_combo.setPlaceholderText("Select a video to preview") self.play_btn = QPushButton("Play") self.stop_btn = QPushButton("Stop") self.video_slider = QSlider(Qt.Orientation.Horizontal) self.video_slider.setRange(0, 0) self.video_time_label = QLabel("00:00 / 00:00") # Image sequence preview tab self.image_tab = QWidget() self.image_scroll = QScrollArea() self.image_scroll.setWidgetResizable(True) self.image_scroll.setAlignment(Qt.AlignmentFlag.AlignCenter) self.image_scroll.viewport().installEventFilter(self) self.image_scroll.viewport().setCursor(Qt.CursorShape.OpenHandCursor) self.image_label = QLabel() self.image_label.setAlignment(Qt.AlignmentFlag.AlignCenter) self.image_label.setSizePolicy(QSizePolicy.Policy.Ignored, QSizePolicy.Policy.Ignored) self.image_label.setScaledContents(False) self.image_scroll.setWidget(self.image_label) self.prev_image_btn = QPushButton("◀ Previous") self.next_image_btn = QPushButton("Next ▶") self.image_slider = QSlider(Qt.Orientation.Horizontal) self.image_slider.setRange(0, 0) self.image_index_label = QLabel("0 / 0") self.image_name_label = QLabel("") self.image_name_label.setAlignment(Qt.AlignmentFlag.AlignCenter) self.zoom_in_btn = QPushButton("+") self.zoom_in_btn.setFixedWidth(30) self.zoom_out_btn = QPushButton("-") self.zoom_out_btn.setFixedWidth(30) self.zoom_reset_btn = QPushButton("Fit") self.zoom_reset_btn.setFixedWidth(40) self.zoom_label = QLabel("100%") self.zoom_label.setFixedWidth(45) self._zoom_level = 1.0 self._current_pixmap: Optional[QPixmap] = None self._pan_start = None self._pan_scrollbar_start = None self._blend_preview_cache: dict[str, QPixmap] = {} # Cache for generated blend frames # Trim slider self.trim_slider = TrimSlider() self.trim_label = QLabel("Frames: All included") self.trim_label.setAlignment(Qt.AlignmentFlag.AlignCenter) # Sequence table (2-column: Main Frame | Transition Frame) with timeline background self.sequence_table = TimelineTreeWidget() self.sequence_table.setHeaderLabels(["Main Frame", "Transition Frame", "#"]) self.sequence_table.setColumnCount(3) self.sequence_table.setRootIsDecorated(False) self.sequence_table.setSelectionMode(QAbstractItemView.SelectionMode.SingleSelection) self.sequence_table.setAlternatingRowColors(True) self.sequence_table.header().setStretchLastSection(False) self.sequence_table.header().setSectionResizeMode(0, QHeaderView.ResizeMode.Interactive) self.sequence_table.header().setSectionResizeMode(1, QHeaderView.ResizeMode.Stretch) self.sequence_table.header().setSectionResizeMode(2, QHeaderView.ResizeMode.Interactive) self.sequence_table.header().resizeSection(0, 200) self.sequence_table.header().resizeSection(2, 50) self.sequence_table.header().setMinimumSectionSize(40) # Cross-dissolve transition settings group - horizontal layout self.transition_group = QGroupBox("Cross-Dissolve Transitions") self.transition_group.setCheckable(True) self.transition_group.setChecked(False) self.curve_combo = QComboBox() self.curve_combo.addItem("Linear", BlendCurve.LINEAR) self.curve_combo.addItem("Ease In", BlendCurve.EASE_IN) self.curve_combo.addItem("Ease Out", BlendCurve.EASE_OUT) self.curve_combo.addItem("Ease In/Out", BlendCurve.EASE_IN_OUT) self.curve_combo.setToolTip("Blend curve type for transitions") self.blend_format_combo = QComboBox() self.blend_format_combo.addItem("PNG", "png") self.blend_format_combo.addItem("JPEG", "jpeg") self.blend_format_combo.addItem("WebP", "webp") self.blend_format_combo.setToolTip("Output format for blended frames") # WebP method (replaces quality for WebP) self.webp_method_label = QLabel("Method:") self.webp_method_spin = QSpinBox() self.webp_method_spin.setRange(0, 6) self.webp_method_spin.setValue(4) self.webp_method_spin.setToolTip("WebP compression method (0=fast/larger, 6=slow/smaller)") self.webp_method_label.setVisible(False) self.webp_method_spin.setVisible(False) # JPEG quality self.quality_label = QLabel("Quality:") self.blend_quality_spin = QSpinBox() self.blend_quality_spin.setRange(1, 100) self.blend_quality_spin.setValue(95) self.blend_quality_spin.setToolTip("Quality for JPEG output (1-100)") self.quality_label.setVisible(False) self.blend_quality_spin.setVisible(False) # Blend method combo self.blend_method_combo = QComboBox() self.blend_method_combo.addItem("Cross-Dissolve", BlendMethod.ALPHA) self.blend_method_combo.addItem("Optical Flow", BlendMethod.OPTICAL_FLOW) self.blend_method_combo.addItem("RIFE (ncnn)", BlendMethod.RIFE) self.blend_method_combo.addItem("RIFE (Practical)", BlendMethod.RIFE_PRACTICAL) self.blend_method_combo.setToolTip( "Blending method:\n" "- Cross-Dissolve: Simple alpha blend (fast, may ghost)\n" "- Optical Flow: Motion-compensated blend (slower, less ghosting)\n" "- RIFE (ncnn): AI frame interpolation (fast, Vulkan GPU, models up to v4.6)\n" "- RIFE (Practical): AI frame interpolation (PyTorch, latest models v4.25/v4.26)" ) # RIFE binary path self.rife_path_label = QLabel("RIFE:") self.rife_path_input = QLineEdit(placeholderText="Path to rife-ncnn-vulkan (optional, auto-downloads)") self.rife_path_input.setToolTip("Path to rife-ncnn-vulkan binary. Leave empty to auto-download.") self.rife_path_btn = QPushButton("...") self.rife_path_btn.setFixedWidth(30) self.rife_download_btn = QPushButton("Download") self.rife_download_btn.setToolTip("Download latest rife-ncnn-vulkan from GitHub") self.rife_path_label.setVisible(False) self.rife_path_input.setVisible(False) self.rife_path_btn.setVisible(False) self.rife_download_btn.setVisible(False) # RIFE model selection self.rife_model_label = QLabel("Model:") self.rife_model_combo = QComboBox() self.rife_model_combo.addItem("v4.6 (Best)", "rife-v4.6") self.rife_model_combo.addItem("v4", "rife-v4") self.rife_model_combo.addItem("v3.1", "rife-v3.1") self.rife_model_combo.addItem("v2.4", "rife-v2.4") self.rife_model_combo.addItem("Anime", "rife-anime") self.rife_model_combo.addItem("UHD", "rife-UHD") self.rife_model_combo.addItem("HD", "rife-HD") self.rife_model_combo.setToolTip("RIFE model version:\n- v4.6: Latest, best quality\n- Anime: Optimized for animation\n- UHD/HD: For high resolution content") self.rife_model_label.setVisible(False) self.rife_model_combo.setVisible(False) # RIFE UHD mode self.rife_uhd_check = QCheckBox("UHD") self.rife_uhd_check.setToolTip("Enable UHD mode for high resolution images (4K+)") self.rife_uhd_check.setVisible(False) # RIFE TTA mode self.rife_tta_check = QCheckBox("TTA") self.rife_tta_check.setToolTip("Enable TTA (Test-Time Augmentation) for better quality (slower)") self.rife_tta_check.setVisible(False) # Practical-RIFE settings self.practical_model_label = QLabel("Model:") self.practical_model_combo = QComboBox() self.practical_model_combo.addItem("v4.26 (Latest)", "v4.26") self.practical_model_combo.addItem("v4.25 (Recommended)", "v4.25") self.practical_model_combo.addItem("v4.22", "v4.22") self.practical_model_combo.addItem("v4.20", "v4.20") self.practical_model_combo.addItem("v4.18", "v4.18") self.practical_model_combo.addItem("v4.15", "v4.15") self.practical_model_combo.setCurrentIndex(1) # Default to v4.25 self.practical_model_combo.setToolTip( "Practical-RIFE model version:\n" "- v4.26: Latest version\n" "- v4.25: Recommended, good balance of quality and speed" ) self.practical_model_label.setVisible(False) self.practical_model_combo.setVisible(False) self.practical_ensemble_check = QCheckBox("Ensemble") self.practical_ensemble_check.setToolTip("Enable ensemble mode for better quality (slower)") self.practical_ensemble_check.setVisible(False) self.practical_setup_btn = QPushButton("Setup PyTorch") self.practical_setup_btn.setToolTip("Create local venv and install PyTorch (~2GB download)") self.practical_setup_btn.setVisible(False) self.practical_status_label = QLabel("") self.practical_status_label.setStyleSheet("color: gray; font-size: 10px;") self.practical_status_label.setVisible(False) # Optical flow settings self.of_preset_label = QLabel("OF Preset:") self.of_preset_combo = QComboBox() self.of_preset_combo.addItem("Fast", "fast") self.of_preset_combo.addItem("Balanced", "balanced") self.of_preset_combo.addItem("Quality", "quality") self.of_preset_combo.addItem("Max", "max") self.of_preset_combo.addItem("Custom", "custom") self.of_preset_combo.setCurrentIndex(3) # Default to Max self.of_preset_combo.setToolTip( "Optical flow quality preset:\n" "- Fast: Quick processing, lower quality\n" "- Balanced: Good balance of speed and quality\n" "- Quality: Higher quality, slower\n" "- Max: Best quality, slowest" ) self.of_preset_label.setVisible(False) self.of_preset_combo.setVisible(False) self.of_levels_label = QLabel("Levels:") self.of_levels_spin = QSpinBox() self.of_levels_spin.setRange(1, 7) self.of_levels_spin.setValue(3) self.of_levels_spin.setToolTip("Pyramid levels (1-7): Higher = handles larger motion") self.of_levels_label.setVisible(False) self.of_levels_spin.setVisible(False) self.of_winsize_label = QLabel("WinSize:") self.of_winsize_spin = QSpinBox() self.of_winsize_spin.setRange(5, 51) self.of_winsize_spin.setSingleStep(2) self.of_winsize_spin.setValue(15) self.of_winsize_spin.setToolTip("Window size (5-51, odd): Larger = smoother but slower") self.of_winsize_label.setVisible(False) self.of_winsize_spin.setVisible(False) self.of_iterations_label = QLabel("Iters:") self.of_iterations_spin = QSpinBox() self.of_iterations_spin.setRange(1, 10) self.of_iterations_spin.setValue(3) self.of_iterations_spin.setToolTip("Iterations (1-10): More = better convergence") self.of_iterations_label.setVisible(False) self.of_iterations_spin.setVisible(False) self.of_poly_n_label = QLabel("PolyN:") self.of_poly_n_combo = QComboBox() self.of_poly_n_combo.addItem("5", 5) self.of_poly_n_combo.addItem("7", 7) self.of_poly_n_combo.setToolTip("Polynomial neighborhood (5 or 7): 7 = more robust") self.of_poly_n_label.setVisible(False) self.of_poly_n_combo.setVisible(False) self.of_poly_sigma_label = QLabel("Sigma:") self.of_poly_sigma_spin = QDoubleSpinBox() self.of_poly_sigma_spin.setRange(0.5, 2.0) self.of_poly_sigma_spin.setSingleStep(0.1) self.of_poly_sigma_spin.setValue(1.2) self.of_poly_sigma_spin.setDecimals(1) self.of_poly_sigma_spin.setToolTip("Poly sigma (0.5-2.0): Gaussian smoothing") self.of_poly_sigma_label.setVisible(False) self.of_poly_sigma_spin.setVisible(False) # FPS setting for sequence playback and timeline self.fps_label = QLabel("FPS:") self.fps_spin = QSpinBox() self.fps_spin.setRange(1, 120) self.fps_spin.setValue(16) self.fps_spin.setToolTip("Frames per second for sequence preview and timeline") # Timeline duration label self.timeline_label = QLabel("Duration: 00:00.000 (0 frames)") self.timeline_label.setStyleSheet("font-family: monospace;") # Sequence playback button and timer self.seq_play_btn = QPushButton("▶ Play") self.seq_play_btn.setToolTip("Play image sequence at configured FPS") self.sequence_timer = QTimer(self) self.sequence_playing = False def _create_layout(self) -> None: """Arrange widgets in layouts.""" # === LEFT SIDE PANEL: Source Folders === source_panel_layout = QVBoxLayout(self.source_panel) source_panel_layout.setContentsMargins(0, 0, 0, 0) # Title with legend source_title = QLabel("Source Folders") source_title.setStyleSheet("font-weight: bold; font-size: 12px;") source_panel_layout.addWidget(source_title) legend = QLabel("Odd = Main [M], Even = Transition [T]") legend.setStyleSheet("color: gray; font-size: 10px;") source_panel_layout.addWidget(legend) # Single unified list source_panel_layout.addWidget(self.source_list, 1) source_panel_layout.addWidget(self.add_folder_btn) # Folder control buttons folder_btn_layout = QHBoxLayout() folder_btn_layout.addWidget(self.move_up_btn) folder_btn_layout.addWidget(self.move_down_btn) folder_btn_layout.addStretch() folder_btn_layout.addWidget(self.remove_source_btn) source_panel_layout.addLayout(folder_btn_layout) # === RIGHT SIDE: Main Content === right_panel = QWidget() right_layout = QVBoxLayout(right_panel) right_layout.setContentsMargins(0, 0, 0, 0) # Destination layout dst_layout = QHBoxLayout() dst_layout.addWidget(self.dst_label) dst_layout.addWidget(self.dst_path, 1) dst_layout.addWidget(self.dst_btn) trans_dst_layout = QHBoxLayout() trans_dst_layout.addWidget(self.trans_dst_label) trans_dst_layout.addWidget(self.trans_dst_path, 1) trans_dst_layout.addWidget(self.trans_dst_btn) # Transition settings group layout - horizontal transition_layout = QHBoxLayout() transition_layout.addWidget(QLabel("Method:")) transition_layout.addWidget(self.blend_method_combo) transition_layout.addWidget(QLabel("Curve:")) transition_layout.addWidget(self.curve_combo) transition_layout.addWidget(QLabel("Format:")) transition_layout.addWidget(self.blend_format_combo) transition_layout.addWidget(self.webp_method_label) transition_layout.addWidget(self.webp_method_spin) transition_layout.addWidget(self.quality_label) transition_layout.addWidget(self.blend_quality_spin) transition_layout.addWidget(self.rife_path_label) transition_layout.addWidget(self.rife_path_input) transition_layout.addWidget(self.rife_path_btn) transition_layout.addWidget(self.rife_download_btn) transition_layout.addWidget(self.rife_model_label) transition_layout.addWidget(self.rife_model_combo) transition_layout.addWidget(self.rife_uhd_check) transition_layout.addWidget(self.rife_tta_check) transition_layout.addWidget(self.practical_model_label) transition_layout.addWidget(self.practical_model_combo) transition_layout.addWidget(self.practical_ensemble_check) transition_layout.addWidget(self.practical_setup_btn) transition_layout.addWidget(self.practical_status_label) transition_layout.addWidget(self.of_preset_label) transition_layout.addWidget(self.of_preset_combo) transition_layout.addWidget(self.of_levels_label) transition_layout.addWidget(self.of_levels_spin) transition_layout.addWidget(self.of_winsize_label) transition_layout.addWidget(self.of_winsize_spin) transition_layout.addWidget(self.of_iterations_label) transition_layout.addWidget(self.of_iterations_spin) transition_layout.addWidget(self.of_poly_n_label) transition_layout.addWidget(self.of_poly_n_combo) transition_layout.addWidget(self.of_poly_sigma_label) transition_layout.addWidget(self.of_poly_sigma_spin) transition_layout.addWidget(self.fps_label) transition_layout.addWidget(self.fps_spin) transition_layout.addWidget(self.timeline_label) transition_layout.addWidget(self.seq_play_btn) transition_layout.addStretch() self.transition_group.setLayout(transition_layout) # File list action buttons (refresh far from remove to avoid misclicks) btn_layout = QHBoxLayout() btn_layout.addWidget(self.remove_files_btn) btn_layout.addStretch() btn_layout.addWidget(self.refresh_btn) # Video preview tab layout video_tab_layout = QVBoxLayout(self.video_tab) video_tab_layout.addWidget(self.video_combo) video_tab_layout.addWidget(self.video_widget, 1) video_controls = QHBoxLayout() video_controls.addWidget(self.play_btn) video_controls.addWidget(self.stop_btn) video_controls.addWidget(self.video_slider, 1) video_controls.addWidget(self.video_time_label) video_tab_layout.addLayout(video_controls) # Image sequence preview tab layout image_tab_layout = QVBoxLayout(self.image_tab) # Image preview area image_top_bar = QHBoxLayout() image_top_bar.addWidget(self.image_name_label, 1) image_top_bar.addWidget(self.zoom_out_btn) image_top_bar.addWidget(self.zoom_label) image_top_bar.addWidget(self.zoom_in_btn) image_top_bar.addWidget(self.zoom_reset_btn) image_tab_layout.addLayout(image_top_bar) image_tab_layout.addWidget(self.image_scroll, 1) # Image navigation controls image_controls = QHBoxLayout() image_controls.addWidget(self.prev_image_btn) image_controls.addWidget(self.image_slider, 1) image_controls.addWidget(self.next_image_btn) image_controls.addWidget(self.image_index_label) image_tab_layout.addLayout(image_controls) image_tab_layout.addWidget(self.trim_label) image_tab_layout.addWidget(self.trim_slider) # Add tabs to preview widget self.preview_tabs.addTab(self.video_tab, "Video Preview") self.preview_tabs.addTab(self.image_tab, "Image Sequence") # File list panel with tabs for Sequence Order and With Transitions file_list_panel = QWidget() file_list_layout = QVBoxLayout(file_list_panel) file_list_layout.setContentsMargins(0, 0, 0, 0) # Tabs for sequence views self.sequence_tabs = QTabWidget() # Tab 1: Sequence Order (editable file list) sequence_order_tab = QWidget() sequence_order_layout = QVBoxLayout(sequence_order_tab) sequence_order_layout.setContentsMargins(0, 0, 0, 0) sequence_order_layout.addWidget(self.file_list) self.sequence_tabs.addTab(sequence_order_tab, "Sequence Order") # Tab 2: With Transitions (2-column view with timeline rulers) trans_sequence_tab = QWidget() trans_sequence_layout = QVBoxLayout(trans_sequence_tab) trans_sequence_layout.setContentsMargins(0, 0, 0, 0) trans_sequence_layout.addWidget(self.sequence_table) self.sequence_tabs.addTab(trans_sequence_tab, "With Transitions") file_list_layout.addWidget(self.sequence_tabs) file_list_layout.addLayout(btn_layout) # Splitter for file list and preview tabs file_list_panel.setMinimumWidth(200) self.preview_tabs.setMinimumWidth(200) file_list_panel.setSizePolicy(QSizePolicy.Policy.Preferred, QSizePolicy.Policy.Preferred) self.preview_tabs.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Preferred) self.content_splitter = QSplitter(Qt.Orientation.Horizontal) self.content_splitter.addWidget(file_list_panel) self.content_splitter.addWidget(self.preview_tabs) self.content_splitter.setHandleWidth(5) self.content_splitter.setChildrenCollapsible(False) self.content_splitter.setSizes([350, 450]) # Export buttons layout export_layout = QHBoxLayout() export_layout.addWidget(self.copy_files_check) export_layout.addWidget(self.save_session_btn) export_layout.addWidget(self.restore_session_btn) export_layout.addWidget(self.export_btn) export_layout.addWidget(self.export_trans_btn) export_layout.addWidget(self.encode_video_btn) # Export options group layout export_opts_layout = QVBoxLayout() range_layout = QHBoxLayout() range_layout.addWidget(QLabel("Range:")) range_layout.addWidget(self.range_start_spin) range_layout.addWidget(QLabel("—")) range_layout.addWidget(self.range_end_spin) range_layout.addWidget(self.range_reset_btn) range_layout.addStretch() export_opts_layout.addLayout(range_layout) video_layout = QHBoxLayout() video_layout.addWidget(self.video_export_check) video_layout.addWidget(self.video_preset_combo, 1) export_opts_layout.addLayout(video_layout) self.export_options_group.setLayout(export_opts_layout) # Assemble right panel right_layout.addLayout(dst_layout) right_layout.addLayout(trans_dst_layout) right_layout.addWidget(self.transition_group) right_layout.addWidget(self.content_splitter, 1) right_layout.addLayout(export_layout) right_layout.addWidget(self.export_options_group) # === MAIN SPLITTER: Source Panel | Main Content === right_panel.setMinimumWidth(400) self.source_panel.setSizePolicy(QSizePolicy.Policy.Preferred, QSizePolicy.Policy.Preferred) right_panel.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Preferred) self.main_splitter = QSplitter(Qt.Orientation.Horizontal) self.main_splitter.addWidget(self.source_panel) self.main_splitter.addWidget(right_panel) self.main_splitter.setHandleWidth(5) self.main_splitter.setChildrenCollapsible(False) self.main_splitter.setSizes([250, 750]) # Main layout main_layout = QVBoxLayout() main_layout.addWidget(self.main_splitter, 1) self.setLayout(main_layout) def _connect_signals(self) -> None: """Connect widget signals to slots.""" # Folder buttons self.add_folder_btn.clicked.connect(self._add_source_folder) self.remove_source_btn.clicked.connect(self._remove_source_folder) self.move_up_btn.clicked.connect(self._move_folder_up) self.move_down_btn.clicked.connect(self._move_folder_down) self.dst_btn.clicked.connect(self._browse_destination) self.dst_path.lineEdit().editingFinished.connect(self._on_destination_changed) self.dst_path.currentIndexChanged.connect(self._on_destination_changed) self.trans_dst_btn.clicked.connect(self._browse_trans_destination) self.remove_files_btn.clicked.connect(self._remove_selected_files) self.refresh_btn.clicked.connect(self._refresh_files) # Export buttons self.save_session_btn.clicked.connect(self._save_session) self.restore_session_btn.clicked.connect(self._pick_and_restore_session) self.export_btn.clicked.connect(self._export_sequence) self.export_trans_btn.clicked.connect(self._export_with_transitions) self.encode_video_btn.clicked.connect(self._encode_video_only) # Export options signals self.video_export_check.toggled.connect(self.video_preset_combo.setEnabled) self.range_reset_btn.clicked.connect(self._reset_export_range) self.range_start_spin.valueChanged.connect( lambda v: self.range_end_spin.setMinimum(v) ) self.range_end_spin.valueChanged.connect( lambda v: self.range_start_spin.setMaximum(v) ) # Connect reorder signals self.file_list.model().rowsMoved.connect(self._recalculate_sequence_names) # Context menu for folder type and overlap override self.source_list.setContextMenuPolicy(Qt.ContextMenuPolicy.CustomContextMenu) self.source_list.customContextMenuRequested.connect(self._show_folder_context_menu) # Context menu for file list (split sequence, remove frame) self.file_list.setContextMenuPolicy(Qt.ContextMenuPolicy.CustomContextMenu) self.file_list.customContextMenuRequested.connect(self._show_file_list_context_menu) # Update folder indicators when transition setting changes self.transition_group.toggled.connect(self._update_folder_type_indicators) # Connect folder selection to update video list self.source_list.currentItemChanged.connect(self._on_folder_selected) self.source_list.itemClicked.connect(self._on_source_item_clicked) # Video player signals self.video_combo.currentIndexChanged.connect(self._on_video_selected) self.play_btn.clicked.connect(self._toggle_play) self.stop_btn.clicked.connect(self._stop_video) self.media_player.positionChanged.connect(self._on_position_changed) self.media_player.durationChanged.connect(self._on_duration_changed) self.video_slider.sliderMoved.connect(self._seek_video) # Image sequence signals self.file_list.currentItemChanged.connect(self._on_file_selected) self.prev_image_btn.clicked.connect(self._prev_image) self.next_image_btn.clicked.connect(self._next_image) self.image_slider.valueChanged.connect(self._on_image_slider_changed) self.zoom_in_btn.clicked.connect(self._zoom_in) self.zoom_out_btn.clicked.connect(self._zoom_out) self.zoom_reset_btn.clicked.connect(self._zoom_reset) # Trim slider signals self.trim_slider.trimChanged.connect(self._on_trim_changed) self.trim_slider.trimDragFinished.connect(self._on_trim_drag_finished) # Format combo change - show/hide quality/method widgets self.blend_format_combo.currentIndexChanged.connect(self._on_format_changed) # Blend method combo change - show/hide RIFE path self.blend_method_combo.currentIndexChanged.connect(self._on_blend_method_changed) self.curve_combo.currentIndexChanged.connect(self._clear_blend_cache) self.rife_model_combo.currentIndexChanged.connect(self._clear_blend_cache) self.rife_uhd_check.stateChanged.connect(self._clear_blend_cache) self.rife_tta_check.stateChanged.connect(self._clear_blend_cache) self.rife_path_btn.clicked.connect(self._browse_rife_binary) self.rife_download_btn.clicked.connect(self._download_rife_binary) # Practical-RIFE signals self.practical_model_combo.currentIndexChanged.connect(self._clear_blend_cache) self.practical_ensemble_check.stateChanged.connect(self._clear_blend_cache) self.practical_setup_btn.clicked.connect(self._setup_practical_rife) # Optical flow signals self.of_preset_combo.currentIndexChanged.connect(self._on_of_preset_changed) self.of_levels_spin.valueChanged.connect(self._on_of_param_changed) self.of_winsize_spin.valueChanged.connect(self._on_of_param_changed) self.of_iterations_spin.valueChanged.connect(self._on_of_param_changed) self.of_poly_n_combo.currentIndexChanged.connect(self._on_of_param_changed) self.of_poly_sigma_spin.valueChanged.connect(self._on_of_param_changed) # Sequence table selection - show image self.sequence_table.currentItemChanged.connect(self._on_sequence_table_selected) # Also handle clicks on non-selectable items (direct interpolation rows) self.sequence_table.itemClicked.connect(self._on_sequence_table_clicked) # Update sequence table when transitions setting changes self.transition_group.toggled.connect(self._update_sequence_table) # Update sequence table when switching to "With Transitions" tab self.sequence_tabs.currentChanged.connect(self._on_sequence_tab_changed) # FPS and sequence playback signals self.fps_spin.valueChanged.connect(self._update_timeline_display) self.seq_play_btn.clicked.connect(self._toggle_sequence_play) self.sequence_timer.timeout.connect(self._advance_sequence_frame) # Update sequence table FPS when spinner changes self.fps_spin.valueChanged.connect(self.sequence_table.set_fps) def _on_format_changed(self, index: int) -> None: """Handle format combo change to show/hide quality/method widgets.""" fmt = self.blend_format_combo.currentData() if fmt == 'webp': self.webp_method_label.setVisible(True) self.webp_method_spin.setVisible(True) self.quality_label.setVisible(False) self.blend_quality_spin.setVisible(False) elif fmt == 'jpeg': self.webp_method_label.setVisible(False) self.webp_method_spin.setVisible(False) self.quality_label.setVisible(True) self.blend_quality_spin.setVisible(True) else: # png self.webp_method_label.setVisible(False) self.webp_method_spin.setVisible(False) self.quality_label.setVisible(False) self.blend_quality_spin.setVisible(False) def _on_blend_method_changed(self, index: int) -> None: """Handle blend method combo change to show/hide RIFE path widgets.""" method = self.blend_method_combo.currentData() is_rife_ncnn = (method == BlendMethod.RIFE) is_rife_practical = (method == BlendMethod.RIFE_PRACTICAL) is_optical_flow = (method == BlendMethod.OPTICAL_FLOW) # RIFE ncnn settings self.rife_path_label.setVisible(is_rife_ncnn) self.rife_path_input.setVisible(is_rife_ncnn) self.rife_path_btn.setVisible(is_rife_ncnn) self.rife_download_btn.setVisible(is_rife_ncnn) self.rife_model_label.setVisible(is_rife_ncnn) self.rife_model_combo.setVisible(is_rife_ncnn) self.rife_uhd_check.setVisible(is_rife_ncnn) self.rife_tta_check.setVisible(is_rife_ncnn) # Practical-RIFE settings self.practical_model_label.setVisible(is_rife_practical) self.practical_model_combo.setVisible(is_rife_practical) self.practical_ensemble_check.setVisible(is_rife_practical) self.practical_setup_btn.setVisible(is_rife_practical) self.practical_status_label.setVisible(is_rife_practical) # Optical flow settings self.of_preset_label.setVisible(is_optical_flow) self.of_preset_combo.setVisible(is_optical_flow) self.of_levels_label.setVisible(is_optical_flow) self.of_levels_spin.setVisible(is_optical_flow) self.of_winsize_label.setVisible(is_optical_flow) self.of_winsize_spin.setVisible(is_optical_flow) self.of_iterations_label.setVisible(is_optical_flow) self.of_iterations_spin.setVisible(is_optical_flow) self.of_poly_n_label.setVisible(is_optical_flow) self.of_poly_n_combo.setVisible(is_optical_flow) self.of_poly_sigma_label.setVisible(is_optical_flow) self.of_poly_sigma_spin.setVisible(is_optical_flow) if is_rife_ncnn: self._update_rife_download_button() if is_rife_practical: self._update_practical_rife_status() # Clear blend preview cache when method changes self._blend_preview_cache.clear() def _clear_blend_cache(self) -> None: """Clear the blend preview cache.""" self._blend_preview_cache.clear() def _on_of_preset_changed(self, index: int) -> None: """Handle optical flow preset change.""" preset = self.of_preset_combo.currentData() if preset == 'custom': # User selected custom - don't change sliders self._clear_blend_cache() return # Apply preset values to sliders if preset in OPTICAL_FLOW_PRESETS: values = OPTICAL_FLOW_PRESETS[preset] # Block signals while updating to avoid triggering _on_of_param_changed self.of_levels_spin.blockSignals(True) self.of_winsize_spin.blockSignals(True) self.of_iterations_spin.blockSignals(True) self.of_poly_n_combo.blockSignals(True) self.of_poly_sigma_spin.blockSignals(True) self.of_levels_spin.setValue(values['levels']) self.of_winsize_spin.setValue(values['winsize']) self.of_iterations_spin.setValue(values['iterations']) # Set poly_n combo poly_n_idx = 0 if values['poly_n'] == 5 else 1 self.of_poly_n_combo.setCurrentIndex(poly_n_idx) self.of_poly_sigma_spin.setValue(values['poly_sigma']) self.of_levels_spin.blockSignals(False) self.of_winsize_spin.blockSignals(False) self.of_iterations_spin.blockSignals(False) self.of_poly_n_combo.blockSignals(False) self.of_poly_sigma_spin.blockSignals(False) self._clear_blend_cache() def _on_of_param_changed(self) -> None: """Handle optical flow parameter change - set preset to Custom.""" # Check if current values match any preset current_values = { 'levels': self.of_levels_spin.value(), 'winsize': self.of_winsize_spin.value(), 'iterations': self.of_iterations_spin.value(), 'poly_n': self.of_poly_n_combo.currentData(), 'poly_sigma': self.of_poly_sigma_spin.value(), } # Find matching preset matching_preset = None for preset_name, preset_values in OPTICAL_FLOW_PRESETS.items(): if (preset_values['levels'] == current_values['levels'] and preset_values['winsize'] == current_values['winsize'] and preset_values['iterations'] == current_values['iterations'] and preset_values['poly_n'] == current_values['poly_n'] and abs(preset_values['poly_sigma'] - current_values['poly_sigma']) < 0.05): matching_preset = preset_name break # Update preset combo without triggering _on_of_preset_changed self.of_preset_combo.blockSignals(True) if matching_preset: # Find index of matching preset for i in range(self.of_preset_combo.count()): if self.of_preset_combo.itemData(i) == matching_preset: self.of_preset_combo.setCurrentIndex(i) break else: # Set to Custom for i in range(self.of_preset_combo.count()): if self.of_preset_combo.itemData(i) == 'custom': self.of_preset_combo.setCurrentIndex(i) break self.of_preset_combo.blockSignals(False) self._clear_blend_cache() def _browse_rife_binary(self) -> None: """Browse for RIFE binary.""" start_dir = self.last_directory or "" path, _ = QFileDialog.getOpenFileName( self, "Select rife-ncnn-vulkan Binary", start_dir, "Executable Files (*)" ) if path: self.rife_path_input.setText(path) self.last_directory = str(Path(path).parent) self._update_rife_download_button() def _update_rife_download_button(self) -> None: """Update the RIFE download button text based on availability.""" import shutil # Check if user specified a path user_path = self.rife_path_input.text().strip() if user_path and Path(user_path).exists(): self.rife_download_btn.setText("Ready") self.rife_download_btn.setEnabled(False) self.rife_download_btn.setToolTip("RIFE binary found at specified path") return # Check system PATH if shutil.which('rife-ncnn-vulkan'): self.rife_download_btn.setText("Ready") self.rife_download_btn.setEnabled(False) self.rife_download_btn.setToolTip("RIFE binary found in system PATH") return # Check cached cached = RifeDownloader.get_cached_binary() if cached: self.rife_download_btn.setText("Ready") self.rife_download_btn.setEnabled(False) self.rife_download_btn.setToolTip(f"RIFE binary cached at: {cached}") return # Not available - show download button self.rife_download_btn.setText("Download") self.rife_download_btn.setEnabled(True) self.rife_download_btn.setToolTip("Download latest rife-ncnn-vulkan from GitHub") def _download_rife_binary(self) -> None: """Download the RIFE binary with progress dialog.""" # Check platform support platform_id = RifeDownloader.get_platform_identifier() if not platform_id: QMessageBox.warning( self, "Unsupported Platform", "RIFE auto-download is not supported on this platform.\n" "Please download manually from:\n" "https://github.com/nihui/rife-ncnn-vulkan/releases" ) return # Get release info self.rife_download_btn.setText("Checking...") self.rife_download_btn.setEnabled(False) QApplication.processEvents() release_info = RifeDownloader.get_latest_release_info() if not release_info: QMessageBox.warning( self, "Download Failed", "Failed to fetch release info from GitHub.\n" "Check your internet connection or download manually." ) self._update_rife_download_button() return asset_url = RifeDownloader.find_asset_url(release_info, platform_id) if not asset_url: QMessageBox.warning( self, "Download Failed", f"No binary found for platform: {platform_id}\n" "Please download manually from:\n" "https://github.com/nihui/rife-ncnn-vulkan/releases" ) self._update_rife_download_button() return # Create progress dialog progress = QProgressDialog( "Downloading rife-ncnn-vulkan...", "Cancel", 0, 100, self ) progress.setWindowTitle("Downloading RIFE") progress.setWindowModality(Qt.WindowModality.WindowModal) progress.setMinimumDuration(0) progress.setValue(0) progress.show() # Download with progress callback def progress_callback(downloaded, total): if progress.wasCanceled(): return if total > 0: percent = int(downloaded * 100 / total) progress.setValue(percent) mb_downloaded = downloaded / (1024 * 1024) mb_total = total / (1024 * 1024) progress.setLabelText( f"Downloading rife-ncnn-vulkan...\n" f"{mb_downloaded:.1f} MB / {mb_total:.1f} MB" ) QApplication.processEvents() def cancelled_check(): QApplication.processEvents() return progress.wasCanceled() try: binary_path = RifeDownloader.download_and_extract( asset_url, progress_callback, cancelled_check ) progress.close() if progress.wasCanceled(): self._update_rife_download_button() return if binary_path: QMessageBox.information( self, "Download Complete", f"RIFE downloaded successfully!\n\n" f"Location: {binary_path}" ) self._update_rife_download_button() else: QMessageBox.warning( self, "Download Failed", "Failed to download or extract RIFE binary.\n" "Please download manually." ) self._update_rife_download_button() except Exception as e: progress.close() QMessageBox.critical( self, "Download Error", f"Error downloading RIFE: {e}" ) self._update_rife_download_button() def _update_practical_rife_status(self) -> None: """Update the Practical-RIFE status label and setup button.""" if PracticalRifeEnv.is_setup(): torch_version = PracticalRifeEnv.get_torch_version() if torch_version: self.practical_status_label.setText(f"Ready (PyTorch {torch_version})") self.practical_status_label.setStyleSheet("color: green; font-size: 10px;") else: self.practical_status_label.setText("Ready") self.practical_status_label.setStyleSheet("color: green; font-size: 10px;") self.practical_setup_btn.setText("Reinstall") self.practical_setup_btn.setToolTip("Reinstall PyTorch environment") self.practical_model_combo.setEnabled(True) self.practical_ensemble_check.setEnabled(True) else: self.practical_status_label.setText("Not configured") self.practical_status_label.setStyleSheet("color: orange; font-size: 10px;") self.practical_setup_btn.setText("Setup PyTorch") self.practical_setup_btn.setToolTip("Create local venv and install PyTorch (~2GB download)") self.practical_model_combo.setEnabled(False) self.practical_ensemble_check.setEnabled(False) def _setup_practical_rife(self) -> None: """Setup Practical-RIFE environment with progress dialog.""" # Confirm if already setup if PracticalRifeEnv.is_setup(): reply = QMessageBox.question( self, "Reinstall PyTorch?", "PyTorch environment is already set up.\n" "Do you want to reinstall it?", QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No ) if reply != QMessageBox.StandardButton.Yes: return # Create progress dialog progress = QProgressDialog( "Setting up PyTorch environment...", "Cancel", 0, 100, self ) progress.setWindowTitle("Setup Practical-RIFE") progress.setWindowModality(Qt.WindowModality.WindowModal) progress.setMinimumDuration(0) progress.setValue(0) progress.show() # Progress callback def progress_callback(message, percent): if not progress.wasCanceled(): progress.setLabelText(message) progress.setValue(percent) QApplication.processEvents() def cancelled_check(): QApplication.processEvents() return progress.wasCanceled() try: success = PracticalRifeEnv.setup_venv(progress_callback, cancelled_check) progress.close() if progress.wasCanceled(): self._update_practical_rife_status() return if success: QMessageBox.information( self, "Setup Complete", "PyTorch environment set up successfully!\n\n" f"Location: {PracticalRifeEnv.VENV_DIR}\n\n" "You can now use RIFE (Practical) for frame interpolation." ) else: QMessageBox.warning( self, "Setup Failed", "Failed to set up PyTorch environment.\n" "Check your internet connection and try again." ) self._update_practical_rife_status() except Exception as e: progress.close() QMessageBox.critical( self, "Setup Error", f"Error setting up PyTorch: {e}" ) self._update_practical_rife_status() def _on_sequence_tab_changed(self, index: int) -> None: """Handle sequence tab change to update the With Transitions view.""" if index == 1: # "With Transitions" tab self._update_sequence_table() def _update_sequence_table(self, _=None) -> None: """Update the 2-column sequence table showing Main/Transition frame pairing.""" self.sequence_table.setUpdatesEnabled(False) self.sequence_table.clear() if not self.source_folders: self._sequence_frame_count = 0 self.sequence_table.setUpdatesEnabled(True) self._update_timeline_display() self._update_export_range_max() return files = self._get_files_in_order() if not files: self._sequence_frame_count = 0 self.sequence_table.setUpdatesEnabled(True) self._update_timeline_display() self._update_export_range_max() return # Build files_by_idx: position index → file list (supports duplicate folders) fid_to_pos = {fid: i for i, fid in enumerate(self._folder_ids)} files_by_idx: dict[int, list[str]] = {} for source_dir, filename, folder_idx, file_idx, fid in files: pi = fid_to_pos.get(fid, 0) if pi not in files_by_idx: files_by_idx[pi] = [] files_by_idx[pi].append(filename) # Also include TRANSITION folder files (not in file_list but needed for blending) from config import SUPPORTED_EXTENSIONS for idx, folder in enumerate(self.source_folders): if idx not in files_by_idx: ft = self._get_effective_folder_type(idx, folder) if ft == FolderType.TRANSITION and folder.is_dir(): trans_files = sorted( [item.name for item in folder.iterdir() if item.is_file() and item.suffix.lower() in SUPPORTED_EXTENSIONS], key=str.lower ) # Apply trim settings to transition folders fid = self._folder_ids[idx] ts, te = self._folder_trim_settings.get(fid, (0, 0)) if ts > 0 or te > 0: total_t = len(trans_files) ts = min(ts, max(0, total_t - 1)) te = min(te, max(0, total_t - 1 - ts)) trans_files = trans_files[ts:total_t - te] if trans_files: files_by_idx[idx] = trans_files # Check if transitions are enabled if not self.transition_group.isChecked(): # Just show symlinks in Main column only for frame_num, (source_dir, filename, folder_idx, file_idx, _fid) in enumerate(files): seq_name = f"seq{folder_idx + 1:02d}_{file_idx:04d}" item = QTreeWidgetItem([f"{seq_name} ({filename})", "", str(frame_num)]) item.setData(0, Qt.ItemDataRole.UserRole, (source_dir, filename, folder_idx, file_idx, 'symlink')) item.setData(0, Qt.ItemDataRole.UserRole + 2, _fid) self.sequence_table.addTopLevelItem(item) self._sequence_frame_count = len(files) self.sequence_table.setUpdatesEnabled(True) self._update_timeline_display() self._update_export_range_max() return # Build index-keyed overrides and per-transition dicts for blender overrides_by_idx: dict[int, FolderType] = {} per_trans_by_idx: dict[int, PerTransitionSettings] = {} for i in range(len(self.source_folders)): fid = self._folder_ids[i] if fid in self._folder_type_overrides: overrides_by_idx[i] = self._folder_type_overrides[fid] if fid in self._per_transition_settings: per_trans_by_idx[i] = self._per_transition_settings[fid] # Get transition specs settings = self._get_transition_settings() generator = TransitionGenerator(settings) transitions = generator.identify_transition_boundaries( self.source_folders, files_by_idx, overrides_by_idx, per_trans_by_idx ) # Build lookup for transitions by position index trans_at_main_end: dict[int, TransitionSpec] = {} trans_at_trans_start: dict[int, TransitionSpec] = {} for trans in transitions: trans_at_main_end[trans.main_folder_idx] = trans trans_at_trans_start[trans.trans_folder_idx] = trans # Find consecutive MAIN folders (for direct interpolation) consecutive_main_pairs: list[tuple[int, int]] = [] for i in range(len(self.source_folders) - 1): folder_a = self.source_folders[i] folder_b = self.source_folders[i + 1] type_a = self._get_effective_folder_type(i, folder_a) type_b = self._get_effective_folder_type(i + 1, folder_b) # Two consecutive MAIN folders with no transition between them if type_a == FolderType.MAIN and type_b == FolderType.MAIN: if i not in trans_at_main_end: consecutive_main_pairs.append((i, i + 1)) # Process each folder output_seq = 0 # Track continuous sequence number for preview for folder_idx, folder in enumerate(self.source_folders): folder_files = files_by_idx.get(folder_idx, []) if not folder_files: continue num_files = len(folder_files) trans_at_end = trans_at_main_end.get(folder_idx) trans_at_start = trans_at_trans_start.get(folder_idx) folder_type = self._get_effective_folder_type(folder_idx, folder) for file_idx, filename in enumerate(folder_files): should_blend = False blend_trans = None blend_idx_in_overlap = 0 # Check if in blend zone at end of folder if trans_at_end: left_overlap = trans_at_end.left_overlap main_overlap_start = num_files - left_overlap if file_idx >= main_overlap_start: should_blend = True blend_trans = trans_at_end blend_idx_in_overlap = file_idx - main_overlap_start # Check if in consumed zone at start of folder (skip these) # But don't skip if the frame is also in the blend zone at the end if trans_at_start and not should_blend: right_overlap = trans_at_start.right_overlap if file_idx < right_overlap: # These frames are consumed by the blend - skip them continue seq_name = f"seq_{output_seq:05d}" if should_blend and blend_trans: # Calculate which trans frame this blends with output_count = max(blend_trans.left_overlap, blend_trans.right_overlap) t = blend_idx_in_overlap / (output_count - 1) if output_count > 1 else 0 trans_pos = t * (blend_trans.right_overlap - 1) if blend_trans.right_overlap > 1 else 0 trans_idx = min(round(trans_pos), blend_trans.right_overlap - 1) trans_file = blend_trans.trans_files[trans_idx] # Outgoing frame with [B] marker, incoming frame with arrow main_text = f"[B] {seq_name} ({filename})" trans_text = f"→ {trans_file}" item = QTreeWidgetItem([main_text, trans_text, str(output_seq)]) item.setData(0, Qt.ItemDataRole.UserRole, (folder, filename, folder_idx, file_idx, 'blend', output_seq)) item.setData(1, Qt.ItemDataRole.UserRole, (blend_trans.trans_folder, trans_file)) # Blue color for blend frames item.setForeground(0, QColor(100, 150, 255)) item.setForeground(1, QColor(100, 150, 255)) output_seq += 1 elif folder_type == FolderType.TRANSITION: # Transition folder middle frames — output as symlinks just like MAIN item = QTreeWidgetItem([f"[T] {seq_name} ({filename})", "", str(output_seq)]) item.setData(0, Qt.ItemDataRole.UserRole, (folder, filename, folder_idx, file_idx, 'symlink', output_seq)) item.setForeground(0, QColor(180, 140, 255)) # Purple tint for transition frames output_seq += 1 else: # Main folder files go in Main column only item = QTreeWidgetItem([f"{seq_name} ({filename})", "", str(output_seq)]) item.setData(0, Qt.ItemDataRole.UserRole, (folder, filename, folder_idx, file_idx, 'symlink', output_seq)) output_seq += 1 item.setData(0, Qt.ItemDataRole.UserRole + 2, self._folder_ids[folder_idx]) self.sequence_table.addTopLevelItem(item) # Check if this folder starts a direct interpolation gap # (current MAIN followed by another MAIN with no transition) for pair_idx_a, pair_idx_b in consecutive_main_pairs: if folder_idx == pair_idx_a: fid = self._folder_ids[folder_idx] # Add direct interpolation row after this folder's files self._add_direct_interpolation_row(fid, folder, pair_idx_b) self._sequence_frame_count = output_seq self.sequence_table.setUpdatesEnabled(True) # Update timeline display after rebuilding sequence table self._update_timeline_display() self._update_export_range_max() def _add_direct_interpolation_row(self, fid: int, after_folder: Path, next_folder_idx: int) -> None: """Add a clickable direct interpolation row between MAIN sequences. Args: fid: Folder entry ID for the folder after which interpolation occurs. after_folder: The folder Path. next_folder_idx: Index of the next MAIN folder. """ direct_settings = self._direct_transitions.get(fid) if direct_settings and direct_settings.enabled: # Configured: show green row with settings + placeholder frames method_name = direct_settings.method.value.upper() frame_count = direct_settings.frame_count # Header row (clickable to edit) header_text = f" [{method_name}: {frame_count} frames] (click to edit)" header_item = QTreeWidgetItem([header_text, ""]) header_item.setData(0, Qt.ItemDataRole.UserRole, ('direct_header', fid)) header_item.setForeground(0, QColor(50, 180, 100)) # Green header_item.setFlags(header_item.flags() & ~Qt.ItemFlag.ItemIsSelectable | Qt.ItemFlag.ItemIsEnabled) self.sequence_table.addTopLevelItem(header_item) # Add placeholder rows for each interpolated frame for i in range(frame_count): placeholder_text = f" [{method_name} {i + 1}/{frame_count}]" placeholder_item = QTreeWidgetItem([placeholder_text, ""]) placeholder_item.setData(0, Qt.ItemDataRole.UserRole, ('direct_placeholder', fid, i)) placeholder_item.setForeground(0, QColor(100, 180, 220)) # Light blue # Make placeholders non-selectable placeholder_item.setFlags(placeholder_item.flags() & ~Qt.ItemFlag.ItemIsSelectable) self.sequence_table.addTopLevelItem(placeholder_item) else: # Unconfigured: show grey "+" row add_text = " [+ Add RIFE/FILM transition] (click to configure)" add_item = QTreeWidgetItem([add_text, ""]) add_item.setData(0, Qt.ItemDataRole.UserRole, ('direct_add', fid)) add_item.setForeground(0, QColor(150, 150, 150)) # Grey add_item.setFlags(add_item.flags() & ~Qt.ItemFlag.ItemIsSelectable | Qt.ItemFlag.ItemIsEnabled) self.sequence_table.addTopLevelItem(add_item) def _on_sequence_table_selected(self, current, previous) -> None: """Handle sequence table row selection - show image in preview.""" if current is None: return # Check column 0 first (Main frame), then column 1 (Transition frame) data0 = current.data(0, Qt.ItemDataRole.UserRole) data1 = current.data(1, Qt.ItemDataRole.UserRole) data = data0 if data0 else data1 if not data: return # Handle direct interpolation rows if isinstance(data, tuple) and len(data) >= 2: if data[0] == 'direct_add': # "+" row - only open dialog if not playing (skip during playback) if not self.sequence_playing: self._show_direct_transition_dialog(data[1]) return elif data[0] == 'direct_header': # Header row - only open dialog if not playing (skip during playback) if not self.sequence_playing: self._show_direct_transition_dialog(data[1]) return elif data[0] == 'direct_placeholder': # Show preview of interpolated frame after_fid = data[1] frame_index = data[2] self._show_direct_interpolation_preview(after_fid, frame_index) return # Sync source list selection so the trim slider shows this frame's folder fid = current.data(0, Qt.ItemDataRole.UserRole + 2) if fid is not None: self._select_folder_in_lists(fid) frame_type = data[4] if len(data) > 4 else 'symlink' # For blend frames, generate cross-dissolve preview if frame_type == 'blend' and data0 and data1: self._show_blend_preview(current, data0, data1) else: # Regular frame - just show the image source_dir, filename = data[0], data[1] image_path = source_dir / filename if not image_path.exists(): self.image_label.setText(f"Image not found:\n{image_path}") self.image_name_label.setText("") self._current_pixmap = None return pixmap = QPixmap(str(image_path)) if pixmap.isNull(): self.image_label.setText(f"Cannot load image:\n{image_path}") self.image_name_label.setText("") self._current_pixmap = None return self._current_pixmap = pixmap self._apply_zoom() # Update labels row_idx = self.sequence_table.indexOfTopLevelItem(current) total = self.sequence_table.topLevelItemCount() self.image_index_label.setText(f"{row_idx + 1} / {total}") # Use continuous format for transitions, folder-based for regular export if self.transition_group.isChecked() and len(data) > 5 and data[5] >= 0: seq_name = f"seq_{data[5]:05d}" else: seq_name = f"seq{data[2] + 1:02d}_{data[3]:04d}" self.image_name_label.setText(f"{seq_name} ({filename})") def _on_sequence_table_clicked(self, item, column: int) -> None: """Handle clicks on sequence table items, including non-selectable ones.""" if item is None: return data = item.data(0, Qt.ItemDataRole.UserRole) if not data: return # Handle direct interpolation rows if isinstance(data, tuple) and len(data) >= 2: if data[0] == 'direct_add': # Clicked on "+" row to add direct transition self._show_direct_transition_dialog(data[1]) elif data[0] == 'direct_header': # Clicked on configured direct transition header self._show_direct_transition_dialog(data[1]) elif data[0] == 'direct_placeholder': # Clicked on placeholder row - show preview of interpolated frame after_fid = data[1] frame_index = data[2] self._show_direct_interpolation_preview(after_fid, frame_index) def _show_blend_preview(self, item, data0, data1) -> None: """Show a cross-dissolve preview for a blend frame.""" from PIL import Image from PIL.ImageQt import ImageQt # Get source paths main_dir, main_file = data0[0], data0[1] trans_dir, trans_file = data1[0], data1[1] main_path = main_dir / main_file trans_path = trans_dir / trans_file if not main_path.exists() or not trans_path.exists(): self.image_label.setText(f"Image not found") self.image_name_label.setText("") self._current_pixmap = None return try: # Calculate blend factor based on position in sequence table # Find this frame's position in the blend sequence row_idx = self.sequence_table.indexOfTopLevelItem(item) total = self.sequence_table.topLevelItemCount() # Count blend frames to determine factor blend_start = -1 blend_count = 0 blend_position = 0 for i in range(total): check_item = self.sequence_table.topLevelItem(i) check_data = check_item.data(0, Qt.ItemDataRole.UserRole) if check_data and len(check_data) > 4 and check_data[4] == 'blend': # Check if same transition (same trans folder) check_trans = check_item.data(1, Qt.ItemDataRole.UserRole) if check_trans and check_trans[0] == trans_dir: if blend_start < 0: blend_start = i blend_count += 1 if i == row_idx: blend_position = blend_count - 1 # Calculate factor if blend_count > 1: factor = blend_position / (blend_count - 1) else: factor = 0.5 # Apply curve from settings settings = self._get_transition_settings() from core import ImageBlender factor = ImageBlender.calculate_blend_factor( blend_position, blend_count, settings.blend_curve ) # Create cache key (include method-specific settings) cache_key = f"{main_path}|{trans_path}|{factor:.6f}|{settings.blend_method.value}|{settings.blend_curve.value}" if settings.blend_method == BlendMethod.RIFE: cache_key += f"|{settings.rife_model}|{settings.rife_uhd}|{settings.rife_tta}" elif settings.blend_method == BlendMethod.OPTICAL_FLOW: cache_key += f"|{settings.of_levels}|{settings.of_winsize}|{settings.of_iterations}|{settings.of_poly_n}|{settings.of_poly_sigma}" # Check cache first if cache_key in self._blend_preview_cache: pixmap = self._blend_preview_cache[cache_key] else: # Load images img_a = Image.open(main_path) img_b = Image.open(trans_path) # Resize B to match A if needed if img_a.size != img_b.size: img_b = img_b.resize(img_a.size, Image.Resampling.LANCZOS) # Convert to RGBA if img_a.mode != 'RGBA': img_a = img_a.convert('RGBA') if img_b.mode != 'RGBA': img_b = img_b.convert('RGBA') # Blend images using selected method if settings.blend_method == BlendMethod.OPTICAL_FLOW: blended = ImageBlender.optical_flow_blend( img_a, img_b, factor, levels=settings.of_levels, winsize=settings.of_winsize, iterations=settings.of_iterations, poly_n=settings.of_poly_n, poly_sigma=settings.of_poly_sigma ) elif settings.blend_method == BlendMethod.RIFE: blended = ImageBlender.rife_blend( img_a, img_b, factor, settings.rife_binary_path, model=settings.rife_model, uhd=settings.rife_uhd, tta=settings.rife_tta ) elif settings.blend_method == BlendMethod.RIFE_PRACTICAL: blended = ImageBlender.practical_rife_blend( img_a, img_b, factor, settings.practical_rife_model, settings.practical_rife_ensemble ) else: blended = Image.blend(img_a, img_b, factor) # Convert to QPixmap qim = ImageQt(blended.convert('RGBA')) pixmap = QPixmap.fromImage(qim) # Store in cache self._blend_preview_cache[cache_key] = pixmap img_a.close() img_b.close() self._current_pixmap = pixmap self._apply_zoom() # Update labels self.image_index_label.setText(f"{row_idx + 1} / {total}") # Use continuous format for blend frames (always with transitions) output_seq_num = data0[5] if len(data0) > 5 else row_idx seq_name = f"seq_{output_seq_num:05d}" self.image_name_label.setText(f"[B] {seq_name} ({main_file} + {trans_file}) @ {factor:.0%}") except Exception as e: self.image_label.setText(f"Error generating blend preview:\n{e}") self.image_name_label.setText("") self._current_pixmap = None def _show_direct_interpolation_preview(self, after_fid: int, frame_index: int) -> None: """Generate and show a preview for a direct interpolation placeholder frame. For RIFE: Generates one frame at a time (RIFE handles arbitrary timesteps well). For FILM: Generates ALL frames at once on first click (FILM works best this way), then caches all frames for instant subsequent access. Args: after_fid: The folder entry ID after which the interpolation occurs. frame_index: The index of the interpolated frame (0-based). """ from PIL import Image from PIL.ImageQt import ImageQt from core import ImageBlender # Get direct transition settings direct_settings = self._direct_transitions.get(after_fid) if not direct_settings or not direct_settings.enabled: self.image_label.setText("Direct interpolation not configured") self.image_name_label.setText("") self._current_pixmap = None return # Find the folder index and next folder if after_fid not in self._folder_ids: self.image_label.setText("Folder not found in sequence") self.image_name_label.setText("") self._current_pixmap = None return folder_idx = self._folder_ids.index(after_fid) after_folder = self.source_folders[folder_idx] if folder_idx >= len(self.source_folders) - 1: self.image_label.setText("No next folder for interpolation") self.image_name_label.setText("") self._current_pixmap = None return next_folder = self.source_folders[folder_idx + 1] next_fid = self._folder_ids[folder_idx + 1] # Get files for both folders keyed by fid files = self._get_files_in_order() files_by_fid: dict[int, list[str]] = {} for source_dir, filename, f_idx, file_idx, fid in files: if fid not in files_by_fid: files_by_fid[fid] = [] files_by_fid[fid].append(filename) after_files = files_by_fid.get(after_fid, []) next_files = files_by_fid.get(next_fid, []) if not after_files or not next_files: self.image_label.setText("Missing frames for interpolation") self.image_name_label.setText("") self._current_pixmap = None return # Get last frame of after_folder and first frame of next_folder last_frame_path = after_folder / after_files[-1] first_frame_path = next_folder / next_files[0] if not last_frame_path.exists() or not first_frame_path.exists(): self.image_label.setText(f"Frame files not found") self.image_name_label.setText("") self._current_pixmap = None return # Calculate timestep frame_count = direct_settings.frame_count t = (frame_index + 1) / (frame_count + 1) # Evenly spaced between 0 and 1 # Create cache key - include frame_count so changing count invalidates cache cache_key = f"direct|{after_fid}|{frame_index}|{direct_settings.method.value}|{frame_count}" try: # Check cache first if cache_key in self._blend_preview_cache: pixmap = self._blend_preview_cache[cache_key] elif direct_settings.method == DirectInterpolationMethod.FILM and FilmEnv.is_setup(): # FILM: Generate ALL frames at once for better quality # Check if we need to generate (first frame not cached means none are) first_cache_key = f"direct|{after_fid}|0|{direct_settings.method.value}|{frame_count}" if first_cache_key not in self._blend_preview_cache: # Generate all frames at once error_msg = self._generate_all_film_preview_frames( after_fid, last_frame_path, first_frame_path, frame_count ) if error_msg: # Error already displayed in image_label by the method self._current_pixmap = None return # Now retrieve the specific frame from cache if cache_key in self._blend_preview_cache: pixmap = self._blend_preview_cache[cache_key] else: # Fallback if batch generation failed self.image_label.setText("FILM batch generation failed - check console for details") self.image_name_label.setText("") self._current_pixmap = None return else: # RIFE (or FILM not set up): Generate one frame at a time # Load images img_a = Image.open(last_frame_path) img_b = Image.open(first_frame_path) # Resize B to match A if needed if img_a.size != img_b.size: img_b = img_b.resize(img_a.size, Image.Resampling.LANCZOS) # Convert to RGBA if img_a.mode != 'RGBA': img_a = img_a.convert('RGBA') if img_b.mode != 'RGBA': img_b = img_b.convert('RGBA') # Generate interpolated frame if direct_settings.method == DirectInterpolationMethod.FILM: # FILM not set up, use fallback blended = ImageBlender.film_blend(img_a, img_b, t) else: # RIFE settings = self._get_transition_settings() blended = ImageBlender.practical_rife_blend( img_a, img_b, t, settings.practical_rife_model, settings.practical_rife_ensemble ) # Convert to QPixmap qim = ImageQt(blended.convert('RGBA')) pixmap = QPixmap.fromImage(qim) # Store in cache self._blend_preview_cache[cache_key] = pixmap img_a.close() img_b.close() self._current_pixmap = pixmap self._apply_zoom() # Update labels method_name = direct_settings.method.value.upper() self.image_name_label.setText( f"[{method_name} {frame_index + 1}/{frame_count}] @ t={t:.2f}" ) # Find the item index in the table for image_index_label for i in range(self.sequence_table.topLevelItemCount()): item = self.sequence_table.topLevelItem(i) item_data = item.data(0, Qt.ItemDataRole.UserRole) if (isinstance(item_data, tuple) and len(item_data) >= 3 and item_data[0] == 'direct_placeholder' and item_data[1] == after_fid and item_data[2] == frame_index): total = self.sequence_table.topLevelItemCount() self.image_index_label.setText(f"{i + 1} / {total}") break except Exception as e: self.image_label.setText(f"Error generating interpolation preview:\n{e}") self.image_name_label.setText("") self._current_pixmap = None def _generate_all_film_preview_frames( self, after_fid: int, last_frame_path: Path, first_frame_path: Path, frame_count: int ) -> Optional[str]: """Generate all FILM preview frames at once and cache them. FILM works best when generating all frames at once using its recursive approach. This method generates all frames and stores them in the preview cache. Args: after_fid: The folder entry ID after which the interpolation occurs. last_frame_path: Path to the last frame of the current sequence. first_frame_path: Path to the first frame of the next sequence. frame_count: Number of frames to generate. Returns: None on success, error message string on failure. """ from PIL import Image from PIL.ImageQt import ImageQt import tempfile # Show progress dialog progress = QProgressDialog( f"Generating {frame_count} FILM frames...", "Cancel", 0, 100, self ) progress.setWindowTitle("FILM Interpolation") progress.setWindowModality(Qt.WindowModality.WindowModal) progress.setMinimumDuration(0) progress.setValue(10) QApplication.processEvents() try: # Use a temp directory for FILM batch output with tempfile.TemporaryDirectory() as tmpdir: tmp_path = Path(tmpdir) progress.setLabelText("Running FILM batch interpolation...") progress.setValue(20) QApplication.processEvents() # Run batch interpolation success, error, output_paths = FilmEnv.run_batch_interpolation( last_frame_path, first_frame_path, tmp_path, frame_count, 'frame_{:04d}.png' ) if not success: progress.close() error_msg = f"FILM error: {error}" self.image_label.setText(error_msg) self.image_name_label.setText("") return error_msg progress.setLabelText("Loading generated frames...") progress.setValue(70) QApplication.processEvents() # Load all frames and cache them for i, output_path in enumerate(output_paths): if progress.wasCanceled(): break if output_path.exists(): frame = Image.open(output_path) qim = ImageQt(frame.convert('RGBA')) pixmap = QPixmap.fromImage(qim) # Cache with the standard key format (include frame_count) cache_key = f"direct|{after_fid}|{i}|film|{frame_count}" self._blend_preview_cache[cache_key] = pixmap frame.close() # Update progress pct = 70 + int(30 * (i + 1) / frame_count) progress.setValue(pct) QApplication.processEvents() progress.close() return None # Success except Exception as e: progress.close() error_msg = f"FILM batch error: {e}" self.image_label.setText(error_msg) self.image_name_label.setText("") return error_msg def _update_timeline_display(self) -> None: """Update the timeline duration display based on frame count and FPS.""" frame_count = self.sequence_table.topLevelItemCount() fps = self.fps_spin.value() if fps > 0 and frame_count > 0: total_seconds = frame_count / fps minutes = int(total_seconds // 60) seconds = total_seconds % 60 self.timeline_label.setText( f"Duration: {minutes:02d}:{seconds:06.3f} ({frame_count} frames @ {fps}fps)" ) else: self.timeline_label.setText("Duration: 00:00.000 (0 frames)") # Refresh the sequence table to update timeline background self.sequence_table.viewport().update() def _toggle_sequence_play(self) -> None: """Toggle sequence playback.""" if self.sequence_playing: self._stop_sequence_play() else: self._start_sequence_play() def _start_sequence_play(self) -> None: """Start playing the image sequence.""" if self.sequence_table.topLevelItemCount() == 0: return fps = self.fps_spin.value() interval = int(1000 / fps) # milliseconds per frame self.sequence_timer.setInterval(interval) self.sequence_timer.start() self.sequence_playing = True self.seq_play_btn.setText("⏸ Pause") # If no item selected, start from first if self.sequence_table.currentItem() is None: first_item = self.sequence_table.topLevelItem(0) if first_item: self.sequence_table.setCurrentItem(first_item) def _stop_sequence_play(self) -> None: """Stop sequence playback.""" self.sequence_timer.stop() self.sequence_playing = False self.seq_play_btn.setText("▶ Play") def _advance_sequence_frame(self) -> None: """Advance to next frame in sequence.""" current_item = self.sequence_table.currentItem() if current_item is None: self._stop_sequence_play() return current_idx = self.sequence_table.indexOfTopLevelItem(current_item) total = self.sequence_table.topLevelItemCount() # Find next valid frame (skip direct_add and direct_header rows) next_idx = current_idx + 1 while next_idx < total: next_item = self.sequence_table.topLevelItem(next_idx) data = next_item.data(0, Qt.ItemDataRole.UserRole) # Skip non-frame rows (direct_add, direct_header) if isinstance(data, tuple) and len(data) >= 1 and data[0] in ('direct_add', 'direct_header'): next_idx += 1 continue # Found a valid frame self.sequence_table.setCurrentItem(next_item) return # Reached end - stop playback self._stop_sequence_play() def _browse_trans_destination(self) -> None: """Select transition destination folder via file dialog.""" start_dir = self.last_directory or "" path = QFileDialog.getExistingDirectory( self, "Select Transition Destination Folder", start_dir ) if path: self._add_to_path_history(self.trans_dst_path, path) self.last_directory = str(Path(path).parent) def _add_source_folder( self, folder_path: Optional[str] = None, folder_type: Optional[FolderType] = None, insert_index: Optional[int] = None, ) -> None: """Add a source folder via file dialog or direct path. Args: folder_path: Path string, or None to open a file dialog. folder_type: Explicit type override (MAIN/TRANSITION). None = position-based. insert_index: Position in source_folders to insert at. None = append. """ if folder_path and not isinstance(folder_path, str): folder_path = None if folder_path: path = folder_path else: start_dir = self.last_directory or "" path = QFileDialog.getExistingDirectory( self, "Select Source Folder", start_dir ) if path: folder = Path(path).resolve() if folder.is_dir(): fid = self._allocate_folder_id() if insert_index is not None and 0 <= insert_index <= len(self.source_folders): # Pin effective types for all folders at/after the insert point # so the index shift doesn't flip their position-based types. for j in range(insert_index, len(self.source_folders)): jfid = self._folder_ids[j] if jfid not in self._folder_type_overrides: self._folder_type_overrides[jfid] = self._get_effective_folder_type(j, self.source_folders[j]) self.source_folders.insert(insert_index, folder) self._folder_ids.insert(insert_index, fid) else: self.source_folders.append(folder) self._folder_ids.append(fid) if folder_type is not None and folder_type != FolderType.AUTO: self._folder_type_overrides[fid] = folder_type self.last_directory = str(folder.parent) self._sync_dual_lists() self._refresh_files() self._update_flow_arrows() def _sync_dual_lists(self) -> None: """Synchronize the source list with source_folders. Single unified list where: - Odd positions (1, 3, 5...) = Main [M] folders - Even positions (2, 4, 6...) = Transition [T] folders """ self.source_list.clear() # Calculate common prefix to compress paths common_prefix = "" if len(self.source_folders) > 1: paths = [str(f) for f in self.source_folders] # Find common prefix common_prefix = os.path.commonpath(paths) if paths else "" # Only use prefix if it's a meaningful directory (not just "/") if len(common_prefix) <= 1: common_prefix = "" main_folder_indices = self._get_main_folder_indices() sub_indices = self._get_main_folder_sub_indices() num_folders = len(self.source_folders) for i, folder in enumerate(self.source_folders): fid = self._folder_ids[i] folder_type = self._get_effective_folder_type(i, folder) # Get per-transition settings if available pts = self._per_transition_settings.get(fid) overlap_text = "" if pts and folder_type == FolderType.TRANSITION: overlap_text = f" [L:{pts.left_overlap} R:{pts.right_overlap}]" # Type indicator with sub-sequence label for split folders sub_idx = sub_indices.get(fid, 0) if sub_idx > 0 and folder_type == FolderType.MAIN: base_idx = main_folder_indices.get(fid, 0) type_tag = f"[M{base_idx + 1}-{sub_idx}]" else: type_tag = "[M]" if folder_type == FolderType.MAIN else "[T]" # Compress path if common prefix exists if common_prefix: display_path = "[...]" + str(folder)[len(common_prefix):] else: display_path = str(folder) # Show path with index and type display_name = f"{i+1}. {type_tag} {display_path}{overlap_text}" item = QListWidgetItem(display_name) item.setData(Qt.ItemDataRole.UserRole, (folder, fid)) item.setToolTip(str(folder)) # Full path on hover # Color and alignment: Main = left/default, Transition = right/purple if folder_type == FolderType.TRANSITION: item.setForeground(QColor(155, 89, 182)) item.setTextAlignment(Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignVCenter) self.source_list.addItem(item) # After a MAIN folder, insert a placeholder if the next folder is not TRANSITION if folder_type == FolderType.MAIN: next_is_transition = False if i + 1 < num_folders: next_type = self._get_effective_folder_type( i + 1, self.source_folders[i + 1] ) next_is_transition = (next_type == FolderType.TRANSITION) if not next_is_transition: ph = QListWidgetItem(" [T] (click or drop to add transition)") ph.setData(Qt.ItemDataRole.UserRole, None) ph.setData(Qt.ItemDataRole.UserRole + 1, i + 1) # insert index ph.setForeground(QColor(130, 130, 130)) font = ph.font() font.setItalic(True) ph.setFont(font) ph.setTextAlignment( Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignVCenter ) ph.setFlags( Qt.ItemFlag.ItemIsEnabled | Qt.ItemFlag.ItemIsSelectable ) self.source_list.addItem(ph) def _get_effective_folder_type(self, index: int, folder: Path) -> FolderType: """Get the effective folder type considering overrides.""" if index < len(self._folder_ids): fid = self._folder_ids[index] if fid in self._folder_type_overrides: override = self._folder_type_overrides[fid] if override != FolderType.AUTO: return override return FolderType.MAIN if index % 2 == 0 else FolderType.TRANSITION def _is_placeholder_item(self, item: QListWidgetItem) -> bool: """Return True if the item is a transition placeholder slot.""" if item is None: return False return ( item.data(Qt.ItemDataRole.UserRole) is None and item.data(Qt.ItemDataRole.UserRole + 1) is not None ) def _get_placeholder_insert_index(self, item: QListWidgetItem) -> Optional[int]: """Return the source_folders insert index stored on a placeholder item, or None.""" if item is None: return None idx = item.data(Qt.ItemDataRole.UserRole + 1) return int(idx) if idx is not None else None def _get_main_folder_indices(self) -> dict[int, int]: """Return a map from each MAIN folder's fid to its MAIN-only sequence index. Transition folders are excluded so that inserting or removing a transition never changes the seq numbers of existing MAIN folders. Consecutive MAIN folders with the same resolved path (split sequences) share the same base index so that splitting doesn't shift subsequent sequence numbers. """ indices: dict[int, int] = {} main_count = 0 last_main_resolved: Optional[str] = None for i, folder in enumerate(self.source_folders): if self._get_effective_folder_type(i, folder) == FolderType.MAIN: fid = self._folder_ids[i] resolved = str(folder.resolve()) if last_main_resolved is not None and resolved != last_main_resolved: main_count += 1 indices[fid] = main_count last_main_resolved = resolved return indices def _get_main_folder_sub_indices(self) -> dict[int, int]: """Return sub-index for each MAIN folder's fid. Returns 0 for non-split folders. For consecutive MAIN folders sharing the same resolved path (split), returns 1, 2, ... so they can be labelled seq01-1, seq01-2, etc. """ sub_indices: dict[int, int] = {} last_main_resolved: Optional[str] = None group_fids: list[int] = [] def _finalize_group(): if len(group_fids) > 1: for j, gfid in enumerate(group_fids): sub_indices[gfid] = j + 1 elif group_fids: sub_indices[group_fids[0]] = 0 for i, folder in enumerate(self.source_folders): if self._get_effective_folder_type(i, folder) == FolderType.MAIN: fid = self._folder_ids[i] resolved = str(folder.resolve()) if resolved == last_main_resolved: group_fids.append(fid) else: _finalize_group() group_fids = [fid] last_main_resolved = resolved _finalize_group() return sub_indices def _update_flow_arrows(self) -> None: """Update visual indicators.""" pass def _get_selected_folder(self) -> Optional[tuple[Path, int]]: """Get the currently selected folder and its index in source_folders.""" selected = self.source_list.selectedItems() if selected: data = selected[0].data(Qt.ItemDataRole.UserRole) if data is not None and isinstance(data, tuple) and len(data) == 2: folder, fid = data if fid in self._folder_ids: return folder, self._folder_ids.index(fid) return None def _move_folder_up(self) -> None: """Move the selected folder up in the sequence.""" result = self._get_selected_folder() if result is None: return folder, idx = result if idx > 0: fid_a = self._folder_ids[idx] fid_b = self._folder_ids[idx - 1] type_a = self._get_effective_folder_type(idx, folder) type_b = self._get_effective_folder_type(idx - 1, self.source_folders[idx - 1]) self.source_folders[idx], self.source_folders[idx - 1] = self.source_folders[idx - 1], folder self._folder_ids[idx], self._folder_ids[idx - 1] = fid_b, fid_a self._folder_type_overrides[fid_a] = type_a self._folder_type_overrides[fid_b] = type_b self._sync_dual_lists() self._refresh_files() self._update_flow_arrows() self._select_folder_in_lists(fid_a) def _move_folder_down(self) -> None: """Move the selected folder down in the sequence.""" result = self._get_selected_folder() if result is None: return folder, idx = result if idx < len(self.source_folders) - 1: fid_a = self._folder_ids[idx] fid_b = self._folder_ids[idx + 1] type_a = self._get_effective_folder_type(idx, folder) type_b = self._get_effective_folder_type(idx + 1, self.source_folders[idx + 1]) self.source_folders[idx], self.source_folders[idx + 1] = self.source_folders[idx + 1], folder self._folder_ids[idx], self._folder_ids[idx + 1] = fid_b, fid_a self._folder_type_overrides[fid_a] = type_a self._folder_type_overrides[fid_b] = type_b self._sync_dual_lists() self._refresh_files() self._update_flow_arrows() self._select_folder_in_lists(fid_a) def _select_folder_in_lists(self, fid: int) -> None: """Select a folder in the source list widget by its entry ID.""" for i in range(self.source_list.count()): item = self.source_list.item(i) data = item.data(Qt.ItemDataRole.UserRole) if isinstance(data, tuple) and len(data) == 2 and data[1] == fid: self.source_list.setCurrentItem(item) return def _remove_source_folder(self) -> None: """Remove selected source folder(s), preserving sequence order of remaining files.""" result = self._get_selected_folder() if result is None: return folder, idx = result fid = self._folder_ids[idx] if fid in self._folder_type_overrides: del self._folder_type_overrides[fid] if fid in self._per_transition_settings: del self._per_transition_settings[fid] if fid in self._folder_trim_settings: del self._folder_trim_settings[fid] if fid in self._folder_file_counts: del self._folder_file_counts[fid] if fid in self._removed_files: del self._removed_files[fid] if fid in self._direct_transitions: del self._direct_transitions[fid] del self.source_folders[idx] del self._folder_ids[idx] self._sync_dual_lists() # Remove only files from the deleted folder, preserving order of others self._remove_files_from_folder(folder) # Renumber sequence names to reflect new folder indices self._recalculate_sequence_names() # Update the sequence table (With Transitions tab) self._update_sequence_table() self._update_export_range_max() self._update_flow_arrows() def _replace_source_folder(self, old_folder: Path, idx: int) -> None: """Replace a source folder with a new one, preserving edits. Keeps: folder type override, trim settings, per-transition settings, removed files set, direct transition settings, and position in list. The fid stays the same — all settings keyed by fid are preserved automatically. """ start_dir = str(old_folder.parent) if old_folder.exists() else (self.last_directory or "") path = QFileDialog.getExistingDirectory( self, "Select Replacement Folder", start_dir ) if not path: return new_folder = Path(path).resolve() if new_folder == old_folder: return # Keep same fid — settings are keyed by fid, not path fid = self._folder_ids[idx] self.source_folders[idx] = new_folder # Update per-transition settings folder reference if fid in self._per_transition_settings: pts = self._per_transition_settings[fid] self._per_transition_settings[fid] = PerTransitionSettings( trans_folder=new_folder, left_overlap=pts.left_overlap, right_overlap=pts.right_overlap, ) # Clear file counts since the folder content changed if fid in self._folder_file_counts: del self._folder_file_counts[fid] self.last_directory = str(new_folder.parent) self._sync_dual_lists() self._refresh_files() self._update_flow_arrows() def _remove_files_from_folder(self, folder: Path) -> None: """Remove all files from a specific folder without affecting order of other files.""" folder_str = str(folder) rows_to_remove = [] for i in range(self.file_list.topLevelItemCount()): item = self.file_list.topLevelItem(i) if item and item.text(2) == folder_str: rows_to_remove.append(i) # Remove in reverse order to preserve indices for row in reversed(rows_to_remove): self.file_list.takeTopLevelItem(row) # Clean up separators (remove consecutive or leading/trailing separators) self._cleanup_separators() # Update slider range total = self.file_list.topLevelItemCount() self.image_slider.setRange(0, max(0, total - 1)) def _cleanup_separators(self) -> None: """Remove unnecessary separators (consecutive, leading, or trailing).""" rows_to_remove = [] prev_was_separator = True # Treat start as "separator" to remove leading ones for i in range(self.file_list.topLevelItemCount()): item = self.file_list.topLevelItem(i) is_separator = self._is_separator_item(item) if is_separator and prev_was_separator: rows_to_remove.append(i) prev_was_separator = is_separator # Check if last item is a separator if self.file_list.topLevelItemCount() > 0: last_item = self.file_list.topLevelItem(self.file_list.topLevelItemCount() - 1) if self._is_separator_item(last_item): last_idx = self.file_list.topLevelItemCount() - 1 if last_idx not in rows_to_remove: rows_to_remove.append(last_idx) # Remove in reverse order for row in sorted(rows_to_remove, reverse=True): self.file_list.takeTopLevelItem(row) def _remove_selected_files(self) -> None: """Remove selected files from the file list. Files contiguous from the start/end of the trimmed range adjust the trim handles so they can be restored by dragging the slider back. Files removed from the middle are tracked as individual removals. """ selected = self.file_list.selectedItems() if not selected: return # Group selected filenames by fid removed_by_fid: dict[int, set[str]] = {} for item in selected: data = item.data(0, Qt.ItemDataRole.UserRole) if data: filename = data[1] fid = item.data(0, Qt.ItemDataRole.UserRole + 2) or 0 removed_by_fid.setdefault(fid, set()).add(filename) # For each fid, convert edge removals into trim adjustments for fid, filenames in removed_by_fid.items(): idx = self._folder_ids.index(fid) if fid in self._folder_ids else -1 if idx < 0: continue folder = self.source_folders[idx] trimmed = self._get_trimmed_file_list(fid, folder) already_removed = self._removed_files.get(fid, set()) # Effective list: trimmed minus already-removed effective = [f for f in trimmed if f not in already_removed] if not effective: continue # Count contiguous removals from start start_bump = 0 for f in effective: if f in filenames: start_bump += 1 else: break # Count contiguous removals from end end_bump = 0 for f in reversed(effective): if f in filenames: end_bump += 1 else: break # Avoid double-counting if all files are removed if start_bump + end_bump > len(effective): start_bump = len(effective) end_bump = 0 edge_files = set() if start_bump > 0: edge_files.update(effective[:start_bump]) if end_bump > 0: edge_files.update(effective[-end_bump:]) # Adjust trim settings for edge removals if start_bump > 0 or end_bump > 0: trim_start, trim_end = self._folder_trim_settings.get(fid, (0, 0)) self._folder_trim_settings[fid] = (trim_start + start_bump, trim_end + end_bump) # Remaining removals (middle) go to _removed_files middle_files = filenames - edge_files if middle_files: if fid not in self._removed_files: self._removed_files[fid] = set() self._removed_files[fid].update(middle_files) self._refresh_files() self._update_sequence_table() def _get_path_history_file(self) -> Path: """Get the path to the history JSON file.""" cache_dir = Path.home() / '.cache' / 'video-montage-linker' cache_dir.mkdir(parents=True, exist_ok=True) return cache_dir / 'path_history.json' def _load_path_history(self) -> None: """Load path history from disk and populate combo boxes.""" history_file = self._get_path_history_file() if not history_file.exists(): return try: with open(history_file, 'r') as f: history = json.load(f) # Populate destination combo dst_history = history.get('destination', []) for path in dst_history: if Path(path).exists(): self.dst_path.addItem(path) # Populate transition destination combo trans_history = history.get('transition', []) for path in trans_history: if Path(path).exists(): self.trans_dst_path.addItem(path) except (json.JSONDecodeError, IOError): pass def _save_path_history(self) -> None: """Save path history to disk.""" history_file = self._get_path_history_file() # Collect paths from combo boxes dst_paths = [self.dst_path.itemText(i) for i in range(self.dst_path.count())] trans_paths = [self.trans_dst_path.itemText(i) for i in range(self.trans_dst_path.count())] history = { 'destination': dst_paths, 'transition': trans_paths } try: with open(history_file, 'w') as f: json.dump(history, f, indent=2) except IOError: pass def _add_to_path_history(self, combo: QComboBox, path: str, max_items: int = 10) -> None: """Add a path to the combo box history if not already present.""" if not path: return # Normalize path path = str(Path(path).resolve()) # Check if already in list for i in range(combo.count()): if combo.itemText(i) == path: # Move to top if not already there if i > 0: combo.removeItem(i) combo.insertItem(0, path) combo.setCurrentIndex(0) return # Add to top of list combo.insertItem(0, path) combo.setCurrentIndex(0) # Trim to max items while combo.count() > max_items: combo.removeItem(combo.count() - 1) # Save history self._save_path_history() def _browse_destination(self) -> None: """Select destination folder via file dialog.""" start_dir = self.last_directory or "" path = QFileDialog.getExistingDirectory( self, "Select Destination Folder", start_dir ) if path: self._add_to_path_history(self.dst_path, path) self.last_directory = str(Path(path).parent) self._try_resume_session(path) def _on_destination_changed(self) -> None: """Handle destination path text field changes.""" path = self.dst_path.currentText().strip() if path and Path(path).is_dir(): resolved = str(Path(path).resolve()) # Add to history if it's a valid directory self._add_to_path_history(self.dst_path, path) if resolved != self._last_resumed_dest: self._try_resume_session(path) def _try_resume_session(self, dest_path: str) -> bool: """Try to resume the latest session for the given destination.""" dest = Path(dest_path).resolve() dest_str = str(dest) self._last_resumed_dest = dest_str sessions = self.db.get_sessions_by_destination(dest_str) if not sessions: return False return self._restore_session_by_id(sessions[0]) def _restore_session_by_id(self, session: 'SessionRecord', silent: bool = False) -> bool: """Restore a specific session by its record. Args: session: The SessionRecord to restore. silent: If True, don't show the summary dialog. Returns: True if session was restored successfully. """ symlinks = self.db.get_symlinks_by_session(session.id) ordered_folders = self.db.get_ordered_folders(session.id) db_folder_settings = self.db.get_all_folder_settings(session.id) db_transition_settings = self.db.get_transition_settings(session.id) db_per_trans_settings = self.db.get_all_per_transition_settings(session.id) db_removed_files = self.db.get_removed_files(session.id) db_direct_transitions = self.db.get_direct_transitions(session.id) if not symlinks and not ordered_folders and not db_folder_settings: if not silent: QMessageBox.warning(self, "Empty Session", "This session has no data.") return False # Build file data from symlink records (only MAIN folders have these) # Pattern for new continuous format: seq_00000 continuous_pattern = re.compile(r'seq_(\d+)') # Pattern for old folder-based format: seq01_0000 folder_pattern = re.compile(r'seq(\d+)_(\d+)') folder_data: dict[str, tuple[int, list[tuple[int, str]]]] = {} folder_first_seq: dict[str, int] = {} missing_count = 0 _folder_exists_cache: dict[str, bool] = {} for link in symlinks: source_path = Path(link.source_path) folder = str(source_path.parent) if folder not in _folder_exists_cache: _folder_exists_cache[folder] = Path(folder).is_dir() if not _folder_exists_cache[folder]: missing_count += 1 continue link_name = Path(link.link_path).stem match = continuous_pattern.match(link_name) if match: seq_num = int(match.group(1)) if folder not in folder_first_seq: folder_first_seq[folder] = seq_num file_idx = seq_num else: match = folder_pattern.match(link_name) if match: folder_idx_from_name = int(match.group(1)) - 1 file_idx = int(match.group(2)) if folder not in folder_first_seq: folder_first_seq[folder] = folder_idx_from_name * 10000 + file_idx else: file_idx = link.sequence_number if folder not in folder_first_seq: folder_first_seq[folder] = file_idx if folder not in folder_data: folder_data[folder] = (0, []) folder_data[folder][1].append((file_idx, link.original_filename)) # Renumber files within each folder for folder in folder_data: sort_key = folder_first_seq.get(folder, 0) file_list = folder_data[folder][1] file_list.sort(key=lambda x: x[0]) renumbered = [(i, fname) for i, (_, fname) in enumerate(file_list)] folder_data[folder] = (sort_key, renumbered) # Use ordered_folders as the authoritative folder list (includes TRANSITION). # Fall back to folder_data ordering for old sessions without folder_order. self.source_folders.clear() self._folder_ids.clear() self._next_folder_id = 1 self.source_list.clear() self._folder_trim_settings.clear() self._folder_type_overrides.clear() self._per_transition_settings.clear() self._removed_files.clear() self._direct_transitions.clear() # Build resolved-path lookup for folder_data, db_per_trans_settings, # and db_removed_files. Symlink source paths in the DB are resolved, # but ordered_folders / per-trans / removed paths may be unresolved # (old sessions) or resolved (new sessions). We try both forms. def _resolve_lookup(key: str, mapping: dict) -> str | None: """Find key in mapping, trying both raw and resolved forms.""" if key in mapping: return key resolved = str(Path(key).resolve()) if resolved in mapping: return resolved return None # db_per_trans_settings is now list of (trans_folder, left, right, folder_order) # Build a lookup by folder_order for new sessions db_per_trans_by_order: dict[int, tuple[str, int, int]] = {} for trans_folder, left, right, fo in db_per_trans_settings: db_per_trans_by_order[fo] = (trans_folder, left, right) # db_removed_files is now dict[int, set[str]] keyed by folder_order # db_direct_transitions is now list of (after_folder, frame_count, method, enabled, folder_order) db_direct_by_order: dict[int, tuple[str, int, str, bool]] = {} for after_folder_str, frame_count, method_str, enabled, fo in db_direct_transitions: db_direct_by_order[fo] = (after_folder_str, frame_count, method_str, enabled) if ordered_folders: # New path: ordered_folders has every folder in saved order main_idx = 0 seen_resolved: set[str] = set() for position_idx, (folder_str, folder_type, trim_start, trim_end) in enumerate(ordered_folders): folder_path = Path(folder_str) # Resolve symlinks for consistent path matching if not folder_path.exists(): continue folder_path = folder_path.resolve() resolved_str = str(folder_path) fid = self._allocate_folder_id() self.source_folders.append(folder_path) self._folder_ids.append(fid) self.source_list.addItem(resolved_str) seen_resolved.add(resolved_str) if trim_start > 0 or trim_end > 0: self._folder_trim_settings[fid] = (trim_start, trim_end) # Always set explicit type override so position-based index%2 # fallback never silently flips a folder's type after reordering # or transition insertion. AUTO defaults to MAIN (safe for # legacy sessions that pre-date the type system). if folder_type != FolderType.AUTO: self._folder_type_overrides[fid] = folder_type else: self._folder_type_overrides[fid] = FolderType.MAIN # Per-transition settings by folder_order if position_idx in db_per_trans_by_order: tf, left, right = db_per_trans_by_order[position_idx] self._per_transition_settings[fid] = PerTransitionSettings( trans_folder=folder_path, left_overlap=left, right_overlap=right ) # Removed files by folder_order if position_idx in db_removed_files: self._removed_files[fid] = db_removed_files[position_idx] # Direct transitions by folder_order if position_idx in db_direct_by_order: af_str, fc, ms, en = db_direct_by_order[position_idx] try: method = DirectInterpolationMethod(ms) except ValueError: method = DirectInterpolationMethod.FILM self._direct_transitions[fid] = DirectTransitionSettings( after_folder=folder_path, frame_count=fc, method=method, enabled=en, ) # Assign folder_data index for MAIN folders used by _restore_files_from_session effective_type = folder_type if folder_type != FolderType.AUTO else FolderType.MAIN fd_key = _resolve_lookup(folder_str, folder_data) if fd_key is None: fd_key = _resolve_lookup(resolved_str, folder_data) if fd_key is not None: if effective_type == FolderType.TRANSITION: effective_type = FolderType.MAIN self._folder_type_overrides[fid] = FolderType.MAIN folder_data[fd_key] = (main_idx, folder_data[fd_key][1]) main_idx += 1 # For old sessions, ordered_folders may be incomplete (only folders # with trim/type overrides were saved). Append any symlink-derived # folders that weren't already included, in their original order. sorted_remaining = sorted( [(f, d) for f, d in folder_data.items() if str(Path(f).resolve()) not in seen_resolved], key=lambda x: x[1][0], ) for folder_str, (sort_key, file_list) in sorted_remaining: folder_path = Path(folder_str) if not folder_path.exists(): continue folder_path = folder_path.resolve() resolved_str = str(folder_path) if resolved_str in seen_resolved: continue seen_resolved.add(resolved_str) fid = self._allocate_folder_id() self.source_folders.append(folder_path) self._folder_ids.append(fid) self.source_list.addItem(resolved_str) folder_data[folder_str] = (main_idx, file_list) main_idx += 1 else: # Legacy path: no ordered_folders, use symlink-derived order sorted_folders = sorted(folder_data.items(), key=lambda x: x[1][0]) for actual_idx, (folder, (sort_key, file_list)) in enumerate(sorted_folders): folder_data[folder] = (actual_idx, file_list) for folder, (folder_idx, file_list) in sorted(folder_data.items(), key=lambda x: x[1][0]): folder_path = Path(folder) if folder_path.exists(): folder_path = folder_path.resolve() fid = self._allocate_folder_id() self.source_folders.append(folder_path) self._folder_ids.append(fid) self.source_list.addItem(str(folder_path)) # Apply trim/type from old DB settings (try both path forms) settings_key = _resolve_lookup(folder, db_folder_settings) if settings_key is None: settings_key = _resolve_lookup(str(folder_path), db_folder_settings) if settings_key is not None: ts, te, ft = db_folder_settings[settings_key] if ts > 0 or te > 0: self._folder_trim_settings[fid] = (ts, te) if ft != FolderType.AUTO: self._folder_type_overrides[fid] = ft else: self._folder_type_overrides[fid] = FolderType.MAIN if db_transition_settings: self.transition_group.setChecked(db_transition_settings.enabled) for i in range(self.curve_combo.count()): if self.curve_combo.itemData(i) == db_transition_settings.blend_curve: self.curve_combo.setCurrentIndex(i) break for i in range(self.blend_format_combo.count()): if self.blend_format_combo.itemData(i) == db_transition_settings.output_format: self.blend_format_combo.setCurrentIndex(i) break for i in range(self.blend_method_combo.count()): if self.blend_method_combo.itemData(i) == db_transition_settings.blend_method: self.blend_method_combo.setCurrentIndex(i) break self.webp_method_spin.setValue(db_transition_settings.webp_method) self.blend_quality_spin.setValue(db_transition_settings.output_quality) if db_transition_settings.trans_destination: self._add_to_path_history(self.trans_dst_path, str(db_transition_settings.trans_destination)) if db_transition_settings.rife_binary_path: self.rife_path_input.setText(str(db_transition_settings.rife_binary_path)) # OF preset is not restored from session — the widget default (Max) always applies self.of_levels_spin.setValue(db_transition_settings.of_levels) self.of_winsize_spin.setValue(db_transition_settings.of_winsize) self.of_iterations_spin.setValue(db_transition_settings.of_iterations) for i in range(self.of_poly_n_combo.count()): if self.of_poly_n_combo.itemData(i) == db_transition_settings.of_poly_n: self.of_poly_n_combo.setCurrentIndex(i) break self.of_poly_sigma_spin.setValue(db_transition_settings.of_poly_sigma) # Update visibility of RIFE path widgets self._on_blend_method_changed(self.blend_method_combo.currentIndex()) # Reconstruct removed files by comparing disk contents vs exported files # This recovers edits from sessions before removed_files persistence was added if not db_removed_files: exported_by_folder: dict[str, set[str]] = {} for folder_str, (_, file_list) in folder_data.items(): exported_by_folder[folder_str] = {fname for _, fname in file_list} for i, folder_path in enumerate(self.source_folders): fid = self._folder_ids[i] folder_str = str(folder_path) if folder_str not in exported_by_folder: continue exported_names = exported_by_folder[folder_str] # Get all supported files on disk for this folder disk_files = set() from config import SUPPORTED_EXTENSIONS for f in sorted(folder_path.iterdir()): if f.is_file() and f.suffix.lower() in SUPPORTED_EXTENSIONS: disk_files.add(f.name) # Apply trim to get the effective file list trim_start, trim_end = self._folder_trim_settings.get(fid, (0, 0)) sorted_disk = sorted(disk_files) if trim_start > 0 or trim_end > 0: end_idx = len(sorted_disk) - trim_end trimmed = set(sorted_disk[trim_start:end_idx]) else: trimmed = disk_files # Files on disk (after trim) but not in export = removed removed = trimmed - exported_names if removed: self._removed_files[fid] = removed self._current_session_id = session.id self._last_resumed_dest = session.destination self._sync_dual_lists() # If duplicate paths exist (e.g. split folders), folder_data (keyed by # path) can't represent them separately — fall back to _refresh_files # which correctly uses per-fid trim settings. resolved_paths = [str(f.resolve()) for f in self.source_folders] if len(resolved_paths) != len(set(resolved_paths)): self._refresh_files() else: # Restore exact files from session instead of refreshing from disk self._restore_files_from_session(folder_data) # Ensure _folder_file_counts reflects raw disk counts for ALL folders # (_restore_files_from_session only covers MAIN folders in folder_data # and stores post-removal counts; TRANSITION folders are missing entirely) self._scan_folder_file_counts() # Refresh slider now that counts are correct (the earlier call inside # _restore_files_from_session used stale post-removal counts) self._update_trim_slider_for_selected_folder() self._update_flow_arrows() total_files = self.file_list.topLevelItemCount() trim_count = sum(1 for ts in self._folder_trim_settings.values() if ts[0] > 0 or ts[1] > 0) override_count = len(self._folder_type_overrides) per_trans_count = len(self._per_transition_settings) direct_count = len(self._direct_transitions) msg = f"Restored session from {session.created_at.strftime('%Y-%m-%d %H:%M')}.\n" msg += f"Loaded {total_files} files from {len(self.source_folders)} folder(s)." if trim_count > 0: msg += f"\nRestored trim settings for {trim_count} folder(s)." if override_count > 0: msg += f"\nRestored {override_count} folder type override(s)." if per_trans_count > 0: msg += f"\nRestored {per_trans_count} per-transition overlap setting(s)." if direct_count > 0: msg += f"\nRestored {direct_count} direct interpolation setting(s)." removed_count = sum(len(v) for v in self._removed_files.values()) if db_transition_settings and db_transition_settings.enabled: msg += f"\nRestored transition settings." if removed_count > 0: if db_removed_files: msg += f"\nRestored {removed_count} removed file(s)." else: msg += f"\nRecovered {removed_count} file removal(s) from export history." if missing_count > 0: msg += f"\n{missing_count} file(s) no longer exist and were skipped." if not silent: QMessageBox.information(self, "Session Restored", msg) else: pass # Silent restore (auto-resume on startup) return True def keyPressEvent(self, event) -> None: """Handle key press events.""" in_image_tab = self.preview_tabs.currentWidget() == self.image_tab if event.key() == Qt.Key.Key_Delete: if self.file_list.hasFocus(): self._remove_selected_files() elif self.source_list.hasFocus(): self._remove_source_folder() elif in_image_tab: self._delete_current_image() elif event.key() == Qt.Key.Key_Left: if in_image_tab: self._prev_image() elif event.key() == Qt.Key.Key_Right: if in_image_tab: self._next_image() elif event.key() == Qt.Key.Key_Plus or event.key() == Qt.Key.Key_Equal: if in_image_tab: self._zoom_in() elif event.key() == Qt.Key.Key_Minus: if in_image_tab: self._zoom_out() elif event.key() == Qt.Key.Key_0: if in_image_tab: self._zoom_reset() else: super().keyPressEvent(event) def closeEvent(self, event) -> None: """Auto-save session state and clean up media player when window closes.""" self._auto_save_session() self.media_player.stop() super().closeEvent(event) def _auto_save_session(self) -> None: """Save current state to the database so it can be restored on next launch. Creates or updates a session for the current destination path. This runs on close so that folder setup, transition settings, trim, etc. survive even if the user never explicitly exported. """ try: if not self.source_folders: return dst = self.dst_path.currentText().strip() if not dst: return dest = str(Path(dst).resolve()) # Always create a new session so we never overwrite a manual save session_id = self.db.create_session(dest, name="autosave") # Get current file list before clearing — don't clear if empty # to avoid corrupting the session files = self._get_files_in_order() if not files and self.source_folders: # file_list is empty but we have folders — don't overwrite # the session, just save settings return # Clear all stale data for this session before re-saving self.db.clear_session_data(session_id) self._save_session_settings(session_id, save_effective_types=True) # Save the file list so the exact sequence can be restored records = [] for i, (source_dir, filename, folder_idx, file_idx, _fid) in enumerate(files): source_path = source_dir / filename ext = source_path.suffix link_name = f"seq{folder_idx + 1:02d}_{file_idx:04d}{ext}" records.append(( str(source_path.resolve()), str(Path(dest) / link_name), filename, i, )) self.db.record_symlinks_batch(session_id, records) except Exception: pass # Best-effort save on close def _save_session(self) -> None: """Explicitly save the current session state (triggered by Save Session button).""" if not self.source_folders: QMessageBox.warning(self, "Nothing to Save", "Add at least one source folder first.") return dst = self.dst_path.currentText().strip() if not dst: QMessageBox.warning(self, "No Destination", "Set a destination path first.") return dest = str(Path(dst).resolve()) try: # Always create a fresh session to avoid stale data session_id = self.db.create_session(dest) self._current_session_id = session_id self._save_session_settings(session_id, save_effective_types=True) # Save the exact file list in a single transaction files = self._get_files_in_order() records = [] for i, (source_dir, filename, folder_idx, file_idx, _fid) in enumerate(files): source_path = source_dir / filename ext = source_path.suffix link_name = f"seq{folder_idx + 1:02d}_{file_idx:04d}{ext}" records.append(( str(source_path.resolve()), str(Path(dest) / link_name), filename, i, )) self.db.record_symlinks_batch(session_id, records) main_count = sum( 1 for i, f in enumerate(self.source_folders) if self._get_effective_folder_type(i, f) == FolderType.MAIN ) trans_count = len(self.source_folders) - main_count folder_info = f"{main_count} main" if trans_count > 0: folder_info += f" + {trans_count} transition" QMessageBox.information( self, "Session Saved", f"Saved {len(files)} files from {folder_info} folders." ) except Exception as e: QMessageBox.critical(self, "Save Failed", f"Failed to save session:\n{e}") def _pick_and_restore_session(self) -> None: """Show a dialog listing saved sessions and restore the selected one.""" sessions = self.db.get_sessions() if not sessions: QMessageBox.information(self, "No Sessions", "No saved sessions found.") return from PyQt6.QtWidgets import ( QDialog, QDialogButtonBox, QVBoxLayout, QHBoxLayout, QTreeWidget, QTreeWidgetItem, QHeaderView, QPushButton, ) dlg = QDialog(self) dlg.setWindowTitle("Restore Session") dlg.resize(700, 400) layout = QVBoxLayout(dlg) tree = QTreeWidget() tree.setHeaderLabels(["", "Date", "Destination", "Files"]) tree.setRootIsDecorated(False) tree.setAlternatingRowColors(True) tree.setSelectionMode(QAbstractItemView.SelectionMode.ExtendedSelection) tree.header().setStretchLastSection(False) tree.header().setSectionResizeMode(0, QHeaderView.ResizeMode.ResizeToContents) tree.header().setSectionResizeMode(1, QHeaderView.ResizeMode.ResizeToContents) tree.header().setSectionResizeMode(2, QHeaderView.ResizeMode.Stretch) tree.header().setSectionResizeMode(3, QHeaderView.ResizeMode.ResizeToContents) layout.addWidget(tree) lock_icon = "\U0001F512" # locked padlock unlock_icon = "" def populate_tree(): tree.clear() for s in self.db.get_sessions(): date_str = s.created_at.strftime('%Y-%m-%d %H:%M') if s.name: date_str += f" ({s.name})" dest_short = s.destination if len(dest_short) > 60: dest_short = '...' + dest_short[-57:] item = QTreeWidgetItem([ lock_icon if s.locked else unlock_icon, date_str, dest_short, str(s.link_count), ]) item.setData(0, Qt.ItemDataRole.UserRole, s) item.setToolTip(2, s.destination) if s.locked: item.setToolTip(0, "Locked — protected from deletion") tree.addTopLevelItem(item) if tree.topLevelItemCount() > 0: tree.setCurrentItem(tree.topLevelItem(0)) def toggle_lock(): selected_items = tree.selectedItems() if not selected_items: return for item in selected_items: s = item.data(0, Qt.ItemDataRole.UserRole) if s is not None: try: new_state = self.db.toggle_session_locked(s.id) s.locked = new_state item.setData(0, Qt.ItemDataRole.UserRole, s) item.setText(0, lock_icon if new_state else unlock_icon) item.setToolTip(0, "Locked — protected from deletion" if new_state else "") except Exception as e: QMessageBox.critical(dlg, "Error", f"Failed to toggle lock:\n{e}") def delete_selected(): selected_items = tree.selectedItems() if not selected_items: return # Filter out locked sessions deletable = [it for it in selected_items if not getattr(it.data(0, Qt.ItemDataRole.UserRole), 'locked', False)] locked_count = len(selected_items) - len(deletable) if not deletable: QMessageBox.information(dlg, "Delete Sessions", "All selected sessions are locked.") return count = len(deletable) label = "session" if count == 1 else "sessions" msg = f"Delete {count} {label}? This cannot be undone." if locked_count: msg += f"\n({locked_count} locked session(s) will be skipped.)" reply = QMessageBox.question( dlg, "Delete Sessions", msg, QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No, ) if reply != QMessageBox.StandardButton.Yes: return ids = [] for item in deletable: s = item.data(0, Qt.ItemDataRole.UserRole) if s is not None: ids.append(s.id) if ids: try: self.db.delete_sessions(ids) except Exception as e: QMessageBox.critical(dlg, "Error", f"Failed to delete:\n{e}") return populate_tree() populate_tree() btn_layout = QHBoxLayout() lock_btn = QPushButton("Toggle Lock") lock_btn.setToolTip("Lock/unlock selected sessions to protect from deletion") lock_btn.clicked.connect(toggle_lock) btn_layout.addWidget(lock_btn) delete_btn = QPushButton("Delete Selected") delete_btn.clicked.connect(delete_selected) btn_layout.addWidget(delete_btn) btn_layout.addStretch() buttons = QDialogButtonBox( QDialogButtonBox.StandardButton.Ok | QDialogButtonBox.StandardButton.Cancel ) buttons.accepted.connect(dlg.accept) buttons.rejected.connect(dlg.reject) btn_layout.addWidget(buttons) layout.addLayout(btn_layout) # Double-click to accept tree.itemDoubleClicked.connect(dlg.accept) if dlg.exec() != QDialog.DialogCode.Accepted: return selected = tree.currentItem() if not selected: return session = selected.data(0, Qt.ItemDataRole.UserRole) if session is None: return # Set destination path to match the session self._add_to_path_history(self.dst_path, session.destination) self._restore_session_by_id(session) def wheelEvent(self, event) -> None: """Handle mouse wheel for zoom in image tab.""" if self.preview_tabs.currentWidget() == self.image_tab: if self.image_scroll.underMouse(): delta = event.angleDelta().y() if delta > 0: self._zoom_in() elif delta < 0: self._zoom_out() event.accept() return super().wheelEvent(event) def eventFilter(self, obj, event) -> bool: """Handle mouse events for panning the image.""" if obj == self.image_scroll.viewport(): if event.type() == QEvent.Type.MouseButtonPress: if event.button() == Qt.MouseButton.LeftButton: self._pan_start = event.pos() self._pan_scrollbar_start = QPoint( self.image_scroll.horizontalScrollBar().value(), self.image_scroll.verticalScrollBar().value() ) self.image_scroll.viewport().setCursor(Qt.CursorShape.ClosedHandCursor) return True elif event.type() == QEvent.Type.MouseMove: if self._pan_start is not None: delta = event.pos() - self._pan_start self.image_scroll.horizontalScrollBar().setValue( self._pan_scrollbar_start.x() - delta.x() ) self.image_scroll.verticalScrollBar().setValue( self._pan_scrollbar_start.y() - delta.y() ) return True elif event.type() == QEvent.Type.MouseButtonRelease: if event.button() == Qt.MouseButton.LeftButton and self._pan_start is not None: self._pan_start = None self._pan_scrollbar_start = None self.image_scroll.viewport().setCursor(Qt.CursorShape.OpenHandCursor) return True return super().eventFilter(obj, event) def dragEnterEvent(self, event: QDragEnterEvent) -> None: """Accept drag events with URLs (folders).""" if event.mimeData().hasUrls(): event.acceptProposedAction() def dropEvent(self, event: QDropEvent) -> None: """Handle dropped folders — insert as TRANSITION when dropped on a placeholder.""" # Check if the drop lands on a placeholder item in source_list insert_index = None local_pos = self.source_list.mapFrom(self, event.position().toPoint()) target_item = self.source_list.itemAt(local_pos) if target_item is not None and self._is_placeholder_item(target_item): insert_index = self._get_placeholder_insert_index(target_item) for url in event.mimeData().urls(): path = url.toLocalFile() if path and Path(path).is_dir(): if insert_index is not None: self._add_source_folder( path, folder_type=FolderType.TRANSITION, insert_index=insert_index, ) # Only the first dropped folder fills the placeholder slot insert_index = None else: self._add_source_folder(path) def _on_folders_reordered(self) -> None: """Handle folder list reordering.""" self._sync_dual_lists() self._refresh_files() self._update_flow_arrows() def _show_folder_context_menu(self, pos: QPoint) -> None: """Show context menu for folder type and overlap override.""" item = self.source_list.itemAt(pos) if item is None: if self.source_folders: menu = QMenu(self) cleanup_action = menu.addAction("Cleanup Unused Videos...") cleanup_action.triggered.connect(self._show_cleanup_unused_dialog) menu.exec(self.source_list.mapToGlobal(pos)) return # Placeholder item → offer "Add Transition Folder..." if self._is_placeholder_item(item): insert_index = self._get_placeholder_insert_index(item) if insert_index is not None: menu = QMenu(self) add_action = menu.addAction("Add Transition Folder...") add_action.triggered.connect( lambda: self._add_transition_from_placeholder(insert_index) ) insert_clip_action = menu.addAction("Insert Clip Here...") insert_clip_action.triggered.connect( lambda: self._insert_clip_at_position(insert_index) ) menu.exec(self.source_list.mapToGlobal(pos)) return item_data = item.data(Qt.ItemDataRole.UserRole) if item_data is None: return # Clicked on video info item if not isinstance(item_data, tuple) or len(item_data) != 2: return folder, fid = item_data idx = self._folder_ids.index(fid) if fid in self._folder_ids else -1 if idx < 0: return menu = QMenu(self) current_type = self._folder_type_overrides.get(fid, FolderType.AUTO) auto_action = menu.addAction("Auto (position-based)") auto_action.setCheckable(True) auto_action.setChecked(current_type == FolderType.AUTO) auto_action.triggered.connect(lambda: self._set_folder_type(fid, FolderType.AUTO)) main_action = menu.addAction("Main [M]") main_action.setCheckable(True) main_action.setChecked(current_type == FolderType.MAIN) main_action.triggered.connect(lambda: self._set_folder_type(fid, FolderType.MAIN)) trans_action = menu.addAction("Transition [T]") trans_action.setCheckable(True) trans_action.setChecked(current_type == FolderType.TRANSITION) trans_action.triggered.connect(lambda: self._set_folder_type(fid, FolderType.TRANSITION)) menu.addSeparator() # Only show overlap setting for transition folders effective_type = self._get_effective_folder_type(idx, folder) if effective_type == FolderType.TRANSITION: overlap_action = menu.addAction("Set Overlap Frames...") overlap_action.triggered.connect(lambda: self._show_overlap_dialog(fid, folder)) replace_action = menu.addAction("Replace Folder...") replace_action.triggered.connect(lambda: self._replace_source_folder(folder, idx)) menu.addSeparator() insert_before_action = menu.addAction("Insert Clip Before...") insert_before_action.triggered.connect(lambda: self._insert_clip_at_position(idx)) # "After" skips past TRANSITION slot if this is a MAIN folder followed by a TRANSITION after_idx = idx + 1 if effective_type == FolderType.MAIN and after_idx < len(self.source_folders): next_folder = self.source_folders[after_idx] if self._get_effective_folder_type(after_idx, next_folder) == FolderType.TRANSITION: after_idx = idx + 2 insert_after_action = menu.addAction("Insert Clip After...") insert_after_action.triggered.connect(lambda: self._insert_clip_at_position(after_idx)) # Split / Merge for MAIN folders if effective_type == FolderType.MAIN: menu.addSeparator() # Split: only if folder has >1 effective frame trimmed = self._get_trimmed_file_list(fid, folder) removed = self._removed_files.get(fid, set()) effective_count = len([f for f in trimmed if f not in removed]) split_action = menu.addAction("Split Sequence...") split_action.triggered.connect(lambda: self._show_split_dialog(fid)) if effective_count < 2: split_action.setEnabled(False) # Merge: only if next entry points to same resolved path if idx + 1 < len(self.source_folders): next_fid = self._folder_ids[idx + 1] next_f = self.source_folders[idx + 1] if folder.resolve() == next_f.resolve(): merge_action = menu.addAction("Merge with Next") merge_action.triggered.connect(lambda: self._merge_adjacent_folders(fid, idx)) menu.exec(self.source_list.mapToGlobal(pos)) @staticmethod def _dir_size_bytes(path: Path) -> int: """Recursively compute directory size in bytes.""" total = 0 try: with os.scandir(path) as it: for entry in it: if entry.is_file(follow_symlinks=False): total += entry.stat(follow_symlinks=False).st_size elif entry.is_dir(follow_symlinks=False): total += SequenceLinkerUI._dir_size_bytes(Path(entry.path)) except PermissionError: pass return total @staticmethod def _format_size(size_bytes: int) -> str: """Format bytes as human-readable string.""" for unit in ('B', 'KB', 'MB', 'GB'): if size_bytes < 1024 or unit == 'GB': return f"{size_bytes:.1f} {unit}" if unit != 'B' else f"{size_bytes} B" size_bytes /= 1024 return f"{size_bytes:.1f} GB" def _find_unused_video_dirs(self): """Find video directories not referenced by current source folders. Returns (unused_entries, scan_roots) where each entry is a dict with video_dir, type_dir, name, type_name, size_bytes, has_latent, latent_path, latent_size. """ from config import SUPPORTED_EXTENSIONS # Build scan roots: grandparent (type_of_video/ level) of each source folder scan_roots: set[Path] = set() used_video_dirs: set[Path] = set() for folder in self.source_folders: resolved = folder.resolve() # parent = video_name/, grandparent = type_of_video/ video_dir = resolved.parent type_dir = video_dir.parent used_video_dirs.add(video_dir) # Safety: skip if path is too short or type_dir doesn't exist if len(type_dir.parts) < 2 or not type_dir.is_dir(): continue scan_roots.add(type_dir) unused_entries = [] for scan_root in sorted(scan_roots): type_name = scan_root.name try: children = sorted(scan_root.iterdir()) except PermissionError: continue for child in children: if not child.is_dir(): continue # Skip hidden dirs (.trash/, .git, etc.) if child.name.startswith('.'): continue # Skip if this video dir is used if child in used_video_dirs: continue # Verify it looks like a video dir: has vid/ subdir or # any subdir containing images has_vid_subdir = (child / 'vid').is_dir() has_image_subdir = False if not has_vid_subdir: try: for sub in child.iterdir(): if sub.is_dir(): # Check if subdir has image files try: for f in sub.iterdir(): if f.is_file() and f.suffix.lower() in SUPPORTED_EXTENSIONS: has_image_subdir = True break except PermissionError: pass if has_image_subdir: break except PermissionError: pass if not has_vid_subdir and not has_image_subdir: continue # Compute sizes size_bytes = self._dir_size_bytes(child) # Check for .latent sibling file latent_path = scan_root / f"{child.name}.latent" has_latent = latent_path.is_file() latent_size = latent_path.stat().st_size if has_latent else 0 unused_entries.append({ 'video_dir': child, 'type_dir': scan_root, 'name': child.name, 'type_name': type_name, 'size_bytes': size_bytes, 'has_latent': has_latent, 'latent_path': latent_path, 'latent_size': latent_size, }) return unused_entries, scan_roots def _show_cleanup_unused_dialog(self) -> None: """Show dialog to find and cleanup unused video directories.""" from PyQt6.QtWidgets import ( QDialog, QVBoxLayout, QHBoxLayout, QLabel, QTreeWidget, QTreeWidgetItem, QHeaderView, QPushButton, QProgressDialog, ) # --- Scan with progress dialog --- progress = QProgressDialog("Scanning for unused video folders...", None, 0, 0, self) progress.setWindowTitle("Scanning") progress.setMinimumDuration(0) progress.setModal(True) progress.show() QApplication.processEvents() unused_entries, scan_roots = self._find_unused_video_dirs() progress.close() if not unused_entries: QMessageBox.information( self, "Cleanup Unused Videos", "No unused video folders found." ) return # --- Build dialog --- dlg = QDialog(self) dlg.setWindowTitle("Cleanup Unused Videos") dlg.resize(750, 500) layout = QVBoxLayout(dlg) total_size = sum(e['size_bytes'] + e['latent_size'] for e in unused_entries) summary_label = QLabel( f"Found {len(unused_entries)} unused video folder(s) " f"({self._format_size(total_size)} total) " f"across {len(scan_roots)} type folder(s)." ) layout.addWidget(summary_label) tree = QTreeWidget() tree.setHeaderLabels(["Video Name", "Type", "Size", "Latent"]) tree.setRootIsDecorated(False) tree.setAlternatingRowColors(True) tree.header().setStretchLastSection(False) tree.header().setSectionResizeMode(0, QHeaderView.ResizeMode.Stretch) tree.header().setSectionResizeMode(1, QHeaderView.ResizeMode.ResizeToContents) tree.header().setSectionResizeMode(2, QHeaderView.ResizeMode.ResizeToContents) tree.header().setSectionResizeMode(3, QHeaderView.ResizeMode.ResizeToContents) layout.addWidget(tree) for entry in unused_entries: combined = entry['size_bytes'] + entry['latent_size'] latent_text = self._format_size(entry['latent_size']) if entry['has_latent'] else "" item = QTreeWidgetItem([ entry['name'], entry['type_name'], self._format_size(combined), latent_text, ]) item.setCheckState(0, Qt.CheckState.Checked) item.setData(0, Qt.ItemDataRole.UserRole, entry) item.setToolTip(0, str(entry['video_dir'])) tree.addTopLevelItem(item) # --- Check All / Uncheck All --- check_layout = QHBoxLayout() check_all_btn = QPushButton("Check All") uncheck_all_btn = QPushButton("Uncheck All") def set_all_checked(state): for i in range(tree.topLevelItemCount()): tree.topLevelItem(i).setCheckState(0, state) check_all_btn.clicked.connect(lambda: set_all_checked(Qt.CheckState.Checked)) uncheck_all_btn.clicked.connect(lambda: set_all_checked(Qt.CheckState.Unchecked)) check_layout.addWidget(check_all_btn) check_layout.addWidget(uncheck_all_btn) check_layout.addStretch() layout.addLayout(check_layout) # --- Action buttons --- btn_layout = QHBoxLayout() delete_btn = QPushButton("Delete Selected") delete_btn.setStyleSheet("color: red;") trash_btn = QPushButton("Move to .trash/") close_btn = QPushButton("Close") def get_checked_entries(): entries = [] for i in range(tree.topLevelItemCount()): ti = tree.topLevelItem(i) if ti.checkState(0) == Qt.CheckState.Checked: entries.append((i, ti.data(0, Qt.ItemDataRole.UserRole))) return entries def remove_processed_items(indices): for i in sorted(indices, reverse=True): tree.takeTopLevelItem(i) # Update summary remaining = tree.topLevelItemCount() if remaining == 0: summary_label.setText("All selected folders processed.") else: rem_size = 0 for i in range(remaining): e = tree.topLevelItem(i).data(0, Qt.ItemDataRole.UserRole) rem_size += e['size_bytes'] + e['latent_size'] summary_label.setText( f"{remaining} unused video folder(s) remaining " f"({self._format_size(rem_size)} total)." ) def do_delete(): checked = get_checked_entries() if not checked: return reply = QMessageBox.warning( dlg, "Delete Permanently", f"Permanently delete {len(checked)} video folder(s) " f"and their .latent files?\n\nThis cannot be undone.", QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No, QMessageBox.StandardButton.No, ) if reply != QMessageBox.StandardButton.Yes: return success = 0 errors = [] processed_indices = [] for idx, entry in checked: try: shutil.rmtree(entry['video_dir']) if entry['has_latent'] and entry['latent_path'].exists(): entry['latent_path'].unlink() success += 1 processed_indices.append(idx) except Exception as e: errors.append(f"{entry['name']}: {e}") remove_processed_items(processed_indices) msg = f"Deleted {success} folder(s)." if errors: msg += f"\n\n{len(errors)} error(s):\n" + "\n".join(errors) QMessageBox.information(dlg, "Delete Complete", msg) def do_trash(): checked = get_checked_entries() if not checked: return reply = QMessageBox.question( dlg, "Move to .trash/", f"Move {len(checked)} video folder(s) to .trash/?", QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No, ) if reply != QMessageBox.StandardButton.Yes: return success = 0 errors = [] processed_indices = [] for idx, entry in checked: try: trash_dir = entry['type_dir'] / '.trash' trash_dir.mkdir(exist_ok=True) dest = trash_dir / entry['name'] if dest.exists(): shutil.rmtree(dest) shutil.move(str(entry['video_dir']), str(dest)) if entry['has_latent'] and entry['latent_path'].exists(): latent_dest = trash_dir / entry['latent_path'].name if latent_dest.exists(): latent_dest.unlink() shutil.move(str(entry['latent_path']), str(latent_dest)) success += 1 processed_indices.append(idx) except Exception as e: errors.append(f"{entry['name']}: {e}") remove_processed_items(processed_indices) msg = f"Moved {success} folder(s) to .trash/." if errors: msg += f"\n\n{len(errors)} error(s):\n" + "\n".join(errors) QMessageBox.information(dlg, "Trash Complete", msg) delete_btn.clicked.connect(do_delete) trash_btn.clicked.connect(do_trash) close_btn.clicked.connect(dlg.close) btn_layout.addWidget(delete_btn) btn_layout.addWidget(trash_btn) btn_layout.addStretch() btn_layout.addWidget(close_btn) layout.addLayout(btn_layout) dlg.exec() def _show_file_list_context_menu(self, pos: QPoint) -> None: """Show context menu for file list items (split, remove).""" item = self.file_list.itemAt(pos) if item is None: return data = item.data(0, Qt.ItemDataRole.UserRole) if data is None: return # Separator item folder, filename, folder_idx, file_idx = data fid = item.data(0, Qt.ItemDataRole.UserRole + 2) if fid is None: return menu = QMenu(self) # Split action split_action = menu.addAction("Split Sequence After This Frame") split_action.triggered.connect(lambda: self._split_folder_at_file(fid, filename)) # Count effective frames for this fid to decide if split is possible idx = self._folder_ids.index(fid) if fid in self._folder_ids else -1 if idx >= 0: trimmed = self._get_trimmed_file_list(fid, self.source_folders[idx]) removed = self._removed_files.get(fid, set()) effective = [f for f in trimmed if f not in removed] if len(effective) <= 1 or filename == effective[-1]: split_action.setEnabled(False) menu.addSeparator() remove_action = menu.addAction("Remove Frame") remove_action.triggered.connect(self._remove_selected_files) menu.exec(self.file_list.viewport().mapToGlobal(pos)) def _get_trimmed_file_list(self, fid: int, folder: Path) -> list[str]: """Get the file list for a folder after applying trims but before removal filter.""" from config import SUPPORTED_EXTENSIONS if not folder.is_dir(): return [] dir_files = sorted( [item.name for item in folder.iterdir() if item.is_file() and item.suffix.lower() in SUPPORTED_EXTENSIONS], key=str.lower ) total = len(dir_files) trim_start, trim_end = self._folder_trim_settings.get(fid, (0, 0)) trim_start = min(trim_start, max(0, total - 1)) trim_end = min(trim_end, max(0, total - 1 - trim_start)) end_idx = total - trim_end return dir_files[trim_start:end_idx] def _split_folder_at_file(self, fid: int, split_after_filename: str) -> None: """Split a folder entry into two at the given filename boundary. The original entry keeps everything up to and including split_after_filename. A new entry is inserted after it with everything after split_after_filename. """ from config import SUPPORTED_EXTENSIONS if fid not in self._folder_ids: return idx = self._folder_ids.index(fid) folder = self.source_folders[idx] # Get full sorted file list for this physical folder if not folder.is_dir(): return all_files = sorted( [item.name for item in folder.iterdir() if item.is_file() and item.suffix.lower() in SUPPORTED_EXTENSIONS], key=str.lower ) total = len(all_files) if total < 2: return # Current trim settings old_trim_start, old_trim_end = self._folder_trim_settings.get(fid, (0, 0)) old_trim_start = min(old_trim_start, max(0, total - 1)) old_trim_end = min(old_trim_end, max(0, total - 1 - old_trim_start)) # Find split_after_filename position in the full (untrimmed) file list if split_after_filename not in all_files: return abs_pos = all_files.index(split_after_filename) # The split point in absolute indices: # Original entry: files[old_trim_start .. abs_pos] → trim_start stays, trim_end = total - abs_pos - 1 # New entry: files[abs_pos+1 .. total-1-old_trim_end] → trim_start = abs_pos+1, trim_end = old_trim_end new_orig_trim_end = total - abs_pos - 1 new_entry_trim_start = abs_pos + 1 new_entry_trim_end = old_trim_end # Validate both halves have at least one file orig_count = abs_pos - old_trim_start + 1 new_count = (total - new_entry_trim_end) - new_entry_trim_start if orig_count < 1 or new_count < 1: return # Update original entry trim self._folder_trim_settings[fid] = (old_trim_start, new_orig_trim_end) # Partition removed files between the two halves old_removed = self._removed_files.get(fid, set()) orig_removed = set() new_removed = set() for fname in old_removed: if fname in all_files: fpos = all_files.index(fname) if fpos <= abs_pos: orig_removed.add(fname) else: new_removed.add(fname) if orig_removed: self._removed_files[fid] = orig_removed elif fid in self._removed_files: del self._removed_files[fid] # Allocate new fid for the second half new_fid = self._allocate_folder_id() # Pin effective folder types for shifted positions (same pattern as _add_source_folder) insert_at = idx + 1 for j in range(insert_at, len(self.source_folders)): jfid = self._folder_ids[j] if jfid not in self._folder_type_overrides: self._folder_type_overrides[jfid] = self._get_effective_folder_type( j, self.source_folders[j] ) # Insert new entry self.source_folders.insert(insert_at, folder) self._folder_ids.insert(insert_at, new_fid) # Set new entry settings self._folder_trim_settings[new_fid] = (new_entry_trim_start, new_entry_trim_end) self._folder_type_overrides[new_fid] = FolderType.MAIN if new_removed: self._removed_files[new_fid] = new_removed # Transfer direct transitions from original to new entry # (transitions apply to the end of a sequence, so they belong to the second half) if fid in self._direct_transitions: self._direct_transitions[new_fid] = self._direct_transitions.pop(fid) # Make sure original is also pinned as MAIN if fid not in self._folder_type_overrides: self._folder_type_overrides[fid] = FolderType.MAIN # Refresh UI self._sync_dual_lists() self._refresh_files() self._update_flow_arrows() def _show_split_dialog(self, fid: int) -> None: """Show a dialog to choose where to split a folder sequence.""" if fid not in self._folder_ids: return idx = self._folder_ids.index(fid) folder = self.source_folders[idx] trimmed = self._get_trimmed_file_list(fid, folder) removed = self._removed_files.get(fid, set()) effective = [f for f in trimmed if f not in removed] if len(effective) < 2: QMessageBox.information(self, "Split", "Need at least 2 frames to split.") return dialog = QDialog(self) dialog.setWindowTitle("Split Sequence") dialog.setMinimumWidth(300) layout = QVBoxLayout(dialog) layout.addWidget(QLabel(f"Folder: {folder.name}")) layout.addWidget(QLabel(f"Frames: {len(effective)}")) form = QFormLayout() spin = QSpinBox() spin.setRange(1, len(effective) - 1) spin.setValue(len(effective) // 2) spin.setToolTip("First half will contain this many frames") form.addRow("Split after frame:", spin) layout.addLayout(form) buttons = QDialogButtonBox( QDialogButtonBox.StandardButton.Ok | QDialogButtonBox.StandardButton.Cancel ) buttons.accepted.connect(dialog.accept) buttons.rejected.connect(dialog.reject) layout.addWidget(buttons) if dialog.exec() == QDialog.DialogCode.Accepted: split_idx = spin.value() - 1 # 0-based index into effective list split_after_filename = effective[split_idx] self._split_folder_at_file(fid, split_after_filename) def _merge_adjacent_folders(self, fid: int, idx: int) -> None: """Merge two adjacent folder entries that point to the same path. Combines the first entry (fid at idx) with the next entry (idx+1), undoing a previous split. """ # Re-derive idx from fid in case list changed since menu was shown if fid not in self._folder_ids: return idx = self._folder_ids.index(fid) if idx + 1 >= len(self.source_folders): return next_idx = idx + 1 next_fid = self._folder_ids[next_idx] next_folder = self.source_folders[next_idx] # Verify same physical folder if self.source_folders[idx].resolve() != next_folder.resolve(): return # Combine trims: keep first's trim_start, second's trim_end first_start, _ = self._folder_trim_settings.get(fid, (0, 0)) _, second_end = self._folder_trim_settings.get(next_fid, (0, 0)) self._folder_trim_settings[fid] = (first_start, second_end) # Union removed files first_removed = self._removed_files.get(fid, set()) second_removed = self._removed_files.get(next_fid, set()) combined_removed = first_removed | second_removed if combined_removed: self._removed_files[fid] = combined_removed elif fid in self._removed_files: del self._removed_files[fid] # Transfer direct transitions from second to first if next_fid in self._direct_transitions: self._direct_transitions[fid] = self._direct_transitions.pop(next_fid) # Clean up second entry's settings self._folder_trim_settings.pop(next_fid, None) self._folder_type_overrides.pop(next_fid, None) self._per_transition_settings.pop(next_fid, None) self._removed_files.pop(next_fid, None) self._direct_transitions.pop(next_fid, None) # Remove second entry from lists self.source_folders.pop(next_idx) self._folder_ids.pop(next_idx) # Refresh UI self._sync_dual_lists() self._refresh_files() self._update_flow_arrows() def _show_overlap_dialog(self, fid: int, folder: Path) -> None: """Show dialog to set per-transition overlap frames.""" pts = self._per_transition_settings.get(fid) left = pts.left_overlap if pts else 16 right = pts.right_overlap if pts else 16 dialog = OverlapDialog(self, folder.name, left, right) if dialog.exec() == QDialog.DialogCode.Accepted: new_left, new_right = dialog.get_values() self._per_transition_settings[fid] = PerTransitionSettings( trans_folder=folder, left_overlap=new_left, right_overlap=new_right ) self._sync_dual_lists() self._update_sequence_table() def _show_direct_transition_dialog(self, fid_or_folder, folder: Path = None) -> None: """Show dialog to configure direct frame interpolation between sequences. Args: fid_or_folder: Either an int fid or a Path (for backward compat from sequence table clicks). folder: Optional folder path when fid is provided as first arg. """ if isinstance(fid_or_folder, int): fid = fid_or_folder if folder is None: idx = self._folder_ids.index(fid) if fid in self._folder_ids else -1 folder = self.source_folders[idx] if idx >= 0 else Path("unknown") else: # Called from sequence table with Path — find fid folder = fid_or_folder # Find first matching fid (legacy path) fid = None for i, f in enumerate(self.source_folders): if f == folder: fid = self._folder_ids[i] break if fid is None: return existing = self._direct_transitions.get(fid) if existing: frame_count = existing.frame_count method = existing.method enabled = existing.enabled else: frame_count = 16 method = DirectInterpolationMethod.FILM enabled = True dialog = DirectTransitionDialog( self, folder.name, frame_count, method, enabled ) result = dialog.exec() if dialog.was_removed(): # User clicked Remove if fid in self._direct_transitions: del self._direct_transitions[fid] self._update_sequence_table() elif result == QDialog.DialogCode.Accepted: new_method, new_count, new_enabled = dialog.get_values() self._direct_transitions[fid] = DirectTransitionSettings( after_folder=folder, frame_count=new_count, method=new_method, enabled=new_enabled ) self._update_sequence_table() def _set_folder_type(self, fid: int, folder_type: FolderType) -> None: """Set the folder type override for a folder entry.""" if folder_type == FolderType.AUTO: if fid in self._folder_type_overrides: del self._folder_type_overrides[fid] else: self._folder_type_overrides[fid] = folder_type self._sync_dual_lists() self._update_flow_arrows() def _update_folder_type_indicators(self, _=None) -> None: """Update folder list item colors and prefixes based on folder types.""" self._sync_dual_lists() self._update_flow_arrows() def _add_transition_from_placeholder(self, insert_index: int) -> None: """Open file dialog and insert the chosen folder as a TRANSITION at *insert_index*.""" start_dir = self.last_directory or "" path = QFileDialog.getExistingDirectory( self, "Select Transition Folder", start_dir ) if path: self._add_source_folder( path, folder_type=FolderType.TRANSITION, insert_index=insert_index ) def _insert_clip_at_position(self, insert_before_idx: int) -> None: """Open file dialog and insert the chosen folder as a MAIN clip at *insert_before_idx*.""" start_dir = self.last_directory or "" path = QFileDialog.getExistingDirectory( self, "Select Clip Folder to Insert", start_dir ) if not path: return folder = Path(path).resolve() if not folder.is_dir(): return # Clear direct transition spanning the insertion gap if insert_before_idx > 0 and insert_before_idx <= len(self.source_folders): prev_fid = self._folder_ids[insert_before_idx - 1] prev = self.source_folders[insert_before_idx - 1] if self._get_effective_folder_type(insert_before_idx - 1, prev) == FolderType.MAIN: self._direct_transitions.pop(prev_fid, None) self._add_source_folder(str(folder), folder_type=FolderType.MAIN, insert_index=insert_before_idx) def _on_source_item_clicked(self, item: QListWidgetItem) -> None: """Handle click on a source list item — trigger placeholder action if applicable.""" if self._is_placeholder_item(item): insert_index = self._get_placeholder_insert_index(item) if insert_index is not None: self._add_transition_from_placeholder(insert_index) def _get_transition_settings(self) -> TransitionSettings: """Get current transition settings from UI.""" trans_dest = None trans_path = self.trans_dst_path.currentText().strip() if trans_path: trans_dest = Path(trans_path) rife_path = None rife_path_text = self.rife_path_input.text().strip() if rife_path_text: rife_path = Path(rife_path_text) return TransitionSettings( enabled=self.transition_group.isChecked(), blend_curve=self.curve_combo.currentData(), output_format=self.blend_format_combo.currentData(), webp_method=self.webp_method_spin.value(), output_quality=self.blend_quality_spin.value(), trans_destination=trans_dest, blend_method=self.blend_method_combo.currentData(), rife_binary_path=rife_path, rife_model=self.rife_model_combo.currentData(), rife_uhd=self.rife_uhd_check.isChecked(), rife_tta=self.rife_tta_check.isChecked(), practical_rife_model=self.practical_model_combo.currentData(), practical_rife_ensemble=self.practical_ensemble_check.isChecked(), of_preset=self.of_preset_combo.currentData(), of_levels=self.of_levels_spin.value(), of_winsize=self.of_winsize_spin.value(), of_iterations=self.of_iterations_spin.value(), of_poly_n=self.of_poly_n_combo.currentData(), of_poly_sigma=self.of_poly_sigma_spin.value() ) def _scan_folder_file_counts(self) -> None: """Scan all source folders and set _folder_file_counts to raw disk counts. This ensures the trim slider always shows the true total, regardless of whether the file list was populated by _refresh_files (which does this automatically) or _restore_files_from_session (which doesn't). """ from config import SUPPORTED_EXTENSIONS for i, folder in enumerate(self.source_folders): fid = self._folder_ids[i] if folder.is_dir(): count = sum( 1 for f in folder.iterdir() if f.is_file() and f.suffix.lower() in SUPPORTED_EXTENSIONS ) self._folder_file_counts[fid] = count def _refresh_files(self, select_position: str = 'first') -> None: """Refresh the file list from all source folders, applying trim settings.""" from config import SUPPORTED_EXTENSIONS self.file_list.clear() if not self.source_folders: self._folder_file_counts.clear() return main_folder_indices = self._get_main_folder_indices() sub_indices = self._get_main_folder_sub_indices() # Scan each folder entry individually (supports duplicate folders) files_by_fid: dict[int, list[str]] = {} for i, folder in enumerate(self.source_folders): fid = self._folder_ids[i] if not folder.is_dir(): continue dir_files = sorted( [item.name for item in folder.iterdir() if item.is_file() and item.suffix.lower() in SUPPORTED_EXTENSIONS], key=str.lower ) files_by_fid[fid] = dir_files self._folder_file_counts = {fid: len(files) for fid, files in files_by_fid.items()} # file_idx counter keyed by base folder_idx so split halves share # continuous numbering (seq01_0000..seq01_0005, seq01_0006..seq01_0010) base_file_counts: dict[int, int] = {} is_first_folder = True for i, folder in enumerate(self.source_folders): fid = self._folder_ids[i] if fid not in files_by_fid: continue # Skip transition folders — they only participate in blending, # not in the main image sequence list. if fid not in main_folder_indices: continue folder_files = files_by_fid[fid] total_in_folder = len(folder_files) trim_start, trim_end = self._folder_trim_settings.get(fid, (0, 0)) trim_start = min(trim_start, max(0, total_in_folder - 1)) trim_end = min(trim_end, max(0, total_in_folder - 1 - trim_start)) end_idx = total_in_folder - trim_end trimmed_files = folder_files[trim_start:end_idx] # Filter out individually removed files removed = self._removed_files.get(fid, set()) if removed: trimmed_files = [f for f in trimmed_files if f not in removed] if not trimmed_files: continue folder_idx = main_folder_indices[fid] sub_idx = sub_indices.get(fid, 0) # Add separator between folders (not before first) if not is_first_folder: separator = self._create_folder_separator(folder_idx, sub_idx) self.file_list.addTopLevelItem(separator) is_first_folder = False for file_i, filename in enumerate(trimmed_files): file_idx = base_file_counts.get(folder_idx, 0) base_file_counts[folder_idx] = file_idx + 1 ext = Path(filename).suffix if sub_idx > 0: seq_name = f"seq{folder_idx + 1:02d}-{sub_idx}_{file_idx:04d}{ext}" else: seq_name = f"seq{folder_idx + 1:02d}_{file_idx:04d}{ext}" overall_frame = sum(base_file_counts.values()) item = QTreeWidgetItem([seq_name, filename, str(folder), str(overall_frame)]) item.setData(0, Qt.ItemDataRole.UserRole, (folder, filename, folder_idx, file_idx)) item.setData(0, Qt.ItemDataRole.UserRole + 2, fid) # Bold the last frame of each sequence if file_i == len(trimmed_files) - 1: font = item.font(0) font.setBold(True) for col in range(4): item.setFont(col, font) self.file_list.addTopLevelItem(item) total = self.file_list.topLevelItemCount() self.image_slider.setRange(0, max(0, total - 1)) if total > 0 and select_position != 'none': if select_position == 'last': self.file_list.setCurrentItem(self.file_list.topLevelItem(total - 1)) else: self.file_list.setCurrentItem(self.file_list.topLevelItem(0)) self._update_trim_slider_for_selected_folder() self._update_sequence_table() self._update_export_range_max() def _restore_files_from_session( self, folder_data: dict[str, tuple[int, list[tuple[int, str]]]] ) -> None: """Restore file list from session data, preserving exact sequence. Args: folder_data: Dict mapping folder paths to (folder_idx, [(file_idx, filename), ...]) """ self.file_list.clear() if not folder_data: self._folder_file_counts.clear() return # Sort folders by their index sorted_folders = sorted(folder_data.items(), key=lambda x: x[1][0]) self._folder_file_counts = {} is_first_folder = True overall_frame = 0 # Batch UI updates for performance self.file_list.setUpdatesEnabled(False) for folder_str, (folder_idx, file_list) in sorted_folders: folder_path = Path(folder_str) if not folder_path.exists(): continue folder_path = folder_path.resolve() # Find fid for this folder by matching to source_folders fid = 0 for i, sf in enumerate(self.source_folders): if sf == folder_path: fid = self._folder_ids[i] break # Sort files by their sequence index sorted_files = sorted(file_list, key=lambda x: x[0]) # Filter out individually removed files removed = self._removed_files.get(fid, set()) if removed: sorted_files = [(idx, fname) for idx, fname in sorted_files if fname not in removed] if not sorted_files: continue self._folder_file_counts[fid] = len(sorted_files) # Add separator between folders (not before first) if not is_first_folder: separator = self._create_folder_separator(folder_idx) self.file_list.addTopLevelItem(separator) is_first_folder = False for file_i, (file_idx, filename) in enumerate(sorted_files): ext = Path(filename).suffix seq_name = f"seq{folder_idx + 1:02d}_{file_idx:04d}{ext}" overall_frame += 1 item = QTreeWidgetItem([seq_name, filename, str(folder_path), str(overall_frame)]) item.setData(0, Qt.ItemDataRole.UserRole, (folder_path, filename, folder_idx, file_idx)) item.setData(0, Qt.ItemDataRole.UserRole + 2, fid) # Bold the last frame of each sequence if file_i == len(sorted_files) - 1: font = item.font(0) font.setBold(True) for col in range(4): item.setFont(col, font) self.file_list.addTopLevelItem(item) self.file_list.setUpdatesEnabled(True) total = self.file_list.topLevelItemCount() self.image_slider.setRange(0, max(0, total - 1)) if total > 0: self.file_list.setCurrentItem(self.file_list.topLevelItem(0)) self._update_trim_slider_for_selected_folder() self._update_sequence_table() self._update_export_range_max() def _create_folder_separator(self, next_folder_idx: int, sub_idx: int = 0) -> QTreeWidgetItem: """Create a visual separator item between folders.""" if sub_idx > 0: label = f"── Sequence {next_folder_idx + 1}-{sub_idx} (continued) ──" else: label = f"── Sequence {next_folder_idx + 1} ──" separator = QTreeWidgetItem(["", label, "", ""]) separator.setData(0, Qt.ItemDataRole.UserRole, None) # No data = separator # Light grey background grey = QColor(220, 220, 220) for col in range(4): separator.setBackground(col, grey) # Make it non-selectable and non-draggable separator.setFlags(Qt.ItemFlag.NoItemFlags) return separator def _is_separator_item(self, item: QTreeWidgetItem) -> bool: """Check if an item is a folder separator.""" return item.data(0, Qt.ItemDataRole.UserRole) is None def _get_files_in_order(self) -> list[tuple[Path, str, int, int, int]]: """Get files in the current list order with sequence info. Returns list of (folder, filename, folder_idx, file_idx, fid) tuples. """ files = [] for i in range(self.file_list.topLevelItemCount()): item = self.file_list.topLevelItem(i) data = item.data(0, Qt.ItemDataRole.UserRole) if data: fid = item.data(0, Qt.ItemDataRole.UserRole + 2) or 0 files.append((*data, fid)) return files def _recalculate_sequence_names(self) -> None: """Recalculate sequence names after file reordering.""" if not self.source_folders: return main_folder_indices = self._get_main_folder_indices() sub_indices = self._get_main_folder_sub_indices() # file_idx counter keyed by base folder_idx for continuous numbering base_file_counts: dict[int, int] = {} last_folder_idx = -1 # Collect items per fid to detect last file fid_items: dict[int, list[int]] = {} for i in range(self.file_list.topLevelItemCount()): item = self.file_list.topLevelItem(i) data = item.data(0, Qt.ItemDataRole.UserRole) if data: item_fid = item.data(0, Qt.ItemDataRole.UserRole + 2) or 0 if item_fid not in fid_items: fid_items[item_fid] = [] fid_items[item_fid].append(i) for i in range(self.file_list.topLevelItemCount()): item = self.file_list.topLevelItem(i) data = item.data(0, Qt.ItemDataRole.UserRole) if data: source_dir = data[0] filename = data[1] item_fid = item.data(0, Qt.ItemDataRole.UserRole + 2) or 0 folder_idx = main_folder_indices.get(item_fid, 0) sub_idx = sub_indices.get(item_fid, 0) file_idx = base_file_counts.get(folder_idx, 0) base_file_counts[folder_idx] = file_idx + 1 ext = Path(filename).suffix if sub_idx > 0: seq_name = f"seq{folder_idx + 1:02d}-{sub_idx}_{file_idx:04d}{ext}" else: seq_name = f"seq{folder_idx + 1:02d}_{file_idx:04d}{ext}" overall_frame = sum(base_file_counts.values()) item.setText(0, seq_name) item.setText(3, str(overall_frame)) item.setData(0, Qt.ItemDataRole.UserRole, (source_dir, filename, folder_idx, file_idx)) # Bold the last frame of each sequence is_last = (fid_items.get(item_fid, [])[-1] == i) font = item.font(0) font.setBold(is_last) for col in range(4): item.setFont(col, font) last_folder_idx = folder_idx elif self._is_separator_item(item): # Update separator label based on next file's folder next_folder_idx = last_folder_idx + 1 next_sub_idx = 0 for j in range(i + 1, self.file_list.topLevelItemCount()): next_item = self.file_list.topLevelItem(j) next_data = next_item.data(0, Qt.ItemDataRole.UserRole) if next_data: next_fid = next_item.data(0, Qt.ItemDataRole.UserRole + 2) or 0 next_folder_idx = main_folder_indices.get(next_fid, last_folder_idx + 1) next_sub_idx = sub_indices.get(next_fid, 0) break if next_sub_idx > 0: item.setText(1, f"── Sequence {next_folder_idx + 1}-{next_sub_idx} (continued) ──") else: item.setText(1, f"── Sequence {next_folder_idx + 1} ──") # Update the With Transitions tab to reflect the new order self._update_sequence_table() self._update_export_range_max() # --- Video Preview Methods --- def _get_videos_in_folder(self, folder: Path) -> list[Path]: """Get all video files in the parent folder of the source.""" videos = [] parent = folder.parent if parent.is_dir(): for item in parent.iterdir(): if item.is_file() and item.suffix.lower() in VIDEO_EXTENSIONS: videos.append(item) return sorted(videos, key=lambda p: p.name.lower()) def _get_folder_from_item(self, item: QListWidgetItem) -> Optional[Path]: """Extract folder path from list item.""" if item is None: return None # Placeholder items have no real folder if self._is_placeholder_item(item): return None data = item.data(Qt.ItemDataRole.UserRole) if data is not None: if isinstance(data, tuple) and len(data) == 2: return data[0] # (folder, fid) tuple return data # legacy: plain Path item_text = item.text() if item_text.startswith("[M] ") or item_text.startswith("[T] "): return Path(item_text[4:]) if ". " in item_text: return Path(item_text.split(". ", 1)[1]) return Path(item_text) def _get_fid_from_source_item(self, item: QListWidgetItem) -> Optional[int]: """Extract folder entry ID from a source list item.""" if item is None: return None data = item.data(Qt.ItemDataRole.UserRole) if isinstance(data, tuple) and len(data) == 2: return data[1] return None def _get_current_selected_item(self) -> Optional[QListWidgetItem]: """Get the currently selected item from the source list.""" selected = self.source_list.selectedItems() if selected: return selected[0] return None def _on_folder_selected(self, current, previous) -> None: """Handle folder selection change.""" self._stop_video() self.video_combo.clear() if current is None: current = self._get_current_selected_item() if current is None: self.trim_slider.setRange(0) self.trim_slider.setEnabled(False) self.trim_label.setText("Frames: No folder selected") return folder = self._get_folder_from_item(current) if folder is None: # Reset trim slider so stale info doesn't linger on placeholders self.trim_slider.setRange(0) self.trim_slider.setEnabled(False) self.trim_label.setText("Frames: No folder selected") return self._update_trim_slider_for_selected_folder() videos = self._get_videos_in_folder(folder) if not videos: self.video_combo.addItem("No videos found") self.video_combo.setEnabled(False) return self.video_combo.setEnabled(True) for video in videos: self.video_combo.addItem(video.name, video) self.video_combo.setCurrentIndex(0) def _update_trim_slider_for_selected_folder(self) -> None: """Update the trim slider to reflect the currently selected folder.""" current_item = self._get_current_selected_item() if current_item is None: self.trim_slider.setRange(0) self.trim_slider.setEnabled(False) self.trim_label.setText("Frames: No folder selected") return folder = self._get_folder_from_item(current_item) if folder is None: return fid = self._get_fid_from_source_item(current_item) if fid is None: return total = self._folder_file_counts.get(fid, 0) if total == 0: self.trim_slider.setRange(0) self.trim_slider.setEnabled(False) self.trim_label.setText("Frames: No images in folder") return trim_start, trim_end = self._folder_trim_settings.get(fid, (0, 0)) self.trim_slider.setEnabled(True) self.trim_slider.setRange(total) self.trim_slider.setTrimStart(trim_start) self.trim_slider.setTrimEnd(trim_end) self._update_trim_label(fid, folder, total, trim_start, trim_end) def _update_trim_label(self, fid: int, folder: Path, total: int, trim_start: int, trim_end: int) -> None: """Update the trim label to show current trim range.""" included_start = trim_start + 1 included_end = total - trim_end included_count = max(0, included_end - trim_start) # Count removed files that fall within the trimmed range removed = self._removed_files.get(fid, set()) if removed and included_count > 0: trimmed_files = self._get_trimmed_file_list(fid, folder) removed_in_range = sum(1 for f in trimmed_files if f in removed) effective_count = included_count - removed_in_range else: removed_in_range = 0 effective_count = included_count if included_count <= 0: self.trim_label.setText(f"Frames: None included (all {total} trimmed)") elif removed_in_range > 0: self.trim_label.setText( f"Frames {included_start}-{included_end} of {total} " f"({effective_count} included, {removed_in_range} removed)" ) elif trim_start == 0 and trim_end == 0: self.trim_label.setText(f"Frames: All {total} included") else: self.trim_label.setText(f"Frames {included_start}-{included_end} of {total} ({included_count} included)") def _on_trim_changed(self, trim_start: int, trim_end: int, handle: str) -> None: """Handle trim slider value changes (lightweight, called during drag).""" current_item = self._get_current_selected_item() if current_item is None: return folder = self._get_folder_from_item(current_item) if folder is None: return fid = self._get_fid_from_source_item(current_item) if fid is None: return total = self._folder_file_counts.get(fid, 0) self._folder_trim_settings[fid] = (trim_start, trim_end) self._update_trim_label(fid, folder, total, trim_start, trim_end) def _on_trim_drag_finished(self, trim_start: int, trim_end: int, handle: str) -> None: """Handle trim drag release (expensive rebuild).""" current_item = self._get_current_selected_item() if current_item is None: return fid = self._get_fid_from_source_item(current_item) if fid is None: return self._folder_trim_settings[fid] = (trim_start, trim_end) self._refresh_files(select_position='none') self._select_folder_boundary(fid, 'first' if handle == 'left' else 'last') def _select_folder_boundary(self, fid: int, position: str) -> None: """Select the first or last file of a specific folder entry in the file list.""" matching_indices = [] for i in range(self.file_list.topLevelItemCount()): item = self.file_list.topLevelItem(i) data = item.data(0, Qt.ItemDataRole.UserRole) item_fid = item.data(0, Qt.ItemDataRole.UserRole + 2) if data and item_fid == fid: matching_indices.append(i) if not matching_indices: return if position == 'last': select_idx = matching_indices[-1] else: select_idx = matching_indices[0] item = self.file_list.topLevelItem(select_idx) self.file_list.setCurrentItem(item) self.image_slider.setValue(select_idx) self._show_image_at_index(select_idx) def _on_video_selected(self, index: int) -> None: """Handle video selection from combo box.""" self._stop_video() if index < 0: return video_path = self.video_combo.currentData() if video_path and isinstance(video_path, Path) and video_path.exists(): self.media_player.setSource(QUrl.fromLocalFile(str(video_path))) # Play and immediately pause to show first frame self.media_player.play() self.media_player.pause() def _toggle_play(self) -> None: """Toggle play/pause state.""" if self.media_player.playbackState() == QMediaPlayer.PlaybackState.PlayingState: self.media_player.pause() self.play_btn.setText("Play") else: self.media_player.play() self.play_btn.setText("Pause") def _stop_video(self) -> None: """Stop video playback.""" self.media_player.stop() self.play_btn.setText("Play") self.video_slider.setValue(0) self.video_time_label.setText("00:00 / 00:00") def _on_position_changed(self, position: int) -> None: """Update slider and time label when playback position changes.""" self.video_slider.setValue(position) self._update_time_label(position, self.media_player.duration()) def _on_duration_changed(self, duration: int) -> None: """Update slider range when video duration is known.""" self.video_slider.setRange(0, duration) self._update_time_label(self.media_player.position(), duration) def _seek_video(self, position: int) -> None: """Seek to a position in the video.""" self.media_player.setPosition(position) def _update_time_label(self, position: int, duration: int) -> None: """Update the time label with current position and duration.""" def format_time(ms: int) -> str: seconds = ms // 1000 minutes = seconds // 60 seconds = seconds % 60 return f"{minutes:02d}:{seconds:02d}" self.video_time_label.setText(f"{format_time(position)} / {format_time(duration)}") # --- Image Sequence Preview Methods --- def _on_file_selected(self, current, previous) -> None: """Handle file selection in the list - update image preview.""" if current is None: return total = self.file_list.topLevelItemCount() current_index = self.file_list.indexOfTopLevelItem(current) self.image_slider.setRange(0, max(0, total - 1)) self.image_slider.setValue(current_index) self._show_image_at_index(current_index) # Sync source list selection so the trim slider shows this frame's folder fid = current.data(0, Qt.ItemDataRole.UserRole + 2) if fid is not None: self._select_folder_in_lists(fid) def _show_image_at_index(self, index: int) -> None: """Display the image at the given index in the file list.""" if index < 0 or index >= self.file_list.topLevelItemCount(): self._current_pixmap = None return item = self.file_list.topLevelItem(index) if item is None: self._current_pixmap = None return data = item.data(0, Qt.ItemDataRole.UserRole) if not data: self._current_pixmap = None return source_dir, filename = data[0], data[1] image_path = source_dir / filename if not image_path.exists(): self.image_label.setText(f"Image not found:\n{image_path}") self.image_name_label.setText("") self._current_pixmap = None return pixmap = QPixmap(str(image_path)) if pixmap.isNull(): self.image_label.setText(f"Cannot load image:\n{image_path}") self.image_name_label.setText("") self._current_pixmap = None return self._current_pixmap = pixmap self._apply_zoom() total = self.file_list.topLevelItemCount() self.image_index_label.setText(f"{index + 1} / {total}") seq_name = item.text(0) self.image_name_label.setText(f"{seq_name} ({filename})") self.file_list.setCurrentItem(item) def _apply_zoom(self) -> None: """Apply current zoom level to the image.""" if self._current_pixmap is None: return if self._zoom_level == 1.0: scaled = self._current_pixmap.scaled( self.image_scroll.size() * 0.95, Qt.AspectRatioMode.KeepAspectRatio, Qt.TransformationMode.SmoothTransformation ) else: new_size = self._current_pixmap.size() * self._zoom_level scaled = self._current_pixmap.scaled( new_size, Qt.AspectRatioMode.KeepAspectRatio, Qt.TransformationMode.SmoothTransformation ) self.image_label.setPixmap(scaled) self.zoom_label.setText(f"{int(self._zoom_level * 100)}%") def _zoom_in(self) -> None: """Zoom in on the image.""" if self._zoom_level < 5.0: self._zoom_level = min(5.0, self._zoom_level * 1.25) self._apply_zoom() def _zoom_out(self) -> None: """Zoom out on the image.""" if self._zoom_level > 0.1: self._zoom_level = max(0.1, self._zoom_level / 1.25) self._apply_zoom() def _zoom_reset(self) -> None: """Reset zoom to fit the scroll area.""" self._zoom_level = 1.0 self._apply_zoom() def _delete_current_image(self) -> None: """Delete the currently displayed image from the sequence.""" current_index = self.image_slider.value() total = self.file_list.topLevelItemCount() if total == 0 or current_index < 0 or current_index >= total: return self.file_list.takeTopLevelItem(current_index) self._recalculate_sequence_names() new_total = self.file_list.topLevelItemCount() self.image_slider.setRange(0, max(0, new_total - 1)) if new_total == 0: self.image_label.clear() self.image_name_label.setText("") self.image_index_label.setText("0 / 0") self._current_pixmap = None else: new_index = min(current_index, new_total - 1) self.image_slider.setValue(new_index) self._show_image_at_index(new_index) def _prev_image(self) -> None: """Show the previous image in the sequence.""" current = self.image_slider.value() if current > 0: self.image_slider.setValue(current - 1) def _next_image(self) -> None: """Show the next image in the sequence.""" current = self.image_slider.value() if current < self.image_slider.maximum(): self.image_slider.setValue(current + 1) def _on_image_slider_changed(self, value: int) -> None: """Handle image slider movement.""" self._show_image_at_index(value) def _confirm_overwrite(self, *directories: Path) -> bool: """Check if any directory contains seq_* files and ask the user to confirm.""" existing = [] for d in directories: if d.is_dir(): count = sum(1 for _ in d.glob("seq_*")) if count > 0: existing.append((d, count)) if not existing: return True lines = "\n".join(f" {d} ({n} files)" for d, n in existing) reply = QMessageBox.question( self, "Overwrite Existing Files?", f"The following directories already contain exported frames " f"that will be updated:\n\n{lines}\n\n" f"Unchanged files will be kept. Continue?", QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No, QMessageBox.StandardButton.No, ) return reply == QMessageBox.StandardButton.Yes def _export_sequence(self) -> None: """Export symlinks only (no transitions), with progress bar.""" dst = self.dst_path.currentText() if not self.source_folders: QMessageBox.warning(self, "Error", "Add at least one source folder!") return if not dst: QMessageBox.warning(self, "Error", "Select a destination folder!") return files = self._get_files_in_order() if not files: QMessageBox.warning(self, "Error", "No files to process!") return dest = Path(dst) copy_files = self.copy_files_check.isChecked() if not self._confirm_overwrite(dest): return try: self.manager.validate_paths(self.source_folders, dest) except SymlinkError as e: QMessageBox.critical(self, "Error", str(e)) return # Build planned names for incremental export / orphan removal planned_names: set[str] = set() for source_dir, filename, folder_idx, file_idx, _fid in files: ext = Path(filename).suffix planned_names.add(f"seq{folder_idx + 1:02d}_{file_idx:04d}{ext}") try: session_id = self.db.create_session(str(dest)) except Exception as e: QMessageBox.critical(self, "Database Error", f"Failed to create session: {e}") return self._current_session_id = session_id if session_id: self._save_session_settings(session_id, save_effective_types=True) total = len(files) link_type = "copies" if copy_files else "symlinks" progress = QProgressDialog( f"Exporting {total} files...", "Cancel", 0, total, self ) progress.setWindowTitle("Export Sequence") progress.setWindowModality(Qt.WindowModality.WindowModal) progress.setMinimumDuration(0) progress.setAutoReset(False) progress.setAutoClose(False) progress.setValue(0) import shutil successful = 0 skipped = 0 errors = [] symlink_records = [] for i, (source_dir, filename, folder_idx, file_idx, _fid) in enumerate(files): if progress.wasCanceled(): break source_path = source_dir / filename ext = source_path.suffix link_name = f"seq{folder_idx + 1:02d}_{file_idx:04d}{ext}" link_path = dest / link_name # Throttle UI updates — label text changes are expensive if i % 10 == 0: progress.setLabelText(f"Exporting file {i + 1}/{total}: {filename}") progress.setValue(i) QApplication.processEvents() try: # Check if existing file already matches — skip if unchanged already_correct = False if link_path.exists() or link_path.is_symlink(): if copy_files: already_correct = SymlinkManager.copy_matches(link_path, source_path) else: already_correct = SymlinkManager.symlink_matches(link_path, source_path) if already_correct: skipped += 1 symlink_records.append(( str(source_path.resolve()), str(link_path), filename, i, )) continue if link_path.exists() or link_path.is_symlink(): link_path.unlink() if copy_files: shutil.copy2(source_path, link_path) else: rel_source = Path(os.path.relpath(source_path.resolve(), dest.resolve())) link_path.symlink_to(rel_source) successful += 1 symlink_records.append(( str(source_path.resolve()), str(link_path), filename, i, )) except Exception as e: errors.append(f"{filename}: {e}") # Remove orphan seq*/film_temp_* files not in the planned set try: SymlinkManager.remove_orphan_files(dest, planned_names) except CleanupError: pass # Batch DB insert — one transaction instead of per-file connections if symlink_records: try: self.db.record_symlinks_batch(session_id, symlink_records) except Exception: pass # Don't fail the export over DB recording progress.setValue(total) progress.close() skip_note = f", skipped {skipped} unchanged" if skipped > 0 else "" if progress.wasCanceled(): QMessageBox.warning( self, "Canceled", f"Export canceled.\n" f"Created {successful} {link_type} before cancellation{skip_note}.\n" f"Destination: {dst}" ) elif errors: QMessageBox.warning( self, "Partial Success", f"Created {successful} {link_type}, {len(errors)} failed{skip_note}.\n" f"First error: {errors[0]}\n" f"Destination: {dst}" ) else: QMessageBox.information( self, "Success", f"Created {successful} {link_type}{skip_note} to {dst}" ) def _export_with_transitions(self) -> None: """Export with cross-dissolve transitions.""" dst = self.dst_path.currentText() if not self.source_folders: QMessageBox.warning(self, "Error", "Add at least one source folder!") return if not dst: QMessageBox.warning(self, "Error", "Select a destination folder!") return files = self._get_files_in_order() if not files: QMessageBox.warning(self, "Error", "No files to process!") return # Range is applied inside _process_with_transitions on the output # sequence, not on the input file list, because the output includes # blended/interpolated frames whose indices differ from input indices. export_range = None if self.export_options_group.isChecked(): export_range = (self.range_start_spin.value(), self.range_end_spin.value()) transition_settings = self._get_transition_settings() # Use transition destination if specified, otherwise use main destination trans_dst = transition_settings.trans_destination if trans_dst is None: trans_dst = Path(dst) try: copy_files = self.copy_files_check.isChecked() if len(self.source_folders) >= 2: self._process_with_transitions(Path(dst), trans_dst, files, transition_settings, copy_files, export_range) else: # Fall back to regular export if less than 2 folders self._export_sequence() return except SymlinkError as e: QMessageBox.critical(self, "Error", str(e)) return except Exception as e: QMessageBox.critical(self, "Unexpected Error", str(e)) return # Trigger video encoding if enabled — all output is in trans_dest if self.export_options_group.isChecked() and self.video_export_check.isChecked(): self._encode_output_video(trans_dst) def _update_export_range_max(self) -> None: """Update export range spinbox maximums based on current file count. When transitions are enabled, uses the full sequence frame count (including TRANSITION folder middle frames) instead of MAIN-only count. """ if self.transition_group.isChecked() and self._sequence_frame_count > 0: total = self._sequence_frame_count else: total = len(self._get_files_in_order()) max_val = max(0, total - 1) old_end_max = self.range_end_spin.maximum() # Temporarily disconnect to avoid cross-constraint issues self.range_start_spin.blockSignals(True) self.range_end_spin.blockSignals(True) self.range_start_spin.setMaximum(max_val) self.range_end_spin.setMaximum(max_val) # If end was at old max, snap to new max if self.range_end_spin.value() == old_end_max or self.range_end_spin.value() > max_val: self.range_end_spin.setValue(max_val) # Ensure start <= end if self.range_start_spin.value() > self.range_end_spin.value(): self.range_start_spin.setValue(self.range_end_spin.value()) # Re-apply cross constraints self.range_end_spin.setMinimum(self.range_start_spin.value()) self.range_start_spin.setMaximum(self.range_end_spin.value()) self.range_start_spin.blockSignals(False) self.range_end_spin.blockSignals(False) def _reset_export_range(self) -> None: """Reset export range to cover all frames.""" if self.transition_group.isChecked() and self._sequence_frame_count > 0: total = self._sequence_frame_count else: total = len(self._get_files_in_order()) max_val = max(0, total - 1) self.range_start_spin.blockSignals(True) self.range_end_spin.blockSignals(True) self.range_start_spin.setMinimum(0) self.range_start_spin.setMaximum(max_val) self.range_end_spin.setMinimum(0) self.range_end_spin.setMaximum(max_val) self.range_start_spin.setValue(0) self.range_end_spin.setValue(max_val) self.range_start_spin.blockSignals(False) self.range_end_spin.blockSignals(False) def _encode_video_only(self) -> None: """Encode video from exported seq_* files, or directly from source images.""" if not find_ffmpeg(): QMessageBox.warning( self, "ffmpeg Not Found", "ffmpeg is not installed or not found in PATH.\n" "Install ffmpeg to use video encoding." ) return dst = self.dst_path.currentText().strip() dst_dir = Path(dst) if dst else None # Check transition destination first (Export with Transitions writes there), # then fall back to main destination (Export Sequence writes there). trans_dst = self.trans_dst_path.currentText().strip() trans_dst_dir = Path(trans_dst) if trans_dst else None encode_dir = None if trans_dst_dir is not None and trans_dst_dir.is_dir() and any(trans_dst_dir.glob("seq_*")): encode_dir = trans_dst_dir elif dst_dir is not None and dst_dir.is_dir() and any(dst_dir.glob("seq_*")): encode_dir = dst_dir if encode_dir is not None: self._encode_output_video(encode_dir) else: # Encode directly from the current file list (no prior export needed) files = self._get_files_in_order() if not files: QMessageBox.warning(self, "Error", "No files in the sequence to encode!") return # Apply export range if set if self.export_options_group.isChecked(): start = self.range_start_spin.value() end = self.range_end_spin.value() files = files[start:end + 1] file_paths = [source_dir / filename for source_dir, filename, *_ in files] preset_key = self.video_preset_combo.currentData() if preset_key is None: return preset = VIDEO_PRESETS[preset_key] fps = self.fps_spin.value() # Ask where to save the video default_name = f"output.{preset.container}" save_path, _ = QFileDialog.getSaveFileName( self, "Save Video", default_name, f"Video (*.{preset.container})" ) if not save_path: return output_path = Path(save_path) total_frames = len(file_paths) progress = QProgressDialog("Encoding video...", "Cancel", 0, total_frames, self) progress.setWindowModality(Qt.WindowModality.WindowModal) progress.setMinimumDuration(0) progress.setValue(0) cancelled = False def on_progress(current: int, total: int) -> bool: nonlocal cancelled progress.setValue(current) QApplication.processEvents() if progress.wasCanceled(): cancelled = True return False return True success, message = encode_from_file_list( file_paths=file_paths, output_path=output_path, fps=fps, preset=preset, progress_callback=on_progress, ) progress.close() if success: QMessageBox.information( self, "Video Encoded", f"Video saved to:\n{message}" ) elif not cancelled: QMessageBox.critical( self, "Encoding Failed", f"Video encoding failed:\n{message}" ) def _encode_output_video(self, output_dir: Path) -> None: """Encode the exported image sequence to video using ffmpeg.""" if not find_ffmpeg(): QMessageBox.warning( self, "ffmpeg Not Found", "ffmpeg is not installed or not found in PATH.\n" "Install ffmpeg to use video encoding." ) return preset_key = self.video_preset_combo.currentData() if preset_key is None: return preset = VIDEO_PRESETS[preset_key] fps = self.fps_spin.value() # Count seq_* files and detect extension seq_files = sorted(output_dir.glob("seq_*")) if not seq_files: QMessageBox.warning(self, "No Frames", "No seq_* files found in output directory.") return total_frames = len(seq_files) output_path = output_dir / f"output.{preset.container}" progress = QProgressDialog("Encoding video...", "Cancel", 0, total_frames, self) progress.setWindowModality(Qt.WindowModality.WindowModal) progress.setMinimumDuration(0) progress.setValue(0) cancelled = False def on_progress(current: int, total: int) -> bool: nonlocal cancelled progress.setValue(current) QApplication.processEvents() if progress.wasCanceled(): cancelled = True return False return True success, message = encode_image_sequence( input_dir=output_dir, output_path=output_path, fps=fps, preset=preset, progress_callback=on_progress, total_frames=total_frames, ) progress.close() if success: QMessageBox.information( self, "Video Encoded", f"Video saved to:\n{message}" ) elif not cancelled: QMessageBox.critical( self, "Encoding Failed", f"Video encoding failed:\n{message}" ) def _save_session_settings(self, session_id: int, save_effective_types: bool = False) -> None: """Save transition settings and folder type overrides to database. Args: session_id: The session ID. save_effective_types: If True, save the effective folder type for every folder (used by "Export with Transitions" to preserve MAIN/TRANSITION assignments). If False, only save explicit overrides and trim settings. """ self.db.save_transition_settings(session_id, self._get_transition_settings()) for folder_idx, folder in enumerate(self.source_folders): fid = self._folder_ids[folder_idx] trim_start, trim_end = self._folder_trim_settings.get(fid, (0, 0)) # Always use resolved path so it matches symlink source paths in DB resolved_folder = str(folder.resolve()) if save_effective_types: # Save effective type so restore doesn't rely on index-based auto-detection effective_type = self._get_effective_folder_type(folder_idx, folder) self.db.save_trim_settings( session_id, resolved_folder, trim_start, trim_end, effective_type, folder_order=folder_idx, ) else: folder_type = self._folder_type_overrides.get(fid, FolderType.AUTO) self.db.save_trim_settings( session_id, resolved_folder, trim_start, trim_end, folder_type, folder_order=folder_idx, ) for fid, pts in self._per_transition_settings.items(): # Find folder_order (position index) for this fid folder_order = self._folder_ids.index(fid) if fid in self._folder_ids else 0 folder = self.source_folders[folder_order] if folder_order < len(self.source_folders) else pts.trans_folder # Use resolved path so it matches folder paths in other tables resolved_pts = PerTransitionSettings( trans_folder=folder.resolve(), left_overlap=pts.left_overlap, right_overlap=pts.right_overlap, ) self.db.save_per_transition_settings(session_id, resolved_pts, folder_order=folder_order) for fid, removed in self._removed_files.items(): if removed: folder_order = self._folder_ids.index(fid) if fid in self._folder_ids else 0 folder = self.source_folders[folder_order] if folder_order < len(self.source_folders) else Path("unknown") self.db.save_removed_files(session_id, str(folder.resolve()), list(removed), folder_order=folder_order) for fid, dt in self._direct_transitions.items(): folder_order = self._folder_ids.index(fid) if fid in self._folder_ids else 0 folder = self.source_folders[folder_order] if folder_order < len(self.source_folders) else dt.after_folder self.db.save_direct_transition( session_id, str(folder.resolve()), dt.frame_count, dt.method.value, dt.enabled, folder_order=folder_order, ) def _process_with_transitions( self, symlink_dest: Path, trans_dest: Path, files: list[tuple], settings: TransitionSettings, copy_files: bool = False, export_range: Optional[tuple[int, int]] = None, ) -> None: """Process files with cross-dissolve transitions. All output (symlinks/copies AND blended frames) goes to trans_dest so that the main destination's Export Sequence files are never touched. Args: symlink_dest: Main destination (used only for validation/session). trans_dest: Where all transition output files are written. export_range: Optional (start, end) output frame range. Only output frames whose sequence number falls within this range are written. """ self.manager.validate_paths(self.source_folders, symlink_dest) # Only write to trans_dest — never touch symlink_dest's seq* files trans_dest.mkdir(parents=True, exist_ok=True) if not self._confirm_overwrite(trans_dest): return planned_names: set[str] = set() session_id = self.db.create_session(str(symlink_dest)) self._current_session_id = session_id self._save_session_settings(session_id, save_effective_types=True) # Build files_by_idx: position index → file list (supports duplicate folders) fid_to_pos = {fid: i for i, fid in enumerate(self._folder_ids)} files_by_idx: dict[int, list[str]] = {} for source_dir, filename, folder_idx, file_idx, fid in files: pi = fid_to_pos.get(fid, 0) if pi not in files_by_idx: files_by_idx[pi] = [] files_by_idx[pi].append(filename) # Include TRANSITION folder files (not in file_list but needed for blending) from config import SUPPORTED_EXTENSIONS as _SUP_EXT for idx, folder in enumerate(self.source_folders): if idx not in files_by_idx: ft = self._get_effective_folder_type(idx, folder) if ft == FolderType.TRANSITION and folder.is_dir(): trans_files = sorted( [item.name for item in folder.iterdir() if item.is_file() and item.suffix.lower() in _SUP_EXT], key=str.lower ) # Apply trim settings to transition folders fid = self._folder_ids[idx] ts, te = self._folder_trim_settings.get(fid, (0, 0)) if ts > 0 or te > 0: total_t = len(trans_files) ts = min(ts, max(0, total_t - 1)) te = min(te, max(0, total_t - 1 - ts)) trans_files = trans_files[ts:total_t - te] if trans_files: files_by_idx[idx] = trans_files # Build index-keyed overrides and per-transition dicts for blender overrides_by_idx: dict[int, FolderType] = {} per_trans_by_idx: dict[int, PerTransitionSettings] = {} for i in range(len(self.source_folders)): fid = self._folder_ids[i] if fid in self._folder_type_overrides: overrides_by_idx[i] = self._folder_type_overrides[fid] if fid in self._per_transition_settings: per_trans_by_idx[i] = self._per_transition_settings[fid] generator = TransitionGenerator(settings) transitions = generator.identify_transition_boundaries( self.source_folders, files_by_idx, overrides_by_idx, per_trans_by_idx ) trans_at_main_end: dict[int, TransitionSpec] = {} trans_at_trans_start: dict[int, TransitionSpec] = {} for trans in transitions: trans_at_main_end[trans.main_folder_idx] = trans trans_at_trans_start[trans.trans_folder_idx] = trans # Build transition boundary summary for the completion dialog boundary_notes: list[str] = [] for trans in transitions: main_count = len(trans.main_files) trans_count = len(trans.trans_files) capped = "" if trans.left_overlap < 16 or trans.right_overlap < 16: parts = [] if trans.left_overlap < 16: parts.append(f"{trans.main_folder.name} has {main_count} files") if trans.right_overlap < 16: parts.append(f"{trans.trans_folder.name} has {trans_count} files") capped = f" (capped: {', '.join(parts)})" boundary_notes.append( f" {trans.main_folder.name} -> {trans.trans_folder.name}: " f"{trans.left_overlap}/{trans.right_overlap} overlap{capped}" ) # Count total files including direct interpolation frames # Include all folders — TRANSITION folders contribute middle (non-overlap) frames total_files = sum(len(f) for f in files_by_idx.values()) for fid, direct_settings in self._direct_transitions.items(): if direct_settings.enabled: total_files += direct_settings.frame_count progress = QProgressDialog("Generating sequence...", "Cancel", 0, total_files, self) progress.setWindowTitle("Cross-Dissolve Generation") progress.setWindowModality(Qt.WindowModality.WindowModal) progress.setMinimumDuration(0) progress.setAutoReset(False) progress.setAutoClose(False) progress.setValue(0) import shutil current_op = 0 output_seq = 0 symlink_count = 0 skipped = 0 blend_count = 0 blend_skipped_range = 0 errors = [] symlink_records = [] num_folders = len(self.source_folders) for folder_idx, folder in enumerate(self.source_folders): if progress.wasCanceled(): break folder_files = files_by_idx.get(folder_idx, []) if not folder_files: continue folder_label = folder.name progress.setLabelText( f"Processing folder {folder_idx + 1}/{num_folders}: {folder_label}..." ) num_files = len(folder_files) trans_at_end = trans_at_main_end.get(folder_idx) trans_at_start = trans_at_trans_start.get(folder_idx) for file_idx, filename in enumerate(folder_files): if progress.wasCanceled(): break source_path = folder / filename should_blend = False should_skip = False blend_trans = None blend_idx_in_overlap = 0 if trans_at_end: left_overlap = trans_at_end.left_overlap main_overlap_start = num_files - left_overlap if file_idx >= main_overlap_start: should_blend = True blend_trans = trans_at_end blend_idx_in_overlap = file_idx - main_overlap_start if trans_at_start and not should_blend: right_overlap = trans_at_start.right_overlap if file_idx < right_overlap: should_skip = True current_op += 1 progress.setValue(current_op) continue # Check if this output frame is within the export range in_range = ( export_range is None or (export_range[0] <= output_seq <= export_range[1]) ) if should_blend and blend_trans: if in_range: # Generate asymmetric blend frame — always regenerate output_count = max(blend_trans.left_overlap, blend_trans.right_overlap) # Calculate positions t = blend_idx_in_overlap / (output_count - 1) if output_count > 1 else 0 # Get main frame main_path = source_path # Get trans frame position trans_pos = t * (blend_trans.right_overlap - 1) if blend_trans.right_overlap > 1 else 0 trans_idx = round(trans_pos) trans_idx = min(trans_idx, blend_trans.right_overlap - 1) trans_file = blend_trans.trans_files[trans_idx] trans_path = blend_trans.trans_folder / trans_file factor = generator.blender.calculate_blend_factor( blend_idx_in_overlap, output_count, settings.blend_curve ) ext = f".{settings.output_format.lower()}" output_name = f"seq_{output_seq:05d}{ext}" output_path = trans_dest / output_name planned_names.add(output_name) # Always unlink stale file before regenerating blend if output_path.exists() or output_path.is_symlink(): output_path.unlink() result = generator.blender.blend_images( main_path, trans_path, factor, output_path, settings.output_format, settings.output_quality, settings.webp_method, settings.blend_method, settings.rife_binary_path, settings.rife_model, settings.rife_uhd, settings.rife_tta, settings.practical_rife_model, settings.practical_rife_ensemble ) if result.success: blend_count += 1 symlink_records.append(( str(main_path.resolve()), str(output_path), filename, output_seq )) else: errors.append(f"Blend {filename}: {result.error}") else: blend_skipped_range += 1 output_seq += 1 else: if in_range: out_fmt = settings.output_format.lower() src_ext = source_path.suffix.lower() needs_convert = src_ext != f".{out_fmt}" and src_ext not in ( '.jpg' if out_fmt == 'jpeg' else '', '.jpeg' if out_fmt == 'jpg' else '' ) ext = f".{out_fmt}" if needs_convert else source_path.suffix link_name = f"seq_{output_seq:05d}{ext}" link_path = trans_dest / link_name planned_names.add(link_name) if needs_convert: # Format mismatch — convert via PIL try: if link_path.exists() or link_path.is_symlink(): link_path.unlink() from PIL import Image img = Image.open(source_path) save_kwargs = {} if out_fmt in ('jpg', 'jpeg'): img = img.convert('RGB') save_kwargs['quality'] = settings.output_quality elif out_fmt == 'webp': save_kwargs['quality'] = settings.output_quality save_kwargs['method'] = settings.webp_method img.save(link_path, **save_kwargs) symlink_count += 1 symlink_records.append(( str(source_path.resolve()), str(link_path), filename, output_seq )) except Exception as e: errors.append(f"Convert {filename}: {e}") else: # Check if existing file already matches — skip if unchanged already_correct = False if link_path.exists() or link_path.is_symlink(): if copy_files: already_correct = SymlinkManager.copy_matches(link_path, source_path) else: already_correct = SymlinkManager.symlink_matches(link_path, source_path) if already_correct: skipped += 1 symlink_records.append(( str(source_path.resolve()), str(link_path), filename, output_seq )) else: try: if link_path.exists() or link_path.is_symlink(): link_path.unlink() if copy_files: shutil.copy2(source_path, link_path) else: rel_source = Path(os.path.relpath(source_path.resolve(), trans_dest.resolve())) link_path.symlink_to(rel_source) symlink_count += 1 symlink_records.append(( str(source_path.resolve()), str(link_path), filename, output_seq )) except Exception as e: errors.append(f"Symlink {filename}: {e}") output_seq += 1 current_op += 1 progress.setValue(current_op) QApplication.processEvents() # Check for direct interpolation after this folder fid = self._folder_ids[folder_idx] if fid in self._direct_transitions: direct_settings = self._direct_transitions[fid] if direct_settings.enabled: # Find next folder and get its first frame next_folder_idx = folder_idx + 1 if next_folder_idx < len(self.source_folders): next_folder = self.source_folders[next_folder_idx] next_files = files_by_idx.get(next_folder_idx, []) if next_files and folder_files: # Get last frame of current folder and first of next last_frame = folder / folder_files[-1] first_frame = next_folder / next_files[0] batch_end = output_seq + direct_settings.frame_count - 1 # Check if any frame in this batch falls within the range batch_in_range = ( export_range is None or (output_seq <= export_range[1] and batch_end >= export_range[0]) ) if batch_in_range: progress.setLabelText( f"Generating {direct_settings.method.value.upper()} frames..." ) # Add planned names and unlink stale files before regeneration out_fmt_ext = f".{settings.output_format.lower()}" for di in range(direct_settings.frame_count): dname = f"seq_{(output_seq + di):05d}{out_fmt_ext}" planned_names.add(dname) dpath = trans_dest / dname if dpath.exists() or dpath.is_symlink(): dpath.unlink() # Generate direct interpolation frames direct_results = generator.generate_direct_interpolation_frames( last_frame, first_frame, direct_settings.frame_count, direct_settings.method, trans_dest, folder_idx, output_seq, settings.practical_rife_model, settings.practical_rife_ensemble ) for result in direct_results: if result.success: blend_count += 1 symlink_records.append(( str(result.source_a.resolve()), str(result.output_path), result.output_path.name, output_seq )) else: errors.append( f"Direct interp {result.output_path.name}: {result.error}" ) output_seq += 1 else: output_seq += direct_settings.frame_count progress.setLabelText( f"Processing folder {folder_idx + 1}/{num_folders}: {folder_label}..." ) # Remove orphan seq*/film_temp_* files not in the planned set try: SymlinkManager.remove_orphan_files(trans_dest, planned_names) except CleanupError: pass # Batch DB insert — one transaction instead of per-file connections if symlink_records: try: self.db.record_symlinks_batch(session_id, symlink_records) except Exception: pass # Don't fail the export over DB recording progress.close() link_type = "copies" if copy_files else "symlinks" skip_note = f", skipped {skipped} unchanged" if skipped > 0 else "" range_note = "" if blend_skipped_range > 0: range_note = f"\n({blend_skipped_range} blends outside export range)" if progress.wasCanceled(): QMessageBox.warning( self, "Canceled", f"Operation canceled.\n" f"Created {symlink_count} {link_type}, {blend_count} blended frames{skip_note}." f"{range_note}" ) elif errors: QMessageBox.warning( self, "Partial Success", f"Created {symlink_count} {link_type}, {blend_count} blended frames{skip_note}.\n" f"{len(errors)} errors occurred.\n" f"First error: {errors[0] if errors else 'N/A'}\n" f"Output: {trans_dest}" f"{range_note}" ) else: QMessageBox.information( self, "Success", f"Created {symlink_count} {link_type} and {blend_count} blended frames{skip_note}.\n" f"Output: {trans_dest}" f"{range_note}" )