Files
2026-05-17 05:16:19 +08:00

1329 lines
65 KiB
Python

import logging
import math
import types
import torch
import torch.nn as nn
import numpy as np
import base64
import os
import time
import io as pyio
from PIL import Image
import comfy.utils
import folder_paths
import node_helpers
import comfy.model_management
import comfy.ldm.modules.attention
import json
import server
import hashlib
import urllib.request
import asyncio
from aiohttp import web
from comfy_api.latest import io, ComfyExtension
from typing_extensions import override
log = logging.getLogger(__name__)
# ==============================================================================
# 1. CORE UTILS & MATH
# ==============================================================================
def build_temporal_cost(q_token_idx, Lq, Lk, device, dtype, tokens_per_frame):
offset = torch.zeros(Lq, Lk, device=device, dtype=dtype)
query_frames = torch.arange(Lq, device=device, dtype=torch.long) // tokens_per_frame
for seg in q_token_idx:
local = seg["local_token_idx"].to(device=device)
d = (query_frames.float()[:, None] - seg["midpoint"]).abs()
strength = seg.get("strength", 1.0)
cost = strength * (torch.relu(d - seg["window"]) ** 2) / (2 * seg["sigma"] ** 2)
offset[:, local] = cost.to(offset.dtype)
return offset
def build_temporal_cost_scaled(q_token_idx, Lq, Lk, device, dtype, latent_frames):
offset = torch.zeros(Lq, Lk, device=device, dtype=dtype)
query_frames = torch.arange(Lq, device=device, dtype=torch.float32) * latent_frames / Lq
for seg in q_token_idx:
local = seg["local_token_idx"].to(device=device)
d = (query_frames[:, None] - seg["midpoint"]).abs()
sigma_a = seg.get("sigma_audio", seg["sigma"])
window_a = seg.get("window_audio", seg["window"])
strength_a = seg.get("strength_audio", 1.0)
cost = strength_a * (torch.relu(d - window_a) ** 2) / (2 * sigma_a ** 2)
offset[:, local] = cost.to(offset.dtype)
return offset
def create_mask_fn(q_token_idx, fallback_tokens_per_frame, latent_frames):
cache = {}
max_token_idx = max(int(seg["local_token_idx"].max().item()) for seg in q_token_idx) + 1 if q_token_idx else 0
def mask_fn(q, k, transformer_options):
Lq, Lk = q.shape[1], k.shape[1]
if Lq == Lk: return None
cond_or_uncond = transformer_options.get("cond_or_uncond", [])
if 1 in cond_or_uncond and 0 not in cond_or_uncond: return None
grid_sizes = transformer_options.get("grid_sizes", None)
video_tpf = int(grid_sizes[1]) * int(grid_sizes[2]) if grid_sizes is not None else fallback_tokens_per_frame
video_lq = latent_frames * video_tpf
if Lk == video_lq or Lk < max_token_idx: return None
mode = "video" if Lq == video_lq else "scaled"
key = (Lq, Lk, mode, q.device)
if key not in cache:
if mode == "video":
cost = build_temporal_cost(q_token_idx, Lq, Lk, q.device, q.dtype, video_tpf)
else:
cost = build_temporal_cost_scaled(q_token_idx, Lq, Lk, q.device, q.dtype, latent_frames)
cache[key] = -cost
nonzero = (cost > 0).sum().item()
total = Lq * Lk
log.info(f"[RikanPromptRelay] Built penalty matrix ({mode}): Lq={Lq}, Lk={Lk}, nonzero={nonzero}/{total}")
return cache[key].to(q.dtype)
return mask_fn
def build_segments(token_ranges, segment_lengths, epsilon=1e-3):
sigma = 1.0 / math.log(1.0 / epsilon) if 0 < epsilon < 1 else 0.1448
q_token_idx = []
frame_cursor = 0
for (tok_start, tok_end), L in zip(token_ranges, segment_lengths):
if L <= 0:
frame_cursor += L
continue
midpoint = (2 * frame_cursor + L) // 2
base_window = max(L // 2 - 2, 0)
q_token_idx.append({
"local_token_idx": torch.arange(tok_start, tok_end),
"midpoint": midpoint,
"window": float(base_window),
"sigma": sigma,
"strength": 1.0,
"window_audio": float(base_window),
"sigma_audio": sigma,
"strength_audio": 1.0,
})
frame_cursor += L
return q_token_idx
def get_raw_tokenizer(clip):
tokenizer_wrapper = clip.tokenizer
for attr_name in dir(tokenizer_wrapper):
if attr_name.startswith("_"): continue
inner = getattr(tokenizer_wrapper, attr_name, None)
if inner is not None and hasattr(inner, "tokenizer"):
return inner.tokenizer
raise RuntimeError("Could not find raw tokenizer.")
def map_token_indices(raw_tokenizer, global_prompt, local_prompts):
prefixed_locals = [" " + lp for lp in local_prompts]
has_eos = getattr(raw_tokenizer, "add_eos", False)
eos_adj = 1 if has_eos else 0
prev_len = len(raw_tokenizer(global_prompt)["input_ids"]) - eos_adj
token_ranges = []
built = global_prompt
for plp in prefixed_locals:
built += plp
cur_len = len(raw_tokenizer(built)["input_ids"]) - eos_adj
token_ranges.append((prev_len, cur_len))
prev_len = cur_len
return global_prompt + "".join(prefixed_locals), token_ranges
def distribute_segment_lengths(num_segments, latent_frames, specified_lengths=None):
if specified_lengths:
lengths = specified_lengths
else:
step = -(-latent_frames // num_segments)
lengths = [step] * num_segments
effective, cursor = [], 0
for L in lengths:
end = min(cursor + L, latent_frames)
effective.append(max(end - cursor, 0))
cursor = end
return effective
def _convert_to_latent_lengths(pixel_lengths, temporal_stride, latent_frames):
if not pixel_lengths: return []
total_pixel = sum(pixel_lengths)
if total_pixel <= 0: return [1] * len(pixel_lengths)
target_total = min(latent_frames, max(1, round(total_pixel / temporal_stride)))
if target_total >= latent_frames - 1: target_total = latent_frames
exact = [p * target_total / total_pixel for p in pixel_lengths]
result = [int(e) for e in exact]
diff = target_total - sum(result)
if diff > 0:
order = sorted(range(len(exact)), key=lambda i: -(exact[i] - int(exact[i])))
for k in range(diff): result[order[k % len(order)]] += 1
return result
# ==============================================================================
# 2. MODEL PATCHING & LORA GATE HELPERS
# ==============================================================================
def detect_model_type(model):
diff_model = model.model.diffusion_model
if hasattr(diff_model, "patch_size") and not hasattr(diff_model, "patchifier"):
return "wan", tuple(diff_model.patch_size), 4
if hasattr(diff_model, "patchifier"):
return "ltx", (1, 1, 1), int(diff_model.vae_scale_factors[0])
raise ValueError("Unsupported model type.")
class _CrossAttnPatch:
def __init__(self, impl, mask_fn):
self.impl, self.mask_fn = impl, mask_fn
def __get__(self, obj, objtype=None):
def wrapped(self_module, *args, **kwargs):
return self.impl(self_module, self.mask_fn, *args, **kwargs)
return types.MethodType(wrapped, obj)
def apply_patches(model_clone, arch, mask_fn):
diffusion_model = model_clone.get_model_object("diffusion_model")
if arch == "wan":
from comfy.ldm.wan.model import WanI2VCrossAttention
for idx, block in enumerate(diffusion_model.blocks):
impl = _wan_i2v_forward if isinstance(block.cross_attn, WanI2VCrossAttention) else _wan_t2v_forward
model_clone.add_object_patch(f"diffusion_model.blocks.{idx}.cross_attn.forward", _CrossAttnPatch(impl, mask_fn).__get__(block.cross_attn))
elif arch == "ltx":
for idx, block in enumerate(diffusion_model.transformer_blocks):
for attr in ("attn2", "audio_attn2"):
module = getattr(block, attr, None)
if module: model_clone.add_object_patch(f"diffusion_model.transformer_blocks.{idx}.{attr}.forward", _CrossAttnPatch(_ltx_forward, mask_fn).__get__(module))
def _wan_t2v_forward(self, mask_fn, x, context, transformer_options={}, **kwargs):
q, k, v = self.norm_q(self.q(x)), self.norm_k(self.k(context)), self.v(context)
mask = mask_fn(q, k, transformer_options)
return self.o(comfy.ldm.modules.attention.attention_pytorch(q, k, v, self.num_heads, mask=mask, transformer_options=transformer_options) if mask is not None else comfy.ldm.modules.attention.optimized_attention(q, k, v, self.num_heads, transformer_options=transformer_options))
def _wan_i2v_forward(self, mask_fn, x, context, context_img_len, transformer_options={}, **kwargs):
q = self.norm_q(self.q(x))
img_x = comfy.ldm.modules.attention.optimized_attention(q, self.norm_k_img(self.k_img(context[:, :context_img_len])), self.v_img(context[:, :context_img_len]), self.num_heads, transformer_options=transformer_options)
mask = mask_fn(q, self.norm_k(self.k(context[:, context_img_len:])), transformer_options)
attn_txt = comfy.ldm.modules.attention.attention_pytorch(q, self.norm_k(self.k(context[:, context_img_len:])), self.v(context[:, context_img_len:]), self.num_heads, mask=mask, transformer_options=transformer_options) if mask is not None else comfy.ldm.modules.attention.optimized_attention(q, self.norm_k(self.k(context[:, context_img_len:])), self.v(context[:, context_img_len:]), self.num_heads, transformer_options=transformer_options)
return self.o(attn_txt + img_x)
def _ltx_forward(self, mask_fn, x, context=None, mask=None, pe=None, k_pe=None, transformer_options={}):
from comfy.ldm.lightricks.model import apply_rotary_emb
is_self = context is None
c = x if is_self else context
q, k, v = self.q_norm(self.to_q(x)), self.k_norm(self.to_k(c)), self.to_v(c)
if pe is not None: q, k = apply_rotary_emb(q, pe), apply_rotary_emb(k, pe if k_pe is None else k_pe)
if not is_self:
tm = mask_fn(q, k, transformer_options)
mask = tm if mask is None else mask + tm
out = comfy.ldm.modules.attention.optimized_attention(q, k, v, self.heads, mask=mask, transformer_options=transformer_options)
if self.to_gate_logits: out = out * (2.0 * torch.sigmoid(self.to_gate_logits(x))).unsqueeze(-1)
return self.to_out(out)
# ── LORA GATE INTERNAL CLASSES ───────────────────────────────────────────────
class _TemporalGatedLoRA:
def __init__(self, original, lora_down, lora_up, scale, strength, gate_weights, tokens_per_frame):
self.original = original
self._lora_down = lora_down.cpu()
self._lora_up = lora_up.cpu()
self.scale = scale
self.strength = strength
self._gate_weights = gate_weights.cpu()
self.tokens_per_frame = tokens_per_frame
def forward(self, x, *args, **kwargs):
base = self.original(x, *args, **kwargs)
lora_down = self._lora_down.to(device=x.device, dtype=x.dtype)
lora_up = self._lora_up.to(device=x.device, dtype=x.dtype)
delta = (x @ lora_down.T) @ lora_up.T
delta = delta * (self.scale * self.strength)
if x.dim() < 2: return base + delta
seq_len = x.shape[-2]
n_frames = len(self._gate_weights)
n_video_tokens = n_frames * self.tokens_per_frame
if seq_len >= n_video_tokens and n_video_tokens > 0:
gate_weights = self._gate_weights.to(device=x.device, dtype=x.dtype)
frame_idx = torch.arange(n_video_tokens, device=x.device) // self.tokens_per_frame
frame_idx = frame_idx.clamp(0, n_frames - 1)
video_gates = gate_weights[frame_idx]
if seq_len > n_video_tokens:
extra = torch.zeros(seq_len - n_video_tokens, device=x.device, dtype=x.dtype)
token_gates = torch.cat([video_gates, extra])
else:
token_gates = video_gates
view_shape = (1,) * (x.dim() - 2) + (seq_len, 1)
delta = delta * token_gates.view(view_shape)
return base + delta
def _build_gate_weights(seg, latent_frames):
midpoint, window, sigma = float(seg["midpoint"]), float(seg["window"]), float(seg["sigma"])
weights = []
for frame in range(latent_frames):
d = abs(frame - midpoint)
cost = (max(d - window, 0.0) ** 2) / (2.0 * sigma ** 2)
weights.append(math.exp(-cost))
return torch.tensor(weights, dtype=torch.float32)
def _get_module(diffusion_model, local_path):
m = diffusion_model
for part in local_path.split("."): m = getattr(m, part)
return m
def _apply_gated_lora(model_clone, lora_path, segment, strength, tokens_per_frame, latent_frames):
try:
try: import comfy.loras as _lora_mod
except ImportError: import comfy.lora as _lora_mod
except ImportError:
log.error("[Rikan MultiLoraGate] comfy.loras is not available.")
return
lora_file = comfy.utils.load_torch_file(lora_path, safe_load=True)
key_map = {}
try:
_lora_mod.model_lora_keys_unet(model_clone.model, key_map)
except Exception as e:
log.error("[Rikan MultiLoraGate] Failed to create LoRA key map: %s", e)
return
try:
patches = _lora_mod.load_lora(lora_file, key_map)
except Exception as e:
log.error("[Rikan MultiLoraGate] Failed to parse LoRA file: %s", e)
return
gate_weights = _build_gate_weights(segment, latent_frames)
diffusion_model = model_clone.get_model_object("diffusion_model")
applied = 0
skipped_not_weight = 0
skipped_not_diffusion = 0
skipped_bad_data = 0
skipped_not_linear = 0
_logged_patch_sample = False
for param_key, patch_data in patches.items():
if not _logged_patch_sample:
log.info("[Rikan MultiLoraGate] patch_data sample — key=%s attrs=%s", param_key, [a for a in dir(patch_data) if not a.startswith("_")])
log.info("[Rikan MultiLoraGate] patch_data.weights=%s multiplier=%s", repr(patch_data.weights), repr(patch_data.multiplier))
_logged_patch_sample = True
if not param_key.endswith(".weight"):
skipped_not_weight += 1
continue
module_path = param_key[:-7]
if not module_path.startswith("diffusion_model."):
skipped_not_diffusion += 1
continue
local_path = module_path[len("diffusion_model."):]
try:
lora_up = patch_data.weights[0]
lora_down = patch_data.weights[1]
alpha = patch_data.multiplier
except (TypeError, IndexError, AttributeError):
skipped_bad_data += 1
continue
if lora_up is None or lora_down is None:
skipped_bad_data += 1
continue
if lora_down.dim() != 2 or lora_up.dim() != 2:
skipped_not_linear += 1
continue
rank = lora_down.shape[0]
scale = float(alpha) / rank if alpha is not None else 1.0
target = model_clone.object_patches.get(module_path)
if target is None:
try:
target = _get_module(diffusion_model, local_path)
except AttributeError:
skipped_not_diffusion += 1
continue
wrapped = _TemporalGatedLoRA(target.forward, lora_down, lora_up, scale, strength, gate_weights, tokens_per_frame)
model_clone.add_object_patch(module_path + ".forward", wrapped.forward)
applied += 1
log.info(
"[Rikan MultiLoraGate] Segment midpoint=%.1f window=%.1f — applied %d, not_weight=%d, not_diffusion=%d, bad_data=%d, not_linear=%d",
float(segment["midpoint"]), float(segment["window"]), applied,
skipped_not_weight, skipped_not_diffusion, skipped_bad_data, skipped_not_linear,
)
# ==============================================================================
# 3. NODES
# ==============================================================================
class RikanPromptRelayEncodeTimeline(io.ComfyNode):
@classmethod
def define_schema(cls):
return io.Schema(
node_id="RikanPromptRelayEncodeTimeline",
display_name="Rikan Prompt Relay Encode (Timeline)",
category="Rikannodes",
inputs=[
io.Model.Input("model"),
io.Clip.Input("clip"),
io.Latent.Input("latent"),
io.String.Input("global_prompt", multiline=True, default=""),
io.Int.Input("max_frames", default=129, min=1, max=10000),
io.String.Input("timeline_data", default=""),
io.String.Input("local_prompts", multiline=True, default=""),
io.String.Input("segment_lengths", default=""),
io.Float.Input("epsilon", default=1e-3, min=1e-6, max=0.99, step=1e-4),
io.Float.Input("fps", default=24.0, min=0.1, max=240.0, optional=True),
io.Float.Input("seconds", default=5.375, min=0.1, max=1000.0, step=0.1, optional=True),
io.Combo.Input("time_units", options=["frames", "seconds"], default="frames", optional=True),
],
outputs=[
io.Model.Output(display_name="model"),
io.Conditioning.Output(display_name="positive"),
io.Float.Output(display_name="fps_out"),
io.Int.Output(display_name="max_frames_out"),
],
)
@classmethod
def execute(cls, model, clip, latent, global_prompt, max_frames, timeline_data, local_prompts, segment_lengths, epsilon, fps=24.0, seconds=5.375, time_units="frames") -> io.NodeOutput:
locals_list = [p.strip() for p in local_prompts.split("|") if p.strip()]
if not locals_list: raise ValueError("At least one local prompt is required.")
arch, patch_size, temporal_stride = detect_model_type(model)
samples = latent["samples"]
latent_frames = samples.shape[2]
tokens_per_frame = (samples.shape[3] // patch_size[1]) * (samples.shape[4] // patch_size[2])
parsed_lengths = None
if segment_lengths.strip():
pixel_lengths = [int(x.strip()) for x in segment_lengths.split(",") if x.strip()]
parsed_lengths = _convert_to_latent_lengths(pixel_lengths, temporal_stride, latent_frames)
full_prompt, token_ranges = map_token_indices(get_raw_tokenizer(clip), global_prompt, locals_list)
log.info("[RikanPromptRelay] Global: tokens [0:%d] (%d tokens)", token_ranges[0][0], token_ranges[0][0])
for i, (s, e) in enumerate(token_ranges):
log.info("[RikanPromptRelay] Segment %d: tokens [%d:%d] (%d tokens)", i, s, e, e - s)
conditioning = clip.encode_from_tokens_scheduled(clip.tokenize(full_prompt))
effective_lengths = distribute_segment_lengths(len(locals_list), latent_frames, parsed_lengths)
log.info(
"[RikanPromptRelay] Latent: %d frames, %d tokens/frame, segments: %s",
latent_frames, tokens_per_frame, effective_lengths,
)
q_token_idx = build_segments(token_ranges, effective_lengths, epsilon)
mask_fn = create_mask_fn(q_token_idx, tokens_per_frame, latent_frames)
patched = model.clone()
apply_patches(patched, arch, mask_fn)
for key in ["rikan_pr_segments", "pr_segments"]: patched.model_options[key] = q_token_idx
for key in ["rikan_pr_latent_frames", "pr_latent_frames"]: patched.model_options[key] = latent_frames
for key in ["rikan_pr_tokens_per_frame", "pr_tokens_per_frame"]: patched.model_options[key] = tokens_per_frame
print(f"\n[Timeline] SUCCESS: Injected {len(q_token_idx)} segments.\n")
return io.NodeOutput(patched, conditioning, float(fps), int(max_frames))
class RikanPromptRelayMultiLoraGate(io.ComfyNode):
@classmethod
def define_schema(cls):
return io.Schema(
node_id="RikanPromptRelayMultiLoraGate",
display_name="Rikan Prompt Relay Multi LoRA Gate",
category="Rikannodes",
inputs=[
io.Model.Input("model"),
io.String.Input("lora_data", default="[]", multiline=True),
],
outputs=[io.Model.Output(display_name="model")],
)
@classmethod
def execute(cls, model, lora_data) -> io.NodeOutput:
segments = model.model_options.get("rikan_pr_segments")
latent_frames = model.model_options.get("rikan_pr_latent_frames")
tokens_per_frame = model.model_options.get("rikan_pr_tokens_per_frame")
if segments is None:
log.warning("[Rikan MultiLoraGate] Prompt Relay metadata not found. Ensure it is connected to the Timeline node.")
return io.NodeOutput(model)
try:
loras_to_apply = json.loads(lora_data)
except Exception as e:
log.error(f"[Rikan MultiLoraGate] Failed to process JSON data: {e}")
return io.NodeOutput(model)
patched = model.clone()
total_segments = len(segments)
for lora in loras_to_apply:
if not lora.get("enable", False) or lora.get("name") == "None":
continue
lora_name = lora.get("name")
seg_idx = int(lora.get("segment", 0))
strength = float(lora.get("modelStr", 1.0))
if seg_idx < 0 or seg_idx >= total_segments:
log.warning(f"[Rikan MultiLoraGate] SKIP: LoRA '{lora_name}' attempts to use Segment {seg_idx}, "
f"but the Timeline only has {total_segments} segment(s) (Available indices 0 to {total_segments-1}).")
continue
lora_path = folder_paths.get_full_path("loras", lora_name)
if lora_path is None:
log.warning(f"[Rikan MultiLoraGate] LoRA file not found: {lora_name}")
continue
_apply_gated_lora(patched, lora_path, segments[seg_idx], strength, tokens_per_frame, latent_frames)
patched.model_options["rikan_pr_segments"] = segments
patched.model_options["rikan_pr_latent_frames"] = latent_frames
patched.model_options["rikan_pr_tokens_per_frame"] = tokens_per_frame
return io.NodeOutput(patched)
class RikanI2VPainterTiledVAE(io.ComfyNode):
@classmethod
def define_schema(cls):
return io.Schema(
node_id="rikan-i2vpainter-tiled-vae",
display_name="Rikan I2V Painter (Tiled VAE)",
category="Rikannodes",
inputs=[
io.Conditioning.Input("positive"),
io.Conditioning.Input("negative"),
io.Vae.Input("vae"),
io.Int.Input("width", default=832, min=16, max=4096, step=16),
io.Int.Input("height", default=480, min=16, max=4096, step=16),
io.Int.Input("length", default=81, min=1, max=4096, step=4),
io.Int.Input("batch_size", default=1, min=1, max=4096),
io.Int.Input("tile_size", default=512, min=64, max=4096, step=64),
io.Int.Input("overlap", default=64, min=0, max=4096, step=32),
io.Int.Input("temporal_size", default=64, min=8, max=4096, step=4),
io.Int.Input("temporal_overlap", default=24, min=4, max=4096, step=4),
io.Float.Input("motion_amplitude", default=1.3, min=1.0, max=2.0, step=0.05),
io.Boolean.Input("color_protect", default=True),
io.Float.Input("correct_strength", default=0.01, min=0.0, max=0.3, step=0.01),
io.ClipVisionOutput.Input("clip_vision", optional=True),
io.Image.Input("start_image", optional=True),
],
outputs=[
io.Conditioning.Output(display_name="high_positive"),
io.Conditioning.Output(display_name="high_negative"),
io.Conditioning.Output(display_name="low_positive"),
io.Conditioning.Output(display_name="low_negative"),
io.Latent.Output(display_name="latent"),
]
)
@classmethod
def execute(cls, positive, negative, vae, width, height, length, batch_size,
tile_size=512, overlap=64, temporal_size=64, temporal_overlap=8,
motion_amplitude=1.3, color_protect=True, correct_strength=0.01,
start_image=None, clip_vision=None) -> io.NodeOutput:
latent = torch.zeros([batch_size, 16, ((length - 1) // 4) + 1, height // 8, width // 8],
device=comfy.model_management.intermediate_device())
positive_original = positive
negative_original = negative
if start_image is not None:
start_image = start_image[:1]
start_image = comfy.utils.common_upscale(start_image.movedim(-1, 1), width, height, "bilinear", "center").movedim(1, -1)
image = torch.ones((length, height, width, 3), device=start_image.device, dtype=start_image.dtype) * 0.5
image[0] = start_image[0]
concat_latent_image = vae.encode_tiled(image, tile_x=tile_size, tile_y=tile_size, overlap=overlap, tile_t=temporal_size, overlap_t=temporal_overlap)
mask = torch.ones((1, 1, latent.shape[2], concat_latent_image.shape[-2], concat_latent_image.shape[-1]), device=start_image.device)
mask[:, :, 0] = 0.0
concat_latent_image_original = concat_latent_image.clone()
if motion_amplitude > 1.0:
base_latent = concat_latent_image[:, :, 0:1]
gray_latent = concat_latent_image[:, :, 1:]
diff = gray_latent - base_latent
diff_mean = diff.mean(dim=(1, 3, 4), keepdim=True)
diff_centered = diff - diff_mean
scaled_latent = base_latent + diff_centered * motion_amplitude + diff_mean
scaled_latent = torch.clamp(scaled_latent, -6, 6)
concat_latent_image = torch.cat([base_latent, scaled_latent], dim=2)
post_enhanced = concat_latent_image.clone()
if color_protect and correct_strength > 0:
orig_mean = concat_latent_image_original.mean(dim=(2, 3, 4))
enhanced_mean = post_enhanced.mean(dim=(2, 3, 4))
mean_drift = torch.abs(enhanced_mean - orig_mean) / (torch.abs(orig_mean) + 1e-6)
problem_channels = mean_drift > 0.18
if problem_channels.any():
drift_amount = enhanced_mean - orig_mean
correction = drift_amount * problem_channels.float() * correct_strength * 0.03
for b in range(batch_size):
for c in range(16):
if correction[b, c].abs() > 0:
post_enhanced[b, c] = torch.where(
post_enhanced[b, c] > 0,
post_enhanced[b, c] - correction[b, c],
post_enhanced[b, c]
)
orig_brightness = concat_latent_image_original.mean()
enhanced_brightness = post_enhanced.mean()
if enhanced_brightness < orig_brightness * 0.92:
brightness_boost = min(orig_brightness / (enhanced_brightness + 1e-6), 1.05)
post_enhanced = torch.where(
post_enhanced < 0.5,
post_enhanced * brightness_boost,
post_enhanced
)
concat_latent_image = torch.clamp(post_enhanced, -6, 6)
positive = node_helpers.conditioning_set_values(positive, {"concat_latent_image": concat_latent_image, "concat_mask": mask})
negative = node_helpers.conditioning_set_values(negative, {"concat_latent_image": concat_latent_image, "concat_mask": mask})
positive_original = node_helpers.conditioning_set_values(positive_original, {"concat_latent_image": concat_latent_image_original, "concat_mask": mask})
negative_original = node_helpers.conditioning_set_values(negative_original, {"concat_latent_image": concat_latent_image_original, "concat_mask": mask})
ref_latent = vae.encode_tiled(start_image[:,:,:,:3], tile_x=tile_size, tile_y=tile_size, overlap=overlap, tile_t=temporal_size, overlap_t=temporal_overlap)
positive = node_helpers.conditioning_set_values(positive, {"reference_latents": [ref_latent]}, append=True)
negative = node_helpers.conditioning_set_values(negative, {"reference_latents": [torch.zeros_like(ref_latent)]}, append=True)
positive_original = node_helpers.conditioning_set_values(positive_original, {"reference_latents": [ref_latent]}, append=True)
negative_original = node_helpers.conditioning_set_values(negative_original, {"reference_latents": [torch.zeros_like(ref_latent)]}, append=True)
if clip_vision is not None:
positive = node_helpers.conditioning_set_values(positive, {"clip_vision_output": clip_vision})
negative = node_helpers.conditioning_set_values(negative, {"clip_vision_output": clip_vision})
positive_original = node_helpers.conditioning_set_values(positive_original, {"clip_vision_output": clip_vision})
negative_original = node_helpers.conditioning_set_values(negative_original, {"clip_vision_output": clip_vision})
out_latent = {"samples": latent}
return io.NodeOutput(positive, negative, positive_original, negative_original, out_latent)
class RikanI2VPainter(io.ComfyNode):
@classmethod
def define_schema(cls):
return io.Schema(
node_id="rikan-i2vpainter",
display_name="Rikan I2V Painter",
category="Rikannodes",
inputs=[
io.Conditioning.Input("positive"),
io.Conditioning.Input("negative"),
io.Vae.Input("vae"),
io.Int.Input("width", default=832, min=16, max=4096, step=16),
io.Int.Input("height", default=480, min=16, max=4096, step=16),
io.Int.Input("length", default=81, min=1, max=4096, step=4),
io.Int.Input("batch_size", default=1, min=1, max=4096),
io.Float.Input("motion_amplitude", default=1.3, min=1.0, max=2.0, step=0.05),
io.Boolean.Input("color_protect", default=True),
io.Float.Input("correct_strength", default=0.01, min=0.0, max=0.3, step=0.01),
io.ClipVisionOutput.Input("clip_vision", optional=True),
io.Image.Input("start_image", optional=True),
],
outputs=[
io.Conditioning.Output(display_name="high_positive"),
io.Conditioning.Output(display_name="high_negative"),
io.Conditioning.Output(display_name="low_positive"),
io.Conditioning.Output(display_name="low_negative"),
io.Latent.Output(display_name="latent"),
]
)
@classmethod
def execute(cls, positive, negative, vae, width, height, length, batch_size,
motion_amplitude=1.3, color_protect=True, correct_strength=0.01,
start_image=None, clip_vision=None) -> io.NodeOutput:
latent = torch.zeros([batch_size, 16, ((length - 1) // 4) + 1, height // 8, width // 8],
device=comfy.model_management.intermediate_device())
positive_original = positive
negative_original = negative
if start_image is not None:
start_image = start_image[:1]
start_image = comfy.utils.common_upscale(start_image.movedim(-1, 1), width, height, "bilinear", "center").movedim(1, -1)
image = torch.ones((length, height, width, 3), device=start_image.device, dtype=start_image.dtype) * 0.5
image[0] = start_image[0]
concat_latent_image = vae.encode(image[:, :, :, :3])
mask = torch.ones((1, 1, latent.shape[2], concat_latent_image.shape[-2], concat_latent_image.shape[-1]), device=start_image.device)
mask[:, :, 0] = 0.0
concat_latent_image_original = concat_latent_image.clone()
if motion_amplitude > 1.0:
base_latent = concat_latent_image[:, :, 0:1]
gray_latent = concat_latent_image[:, :, 1:]
diff = gray_latent - base_latent
diff_mean = diff.mean(dim=(1, 3, 4), keepdim=True)
diff_centered = diff - diff_mean
scaled_latent = base_latent + diff_centered * motion_amplitude + diff_mean
scaled_latent = torch.clamp(scaled_latent, -6, 6)
concat_latent_image = torch.cat([base_latent, scaled_latent], dim=2)
post_enhanced = concat_latent_image.clone()
if color_protect and correct_strength > 0:
orig_mean = concat_latent_image_original.mean(dim=(2, 3, 4))
enhanced_mean = post_enhanced.mean(dim=(2, 3, 4))
mean_drift = torch.abs(enhanced_mean - orig_mean) / (torch.abs(orig_mean) + 1e-6)
problem_channels = mean_drift > 0.18
if problem_channels.any():
drift_amount = enhanced_mean - orig_mean
correction = drift_amount * problem_channels.float() * correct_strength * 0.03
for b in range(batch_size):
for c in range(16):
if correction[b, c].abs() > 0:
post_enhanced[b, c] = torch.where(
post_enhanced[b, c] > 0,
post_enhanced[b, c] - correction[b, c],
post_enhanced[b, c]
)
orig_brightness = concat_latent_image_original.mean()
enhanced_brightness = post_enhanced.mean()
if enhanced_brightness < orig_brightness * 0.92:
brightness_boost = min(orig_brightness / (enhanced_brightness + 1e-6), 1.05)
post_enhanced = torch.where(
post_enhanced < 0.5,
post_enhanced * brightness_boost,
post_enhanced
)
concat_latent_image = torch.clamp(post_enhanced, -6, 6)
positive = node_helpers.conditioning_set_values(positive, {"concat_latent_image": concat_latent_image, "concat_mask": mask})
negative = node_helpers.conditioning_set_values(negative, {"concat_latent_image": concat_latent_image, "concat_mask": mask})
positive_original = node_helpers.conditioning_set_values(positive_original, {"concat_latent_image": concat_latent_image_original, "concat_mask": mask})
negative_original = node_helpers.conditioning_set_values(negative_original, {"concat_latent_image": concat_latent_image_original, "concat_mask": mask})
ref_latent = vae.encode(start_image[:,:,:,:3])
positive = node_helpers.conditioning_set_values(positive, {"reference_latents": [ref_latent]}, append=True)
negative = node_helpers.conditioning_set_values(negative, {"reference_latents": [torch.zeros_like(ref_latent)]}, append=True)
positive_original = node_helpers.conditioning_set_values(positive_original, {"reference_latents": [ref_latent]}, append=True)
negative_original = node_helpers.conditioning_set_values(negative_original, {"reference_latents": [torch.zeros_like(ref_latent)]}, append=True)
if clip_vision is not None:
positive = node_helpers.conditioning_set_values(positive, {"clip_vision_output": clip_vision})
negative = node_helpers.conditioning_set_values(negative, {"clip_vision_output": clip_vision})
positive_original = node_helpers.conditioning_set_values(positive_original, {"clip_vision_output": clip_vision})
negative_original = node_helpers.conditioning_set_values(negative_original, {"clip_vision_output": clip_vision})
out_latent = {"samples": latent}
return io.NodeOutput(positive, negative, positive_original, negative_original, out_latent)
class RikanHiddenBase64ImageLoader:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"base64_data": ("STRING", {"multiline": True, "default": ""}),
}
}
RETURN_TYPES = ("IMAGE", "STRING")
RETURN_NAMES = ("image", "raw_base64")
FUNCTION = "execute"
CATEGORY = "Rikannodes"
def execute(self, base64_data):
if not base64_data or base64_data.strip() == "":
return (torch.zeros((1, 64, 64, 3)), "")
try:
# Membersihkan header jika ada (misal: data:image/png;base64,...)
if "," in base64_data:
base64_data = base64_data.split(",")[1]
img_bytes = base64.b64decode(base64_data)
img = Image.open(pyio.BytesIO(img_bytes)).convert("RGB")
# Konversi ke tensor ComfyUI
img_np = np.array(img).astype(np.float32) / 255.0
img_tensor = torch.from_numpy(img_np)[None,]
return (img_tensor, base64_data)
except Exception as e:
print(f"[RikanLoader] Error: {e}")
return (torch.zeros((1, 64, 64, 3)), "")
class RikanHiddenBase64ImageSaver:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"image": ("IMAGE",),
}
}
RETURN_TYPES = ("STRING",)
RETURN_NAMES = ("base64_data",)
FUNCTION = "execute"
CATEGORY = "Rikannodes"
OUTPUT_NODE = True # Wajib agar node tetap jalan tanpa kabel output
def execute(self, image):
if image is None:
return {"ui": {"base64_data": [""]}, "result": ("",)}
try:
# Ambil frame pertama
img_tensor = image[0]
img_np = (img_tensor.cpu().numpy() * 255.0).clip(0, 255).astype(np.uint8)
img_pil = Image.fromarray(img_np)
# Encode ke Base64 di memori (Tanpa simpan file)
buffered = pyio.BytesIO()
img_pil.save(buffered, format="PNG")
img_base64 = base64.b64encode(buffered.getvalue()).decode("utf-8")
# Kirim ke UI (JavaScript) dan ke Output kabel
return {"ui": {"base64_data": [img_base64]}, "result": (img_base64,)}
except Exception as e:
print(f"[RikanSaver] Error: {e}")
return {"ui": {"base64_data": [""]}, "result": ("",)}
# ── NEW: WAN SPATIO-TEMPORAL TILED VAE DECODE ───────────────────────────────
class RikanWanSpatioTemporalTiledVAEDecode(io.ComfyNode):
@classmethod
def define_schema(cls):
return io.Schema(
node_id="RikanWanSpatioTemporalTiledVAEDecode",
display_name="Rikan Wan Spatio-Temporal Tiled VAE Decode",
category="Rikannodes",
inputs=[
io.Vae.Input("vae"),
io.Latent.Input("latents"),
io.Int.Input("spatial_tiles", default=4, min=1, max=8),
io.Int.Input("spatial_overlap", default=4, min=0, max=8),
io.Int.Input("temporal_tile_length", default=16, min=2, max=1000),
io.Int.Input("temporal_overlap", default=4, min=0, max=8),
],
outputs=[
io.Image.Output(display_name="image"),
]
)
@classmethod
def execute(cls, vae, latents, spatial_tiles=2, spatial_overlap=1, temporal_tile_length=16, temporal_overlap=1) -> io.NodeOutput:
samples = latents["samples"]
batch, channels, frames, height, width = samples.shape
# Menganalisis faktor skala secara dinamis (mengadaptasi berbagai jenis model)
dummy_latent = torch.zeros((1, channels, 2, 2, 2), device=samples.device, dtype=samples.dtype)
dummy_out = vae.decode(dummy_latent)
# PERBAIKAN: Membaca shape dari belakang agar aman dari perbedaan 4D vs 5D tensor
f_out = dummy_out.shape[-4]
h_out = dummy_out.shape[-3]
w_out = dummy_out.shape[-2]
time_scale_factor = (f_out - 1) // (2 - 1)
height_scale_factor = h_out // 2
width_scale_factor = w_out // 2
image_frames = 1 + (frames - 1) * time_scale_factor
output_height = height * height_scale_factor
output_width = width * width_scale_factor
target_device = samples.device
target_dtype = torch.float32
def compute_chunk_boundaries(chunk_start, temp_len, temp_overlap, total_frames):
if chunk_start == 0:
return chunk_start, min(chunk_start + temp_len, total_frames)
overlap_start = max(1, chunk_start - temp_overlap - 1)
extra_frames = chunk_start - overlap_start
chunk_end = min(chunk_start + temp_len - extra_frames, total_frames)
return overlap_start, chunk_end
def decode_spatial(temporal_chunk):
chunk_frames = temporal_chunk.shape[2]
chunk_out_frames = 1 + (chunk_frames - 1) * time_scale_factor
base_tile_height = (height + (spatial_tiles - 1) * spatial_overlap) // spatial_tiles
base_tile_width = (width + (spatial_tiles - 1) * spatial_overlap) // spatial_tiles
out_chunk = torch.zeros((batch, chunk_out_frames, output_height, output_width, 3), device=target_device, dtype=target_dtype)
out_weights = torch.zeros((batch, chunk_out_frames, output_height, output_width, 1), device=target_device, dtype=target_dtype)
for v in range(spatial_tiles):
for h in range(spatial_tiles):
h_start = h * (base_tile_width - spatial_overlap)
v_start = v * (base_tile_height - spatial_overlap)
h_end = min(h_start + base_tile_width, width) if h < spatial_tiles - 1 else width
v_end = min(v_start + base_tile_height, height) if v < spatial_tiles - 1 else height
tile = temporal_chunk[:, :, :, v_start:v_end, h_start:h_end]
log.info(f"[Rikan VAE] Decoding spatial tile ({v},{h}) size: {tile.shape}")
decoded_tile = vae.decode(tile).to(target_device, target_dtype)
# PERBAIKAN: Memastikan formatnya selalu 5D [Batch, Frame, Height, Width, Channels]
if len(decoded_tile.shape) == 4:
decoded_tile = decoded_tile.view(batch, chunk_out_frames, decoded_tile.shape[-3], decoded_tile.shape[-2], decoded_tile.shape[-1])
out_h_start = v_start * height_scale_factor
out_h_end = v_end * height_scale_factor
out_w_start = h_start * width_scale_factor
out_w_end = h_end * width_scale_factor
tile_weights = torch.ones((batch, chunk_out_frames, out_h_end - out_h_start, out_w_end - out_w_start, 1), device=target_device, dtype=target_dtype)
overlap_out_h = spatial_overlap * height_scale_factor
overlap_out_w = spatial_overlap * width_scale_factor
if h > 0:
h_blend = torch.linspace(0, 1, overlap_out_w, device=target_device, dtype=target_dtype)
tile_weights[:, :, :, :overlap_out_w, :] *= h_blend.view(1, 1, 1, -1, 1)
if h < spatial_tiles - 1:
h_blend = torch.linspace(1, 0, overlap_out_w, device=target_device, dtype=target_dtype)
tile_weights[:, :, :, -overlap_out_w:, :] *= h_blend.view(1, 1, 1, -1, 1)
if v > 0:
v_blend = torch.linspace(0, 1, overlap_out_h, device=target_device, dtype=target_dtype)
tile_weights[:, :, :overlap_out_h, :, :] *= v_blend.view(1, 1, -1, 1, 1)
if v < spatial_tiles - 1:
v_blend = torch.linspace(1, 0, overlap_out_h, device=target_device, dtype=target_dtype)
tile_weights[:, :, -overlap_out_h:, :, :] *= v_blend.view(1, 1, -1, 1, 1)
out_chunk[:, :, out_h_start:out_h_end, out_w_start:out_w_end, :] += decoded_tile * tile_weights
out_weights[:, :, out_h_start:out_h_end, out_w_start:out_w_end, :] += tile_weights
out_chunk /= out_weights + 1e-8
return out_chunk
output = torch.empty((batch, image_frames, output_height, output_width, 3), device=target_device, dtype=target_dtype)
chunk_start = 0
while chunk_start < frames:
overlap_start, chunk_end = compute_chunk_boundaries(chunk_start, temporal_tile_length, temporal_overlap, frames)
temp_tile = samples[:, :, overlap_start:chunk_end]
log.info(f"[Rikan VAE] Processing temporal chunk {overlap_start}:{chunk_end} (length: {chunk_end - overlap_start})")
decoded_chunk = decode_spatial(temp_tile)
if chunk_start == 0:
output[:, :decoded_chunk.shape[1]] = decoded_chunk
else:
decoded_chunk = decoded_chunk[:, 1:]
out_t_start = 1 + overlap_start * time_scale_factor
out_t_end = out_t_start + decoded_chunk.shape[1]
overlap_frames = temporal_overlap * time_scale_factor
frame_weights = torch.linspace(0, 1, overlap_frames + 2, device=target_device, dtype=target_dtype)[1:-1]
tile_weights = frame_weights.view(1, -1, 1, 1, 1)
after_overlap = out_t_start + overlap_frames
overlap_out = decoded_chunk[:, :overlap_frames]
output[:, out_t_start:after_overlap] *= (1 - tile_weights)
output[:, out_t_start:after_overlap] += (tile_weights * overlap_out)
output[:, after_overlap:out_t_end] = decoded_chunk[:, overlap_frames:]
chunk_start = chunk_end
output = output.view(batch * image_frames, output_height, output_width, 3)
if target_device.type == "cuda":
torch.cuda.empty_cache()
return io.NodeOutput(output)
class RikanQwenCustomImageSize(io.ComfyNode):
@classmethod
def define_schema(cls):
return io.Schema(
node_id="RikanQwenCustomImageSize",
display_name="Rikan Qwen Custom Image Size",
category="Rikannodes",
inputs=[
io.Image.Input("pixels"),
io.Vae.Input("vae"),
io.String.Input("text", multiline=True, default=""),
io.Combo.Input("resize_mode", options=["Crop to Fit", "Generative Fill", "Zoom Out"], default="Crop to Fit"),
# Menambahkan opsi Full Body
io.Combo.Input("prompt_theme", options=["Technical Precision", "Artistic Continuity", "Full Body"], default="Technical Precision"),
io.Combo.Input("resolution_preset", options=["Custom", "512p (SD 1.5)", "720p (HD)", "1080p (FHD)", "1024p (SDXL)"], default="720p (HD)"),
io.Combo.Input("orientation", options=["Horizontal (Landscape)", "Vertical (Portrait)", "Square (1:1)"], default="Horizontal (Landscape)"),
io.Int.Input("custom_width", default=1280, min=16, max=8192, step=8),
io.Int.Input("custom_height", default=720, min=16, max=8192, step=8),
io.Int.Input("batch_size", default=1, min=1, max=4096)
],
outputs=[
io.Latent.Output(display_name="latent"),
io.String.Output(display_name="combined_prompt")
]
)
@classmethod
def execute(cls, pixels, vae, text, resize_mode, prompt_theme, resolution_preset, orientation, custom_width, custom_height, batch_size) -> io.NodeOutput:
# Menentukan resolusi kanvas target
if resolution_preset == "Custom":
w, h = custom_width, custom_height
else:
if resolution_preset == "512p (SD 1.5)": base_long, base_short = 768, 512
elif resolution_preset == "720p (HD)": base_long, base_short = 1280, 720
elif resolution_preset == "1080p (FHD)": base_long, base_short = 1920, 1080
elif resolution_preset == "1024p (SDXL)": base_long, base_short = 1344, 768
if orientation == "Horizontal (Landscape)": w, h = base_long, base_short
elif orientation == "Vertical (Portrait)": w, h = base_short, base_long
else: w, h = base_short, base_short
# Paksa orientasi menjadi vertikal jika mode Full Body
if prompt_theme == "Full Body" and w > h:
w, h = h, w
w, h = (w // 8) * 8, (h // 8) * 8
pixels_batch = pixels[0:1].repeat(batch_size, 1, 1, 1)
B, orig_H, orig_W, C = pixels_batch.shape
# Bypass Crop to Fit normal jika sedang di mode Full Body agar outpaint bisa berjalan
if resize_mode == "Crop to Fit" and prompt_theme != "Full Body":
pixels_processed = comfy.utils.common_upscale(pixels_batch.movedim(-1, 1), w, h, "bilinear", "center").movedim(1, -1)
t = vae.encode(pixels_processed[:,:,:,:3])
return io.NodeOutput({"samples": t}, text)
else:
base_scale = min(w / orig_W, h / orig_H)
# Matikan efek zoom out jika Full Body
if resize_mode == "Zoom Out" and prompt_theme != "Full Body":
final_scale = base_scale * 0.70
else:
final_scale = base_scale
new_W, new_H = round(orig_W * final_scale), round(orig_H * final_scale)
resized = comfy.utils.common_upscale(pixels_batch.movedim(-1, 1), new_W, new_H, "bilinear", "disabled").movedim(1, -1)
canvas = torch.zeros((batch_size, h, w, C), device=pixels_batch.device, dtype=pixels_batch.dtype)
canvas.fill_(0.5)
# Logika penempatan gambar
if prompt_theme == "Full Body":
y_off = 0 # Tempel di ujung atas
x_off = (w - new_W) // 2
else:
y_off = (h - new_H) // 2 # Posisi tengah
x_off = (w - new_W) // 2
canvas[:, y_off:y_off+new_H, x_off:x_off+new_W, :] = resized
t = vae.encode(canvas[:,:,:,:3])
# Deteksi area kosong secara matematis untuk menyesuaikan arah prompt
if h - new_H > w - new_W:
pad_direction = "top and bottom"
else:
pad_direction = "left and right"
# --- Pembentukan Prompt Otomatis ---
if prompt_theme == "Full Body":
addon = "Seamlessly extend the image to generate the full body. Maintain the face and upper body as an untouched anchor. Generative fill the extended area with matching environment. Zero distortion of original details."
elif prompt_theme == "Technical Precision":
# Menggunakan kata kerja dasar (Verb 1)
action_desc = "perform a wide-angle zoom out" if resize_mode == "Zoom Out" else "extend the frame"
addon = f"Seamlessly generate the {pad_direction} areas by {action_desc}. Match existing textures and lighting while maintaining the central original image as an untouched anchor. Make it natural like it was always the original zoomed-out photograph. Zero distortion of original details."
else: # Artistic Continuity
action_desc = "perform a wide-angle zoom out" if resize_mode == "Zoom Out" else "extend the frame"
addon = f"Seamlessly {action_desc} by performing a context-aware generative fill on the {pad_direction} empty spaces. Match the existing color grade, depth of field, and environmental theme perfectly. Ensure the new areas are a natural aesthetic continuation of the original image."
final_prompt = f"{text}\n{addon}" if text.strip() != "" else addon
return io.NodeOutput({"samples": t}, final_prompt)
class RikanRTXResolutionSettings(io.ComfyNode):
@classmethod
def define_schema(cls):
return io.Schema(
node_id="RikanRTXResolutionSettings",
display_name="Rikan RTX Resolution Settings",
category="Rikannodes",
inputs=[
io.Image.Input("pixels"),
io.Combo.Input("target_resolution", options=["1080p (FHD)", "2K (QHD)", "4K (UHD)", "8K (FUHD)"], default="4K (UHD)")
],
outputs=[
io.Int.Output(display_name="width"),
io.Int.Output(display_name="height")
]
)
@classmethod
def execute(cls, pixels, target_resolution) -> io.NodeOutput:
# Mengambil informasi dimensi dari frame pertama (shape: [Batch, Height, Width, Channels])
orig_h, orig_w = pixels.shape[1], pixels.shape[2]
# Menentukan ukuran sisi terpanjang berdasarkan resolusi yang dipilih
if target_resolution == "1080p (FHD)":
target_long_edge = 1920
elif target_resolution == "2K (QHD)":
target_long_edge = 2560
elif target_resolution == "4K (UHD)":
target_long_edge = 3840
else: # "8K (FUHD)"
target_long_edge = 7680
# Logika Deteksi Orientasi & Perhitungan Aspek Rasio Otomatis
if orig_w > orig_h:
# Landscape (Horizontal)
out_w = target_long_edge
out_h = int(target_long_edge * (orig_h / orig_w))
elif orig_h > orig_w:
# Portrait (Vertical)
out_h = target_long_edge
out_w = int(target_long_edge * (orig_w / orig_h))
else:
# Square (Kotak 1:1)
out_w = target_long_edge
out_h = target_long_edge
# Memastikan hasil akhir bisa dibagi 8 (Syarat wajib untuk Latent/VAE di ComfyUI)
out_w = (out_w // 8) * 8
out_h = (out_h // 8) * 8
return io.NodeOutput(out_w, out_h)
# ── CIVITAI AUTO-FETCH API ───────────────────────────────────────────────────
import aiohttp
LORA_HASH_CACHE = {}
def calculate_sha256_full(filepath):
"""Menghitung SHA256 asli dari seluruh file (Akurat 100% untuk Civitai)"""
sha256_hash = hashlib.sha256()
with open(filepath, "rb") as f:
# Membaca dalam potongan 4MB agar tidak memakan banyak memori RAM
for byte_block in iter(lambda: f.read(4096 * 1024), b""):
sha256_hash.update(byte_block)
return sha256_hash.hexdigest()
@server.PromptServer.instance.routes.post("/rikan/get_lora_info")
async def fetch_lora_info(request):
post = await request.json()
lora_name = post.get("lora_name")
if not lora_name or lora_name == "None":
return web.json_response({"found": False})
# Cek Cache
if lora_name in LORA_HASH_CACHE:
return web.json_response(LORA_HASH_CACHE[lora_name])
lora_path = folder_paths.get_full_path("loras", lora_name)
if not lora_path or not os.path.exists(lora_path):
return web.json_response({"found": False})
# 1. Hitung SHA256
loop = asyncio.get_running_loop()
file_hash = await loop.run_in_executor(None, calculate_sha256_full, lora_path)
print(f"[Rikan API] Fetching Info for {lora_name} (Hash: {file_hash})")
url = f"https://civitai.com/api/v1/model-versions/by-hash/{file_hash}"
headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
"Accept": "application/json"
}
# 2. Ambil data dari Civitai
try:
async with aiohttp.ClientSession() as session:
async with session.get(url, headers=headers, timeout=10) as response:
if response.status == 200:
data = await response.json()
model_id = data.get("modelId")
version_id = data.get("id")
if model_id:
model_info = data.get("model", {})
# --- PERBAIKAN: Mengambil media BESERTA prompt-nya ---
# --- PERBAIKAN: Mengambil media BESERTA prompt & Link Halamannya ---
media_files = []
for img in data.get("images", []):
meta = img.get("meta")
prompt_text = ""
if isinstance(meta, dict):
prompt_text = meta.get("prompt", "")
# Ekstrak ID media dari URL
# Contoh: https://.../original=true/126889780.mp4 -> 126889780
img_url = img.get("url", "")
img_id = ""
if "id" in img:
img_id = str(img["id"])
elif img_url:
filename = img_url.split("/")[-1] # Ambil "126889780.mp4"
img_id = filename.split(".")[0] # Ambil "126889780"
# Buat link menuju halaman post gambar tersebut
page_url = f"https://civitai.com/images/{img_id}" if img_id else img_url
media_files.append({
"url": img_url,
"page_url": page_url,
"type": img.get("type", "image"),
"prompt": prompt_text
})
result = {
"found": True,
"filename": lora_name,
"hash": file_hash,
"url": f"https://civitai.com/models/{model_id}?modelVersionId={version_id}",
"model_name": f"{model_info.get('name', 'Unknown')} - {data.get('name', 'Unknown')}",
"base_model": data.get("baseModel", "Unknown"),
"trained_words": data.get("trainedWords", []),
"media": media_files
}
LORA_HASH_CACHE[lora_name] = result
return web.json_response(result)
except Exception as e:
print(f"[Rikan API] Fetch Error: {e}")
return web.json_response({"found": False, "filename": lora_name, "hash": file_hash})
class RikanMultiLoraLoader(io.ComfyNode):
@classmethod
def define_schema(cls):
return io.Schema(
node_id="RikanMultiLoraLoader",
display_name="Rikan Multi LoRA Loader",
category="Rikannodes",
inputs=[
io.Model.Input("model"),
io.Clip.Input("clip", optional=True), # CLIP bersifat opsional
io.String.Input("lora_data", default="[]", multiline=True),
],
outputs=[
io.Model.Output(display_name="model"),
io.Clip.Output(display_name="clip"),
],
)
@classmethod
def execute(cls, model, lora_data, clip=None) -> io.NodeOutput:
import comfy.sd
import comfy.utils
try:
loras_to_apply = json.loads(lora_data)
except Exception as e:
log.error(f"[Rikan MultiLoraLoader] Failed to process JSON data: {e}")
return io.NodeOutput(model, clip)
# Clone model agar tidak mencemari model asli di node sebelumnya
patched_model = model.clone() if hasattr(model, 'clone') else model
patched_clip = clip.clone() if clip and hasattr(clip, 'clone') else clip
for lora in loras_to_apply:
if not lora.get("enable", False) or lora.get("name") == "None":
continue
lora_name = lora.get("name")
strength = float(lora.get("modelStr", 1.0))
if strength == 0:
continue
lora_path = folder_paths.get_full_path("loras", lora_name)
if lora_path is None:
log.warning(f"[Rikan MultiLoraLoader] LoRA file not found: {lora_name}")
continue
try:
lora_obj = comfy.utils.load_torch_file(lora_path, safe_load=True)
patched_model, patched_clip = comfy.sd.load_lora_for_models(patched_model, patched_clip, lora_obj, strength, strength)
log.info(f"[Rikan MultiLoraLoader] Successfully loaded LoRA: {lora_name} (Strength: {strength})")
except Exception as e:
log.error(f"[Rikan MultiLoraLoader] Error loading LoRA {lora_name}: {e}")
return io.NodeOutput(patched_model, patched_clip)
# ==============================================================================
# MAPPINGS & REGISTRATION
# ==============================================================================
class RikannodesExtension(ComfyExtension):
@override
async def get_node_list(self) -> list[type[io.ComfyNode]]:
return [
RikanPromptRelayEncodeTimeline,
RikanPromptRelayMultiLoraGate,
RikanI2VPainterTiledVAE,
RikanI2VPainter,
RikanHiddenBase64ImageLoader,
RikanHiddenBase64ImageSaver,
RikanWanSpatioTemporalTiledVAEDecode,
RikanQwenCustomImageSize,
RikanRTXResolutionSettings,
RikanMultiLoraLoader
]
async def comfy_entrypoint() -> RikannodesExtension:
return RikannodesExtension()
NODE_CLASS_MAPPINGS = {
"RikanPromptRelayEncodeTimeline": RikanPromptRelayEncodeTimeline,
"RikanPromptRelayMultiLoraGate": RikanPromptRelayMultiLoraGate,
"rikan-i2vpainter-tiled-vae": RikanI2VPainterTiledVAE,
"rikan-i2vpainter": RikanI2VPainter,
"RikanHiddenBase64ImageLoader": RikanHiddenBase64ImageLoader,
"RikanHiddenBase64ImageSaver": RikanHiddenBase64ImageSaver,
"RikanWanSpatioTemporalTiledVAEDecode": RikanWanSpatioTemporalTiledVAEDecode,
"RikanQwenCustomImageSize": RikanQwenCustomImageSize,
"RikanRTXResolutionSettings": RikanRTXResolutionSettings,
"RikanMultiLoraLoader": RikanMultiLoraLoader,
}
NODE_DISPLAY_NAME_MAPPINGS = {
"RikanPromptRelayEncodeTimeline": "Rikan Prompt Relay Encode (Timeline)",
"RikanPromptRelayMultiLoraGate": "Rikan Prompt Relay Multi LoRA Gate",
"rikan-i2vpainter-tiled-vae": "Rikan I2V Painter (Tiled VAE)",
"rikan-i2vpainter": "Rikan I2V Painter",
"RikanHiddenBase64ImageLoader": "Rikan Hidden Base64 Image Loader",
"RikanHiddenBase64ImageSaver": "Rikan Hidden Base64 Image Saver",
"RikanWanSpatioTemporalTiledVAEDecode": "Rikan Wan Spatio-Temporal Tiled VAE Decode",
"RikanQwenCustomImageSize": "Rikan Qwen Custom Image Size",
"RikanRTXResolutionSettings": "Rikan RTX Resolution Settings",
"RikanMultiLoraLoader": "Rikan Multi Lora Loader"
}