From 3ae10dd0e1cb2d3ab570aad3443aad523224d854 Mon Sep 17 00:00:00 2001 From: Vladimir Mandic Date: Thu, 30 Oct 2025 19:50:02 -0400 Subject: [PATCH] add nvidia-chronoedit Signed-off-by: Vladimir Mandic --- .pylintrc | 1 + .ruff.toml | 1 + CHANGELOG.md | 5 + cli/api-control.py | 8 + html/reference.json | 7 + .../nvidia--ChronoEdit-14B-Diffusers.jpg | Bin 0 -> 62760 bytes modules/modeldata.py | 2 +- modules/processing.py | 1 + modules/processing_args.py | 7 +- modules/processing_diffusers.py | 5 + modules/sd_detect.py | 3 +- modules/sd_models.py | 5 + modules/shared.py | 2 + modules/shared_items.py | 2 +- pipelines/chrono/__init__.py | 0 pipelines/chrono/pipeline_chronoedit.py | 764 ++++++++++++++++++ pipelines/chrono/transformer_chronoedit.py | 476 +++++++++++ pipelines/generic.py | 47 +- pipelines/model_chrono.py | 54 ++ pipelines/model_hidream.py | 3 +- 20 files changed, 1371 insertions(+), 22 deletions(-) create mode 100644 models/Reference/nvidia--ChronoEdit-14B-Diffusers.jpg create mode 100644 pipelines/chrono/__init__.py create mode 100644 pipelines/chrono/pipeline_chronoedit.py create mode 100644 pipelines/chrono/transformer_chronoedit.py create mode 100644 pipelines/model_chrono.py diff --git a/.pylintrc b/.pylintrc index e483254dc..27d3e7a52 100644 --- a/.pylintrc +++ b/.pylintrc @@ -45,6 +45,7 @@ ignore-paths=/usr/lib/.*$, pipelines/omnigen2, pipelines/segmoe, pipelines/xomni, + pipelines/chrono, scripts/consistory, scripts/ctrlx, scripts/daam, diff --git a/.ruff.toml b/.ruff.toml index de4e0f7a5..7b4f4fb57 100644 --- a/.ruff.toml +++ b/.ruff.toml @@ -24,6 +24,7 @@ exclude = [ "pipelines/hdm", "pipelines/segmoe", "pipelines/xomni", + "pipelines/chrono", "scripts/lbm", "scripts/daam", diff --git a/CHANGELOG.md b/CHANGELOG.md index 077b2e247..cf5837105 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -8,6 +8,7 @@ Less than 2 weeks since last release, here's a service-pack style update with a - Reorganization of **Reference Models** into *Base, Quantized, Distilled and Community* sections for easier navigation and introduction of optimized **pre-quantized** variants for many popular models - use this as your quick start! - New models: **HunyuanImage 2.1** capable of 2K images natively, **HunyuanImage 3.0** large unified multimodal autoregressive model, + **ChronoEdit** that re-purposes temporal consistency of generation for image editing **Pony 7** based on AuraFlow architecture, **Kandinsky 5** 10s video models - New **offline mode** to use previously downloaded models without internet connection - Optimizations to **WAN-2.2** given its popularity @@ -36,6 +37,10 @@ Less than 2 weeks since last release, here's a service-pack style update with a *HunyuanImage-2.1* is a large (51GB) T2I model capable of natively generating 2K images and uses Qwen2.5 + T5 text-encoders and 32x VAE - [Tencent HunyuanImage 3.0](https://huggingface.co/tencent/HunyuanImage-3.0) in [pre-quant](https://huggingface.co/Disty0/HunyuanImage3-SDNQ-uint4-svd-r32) only variant due to massive size *HunyuanImage 3.0* is very large at 47GB pre-quantized (oherwise its 157GB) that unifies multimodal understanding and generation within an autoregressive framework + - [nVidia ChronoEdit](https://huggingface.co/nvidia/ChronoEdit-14B-Diffusers) + *ChronoEdit* is a 14B image editing model based on *WAN* + this model reframes image editing as a video generation task, using input and edited images as start/end frames to leverage pretrained video models with temporal consistency + to extend temporal consistency for image editing, set *settings -> model options -> chrono temporal steps* to desired number of temporaly reasoning steps - [Kandinsky 5 Lite 10s](https://huggingface.co/ai-forever/Kandinsky-5.0-T2V-Lite-sft-10s-Diffusers') in *SFT, CFG-distilled and Steps-distilled* variants second series of models in *Kandinsky5* series is T2V model optimized for 10sec videos and uses Qwen2.5 text encoder - [Pony 7](https://huggingface.co/purplesmartai/pony-v7-base) diff --git a/cli/api-control.py b/cli/api-control.py index 4af233ae3..0e73e94be 100755 --- a/cli/api-control.py +++ b/cli/api-control.py @@ -121,6 +121,13 @@ def generate(args): # pylint: disable=redefined-outer-name options['enable_hr'] = True options['hr_force'] = True + if args.upscaler is not None: + options['enable_hr'] = True + options['hr_force'] = True + options['hr_scale'] = 2 + options['hr_resize_mode'] = 1 + options['hr_upscaler'] = args.upscaler + data = post('/sdapi/v1/control', options) t1 = time.time() if 'info' in data: @@ -162,6 +169,7 @@ if __name__ == "__main__": parser.add_argument('--ipadapter', required=False, help='ipadapter units') parser.add_argument('--detailer', required=False, default=False, action='store_true', help='force detailer') parser.add_argument('--hires', required=False, default=False, action='store_true', help='force hires') + parser.add_argument('--upscaler', required=False, default=None, help='upscaler name') args = parser.parse_args() log.info(f'api-control: {args}') generate(args) diff --git a/html/reference.json b/html/reference.json index b425e88cc..a8d628145 100644 --- a/html/reference.json +++ b/html/reference.json @@ -458,6 +458,13 @@ "size": 7.51, "date": "2024 November" }, + "nVidia ChronoEdit": { + "path": "nvidia/ChronoEdit-14B-Diffusers", + "preview": "nvidia--ChronoEdit-14B-Diffusers.jpg", + "desc": "ChronoEdit reframes image editing as a video generation task, using input and edited images as start/end frames to leverage pretrained video models with temporal consistency.", + "skip": true, + "extras": "" + }, "nVidia Cosmos-Predict2 T2I 2B": { "path": "nvidia/Cosmos-Predict2-2B-Text2Image", "desc": "Cosmos-Predict2: A family of highly performant pre-trained world foundation models purpose-built for generating physics-aware images, videos and world states for physical AI development.", diff --git a/models/Reference/nvidia--ChronoEdit-14B-Diffusers.jpg 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zB1Qi4)lD+zWIYNt5IN{Ym&xqJ*{p{%XuomxQZKybNe1@D_{4936#C_Y8GC=v5S@YZ^E>tK8VPy^3}6U1W;kd1#5l zk99Rm<(}3yb>23Dp Processed: output_images.append(script_image) infotexts.append(script_infotext) + # main processing if samples is None: from modules.processing_diffusers import process_diffusers samples = process_diffusers(p) diff --git a/modules/processing_args.py b/modules/processing_args.py index 9d11ec5b9..08f85fc94 100644 --- a/modules/processing_args.py +++ b/modules/processing_args.py @@ -138,8 +138,11 @@ def task_specific_kwargs(p, model): 'width': p.width, 'height': p.height, } - if ('WanImageToVideoPipeline' in model_cls) and (p.init_images is not None) and (len(p.init_images) > 0): - task_args['image'] = p.init_images[0] + if ('WanImageToVideoPipeline' in model_cls) or ('ChronoEditPipeline' in model_cls): + if (p.init_images is not None) and (len(p.init_images) > 0): + task_args['image'] = p.init_images[0] + else: + task_args['image'] = Image.new('RGB', (p.width, p.height), (0, 0, 0)) # monkey-patch so wan-i2i pipeline does not error-out on t2i if ('WanVACEPipeline' in model_cls) and (p.init_images is not None) and (len(p.init_images) > 0): task_args['reference_images'] = p.init_images if 'BlipDiffusionPipeline' in model_cls: diff --git a/modules/processing_diffusers.py b/modules/processing_diffusers.py index f9e8918b8..913bd2e51 100644 --- a/modules/processing_diffusers.py +++ b/modules/processing_diffusers.py @@ -223,6 +223,9 @@ def process_base(p: processing.StableDiffusionProcessing): finally: process_post(p) + if hasattr(shared.sd_model, 'postprocess') and callable(shared.sd_model.postprocess): + output = shared.sd_model.postprocess(p, output) + shared.state.end(jobid) shared.state.nextjob() return output @@ -328,6 +331,8 @@ def process_hires(p: processing.StableDiffusionProcessing, output): modelstats.analyze() finally: process_post(p) + if hasattr(shared.sd_model, 'postprocess') and callable(shared.sd_model.postprocess): + output = shared.sd_model.postprocess(p, output) if orig_image is not None: p.task_args['image'] = orig_image p.denoising_strength = orig_denoise diff --git a/modules/sd_detect.py b/modules/sd_detect.py index 17e32f894..fd38f4b69 100644 --- a/modules/sd_detect.py +++ b/modules/sd_detect.py @@ -101,6 +101,8 @@ def guess_by_name(fn, current_guess): return 'FLite' elif 'wan' in fn.lower(): return 'WanAI' + if 'chronoedit' in fn.lower(): + return 'ChronoEdit' elif 'bria' in fn.lower(): return 'Bria' elif 'qwen' in fn.lower(): @@ -210,7 +212,6 @@ def detect_pipeline(f: str, op: str = 'model'): shared.log.error(f'Load {op}: detect="{guess}" file="{f}" {e}') if pipeline is None: - shared.log.warning(f'Load {op}: detect="{guess}" file="{f}" not recognized') pipeline = diffusers.DiffusionPipeline return pipeline, guess diff --git a/modules/sd_models.py b/modules/sd_models.py index 4ee2152ac..7d52f62fe 100644 --- a/modules/sd_models.py +++ b/modules/sd_models.py @@ -48,6 +48,7 @@ pipe_switch_task_exclude = [ 'XOmniPipeline', 'HunyuanImagePipeline', 'AuraFlowPipeline', + 'ChronoEditPipeline', ] i2i_pipes = [ 'LEditsPPPipelineStableDiffusion', 'LEditsPPPipelineStableDiffusionXL', @@ -366,6 +367,10 @@ def load_diffuser_force(model_type, checkpoint_info, diffusers_load_config, op=' from pipelines.model_wanai import load_wan sd_model = load_wan(checkpoint_info, diffusers_load_config) allow_post_quant = False + elif model_type in ['ChronoEdit']: + from pipelines.model_chrono import load_chrono + sd_model = load_chrono(checkpoint_info, diffusers_load_config) + allow_post_quant = False elif model_type in ['Bria']: from pipelines.model_bria import load_bria sd_model = load_bria(checkpoint_info, diffusers_load_config) diff --git a/modules/shared.py b/modules/shared.py index 2f5b3c288..94d77bbce 100644 --- a/modules/shared.py +++ b/modules/shared.py @@ -170,6 +170,8 @@ options_templates.update(options_section(('model_options', "Model Options"), { "model_wan_sep": OptionInfo("

WanAI

", "", gr.HTML), "model_wan_stage": OptionInfo("low noise", "Processing stage", gr.Radio, {"choices": ['high noise', 'low noise', 'combined'] }), "model_wan_boundary": OptionInfo(0.85, "Stage boundary ratio", gr.Slider, {"minimum": 0, "maximum": 1.0, "step": 0.05 }), + "model_chrono_sep": OptionInfo("

ChronoEdit

", "", gr.HTML), + "model_chrono_temporal_steps": OptionInfo(0, "Temporal steps", gr.Slider, {"minimum": 0, "maximum": 50, "step": 1 }), })) options_templates.update(options_section(('offload', "Model Offloading"), { diff --git a/modules/shared_items.py b/modules/shared_items.py index a7d77d641..5bd75ce30 100644 --- a/modules/shared_items.py +++ b/modules/shared_items.py @@ -47,7 +47,7 @@ pipelines = { 'WanAI': getattr(diffusers, 'WanPipeline', None), 'Qwen': getattr(diffusers, 'QwenImagePipeline', None), 'HunyuanImage': getattr(diffusers, 'HunyuanImagePipeline', None), - + 'ChronoEdit': getattr(diffusers, 'WanImageToVideoPipeline', None), # dynamically imported and redefined later 'Meissonic': getattr(diffusers, 'DiffusionPipeline', None), 'Monetico': getattr(diffusers, 'DiffusionPipeline', None), diff --git a/pipelines/chrono/__init__.py b/pipelines/chrono/__init__.py new file mode 100644 index 000000000..e69de29bb diff --git a/pipelines/chrono/pipeline_chronoedit.py b/pipelines/chrono/pipeline_chronoedit.py new file mode 100644 index 000000000..de439a359 --- /dev/null +++ b/pipelines/chrono/pipeline_chronoedit.py @@ -0,0 +1,764 @@ +# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved. +# SPDX-License-Identifier: Apache-2.0 +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import html +from typing import Any, Callable, Dict, List, Optional, Tuple, Union + +import PIL +import regex as re +import torch +from transformers import AutoTokenizer, CLIPImageProcessor, CLIPVisionModel, UMT5EncoderModel + +from diffusers.callbacks import MultiPipelineCallbacks, PipelineCallback +from diffusers.image_processor import PipelineImageInput +from diffusers.loaders import WanLoraLoaderMixin +from diffusers.models import AutoencoderKLWan, WanTransformer3DModel +from diffusers.schedulers import FlowMatchEulerDiscreteScheduler +from diffusers.utils import is_ftfy_available, is_torch_xla_available, logging, replace_example_docstring +from diffusers.utils.torch_utils import randn_tensor +from diffusers.video_processor import VideoProcessor +from diffusers.pipelines.pipeline_utils import DiffusionPipeline +from diffusers.pipelines.wan.pipeline_output import WanPipelineOutput +from .transformer_chronoedit import ChronoEditTransformer3DModel + + +if is_torch_xla_available(): + import torch_xla.core.xla_model as xm + + XLA_AVAILABLE = True +else: + XLA_AVAILABLE = False + +logger = logging.get_logger(__name__) # pylint: disable=invalid-name + +if is_ftfy_available(): + import ftfy + +EXAMPLE_DOC_STRING = """ + Examples: + ```python + >>> import torch + >>> import numpy as np + >>> from diffusers import AutoencoderKLWan, WanImageToVideoPipeline + >>> from diffusers.utils import export_to_video, load_image + >>> from transformers import CLIPVisionModel + + >>> # Available models: Wan-AI/Wan2.1-I2V-14B-480P-Diffusers, Wan-AI/Wan2.1-I2V-14B-720P-Diffusers + >>> model_id = "Wan-AI/Wan2.1-I2V-14B-480P-Diffusers" + >>> image_encoder = CLIPVisionModel.from_pretrained( + ... model_id, subfolder="image_encoder", torch_dtype=torch.float32 + ... ) + >>> vae = AutoencoderKLWan.from_pretrained(model_id, subfolder="vae", torch_dtype=torch.float32) + >>> pipe = WanImageToVideoPipeline.from_pretrained( + ... model_id, vae=vae, image_encoder=image_encoder, torch_dtype=torch.bfloat16 + ... ) + >>> pipe.to("cuda") + + >>> image = load_image( + ... "https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/diffusers/astronaut.jpg" + ... ) + >>> max_area = 480 * 832 + >>> aspect_ratio = image.height / image.width + >>> mod_value = pipe.vae_scale_factor_spatial * pipe.transformer.config.patch_size[1] + >>> height = round(np.sqrt(max_area * aspect_ratio)) // mod_value * mod_value + >>> width = round(np.sqrt(max_area / aspect_ratio)) // mod_value * mod_value + >>> image = image.resize((width, height)) + >>> prompt = ( + ... "An astronaut hatching from an egg, on the surface of the moon, the darkness and depth of space realised in " + ... "the background. High quality, ultrarealistic detail and breath-taking movie-like camera shot." + ... ) + >>> negative_prompt = "Bright tones, overexposed, static, blurred details, subtitles, style, works, paintings, images, static, overall gray, worst quality, low quality, JPEG compression residue, ugly, incomplete, extra fingers, poorly drawn hands, poorly drawn faces, deformed, disfigured, misshapen limbs, fused fingers, still picture, messy background, three legs, many people in the background, walking backwards" + + >>> output = pipe( + ... image=image, + ... prompt=prompt, + ... negative_prompt=negative_prompt, + ... height=height, + ... width=width, + ... num_frames=81, + ... guidance_scale=5.0, + ... ).frames[0] + >>> export_to_video(output, "output.mp4", fps=16) + ``` +""" + + +def basic_clean(text): + text = ftfy.fix_text(text) + text = html.unescape(html.unescape(text)) + return text.strip() + + +def whitespace_clean(text): + text = re.sub(r"\s+", " ", text) + text = text.strip() + return text + + +def prompt_clean(text): + text = whitespace_clean(basic_clean(text)) + return text + + +# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion_img2img.retrieve_latents +def retrieve_latents( + encoder_output: torch.Tensor, generator: Optional[torch.Generator] = None, sample_mode: str = "sample" +): + if hasattr(encoder_output, "latent_dist") and sample_mode == "sample": + return encoder_output.latent_dist.sample(generator) + elif hasattr(encoder_output, "latent_dist") and sample_mode == "argmax": + return encoder_output.latent_dist.mode() + elif hasattr(encoder_output, "latents"): + return encoder_output.latents + else: + raise AttributeError("Could not access latents of provided encoder_output") + + +class ChronoEditPipeline(DiffusionPipeline, WanLoraLoaderMixin): + r""" + Pipeline for image-to-video generation using Wan. + + This model inherits from [`DiffusionPipeline`]. Check the superclass documentation for the generic methods + implemented for all pipelines (downloading, saving, running on a particular device, etc.). + + Args: + tokenizer ([`T5Tokenizer`]): + Tokenizer from [T5](https://huggingface.co/docs/transformers/en/model_doc/t5#transformers.T5Tokenizer), + specifically the [google/umt5-xxl](https://huggingface.co/google/umt5-xxl) variant. + text_encoder ([`T5EncoderModel`]): + [T5](https://huggingface.co/docs/transformers/en/model_doc/t5#transformers.T5EncoderModel), specifically + the [google/umt5-xxl](https://huggingface.co/google/umt5-xxl) variant. + image_encoder ([`CLIPVisionModel`]): + [CLIP](https://huggingface.co/docs/transformers/model_doc/clip#transformers.CLIPVisionModel), specifically + the + [clip-vit-huge-patch14](https://github.com/mlfoundations/open_clip/blob/main/docs/PRETRAINED.md#vit-h14-xlm-roberta-large) + variant. + transformer ([`WanTransformer3DModel`]): + Conditional Transformer to denoise the input latents. + scheduler ([`UniPCMultistepScheduler`]): + A scheduler to be used in combination with `transformer` to denoise the encoded image latents. + vae ([`AutoencoderKLWan`]): + Variational Auto-Encoder (VAE) Model to encode and decode videos to and from latent representations. + """ + + model_cpu_offload_seq = "text_encoder->image_encoder->transformer->vae" + _callback_tensor_inputs = ["latents", "prompt_embeds", "negative_prompt_embeds"] + + def __init__( + self, + tokenizer: AutoTokenizer, + text_encoder: UMT5EncoderModel, + image_encoder: CLIPVisionModel, + image_processor: CLIPImageProcessor, + transformer: ChronoEditTransformer3DModel, + vae: AutoencoderKLWan, + scheduler: FlowMatchEulerDiscreteScheduler, + ): + super().__init__() + + self.register_modules( + vae=vae, + text_encoder=text_encoder, + tokenizer=tokenizer, + image_encoder=image_encoder, + transformer=transformer, + scheduler=scheduler, + image_processor=image_processor, + ) + + self.vae_scale_factor_temporal = 2 ** sum(self.vae.temperal_downsample) if getattr(self, "vae", None) else 4 + self.vae_scale_factor_spatial = 2 ** len(self.vae.temperal_downsample) if getattr(self, "vae", None) else 8 + self.video_processor = VideoProcessor(vae_scale_factor=self.vae_scale_factor_spatial) + self.image_processor = image_processor + + def _get_t5_prompt_embeds( + self, + prompt: Union[str, List[str]] = None, + num_videos_per_prompt: int = 1, + max_sequence_length: int = 512, + device: Optional[torch.device] = None, + dtype: Optional[torch.dtype] = None, + ): + device = device or self._execution_device + dtype = dtype or self.text_encoder.dtype + + prompt = [prompt] if isinstance(prompt, str) else prompt + prompt = [prompt_clean(u) for u in prompt] + batch_size = len(prompt) + + text_inputs = self.tokenizer( + prompt, + padding="max_length", + max_length=max_sequence_length, + truncation=True, + add_special_tokens=True, + return_attention_mask=True, + return_tensors="pt", + ) + text_input_ids, mask = text_inputs.input_ids, text_inputs.attention_mask + seq_lens = mask.gt(0).sum(dim=1).long() + + prompt_embeds = self.text_encoder(text_input_ids.to(device), mask.to(device)).last_hidden_state + prompt_embeds = prompt_embeds.to(dtype=dtype, device=device) + prompt_embeds = [u[:v] for u, v in zip(prompt_embeds, seq_lens)] + prompt_embeds = torch.stack( + [torch.cat([u, u.new_zeros(max_sequence_length - u.size(0), u.size(1))]) for u in prompt_embeds], dim=0 + ) + + # duplicate text embeddings for each generation per prompt, using mps friendly method + _, seq_len, _ = prompt_embeds.shape + prompt_embeds = prompt_embeds.repeat(1, num_videos_per_prompt, 1) + prompt_embeds = prompt_embeds.view(batch_size * num_videos_per_prompt, seq_len, -1) + + return prompt_embeds + + def encode_image( + self, + image: PipelineImageInput, + device: Optional[torch.device] = None, + ): + device = device or self._execution_device + image = self.image_processor(images=image, return_tensors="pt").to(device) + image_embeds = self.image_encoder(**image, output_hidden_states=True) + return image_embeds.hidden_states[-2] + + # Copied from diffusers.pipelines.wan.pipeline_wan.WanPipeline.encode_prompt + def encode_prompt( + self, + prompt: Union[str, List[str]], + negative_prompt: Optional[Union[str, List[str]]] = None, + do_classifier_free_guidance: bool = True, + num_videos_per_prompt: int = 1, + prompt_embeds: Optional[torch.Tensor] = None, + negative_prompt_embeds: Optional[torch.Tensor] = None, + max_sequence_length: int = 226, + device: Optional[torch.device] = None, + dtype: Optional[torch.dtype] = None, + ): + r""" + Encodes the prompt into text encoder hidden states. + + Args: + prompt (`str` or `List[str]`, *optional*): + prompt to be encoded + negative_prompt (`str` or `List[str]`, *optional*): + The prompt or prompts not to guide the image generation. If not defined, one has to pass + `negative_prompt_embeds` instead. Ignored when not using guidance (i.e., ignored if `guidance_scale` is + less than `1`). + do_classifier_free_guidance (`bool`, *optional*, defaults to `True`): + Whether to use classifier free guidance or not. + num_videos_per_prompt (`int`, *optional*, defaults to 1): + Number of videos that should be generated per prompt. torch device to place the resulting embeddings on + prompt_embeds (`torch.Tensor`, *optional*): + Pre-generated text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt weighting. If not + provided, text embeddings will be generated from `prompt` input argument. + negative_prompt_embeds (`torch.Tensor`, *optional*): + Pre-generated negative text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt + weighting. If not provided, negative_prompt_embeds will be generated from `negative_prompt` input + argument. + device: (`torch.device`, *optional*): + torch device + dtype: (`torch.dtype`, *optional*): + torch dtype + """ + device = device or self._execution_device + + prompt = [prompt] if isinstance(prompt, str) else prompt + if prompt is not None: + batch_size = len(prompt) + else: + batch_size = prompt_embeds.shape[0] + + if prompt_embeds is None: + prompt_embeds = self._get_t5_prompt_embeds( + prompt=prompt, + num_videos_per_prompt=num_videos_per_prompt, + max_sequence_length=max_sequence_length, + device=device, + dtype=dtype, + ) + + if do_classifier_free_guidance and negative_prompt_embeds is None: + negative_prompt = negative_prompt or "" + negative_prompt = batch_size * [negative_prompt] if isinstance(negative_prompt, str) else negative_prompt + + if prompt is not None and type(prompt) is not type(negative_prompt): + raise TypeError( + f"`negative_prompt` should be the same type to `prompt`, but got {type(negative_prompt)} !=" + f" {type(prompt)}." + ) + elif batch_size != len(negative_prompt): + raise ValueError( + f"`negative_prompt`: {negative_prompt} has batch size {len(negative_prompt)}, but `prompt`:" + f" {prompt} has batch size {batch_size}. Please make sure that passed `negative_prompt` matches" + " the batch size of `prompt`." + ) + + negative_prompt_embeds = self._get_t5_prompt_embeds( + prompt=negative_prompt, + num_videos_per_prompt=num_videos_per_prompt, + max_sequence_length=max_sequence_length, + device=device, + dtype=dtype, + ) + + return prompt_embeds, negative_prompt_embeds + + def check_inputs( + self, + prompt, + negative_prompt, + image, + height, + width, + prompt_embeds=None, + negative_prompt_embeds=None, + image_embeds=None, + callback_on_step_end_tensor_inputs=None, + ): + if image is not None and image_embeds is not None: + raise ValueError( + f"Cannot forward both `image`: {image} and `image_embeds`: {image_embeds}. Please make sure to" + " only forward one of the two." + ) + if image is None and image_embeds is None: + raise ValueError( + "Provide either `image` or `prompt_embeds`. Cannot leave both `image` and `image_embeds` undefined." + ) + if image is not None and not isinstance(image, torch.Tensor) and not isinstance(image, PIL.Image.Image): + raise ValueError(f"`image` has to be of type `torch.Tensor` or `PIL.Image.Image` but is {type(image)}") + if height % 16 != 0 or width % 16 != 0: + raise ValueError(f"`height` and `width` have to be divisible by 16 but are {height} and {width}.") + + if callback_on_step_end_tensor_inputs is not None and not all( + k in self._callback_tensor_inputs for k in callback_on_step_end_tensor_inputs + ): + raise ValueError( + f"`callback_on_step_end_tensor_inputs` has to be in {self._callback_tensor_inputs}, but found {[k for k in callback_on_step_end_tensor_inputs if k not in self._callback_tensor_inputs]}" + ) + + if prompt is not None and prompt_embeds is not None: + raise ValueError( + f"Cannot forward both `prompt`: {prompt} and `prompt_embeds`: {prompt_embeds}. Please make sure to" + " only forward one of the two." + ) + elif negative_prompt is not None and negative_prompt_embeds is not None: + raise ValueError( + f"Cannot forward both `negative_prompt`: {negative_prompt} and `negative_prompt_embeds`: {negative_prompt_embeds}. Please make sure to" + " only forward one of the two." + ) + elif prompt is None and prompt_embeds is None: + raise ValueError( + "Provide either `prompt` or `prompt_embeds`. Cannot leave both `prompt` and `prompt_embeds` undefined." + ) + elif prompt is not None and (not isinstance(prompt, str) and not isinstance(prompt, list)): + raise ValueError(f"`prompt` has to be of type `str` or `list` but is {type(prompt)}") + elif negative_prompt is not None and ( + not isinstance(negative_prompt, str) and not isinstance(negative_prompt, list) + ): + raise ValueError(f"`negative_prompt` has to be of type `str` or `list` but is {type(negative_prompt)}") + + def prepare_latents( + self, + image: PipelineImageInput, + batch_size: int, + num_channels_latents: int = 16, + height: int = 480, + width: int = 832, + num_frames: int = 81, + dtype: Optional[torch.dtype] = None, + device: Optional[torch.device] = None, + generator: Optional[Union[torch.Generator, List[torch.Generator]]] = None, + latents: Optional[torch.Tensor] = None, + ) -> Tuple[torch.Tensor, torch.Tensor]: + num_latent_frames = (num_frames - 1) // self.vae_scale_factor_temporal + 1 + latent_height = height // self.vae_scale_factor_spatial + latent_width = width // self.vae_scale_factor_spatial + + shape = (batch_size, num_channels_latents, num_latent_frames, latent_height, latent_width) + if isinstance(generator, list) and len(generator) != batch_size: + raise ValueError( + f"You have passed a list of generators of length {len(generator)}, but requested an effective batch" + f" size of {batch_size}. Make sure the batch size matches the length of the generators." + ) + + if latents is None: + latents = randn_tensor(shape, generator=generator, device=device, dtype=dtype) + else: + latents = latents.to(device=device, dtype=dtype) + + image = image.unsqueeze(2) + video_condition = torch.cat( + [image, image.new_zeros(image.shape[0], image.shape[1], num_frames - 1, height, width)], dim=2 + ) + video_condition = video_condition.to(device=device, dtype=dtype) + + latents_mean = ( + torch.tensor(self.vae.config.latents_mean) + .view(1, self.vae.config.z_dim, 1, 1, 1) + .to(latents.device, latents.dtype) + ) + latents_std = 1.0 / torch.tensor(self.vae.config.latents_std).view(1, self.vae.config.z_dim, 1, 1, 1).to( + latents.device, latents.dtype + ) + + if isinstance(generator, list): + latent_condition = [ + retrieve_latents(self.vae.encode(video_condition), sample_mode="argmax") for _ in generator + ] + latent_condition = torch.cat(latent_condition) + else: + latent_condition = retrieve_latents(self.vae.encode(video_condition), sample_mode="argmax") + latent_condition = latent_condition.repeat(batch_size, 1, 1, 1, 1) + + latent_condition = (latent_condition - latents_mean) * latents_std + + mask_lat_size = torch.ones(batch_size, 1, num_frames, latent_height, latent_width) + mask_lat_size[:, :, list(range(1, num_frames))] = 0 + first_frame_mask = mask_lat_size[:, :, 0:1] + first_frame_mask = torch.repeat_interleave(first_frame_mask, dim=2, repeats=self.vae_scale_factor_temporal) + mask_lat_size = torch.concat([first_frame_mask, mask_lat_size[:, :, 1:, :]], dim=2) + mask_lat_size = mask_lat_size.view(batch_size, -1, self.vae_scale_factor_temporal, latent_height, latent_width) + mask_lat_size = mask_lat_size.transpose(1, 2) + mask_lat_size = mask_lat_size.to(latent_condition.device) + + return latents, torch.concat([mask_lat_size, latent_condition], dim=1) + + @property + def guidance_scale(self): + return self._guidance_scale + + @property + def do_classifier_free_guidance(self): + return self._guidance_scale > 1 + + @property + def num_timesteps(self): + return self._num_timesteps + + @property + def current_timestep(self): + return self._current_timestep + + @property + def interrupt(self): + return self._interrupt + + @property + def attention_kwargs(self): + return self._attention_kwargs + + @torch.no_grad() + @replace_example_docstring(EXAMPLE_DOC_STRING) + def __call__( + self, + image: PipelineImageInput, + prompt: Union[str, List[str]] = None, + negative_prompt: Union[str, List[str]] = None, + height: int = 480, + width: int = 832, + num_frames: int = 81, + num_inference_steps: int = 50, + guidance_scale: float = 5.0, + num_videos_per_prompt: Optional[int] = 1, + generator: Optional[Union[torch.Generator, List[torch.Generator]]] = None, + latents: Optional[torch.Tensor] = None, + prompt_embeds: Optional[torch.Tensor] = None, + negative_prompt_embeds: Optional[torch.Tensor] = None, + image_embeds: Optional[torch.Tensor] = None, + output_type: Optional[str] = "np", + return_dict: bool = True, + attention_kwargs: Optional[Dict[str, Any]] = None, + callback_on_step_end: Optional[ + Union[Callable[[int, int, Dict], None], PipelineCallback, MultiPipelineCallbacks] + ] = None, + callback_on_step_end_tensor_inputs: List[str] = ["latents"], + max_sequence_length: int = 512, + enable_temporal_reasoning: bool = False, + num_temporal_reasoning_steps: int = 0, + offload_model: bool=False + ): + r""" + The call function to the pipeline for generation. + + Args: + image (`PipelineImageInput`): + The input image to condition the generation on. Must be an image, a list of images or a `torch.Tensor`. + prompt (`str` or `List[str]`, *optional*): + The prompt or prompts to guide the image generation. If not defined, one has to pass `prompt_embeds`. + instead. + negative_prompt (`str` or `List[str]`, *optional*): + The prompt or prompts not to guide the image generation. If not defined, one has to pass + `negative_prompt_embeds` instead. Ignored when not using guidance (i.e., ignored if `guidance_scale` is + less than `1`). + height (`int`, defaults to `480`): + The height of the generated video. + width (`int`, defaults to `832`): + The width of the generated video. + num_frames (`int`, defaults to `81`): + The number of frames in the generated video. + num_inference_steps (`int`, defaults to `50`): + The number of denoising steps. More denoising steps usually lead to a higher quality image at the + expense of slower inference. + guidance_scale (`float`, defaults to `5.0`): + Guidance scale as defined in [Classifier-Free Diffusion Guidance](https://arxiv.org/abs/2207.12598). + `guidance_scale` is defined as `w` of equation 2. of [Imagen + Paper](https://arxiv.org/pdf/2205.11487.pdf). Guidance scale is enabled by setting `guidance_scale > + 1`. Higher guidance scale encourages to generate images that are closely linked to the text `prompt`, + usually at the expense of lower image quality. + num_videos_per_prompt (`int`, *optional*, defaults to 1): + The number of images to generate per prompt. + generator (`torch.Generator` or `List[torch.Generator]`, *optional*): + A [`torch.Generator`](https://pytorch.org/docs/stable/generated/torch.Generator.html) to make + generation deterministic. + latents (`torch.Tensor`, *optional*): + Pre-generated noisy latents sampled from a Gaussian distribution, to be used as inputs for image + generation. Can be used to tweak the same generation with different prompts. If not provided, a latents + tensor is generated by sampling using the supplied random `generator`. + prompt_embeds (`torch.Tensor`, *optional*): + Pre-generated text embeddings. Can be used to easily tweak text inputs (prompt weighting). If not + provided, text embeddings are generated from the `prompt` input argument. + negative_prompt_embeds (`torch.Tensor`, *optional*): + Pre-generated text embeddings. Can be used to easily tweak text inputs (prompt weighting). If not + provided, text embeddings are generated from the `negative_prompt` input argument. + image_embeds (`torch.Tensor`, *optional*): + Pre-generated image embeddings. Can be used to easily tweak image inputs (weighting). If not provided, + image embeddings are generated from the `image` input argument. + output_type (`str`, *optional*, defaults to `"pil"`): + The output format of the generated image. Choose between `PIL.Image` or `np.array`. + return_dict (`bool`, *optional*, defaults to `True`): + Whether or not to return a [`WanPipelineOutput`] instead of a plain tuple. + attention_kwargs (`dict`, *optional*): + A kwargs dictionary that if specified is passed along to the `AttentionProcessor` as defined under + `self.processor` in + [diffusers.models.attention_processor](https://github.com/huggingface/diffusers/blob/main/src/diffusers/models/attention_processor.py). + callback_on_step_end (`Callable`, `PipelineCallback`, `MultiPipelineCallbacks`, *optional*): + A function or a subclass of `PipelineCallback` or `MultiPipelineCallbacks` that is called at the end of + each denoising step during the inference. with the following arguments: `callback_on_step_end(self: + DiffusionPipeline, step: int, timestep: int, callback_kwargs: Dict)`. `callback_kwargs` will include a + list of all tensors as specified by `callback_on_step_end_tensor_inputs`. + callback_on_step_end_tensor_inputs (`List`, *optional*): + The list of tensor inputs for the `callback_on_step_end` function. The tensors specified in the list + will be passed as `callback_kwargs` argument. You will only be able to include variables listed in the + `._callback_tensor_inputs` attribute of your pipeline class. + max_sequence_length (`int`, *optional*, defaults to `512`): + The maximum sequence length of the prompt. + shift (`float`, *optional*, defaults to `5.0`): + The shift of the flow. + autocast_dtype (`torch.dtype`, *optional*, defaults to `torch.bfloat16`): + The dtype to use for the torch.amp.autocast. + Examples: + + Returns: + [`~WanPipelineOutput`] or `tuple`: + If `return_dict` is `True`, [`WanPipelineOutput`] is returned, otherwise a `tuple` is returned where + the first element is a list with the generated images and the second element is a list of `bool`s + indicating whether the corresponding generated image contains "not-safe-for-work" (nsfw) content. + """ + + if isinstance(callback_on_step_end, (PipelineCallback, MultiPipelineCallbacks)): + callback_on_step_end_tensor_inputs = callback_on_step_end.tensor_inputs + + # 1. Check inputs. Raise error if not correct + self.check_inputs( + prompt, + negative_prompt, + image, + height, + width, + prompt_embeds, + negative_prompt_embeds, + image_embeds, + callback_on_step_end_tensor_inputs, + ) + + if num_frames % self.vae_scale_factor_temporal != 1: + logger.warning( + f"`num_frames - 1` has to be divisible by {self.vae_scale_factor_temporal}. Rounding to the nearest number." + ) + num_frames = num_frames // self.vae_scale_factor_temporal * self.vae_scale_factor_temporal + 1 + num_frames = max(num_frames, 1) + + self._guidance_scale = guidance_scale + self._attention_kwargs = attention_kwargs + self._current_timestep = None + self._interrupt = False + + device = self._execution_device + + # 2. Define call parameters + if prompt is not None and isinstance(prompt, str): + batch_size = 1 + elif prompt is not None and isinstance(prompt, list): + batch_size = len(prompt) + else: + batch_size = prompt_embeds.shape[0] + + # 3. Encode input prompt + prompt_embeds, negative_prompt_embeds = self.encode_prompt( + prompt=prompt, + negative_prompt=negative_prompt, + do_classifier_free_guidance=self.do_classifier_free_guidance, + num_videos_per_prompt=num_videos_per_prompt, + prompt_embeds=prompt_embeds, + negative_prompt_embeds=negative_prompt_embeds, + max_sequence_length=max_sequence_length, + device=device, + ) + if offload_model: + self.text_encoder.cpu() + # Encode image embedding + transformer_dtype = self.transformer.dtype + prompt_embeds = prompt_embeds.to(transformer_dtype) + if negative_prompt_embeds is not None: + negative_prompt_embeds = negative_prompt_embeds.to(transformer_dtype) + + if image_embeds is None: + image_embeds = self.encode_image(image, device) + image_embeds = image_embeds.repeat(batch_size, 1, 1) + image_embeds = image_embeds.to(transformer_dtype) + + if offload_model: + self.image_encoder.cpu() + + + # 4. Prepare timesteps + self.scheduler.set_timesteps(num_inference_steps, device=device) + timesteps = self.scheduler.timesteps + + # 5. Prepare latent variables + num_channels_latents = self.vae.config.z_dim + image = self.video_processor.preprocess(image, height=height, width=width).to(device, dtype=torch.bfloat16) + latents, condition = self.prepare_latents( + image, + batch_size * num_videos_per_prompt, + num_channels_latents, + height, + width, + num_frames, + torch.bfloat16, + device, + generator, + latents, + ) + + # 6. Denoising loop + num_warmup_steps = len(timesteps) - num_inference_steps * self.scheduler.order + self._num_timesteps = len(timesteps) + + if offload_model: + torch.cuda.empty_cache() + + with self.progress_bar(total=num_inference_steps) as progress_bar: + for i, t in enumerate(timesteps): + + if self.interrupt: + continue + + if enable_temporal_reasoning and i == num_temporal_reasoning_steps: + latents = latents[:, :, [0, -1]] + condition = condition[:, :, [0, -1]] + + for j in range(len(self.scheduler.model_outputs)): + if self.scheduler.model_outputs[j] is not None: + if latents.shape[-3] != self.scheduler.model_outputs[j].shape[-3]: + self.scheduler.model_outputs[j] = self.scheduler.model_outputs[j][:,:,[0, -1]] + if self.scheduler.last_sample is not None: + self.scheduler.last_sample = self.scheduler.last_sample[:, :, [0, -1]] + + self._current_timestep = t + latent_model_input = torch.cat([latents, condition], dim=1).to(transformer_dtype) + timestep = t.expand(latents.shape[0]) + + noise_pred = self.transformer( + hidden_states=latent_model_input, + timestep=timestep, + encoder_hidden_states=prompt_embeds, + encoder_hidden_states_image=image_embeds, + attention_kwargs=attention_kwargs, + return_dict=False, + )[0] + + if offload_model: + torch.cuda.empty_cache() + + if self.do_classifier_free_guidance: + noise_uncond = self.transformer( + hidden_states=latent_model_input, + timestep=timestep, + encoder_hidden_states=negative_prompt_embeds, + encoder_hidden_states_image=image_embeds, + attention_kwargs=attention_kwargs, + return_dict=False, + )[0] + noise_pred = noise_uncond + guidance_scale * (noise_pred - noise_uncond) + + # compute the previous noisy sample x_t -> x_t-1 + latents = self.scheduler.step(noise_pred, t, latents, return_dict=False)[0] + + if callback_on_step_end is not None: + callback_kwargs = {} + for k in callback_on_step_end_tensor_inputs: + callback_kwargs[k] = locals()[k] + callback_outputs = callback_on_step_end(self, i, t, callback_kwargs) + + latents = callback_outputs.pop("latents", latents) + prompt_embeds = callback_outputs.pop("prompt_embeds", prompt_embeds) + negative_prompt_embeds = callback_outputs.pop("negative_prompt_embeds", negative_prompt_embeds) + + # call the callback, if provided + if i == len(timesteps) - 1 or ((i + 1) > num_warmup_steps and (i + 1) % self.scheduler.order == 0): + progress_bar.update() + + if XLA_AVAILABLE: + xm.mark_step() + + if offload_model: + self.transformer.cpu() + torch.cuda.empty_cache() + + self._current_timestep = None + + if not output_type == "latent": + latents = latents.to(self.vae.dtype) + latents_mean = ( + torch.tensor(self.vae.config.latents_mean) + .view(1, self.vae.config.z_dim, 1, 1, 1) + .to(latents.device, latents.dtype) + ) + latents_std = 1.0 / torch.tensor(self.vae.config.latents_std).view(1, self.vae.config.z_dim, 1, 1, 1).to( + latents.device, latents.dtype + ) + latents = latents / latents_std + latents_mean + + if enable_temporal_reasoning and num_temporal_reasoning_steps > 0: + video_edit = self.vae.decode(latents[:, :, [0, -1]], return_dict=False)[0] + video_reason = self.vae.decode(latents[:, :, :-1], return_dict=False)[0] + video = torch.cat([video_reason, video_edit[:, :, 1:]], dim=2) + else: + video = self.vae.decode(latents, return_dict=False)[0] + + # video = self.vae.decode(latents, return_dict=False)[0] + video = self.video_processor.postprocess_video(video, output_type=output_type) + else: + video = latents + + # Offload all models + self.maybe_free_model_hooks() + + if not return_dict: + return (video,) + + return WanPipelineOutput(frames=video) \ No newline at end of file diff --git a/pipelines/chrono/transformer_chronoedit.py b/pipelines/chrono/transformer_chronoedit.py new file mode 100644 index 000000000..d740b3f66 --- /dev/null +++ b/pipelines/chrono/transformer_chronoedit.py @@ -0,0 +1,476 @@ +# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved. +# SPDX-License-Identifier: Apache-2.0 +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import math +from typing import Any, Dict, Optional, Tuple, Union + +import torch +import torch.nn as nn +import torch.nn.functional as F + +from diffusers.configuration_utils import ConfigMixin, register_to_config +from diffusers.loaders import FromOriginalModelMixin, PeftAdapterMixin +from diffusers.utils import USE_PEFT_BACKEND, logging, scale_lora_layers, unscale_lora_layers +from diffusers.models.attention import FeedForward +from diffusers.models.attention_processor import Attention +from diffusers.models.cache_utils import CacheMixin +from diffusers.models.embeddings import PixArtAlphaTextProjection, TimestepEmbedding, Timesteps, get_1d_rotary_pos_embed +from diffusers.models.modeling_outputs import Transformer2DModelOutput +from diffusers.models.modeling_utils import ModelMixin +from diffusers.models.normalization import FP32LayerNorm + + +logger = logging.get_logger(__name__) # pylint: disable=invalid-name + + +class ChronoEditAttnProcessor2_0: + def __init__(self): + if not hasattr(F, "scaled_dot_product_attention"): + raise ImportError("ChronoEditAttnProcessor2_0 requires PyTorch 2.0. To use it, please upgrade PyTorch to 2.0.") + + def __call__( + self, + attn: Attention, + hidden_states: torch.Tensor, + encoder_hidden_states: Optional[torch.Tensor] = None, + attention_mask: Optional[torch.Tensor] = None, + rotary_emb: Optional[torch.Tensor] = None, + ) -> torch.Tensor: + encoder_hidden_states_img = None + if attn.add_k_proj is not None: + encoder_hidden_states_img = encoder_hidden_states[:, :257] + encoder_hidden_states = encoder_hidden_states[:, 257:] + if encoder_hidden_states is None: + encoder_hidden_states = hidden_states + + query = attn.to_q(hidden_states) + key = attn.to_k(encoder_hidden_states) + value = attn.to_v(encoder_hidden_states) + + if attn.norm_q is not None: + query = attn.norm_q(query) + if attn.norm_k is not None: + key = attn.norm_k(key) + + query = query.unflatten(2, (attn.heads, -1)).transpose(1, 2) + key = key.unflatten(2, (attn.heads, -1)).transpose(1, 2) + value = value.unflatten(2, (attn.heads, -1)).transpose(1, 2) + + if rotary_emb is not None: + + def apply_rotary_emb(hidden_states: torch.Tensor, freqs: torch.Tensor): + x_rotated = torch.view_as_complex(hidden_states.to(torch.float64).unflatten(3, (-1, 2))) + x_out = torch.view_as_real(x_rotated * freqs).flatten(3, 4) + return x_out.type_as(hidden_states) + + query = apply_rotary_emb(query, rotary_emb) + key = apply_rotary_emb(key, rotary_emb) + + # I2V task + hidden_states_img = None + if encoder_hidden_states_img is not None: + key_img = attn.add_k_proj(encoder_hidden_states_img) + key_img = attn.norm_added_k(key_img) + value_img = attn.add_v_proj(encoder_hidden_states_img) + + key_img = key_img.unflatten(2, (attn.heads, -1)).transpose(1, 2) + value_img = value_img.unflatten(2, (attn.heads, -1)).transpose(1, 2) + + hidden_states_img = F.scaled_dot_product_attention( + query, key_img, value_img, attn_mask=None, dropout_p=0.0, is_causal=False + ) + hidden_states_img = hidden_states_img.transpose(1, 2).flatten(2, 3) + hidden_states_img = hidden_states_img.type_as(query) + + hidden_states = F.scaled_dot_product_attention( + query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False + ) + hidden_states = hidden_states.transpose(1, 2).flatten(2, 3) + hidden_states = hidden_states.type_as(query) + + if hidden_states_img is not None: + hidden_states = hidden_states + hidden_states_img + + hidden_states = attn.to_out[0](hidden_states) + hidden_states = attn.to_out[1](hidden_states) + return hidden_states + + +class ChronoEditImageEmbedding(torch.nn.Module): + def __init__(self, in_features: int, out_features: int): + super().__init__() + + self.norm1 = FP32LayerNorm(in_features) + self.ff = FeedForward(in_features, out_features, mult=1, activation_fn="gelu") + self.norm2 = FP32LayerNorm(out_features) + + def forward(self, encoder_hidden_states_image: torch.Tensor) -> torch.Tensor: + hidden_states = self.norm1(encoder_hidden_states_image) + hidden_states = self.ff(hidden_states) + hidden_states = self.norm2(hidden_states) + return hidden_states + + +class ChronoEditTimeTextImageEmbedding(nn.Module): + def __init__( + self, + dim: int, + time_freq_dim: int, + time_proj_dim: int, + text_embed_dim: int, + image_embed_dim: Optional[int] = None, + ): + super().__init__() + + self.timesteps_proj = Timesteps(num_channels=time_freq_dim, flip_sin_to_cos=True, downscale_freq_shift=0) + self.time_embedder = TimestepEmbedding(in_channels=time_freq_dim, time_embed_dim=dim) + self.act_fn = nn.SiLU() + self.time_proj = nn.Linear(dim, time_proj_dim) + self.text_embedder = PixArtAlphaTextProjection(text_embed_dim, dim, act_fn="gelu_tanh") + + self.image_embedder = None + if image_embed_dim is not None: + self.image_embedder = ChronoEditImageEmbedding(image_embed_dim, dim) + + def forward( + self, + timestep: torch.Tensor, + encoder_hidden_states: torch.Tensor, + encoder_hidden_states_image: Optional[torch.Tensor] = None, + ): + timestep = self.timesteps_proj(timestep) + + time_embedder_dtype = next(iter(self.time_embedder.parameters())).dtype + if timestep.dtype != time_embedder_dtype and time_embedder_dtype != torch.int8: + timestep = timestep.to(time_embedder_dtype) + temb = self.time_embedder(timestep).type_as(encoder_hidden_states) + timestep_proj = self.time_proj(self.act_fn(temb)) + + encoder_hidden_states = self.text_embedder(encoder_hidden_states) + if encoder_hidden_states_image is not None: + encoder_hidden_states_image = self.image_embedder(encoder_hidden_states_image) + + return temb, timestep_proj, encoder_hidden_states, encoder_hidden_states_image + + +class ChronoEditRotaryPosEmbed(nn.Module): + def __init__( + self, attention_head_dim: int, patch_size: Tuple[int, int, int], max_seq_len: int, theta: float = 10000.0, temporal_skip_len: int = 8 + ): + super().__init__() + + self.attention_head_dim = attention_head_dim + self.patch_size = patch_size + self.max_seq_len = max_seq_len + self.temporal_skip_len = temporal_skip_len + + h_dim = w_dim = 2 * (attention_head_dim // 6) + t_dim = attention_head_dim - h_dim - w_dim + + freqs = [] + for dim in [t_dim, h_dim, w_dim]: + freq = get_1d_rotary_pos_embed( + dim, max_seq_len, theta, use_real=False, repeat_interleave_real=False, freqs_dtype=torch.float64 + ) + freqs.append(freq) + self.freqs = torch.cat(freqs, dim=1) + + def forward(self, hidden_states: torch.Tensor) -> torch.Tensor: + batch_size, _num_channels, num_frames, height, width = hidden_states.shape + p_t, p_h, p_w = self.patch_size + ppf, pph, ppw = num_frames // p_t, height // p_h, width // p_w + + self.freqs = self.freqs.to(hidden_states.device) + freqs = self.freqs.split_with_sizes( + [ + self.attention_head_dim // 2 - 2 * (self.attention_head_dim // 6), + self.attention_head_dim // 6, + self.attention_head_dim // 6, + ], + dim=1, + ) + + assert num_frames == 2 or num_frames == self.temporal_skip_len, f"num_frames must be 2 or {self.temporal_skip_len}, but got {num_frames}" + if num_frames == 2: + freqs_f = freqs[0][:self.temporal_skip_len][[0, -1]].view(ppf, 1, 1, -1).expand(ppf, pph, ppw, -1) + else: + freqs_f = freqs[0][:ppf].view(ppf, 1, 1, -1).expand(ppf, pph, ppw, -1) + freqs_h = freqs[1][:pph].view(1, pph, 1, -1).expand(ppf, pph, ppw, -1) + freqs_w = freqs[2][:ppw].view(1, 1, ppw, -1).expand(ppf, pph, ppw, -1) + freqs = torch.cat([freqs_f, freqs_h, freqs_w], dim=-1).reshape(1, 1, ppf * pph * ppw, -1) + return freqs + + +class ChronoEditTransformerBlock(nn.Module): + def __init__( + self, + dim: int, + ffn_dim: int, + num_heads: int, + qk_norm: str = "rms_norm_across_heads", + cross_attn_norm: bool = False, + eps: float = 1e-6, + added_kv_proj_dim: Optional[int] = None, + ): + super().__init__() + + # 1. Self-attention + self.norm1 = FP32LayerNorm(dim, eps, elementwise_affine=False) + self.attn1 = Attention( + query_dim=dim, + heads=num_heads, + kv_heads=num_heads, + dim_head=dim // num_heads, + qk_norm=qk_norm, + eps=eps, + bias=True, + cross_attention_dim=None, + out_bias=True, + processor=ChronoEditAttnProcessor2_0(), + ) + + # 2. Cross-attention + self.attn2 = Attention( + query_dim=dim, + heads=num_heads, + kv_heads=num_heads, + dim_head=dim // num_heads, + qk_norm=qk_norm, + eps=eps, + bias=True, + cross_attention_dim=None, + out_bias=True, + added_kv_proj_dim=added_kv_proj_dim, + added_proj_bias=True, + processor=ChronoEditAttnProcessor2_0(), + ) + self.norm2 = FP32LayerNorm(dim, eps, elementwise_affine=True) if cross_attn_norm else nn.Identity() + + # 3. Feed-forward + self.ffn = FeedForward(dim, inner_dim=ffn_dim, activation_fn="gelu-approximate") + self.norm3 = FP32LayerNorm(dim, eps, elementwise_affine=False) + + self.scale_shift_table = nn.Parameter(torch.randn(1, 6, dim) / dim**0.5) + + def forward( + self, + hidden_states: torch.Tensor, + encoder_hidden_states: torch.Tensor, + temb: torch.Tensor, + rotary_emb: torch.Tensor, + ) -> torch.Tensor: + shift_msa, scale_msa, gate_msa, c_shift_msa, c_scale_msa, c_gate_msa = ( + self.scale_shift_table + temb.float() + ).chunk(6, dim=1) + + # 1. Self-attention + norm_hidden_states = (self.norm1(hidden_states.float()) * (1 + scale_msa) + shift_msa).type_as(hidden_states) + attn_output = self.attn1(hidden_states=norm_hidden_states, rotary_emb=rotary_emb) + hidden_states = (hidden_states.float() + attn_output * gate_msa).type_as(hidden_states) + + # 2. Cross-attention + norm_hidden_states = self.norm2(hidden_states.float()).type_as(hidden_states) + attn_output = self.attn2(hidden_states=norm_hidden_states, encoder_hidden_states=encoder_hidden_states) + hidden_states = hidden_states + attn_output + + # 3. Feed-forward + norm_hidden_states = (self.norm3(hidden_states.float()) * (1 + c_scale_msa) + c_shift_msa).type_as( + hidden_states + ) + ff_output = self.ffn(norm_hidden_states) + hidden_states = (hidden_states.float() + ff_output.float() * c_gate_msa).type_as(hidden_states) + + return hidden_states + + +class ChronoEditTransformer3DModel(ModelMixin, ConfigMixin, PeftAdapterMixin, FromOriginalModelMixin, CacheMixin): + r""" + A Transformer model for video-like data used in the ChronoEdit model. + + Args: + patch_size (`Tuple[int]`, defaults to `(1, 2, 2)`): + 3D patch dimensions for video embedding (t_patch, h_patch, w_patch). + num_attention_heads (`int`, defaults to `40`): + Fixed length for text embeddings. + attention_head_dim (`int`, defaults to `128`): + The number of channels in each head. + in_channels (`int`, defaults to `16`): + The number of channels in the input. + out_channels (`int`, defaults to `16`): + The number of channels in the output. + text_dim (`int`, defaults to `512`): + Input dimension for text embeddings. + freq_dim (`int`, defaults to `256`): + Dimension for sinusoidal time embeddings. + ffn_dim (`int`, defaults to `13824`): + Intermediate dimension in feed-forward network. + num_layers (`int`, defaults to `40`): + The number of layers of transformer blocks to use. + window_size (`Tuple[int]`, defaults to `(-1, -1)`): + Window size for local attention (-1 indicates global attention). + cross_attn_norm (`bool`, defaults to `True`): + Enable cross-attention normalization. + qk_norm (`bool`, defaults to `True`): + Enable query/key normalization. + eps (`float`, defaults to `1e-6`): + Epsilon value for normalization layers. + add_img_emb (`bool`, defaults to `False`): + Whether to use img_emb. + added_kv_proj_dim (`int`, *optional*, defaults to `None`): + The number of channels to use for the added key and value projections. If `None`, no projection is used. + """ + + _supports_gradient_checkpointing = True + _skip_layerwise_casting_patterns = ["patch_embedding", "condition_embedder", "norm"] + _no_split_modules = ["ChronoEditTransformerBlock"] + _keep_in_fp32_modules = ["time_embedder", "scale_shift_table", "norm1", "norm2", "norm3"] + _keys_to_ignore_on_load_unexpected = ["norm_added_q"] + + @register_to_config + def __init__( + self, + patch_size: Tuple[int] = (1, 2, 2), + num_attention_heads: int = 40, + attention_head_dim: int = 128, + in_channels: int = 16, + out_channels: int = 16, + text_dim: int = 4096, + freq_dim: int = 256, + ffn_dim: int = 13824, + num_layers: int = 40, + cross_attn_norm: bool = True, + qk_norm: Optional[str] = "rms_norm_across_heads", + eps: float = 1e-6, + image_dim: Optional[int] = None, + added_kv_proj_dim: Optional[int] = None, + rope_max_seq_len: int = 1024, + rope_temporal_skip_len: int = 8, + ) -> None: + super().__init__() + + inner_dim = num_attention_heads * attention_head_dim + out_channels = out_channels or in_channels + + # 1. Patch & position embedding + self.rope = ChronoEditRotaryPosEmbed(attention_head_dim, patch_size, rope_max_seq_len, temporal_skip_len=rope_temporal_skip_len) + self.patch_embedding = nn.Conv3d(in_channels, inner_dim, kernel_size=patch_size, stride=patch_size) + + # 2. Condition embeddings + # image_embedding_dim=1280 for I2V model + self.condition_embedder = ChronoEditTimeTextImageEmbedding( + dim=inner_dim, + time_freq_dim=freq_dim, + time_proj_dim=inner_dim * 6, + text_embed_dim=text_dim, + image_embed_dim=image_dim, + ) + + # 3. Transformer blocks + self.blocks = nn.ModuleList( + [ + ChronoEditTransformerBlock( + inner_dim, ffn_dim, num_attention_heads, qk_norm, cross_attn_norm, eps, added_kv_proj_dim + ) + for _ in range(num_layers) + ] + ) + + # 4. Output norm & projection + self.norm_out = FP32LayerNorm(inner_dim, eps, elementwise_affine=False) + self.proj_out = nn.Linear(inner_dim, out_channels * math.prod(patch_size)) + self.scale_shift_table = nn.Parameter(torch.randn(1, 2, inner_dim) / inner_dim**0.5) + + self.gradient_checkpointing = False + + def forward( + self, + hidden_states: torch.Tensor, + timestep: torch.LongTensor, + encoder_hidden_states: torch.Tensor, + encoder_hidden_states_image: Optional[torch.Tensor] = None, + return_dict: bool = True, + attention_kwargs: Optional[Dict[str, Any]] = None, + ) -> Union[torch.Tensor, Dict[str, torch.Tensor]]: + if attention_kwargs is not None: + attention_kwargs = attention_kwargs.copy() + lora_scale = attention_kwargs.pop("scale", 1.0) + else: + lora_scale = 1.0 + + if USE_PEFT_BACKEND: + # weight the lora layers by setting `lora_scale` for each PEFT layer + scale_lora_layers(self, lora_scale) + else: + if attention_kwargs is not None and attention_kwargs.get("scale", None) is not None: + logger.warning( + "Passing `scale` via `attention_kwargs` when not using the PEFT backend is ineffective." + ) + + batch_size, _num_channels, num_frames, height, width = hidden_states.shape + p_t, p_h, p_w = self.config.patch_size + post_patch_num_frames = num_frames // p_t + post_patch_height = height // p_h + post_patch_width = width // p_w + + rotary_emb = self.rope(hidden_states) + + hidden_states = self.patch_embedding(hidden_states) + hidden_states = hidden_states.flatten(2).transpose(1, 2) + + temb, timestep_proj, encoder_hidden_states, encoder_hidden_states_image = self.condition_embedder( + timestep, encoder_hidden_states, encoder_hidden_states_image + ) + timestep_proj = timestep_proj.unflatten(1, (6, -1)) + + if encoder_hidden_states_image is not None: + encoder_hidden_states = torch.concat([encoder_hidden_states_image, encoder_hidden_states], dim=1) + + # 4. Transformer blocks + if torch.is_grad_enabled() and self.gradient_checkpointing: + for block in self.blocks: + hidden_states = self._gradient_checkpointing_func( + block, hidden_states, encoder_hidden_states, timestep_proj, rotary_emb + ) + else: + for block in self.blocks: + hidden_states = block(hidden_states, encoder_hidden_states, timestep_proj, rotary_emb) + + # 5. Output norm, projection & unpatchify + shift, scale = (self.scale_shift_table + temb.unsqueeze(1)).chunk(2, dim=1) + + # Move the shift and scale tensors to the same device as hidden_states. + # When using multi-GPU inference via accelerate these will be on the + # first device rather than the last device, which hidden_states ends up + # on. + shift = shift.to(hidden_states.device) + scale = scale.to(hidden_states.device) + + hidden_states = (self.norm_out(hidden_states.float()) * (1 + scale) + shift).type_as(hidden_states) + hidden_states = self.proj_out(hidden_states) + + hidden_states = hidden_states.reshape( + batch_size, post_patch_num_frames, post_patch_height, post_patch_width, p_t, p_h, p_w, -1 + ) + hidden_states = hidden_states.permute(0, 7, 1, 4, 2, 5, 3, 6) + output = hidden_states.flatten(6, 7).flatten(4, 5).flatten(2, 3) + + if USE_PEFT_BACKEND: + # remove `lora_scale` from each PEFT layer + unscale_lora_layers(self, lora_scale) + + if not return_dict: + return (output,) + + return Transformer2DModelOutput(sample=output) diff --git a/pipelines/generic.py b/pipelines/generic.py index f86745aba..40a951379 100644 --- a/pipelines/generic.py +++ b/pipelines/generic.py @@ -135,7 +135,7 @@ def load_text_encoder(repo_id, cls_name, load_config=None, subfolder="text_encod text_encoder = model_te.load_t5(local_file) text_encoder = model_quant.do_post_load_quant(text_encoder, allow=quant_type is not None) # use shared t5 if possible - elif cls_name == transformers.T5EncoderModel and allow_shared: + elif cls_name == transformers.T5EncoderModel and allow_shared and shared.opts.te_shared_t5: if model_quant.check_nunchaku('TE'): import nunchaku repo_id = 'nunchaku-tech/nunchaku-t5/awq-int4-flux.1-t5xxl.safetensors' @@ -146,7 +146,7 @@ def load_text_encoder(repo_id, cls_name, load_config=None, subfolder="text_encod torch_dtype=dtype, ) text_encoder.quantization_method = 'SVDQuant' - elif shared.opts.te_shared_t5: + else: if 'sdnq-uint4-svd' in repo_id.lower(): repo_id = 'Disty0/FLUX.1-dev-SDNQ-uint4-svd-r32' load_args['subfolder'] = 'text_encoder_2' @@ -163,20 +163,35 @@ def load_text_encoder(repo_id, cls_name, load_config=None, subfolder="text_encod **load_args, **quant_args, ) - elif cls_name == transformers.Qwen2_5_VLForConditionalGeneration and allow_shared: - if shared.opts.te_shared_t5: - repo_id = 'hunyuanvideo-community/HunyuanImage-2.1-Diffusers' - subfolder = 'text_encoder' - shared.log.debug(f'Load model: text_encoder="{repo_id}" cls={cls_name.__name__} quant="{quant_type}" shared={shared.opts.te_shared_t5}') - if dtype is not None: - load_args['torch_dtype'] = dtype - text_encoder = cls_name.from_pretrained( - repo_id, - cache_dir=shared.opts.hfcache_dir, - subfolder=subfolder, - **load_args, - **quant_args, - ) + elif cls_name == transformers.UMT5EncoderModel and allow_shared and shared.opts.te_shared_t5: + if 'sdnq-uint4-svd' in repo_id.lower(): + repo_id = 'Disty0/Wan2.2-T2V-A14B-SDNQ-uint4-svd-r32' + else: + repo_id = 'Wan-AI/Wan2.1-T2V-1.3B-Diffusers' + subfolder = 'text_encoder' + shared.log.debug(f'Load model: text_encoder="{repo_id}" cls={cls_name.__name__} quant="{quant_type}" shared={shared.opts.te_shared_t5}') + if dtype is not None: + load_args['torch_dtype'] = dtype + text_encoder = cls_name.from_pretrained( + repo_id, + cache_dir=shared.opts.hfcache_dir, + subfolder=subfolder, + **load_args, + **quant_args, + ) + elif cls_name == transformers.Qwen2_5_VLForConditionalGeneration and allow_shared and shared.opts.te_shared_t5: + repo_id = 'hunyuanvideo-community/HunyuanImage-2.1-Diffusers' + subfolder = 'text_encoder' + shared.log.debug(f'Load model: text_encoder="{repo_id}" cls={cls_name.__name__} quant="{quant_type}" shared={shared.opts.te_shared_t5}') + if dtype is not None: + load_args['torch_dtype'] = dtype + text_encoder = cls_name.from_pretrained( + repo_id, + cache_dir=shared.opts.hfcache_dir, + subfolder=subfolder, + **load_args, + **quant_args, + ) # load from repo if text_encoder is None: diff --git a/pipelines/model_chrono.py b/pipelines/model_chrono.py new file mode 100644 index 000000000..1f528dcac --- /dev/null +++ b/pipelines/model_chrono.py @@ -0,0 +1,54 @@ +import transformers +from modules import shared, devices, sd_models, model_quant, sd_hijack_te, sd_hijack_vae +from pipelines import generic + + +def postprocess(p, result): # pylint: disable=unused-argument + shared.log.debug('Postprocess: model=ChronoEdit') + if result is not None and hasattr(result, 'images'): + result.images = result.images[-1] + return result + + +def load_chrono(checkpoint_info, diffusers_load_config=None): + if diffusers_load_config is None: + diffusers_load_config = {} + repo_id = sd_models.path_to_repo(checkpoint_info) + sd_models.hf_auth_check(checkpoint_info) + + load_args, _quant_args = model_quant.get_dit_args(diffusers_load_config, allow_quant=False) + shared.log.debug(f'Load model: type=ChronoEdit repo="{repo_id}" config={diffusers_load_config} offload={shared.opts.diffusers_offload_mode} dtype={devices.dtype} args={load_args}') + + from pipelines.chrono.pipeline_chronoedit import ChronoEditPipeline as pipe_cls + from pipelines.chrono.transformer_chronoedit import ChronoEditTransformer3DModel + + transformer = generic.load_transformer(repo_id, cls_name=ChronoEditTransformer3DModel, load_config=diffusers_load_config, subfolder="transformer") + text_encoder = generic.load_text_encoder(repo_id, cls_name=transformers.UMT5EncoderModel, load_config=diffusers_load_config, subfolder="text_encoder") + + pipe = pipe_cls.from_pretrained( + repo_id, + transformer=transformer, + text_encoder=text_encoder, + cache_dir=shared.opts.diffusers_dir, + **load_args, + ) + pipe.postprocess = postprocess + pipe.task_args = { + 'num_temporal_reasoning_steps': shared.opts.model_chrono_temporal_steps, + 'output_type': 'np', + } + if shared.opts.model_chrono_temporal_steps > 0: + pipe.task_args['num_frames'] = 29 + pipe.task_args['enable_temporal_reasoning'] = True + else: + pipe.task_args['num_frames'] = 29 + pipe.task_args['enable_temporal_reasoning'] = False + + del text_encoder + del transformer + + sd_hijack_te.init_hijack(pipe) + sd_hijack_vae.init_hijack(pipe) + + devices.torch_gc() + return pipe diff --git a/pipelines/model_hidream.py b/pipelines/model_hidream.py index 10b3d7b92..efb748502 100644 --- a/pipelines/model_hidream.py +++ b/pipelines/model_hidream.py @@ -1,6 +1,6 @@ import transformers import diffusers -from modules import shared, devices, sd_models, model_quant, sd_hijack_te +from modules import shared, devices, sd_models, model_quant, sd_hijack_te, sd_hijack_vae from pipelines import generic @@ -79,6 +79,7 @@ def load_hidream(checkpoint_info, diffusers_load_config=None): del tokenizer_4 del transformer sd_hijack_te.init_hijack(pipe) + sd_hijack_vae.init_hijack(pipe) devices.torch_gc() return pipe