mirror of
https://github.com/deepfakes/faceswap.git
synced 2026-10-17 05:21:10 +08:00
torzdf
85 lines
2.9 KiB
Python
85 lines
2.9 KiB
Python
#!/usr/bin/env python3
|
|
"""Handles the generation of thumbnail JPGs for storing inside an alignments file/png header"""
|
|
from __future__ import annotations
|
|
|
|
import logging
|
|
import typing as T
|
|
|
|
import numpy as np
|
|
|
|
from lib.logger import parse_class_init
|
|
from lib.utils import get_module_objects
|
|
|
|
if T.TYPE_CHECKING:
|
|
from lib import align
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class Thumbnails():
|
|
"""Thumbnail images stored in the alignments file.
|
|
|
|
The thumbnails are stored as low resolution (64px), low quality JPG in the alignments file
|
|
and are used for the Manual Alignments tool.
|
|
|
|
Parameters
|
|
----------
|
|
alignments
|
|
The parent alignments class that these thumbs belong to
|
|
"""
|
|
def __init__(self, alignments: align.alignments.Alignments) -> None:
|
|
logger.debug(parse_class_init(locals()))
|
|
self._alignments_dict = alignments.data
|
|
self._frame_list = list(sorted(self._alignments_dict))
|
|
logger.debug("Initialized %s", self.__class__.__name__)
|
|
|
|
@property
|
|
def has_thumbnails(self) -> bool:
|
|
"""``True`` if all faces in the alignments file contain thumbnail images otherwise
|
|
``False``."""
|
|
retval = all(np.any(T.cast(np.ndarray, face.thumb is not None))
|
|
for frame in self._alignments_dict.values()
|
|
for face in frame.faces)
|
|
logger.trace(retval) # type:ignore[attr-defined]
|
|
return retval
|
|
|
|
def get_thumbnail_by_index(self, frame_index: int, face_index: int) -> np.ndarray:
|
|
"""Obtain a JPG thumbnail from the given frame index for the given face index
|
|
|
|
Parameters
|
|
----------
|
|
frame_index
|
|
The frame index that contains the thumbnail
|
|
face_index
|
|
The face index within the frame to retrieve the thumbnail for
|
|
|
|
Returns
|
|
-------
|
|
The encoded JPG thumbnail
|
|
"""
|
|
retval = self._alignments_dict[self._frame_list[frame_index]].faces[face_index].thumb
|
|
assert retval is not None
|
|
logger.trace( # type:ignore[attr-defined]
|
|
"frame index: %s, face_index: %s, thumb shape: %s",
|
|
frame_index, face_index, retval.shape)
|
|
return retval
|
|
|
|
def add_thumbnail(self, frame: str, face_index: int, thumb: np.ndarray) -> None:
|
|
"""Add a thumbnail for the given face index for the given frame.
|
|
|
|
Parameters
|
|
----------
|
|
frame
|
|
The name of the frame to add the thumbnail for
|
|
face_index
|
|
The face index within the given frame to add the thumbnail for
|
|
thumb
|
|
The encoded JPG thumbnail at 64px to add to the alignments file
|
|
"""
|
|
logger.debug("frame: %s, face_index: %s, thumb shape: %s thumb dtype: %s",
|
|
frame, face_index, thumb.shape, thumb.dtype)
|
|
self._alignments_dict[frame].faces[face_index].thumb = thumb
|
|
|
|
|
|
__all__ = get_module_objects(__name__)
|