Text2Video-Zero / model.py
lev1's picture
Description
fc198df
from enum import Enum
import gc
import numpy as np
import torch
import decord
from diffusers import StableDiffusionInstructPix2PixPipeline, StableDiffusionControlNetPipeline, ControlNetModel, UNet2DConditionModel
from diffusers.schedulers import EulerAncestralDiscreteScheduler, DDIMScheduler
from text_to_video.text_to_video_pipeline import TextToVideoPipeline
import utils
import gradio_utils
decord.bridge.set_bridge('torch')
class ModelType(Enum):
Pix2Pix_Video = 1,
Text2Video = 2,
ControlNetCanny = 3,
ControlNetCannyDB = 4,
ControlNetPose = 5,
class Model:
def __init__(self, device, dtype, **kwargs):
self.device = device
self.dtype = dtype
self.generator = torch.Generator(device=device)
self.pipe_dict = {
ModelType.Pix2Pix_Video: StableDiffusionInstructPix2PixPipeline,
ModelType.Text2Video: TextToVideoPipeline,
ModelType.ControlNetCanny: StableDiffusionControlNetPipeline,
ModelType.ControlNetCannyDB: StableDiffusionControlNetPipeline,
ModelType.ControlNetPose: StableDiffusionControlNetPipeline,
}
self.controlnet_attn_proc = utils.CrossFrameAttnProcessor(unet_chunk_size=2)
self.pix2pix_attn_proc = utils.CrossFrameAttnProcessor(unet_chunk_size=3)
self.text2video_attn_proc = utils.CrossFrameAttnProcessor(unet_chunk_size=2)
self.pipe = None
self.model_type = None
self.states = {}
def set_model(self, model_type: ModelType, model_id: str, **kwargs):
if self.pipe is not None:
del self.pipe
torch.cuda.empty_cache()
gc.collect()
safety_checker = kwargs.pop('safety_checker', None)
self.pipe = self.pipe_dict[model_type].from_pretrained(model_id, safety_checker=safety_checker, **kwargs).to(self.device).to(self.dtype)
self.model_type = model_type
def inference_chunk(self, frame_ids, **kwargs):
if self.pipe is None:
return
image = kwargs.pop('image')
prompt = np.array(kwargs.pop('prompt'))
negative_prompt = np.array(kwargs.pop('negative_prompt', ''))
latents = None
if 'latents' in kwargs:
latents = kwargs.pop('latents')[frame_ids]
return self.pipe(image=image[frame_ids],
prompt=prompt[frame_ids].tolist(),
negative_prompt=negative_prompt[frame_ids].tolist(),
latents=latents,
generator=self.generator,
**kwargs)
def inference(self, split_to_chunks=False, chunk_size=8, **kwargs):
if self.pipe is None:
return
seed = kwargs.pop('seed', 0)
kwargs.pop('generator', '')
# self.generator.manual_seed(seed)
if split_to_chunks:
assert 'image' in kwargs
assert 'prompt' in kwargs
image = kwargs.pop('image')
prompt = kwargs.pop('prompt')
negative_prompt = kwargs.pop('negative_prompt', '')
f = image.shape[0]
chunk_ids = np.arange(0, f, chunk_size - 1)
result = []
for i in range(len(chunk_ids)):
ch_start = chunk_ids[i]
ch_end = f if i == len(chunk_ids) - 1 else chunk_ids[i + 1]
frame_ids = [0] + list(range(ch_start, ch_end))
self.generator.manual_seed(seed)
print(f'Processing chunk {i + 1} / {len(chunk_ids)}')
result.append(self.inference_chunk(frame_ids=frame_ids,
image=image,
prompt=[prompt] * f,
negative_prompt=[negative_prompt] * f,
**kwargs).images[1:])
result = np.concatenate(result)
return result
else:
return self.pipe(generator=self.generator, **kwargs).videos[0]
def process_controlnet_canny(self,
video_path,
prompt,
num_inference_steps=20,
controlnet_conditioning_scale=1.0,
guidance_scale=9.0,
seed=42,
eta=0.0,
low_threshold=100,
high_threshold=200,
resolution=512):
video_path = gradio_utils.edge_path_to_video_path(video_path)
if self.model_type != ModelType.ControlNetCanny:
controlnet = ControlNetModel.from_pretrained("lllyasviel/sd-controlnet-canny")
self.set_model(ModelType.ControlNetCanny, model_id="runwayml/stable-diffusion-v1-5", controlnet=controlnet)
self.pipe.scheduler = DDIMScheduler.from_config(self.pipe.scheduler.config)
self.pipe.unet.set_attn_processor(processor=self.controlnet_attn_proc)
self.pipe.controlnet.set_attn_processor(processor=self.controlnet_attn_proc)
# TODO: Check scheduler
added_prompt = 'best quality, extremely detailed'
negative_prompts = 'longbody, lowres, bad anatomy, bad hands, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality'
video, fps = utils.prepare_video(video_path, resolution, self.device, self.dtype, False)
control = utils.pre_process_canny(video, low_threshold, high_threshold).to(self.device).to(self.dtype)
f, _, h, w = video.shape
self.generator.manual_seed(seed)
latents = torch.randn((1, 4, h//8, w//8), dtype=self.dtype, device=self.device, generator=self.generator)
latents = latents.repeat(f, 1, 1, 1)
result = self.inference(image=control,
prompt=prompt + ', ' + added_prompt,
height=h,
width=w,
negative_prompt=negative_prompts,
num_inference_steps=num_inference_steps,
guidance_scale=guidance_scale,
controlnet_conditioning_scale=controlnet_conditioning_scale,
eta=eta,
latents=latents,
seed=seed,
output_type='numpy',
split_to_chunks=True,
chunk_size=8,
)
return utils.create_video(result, fps)
def process_controlnet_pose(self,
video_path,
prompt,
num_inference_steps=20,
controlnet_conditioning_scale=1.0,
guidance_scale=9.0,
seed=42,
eta=0.0,
resolution=512):
video_path = gradio_utils.motion_to_video_path(video_path)
if self.model_type != ModelType.ControlNetPose:
controlnet = ControlNetModel.from_pretrained("fusing/stable-diffusion-v1-5-controlnet-openpose")
self.set_model(ModelType.ControlNetPose, model_id="runwayml/stable-diffusion-v1-5", controlnet=controlnet)
self.pipe.scheduler = DDIMScheduler.from_config(self.pipe.scheduler.config)
self.pipe.unet.set_attn_processor(processor=self.controlnet_attn_proc)
self.pipe.controlnet.set_attn_processor(processor=self.controlnet_attn_proc)
added_prompt = 'best quality, extremely detailed, HD, ultra-realistic, 8K, HQ, masterpiece, trending on artstation, art, smooth'
negative_prompts = 'longbody, lowres, bad anatomy, bad hands, missing fingers, extra digit, fewer difits, cropped, worst quality, low quality, deformed body, bloated, ugly, unrealistic'
video, fps = utils.prepare_video(video_path, resolution, self.device, self.dtype, False, output_fps=4)
control = utils.pre_process_pose(video, apply_pose_detect=False).to(self.device).to(self.dtype)
f, _, h, w = video.shape
self.generator.manual_seed(seed)
latents = torch.randn((1, 4, h//8, w//8), dtype=self.dtype, device=self.device, generator=self.generator)
latents = latents.repeat(f, 1, 1, 1)
result = self.inference(image=control,
prompt=prompt + ', ' + added_prompt,
height=h,
width=w,
negative_prompt=negative_prompts,
num_inference_steps=num_inference_steps,
guidance_scale=guidance_scale,
controlnet_conditioning_scale=controlnet_conditioning_scale,
eta=eta,
latents=latents,
seed=seed,
output_type='numpy',
split_to_chunks=True,
chunk_size=8,
)
return utils.create_gif(result, fps)
# return utils.create_video(result, fps)
def process_controlnet_canny_db(self,
db_path,
video_path,
prompt,
num_inference_steps=20,
controlnet_conditioning_scale=1.0,
guidance_scale=9.0,
seed=42,
eta=0.0,
low_threshold=100,
high_threshold=200,
resolution=512):
db_path = gradio_utils.get_model_from_db_selection(db_path)
video_path = gradio_utils.get_video_from_canny_selection(video_path)
# Load db and controlnet weights
if 'db_path' not in self.states or db_path != self.states['db_path']:
controlnet = ControlNetModel.from_pretrained("lllyasviel/sd-controlnet-canny")
self.set_model(ModelType.ControlNetCannyDB, model_id=db_path, controlnet=controlnet)
self.pipe.scheduler = DDIMScheduler.from_config(self.pipe.scheduler.config)
self.pipe.unet.set_attn_processor(processor=self.controlnet_attn_proc)
self.pipe.controlnet.set_attn_processor(processor=self.controlnet_attn_proc)
self.states['db_path'] = db_path
added_prompt = 'best quality, extremely detailed'
negative_prompts = 'longbody, lowres, bad anatomy, bad hands, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality'
video, fps = utils.prepare_video(video_path, resolution, self.device, self.dtype, False)
control = utils.pre_process_canny(video, low_threshold, high_threshold).to(self.device).to(self.dtype)
f, _, h, w = video.shape
self.generator.manual_seed(seed)
latents = torch.randn((1, 4, h//8, w//8), dtype=self.dtype, device=self.device, generator=self.generator)
latents = latents.repeat(f, 1, 1, 1)
result = self.inference(image=control,
prompt=prompt + ', ' + added_prompt,
height=h,
width=w,
negative_prompt=negative_prompts,
num_inference_steps=num_inference_steps,
guidance_scale=guidance_scale,
controlnet_conditioning_scale=controlnet_conditioning_scale,
eta=eta,
latents=latents,
seed=seed,
output_type='numpy',
split_to_chunks=True,
chunk_size=8,
)
return utils.create_gif(result, fps)
def process_pix2pix(self, video, prompt, resolution=512, seed=0, start_t=0, end_t=-1, out_fps=-1):
end_t = start_t+15
if self.model_type != ModelType.Pix2Pix_Video:
self.set_model(ModelType.Pix2Pix_Video, model_id="timbrooks/instruct-pix2pix")
self.pipe.scheduler = EulerAncestralDiscreteScheduler.from_config(self.pipe.scheduler.config)
self.pipe.unet.set_attn_processor(processor=self.pix2pix_attn_proc)
video, fps = utils.prepare_video(video, resolution, self.device, self.dtype, True, start_t, end_t, out_fps)
self.generator.manual_seed(seed)
result = self.inference(image=video,
prompt=prompt,
seed=seed,
output_type='numpy',
num_inference_steps=50,
image_guidance_scale=1.5,
split_to_chunks=True,
chunk_size=8,
)
return utils.create_video(result, fps)
def process_text2video(self, prompt, motion_field_strength_x=12,motion_field_strength_y=12, n_prompt="", resolution=512, seed=24, num_frames=8, fps=2, t0=881, t1=941,
use_cf_attn=True, use_motion_field=True,
smooth_bg=False, smooth_bg_strength=0.4 ):
if self.model_type != ModelType.Text2Video:
unet = UNet2DConditionModel.from_pretrained('runwayml/stable-diffusion-v1-5', subfolder="unet")
self.set_model(ModelType.Text2Video, model_id="runwayml/stable-diffusion-v1-5", unet=unet)
self.pipe.scheduler = DDIMScheduler.from_config(self.pipe.scheduler.config)
if use_cf_attn:
self.pipe.unet.set_attn_processor(processor=self.text2video_attn_proc)
self.generator.manual_seed(seed)
added_prompt = "high quality, HD, 8K, trending on artstation, high focus, dramatic lighting"
negative_prompts = 'longbody, lowres, bad anatomy, bad hands, missing fingers, extra digit, fewer difits, cropped, worst quality, low quality, deformed body, bloated, ugly, unrealistic'
prompt = prompt.rstrip()
if len(prompt) > 0 and (prompt[-1] == "," or prompt[-1] == "."):
prompt = prompt.rstrip()[:-1]
prompt = prompt.rstrip()
prompt = prompt + ", "+added_prompt
if len(n_prompt)>0:
negative_prompt = [n_prompt]
else:
negative_prompt = None
result = self.inference(prompt=[prompt],
video_length=num_frames,
height=resolution,
width=resolution,
num_inference_steps=50,
guidance_scale=7.5,
guidance_stop_step=1.0,
t0=t0,
t1=t1,
motion_field_strength_x=motion_field_strength_x,
motion_field_strength_y=motion_field_strength_y,
use_motion_field=use_motion_field,
smooth_bg=smooth_bg,
smooth_bg_strength=smooth_bg_strength,
seed=seed,
output_type='numpy',
negative_prompt = negative_prompt,
)
return utils.create_video(result, fps)