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from diffusers import ( |
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StableDiffusionControlNetImg2ImgPipeline, |
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AutoencoderTiny, |
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ControlNetModel, |
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) |
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from compel import Compel |
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import torch |
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from pipelines.utils.canny_gpu import SobelOperator |
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|
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try: |
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import intel_extension_for_pytorch as ipex |
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except: |
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pass |
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import psutil |
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from config import Args |
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from pydantic import BaseModel, Field |
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from PIL import Image |
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import math |
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base_model = "SimianLuo/LCM_Dreamshaper_v7" |
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taesd_model = "madebyollin/taesd" |
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controlnet_model = "lllyasviel/control_v11p_sd15_canny" |
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default_prompt = "Portrait of The Terminator with , glare pose, detailed, intricate, full of colour, cinematic lighting, trending on artstation, 8k, hyperrealistic, focused, extreme details, unreal engine 5 cinematic, masterpiece" |
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page_content = """ |
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<h1 class="text-3xl font-bold">Real-Time Latent Consistency Model</h1> |
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<h3 class="text-xl font-bold">LCM + Controlnet Canny</h3> |
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<p class="text-sm"> |
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This demo showcases |
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<a |
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href="https://huggingface.co/blog/lcm_lora" |
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target="_blank" |
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class="text-blue-500 underline hover:no-underline">LCM LoRA</a |
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> |
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ControlNet + Image to Image pipeline using |
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<a |
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href="https://huggingface.co/docs/diffusers/main/en/using-diffusers/lcm#performing-inference-with-lcm" |
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target="_blank" |
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class="text-blue-500 underline hover:no-underline">Diffusers</a |
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> with a MJPEG stream server. |
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</p> |
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<p class="text-sm text-gray-500"> |
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Change the prompt to generate different images, accepts <a |
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href="https://github.com/damian0815/compel/blob/main/doc/syntax.md" |
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target="_blank" |
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class="text-blue-500 underline hover:no-underline">Compel</a |
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> syntax. |
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</p> |
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""" |
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class Pipeline: |
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class Info(BaseModel): |
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name: str = "controlnet" |
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title: str = "LCM + Controlnet" |
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description: str = "Generates an image from a text prompt" |
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input_mode: str = "image" |
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page_content: str = page_content |
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class InputParams(BaseModel): |
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prompt: str = Field( |
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default_prompt, |
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title="Prompt", |
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field="textarea", |
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id="prompt", |
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) |
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seed: int = Field( |
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2159232, min=0, title="Seed", field="seed", hide=True, id="seed" |
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) |
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steps: int = Field( |
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2, min=1, max=6, title="Steps", field="range", hide=True, id="steps" |
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) |
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width: int = Field( |
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512, min=2, max=15, title="Width", disabled=True, hide=True, id="width" |
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) |
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height: int = Field( |
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512, min=2, max=15, title="Height", disabled=True, hide=True, id="height" |
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) |
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guidance_scale: float = Field( |
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0.0, |
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min=0, |
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max=2, |
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step=0.001, |
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title="Guidance Scale", |
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field="range", |
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hide=True, |
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id="guidance_scale", |
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) |
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strength: float = Field( |
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0.5, |
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min=0.25, |
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max=1.0, |
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step=0.001, |
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title="Strength", |
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field="range", |
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hide=True, |
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id="strength", |
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) |
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controlnet_scale: float = Field( |
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0.8, |
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min=0, |
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max=1.0, |
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step=0.001, |
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title="Controlnet Scale", |
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field="range", |
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hide=True, |
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id="controlnet_scale", |
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) |
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controlnet_start: float = Field( |
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0.0, |
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min=0, |
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max=1.0, |
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step=0.001, |
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title="Controlnet Start", |
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field="range", |
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hide=True, |
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id="controlnet_start", |
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) |
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controlnet_end: float = Field( |
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1.0, |
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min=0, |
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max=1.0, |
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step=0.001, |
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title="Controlnet End", |
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field="range", |
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hide=True, |
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id="controlnet_end", |
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) |
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canny_low_threshold: float = Field( |
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0.31, |
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min=0, |
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max=1.0, |
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step=0.001, |
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title="Canny Low Threshold", |
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field="range", |
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hide=True, |
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id="canny_low_threshold", |
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) |
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canny_high_threshold: float = Field( |
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0.125, |
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min=0, |
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max=1.0, |
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step=0.001, |
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title="Canny High Threshold", |
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field="range", |
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hide=True, |
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id="canny_high_threshold", |
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) |
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debug_canny: bool = Field( |
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False, |
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title="Debug Canny", |
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field="checkbox", |
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hide=True, |
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id="debug_canny", |
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) |
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def __init__(self, args: Args, device: torch.device, torch_dtype: torch.dtype): |
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controlnet_canny = ControlNetModel.from_pretrained( |
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controlnet_model, torch_dtype=torch_dtype |
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).to(device) |
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if args.safety_checker: |
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self.pipe = StableDiffusionControlNetImg2ImgPipeline.from_pretrained( |
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base_model, controlnet=controlnet_canny |
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) |
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else: |
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self.pipe = StableDiffusionControlNetImg2ImgPipeline.from_pretrained( |
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base_model, |
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safety_checker=None, |
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controlnet=controlnet_canny, |
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) |
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if args.taesd: |
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self.pipe.vae = AutoencoderTiny.from_pretrained( |
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taesd_model, torch_dtype=torch_dtype, use_safetensors=True |
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).to(device) |
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self.canny_torch = SobelOperator(device=device) |
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self.pipe.set_progress_bar_config(disable=True) |
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self.pipe.to(device=device, dtype=torch_dtype) |
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if device.type != "mps": |
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self.pipe.unet.to(memory_format=torch.channels_last) |
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if psutil.virtual_memory().total < 64 * 1024**3: |
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self.pipe.enable_attention_slicing() |
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if args.torch_compile: |
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self.pipe.unet = torch.compile( |
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self.pipe.unet, mode="reduce-overhead", fullgraph=True |
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) |
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self.pipe.vae = torch.compile( |
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self.pipe.vae, mode="reduce-overhead", fullgraph=True |
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) |
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self.pipe( |
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prompt="warmup", |
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image=[Image.new("RGB", (768, 768))], |
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control_image=[Image.new("RGB", (768, 768))], |
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) |
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if args.compel: |
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self.compel_proc = Compel( |
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tokenizer=self.pipe.tokenizer, |
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text_encoder=self.pipe.text_encoder, |
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truncate_long_prompts=False, |
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) |
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def predict(self, params: "Pipeline.InputParams") -> Image.Image: |
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generator = torch.manual_seed(params.seed) |
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prompt_embeds = None |
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control_image = None |
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prompt = params.prompt |
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if hasattr(self, "compel_proc"): |
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prompt_embeds = self.compel_proc(params.prompt) |
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prompt = None |
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control_image = self.canny_torch( |
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params.image, params.canny_low_threshold, params.canny_high_threshold |
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) |
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steps = params.steps |
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strength = params.strength |
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if int(steps * strength) < 1: |
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steps = math.ceil(1 / max(0.10, strength)) |
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results = self.pipe( |
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image=params.image, |
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control_image=control_image, |
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prompt_embeds=prompt_embeds, |
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prompt=prompt, |
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generator=generator, |
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strength=strength, |
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num_inference_steps=steps, |
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guidance_scale=params.guidance_scale, |
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width=params.width, |
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height=params.height, |
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output_type="pil", |
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controlnet_conditioning_scale=params.controlnet_scale, |
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control_guidance_start=params.controlnet_start, |
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control_guidance_end=params.controlnet_end, |
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) |
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nsfw_content_detected = ( |
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results.nsfw_content_detected[0] |
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if "nsfw_content_detected" in results |
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else False |
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) |
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if nsfw_content_detected: |
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return None |
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result_image = results.images[0] |
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if params.debug_canny: |
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w0, h0 = (200, 200) |
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control_image = control_image.resize((w0, h0)) |
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w1, h1 = result_image.size |
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result_image.paste(control_image, (w1 - w0, h1 - h0)) |
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return result_image |
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