script/multi_frame_render.py

# Beta V0.72
import numpy as np
from tqdm import trange
from PIL import Image, ImageSequence, ImageDraw
import math

import modules.scripts as scripts
import gradio as gr

from modules import processing, shared, sd_samplers, images
from modules.processing import Processed
from modules.sd_samplers import samplers
from modules.shared import opts, cmd_opts, state
from modules import deepbooru


class Script(scripts.Script):
    def title(self):
        return "(Beta) Multi-frame Video rendering - V0.72"

    def show(self, is_img2img):
        return is_img2img

    def ui(self, is_img2img):   
        first_denoise = gr.Slider(minimum=0, maximum=1, step=0.05, label='Initial Denoise Strength', value=1, elem_id=self.elem_id("first_denoise"))
        append_interrogation = gr.Dropdown(label="Append interrogated prompt at each iteration", choices=["None", "CLIP", "DeepBooru"], value="None")
        third_frame_image = gr.Dropdown(label="Third Frame Image", choices=["None", "FirstGen", "GuideImg", "Historical"], value="None")
        reference_imgs = gr.UploadButton(label="Upload Guide Frames", file_types = ['.png','.jpg','.jpeg'], live=True, file_count = "multiple") 
        color_correction_enabled = gr.Checkbox(label="Enable Color Correction", value=False, elem_id=self.elem_id("color_correction_enabled"))
        unfreeze_seed = gr.Checkbox(label="Unfreeze Seed", value=False, elem_id=self.elem_id("unfreeze_seed"))
        loopback_source = gr.Dropdown(label="Loopback Source", choices=["PreviousFrame", "InputFrame","FirstGen"], value="PreviousFrame")

        return [append_interrogation, reference_imgs, first_denoise, third_frame_image, color_correction_enabled, unfreeze_seed, loopback_source]

    def run(self, p, append_interrogation, reference_imgs, first_denoise, third_frame_image, color_correction_enabled, unfreeze_seed, loopback_source):
        freeze_seed = not unfreeze_seed

        loops = len(reference_imgs)

        processing.fix_seed(p)
        batch_count = p.n_iter

        p.batch_size = 1
        p.n_iter = 1

        output_images, info = None, None
        initial_seed = None
        initial_info = None

        initial_width = p.width
        initial_img = p.init_images[0]

        grids = []
        all_images = []
        original_init_image = p.init_images
        original_prompt = p.prompt
        original_denoise = p.denoising_strength
        state.job_count = loops * batch_count

        initial_color_corrections = [processing.setup_color_correction(p.init_images[0])]

        for n in range(batch_count):
            history = []
            frames = []
            third_image = None
            third_image_index = 0
            frame_color_correction = None

            # Reset to original init image at the start of each batch
            p.init_images = original_init_image
            p.width = initial_width

            for i in range(loops):
                p.n_iter = 1
                p.batch_size = 1
                p.do_not_save_grid = True
                p.control_net_input_image = Image.open(reference_imgs[i].name).convert("RGB").resize((initial_width, p.height), Image.ANTIALIAS)

                if(i > 0):
                    loopback_image = p.init_images[0]
                    if loopback_source == "InputFrame":
                        loopback_image = p.control_net_input_image
                    elif loopback_source == "FirstGen":
                        loopback_image = history[0]


                    if third_frame_image != "None" and i > 1:
                        p.width = initial_width * 3
                        img = Image.new("RGB", (initial_width*3, p.height))
                        img.paste(p.init_images[0], (0, 0))
                        # img.paste(p.init_images[0], (initial_width, 0))
                        img.paste(loopback_image, (initial_width, 0))
                        img.paste(third_image, (initial_width*2, 0))
                        p.init_images = [img]
                        if color_correction_enabled:
                            p.color_corrections = [processing.setup_color_correction(img)]

                        msk = Image.new("RGB", (initial_width*3, p.height))
                        msk.paste(Image.open(reference_imgs[i-1].name).convert("RGB").resize((initial_width, p.height), Image.ANTIALIAS), (0, 0))
                        msk.paste(p.control_net_input_image, (initial_width, 0))
                        msk.paste(Image.open(reference_imgs[third_image_index].name).convert("RGB").resize((initial_width, p.height), Image.ANTIALIAS), (initial_width*2, 0))
                        p.control_net_input_image = msk

                        latent_mask = Image.new("RGB", (initial_width*3, p.height), "black")
                        latent_draw = ImageDraw.Draw(latent_mask)
                        latent_draw.rectangle((initial_width,0,initial_width*2,p.height), fill="white")
                        p.image_mask = latent_mask
                        p.denoising_strength = original_denoise
                    else:
                        p.width = initial_width * 2
                        img = Image.new("RGB", (initial_width*2, p.height))
                        img.paste(p.init_images[0], (0, 0))
                        # img.paste(p.init_images[0], (initial_width, 0))
                        img.paste(loopback_image, (initial_width, 0))
                        p.init_images = [img]
                        if color_correction_enabled:
                            p.color_corrections = [processing.setup_color_correction(img)]

                        msk = Image.new("RGB", (initial_width*2, p.height))
                        msk.paste(Image.open(reference_imgs[i-1].name).convert("RGB").resize((initial_width, p.height), Image.ANTIALIAS), (0, 0))
                        msk.paste(p.control_net_input_image, (initial_width, 0))
                        p.control_net_input_image = msk
                        frames.append(msk)

                        # latent_mask = Image.new("RGB", (initial_width*2, p.height), "white")
                        # latent_draw = ImageDraw.Draw(latent_mask)
                        # latent_draw.rectangle((0,0,initial_width,p.height), fill="black")
                        latent_mask = Image.new("RGB", (initial_width*2, p.height), "black")
                        latent_draw = ImageDraw.Draw(latent_mask)
                        latent_draw.rectangle((initial_width,0,initial_width*2,p.height), fill="white")

                        # p.latent_mask = latent_mask
                        p.image_mask = latent_mask
                        p.denoising_strength = original_denoise
                else:
                    latent_mask = Image.new("RGB", (initial_width, p.height), "white")
                    # p.latent_mask = latent_mask
                    p.image_mask = latent_mask
                    p.denoising_strength = first_denoise
                    p.control_net_input_image = p.control_net_input_image.resize((initial_width, p.height))
                    frames.append(p.control_net_input_image)
                    

                if append_interrogation != "None":
                    p.prompt = original_prompt + ", " if original_prompt != "" else ""
                    if append_interrogation == "CLIP":
                        p.prompt += shared.interrogator.interrogate(p.init_images[0])
                    elif append_interrogation == "DeepBooru":
                        p.prompt += deepbooru.model.tag(p.init_images[0])

                state.job = f"Iteration {i + 1}/{loops}, batch {n + 1}/{batch_count}"

                processed = processing.process_images(p)

                if initial_seed is None:
                    initial_seed = processed.seed
                    initial_info = processed.info

                init_img = processed.images[0]
                if(i > 0):
                    init_img = init_img.crop((initial_width, 0, initial_width*2, p.height))

                if third_frame_image != "None":
                    if third_frame_image == "FirstGen" and i == 0:
                        third_image = init_img
                        third_image_index = 0
                    elif third_frame_image == "GuideImg" and i == 0:
                        third_image = original_init_image[0]
                        third_image_index = 0
                    elif third_frame_image == "Historical":
                        third_image = processed.images[0].crop((0, 0, initial_width, p.height))
                        third_image_index = (i-1)

                p.init_images = [init_img]
                if(freeze_seed):
                    p.seed = processed.seed
                else:
                    p.seed = processed.seed + 1

                history.append(init_img)
                if opts.samples_save:
                    images.save_image(init_img, p.outpath_samples, "Frame", p.seed, p.prompt, opts.grid_format, info=info, short_filename=not opts.grid_extended_filename, grid=True, p=p)

                frames.append(processed.images[0])

            grid = images.image_grid(history, rows=1)
            if opts.grid_save:
                images.save_image(grid, p.outpath_grids, "grid", initial_seed, p.prompt, opts.grid_format, info=info, short_filename=not opts.grid_extended_filename, grid=True, p=p)

            grids.append(grid)
            # all_images += history + frames
            all_images += history

            p.seed = p.seed+1

        if opts.return_grid:
            all_images = grids + all_images

        processed = Processed(p, all_images, initial_seed, initial_info)

        return processed