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banodoco-steerable-motion/imports/AdvancedControlNet/latent_keyframe_nodes.py
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2023-12-14 01:43:21 +01:00

321 lines
14 KiB
Python

from typing import Union
import numpy as np
from collections.abc import Iterable
from .control import LatentKeyframeImport, LatentKeyframeGroupImport
from .control import StrengthInterpolationImport as SI
from .logger import logger
class LatentKeyframeNodeImport:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"batch_index": ("INT", {"default": 0, "min": -1000, "max": 1000, "step": 1}),
"strength": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.001}, ),
},
"optional": {
"prev_latent_kf": ("LATENT_KEYFRAME", ),
}
}
RETURN_NAMES = ("LATENT_KF", )
RETURN_TYPES = ("LATENT_KEYFRAME", )
FUNCTION = "load_keyframe"
CATEGORY = "Adv-ControlNet 🛂🅐🅒🅝/keyframes"
def load_keyframe(self,
batch_index: int,
strength: float,
prev_latent_kf: LatentKeyframeGroupImport=None,
prev_latent_keyframe: LatentKeyframeGroupImport=None, # old name
):
prev_latent_keyframe = prev_latent_keyframe if prev_latent_keyframe else prev_latent_kf
if not prev_latent_keyframe:
prev_latent_keyframe = LatentKeyframeGroupImport()
else:
prev_latent_keyframe = prev_latent_keyframe.clone()
keyframe = LatentKeyframeImport(batch_index, strength)
prev_latent_keyframe.add(keyframe)
return (prev_latent_keyframe,)
class LatentKeyframeGroupNodeImport:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"index_strengths": ("STRING", {"multiline": True, "default": ""}),
},
"optional": {
"prev_latent_kf": ("LATENT_KEYFRAME", ),
"latent_optional": ("LATENT", ),
"print_keyframes": ("BOOLEAN", {"default": False})
}
}
RETURN_NAMES = ("LATENT_KF", )
RETURN_TYPES = ("LATENT_KEYFRAME", )
FUNCTION = "load_keyframes"
CATEGORY = "Adv-ControlNet 🛂🅐🅒🅝/keyframes"
def validate_index(self, index: int, latent_count: int = 0, is_range: bool = False, allow_negative = False) -> int:
# if part of range, do nothing
if is_range:
return index
# otherwise, validate index
# validate not out of range - only when latent_count is passed in
if latent_count > 0 and index > latent_count-1:
raise IndexError(f"Index '{index}' out of range for the total {latent_count} latents.")
# if negative, validate not out of range
if index < 0:
if not allow_negative:
raise IndexError(f"Negative indeces not allowed, but was {index}.")
conv_index = latent_count+index
if conv_index < 0:
raise IndexError(f"Index '{index}', converted to '{conv_index}' out of range for the total {latent_count} latents.")
index = conv_index
return index
def convert_to_index_int(self, raw_index: str, latent_count: int = 0, is_range: bool = False, allow_negative = False) -> int:
try:
return self.validate_index(int(raw_index), latent_count=latent_count, is_range=is_range, allow_negative=allow_negative)
except ValueError as e:
raise ValueError(f"index '{raw_index}' must be an integer.", e)
def convert_to_latent_keyframes(self, latent_indeces: str, latent_count: int) -> set[LatentKeyframeImport]:
if not latent_indeces:
return set()
int_latent_indeces = [i for i in range(0, latent_count)]
allow_negative = latent_count > 0
chosen_indeces = set()
# parse string - allow positive ints, negative ints, and ranges separated by ':'
groups = latent_indeces.split(",")
groups = [g.strip() for g in groups]
for g in groups:
# parse strengths - default to 1.0 if no strength given
strength = 1.0
if '=' in g:
g, strength_str = g.split("=", 1)
g = g.strip()
try:
strength = float(strength_str.strip())
except ValueError as e:
raise ValueError(f"strength '{strength_str}' must be a float.", e)
if strength < 0:
raise ValueError(f"Strength '{strength}' cannot be negative.")
# parse range of indeces (e.g. 2:16)
if ':' in g:
index_range = g.split(":", 1)
index_range = [r.strip() for r in index_range]
start_index = self.convert_to_index_int(index_range[0], latent_count=latent_count, is_range=True, allow_negative=allow_negative)
end_index = self.convert_to_index_int(index_range[1], latent_count=latent_count, is_range=True, allow_negative=allow_negative)
# if latents were passed in, base indeces on known latent count
if len(int_latent_indeces) > 0:
for i in int_latent_indeces[start_index:end_index]:
chosen_indeces.add(LatentKeyframeImport(i, strength))
# otherwise, assume indeces are valid
else:
for i in range(start_index, end_index):
chosen_indeces.add(LatentKeyframeImport(i, strength))
# parse individual indeces
else:
chosen_indeces.add(LatentKeyframeImport(self.convert_to_index_int(g, latent_count=latent_count, allow_negative=allow_negative), strength))
return chosen_indeces
def load_keyframes(self,
index_strengths: str,
prev_latent_kf: LatentKeyframeGroupImport=None,
prev_latent_keyframe: LatentKeyframeGroupImport=None, # old name
latent_image_opt=None,
print_keyframes=False):
prev_latent_keyframe = prev_latent_keyframe if prev_latent_keyframe else prev_latent_kf
if not prev_latent_keyframe:
prev_latent_keyframe = LatentKeyframeGroupImport()
else:
prev_latent_keyframe = prev_latent_keyframe.clone()
curr_latent_keyframe = LatentKeyframeGroupImport()
latent_count = -1
if latent_image_opt:
latent_count = latent_image_opt['samples'].size()[0]
latent_keyframes = self.convert_to_latent_keyframes(index_strengths, latent_count=latent_count)
for latent_keyframe in latent_keyframes:
curr_latent_keyframe.add(latent_keyframe)
if print_keyframes:
for keyframe in curr_latent_keyframe.keyframes:
logger.info(f"keyframe {keyframe.batch_index}:{keyframe.strength}")
# replace values with prev_latent_keyframes
for latent_keyframe in prev_latent_keyframe.keyframes:
curr_latent_keyframe.add(latent_keyframe)
return (curr_latent_keyframe,)
class LatentKeyframeInterpolationNodeImport:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"batch_index_from": ("INT", {"default": 0, "min": -10000, "max": 10000, "step": 1}),
"batch_index_to_excl": ("INT", {"default": 0, "min": -10000, "max": 10000, "step": 1}),
"strength_from": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.0001}, ),
"strength_to": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.0001}, ),
"interpolation": (["linear", "ease-in", "ease-out", "ease-in-out"], ),
"revert_direction_at_midpoint": ("BOOLEAN", {"default": False}),
},
"optional": {
"prev_latent_keyframe": ("LATENT_KEYFRAME", ),
}
}
RETURN_TYPES = ("LATENT_KEYFRAME", )
FUNCTION = "load_keyframe"
CATEGORY = "Adv-ControlNet 🛂🅐🅒🅝/keyframes"
def load_keyframe(self,
batch_index_from: int,
strength_from: float,
batch_index_to_excl: int,
strength_to: float,
interpolation: str,
revert_direction_at_midpoint: bool=False,
last_key_frame_position: int=0,
i=0,
number_of_items=0,
buffer=0,
prev_latent_keyframe: LatentKeyframeGroupImport=None):
if not prev_latent_keyframe:
prev_latent_keyframe = LatentKeyframeGroupImport()
else:
prev_latent_keyframe = prev_latent_keyframe.clone()
curr_latent_keyframe = LatentKeyframeGroupImport()
weights, frame_numbers = calculate_weights(batch_index_from, batch_index_to_excl, strength_from, strength_to, interpolation, revert_direction_at_midpoint, last_key_frame_position,i,number_of_items, buffer)
for i, frame_number in enumerate(frame_numbers):
keyframe = LatentKeyframeImport(frame_number, float(weights[i]))
curr_latent_keyframe.add(keyframe)
for latent_keyframe in prev_latent_keyframe.keyframes:
curr_latent_keyframe.add(latent_keyframe)
return (weights, frame_numbers, curr_latent_keyframe,)
def calculate_weights(batch_index_from, batch_index_to, strength_from, strength_to, interpolation,revert_direction_at_midpoint, last_key_frame_position,i, number_of_items,buffer):
# Initialize variables based on the position of the keyframe
range_start = batch_index_from
range_end = batch_index_to
# if it's the first value, set influence range from 1.0 to 0.0
if buffer > 0:
if i == 0:
range_start = 0
elif i == 1:
range_start = buffer
else:
if i == 1:
range_start = 0
if i == number_of_items - 1:
range_end = last_key_frame_position
steps = range_end - range_start
diff = strength_to - strength_from
# Calculate index for interpolation
index = np.linspace(0, 1, steps // 2 + 1) if revert_direction_at_midpoint else np.linspace(0, 1, steps)
# Calculate weights based on interpolation type
if interpolation == "linear":
weights = np.linspace(strength_from, strength_to, len(index))
elif interpolation == "ease-in":
weights = diff * np.power(index, 2) + strength_from
elif interpolation == "ease-out":
weights = diff * (1 - np.power(1 - index, 2)) + strength_from
elif interpolation == "ease-in-out":
weights = diff * ((1 - np.cos(index * np.pi)) / 2) + strength_from
# If it's a middle keyframe, mirror the weights
if revert_direction_at_midpoint:
weights = np.concatenate([weights, weights[::-1]])
# Generate frame numbers
frame_numbers = np.arange(range_start, range_start + len(weights))
# "Dropper" component: For keyframes with negative start, drop the weights
if range_start < 0 and i > 0:
drop_count = abs(range_start)
weights = weights[drop_count:]
frame_numbers = frame_numbers[drop_count:]
# Dropper component: for keyframes a range_End is greater than last_key_frame_position, drop the weights
if range_end > last_key_frame_position and i < number_of_items - 1:
drop_count = range_end - last_key_frame_position
weights = weights[:-drop_count]
frame_numbers = frame_numbers[:-drop_count]
return weights, frame_numbers
class LatentKeyframeBatchedGroupNodeImport:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"float_strengths": ("FLOAT", {"default": -1, "min": -1, "step": 0.001, "forceInput": True}),
},
"optional": {
"prev_latent_kf": ("LATENT_KEYFRAME", ),
"print_keyframes": ("BOOLEAN", {"default": False})
}
}
RETURN_NAMES = ("LATENT_KF", )
RETURN_TYPES = ("LATENT_KEYFRAME", )
FUNCTION = "load_keyframe"
CATEGORY = "Adv-ControlNet 🛂🅐🅒🅝/keyframes"
def load_keyframe(self, float_strengths: Union[float, list[float]],
prev_latent_kf: LatentKeyframeGroupImport=None,
prev_latent_keyframe: LatentKeyframeGroupImport=None, # old name
print_keyframes=False):
prev_latent_keyframe = prev_latent_keyframe if prev_latent_keyframe else prev_latent_kf
if not prev_latent_keyframe:
prev_latent_keyframe = LatentKeyframeGroupImport()
else:
prev_latent_keyframe = prev_latent_keyframe.clone()
curr_latent_keyframe = LatentKeyframeGroupImport()
# if received a normal float input, do nothing
if type(float_strengths) in (float, int):
logger.info("No batched float_strengths passed into Latent Keyframe Batch Group node; will not create any new keyframes.")
# if iterable, attempt to create LatentKeyframes with chosen strengths
elif isinstance(float_strengths, Iterable):
for idx, strength in enumerate(float_strengths):
keyframe = LatentKeyframeImport(idx, strength)
curr_latent_keyframe.add(keyframe)
else:
raise ValueError(f"Expected strengths to be an iterable input, but was {type(float_strengths).__repr__}.")
if print_keyframes:
for keyframe in curr_latent_keyframe.keyframes:
logger.info(f"keyframe {keyframe.batch_index}:{keyframe.strength}")
# replace values with prev_latent_keyframes
for latent_keyframe in prev_latent_keyframe.keyframes:
curr_latent_keyframe.add(latent_keyframe)
return (curr_latent_keyframe,)