271 lines
9.0 KiB
Python
271 lines
9.0 KiB
Python
"""
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Bake-and-swap blur operators for VSE.
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This module bakes masked blur into a regular video file using the inference
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server, then swaps the active strip's source filepath to the baked result.
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"""
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import os
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import bpy
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from bpy.props import IntProperty
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from bpy.types import Operator
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from ..core.async_bake_generator import get_bake_generator
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from ..core.async_generator import get_generator as get_mask_generator
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KEY_ORIGINAL = "facemask_original_filepath"
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KEY_BAKED = "facemask_baked_filepath"
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KEY_MODE = "facemask_source_mode"
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KEY_FORMAT = "facemask_bake_format"
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KEY_BLUR_SIZE = "facemask_bake_blur_size"
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FORMAT_EXT = {
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"MP4": "mp4",
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"AVI": "avi",
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"MOV": "mov",
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}
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def _find_mask_strip(seq_editor, strip_name: str):
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return seq_editor.strips.get(f"{strip_name}_mask")
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def _resolve_mask_path(mask_strip) -> str:
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if mask_strip.type == "MOVIE":
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return bpy.path.abspath(mask_strip.filepath)
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return ""
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def _output_path(video_strip, mask_path: str, fmt: str) -> str:
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ext = FORMAT_EXT.get(fmt, "mp4")
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out_dir = os.path.dirname(mask_path)
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safe_name = video_strip.name.replace("/", "_").replace("\\", "_")
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return os.path.join(out_dir, f"{safe_name}_blurred.{ext}")
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def _reload_movie_strip(strip):
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if hasattr(strip, "reload"):
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try:
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strip.reload()
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except Exception:
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pass
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def _set_strip_source(strip, filepath: str):
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strip.filepath = filepath
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_reload_movie_strip(strip)
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class SEQUENCER_OT_bake_and_swap_blur_source(Operator):
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"""Bake masked blur and replace active strip source with baked video."""
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bl_idname = "sequencer.bake_and_swap_blur_source"
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bl_label = "Bake & Swap Source"
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bl_description = "Bake masked blur to video and swap active strip source"
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bl_options = {"REGISTER", "UNDO"}
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@classmethod
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def poll(cls, context):
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if not context.scene.sequence_editor:
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return False
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# Prevent overlapping heavy tasks
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if get_mask_generator().is_running:
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return False
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if get_bake_generator().is_running:
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return False
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strip = context.scene.sequence_editor.active_strip
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return bool(strip and strip.type == "MOVIE")
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def execute(self, context):
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seq_editor = context.scene.sequence_editor
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scene = context.scene
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video_strip = seq_editor.active_strip
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mask_strip = _find_mask_strip(seq_editor, video_strip.name)
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if not mask_strip:
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self.report({"ERROR"}, f"Mask strip not found: {video_strip.name}_mask")
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return {"CANCELLED"}
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video_path = bpy.path.abspath(video_strip.filepath)
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mask_path = _resolve_mask_path(mask_strip)
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if not os.path.exists(video_path):
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self.report({"ERROR"}, f"Source video not found: {video_path}")
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return {"CANCELLED"}
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if not mask_path or not os.path.exists(mask_path):
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self.report({"ERROR"}, f"Mask video not found: {mask_path}")
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return {"CANCELLED"}
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bake_format = scene.facemask_bake_format
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output_path = _output_path(video_strip, mask_path, bake_format)
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blur_size = int(scene.facemask_bake_blur_size)
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# Reuse baked cache when parameters match and file still exists.
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cached_baked_path = video_strip.get(KEY_BAKED)
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cached_format = video_strip.get(KEY_FORMAT)
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cached_blur_size = video_strip.get(KEY_BLUR_SIZE)
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try:
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cached_blur_size_int = int(cached_blur_size)
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except (TypeError, ValueError):
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cached_blur_size_int = None
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if (
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cached_baked_path
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and os.path.exists(cached_baked_path)
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and cached_format == bake_format
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and cached_blur_size_int == blur_size
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):
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if video_strip.get(KEY_MODE) != "baked":
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video_strip[KEY_MODE] = "baked"
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_set_strip_source(video_strip, cached_baked_path)
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self.report({"INFO"}, "Using cached baked blur")
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return {"FINISHED"}
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bake_generator = get_bake_generator()
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wm = context.window_manager
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def on_complete(status, data):
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strip = context.scene.sequence_editor.strips.get(video_strip.name)
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if not strip:
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print(f"[FaceMask] Bake complete but strip no longer exists: {video_strip.name}")
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return
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if status == "done":
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result_path = data or output_path
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original_path = strip.get(KEY_ORIGINAL)
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current_mode = strip.get(KEY_MODE, "original")
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if not original_path or current_mode != "baked":
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strip[KEY_ORIGINAL] = video_path
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strip[KEY_BAKED] = result_path
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strip[KEY_MODE] = "baked"
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strip[KEY_FORMAT] = bake_format
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strip[KEY_BLUR_SIZE] = blur_size
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_set_strip_source(strip, result_path)
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print(f"[FaceMask] Bake completed and source swapped: {result_path}")
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elif status == "error":
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print(f"[FaceMask] Bake failed: {data}")
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elif status == "cancelled":
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print("[FaceMask] Bake cancelled")
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for area in context.screen.areas:
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if area.type == "SEQUENCE_EDITOR":
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area.tag_redraw()
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def on_progress(current, total):
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wm.bake_progress = current
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wm.bake_total = max(total, 1)
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for area in context.screen.areas:
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if area.type == "SEQUENCE_EDITOR":
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area.tag_redraw()
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wm.bake_progress = 0
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wm.bake_total = 1
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try:
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bake_generator.start(
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video_path=video_path,
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mask_path=mask_path,
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output_path=output_path,
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blur_size=blur_size,
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fmt=bake_format.lower(),
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on_complete=on_complete,
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on_progress=on_progress,
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)
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except Exception as e:
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self.report({"ERROR"}, f"Failed to start bake: {e}")
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return {"CANCELLED"}
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self.report({"INFO"}, "Started blur bake in background")
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return {"FINISHED"}
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class SEQUENCER_OT_restore_original_source(Operator):
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"""Restore active strip source filepath to original video."""
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bl_idname = "sequencer.restore_original_source"
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bl_label = "Restore Original Source"
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bl_description = "Restore active strip to original source filepath"
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bl_options = {"REGISTER", "UNDO"}
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@classmethod
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def poll(cls, context):
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if not context.scene.sequence_editor:
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return False
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if get_bake_generator().is_running:
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return False
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strip = context.scene.sequence_editor.active_strip
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if not strip or strip.type != "MOVIE":
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return False
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return bool(strip.get(KEY_ORIGINAL))
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def execute(self, context):
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strip = context.scene.sequence_editor.active_strip
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original_path = strip.get(KEY_ORIGINAL)
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if not original_path:
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self.report({"ERROR"}, "Original source path is not stored")
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return {"CANCELLED"}
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if not os.path.exists(original_path):
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self.report({"ERROR"}, f"Original source not found: {original_path}")
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return {"CANCELLED"}
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_set_strip_source(strip, original_path)
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strip[KEY_MODE] = "original"
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self.report({"INFO"}, "Restored original source")
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return {"FINISHED"}
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class SEQUENCER_OT_apply_mask_blur(Operator):
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"""Compatibility alias: run bake-and-swap blur workflow."""
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bl_idname = "sequencer.apply_mask_blur"
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bl_label = "Apply Mask Blur"
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bl_description = "Compatibility alias for Bake & Swap Source"
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bl_options = {"REGISTER", "UNDO"}
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@classmethod
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def poll(cls, context):
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return SEQUENCER_OT_bake_and_swap_blur_source.poll(context)
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def execute(self, context):
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return bpy.ops.sequencer.bake_and_swap_blur_source("EXEC_DEFAULT")
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class SEQUENCER_OT_cancel_bake_blur(Operator):
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"""Cancel ongoing blur bake."""
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bl_idname = "sequencer.cancel_bake_blur"
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bl_label = "Cancel Blur Bake"
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bl_description = "Cancel current blur bake process"
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bl_options = {"REGISTER"}
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def execute(self, context):
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bake_generator = get_bake_generator()
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if bake_generator.is_running:
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bake_generator.cancel()
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self.report({"INFO"}, "Blur bake cancelled")
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else:
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self.report({"WARNING"}, "No blur bake in progress")
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return {"FINISHED"}
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classes = [
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SEQUENCER_OT_bake_and_swap_blur_source,
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SEQUENCER_OT_restore_original_source,
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SEQUENCER_OT_cancel_bake_blur,
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SEQUENCER_OT_apply_mask_blur,
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]
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def register():
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for cls in classes:
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bpy.utils.register_class(cls)
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bpy.types.WindowManager.bake_progress = IntProperty(default=0)
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bpy.types.WindowManager.bake_total = IntProperty(default=0)
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def unregister():
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del bpy.types.WindowManager.bake_progress
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del bpy.types.WindowManager.bake_total
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for cls in reversed(classes):
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bpy.utils.unregister_class(cls)
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