ai_toolkit_code / toolkit /dataloader_mixins.py
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import base64 import glob import hashlib import json import math import os import random from collections import OrderedDict from typing import TYPE_CHECKING, List, Dict, Union import traceback import cv2 import numpy as np import torch from safetensors.torch import load_file, save_file from tqdm import tqdm from transformers import CLIPImageProcessor, CLIPVisionModelWithProjection, SiglipImageProcessor from toolkit.audio.preserve_pitch import time_stretch_preserve_pitch from toolkit.basic import flush, value_map from toolkit.buckets import get_bucket_for_image_size, get_resolution from toolkit.config_modules import ControlTypes from toolkit.control_generator import ControlGenerator from toolkit.metadata import get_meta_for_safetensors from toolkit.models.pixtral_vision import PixtralVisionImagePreprocessorCompatible from toolkit.prompt_utils import inject_trigger_into_prompt from torchvision import transforms from PIL import Image, ImageFilter, ImageOps from PIL.ImageOps import exif_transpose import albumentations as A from toolkit.print import print_acc from toolkit.accelerator import get_accelerator from toolkit.prompt_utils import PromptEmbeds from torchvision.transforms import functional as TF from toolkit.train_tools import get_torch_dtype if TYPE_CHECKING: from toolkit.data_loader import AiToolkitDataset from toolkit.data_transfer_object.data_loader import FileItemDTO from toolkit.stable_diffusion_model import StableDiffusion accelerator = get_accelerator() # def get_associated_caption_from_img_path(img_path): # https://demo.albumentations.ai/ class Augments: def __init__(self, **kwargs): self.method_name = kwargs.get('method', None) self.params = kwargs.get('params', {}) # convert kwargs enums for cv2 for key, value in self.params.items(): if isinstance(value, str): # split the string split_string = value.split('.') if len(split_string) == 2 and split_string[0] == 'cv2': if hasattr(cv2, split_string[1]): self.params[key] = getattr(cv2, split_string[1].upper()) else: raise ValueError(f"invalid cv2 enum: {split_string[1]}") transforms_dict = { 'ColorJitter': transforms.ColorJitter(brightness=0.2, contrast=0.2, saturation=0.2, hue=0.03), 'RandomEqualize': transforms.RandomEqualize(p=0.2), } img_ext_list = ['.jpg', '.jpeg', '.png', '.webp'] def standardize_images(images): """ Standardize the given batch of images using the specified mean and std. Expects values of 0 - 1 Args: images (torch.Tensor): A batch of images in the shape of (N, C, H, W), where N is the number of images, C is the number of channels, H is the height, and W is the width. Returns: torch.Tensor: Standardized images. """ mean = [0.48145466, 0.4578275, 0.40821073] std = [0.26862954, 0.26130258, 0.27577711] # Define the normalization transform normalize = transforms.Normalize(mean=mean, std=std) # Apply normalization to each image in the batch standardized_images = torch.stack([normalize(img) for img in images]) return standardized_images def clean_caption(caption): # this doesnt make any sense anymore in a world that is not based on comma seperated tokens # # remove any newlines # caption = caption.replace('\n', ', ') # # remove new lines for all operating systems # caption = caption.replace('\r', ', ') # caption_split = caption.split(',') # # remove empty strings # caption_split = [p.strip() for p in caption_split if p.strip()] # # join back together # caption = ', '.join(caption_split) return caption def waveform_to_stereo(waveform): c = waveform.shape[0] if c == 2: return waveform if c == 1: return waveform.expand(2, -1) if c == 6: # 5.1: FL, FR, FC, LFE, BL, BR fl, fr, fc, _, bl, br = waveform k = 0.7071 return torch.stack([fl + k * fc + k * bl, fr + k * fc + k * br]) if c == 8: # 7.1: FL, FR, FC, LFE, BL, BR, SL, SR fl, fr, fc, _, bl, br, sl, sr = waveform k = 0.7071 return torch.stack([fl + k * fc + k * (bl + sl), fr + k * fc + k * (br + sr)]) return waveform.mean(0, keepdim=True).expand(2, -1) class CaptionMixin: def get_caption_item(self: 'AiToolkitDataset', index): if not hasattr(self, 'caption_type'): raise Exception('caption_type not found on class instance') if not hasattr(self, 'file_list'): raise Exception('file_list not found on class instance') img_path_or_tuple = self.file_list[index] ext = self.dataset_config.caption_ext if isinstance(img_path_or_tuple, tuple): img_path = img_path_or_tuple[0] if isinstance(img_path_or_tuple[0], str) else img_path_or_tuple[0].path # check if either has a prompt file path_no_ext = os.path.splitext(img_path)[0] prompt_path = None prompt_path = path_no_ext + ext else: img_path = img_path_or_tuple if isinstance(img_path_or_tuple, str) else img_path_or_tuple.path # see if prompt file exists path_no_ext = os.path.splitext(img_path)[0] prompt_path = path_no_ext + ext # allow folders to have a default prompt default_prompt_path = os.path.join(os.path.dirname(img_path), 'default.txt') default_prompt_path_with_ext = os.path.join(os.path.dirname(img_path), 'default' + ext) if os.path.exists(prompt_path): with open(prompt_path, 'r', encoding='utf-8') as f: prompt = f.read() # check if is json if prompt_path.endswith('.json'): prompt = json.loads(prompt) if 'caption' in prompt: prompt = prompt['caption'] prompt = clean_caption(prompt) elif os.path.exists(default_prompt_path_with_ext): with open(default_prompt_path, 'r', encoding='utf-8') as f: prompt = f.read() prompt = clean_caption(prompt) elif os.path.exists(default_prompt_path): with open(default_prompt_path, 'r', encoding='utf-8') as f: prompt = f.read() prompt = clean_caption(prompt) else: prompt = '' # get default_prompt if it exists on the class instance if hasattr(self, 'default_prompt'): prompt = self.default_prompt if hasattr(self, 'default_caption'): prompt = self.default_caption # handle replacements replacement_list = self.dataset_config.replacements if isinstance(self.dataset_config.replacements, list) else [] for replacement in replacement_list: from_string, to_string = replacement.split('|') prompt = prompt.replace(from_string, to_string) return prompt if TYPE_CHECKING: from toolkit.config_modules import DatasetConfig from toolkit.data_transfer_object.data_loader import FileItemDTO class Bucket: def __init__(self, width: int, height: int): self.width = width self.height = height self.file_list_idx: List[int] = [] class BucketsMixin: def __init__(self): self.buckets: Dict[str, Bucket] = {} self.batch_indices: List[List[int]] = [] def build_batch_indices(self: 'AiToolkitDataset'): self.batch_indices = [] for key, bucket in self.buckets.items(): for start_idx in range(0, len(bucket.file_list_idx), self.batch_size): end_idx = min(start_idx + self.batch_size, len(bucket.file_list_idx)) batch = bucket.file_list_idx[start_idx:end_idx] self.batch_indices.append(batch) def shuffle_buckets(self: 'AiToolkitDataset'): for key, bucket in self.buckets.items(): random.shuffle(bucket.file_list_idx) def setup_buckets(self: 'AiToolkitDataset', quiet=False): if not hasattr(self, 'file_list'): raise Exception(f'file_list not found on class instance {self.__class__.__name__}') if not hasattr(self, 'dataset_config'): raise Exception(f'dataset_config not found on class instance {self.__class__.__name__}') if self.epoch_num > 0 and self.dataset_config.poi is None: # no need to rebuild buckets for now # todo handle random cropping for buckets return self.buckets = {} # clear it config: 'DatasetConfig' = self.dataset_config resolution = config.resolution bucket_tolerance = config.bucket_tolerance file_list: List['FileItemDTO'] = self.file_list # for file_item in enumerate(file_list): for idx, file_item in enumerate(file_list): file_item: 'FileItemDTO' = file_item if self.is_audio_model: bucket_key = f"{file_item.width}ms" if bucket_key not in self.buckets: self.buckets[bucket_key] = Bucket(file_item.width, 1) self.buckets[bucket_key].file_list_idx.append(idx) continue width = int(file_item.width * file_item.dataset_config.scale) height = int(file_item.height * file_item.dataset_config.scale) did_process_poi = False if file_item.has_point_of_interest: # Attempt to process the poi if we can. It wont process if the image is smaller than the resolution did_process_poi = file_item.setup_poi_bucket() if self.dataset_config.square_crop: # we scale first so smallest size matches resolution scale_factor_x = resolution / width scale_factor_y = resolution / height scale_factor = max(scale_factor_x, scale_factor_y) file_item.scale_to_width = math.ceil(width * scale_factor) file_item.scale_to_height = math.ceil(height * scale_factor) file_item.crop_width = resolution file_item.crop_height = resolution if width > height: file_item.crop_x = int(file_item.scale_to_width / 2 - resolution / 2) file_item.crop_y = 0 else: file_item.crop_x = 0 file_item.crop_y = int(file_item.scale_to_height / 2 - resolution / 2) elif not did_process_poi: bucket_resolution = get_bucket_for_image_size( width, height, resolution=resolution, divisibility=bucket_tolerance ) # Calculate scale factors for width and height width_scale_factor = bucket_resolution["width"] / width height_scale_factor = bucket_resolution["height"] / height # Use the maximum of the scale factors to ensure both dimensions are scaled above the bucket resolution max_scale_factor = max(width_scale_factor, height_scale_factor) # round up file_item.scale_to_width = int(math.ceil(width * max_scale_factor)) file_item.scale_to_height = int(math.ceil(height * max_scale_factor)) file_item.crop_height = bucket_resolution["height"] file_item.crop_width = bucket_resolution["width"] new_width = bucket_resolution["width"] new_height = bucket_resolution["height"] if self.dataset_config.random_crop: # random crop crop_x = random.randint(0, file_item.scale_to_width - new_width) crop_y = random.randint(0, file_item.scale_to_height - new_height) file_item.crop_x = crop_x file_item.crop_y = crop_y else: # do central crop file_item.crop_x = int((file_item.scale_to_width - new_width) / 2) file_item.crop_y = int((file_item.scale_to_height - new_height) / 2) if file_item.crop_y < 0 or file_item.crop_x < 0: print_acc('debug') # check if bucket exists, if not, create it bucket_key = f'{file_item.crop_width}x{file_item.crop_height}' if bucket_key not in self.buckets: self.buckets[bucket_key] = Bucket(file_item.crop_width, file_item.crop_height) self.buckets[bucket_key].file_list_idx.append(idx) # print the buckets self.shuffle_buckets() self.build_batch_indices() if not quiet: print_acc(f'Bucket sizes for {self.dataset_path}:') for key, bucket in self.buckets.items(): print_acc(f'{key}: {len(bucket.file_list_idx)} files') print_acc(f'{len(self.buckets)} buckets made') class CaptionProcessingDTOMixin: def __init__(self: 'FileItemDTO', *args, **kwargs): if hasattr(super(), '__init__'): super().__init__(*args, **kwargs) self.raw_caption: str = None self.raw_caption_short: str = None self.caption: str = None self.caption_short: str = None dataset_config: DatasetConfig = kwargs.get('dataset_config', None) self.extra_values: List[float] = dataset_config.extra_values self.trigger_word = dataset_config.trigger_word # todo allow for loading from sd-scripts style dict def load_caption(self: 'FileItemDTO', caption_dict: Union[dict, None]=None): if self.raw_caption is not None: # we already loaded it pass elif caption_dict is not None and self.path in caption_dict and "caption" in caption_dict[self.path]: self.raw_caption = caption_dict[self.path]["caption"] if 'caption_short' in caption_dict[self.path]: self.raw_caption_short = caption_dict[self.path]["caption_short"] if self.dataset_config.use_short_captions: self.raw_caption = caption_dict[self.path]["caption_short"] else: # see if prompt file exists path_no_ext = os.path.splitext(self.path)[0] prompt_ext = self.dataset_config.caption_ext prompt_path = path_no_ext + prompt_ext short_caption = None if os.path.exists(prompt_path): with open(prompt_path, 'r', encoding='utf-8') as f: prompt = f.read() short_caption = None if prompt_path.endswith('.json'): # replace any line endings with commas for \n \r \r\n prompt = prompt.replace('\r\n', ' ') prompt = prompt.replace('\n', ' ') prompt = prompt.replace('\r', ' ') prompt_json = json.loads(prompt) if 'caption' in prompt_json: prompt = prompt_json['caption'] if 'caption_short' in prompt_json: short_caption = prompt_json['caption_short'] if self.dataset_config.use_short_captions: prompt = short_caption if 'extra_values' in prompt_json: self.extra_values = prompt_json['extra_values'] prompt = clean_caption(prompt) if short_caption is not None: short_caption = clean_caption(short_caption) if prompt.strip() == '' and self.dataset_config.default_caption is not None: prompt = self.dataset_config.default_caption else: prompt = '' if self.dataset_config.default_caption is not None: prompt = self.dataset_config.default_caption if short_caption is None: short_caption = self.dataset_config.default_caption self.raw_caption = prompt self.raw_caption_short = short_caption self.caption = self.get_caption() if self.raw_caption_short is not None: self.caption_short = self.get_caption(short_caption=True) def get_caption( self: 'FileItemDTO', trigger=None, to_replace_list=None, add_if_not_present=False, short_caption=False ): if trigger is None and self.trigger_word is not None: trigger = self.trigger_word if trigger is not None and not self.is_reg: # add if not present if not regularization add_if_not_present = True if short_caption: raw_caption = self.raw_caption_short else: raw_caption = self.raw_caption if raw_caption is None: raw_caption = '' # handle dropout if self.dataset_config.caption_dropout_rate > 0 and not short_caption and not self.dataset_config.cache_text_embeddings: # get a random float form 0 to 1 rand = random.random() if rand < self.dataset_config.caption_dropout_rate: # drop the caption return '' # get tokens token_list = raw_caption.split(',') # trim whitespace token_list = [x.strip() for x in token_list] # remove empty strings token_list = [x for x in token_list if x] # handle token dropout if self.dataset_config.token_dropout_rate > 0 and not short_caption and not self.dataset_config.cache_text_embeddings: new_token_list = [] keep_tokens: int = self.dataset_config.keep_tokens for idx, token in enumerate(token_list): if idx < keep_tokens: new_token_list.append(token) elif self.dataset_config.token_dropout_rate >= 1.0: # drop the token pass else: # get a random float form 0 to 1 rand = random.random() if rand > self.dataset_config.token_dropout_rate: # keep the token new_token_list.append(token) token_list = new_token_list if self.dataset_config.shuffle_tokens: random.shuffle(token_list) # join back together caption = ', '.join(token_list) caption = inject_trigger_into_prompt(caption, trigger, to_replace_list, add_if_not_present) if self.dataset_config.random_triggers: num_triggers = self.dataset_config.random_triggers_max if num_triggers > 1: num_triggers = random.randint(0, num_triggers) if num_triggers > 0: triggers = random.sample(self.dataset_config.random_triggers, num_triggers) caption = caption + ', ' + ', '.join(triggers) # add random triggers # for i in range(num_triggers): # # fastest method # trigger = self.dataset_config.random_triggers[int(random.random() * (len(self.dataset_config.random_triggers)))] # caption = caption + ', ' + trigger if self.dataset_config.shuffle_tokens: # shuffle again token_list = caption.split(',') # trim whitespace token_list = [x.strip() for x in token_list] # remove empty strings token_list = [x for x in token_list if x] random.shuffle(token_list) caption = ', '.join(token_list) if caption == '': pass return caption class AudioProcessingDTOMixin: def load_and_process_audio(self: 'FileItemDTO'): # Default to "no audio" unless we successfully extract it self.audio_data = None self.audio_tensor = None self.tensor = None try: import torchaudio waveform, sample_rate = torchaudio.load(self.path) # [channels, samples] waveform = waveform_to_stereo(waveform) # Convert to stereo if not already if sample_rate != self.sample_rate: waveform = torchaudio.functional.resample(waveform, sample_rate, self.sample_rate) self.tensor = waveform self.audio_tensor = waveform self.audio_data = {"waveform": waveform, "sample_rate": int(self.sample_rate)} except Exception as e: # if issue with libtorchcodec "Could not load libtorchcodec" raise Exception(f"** WARNING ** - Error Processing audio for {self.path}. Error: {e}") class ImageProcessingDTOMixin: def load_and_process_video( self: 'FileItemDTO', transform: Union[None, transforms.Compose], only_load_latents=False ): if self.augments is not None and len(self.augments) > 0: raise Exception('Augments not supported for videos') if self.has_augmentations: raise Exception('Augmentations not supported for videos') if not self.dataset_config.buckets: raise Exception('Buckets required for video processing') do_audio = self.dataset_config.do_audio try: # Use OpenCV to capture video frames cap = cv2.VideoCapture(self.path) if not cap.isOpened(): raise Exception(f"Failed to open video file: {self.path}") # Get video properties total_frames = int(cap.get(cv2.CAP_PROP_FRAME_COUNT)) video_fps = cap.get(cv2.CAP_PROP_FPS) # Calculate the max valid frame index (accounting for zero-indexing) max_frame_index = total_frames - 1 # Only log video properties if in debug mode if hasattr(self.dataset_config, 'debug') and self.dataset_config.debug: print_acc(f"Video properties: {self.path}") print_acc(f" Total frames: {total_frames}") print_acc(f" Max valid frame index: {max_frame_index}") print_acc(f" FPS: {video_fps}") frames_to_extract = [] if self.dataset_config.auto_frame_count: # allow for any length video here but make sure it is temporally compressable. vid_length_seconds = total_frames / video_fps desired_num_frames = int(vid_length_seconds * self.dataset_config.fps) # make sure it is divisible by temporal_compression desired_num_frames = desired_num_frames // self.temporal_compression * self.temporal_compression # TODO, all models currently add a key frame, but future models may not, update here if this changes. desired_num_frames += 1 # add one for the key frame that is always added self.num_frames = desired_num_frames # Always stretch/shrink to the requested number of frames if needed if self.dataset_config.shrink_video_to_frames or total_frames < self.num_frames: # Distribute frames evenly across the entire video interval = max_frame_index / (self.num_frames - 1) if self.num_frames > 1 else 0 frames_to_extract = [min(int(round(i * interval)), max_frame_index) for i in range(self.num_frames)] else: # Calculate frame interval based on FPS ratio fps_ratio = video_fps / self.dataset_config.fps frame_interval = max(1, int(round(fps_ratio))) # Calculate max consecutive frames we can extract at desired FPS max_consecutive_frames = (total_frames // frame_interval) if max_consecutive_frames < self.num_frames: # Not enough frames at desired FPS, so stretch instead interval = max_frame_index / (self.num_frames - 1) if self.num_frames > 1 else 0 frames_to_extract = [min(int(round(i * interval)), max_frame_index) for i in range(self.num_frames)] else: # Calculate max start frame to ensure we can get all num_frames max_start_frame = max_frame_index - ((self.num_frames - 1) * frame_interval) start_frame = random.randint(0, max(0, max_start_frame)) # Generate list of frames to extract frames_to_extract = [start_frame + (i * frame_interval) for i in range(self.num_frames)] # Final safety check - ensure no frame exceeds max valid index frames_to_extract = [min(frame_idx, max_frame_index) for frame_idx in frames_to_extract] # Only log frames to extract if in debug mode if hasattr(self.dataset_config, 'debug') and self.dataset_config.debug: print_acc(f" Frames to extract: {frames_to_extract}") # Extract frames frames = [] for frame_idx in frames_to_extract: # Safety check - ensure frame_idx is within bounds (silently fix) if frame_idx > max_frame_index: frame_idx = max_frame_index # Set frame position cap.set(cv2.CAP_PROP_POS_FRAMES, frame_idx) # Silently verify position was set correctly (no warnings unless debug mode) if hasattr(self.dataset_config, 'debug') and self.dataset_config.debug: actual_pos = int(cap.get(cv2.CAP_PROP_POS_FRAMES)) if actual_pos != frame_idx: print_acc(f"Warning: Failed to set exact frame position. Requested: {frame_idx}, Actual: {actual_pos}") ret, frame = cap.read() if not ret: # Try to provide more detailed error information actual_frame = int(cap.get(cv2.CAP_PROP_POS_FRAMES)) frame_pos_info = f"Requested frame: {frame_idx}, Actual frame position: {actual_frame}" # Try to read the next available frame as a fallback fallback_success = False for fallback_offset in [1, -1, 5, -5, 10, -10]: fallback_pos = max(0, min(frame_idx + fallback_offset, max_frame_index)) cap.set(cv2.CAP_PROP_POS_FRAMES, fallback_pos) fallback_ret, fallback_frame = cap.read() if fallback_ret: # Only log in debug mode if hasattr(self.dataset_config, 'debug') and self.dataset_config.debug: print_acc(f"Falling back to nearby frame {fallback_pos} instead of {frame_idx}") frame = fallback_frame fallback_success = True break else: # No fallback worked, raise a more detailed exception video_info = f"Video: {self.path}, Total frames: {total_frames}, FPS: {video_fps}" raise Exception(f"Failed to read frame {frame_idx} from video. {frame_pos_info}. {video_info}") # Convert BGR to RGB frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB) # Convert to PIL Image img = Image.fromarray(frame) # Apply the same processing as for single images img = img.convert('RGB') if self.flip_x: img = img.transpose(Image.FLIP_LEFT_RIGHT) if self.flip_y: img = img.transpose(Image.FLIP_TOP_BOTTOM) # Apply bucketing img = img.resize((self.scale_to_width, self.scale_to_height), Image.BICUBIC) img = img.crop(( self.crop_x, self.crop_y, self.crop_x + self.crop_width, self.crop_y + self.crop_height )) # Apply transform if provided if transform: img = transform(img) frames.append(img) # Release the video capture cap.release() # Stack frames into tensor [frames, channels, height, width] self.tensor = torch.stack(frames) # ------------------------------ # Audio extraction + stretching # ------------------------------ if do_audio: # Default to "no audio" unless we successfully extract it self.audio_data = None self.audio_tensor = None try: import torchaudio import torch.nn.functional as F # Compute the time range of the selected frames in the *source* video # Include the last frame by extending to the next frame boundary. if video_fps and video_fps > 0 and len(frames_to_extract) > 0: clip_start_frame = int(frames_to_extract[0]) clip_end_frame = int(frames_to_extract[-1]) clip_start_time = clip_start_frame / float(video_fps) clip_end_time = (clip_end_frame + 1) / float(video_fps) source_duration = max(0.0, clip_end_time - clip_start_time) else: clip_start_time = 0.0 clip_end_time = 0.0 source_duration = 0.0 # Target duration is how this sampled/stretched clip is interpreted for training # (i.e. num_frames at the configured dataset FPS). if hasattr(self.dataset_config, "fps") and self.dataset_config.fps and self.dataset_config.fps > 0: target_duration = float(self.num_frames) / float(self.dataset_config.fps) else: target_duration = source_duration waveform, sample_rate = torchaudio.load(self.path) # [channels, samples] waveform = waveform_to_stereo(waveform) # Convert to stereo if not already if self.dataset_config.audio_normalize: peak = waveform.abs().amax() # global peak across channels eps = 1e-9 target_peak = 0.999 # ~ -0.01 dBFS gain = target_peak / (peak + eps) waveform = waveform * gain # Slice to the selected clip region (when we have a meaningful time range) if source_duration > 0.0: start_sample = int(round(clip_start_time * sample_rate)) end_sample = int(round(clip_end_time * sample_rate)) start_sample = max(0, min(start_sample, waveform.shape[-1])) end_sample = max(0, min(end_sample, waveform.shape[-1])) if end_sample > start_sample: waveform = waveform[..., start_sample:end_sample] else: # No valid audio segment waveform = None else: # If we can't compute a meaningful time range, treat as no-audio waveform = None if waveform is not None and waveform.numel() > 0: target_samples = int(round(target_duration * sample_rate)) if target_samples > 0 and waveform.shape[-1] != target_samples: # Time-stretch/shrink to match the video clip duration implied by dataset FPS. if self.dataset_config.audio_preserve_pitch: waveform = time_stretch_preserve_pitch(waveform, sample_rate, target_samples) # waveform is [C, L] else: # Use linear interpolation over the time axis. wf = waveform.unsqueeze(0) # [1, C, L] wf = F.interpolate(wf, size=target_samples, mode="linear", align_corners=False) waveform = wf.squeeze(0) # [C, L] self.audio_tensor = waveform self.audio_data = {"waveform": waveform, "sample_rate": int(sample_rate)} except Exception as e: # if issue with libtorchcodec "Could not load libtorchcodec" raise Exception(f"** WARNING ** - Error Processing audio for {self.path}. Error: {e}") # Only log success in debug mode if hasattr(self.dataset_config, 'debug') and self.dataset_config.debug: print_acc(f"Successfully loaded video with {len(frames)} frames: {self.path}") except Exception as e: # Print full traceback traceback.print_exc() # Provide more context about the error error_msg = str(e) try: if 'Failed to read frame' in error_msg and cap is not None: # Try to get more info about the video that failed cap_status = "Opened" if cap.isOpened() else "Closed" current_pos = int(cap.get(cv2.CAP_PROP_POS_FRAMES)) if cap.isOpened() else "Unknown" reported_total = int(cap.get(cv2.CAP_PROP_FRAME_COUNT)) if cap.isOpened() else "Unknown" print_acc(f"Video details when error occurred:") print_acc(f" Cap status: {cap_status}") print_acc(f" Current position: {current_pos}") print_acc(f" Reported total frames: {reported_total}") # Try to verify if the video is corrupted if cap.isOpened(): cap.set(cv2.CAP_PROP_POS_FRAMES, 0) # Go to start start_ret, _ = cap.read() # Try to read the last frame to check if it's accessible if reported_total > 0: cap.set(cv2.CAP_PROP_POS_FRAMES, reported_total - 1) end_ret, _ = cap.read() print_acc(f" Can read first frame: {start_ret}, Can read last frame: {end_ret}") # Close the cap if it's still open cap.release() except Exception as debug_err: print_acc(f"Error during error diagnosis: {debug_err}") print_acc(f"Error: {error_msg}") print_acc(f"Error loading video: {self.path}") # Re-raise with more detailed information raise Exception(f"Video loading error ({self.path}): {error_msg}") from e def load_and_process_image( self: 'FileItemDTO', transform: Union[None, transforms.Compose], only_load_latents=False ): # handle get_prompt_embedding if self.is_text_embedding_cached: self.load_prompt_embedding() # if we are caching latents, just do that if self.is_latent_cached: self.get_latent() if self.has_control_image: self.load_control_image() if self.has_inpaint_image: self.load_inpaint_image() if self.has_clip_image: self.load_clip_image() if self.has_mask_image: self.load_mask_image() if self.has_unconditional: self.load_unconditional_image() return if self.is_audio_model: self.load_and_process_audio() return if self.dataset_config.num_frames > 1 or self.dataset_config.auto_frame_count: self.load_and_process_video(transform, only_load_latents) return try: img = Image.open(self.path) img = exif_transpose(img) except Exception as e: print_acc(f"Error: {e}") print_acc(f"Error loading image: {self.path}") if self.use_alpha_as_mask: # we do this to make sure it does not replace the alpha with another color # we want the image just without the alpha channel np_img = np.array(img) # strip off alpha np_img = np_img[:, :, :3] img = Image.fromarray(np_img) img = img.convert('RGB') w, h = img.size if w > h and self.scale_to_width < self.scale_to_height: # throw error, they should match print_acc( f"unexpected values: w={w}, h={h}, file_item.scale_to_width={self.scale_to_width}, file_item.scale_to_height={self.scale_to_height}, file_item.path={self.path}") elif h > w and self.scale_to_height < self.scale_to_width: # throw error, they should match print_acc( f"unexpected values: w={w}, h={h}, file_item.scale_to_width={self.scale_to_width}, file_item.scale_to_height={self.scale_to_height}, file_item.path={self.path}") if self.flip_x: # do a flip img = img.transpose(Image.FLIP_LEFT_RIGHT) if self.flip_y: # do a flip img = img.transpose(Image.FLIP_TOP_BOTTOM) if self.dataset_config.buckets: # scale and crop based on file item img = img.resize((self.scale_to_width, self.scale_to_height), Image.BICUBIC) # crop to x_crop, y_crop, x_crop + crop_width, y_crop + crop_height if img.width < self.crop_x + self.crop_width or img.height < self.crop_y + self.crop_height: # todo look into this. This still happens sometimes print_acc('size mismatch') img = img.crop(( self.crop_x, self.crop_y, self.crop_x + self.crop_width, self.crop_y + self.crop_height )) # img = transforms.CenterCrop((self.crop_height, self.crop_width))(img) else: # Downscale the source image first # TODO this is nto right img = img.resize( (int(img.size[0] * self.dataset_config.scale), int(img.size[1] * self.dataset_config.scale)), Image.BICUBIC) min_img_size = min(img.size) if self.dataset_config.random_crop: if self.dataset_config.random_scale and min_img_size > self.dataset_config.resolution: if min_img_size < self.dataset_config.resolution: print_acc( f"Unexpected values: min_img_size={min_img_size}, self.resolution={self.dataset_config.resolution}, image file={self.path}") scale_size = self.dataset_config.resolution else: scale_size = random.randint(self.dataset_config.resolution, int(min_img_size)) scaler = scale_size / min_img_size scale_width = int((img.width + 5) * scaler) scale_height = int((img.height + 5) * scaler) img = img.resize((scale_width, scale_height), Image.BICUBIC) img = transforms.RandomCrop(self.dataset_config.resolution)(img) else: img = transforms.CenterCrop(min_img_size)(img) img = img.resize((self.dataset_config.resolution, self.dataset_config.resolution), Image.BICUBIC) if self.augments is not None and len(self.augments) > 0: # do augmentations for augment in self.augments: if augment in transforms_dict: img = transforms_dict[augment](img) if self.has_augmentations: # augmentations handles transforms img = self.augment_image(img, transform=transform) elif transform: img = transform(img) self.tensor = img if not only_load_latents: if self.has_control_image: self.load_control_image() if self.has_inpaint_image: self.load_inpaint_image() if self.has_clip_image: self.load_clip_image() if self.has_mask_image: self.load_mask_image() if self.has_unconditional: self.load_unconditional_image() class InpaintControlFileItemDTOMixin: def __init__(self: 'FileItemDTO', *args, **kwargs): if hasattr(super(), '__init__'): super().__init__(*args, **kwargs) self.has_inpaint_image = False self.inpaint_path: Union[str, None] = None self.inpaint_tensor: Union[torch.Tensor, None] = None dataset_config: 'DatasetConfig' = kwargs.get('dataset_config', None) if dataset_config.inpaint_path is not None: # find the control image path inpaint_path = dataset_config.inpaint_path # we are using control images img_path = kwargs.get('path', None) img_inpaint_ext_list = ['.png', '.webp'] file_name_no_ext = os.path.splitext(os.path.basename(img_path))[0] for ext in img_inpaint_ext_list: p = os.path.join(inpaint_path, file_name_no_ext + ext) if os.path.exists(p): self.inpaint_path = p self.has_inpaint_image = True break def load_inpaint_image(self: 'FileItemDTO'): try: # image must have alpha channel for inpaint img = Image.open(self.inpaint_path) # make sure has aplha if img.mode != 'RGBA': return img = exif_transpose(img) w, h = img.size if w > h and self.scale_to_width < self.scale_to_height: # throw error, they should match raise ValueError( f"unexpected values: w={w}, h={h}, file_item.scale_to_width={self.scale_to_width}, file_item.scale_to_height={self.scale_to_height}, file_item.path={self.path}") elif h > w and self.scale_to_height < self.scale_to_width: # throw error, they should match raise ValueError( f"unexpected values: w={w}, h={h}, file_item.scale_to_width={self.scale_to_width}, file_item.scale_to_height={self.scale_to_height}, file_item.path={self.path}") if self.flip_x: # do a flip img = img.transpose(Image.FLIP_LEFT_RIGHT) if self.flip_y: # do a flip img = img.transpose(Image.FLIP_TOP_BOTTOM) if self.dataset_config.buckets: # scale and crop based on file item img = img.resize((self.scale_to_width, self.scale_to_height), Image.BICUBIC) # img = transforms.CenterCrop((self.crop_height, self.crop_width))(img) # crop img = img.crop(( self.crop_x, self.crop_y, self.crop_x + self.crop_width, self.crop_y + self.crop_height )) else: raise Exception("Inpaint images not supported for non-bucket datasets") transform = transforms.Compose([ transforms.ToTensor(), ]) if self.aug_replay_spatial_transforms: tensor = self.augment_spatial_control(img, transform=transform) else: tensor = transform(img) # is 0 to 1 with alpha self.inpaint_tensor = tensor except Exception as e: print_acc(f"Error: {e}") print_acc(f"Error loading image: {self.inpaint_path}") def cleanup_inpaint(self: 'FileItemDTO'): self.inpaint_tensor = None class ControlFileItemDTOMixin: def __init__(self: 'FileItemDTO', *args, **kwargs): if hasattr(super(), '__init__'): super().__init__(*args, **kwargs) self.has_control_image = False self.control_path: Union[str, List[str], None] = None self.control_tensor: Union[torch.Tensor, None] = None self.control_tensor_list: Union[List[torch.Tensor], None] = None sd = kwargs.get('sd', None) self.use_raw_control_images = sd is not None and sd.use_raw_control_images dataset_config: 'DatasetConfig' = kwargs.get('dataset_config', None) self.full_size_control_images = False if dataset_config.control_path is not None: # find the control image path control_path_list = dataset_config.control_path if not isinstance(control_path_list, list): control_path_list = [control_path_list] self.full_size_control_images = dataset_config.full_size_control_images # we are using control images img_path = kwargs.get('path', None) file_name_no_ext = os.path.splitext(os.path.basename(img_path))[0] found_control_images = [] for control_path in control_path_list: for ext in img_ext_list: if os.path.exists(os.path.join(control_path, file_name_no_ext + ext)): found_control_images.append(os.path.join(control_path, file_name_no_ext + ext)) self.has_control_image = True break self.control_path = found_control_images if len(self.control_path) == 0: self.control_path = None elif len(self.control_path) == 1: # only do one self.control_path = self.control_path[0] def load_control_image(self: 'FileItemDTO'): control_tensors = [] control_path_list = self.control_path if not isinstance(self.control_path, list): control_path_list = [self.control_path] for control_path in control_path_list: try: img = Image.open(control_path) img = exif_transpose(img) if img.mode in ("RGBA", "LA"): # Create a background with the specified transparent color transparent_color = tuple(self.dataset_config.control_transparent_color) background = Image.new("RGB", img.size, transparent_color) # Paste the image on top using its alpha channel as mask background.paste(img, mask=img.getchannel("A")) img = background else: # Already no alpha channel img = img.convert("RGB") except Exception as e: print_acc(f"Error: {e}") print_acc(f"Error loading image: {control_path}") if not self.full_size_control_images: # we just scale them to 512x512: w, h = img.size img = img.resize((512, 512), Image.BICUBIC) elif not self.use_raw_control_images: w, h = img.size if self.flip_x: # do a flip img = img.transpose(Image.FLIP_LEFT_RIGHT) if self.flip_y: # do a flip img = img.transpose(Image.FLIP_TOP_BOTTOM) if self.dataset_config.buckets: # scale and crop based on file item img = img.resize((self.scale_to_width, self.scale_to_height), Image.BICUBIC) # img = transforms.CenterCrop((self.crop_height, self.crop_width))(img) # crop img = img.crop(( self.crop_x, self.crop_y, self.crop_x + self.crop_width, self.crop_y + self.crop_height )) else: raise Exception("Control images not supported for non-bucket datasets") transform = transforms.Compose([ transforms.ToTensor(), ]) if self.aug_replay_spatial_transforms: tensor = self.augment_spatial_control(img, transform=transform) else: tensor = transform(img) control_tensors.append(tensor) if len(control_tensors) == 0: self.control_tensor = None elif len(control_tensors) == 1: self.control_tensor = control_tensors[0] elif self.use_raw_control_images: # just send the list of tensors as their shapes wont match self.control_tensor_list = control_tensors else: self.control_tensor = torch.stack(control_tensors, dim=0) def cleanup_control(self: 'FileItemDTO'): self.control_tensor = None self.control_tensor_list = None class ClipImageFileItemDTOMixin: def __init__(self: 'FileItemDTO', *args, **kwargs): if hasattr(super(), '__init__'): super().__init__(*args, **kwargs) self.has_clip_image = False self.clip_image_path: Union[str, None] = None self.clip_image_tensor: Union[torch.Tensor, None] = None self.clip_image_embeds: Union[dict, None] = None self.clip_image_embeds_unconditional: Union[dict, None] = None self.has_clip_augmentations = False self.clip_image_aug_transform: Union[None, A.Compose] = None self.clip_image_processor: Union[None, CLIPImageProcessor] = None self.clip_image_encoder_path: Union[str, None] = None self.is_caching_clip_vision_to_disk = False self.is_vision_clip_cached = False self.clip_vision_is_quad = False self.clip_vision_load_device = 'cpu' self.clip_vision_unconditional_paths: Union[List[str], None] = None self._clip_vision_embeddings_path: Union[str, None] = None dataset_config: 'DatasetConfig' = kwargs.get('dataset_config', None) if dataset_config.clip_image_path is not None or dataset_config.clip_image_from_same_folder: # copy the clip image processor so the dataloader can do it sd = kwargs.get('sd', None) if hasattr(sd.adapter, 'clip_image_processor'): self.clip_image_processor = sd.adapter.clip_image_processor if dataset_config.clip_image_path is not None: # find the control image path clip_image_path = dataset_config.clip_image_path # we are using control images img_path = kwargs.get('path', None) file_name_no_ext = os.path.splitext(os.path.basename(img_path))[0] for ext in img_ext_list: if os.path.exists(os.path.join(clip_image_path, file_name_no_ext + ext)): self.clip_image_path = os.path.join(clip_image_path, file_name_no_ext + ext) self.has_clip_image = True break self.build_clip_imag_augmentation_transform() if dataset_config.clip_image_from_same_folder: # assume we have one. We will pull it on load. self.has_clip_image = True self.build_clip_imag_augmentation_transform() def build_clip_imag_augmentation_transform(self: 'FileItemDTO'): if self.dataset_config.clip_image_augmentations is not None and len(self.dataset_config.clip_image_augmentations) > 0: self.has_clip_augmentations = True augmentations = [Augments(**aug) for aug in self.dataset_config.clip_image_augmentations] if self.dataset_config.clip_image_shuffle_augmentations: random.shuffle(augmentations) augmentation_list = [] for aug in augmentations: # make sure method name is valid assert hasattr(A, aug.method_name), f"invalid augmentation method: {aug.method_name}" # get the method method = getattr(A, aug.method_name) # add the method to the list augmentation_list.append(method(**aug.params)) self.clip_image_aug_transform = A.Compose(augmentation_list) def augment_clip_image(self: 'FileItemDTO', img: Image, transform: Union[None, transforms.Compose], ): if self.dataset_config.clip_image_shuffle_augmentations: self.build_clip_imag_augmentation_transform() open_cv_image = np.array(img) # Convert RGB to BGR open_cv_image = open_cv_image[:, :, ::-1].copy() if self.clip_vision_is_quad: # image is in a 2x2 gris. split, run augs, and recombine # split img1, img2 = np.hsplit(open_cv_image, 2) img1_1, img1_2 = np.vsplit(img1, 2) img2_1, img2_2 = np.vsplit(img2, 2) # apply augmentations img1_1 = self.clip_image_aug_transform(image=img1_1)["image"] img1_2 = self.clip_image_aug_transform(image=img1_2)["image"] img2_1 = self.clip_image_aug_transform(image=img2_1)["image"] img2_2 = self.clip_image_aug_transform(image=img2_2)["image"] # recombine augmented = np.vstack((np.hstack((img1_1, img1_2)), np.hstack((img2_1, img2_2)))) else: # apply augmentations augmented = self.clip_image_aug_transform(image=open_cv_image)["image"] # convert back to RGB tensor augmented = cv2.cvtColor(augmented, cv2.COLOR_BGR2RGB) # convert to PIL image augmented = Image.fromarray(augmented) augmented_tensor = transforms.ToTensor()(augmented) if transform is None else transform(augmented) return augmented_tensor def get_clip_vision_info_dict(self: 'FileItemDTO'): item = OrderedDict([ ("image_encoder_path", self.clip_image_encoder_path), ("filename", os.path.basename(self.clip_image_path)), ("is_quad", self.clip_vision_is_quad) ]) # when adding items, do it after so we dont change old latents if self.flip_x: item["flip_x"] = True if self.flip_y: item["flip_y"] = True return item def get_clip_vision_embeddings_path(self: 'FileItemDTO', recalculate=False): if self._clip_vision_embeddings_path is not None and not recalculate: return self._clip_vision_embeddings_path else: # we store latents in a folder in same path as image called _latent_cache img_dir = os.path.dirname(self.clip_image_path) latent_dir = os.path.join(img_dir, '_clip_vision_cache') hash_dict = self.get_clip_vision_info_dict() filename_no_ext = os.path.splitext(os.path.basename(self.clip_image_path))[0] # get base64 hash of md5 checksum of hash_dict hash_input = json.dumps(hash_dict, sort_keys=True).encode('utf-8') hash_str = base64.urlsafe_b64encode(hashlib.md5(hash_input).digest()).decode('ascii') hash_str = hash_str.replace('=', '') self._clip_vision_embeddings_path = os.path.join(latent_dir, f'{filename_no_ext}_{hash_str}.safetensors') return self._clip_vision_embeddings_path def get_new_clip_image_path(self: 'FileItemDTO'): if self.dataset_config.clip_image_from_same_folder: # randomly grab an image path from the same folder pool_folder = os.path.dirname(self.path) # find all images in the folder img_files = [] for ext in img_ext_list: img_files += glob.glob(os.path.join(pool_folder, f'*{ext}')) # remove the current image if len is greater than 1 if len(img_files) > 1: img_files.remove(self.path) # randomly grab one return random.choice(img_files) else: return self.clip_image_path def load_clip_image(self: 'FileItemDTO'): is_dynamic_size_and_aspect = isinstance(self.clip_image_processor, PixtralVisionImagePreprocessorCompatible) or \ isinstance(self.clip_image_processor, SiglipImageProcessor) if self.clip_image_processor is None: is_dynamic_size_and_aspect = True # serving it raw if self.is_vision_clip_cached: self.clip_image_embeds = load_file(self.get_clip_vision_embeddings_path()) # get a random unconditional image if self.clip_vision_unconditional_paths is not None: unconditional_path = random.choice(self.clip_vision_unconditional_paths) self.clip_image_embeds_unconditional = load_file(unconditional_path) return clip_image_path = self.get_new_clip_image_path() try: img = Image.open(clip_image_path).convert('RGB') img = exif_transpose(img) except Exception as e: # make a random noise image img = Image.new('RGB', (self.dataset_config.resolution, self.dataset_config.resolution)) print_acc(f"Error: {e}") print_acc(f"Error loading image: {clip_image_path}") img = img.convert('RGB') if self.flip_x: # do a flip img = img.transpose(Image.FLIP_LEFT_RIGHT) if self.flip_y: # do a flip img = img.transpose(Image.FLIP_TOP_BOTTOM) if is_dynamic_size_and_aspect: pass # let the image processor handle it elif img.width != img.height: min_size = min(img.width, img.height) if self.dataset_config.square_crop: # center crop to a square img = transforms.CenterCrop(min_size)(img) else: # image must be square. If it is not, we will resize/squish it so it is, that way we don't crop out data # resize to the smallest dimension img = img.resize((min_size, min_size), Image.BICUBIC) if self.has_clip_augmentations: self.clip_image_tensor = self.augment_clip_image(img, transform=None) else: self.clip_image_tensor = transforms.ToTensor()(img) # random crop # if self.dataset_config.clip_image_random_crop: # # crop up to 20% on all sides. Keep is square # crop_percent = random.randint(0, 20) / 100 # crop_width = int(self.clip_image_tensor.shape[2] * crop_percent) # crop_height = int(self.clip_image_tensor.shape[1] * crop_percent) # crop_left = random.randint(0, crop_width) # crop_top = random.randint(0, crop_height) # crop_right = self.clip_image_tensor.shape[2] - crop_width - crop_left # crop_bottom = self.clip_image_tensor.shape[1] - crop_height - crop_top # if len(self.clip_image_tensor.shape) == 3: # self.clip_image_tensor = self.clip_image_tensor[:, crop_top:-crop_bottom, crop_left:-crop_right] # elif len(self.clip_image_tensor.shape) == 4: # self.clip_image_tensor = self.clip_image_tensor[:, :, crop_top:-crop_bottom, crop_left:-crop_right] if self.clip_image_processor is not None: # run it tensors_0_1 = self.clip_image_tensor.to(dtype=torch.float16) clip_out = self.clip_image_processor( images=tensors_0_1, return_tensors="pt", do_resize=True, do_rescale=False, ).pixel_values self.clip_image_tensor = clip_out.squeeze(0).clone().detach() def cleanup_clip_image(self: 'FileItemDTO'): self.clip_image_tensor = None self.clip_image_embeds = None class AugmentationFileItemDTOMixin: def __init__(self: 'FileItemDTO', *args, **kwargs): if hasattr(super(), '__init__'): super().__init__(*args, **kwargs) self.has_augmentations = False self.unaugmented_tensor: Union[torch.Tensor, None] = None # self.augmentations: Union[None, List[Augments]] = None self.dataset_config: 'DatasetConfig' = kwargs.get('dataset_config', None) self.aug_transform: Union[None, A.Compose] = None self.aug_replay_spatial_transforms = None self.build_augmentation_transform() def build_augmentation_transform(self: 'FileItemDTO'): if self.dataset_config.augmentations is not None and len(self.dataset_config.augmentations) > 0: self.has_augmentations = True augmentations = [Augments(**aug) for aug in self.dataset_config.augmentations] if self.dataset_config.shuffle_augmentations: random.shuffle(augmentations) augmentation_list = [] for aug in augmentations: # make sure method name is valid assert hasattr(A, aug.method_name), f"invalid augmentation method: {aug.method_name}" # get the method method = getattr(A, aug.method_name) # add the method to the list augmentation_list.append(method(**aug.params)) # add additional targets so we can augment the control image self.aug_transform = A.ReplayCompose(augmentation_list, additional_targets={'image2': 'image'}) def augment_image(self: 'FileItemDTO', img: Image, transform: Union[None, transforms.Compose], ): # rebuild each time if shuffle if self.dataset_config.shuffle_augmentations: self.build_augmentation_transform() # save the original tensor self.unaugmented_tensor = transforms.ToTensor()(img) if transform is None else transform(img) open_cv_image = np.array(img) # Convert RGB to BGR open_cv_image = open_cv_image[:, :, ::-1].copy() # apply augmentations transformed = self.aug_transform(image=open_cv_image) augmented = transformed["image"] # save just the spatial transforms for controls and masks augmented_params = transformed["replay"] spatial_transforms = ['Rotate', 'Flip', 'HorizontalFlip', 'VerticalFlip', 'Resize', 'Crop', 'RandomCrop', 'ElasticTransform', 'GridDistortion', 'OpticalDistortion'] # only store the spatial transforms augmented_params['transforms'] = [t for t in augmented_params['transforms'] if t['__class_fullname__'].split('.')[-1] in spatial_transforms] if self.dataset_config.replay_transforms: self.aug_replay_spatial_transforms = augmented_params # convert back to RGB tensor augmented = cv2.cvtColor(augmented, cv2.COLOR_BGR2RGB) # convert to PIL image augmented = Image.fromarray(augmented) augmented_tensor = transforms.ToTensor()(augmented) if transform is None else transform(augmented) return augmented_tensor # augment control images spatially consistent with transforms done to the main image def augment_spatial_control(self: 'FileItemDTO', img: Image, transform: Union[None, transforms.Compose] ): if self.aug_replay_spatial_transforms is None: # no transforms return transform(img) # save colorspace to convert back to colorspace = img.mode # convert to rgb img = img.convert('RGB') open_cv_image = np.array(img) # Convert RGB to BGR open_cv_image = open_cv_image[:, :, ::-1].copy() # Replay transforms transformed = A.ReplayCompose.replay(self.aug_replay_spatial_transforms, image=open_cv_image) augmented = transformed["image"] # convert back to RGB tensor augmented = cv2.cvtColor(augmented, cv2.COLOR_BGR2RGB) # convert to PIL image augmented = Image.fromarray(augmented) # convert back to original colorspace augmented = augmented.convert(colorspace) augmented_tensor = transforms.ToTensor()(augmented) if transform is None else transform(augmented) return augmented_tensor def cleanup_control(self: 'FileItemDTO'): self.unaugmented_tensor = None class MaskFileItemDTOMixin: def __init__(self: 'FileItemDTO', *args, **kwargs): if hasattr(super(), '__init__'): super().__init__(*args, **kwargs) self.has_mask_image = False self.mask_path: Union[str, None] = None self.mask_tensor: Union[torch.Tensor, None] = None self.use_alpha_as_mask: bool = False dataset_config: 'DatasetConfig' = kwargs.get('dataset_config', None) self.mask_min_value = dataset_config.mask_min_value if dataset_config.alpha_mask: self.use_alpha_as_mask = True self.mask_path = kwargs.get('path', None) self.has_mask_image = True elif dataset_config.mask_path is not None: # find the control image path mask_path = dataset_config.mask_path if dataset_config.mask_path is not None else dataset_config.alpha_mask # we are using control images img_path = kwargs.get('path', None) file_name_no_ext = os.path.splitext(os.path.basename(img_path))[0] for ext in img_ext_list: if os.path.exists(os.path.join(mask_path, file_name_no_ext + ext)): self.mask_path = os.path.join(mask_path, file_name_no_ext + ext) self.has_mask_image = True break def load_mask_image(self: 'FileItemDTO'): try: img = Image.open(self.mask_path) img = exif_transpose(img) except Exception as e: print_acc(f"Error: {e}") print_acc(f"Error loading image: {self.mask_path}") if self.use_alpha_as_mask: # pipeline expectws an rgb image so we need to put alpha in all channels np_img = np.array(img) np_img[:, :, :3] = np_img[:, :, 3:] np_img = np_img[:, :, :3] img = Image.fromarray(np_img) img = img.convert('RGB') if self.dataset_config.invert_mask: img = ImageOps.invert(img) w, h = img.size fix_size = False if w > h and self.scale_to_width < self.scale_to_height: # throw error, they should match print_acc(f"unexpected values: w={w}, h={h}, file_item.scale_to_width={self.scale_to_width}, file_item.scale_to_height={self.scale_to_height}, file_item.path={self.path}") fix_size = True elif h > w and self.scale_to_height < self.scale_to_width: # throw error, they should match print_acc(f"unexpected values: w={w}, h={h}, file_item.scale_to_width={self.scale_to_width}, file_item.scale_to_height={self.scale_to_height}, file_item.path={self.path}") fix_size = True if fix_size: # swap all the sizes self.scale_to_width, self.scale_to_height = self.scale_to_height, self.scale_to_width self.crop_width, self.crop_height = self.crop_height, self.crop_width self.crop_x, self.crop_y = self.crop_y, self.crop_x if self.flip_x: # do a flip img = img.transpose(Image.FLIP_LEFT_RIGHT) if self.flip_y: # do a flip img = img.transpose(Image.FLIP_TOP_BOTTOM) # randomly apply a blur up to 0.5% of the size of the min (width, height) min_size = min(img.width, img.height) blur_radius = int(min_size * random.random() * 0.005) img = img.filter(ImageFilter.GaussianBlur(radius=blur_radius)) # make grayscale img = img.convert('L') if self.dataset_config.buckets: # scale and crop based on file item img = img.resize((self.scale_to_width, self.scale_to_height), Image.BICUBIC) # img = transforms.CenterCrop((self.crop_height, self.crop_width))(img) # crop img = img.crop(( self.crop_x, self.crop_y, self.crop_x + self.crop_width, self.crop_y + self.crop_height )) else: raise Exception("Mask images not supported for non-bucket datasets") transform = transforms.Compose([ transforms.ToTensor(), ]) if self.aug_replay_spatial_transforms: self.mask_tensor = self.augment_spatial_control(img, transform=transform) else: self.mask_tensor = transform(img) self.mask_tensor = value_map(self.mask_tensor, 0, 1.0, self.mask_min_value, 1.0) # convert to grayscale def cleanup_mask(self: 'FileItemDTO'): self.mask_tensor = None class UnconditionalFileItemDTOMixin: def __init__(self: 'FileItemDTO', *args, **kwargs): if hasattr(super(), '__init__'): super().__init__(*args, **kwargs) self.has_unconditional = False self.unconditional_path: Union[str, None] = None self.unconditional_tensor: Union[torch.Tensor, None] = None self.unconditional_latent: Union[torch.Tensor, None] = None self.unconditional_transforms = self.dataloader_transforms dataset_config: 'DatasetConfig' = kwargs.get('dataset_config', None) if dataset_config.unconditional_path is not None: # we are using control images img_path = kwargs.get('path', None) file_name_no_ext = os.path.splitext(os.path.basename(img_path))[0] for ext in img_ext_list: if os.path.exists(os.path.join(dataset_config.unconditional_path, file_name_no_ext + ext)): self.unconditional_path = os.path.join(dataset_config.unconditional_path, file_name_no_ext + ext) self.has_unconditional = True break def load_unconditional_image(self: 'FileItemDTO'): try: img = Image.open(self.unconditional_path) img = exif_transpose(img) except Exception as e: print_acc(f"Error: {e}") print_acc(f"Error loading image: {self.mask_path}") img = img.convert('RGB') w, h = img.size if w > h and self.scale_to_width < self.scale_to_height: # throw error, they should match raise ValueError( f"unexpected values: w={w}, h={h}, file_item.scale_to_width={self.scale_to_width}, file_item.scale_to_height={self.scale_to_height}, file_item.path={self.path}") elif h > w and self.scale_to_height < self.scale_to_width: # throw error, they should match raise ValueError( f"unexpected values: w={w}, h={h}, file_item.scale_to_width={self.scale_to_width}, file_item.scale_to_height={self.scale_to_height}, file_item.path={self.path}") if self.flip_x: # do a flip img = img.transpose(Image.FLIP_LEFT_RIGHT) if self.flip_y: # do a flip img = img.transpose(Image.FLIP_TOP_BOTTOM) if self.dataset_config.buckets: # scale and crop based on file item img = img.resize((self.scale_to_width, self.scale_to_height), Image.BICUBIC) # img = transforms.CenterCrop((self.crop_height, self.crop_width))(img) # crop img = img.crop(( self.crop_x, self.crop_y, self.crop_x + self.crop_width, self.crop_y + self.crop_height )) else: raise Exception("Unconditional images are not supported for non-bucket datasets") if self.aug_replay_spatial_transforms: self.unconditional_tensor = self.augment_spatial_control(img, transform=self.unconditional_transforms) else: self.unconditional_tensor = self.unconditional_transforms(img) def cleanup_unconditional(self: 'FileItemDTO'): self.unconditional_tensor = None self.unconditional_latent = None class PoiFileItemDTOMixin: # Point of interest bounding box. Allows for dynamic cropping without cropping out the main subject # items in the poi will always be inside the image when random cropping def __init__(self: 'FileItemDTO', *args, **kwargs): if hasattr(super(), '__init__'): super().__init__(*args, **kwargs) # poi is a name of the box point of interest in the caption json file dataset_config = kwargs.get('dataset_config', None) path = kwargs.get('path', None) self.poi: Union[str, None] = dataset_config.poi self.has_point_of_interest = self.poi is not None self.poi_x: Union[int, None] = None self.poi_y: Union[int, None] = None self.poi_width: Union[int, None] = None self.poi_height: Union[int, None] = None if self.poi is not None: # make sure latent caching is off if dataset_config.cache_latents or dataset_config.cache_latents_to_disk: raise Exception( f"Error: poi is not supported when caching latents. Please set cache_latents and cache_latents_to_disk to False in the dataset config" ) # make sure we are loading through json if dataset_config.caption_ext != 'json': raise Exception( f"Error: poi is only supported when using json captions. Please set caption_ext to json in the dataset config" ) self.poi = self.poi.strip() # get the caption path file_path_no_ext = os.path.splitext(path)[0] caption_path = file_path_no_ext + '.json' if not os.path.exists(caption_path): raise Exception(f"Error: caption file not found for poi: {caption_path}") with open(caption_path, 'r', encoding='utf-8') as f: json_data = json.load(f) if 'poi' not in json_data: print_acc(f"Warning: poi not found in caption file: {caption_path}") if self.poi not in json_data['poi']: print_acc(f"Warning: poi not found in caption file: {caption_path}") # poi has, x, y, width, height # do full image if no poi self.poi_x = 0 self.poi_y = 0 self.poi_width = self.width self.poi_height = self.height try: if self.poi in json_data['poi']: poi = json_data['poi'][self.poi] self.poi_x = int(poi['x']) self.poi_y = int(poi['y']) self.poi_width = int(poi['width']) self.poi_height = int(poi['height']) except Exception as e: pass # handle flipping if kwargs.get('flip_x', False): # flip the poi self.poi_x = self.width - self.poi_x - self.poi_width if kwargs.get('flip_y', False): # flip the poi self.poi_y = self.height - self.poi_y - self.poi_height def setup_poi_bucket(self: 'FileItemDTO'): initial_width = int(self.width * self.dataset_config.scale) initial_height = int(self.height * self.dataset_config.scale) # we are using poi, so we need to calculate the bucket based on the poi # if img resolution is less than dataset resolution, just return and let the normal bucketing happen img_resolution = get_resolution(initial_width, initial_height) if img_resolution <= self.dataset_config.resolution: return False # will trigger normal bucketing bucket_tolerance = self.dataset_config.bucket_tolerance poi_x = int(self.poi_x * self.dataset_config.scale) poi_y = int(self.poi_y * self.dataset_config.scale) poi_width = int(self.poi_width * self.dataset_config.scale) poi_height = int(self.poi_height * self.dataset_config.scale) # loop to keep expanding until we are at the proper resolution. This is not ideal, we can probably handle it better num_loops = 0 while True: # crop left if poi_x > 0: poi_x = random.randint(0, poi_x) else: poi_x = 0 # crop right cr_min = poi_x + poi_width if cr_min < initial_width: crop_right = random.randint(poi_x + poi_width, initial_width) else: crop_right = initial_width poi_width = crop_right - poi_x if poi_y > 0: poi_y = random.randint(0, poi_y) else: poi_y = 0 if poi_y + poi_height < initial_height: crop_bottom = random.randint(poi_y + poi_height, initial_height) else: crop_bottom = initial_height poi_height = crop_bottom - poi_y try: # now we have our random crop, but it may be smaller than resolution. Check and expand if needed current_resolution = get_resolution(poi_width, poi_height) except Exception as e: print_acc(f"Error: {e}") print_acc(f"Error getting resolution: {self.path}") raise e return False if current_resolution >= self.dataset_config.resolution: # We can break now break else: num_loops += 1 if num_loops > 100: print_acc( f"Warning: poi bucketing looped too many times. This should not happen. Please report this issue.") return False new_width = poi_width new_height = poi_height bucket_resolution = get_bucket_for_image_size( new_width, new_height, resolution=self.dataset_config.resolution, divisibility=bucket_tolerance ) width_scale_factor = bucket_resolution["width"] / new_width height_scale_factor = bucket_resolution["height"] / new_height # Use the maximum of the scale factors to ensure both dimensions are scaled above the bucket resolution max_scale_factor = max(width_scale_factor, height_scale_factor) self.scale_to_width = math.ceil(initial_width * max_scale_factor) self.scale_to_height = math.ceil(initial_height * max_scale_factor) self.crop_width = bucket_resolution['width'] self.crop_height = bucket_resolution['height'] self.crop_x = int(poi_x * max_scale_factor) self.crop_y = int(poi_y * max_scale_factor) if self.scale_to_width < self.crop_x + self.crop_width or self.scale_to_height < self.crop_y + self.crop_height: # todo look into this. This still happens sometimes print_acc('size mismatch') return True class ArgBreakMixin: # just stops super calls form hitting object def __init__(self, *args, **kwargs): pass class LatentCachingFileItemDTOMixin: def __init__(self, *args, **kwargs): # if we have super, call it if hasattr(super(), '__init__'): super().__init__(*args, **kwargs) self._encoded_latent: Union[torch.Tensor, None] = None self._cached_first_frame_latent: Union[torch.Tensor, None] = None self._cached_audio_latent: Union[torch.Tensor, None] = None self._latent_path: Union[str, None] = None self.is_latent_cached = False self.is_caching_to_disk = False self.is_caching_to_memory = False self.latent_load_device = 'cpu' # todo, increment this if we change the latent format to invalidate cache self.latent_version = 1 def get_latent_info_dict(self: 'FileItemDTO'): item = OrderedDict([ ("filename", os.path.basename(self.path)), ("scale_to_width", self.scale_to_width), ("scale_to_height", self.scale_to_height), ("crop_x", self.crop_x), ("crop_y", self.crop_y), ("crop_width", self.crop_width), ("crop_height", self.crop_height), ("latent_space_version", self.latent_space_version), ("latent_version", self.latent_version), ]) is_video = False # when adding items, do it after so we dont change old latents if self.flip_x: item["flip_x"] = True if self.flip_y: item["flip_y"] = True if self.dataset_config.auto_frame_count: # don't store num frames here as it is calculated dynamically item["auto_frame_count"] = True is_video = True elif self.dataset_config.num_frames > 1: item["num_frames"] = self.dataset_config.num_frames is_video = True if is_video and self.dataset_config.fps != 24: # only add fps if it deviates from the default item["fps"] = self.dataset_config.fps if is_video and self.dataset_config.do_i2v: item["do_i2v"] = True if is_video and self.dataset_config.do_audio: item["do_audio"] = True if self.dataset_config.audio_normalize: item["audio_normalize"] = True if self.dataset_config.audio_preserve_pitch: item["audio_preserve_pitch"] = True if self.is_audio_model: item["is_audio_model"] = True item["sample_rate"] = self.sample_rate return item def get_latent_path(self: 'FileItemDTO', recalculate=False): if self._latent_path is not None and not recalculate: return self._latent_path else: # we store latents in a folder in same path as image called _latent_cache img_dir = os.path.dirname(self.path) latent_dir = os.path.join(img_dir, '_latent_cache') hash_dict = self.get_latent_info_dict() filename_no_ext = os.path.splitext(os.path.basename(self.path))[0] # get base64 hash of md5 checksum of hash_dict hash_input = json.dumps(hash_dict, sort_keys=True).encode('utf-8') hash_str = base64.urlsafe_b64encode(hashlib.md5(hash_input).digest()).decode('ascii') hash_str = hash_str.replace('=', '') self._latent_path = os.path.join(latent_dir, f'{filename_no_ext}_{hash_str}.safetensors') return self._latent_path def cleanup_latent(self): if self._encoded_latent is not None: if not self.is_caching_to_memory: # we are caching on disk, don't save in memory self._encoded_latent = None self._cached_first_frame_latent = None self._cached_audio_latent = None else: # move it back to cpu self._encoded_latent = self._encoded_latent.to('cpu') if self._cached_first_frame_latent is not None: self._cached_first_frame_latent = self._cached_first_frame_latent.to('cpu') if self._cached_audio_latent is not None: self._cached_audio_latent = self._cached_audio_latent.to('cpu') def get_latent(self, device=None): if not self.is_latent_cached: return None if self._encoded_latent is None: # load it from disk state_dict = load_file( self.get_latent_path(), # device=device if device is not None else self.latent_load_device device='cpu' ) self._encoded_latent = state_dict['latent'] if 'first_frame_latent' in state_dict: self._cached_first_frame_latent = state_dict['first_frame_latent'] if 'audio_latent' in state_dict: self._cached_audio_latent = state_dict['audio_latent'] if 'num_frames' in state_dict: self.num_frames = int(state_dict['num_frames'].item()) return self._encoded_latent class LatentCachingMixin: def __init__(self: 'AiToolkitDataset', **kwargs): # if we have super, call it if hasattr(super(), '__init__'): super().__init__(**kwargs) self.latent_cache = {} def cache_latents_all_latents(self: 'AiToolkitDataset'): with accelerator.main_process_first(): print_acc(f"Caching latents for {self.dataset_path}") # cache all latents to disk to_disk = self.is_caching_latents_to_disk to_memory = self.is_caching_latents_to_memory if to_disk: print_acc(" - Saving latents to disk") if to_memory: print_acc(" - Keeping latents in memory") import psutil mem = psutil.Process().memory_info().rss / 1024**3 print_acc(f"[DEBUG] RSS before caching: {mem:.1f} GB") # only move VAE to device for latent caching, skip moving other models self.sd.vae.to(self.sd.vae_device_torch) # use tqdm to show progress i = 0 for file_item in tqdm(self.file_list, desc=f'Caching latents{" to disk" if to_disk else ""}'): file_item.is_caching_to_disk = to_disk file_item.is_caching_to_memory = to_memory file_item.latent_load_device = self.sd.device latent_path = file_item.get_latent_path(recalculate=True) # check if it is saved to disk already if os.path.exists(latent_path): if to_memory: # load it into memory state_dict = load_file(latent_path, device='cpu') file_item._encoded_latent = state_dict['latent'].to('cpu', dtype=self.sd.torch_dtype) if 'first_frame_latent' in state_dict: file_item._cached_first_frame_latent = state_dict['first_frame_latent'].to('cpu', dtype=self.sd.torch_dtype) if 'audio_latent' in state_dict: file_item._cached_audio_latent = state_dict['audio_latent'].to('cpu', dtype=self.sd.torch_dtype) else: # not saved to disk, calculate # load the image first file_item.load_and_process_image(self.transform, only_load_latents=True) dtype = self.sd.torch_dtype device = self.sd.device_torch state_dict = OrderedDict() first_frame_latent = None audio_latent = None frames = None # add batch dimension try: imgs = file_item.tensor.unsqueeze(0).to(device, dtype=dtype) latent = self.sd.encode_images(imgs).squeeze(0) if to_disk: state_dict['latent'] = latent.clone().detach().cpu() except Exception as e: print_acc(f"Error processing image: {file_item.path}") print_acc(f"Error: {str(e)}") raise e # do first frame is_video = self.dataset_config.auto_frame_count or self.dataset_config.num_frames > 1 if is_video and self.dataset_config.do_i2v: frames = file_item.tensor.unsqueeze(0).to(device, dtype=dtype) if len(frames.shape) == 4: first_frames = frames elif len(frames.shape) == 5: first_frames = frames[:, 0] else: raise ValueError(f"Unknown frame shape {frames.shape}") first_frame_latent = self.sd.encode_images(first_frames).squeeze(0) if to_disk: state_dict['first_frame_latent'] = first_frame_latent.clone().detach().cpu() # audio (video+audio models only — audio-only models already encoded above via encode_images) if not self.is_audio_model and file_item.audio_data is not None: audio_latent = self.sd.encode_audio([file_item.audio_data]).squeeze(0) if to_disk: state_dict['audio_latent'] = audio_latent.clone().detach().cpu() if is_video: state_dict['num_frames'] = torch.tensor(file_item.num_frames, dtype=torch.int32) # save_latent if to_disk: # metadata meta = get_meta_for_safetensors(file_item.get_latent_info_dict()) os.makedirs(os.path.dirname(latent_path), exist_ok=True) save_file(state_dict, latent_path, metadata=meta) if to_memory: # keep it in memory file_item._encoded_latent = latent.to('cpu', dtype=self.sd.torch_dtype) if first_frame_latent is not None: file_item._cached_first_frame_latent = first_frame_latent.to('cpu', dtype=self.sd.torch_dtype) if audio_latent is not None: file_item._cached_audio_latent = audio_latent.to('cpu', dtype=self.sd.torch_dtype) del imgs del latent del frames del file_item.tensor del state_dict del first_frame_latent del audio_latent file_item.cleanup() file_item.is_latent_cached = True i += 1 # restore device state self.sd.restore_device_state() class TextEmbeddingFileItemDTOMixin: def __init__(self, *args, **kwargs): # if we have super, call it if hasattr(super(), '__init__'): super().__init__(*args, **kwargs) self.prompt_embeds: Union[PromptEmbeds, None] = None self._text_embedding_path: Union[str, None] = None self.is_text_embedding_cached = False self.text_embedding_load_device = 'cpu' self.text_embedding_version = 1 def get_text_embedding_info_dict(self: 'FileItemDTO'): # make sure the caption is loaded here # TODO: we need a way to cache all the other features like trigger words, DOP, etc. For now, we need to throw an error if not compatible. if self.caption is None: self.load_caption() item = OrderedDict([ ("caption", self.caption), ("text_embedding_space_version", self.text_embedding_space_version), ("text_embedding_version", self.text_embedding_version), ]) # if we have a control image, cache the path if self.encode_control_in_text_embeddings and self.control_path is not None: item["control_path"] = self.control_path return item def get_text_embedding_path(self: 'FileItemDTO', recalculate=False): if self._text_embedding_path is not None and not recalculate: return self._text_embedding_path else: # we store text embeddings in a folder in same path as image called _text_embedding_cache img_dir = os.path.dirname(self.path) te_dir = os.path.join(img_dir, '_t_e_cache') hash_dict = self.get_text_embedding_info_dict() filename_no_ext = os.path.splitext(os.path.basename(self.path))[0] # get base64 hash of md5 checksum of hash_dict hash_input = json.dumps(hash_dict, sort_keys=True).encode('utf-8') hash_str = base64.urlsafe_b64encode(hashlib.md5(hash_input).digest()).decode('ascii') hash_str = hash_str.replace('=', '') self._text_embedding_path = os.path.join(te_dir, f'{filename_no_ext}_{hash_str}.safetensors') return self._text_embedding_path def cleanup_text_embedding(self): if self.prompt_embeds is not None: # we are caching on disk, don't save in memory self.prompt_embeds = None def load_prompt_embedding(self, device=None): if not self.is_text_embedding_cached: return if self.prompt_embeds is None: # load it from disk self.prompt_embeds = PromptEmbeds.load(self.get_text_embedding_path()) class TextEmbeddingCachingMixin: def __init__(self: 'AiToolkitDataset', **kwargs): # if we have super, call it if hasattr(super(), '__init__'): super().__init__(**kwargs) self.is_caching_text_embeddings = self.dataset_config.cache_text_embeddings def cache_text_embeddings(self: 'AiToolkitDataset'): with accelerator.main_process_first(): print_acc(f"Caching text_embeddings for {self.dataset_path}") print_acc(" - Saving text embeddings to disk") did_move = False # use tqdm to show progress i = 0 for file_item in tqdm(self.file_list, desc='Caching text embeddings to disk'): file_item.latent_load_device = self.sd.device text_embedding_path = file_item.get_text_embedding_path(recalculate=True) # only process if not saved to disk if not os.path.exists(text_embedding_path): # load if not loaded if not did_move: self.sd.set_device_state_preset('cache_text_encoder') did_move = True if file_item.encode_control_in_text_embeddings: if file_item.control_path is None: raise Exception(f"Could not find a control image for {file_item.path} which is needed for this model") ctrl_img_list = [] control_path_list = file_item.control_path if not isinstance(file_item.control_path, list): control_path_list = [control_path_list] for i in range(len(control_path_list)): try: img = Image.open(control_path_list[i]).convert("RGB") img = exif_transpose(img) # convert to 0 to 1 tensor img = ( TF.to_tensor(img) .unsqueeze(0) .to(self.sd.device_torch, dtype=self.sd.torch_dtype) ) ctrl_img_list.append(img) except Exception as e: print_acc(f"Error: {e}") print_acc(f"Error loading control image: {control_path_list[i]}") if len(ctrl_img_list) == 0: ctrl_img = None elif not self.sd.has_multiple_control_images: ctrl_img = ctrl_img_list[0] else: ctrl_img = ctrl_img_list prompt_embeds: PromptEmbeds = self.sd.encode_prompt(file_item.caption, control_images=ctrl_img) else: prompt_embeds: PromptEmbeds = self.sd.encode_prompt(file_item.caption) # save it prompt_embeds.save(text_embedding_path) del prompt_embeds file_item.is_text_embedding_cached = True i += 1 # restore device state # if did_move: # self.sd.restore_device_state() class CLIPCachingMixin: def __init__(self: 'AiToolkitDataset', **kwargs): # if we have super, call it if hasattr(super(), '__init__'): super().__init__(**kwargs) self.clip_vision_num_unconditional_cache = 20 self.clip_vision_unconditional_cache = [] def cache_clip_vision_to_disk(self: 'AiToolkitDataset'): if not self.is_caching_clip_vision_to_disk: return with torch.no_grad(): print_acc(f"Caching clip vision for {self.dataset_path}") print_acc(" - Saving clip to disk") # move sd items to cpu except for vae self.sd.set_device_state_preset('cache_clip') # make sure the adapter has attributes if self.sd.adapter is None: raise Exception("Error: must have an adapter to cache clip vision to disk") clip_image_processor: CLIPImageProcessor = None if hasattr(self.sd.adapter, 'clip_image_processor'): clip_image_processor = self.sd.adapter.clip_image_processor if clip_image_processor is None: raise Exception("Error: must have a clip image processor to cache clip vision to disk") vision_encoder: CLIPVisionModelWithProjection = None if hasattr(self.sd.adapter, 'image_encoder'): vision_encoder = self.sd.adapter.image_encoder if hasattr(self.sd.adapter, 'vision_encoder'): vision_encoder = self.sd.adapter.vision_encoder if vision_encoder is None: raise Exception("Error: must have a vision encoder to cache clip vision to disk") # move vision encoder to device vision_encoder.to(self.sd.device) is_quad = self.sd.adapter.config.quad_image image_encoder_path = self.sd.adapter.config.image_encoder_path dtype = self.sd.torch_dtype device = self.sd.device_torch if hasattr(self.sd.adapter, 'clip_noise_zero') and self.sd.adapter.clip_noise_zero: # just to do this, we did :) # need more samples as it is random noise self.clip_vision_num_unconditional_cache = self.clip_vision_num_unconditional_cache else: # only need one since it doesnt change self.clip_vision_num_unconditional_cache = 1 # cache unconditionals print_acc(f" - Caching {self.clip_vision_num_unconditional_cache} unconditional clip vision to disk") clip_vision_cache_path = os.path.join(self.dataset_config.clip_image_path, '_clip_vision_cache') unconditional_paths = [] is_noise_zero = hasattr(self.sd.adapter, 'clip_noise_zero') and self.sd.adapter.clip_noise_zero for i in range(self.clip_vision_num_unconditional_cache): hash_dict = OrderedDict([ ("image_encoder_path", image_encoder_path), ("is_quad", is_quad), ("is_noise_zero", is_noise_zero), ]) # get base64 hash of md5 checksum of hash_dict hash_input = json.dumps(hash_dict, sort_keys=True).encode('utf-8') hash_str = base64.urlsafe_b64encode(hashlib.md5(hash_input).digest()).decode('ascii') hash_str = hash_str.replace('=', '') uncond_path = os.path.join(clip_vision_cache_path, f'uncond_{hash_str}_{i}.safetensors') if os.path.exists(uncond_path): # skip it unconditional_paths.append(uncond_path) continue # generate a random image img_shape = (1, 3, self.sd.adapter.input_size, self.sd.adapter.input_size) if is_noise_zero: tensors_0_1 = torch.rand(img_shape).to(device, dtype=torch.float32) else: tensors_0_1 = torch.zeros(img_shape).to(device, dtype=torch.float32) clip_image = clip_image_processor( images=tensors_0_1, return_tensors="pt", do_resize=True, do_rescale=False, ).pixel_values if is_quad: # split the 4x4 grid and stack on batch ci1, ci2 = clip_image.chunk(2, dim=2) ci1, ci3 = ci1.chunk(2, dim=3) ci2, ci4 = ci2.chunk(2, dim=3) clip_image = torch.cat([ci1, ci2, ci3, ci4], dim=0).detach() clip_output = vision_encoder( clip_image.to(device, dtype=dtype), output_hidden_states=True ) # make state_dict ['last_hidden_state', 'image_embeds', 'penultimate_hidden_states'] state_dict = OrderedDict([ ('image_embeds', clip_output.image_embeds.clone().detach().cpu()), ('last_hidden_state', clip_output.hidden_states[-1].clone().detach().cpu()), ('penultimate_hidden_states', clip_output.hidden_states[-2].clone().detach().cpu()), ]) os.makedirs(os.path.dirname(uncond_path), exist_ok=True) save_file(state_dict, uncond_path) unconditional_paths.append(uncond_path) self.clip_vision_unconditional_cache = unconditional_paths # use tqdm to show progress i = 0 for file_item in tqdm(self.file_list, desc=f'Caching clip vision to disk'): file_item.is_caching_clip_vision_to_disk = True file_item.clip_vision_load_device = self.sd.device file_item.clip_vision_is_quad = is_quad file_item.clip_image_encoder_path = image_encoder_path file_item.clip_vision_unconditional_paths = unconditional_paths if file_item.has_clip_augmentations: raise Exception("Error: clip vision caching is not supported with clip augmentations") embedding_path = file_item.get_clip_vision_embeddings_path(recalculate=True) # check if it is saved to disk already if not os.path.exists(embedding_path): # load the image first file_item.load_clip_image() # add batch dimension clip_image = file_item.clip_image_tensor.unsqueeze(0).to(device, dtype=dtype) if is_quad: # split the 4x4 grid and stack on batch ci1, ci2 = clip_image.chunk(2, dim=2) ci1, ci3 = ci1.chunk(2, dim=3) ci2, ci4 = ci2.chunk(2, dim=3) clip_image = torch.cat([ci1, ci2, ci3, ci4], dim=0).detach() clip_output = vision_encoder( clip_image.to(device, dtype=dtype), output_hidden_states=True ) # make state_dict ['last_hidden_state', 'image_embeds', 'penultimate_hidden_states'] state_dict = OrderedDict([ ('image_embeds', clip_output.image_embeds.clone().detach().cpu()), ('last_hidden_state', clip_output.hidden_states[-1].clone().detach().cpu()), ('penultimate_hidden_states', clip_output.hidden_states[-2].clone().detach().cpu()), ]) # metadata meta = get_meta_for_safetensors(file_item.get_clip_vision_info_dict()) os.makedirs(os.path.dirname(embedding_path), exist_ok=True) save_file(state_dict, embedding_path, metadata=meta) del clip_image del clip_output del file_item.clip_image_tensor # flush(garbage_collect=False) file_item.is_vision_clip_cached = True i += 1 # flush every 100 # if i % 100 == 0: # flush() # restore device state self.sd.restore_device_state() class ControlCachingMixin: def __init__(self: 'AiToolkitDataset', **kwargs): if hasattr(super(), '__init__'): super().__init__(**kwargs) self.control_generator: ControlGenerator = None def add_control_path_to_file_item(self: 'AiToolkitDataset', file_item: 'FileItemDTO', control_path: str, control_type: ControlTypes): if control_type == 'inpaint': file_item.inpaint_path = control_path file_item.has_inpaint_image = True elif control_type == 'mask' or control_type == 'sapiens2_mask': file_item.mask_path = control_path file_item.has_mask_image = True else: if file_item.control_path is None: file_item.control_path = [control_path] elif isinstance(file_item.control_path, str): file_item.control_path = [file_item.control_path, control_path] elif isinstance(file_item.control_path, list): file_item.control_path.append(control_path) else: raise Exception(f"Error: control_path is not a string or list: {file_item.control_path}") file_item.has_control_image = True def setup_controls(self: 'AiToolkitDataset'): if not self.is_generating_controls: return with torch.no_grad(): print_acc(f"Generating controls for {self.dataset_path}") device = self.sd.device self.control_generator = ControlGenerator( device=device, sd=self.sd, ) # use tqdm to show progress for file_item in tqdm(self.file_list, desc=f'Generating Controls'): for control_type in self.dataset_config.controls: # generates the control if it is not already there control_path = self.control_generator.get_control_path(file_item.path, control_type) if control_path is not None: self.add_control_path_to_file_item(file_item, control_path, control_type) # remove models self.control_generator.cleanup() self.control_generator = None flush()
import base64
import glob
import hashlib
import json
import math
import os
import random
from collections import OrderedDict
from typing import TYPE_CHECKING, List, Dict, Union
import traceback
import cv2
import numpy as np
import torch
from safetensors.torch import load_file, save_file
from tqdm import tqdm
from transformers import CLIPImageProcessor, CLIPVisionModelWithProjection, SiglipImageProcessor
from toolkit.audio.preserve_pitch import time_stretch_preserve_pitch
from toolkit.basic import flush, value_map
from toolkit.buckets import get_bucket_for_image_size, get_resolution
from toolkit.config_modules import ControlTypes
from toolkit.control_generator import ControlGenerator
from toolkit.metadata import get_meta_for_safetensors
from toolkit.models.pixtral_vision import PixtralVisionImagePreprocessorCompatible
from toolkit.prompt_utils import inject_trigger_into_prompt
from torchvision import transforms
from PIL import Image, ImageFilter, ImageOps
from PIL.ImageOps import exif_transpose
import albumentations as A
from toolkit.print import print_acc
from toolkit.accelerator import get_accelerator
from toolkit.prompt_utils import PromptEmbeds
from torchvision.transforms import functional as TF
from toolkit.train_tools import get_torch_dtype
if TYPE_CHECKING:
from toolkit.data_loader import AiToolkitDataset
from toolkit.data_transfer_object.data_loader import FileItemDTO
from toolkit.stable_diffusion_model import StableDiffusion
accelerator = get_accelerator()
# def get_associated_caption_from_img_path(img_path):
# https://demo.albumentations.ai/
class Augments:
def __init__(self, **kwargs):
self.method_name = kwargs.get('method', None)
self.params = kwargs.get('params', {})
# convert kwargs enums for cv2
for key, value in self.params.items():
if isinstance(value, str):
# split the string
split_string = value.split('.')
if len(split_string) == 2 and split_string[0] == 'cv2':
if hasattr(cv2, split_string[1]):
self.params[key] = getattr(cv2, split_string[1].upper())
else:
raise ValueError(f"invalid cv2 enum: {split_string[1]}")
transforms_dict = {
'ColorJitter': transforms.ColorJitter(brightness=0.2, contrast=0.2, saturation=0.2, hue=0.03),
'RandomEqualize': transforms.RandomEqualize(p=0.2),
}
img_ext_list = ['.jpg', '.jpeg', '.png', '.webp']
def standardize_images(images):
"""
Standardize the given batch of images using the specified mean and std.
Expects values of 0 - 1
Args:
images (torch.Tensor): A batch of images in the shape of (N, C, H, W),
where N is the number of images, C is the number of channels,
H is the height, and W is the width.
Returns:
torch.Tensor: Standardized images.
"""
mean = [0.48145466, 0.4578275, 0.40821073]
std = [0.26862954, 0.26130258, 0.27577711]
# Define the normalization transform
normalize = transforms.Normalize(mean=mean, std=std)
# Apply normalization to each image in the batch
standardized_images = torch.stack([normalize(img) for img in images])
return standardized_images
def clean_caption(caption):
# this doesnt make any sense anymore in a world that is not based on comma seperated tokens
# # remove any newlines
# caption = caption.replace('\n', ', ')
# # remove new lines for all operating systems