Files
2025-07-03 09:15:41 +07:00

831 lines
32 KiB
Python

import torch
import os
import comfy.utils
import folder_paths
import numpy as np
import math
import cv2
import PIL.Image
from .resampler import Resampler
from .CrossAttentionPatch import Attn2Replace, instantid_attention
from .utils import tensor_to_image
from insightface.app import FaceAnalysis
try:
import torchvision.transforms.v2 as T
except ImportError:
import torchvision.transforms as T
import torch.nn.functional as F
from . import node_tools as node_helpers
MODELS_DIR = os.path.join(folder_paths.models_dir, "instantid")
if "instantid" not in folder_paths.folder_names_and_paths:
current_paths = [MODELS_DIR]
else:
current_paths, _ = folder_paths.folder_names_and_paths["instantid"]
folder_paths.folder_names_and_paths["instantid"] = (current_paths, folder_paths.supported_pt_extensions)
FACE_FUSION_DIR = os.path.join(folder_paths.models_dir, "face_fusion")
if "face_fusion" not in folder_paths.folder_names_and_paths:
current_paths = [FACE_FUSION_DIR]
else:
current_paths, _ = folder_paths.folder_names_and_paths["face_fusion"]
folder_paths.folder_names_and_paths["face_fusion"] = (current_paths, folder_paths.supported_pt_extensions)
INSIGHTFACE_DIR = os.path.join(folder_paths.models_dir, "insightface")
arcface_dst = np.array(
[[38.2946, 51.6963], [73.5318, 51.5014], [56.0252, 71.7366],
[41.5493, 92.3655], [70.7299, 92.2041]],
dtype=np.float32)
def draw_kps(image_pil, kps, color_list=[(255,0,0), (0,255,0), (0,0,255), (255,255,0), (255,0,255)]):
stickwidth = 4
limbSeq = np.array([[0, 2], [1, 2], [3, 2], [4, 2]])
kps = np.array(kps)
h, w, _ = image_pil.shape
out_img = np.zeros([h, w, 3])
for i in range(len(limbSeq)):
index = limbSeq[i]
color = color_list[index[0]]
x = kps[index][:, 0]
y = kps[index][:, 1]
length = ((x[0] - x[1]) ** 2 + (y[0] - y[1]) ** 2) ** 0.5
angle = math.degrees(math.atan2(y[0] - y[1], x[0] - x[1]))
polygon = cv2.ellipse2Poly((int(np.mean(x)), int(np.mean(y))), (int(length / 2), stickwidth), int(angle), 0, 360, 1)
out_img = cv2.fillConvexPoly(out_img.copy(), polygon, color)
out_img = (out_img * 0.6).astype(np.uint8)
for idx_kp, kp in enumerate(kps):
color = color_list[idx_kp]
x, y = kp
out_img = cv2.circle(out_img.copy(), (int(x), int(y)), 10, color, -1)
out_img_pil = PIL.Image.fromarray(out_img.astype(np.uint8))
return out_img_pil
def draw_kps_new(kps, color_list=[(255,0,0), (0,255,0), (0,0,255), (255,255,0), (255,0,255)]):
stickwidth = 4
limbSeq = np.array([[0, 2], [1, 2], [3, 2], [4, 2]])
kps = np.array(kps)
h = 1024
w = 1024
out_img = np.zeros([h, w, 3])
for i in range(len(limbSeq)):
index = limbSeq[i]
color = color_list[index[0]]
x = kps[index][:, 0]
y = kps[index][:, 1]
length = ((x[0] - x[1]) ** 2 + (y[0] - y[1]) ** 2) ** 0.5
angle = math.degrees(math.atan2(y[0] - y[1], x[0] - x[1]))
polygon = cv2.ellipse2Poly((int(np.mean(x)), int(np.mean(y))), (int(length / 2), stickwidth), int(angle), 0, 360, 1)
out_img = cv2.fillConvexPoly(out_img.copy(), polygon, color)
out_img = (out_img * 0.6).astype(np.uint8)
for idx_kp, kp in enumerate(kps):
color = color_list[idx_kp]
x, y = kp
out_img = cv2.circle(out_img.copy(), (int(x), int(y)), 10, color, -1)
out_img_pil = PIL.Image.fromarray(out_img.astype(np.uint8))
return out_img_pil
class InstantID(torch.nn.Module):
def __init__(self, instantid_model, cross_attention_dim=1280, output_cross_attention_dim=1024, clip_embeddings_dim=512, clip_extra_context_tokens=16):
super().__init__()
self.clip_embeddings_dim = clip_embeddings_dim
self.cross_attention_dim = cross_attention_dim
self.output_cross_attention_dim = output_cross_attention_dim
self.clip_extra_context_tokens = clip_extra_context_tokens
self.image_proj_model = self.init_proj()
self.image_proj_model.load_state_dict(instantid_model["image_proj"])
self.ip_layers = To_KV(instantid_model["ip_adapter"])
def init_proj(self):
image_proj_model = Resampler(
dim=self.cross_attention_dim,
depth=4,
dim_head=64,
heads=20,
num_queries=self.clip_extra_context_tokens,
embedding_dim=self.clip_embeddings_dim,
output_dim=self.output_cross_attention_dim,
ff_mult=4
)
return image_proj_model
@torch.inference_mode()
def get_image_embeds(self, clip_embed, clip_embed_zeroed):
#image_prompt_embeds = clip_embed.clone().detach()
image_prompt_embeds = self.image_proj_model(clip_embed)
#uncond_image_prompt_embeds = clip_embed_zeroed.clone().detach()
uncond_image_prompt_embeds = self.image_proj_model(clip_embed_zeroed)
return image_prompt_embeds, uncond_image_prompt_embeds
class ImageProjModel(torch.nn.Module):
def __init__(self, cross_attention_dim=1024, clip_embeddings_dim=1024, clip_extra_context_tokens=4):
super().__init__()
self.cross_attention_dim = cross_attention_dim
self.clip_extra_context_tokens = clip_extra_context_tokens
self.proj = torch.nn.Linear(clip_embeddings_dim, self.clip_extra_context_tokens * cross_attention_dim)
self.norm = torch.nn.LayerNorm(cross_attention_dim)
def forward(self, image_embeds):
embeds = image_embeds
clip_extra_context_tokens = self.proj(embeds).reshape(-1, self.clip_extra_context_tokens, self.cross_attention_dim)
clip_extra_context_tokens = self.norm(clip_extra_context_tokens)
return clip_extra_context_tokens
class ResidualBlock(torch.nn.Module):
def __init__(self, dim, use_layernorm=True, use_relu=True):
super().__init__()
self.linear1 = torch.nn.Linear(dim, dim)
self.linear2 = torch.nn.Linear(dim, dim)
self.use_layernorm = use_layernorm
self.use_relu = use_relu
if use_layernorm:
self.norm1 = torch.nn.LayerNorm(dim)
self.norm2 = torch.nn.LayerNorm(dim)
if use_relu:
self.relu = torch.nn.ReLU()
def forward(self, x):
identity = x
out = self.linear1(x)
if self.use_layernorm:
out = self.norm1(out)
if self.use_relu:
out = self.relu(out)
out = self.linear2(out)
if self.use_layernorm:
out = self.norm2(out)
out += identity
return out
class EncoderNet(torch.nn.Module):
def __init__(self, dim=512, hidden_dim=1024, depth=4, use_batchnorm=False):
super().__init__()
layers = []
self.linear_layers = []
self.norm_layers = []
self.use_batchnorm = use_batchnorm
for i in range(depth):
in_dim = dim if i == 0 else hidden_dim
out_dim = dim if i == depth - 1 else hidden_dim
linear = torch.nn.Linear(in_dim, out_dim)
layers.append(linear)
self.linear_layers.append(linear)
if i != depth - 1 and self.use_batchnorm:
norm = torch.nn.BatchNorm1d(out_dim)
layers.append(norm)
self.norm_layers.append(norm)
self.net = torch.nn.Sequential(*layers)
def forward(self, x):
if x.dim() == 1:
x = x.unsqueeze(0)
return self.net(x)
class FaceFusionNet(torch.nn.Module):
def __init__(self, residual_depth=6, encoder_depth=4,
dim=512, hidden_dim=1024,
use_layernorm=True, use_relu=False, use_batchnorm=False):
super().__init__()
self.encoder = EncoderNet(dim=dim, hidden_dim=hidden_dim,
depth=encoder_depth, use_batchnorm=use_batchnorm)
self.input_linear = torch.nn.Linear(hidden_dim, dim, bias=False)
self.residual_blocks = torch.nn.Sequential(*[
ResidualBlock(dim, use_layernorm=use_layernorm, use_relu=use_relu)
for _ in range(residual_depth)
])
self.output_linear = torch.nn.Linear(dim, dim)
def forward(self, a, b):
out_a = self.encoder(a)
out_b = self.encoder(b)
x = torch.cat([out_a, out_b], dim=-1)
x = self.input_linear(x)
x = self.residual_blocks(x)
x = self.output_linear(x)
return x
class To_KV(torch.nn.Module):
def __init__(self, state_dict):
super().__init__()
self.to_kvs = torch.nn.ModuleDict()
for key, value in state_dict.items():
k = key.replace(".weight", "").replace(".", "_")
self.to_kvs[k] = torch.nn.Linear(value.shape[1], value.shape[0], bias=False)
self.to_kvs[k].weight.data = value
def _set_model_patch_replace(model, patch_kwargs, key):
to = model.model_options["transformer_options"].copy()
if "patches_replace" not in to:
to["patches_replace"] = {}
else:
to["patches_replace"] = to["patches_replace"].copy()
if "attn2" not in to["patches_replace"]:
to["patches_replace"]["attn2"] = {}
else:
to["patches_replace"]["attn2"] = to["patches_replace"]["attn2"].copy()
if key not in to["patches_replace"]["attn2"]:
to["patches_replace"]["attn2"][key] = Attn2Replace(instantid_attention, **patch_kwargs)
model.model_options["transformer_options"] = to
else:
to["patches_replace"]["attn2"][key].add(instantid_attention, **patch_kwargs)
class ZenInstantIDModelLoader:
@classmethod
def INPUT_TYPES(s):
return {"required": { "instantid_file": (folder_paths.get_filename_list("instantid"), )}}
RETURN_TYPES = ("INSTANTID",)
FUNCTION = "load_model"
CATEGORY = "ZenID"
def load_model(self, instantid_file):
ckpt_path = folder_paths.get_full_path("instantid", instantid_file)
model = comfy.utils.load_torch_file(ckpt_path, safe_load=True)
if ckpt_path.lower().endswith(".safetensors"):
st_model = {"image_proj": {}, "ip_adapter": {}}
for key in model.keys():
if key.startswith("image_proj."):
st_model["image_proj"][key.replace("image_proj.", "")] = model[key]
elif key.startswith("ip_adapter."):
st_model["ip_adapter"][key.replace("ip_adapter.", "")] = model[key]
model = st_model
model = InstantID(
model,
cross_attention_dim=1280,
output_cross_attention_dim=model["ip_adapter"]["1.to_k_ip.weight"].shape[1],
clip_embeddings_dim=512,
clip_extra_context_tokens=16,
)
return (model,)
def extractFeatures(insightface, image, extract_kps=False):
face_img = tensor_to_image(image)
out = []
insightface.det_model.input_size = (640,640) # reset the detection size
for i in range(face_img.shape[0]):
for size in [(size, size) for size in range(640, 128, -64)]:
insightface.det_model.input_size = size # TODO: hacky but seems to be working
face = insightface.get(face_img[i])
if face:
face = sorted(face, key=lambda x:(x['bbox'][2]-x['bbox'][0])*(x['bbox'][3]-x['bbox'][1]))[-1]
if extract_kps:
out.append(draw_kps(face_img[i], face['kps']))
else:
out.append(torch.from_numpy(face['embedding']).unsqueeze(0))
if 640 not in size:
print(f"\033[33mINFO: InsightFace detection resolution lowered to {size}.\033[0m")
break
if out:
if extract_kps:
out = torch.stack(T.ToTensor()(out), dim=0).permute([0,2,3,1])
else:
out = torch.stack(out, dim=0)
else:
out = None
return out
class ZenInstantIDFaceAnalysis:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"provider": (["CPU", "CUDA", "ROCM", "CoreML"], ),
},
}
RETURN_TYPES = ("FACEANALYSIS",)
FUNCTION = "load_insight_face"
CATEGORY = "ZenID"
def load_insight_face(self, provider):
model = FaceAnalysis(name="antelopev2", root=INSIGHTFACE_DIR, providers=[provider + 'ExecutionProvider',]) # alternative to buffalo_l
model.prepare(ctx_id=0, det_size=(640, 640))
return (model,)
def add_noise(image, factor):
seed = int(torch.sum(image).item()) % 1000000007
torch.manual_seed(seed)
mask = (torch.rand_like(image) < factor).float()
noise = torch.rand_like(image)
noise = torch.zeros_like(image) * (1-mask) + noise * mask
return factor*noise
class ApplyZenID:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"control_net": ("CONTROL_NET", ),
"model": ("MODEL", ),
"clip": ("CLIP", ),
"vae": ("VAE", ),
"image_source": ("IMAGE", ),
"image_face" : ("IMAGE", ),
"instantid_file": (folder_paths.get_filename_list("instantid"), ),
"insightface": (["CPU", "CUDA", "ROCM", "CoreML"], ),
"weight": ("FLOAT", {"default": .8, "min": 0.0, "max": 5.0, "step": 0.01, }),
"start_at": ("FLOAT", {"default": 0.0, "min": 0.0, "max": 1.0, "step": 0.001, }),
"end_at": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 1.0, "step": 0.001, }),
"blur_kernel": ("INT", {"default": 51, "min": 1, "max": 101, "step": 2, }),
},
"optional": {
"mask": ("MASK", ),
},
}
RETURN_TYPES = ("MODEL", "CONDITIONING", "CONDITIONING","LATENT")
RETURN_NAMES = ("MODEL", "positive", "negative", "latent")
FUNCTION = "apply_instantid"
CATEGORY = "ZenID"
def load_insight_face(self, provider):
model = FaceAnalysis(name="antelopev2", root=INSIGHTFACE_DIR, providers=[provider + 'ExecutionProvider',]) # alternative to buffalo_l
model.prepare(ctx_id=0, det_size=(640, 640))
return model
def load_model(self, instantid_file):
ckpt_path = folder_paths.get_full_path("instantid", instantid_file)
model = comfy.utils.load_torch_file(ckpt_path, safe_load=True)
if ckpt_path.lower().endswith(".safetensors"):
st_model = {"image_proj": {}, "ip_adapter": {}}
for key in model.keys():
if key.startswith("image_proj."):
st_model["image_proj"][key.replace("image_proj.", "")] = model[key]
elif key.startswith("ip_adapter."):
st_model["ip_adapter"][key.replace("ip_adapter.", "")] = model[key]
model = st_model
model = InstantID(
model,
cross_attention_dim=1280,
output_cross_attention_dim=model["ip_adapter"]["1.to_k_ip.weight"].shape[1],
clip_embeddings_dim=512,
clip_extra_context_tokens=16,
)
return model
def encode_prompt(self, clip, text):
tokens = clip.tokenize(text)
output = clip.encode_from_tokens(tokens, return_pooled=True, return_dict=True)
cond = output.pop("cond")
return [[cond, output]]
def prepare_condition_inpainting(self, positive, negative, pixels, vae, mask):
x = (pixels.shape[1] // 8) * 8
y = (pixels.shape[2] // 8) * 8
mask = torch.nn.functional.interpolate(mask.reshape((-1, 1, mask.shape[-2], mask.shape[-1])), size=(pixels.shape[1], pixels.shape[2]), mode="bilinear")
orig_pixels = pixels
pixels = orig_pixels.clone()
if pixels.shape[1] != x or pixels.shape[2] != y:
x_offset = (pixels.shape[1] % 8) // 2
y_offset = (pixels.shape[2] % 8) // 2
pixels = pixels[:,x_offset:x + x_offset, y_offset:y + y_offset,:]
mask = mask[:,:,x_offset:x + x_offset, y_offset:y + y_offset]
m = (1.0 - mask.round()).squeeze(1)
for i in range(3):
pixels[:,:,:,i] -= 0.5
pixels[:,:,:,i] *= m
pixels[:,:,:,i] += 0.5
concat_latent = vae.encode(pixels)
orig_latent = vae.encode(orig_pixels)
out_latent = {}
out_latent["samples"] = orig_latent
out_latent["noise_mask"] = mask
out = []
for conditioning in [positive, negative]:
c = node_helpers.conditioning_set_values(conditioning, {"concat_latent_image": concat_latent,
"concat_mask": mask})
out.append(c)
return out[0], out[1], out_latent
def prepare_mask(self, insightface, image, blur_kernel):
image = tensor_to_image(image)
insightface.det_model.input_size = (640,640)
face = insightface.get(image[0])
face = sorted(face, key=lambda x:(x['bbox'][2]-x['bbox'][0])*(x['bbox'][3]-x['bbox'][1]))[-1]
mask = np.zeros((image.shape[1], image.shape[2]))
x1, y1, x2, y2 = face['bbox']
x1, y1, x2, y2 = int(x1), int(y1), int(x2), int(y2)
mask[y1:y2, x1:x2] = 1
mask =cv2.GaussianBlur(mask, (blur_kernel, blur_kernel), 0)
mask = torch.from_numpy(mask).unsqueeze(0).float()
return mask
def apply_instantid(self, instantid_file, insightface, control_net, model, clip, vae, image_source, image_face, start_at, end_at, weight=.8,blur_kernel = 51, ip_weight=None, cn_strength=None, noise=0.35, image_kps=None, mask=None, combine_embeds='average'):
#load instantid model
instantid = self.load_model(instantid_file)
insightface = self.load_insight_face(insightface)
#define positive and negative
positive = " "
negative = "(lowres, low quality, worst quality:1.2), (text:1.2), watermark, painting, drawing, illustration, glitch, deformed, mutated, cross-eyed, ugly, disfigured (lowres, low quality, worst quality:1.2), (text:1.2), watermark, painting, drawing, illustration, glitch,deformed, mutated, cross-eyed, ugly, disfigured"
image = image_face
#Encode prompt
positive = self.encode_prompt(clip, positive)
negative = self.encode_prompt(clip, negative)
#Prepare mask
if mask == None:
mask = self.prepare_mask(insightface, image_source, blur_kernel) if mask is None else mask
#Prepare conditioning for inpainting
positive, negative, latent = self.prepare_condition_inpainting(positive, negative, image_source, vae, mask)
dtype = comfy.model_management.unet_dtype()
if dtype not in [torch.float32, torch.float16, torch.bfloat16]:
dtype = torch.float16 if comfy.model_management.should_use_fp16() else torch.float32
self.dtype = dtype
self.device = comfy.model_management.get_torch_device()
ip_weight = weight if ip_weight is None else ip_weight
cn_strength = weight if cn_strength is None else cn_strength
face_embed = extractFeatures(insightface, image)
if face_embed is None:
raise Exception('Reference Image: No face detected.')
# if no keypoints image is provided, use the image itself (only the first one in the batch)
face_kps = extractFeatures(insightface, image_kps if image_kps is not None else image_source[0].unsqueeze(0), extract_kps=True)
if face_kps is None:
face_kps = torch.zeros_like(image) if image_kps is None else image_kps
print(f"\033[33mWARNING: No face detected in the keypoints image!\033[0m")
clip_embed = face_embed
# InstantID works better with averaged embeds (TODO: needs testing)
if clip_embed.shape[0] > 1:
if combine_embeds == 'average':
clip_embed = torch.mean(clip_embed, dim=0).unsqueeze(0)
elif combine_embeds == 'norm average':
clip_embed = torch.mean(clip_embed / torch.norm(clip_embed, dim=0, keepdim=True), dim=0).unsqueeze(0)
if noise > 0:
seed = int(torch.sum(clip_embed).item()) % 1000000007
torch.manual_seed(seed)
clip_embed_zeroed = noise * torch.rand_like(clip_embed)
#clip_embed_zeroed = add_noise(clip_embed, noise)
else:
clip_embed_zeroed = torch.zeros_like(clip_embed)
# 1: patch the attention
self.instantid = instantid
self.instantid.to(self.device, dtype=self.dtype)
image_prompt_embeds, uncond_image_prompt_embeds = self.instantid.get_image_embeds(clip_embed.to(self.device, dtype=self.dtype), clip_embed_zeroed.to(self.device, dtype=self.dtype))
image_prompt_embeds = image_prompt_embeds.to(self.device, dtype=self.dtype)
uncond_image_prompt_embeds = uncond_image_prompt_embeds.to(self.device, dtype=self.dtype)
work_model = model.clone()
sigma_start = model.get_model_object("model_sampling").percent_to_sigma(start_at)
sigma_end = model.get_model_object("model_sampling").percent_to_sigma(end_at)
if mask is not None:
mask = mask.to(self.device)
patch_kwargs = {
"ipadapter": self.instantid,
"weight": ip_weight,
"cond": image_prompt_embeds,
"uncond": uncond_image_prompt_embeds,
"mask": mask,
"sigma_start": sigma_start,
"sigma_end": sigma_end,
}
number = 0
for id in [4,5,7,8]: # id of input_blocks that have cross attention
block_indices = range(2) if id in [4, 5] else range(10) # transformer_depth
for index in block_indices:
patch_kwargs["module_key"] = str(number*2+1)
_set_model_patch_replace(work_model, patch_kwargs, ("input", id, index))
number += 1
for id in range(6): # id of output_blocks that have cross attention
block_indices = range(2) if id in [3, 4, 5] else range(10) # transformer_depth
for index in block_indices:
patch_kwargs["module_key"] = str(number*2+1)
_set_model_patch_replace(work_model, patch_kwargs, ("output", id, index))
number += 1
for index in range(10):
patch_kwargs["module_key"] = str(number*2+1)
_set_model_patch_replace(work_model, patch_kwargs, ("middle", 1, index))
number += 1
# 2: do the ControlNet
if mask is not None and len(mask.shape) < 3:
mask = mask.unsqueeze(0)
cnets = {}
cond_uncond = []
is_cond = True
for conditioning in [positive, negative]:
c = []
for t in conditioning:
d = t[1].copy()
prev_cnet = d.get('control', None)
if prev_cnet in cnets:
c_net = cnets[prev_cnet]
else:
c_net = control_net.copy().set_cond_hint(face_kps.movedim(-1,1), cn_strength, (start_at, end_at))
c_net.set_previous_controlnet(prev_cnet)
cnets[prev_cnet] = c_net
d['control'] = c_net
d['control_apply_to_uncond'] = False
d['cross_attn_controlnet'] = image_prompt_embeds.to(comfy.model_management.intermediate_device(), dtype=c_net.cond_hint_original.dtype) if is_cond else uncond_image_prompt_embeds.to(comfy.model_management.intermediate_device(), dtype=c_net.cond_hint_original.dtype)
if mask is not None and is_cond:
d['mask'] = mask
d['set_area_to_bounds'] = False
n = [t[0], d]
c.append(n)
cond_uncond.append(c)
is_cond = False
return(work_model, cond_uncond[0], cond_uncond[1], latent)
class ZenIDCombineFace:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"control_net": ("CONTROL_NET", ),
"model": ("MODEL", ),
"positive": ("CONDITIONING", ),
"negative": ("CONDITIONING", ),
"image_1": ("IMAGE", ),
"image_2": ("IMAGE", ),
"instantid_file": (folder_paths.get_filename_list("instantid"), ),
"fusion_file": (folder_paths.get_filename_list("face_fusion"), ),
"insightface": (["CPU", "CUDA", "ROCM", "CoreML"], ),
"balance": ("FLOAT", {"default": 0.5, "min": 0.0, "max": 1.0, "step": 0.01, }),
"weight": ("FLOAT", {"default": .8, "min": 0.0, "max": 5.0, "step": 0.01, }),
"start_at": ("FLOAT", {"default": 0.0, "min": 0.0, "max": 1.0, "step": 0.001, }),
"end_at": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 1.0, "step": 0.001, }),
},
}
RETURN_TYPES = ("MODEL", "CONDITIONING", "CONDITIONING",)
RETURN_NAMES = ("MODEL", "positive", "negative", )
FUNCTION = "combine_face"
CATEGORY = "ZenID"
def load_insight_face(self, provider):
model = FaceAnalysis(name="antelopev2", root=INSIGHTFACE_DIR, providers=[provider + 'ExecutionProvider',]) # alternative to buffalo_l
model.prepare(ctx_id=0, det_size=(640, 640))
return model
def load_fusion_model(self, fusion_file):
ckpt_path = folder_paths.get_full_path("face_fusion", fusion_file)
model = FaceFusionNet()
model.load_state_dict(torch.load(ckpt_path))
model.eval()
return model
def load_model(self, instantid_file):
ckpt_path = folder_paths.get_full_path("instantid", instantid_file)
model = comfy.utils.load_torch_file(ckpt_path, safe_load=True)
if ckpt_path.lower().endswith(".safetensors"):
st_model = {"image_proj": {}, "ip_adapter": {}}
for key in model.keys():
if key.startswith("image_proj."):
st_model["image_proj"][key.replace("image_proj.", "")] = model[key]
elif key.startswith("ip_adapter."):
st_model["ip_adapter"][key.replace("ip_adapter.", "")] = model[key]
model = st_model
model = InstantID(
model,
cross_attention_dim=1280,
output_cross_attention_dim=model["ip_adapter"]["1.to_k_ip.weight"].shape[1],
clip_embeddings_dim=512,
clip_extra_context_tokens=16,
)
return model
def combine_face(self, instantid_file, insightface, fusion_file, control_net, image_1, balance, image_2, model, positive, negative, start_at, end_at, weight=.8, ip_weight=None, cn_strength=None, noise=0.35, image_kps=None, mask=None, combine_embeds='average'):
#load instantid model
instantid = self.load_model(instantid_file)
insightface = self.load_insight_face(insightface)
fusion_model = self.load_fusion_model(fusion_file)
dtype = comfy.model_management.unet_dtype()
if dtype not in [torch.float32, torch.float16, torch.bfloat16]:
dtype = torch.float16 if comfy.model_management.should_use_fp16() else torch.float32
self.dtype = dtype
self.device = comfy.model_management.get_torch_device()
ip_weight = weight if ip_weight is None else ip_weight
cn_strength = weight if cn_strength is None else cn_strength
face_embed_1 = extractFeatures(insightface, image_1)
face_embed_2 = extractFeatures(insightface, image_2)
label_embed = face_embed_1 * balance + face_embed_2 * (1 - balance)
if face_embed_1 is None:
raise Exception('Reference Image: No face detected.')
if face_embed_2 is None:
raise Exception('Reference Image: No face detected.')
face_embed_1 = face_embed_1 * balance * 2
face_embed_2 = face_embed_2 * (1 - balance) * 2
face_embed = fusion_model(face_embed_1, face_embed_2)
ratio = 8.0
dst = arcface_dst * ratio
out = []
image_kps = draw_kps_new(dst)
out.append(image_kps)
out = torch.stack(T.ToTensor()(out), dim=0).permute([0,2,3,1])
face_kps = out
clip_embed = face_embed
# InstantID works better with averaged embeds (TODO: needs testing)
if clip_embed.shape[0] > 1:
if combine_embeds == 'average':
clip_embed = torch.mean(clip_embed, dim=0).unsqueeze(0)
elif combine_embeds == 'norm average':
clip_embed = torch.mean(clip_embed / torch.norm(clip_embed, dim=0, keepdim=True), dim=0).unsqueeze(0)
if noise > 0:
seed = int(torch.sum(clip_embed).item()) % 1000000007
torch.manual_seed(seed)
clip_embed_zeroed = noise * torch.rand_like(clip_embed)
#clip_embed_zeroed = add_noise(clip_embed, noise)
else:
clip_embed_zeroed = torch.zeros_like(clip_embed)
# 1: patch the attention
self.instantid = instantid
self.instantid.to(self.device, dtype=self.dtype)
image_prompt_embeds, uncond_image_prompt_embeds = self.instantid.get_image_embeds(clip_embed.to(self.device, dtype=self.dtype), clip_embed_zeroed.to(self.device, dtype=self.dtype))
image_prompt_embeds = image_prompt_embeds.to(self.device, dtype=self.dtype)
uncond_image_prompt_embeds = uncond_image_prompt_embeds.to(self.device, dtype=self.dtype)
work_model = model.clone()
sigma_start = model.get_model_object("model_sampling").percent_to_sigma(start_at)
sigma_end = model.get_model_object("model_sampling").percent_to_sigma(end_at)
if mask is not None:
mask = mask.to(self.device)
patch_kwargs = {
"ipadapter": self.instantid,
"weight": ip_weight,
"cond": image_prompt_embeds,
"uncond": uncond_image_prompt_embeds,
"mask": mask,
"sigma_start": sigma_start,
"sigma_end": sigma_end,
}
number = 0
for id in [4,5,7,8]: # id of input_blocks that have cross attention
block_indices = range(2) if id in [4, 5] else range(10) # transformer_depth
for index in block_indices:
patch_kwargs["module_key"] = str(number*2+1)
_set_model_patch_replace(work_model, patch_kwargs, ("input", id, index))
number += 1
for id in range(6): # id of output_blocks that have cross attention
block_indices = range(2) if id in [3, 4, 5] else range(10) # transformer_depth
for index in block_indices:
patch_kwargs["module_key"] = str(number*2+1)
_set_model_patch_replace(work_model, patch_kwargs, ("output", id, index))
number += 1
for index in range(10):
patch_kwargs["module_key"] = str(number*2+1)
_set_model_patch_replace(work_model, patch_kwargs, ("middle", 1, index))
number += 1
# 2: do the ControlNet
if mask is not None and len(mask.shape) < 3:
mask = mask.unsqueeze(0)
cnets = {}
cond_uncond = []
is_cond = True
for conditioning in [positive, negative]:
c = []
for t in conditioning:
d = t[1].copy()
prev_cnet = d.get('control', None)
if prev_cnet in cnets:
c_net = cnets[prev_cnet]
else:
c_net = control_net.copy().set_cond_hint(face_kps.movedim(-1,1), cn_strength, (start_at, end_at))
c_net.set_previous_controlnet(prev_cnet)
cnets[prev_cnet] = c_net
d['control'] = c_net
d['control_apply_to_uncond'] = False
d['cross_attn_controlnet'] = image_prompt_embeds.to(comfy.model_management.intermediate_device(), dtype=c_net.cond_hint_original.dtype) if is_cond else uncond_image_prompt_embeds.to(comfy.model_management.intermediate_device(), dtype=c_net.cond_hint_original.dtype)
if mask is not None and is_cond:
d['mask'] = mask
d['set_area_to_bounds'] = False
n = [t[0], d]
c.append(n)
cond_uncond.append(c)
is_cond = False
return(work_model, cond_uncond[0], cond_uncond[1], )
NODE_CLASS_MAPPINGS = {
"InstantIDModelLoader": ZenInstantIDModelLoader,
"InstantIDFaceAnalysis": ZenInstantIDFaceAnalysis,
"ApplyZenID": ApplyZenID,
"ZenIDCombineFace": ZenIDCombineFace,
}
NODE_DISPLAY_NAME_MAPPINGS = {
"InstantIDModelLoader": "Load InstantID Model",
"InstantIDFaceAnalysis": "InstantID Face Analysis",
"ApplyZenID": "ZenID FaceSwap",
"ZenIDCombineFace": "ZenID Combine Face",
}