import os import sys import argparse import importlib.util from pathlib import Path import numpy as np import torch from diffusers import (CogVideoXDDIMScheduler, DDIMScheduler, DPMSolverMultistepScheduler, EulerAncestralDiscreteScheduler, EulerDiscreteScheduler, PNDMScheduler) from PIL import Image current_file_path = os.path.abspath(__file__) project_roots = [os.path.dirname(current_file_path), os.path.dirname(os.path.dirname(current_file_path)), os.path.dirname(os.path.dirname(os.path.dirname(current_file_path)))] for project_root in project_roots: sys.path.insert(0, project_root) if project_root not in sys.path else None from videox_fun.dist import set_multi_gpus_devices, shard_model from videox_fun.models import (AutoencoderKLCogVideoX, CogVideoXTransformer3DModel, T5EncoderModel, T5Tokenizer) from videox_fun.pipeline import (CogVideoXFunInpaintPipeline, CogVideoXFunPipeline) from videox_fun.data.dataset_image_video import ( CAMERA_POSES_CSV_NAME, EMG_CONTEXT_SEC, compute_normalization_stats_from_participant, extract_emg_bbox_rows, frame_name_to_idx, list_frame_files, load_bimanual_signal_df, load_camera_pose_feature_df, load_camera_pose_time_dict, load_participant_bbox_df, relative_pose_to_features, resample_feature_window, zero_emg_bbox_rows, zero_head_pose_rows, ) from videox_fun.utils.fp8_optimization import (convert_model_weight_to_float8, replace_parameters_by_name, convert_weight_dtype_wrapper) from videox_fun.utils.lora_utils import create_network from videox_fun.utils.utils import get_image_to_video_latent, save_videos_grid from videox_fun.utils.hypernet import VideoHyperDream import json def load_module_from_path(module_name: str, module_path: str): spec = importlib.util.spec_from_file_location(module_name, module_path) module = importlib.util.module_from_spec(spec) assert spec.loader is not None spec.loader.exec_module(module) return module class MultimodalReferenceEncoder(torch.nn.Module): def __init__(self, encoder_model: torch.nn.Module): super().__init__() self.encoder_model = encoder_model def forward(self, ref_values): emg_x = ref_values["emg_values"].float() hand_bbox_x = ref_values["hand_bbox_values"].float() head_pose_x = ref_values["head_pose_values"].float() hand_camera_x = torch.cat([hand_bbox_x, head_pose_x], dim=-1) emg_features = self.encoder_model.emg_encoder(emg_x) hand_camera_features = self.encoder_model.hand_camera_encoder(hand_camera_x) emg_features = torch.nn.functional.adaptive_avg_pool1d( emg_features.transpose(1, 2), hand_camera_features.shape[1], ).transpose(1, 2) fused = torch.cat([emg_features, hand_camera_features], dim=-2) return fused def parse_args(): parser = argparse.ArgumentParser(description="CogVideoX-Fun I2V Inference with LiLoRA and HyperNetwork") # GPU memory mode parser.add_argument("--gpu_memory_mode", type=str, default="model_full_load", choices=["model_full_load", "model_full_load_and_qfloat8", "model_cpu_offload", "model_cpu_offload_and_qfloat8", "sequential_cpu_offload"], help="GPU memory mode") # Multi GPUs config parser.add_argument("--ulysses_degree", type=int, default=1, help="Ulysses degree for multi-GPU inference") parser.add_argument("--ring_degree", type=int, default=1, help="Ring degree for multi-GPU inference") parser.add_argument("--fsdp_dit", action="store_true", help="Use FSDP for transformer") parser.add_argument("--fsdp_text_encoder", action="store_true", default=True, help="Use FSDP for text encoder") parser.add_argument("--compile_dit", action="store_true", help="Compile transformer for speedup") # Model paths parser.add_argument("--model_name", type=str, default="models/Diffusion_Transformer/CogVideoX-Fun-V1.1-2b-InP", help="Path to pretrained model") parser.add_argument("--sampler_name", type=str, default="DDIM_Origin", choices=["Euler", "Euler A", "DPM++", "PNDM", "DDIM_Cog", "DDIM_Origin"], help="Sampler name") parser.add_argument("--transformer_path", type=str, default=None, help="Path to transformer checkpoint") parser.add_argument("--vae_path", type=str, default=None, help="Path to VAE checkpoint") # LiLoRA and HyperNetwork paths parser.add_argument("--lilora_path", type=str, default=None, help="Path to LiLoRA weights (.safetensors)") parser.add_argument("--hypernetwork_path", type=str, default=None, help="Path to HyperNetwork weights (.safetensors)") parser.add_argument("--hypernetwork_input_dim", type=int, default=None, help="Override HyperNetwork input feature dimension. If unset, infer from checkpoint or multimodal encoder.") parser.add_argument("--multimodal_ref_encoder_ckpt_path", type=str, default=None, help="Checkpoint for the EMG multimodal reference encoder used during training.") parser.add_argument("--multimodal_ref_encoder_script", type=str, default=None, help="Python script that defines MultimodalEMGMaskedAutoencoder and load_emg2pose_backbone.") parser.add_argument("--emg2pose_ckpt_path", type=str, default=None, help="Path to the EMG2Pose backbone checkpoint required by the multimodal reference encoder.") parser.add_argument("--emg2pose_repo", type=str, default=None, help="Path to the EMG2Pose repository required by the multimodal reference encoder.") parser.add_argument("--emg_normalization_participant", type=str, default=None, help="Participant directory used to compute EMG normalization stats when building ref_values from raw CSVs.") parser.add_argument("--emg_camera_pose_csv_name", type=str, default=CAMERA_POSES_CSV_NAME, help="Camera pose CSV filename under each participant directory.") parser.add_argument("--emg_bbox_csv_name", type=str, default="hand_bboxes.csv", help="Hand bbox CSV filename under each participant directory.") parser.add_argument("--emg_context_sec", type=float, default=EMG_CONTEXT_SEC, help="Extra sensor context before/after the selected video clip.") # LiLoRA params (should match training config) parser.add_argument("--lora_rank", type=int, default=1, help="LiLoRA rank") parser.add_argument("--lora_down_dim", type=int, default=200, help="LiLoRA down dimension") parser.add_argument("--lora_up_dim", type=int, default=100, help="LiLoRA up dimension") parser.add_argument("--lora_weight", type=float, default=0.55, help="LiLoRA weight multiplier") # Input data paths parser.add_argument("--first_frame_path", type=str, default=None, help="Path to first frame image") parser.add_argument("--ref_video_path", type=str, default=None, help="Path to reference video for HyperNetwork") # Video generation params parser.add_argument("--video_length", type=int, default=49, help="Number of frames to generate") parser.add_argument("--fps", type=int, default=8, help="FPS for output video") parser.add_argument("--partial_video_length", type=int, default=None, help="Length of each sub video segment for ultra long video generation") parser.add_argument("--overlap_video_length", type=int, default=4, help="Overlap length between segments for ultra long video generation") # Weight dtype parser.add_argument("--weight_dtype", type=str, default="bfloat16", choices=["bfloat16", "float16", "float32"], help="Weight dtype") # Prompts parser.add_argument("--prompt", type=str, default=None, help="Prompt for video generation") parser.add_argument("--negative_prompt", type=str, default="The video is not of a high quality, it has a low resolution. " "Watermark present in each frame. The background is solid. " "Strange body and strange trajectory. Distortion.", help="Negative prompt") # Inference params parser.add_argument("--guidance_scale", type=float, default=6.0, help="Guidance scale") parser.add_argument("--seed", type=int, default=43, help="Random seed") parser.add_argument("--num_inference_steps", type=int, default=50, help="Number of inference steps") # Output parser.add_argument("--save_path", type=str, default="samples/cogvideox-fun-videos_i2v", help="Path to save generated videos") # Test set (JSON) parser.add_argument("--test_json_path", type=str, default=None, help="Path to JSON file containing test samples") return parser.parse_args() def _resolve_path(path_value, base_dir=None): if path_value is None: return None if os.path.isabs(path_value): return path_value if base_dir is not None: candidate = os.path.join(base_dir, path_value) if os.path.exists(candidate): return candidate return os.path.abspath(path_value) def _as_numpy_float32(value): if value is None: return None if torch.is_tensor(value): value = value.detach().cpu().numpy() return np.asarray(value, dtype=np.float32) def _coerce_ref_values_dict(ref_values): if ref_values is None: return None required = ("emg_values", "hand_bbox_values", "head_pose_values") if not all(key in ref_values for key in required): missing = [key for key in required if key not in ref_values] raise ValueError(f"ref_values is missing required keys: {missing}") out = {} for key in required: out[key] = _as_numpy_float32(ref_values[key]) return out def _infer_participant_path(sample_info, first_frame_path): participant_path = sample_info.get("participant_path") if participant_path is not None: return participant_path if first_frame_path is None: return None frame_dir = os.path.dirname(first_frame_path) if os.path.basename(frame_dir) == "frames": return os.path.dirname(frame_dir) return os.path.dirname(first_frame_path) def _infer_frame_indices(sample_info, first_frame_path, video_length): frame_indices = sample_info.get("frame_indices") if frame_indices is not None: return [int(x) for x in frame_indices] frame_dir = sample_info.get("frames_dir") if frame_dir is None and first_frame_path is not None: frame_dir = os.path.dirname(first_frame_path) if first_frame_path is None: return None try: start_idx = frame_name_to_idx(first_frame_path) except Exception: start_idx = None if frame_dir is not None and os.path.isdir(frame_dir): try: frame_paths = list_frame_files(frame_dir) filename_to_pos = {os.path.basename(path): idx for idx, path in enumerate(frame_paths)} start_pos = filename_to_pos.get(os.path.basename(first_frame_path)) if start_pos is not None: selected = frame_paths[start_pos:start_pos + video_length] if len(selected) == video_length: return [frame_name_to_idx(path) for path in selected] except Exception: pass if start_idx is not None: return [start_idx + i for i in range(video_length)] return None def build_emg_ref_values(sample_info, first_frame_path, video_length, args): direct_ref_values = sample_info.get("ref_values") if direct_ref_values is not None: return _coerce_ref_values_dict(direct_ref_values) if all(key in sample_info for key in ("emg_values", "hand_bbox_values", "head_pose_values")): return _coerce_ref_values_dict(sample_info) participant_path = _infer_participant_path(sample_info, first_frame_path) frame_indices = _infer_frame_indices(sample_info, first_frame_path, video_length) if participant_path is None or frame_indices is None: return None participant_path = os.path.abspath(participant_path) pose_time_dict = load_camera_pose_time_dict(participant_path, args.emg_camera_pose_csv_name) hand_data, signal_cols = load_bimanual_signal_df(participant_path) clip_times = [] for frame_idx in frame_indices: if frame_idx not in pose_time_dict: raise ValueError(f"Missing pose timestamp for frame_idx={frame_idx} in {participant_path}") clip_times.append(float(pose_time_dict[frame_idx])) sensor_start_t = min(clip_times) - args.emg_context_sec sensor_end_t = max(clip_times) + args.emg_context_sec emg_signal_length = int(sample_info.get("emg_fixed_signal_length") or sample_info.get("signal_length") or 1883) left_emg = resample_feature_window( hand_data["left_time"], hand_data["left_data"], sensor_start_t, sensor_end_t, emg_signal_length, ) right_emg = resample_feature_window( hand_data["right_time"], hand_data["right_data"], sensor_start_t, sensor_end_t, emg_signal_length, ) emg_values = np.concatenate([left_emg, right_emg], axis=1).astype(np.float32) norm_participant = args.emg_normalization_participant if norm_participant is not None: norm_participant = os.path.abspath(norm_participant) norm_mean, norm_std, _ = compute_normalization_stats_from_participant(norm_participant) emg_values = ((emg_values - norm_mean) / norm_std).astype(np.float32) try: bbox_df = load_participant_bbox_df(participant_path, args.emg_bbox_csv_name).set_index("frame_idx") bbox_values, _ = extract_emg_bbox_rows(bbox_df, frame_indices) except Exception: bbox_values, _ = zero_emg_bbox_rows(frame_indices) try: pose_df = load_camera_pose_feature_df(participant_path, args.emg_camera_pose_csv_name).set_index("frame_idx") if frame_indices[0] not in pose_df.index: raise ValueError(f"Reference frame {frame_indices[0]} missing from pose CSV") ref_row = pose_df.loc[frame_indices[0]] from videox_fun.data.dataset_image_video import pose_row_to_T T_ref = pose_row_to_T(ref_row["tx"], ref_row["ty"], ref_row["tz"], ref_row["qx"], ref_row["qy"], ref_row["qz"], ref_row["qw"]) pose_rows = [] for frame_idx in frame_indices: if frame_idx not in pose_df.index: raise ValueError(f"Frame {frame_idx} missing from pose CSV") row = pose_df.loc[frame_idx] T_curr = pose_row_to_T(row["tx"], row["ty"], row["tz"], row["qx"], row["qy"], row["qz"], row["qw"]) pose_rows.append(relative_pose_to_features(T_ref, T_curr)) head_pose_values = np.asarray(pose_rows, dtype=np.float32) except Exception: head_pose_values, _ = zero_head_pose_rows(frame_indices) return { "emg_values": emg_values.astype(np.float32), "hand_bbox_values": bbox_values.astype(np.float32), "head_pose_values": head_pose_values.astype(np.float32), } def build_multimodal_ref_encoder(args, sample_ref_values, weight_dtype): missing = [] if args.multimodal_ref_encoder_ckpt_path is None: missing.append("--multimodal_ref_encoder_ckpt_path") if args.multimodal_ref_encoder_script is None: missing.append("--multimodal_ref_encoder_script") if args.emg2pose_ckpt_path is None: missing.append("--emg2pose_ckpt_path") if args.emg2pose_repo is None: missing.append("--emg2pose_repo") if missing: raise ValueError(f"EMG-conditioned inference requires: {', '.join(missing)}") videox_module = load_module_from_path( "videox_emg_multimodal_infer", args.multimodal_ref_encoder_script, ) checkpoint = torch.load(args.multimodal_ref_encoder_ckpt_path, map_location="cpu") checkpoint_config = checkpoint.get("config", {}) emg_channels = int(sample_ref_values["emg_values"].shape[-1]) bbox_channels = int(sample_ref_values["hand_bbox_values"].shape[-1]) pose_channels = int(sample_ref_values["head_pose_values"].shape[-1]) hand_camera_channels = bbox_channels + pose_channels seq_len = int(sample_ref_values["emg_values"].shape[0]) emg_backbone = videox_module.load_emg2pose_backbone( str(args.emg2pose_ckpt_path), str(args.emg2pose_repo), ) encoder_model = videox_module.MultimodalEMGMaskedAutoencoder( emg_channels=emg_channels, hand_camera_channels=hand_camera_channels, bbox_channels=bbox_channels, pose_channels=pose_channels, emg_backbone=emg_backbone, seq_len=seq_len, hidden_dim=checkpoint_config.get("hidden_dim", 256), latent_dim=checkpoint_config.get("latent_dim", 256), kernel_size=checkpoint_config.get("kernel_size", 3), dilation_rates=checkpoint_config.get("dilation_rates", [1, 2, 4, 8, 16, 32]), encoder_stacks=checkpoint_config.get("encoder_stacks", 3), decoder_stacks=checkpoint_config.get("decoder_stacks", 2), dropout=checkpoint_config.get("dropout", 0.1), derivative_loss_weight=checkpoint_config.get("derivative_loss_weight", 0.1), frequency_loss_weight=checkpoint_config.get("frequency_loss_weight", 0.05), high_freq_weight=checkpoint_config.get("high_freq_weight", 2.0), ) encoder_model.load_state_dict(checkpoint["model"], strict=True) encoder_model.eval() encoder_model.requires_grad_(False) encoder_model = encoder_model.to(dtype=weight_dtype) return MultimodalReferenceEncoder(encoder_model), int(checkpoint_config.get("latent_dim", 256)) def get_hypernetwork_input_dim(args, hyper_state_dict, multimodal_input_dim=None): if args.hypernetwork_input_dim is not None: return int(args.hypernetwork_input_dim) if multimodal_input_dim is not None: return int(multimodal_input_dim) feature_proj_weight = hyper_state_dict.get("img_weight_generator.feature_proj.weight") if feature_proj_weight is None: raise ValueError("Could not infer HyperNetwork input dim from checkpoint. Please pass --hypernetwork_input_dim.") return int(feature_proj_weight.shape[1]) def apply_hypernetwork_weights(hypernetwork, lilora_network, ref_features): _, weight_list = hypernetwork(ref_features) for weight, lora_layer in zip(weight_list, lilora_network.unet_loras): if weight.dim() == 3: weight = weight.view(weight.size(0), -1) elif weight.dim() == 2: if weight.size(0) == 1: weight = weight.view(-1) else: weight = weight.view(weight.size(0), -1) elif weight.dim() == 1: weight = weight.view(-1) lora_layer.update_weight(weight) lora_layer.down_aux.data = lora_layer.down_aux.data.to(dtype=weight.dtype) lora_layer.up_aux.data = lora_layer.up_aux.data.to(dtype=weight.dtype) return len(weight_list) def load_ref_video_frames(ref_video_path, target_size, num_frames=None): """ Load reference video frames from video file or image directory Args: ref_video_path: Path to video file or directory containing image frames target_size: Target size [height, width] for resizing num_frames: Number of frames to load (if None, load all available) Returns: ref_pixel_values: Tensor of shape [B, F, C, H, W] in 0~1 range """ import cv2 target_h, target_w = target_size ref_frames = [] if os.path.isfile(ref_video_path): cap = cv2.VideoCapture(ref_video_path) frame_count = int(cap.get(cv2.CAP_PROP_FRAME_COUNT)) if num_frames is None: num_frames = frame_count for i in range(num_frames): ret, frame = cap.read() if not ret: break frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB) frame = Image.fromarray(frame) frame = frame.resize((target_w, target_h)) ref_frames.append(np.array(frame)) cap.release() elif os.path.isdir(ref_video_path): image_files = sorted([f for f in os.listdir(ref_video_path) if f.endswith(('.png', '.jpg', '.jpeg'))]) if num_frames is None: num_frames = len(image_files) for i in range(num_frames): if i >= len(image_files): break frame = Image.open(os.path.join(ref_video_path, image_files[i])).convert('RGB') frame = frame.resize((target_w, target_h)) ref_frames.append(np.array(frame)) if len(ref_frames) == 0: raise ValueError(f"No frames loaded from {ref_video_path}") ref_frames_np = np.array(ref_frames) ref_frames_tensor = torch.from_numpy(ref_frames_np).float() ref_frames_tensor = ref_frames_tensor / 255.0 ref_frames_tensor = ref_frames_tensor.unsqueeze(0) print(f"DEBUG: ref_frames_tensor shape after unsqueeze(0): {ref_frames_tensor.shape}") return ref_frames_tensor def get_model_device(model): """安全获取模型实际设备,处理 CPU offload 模式""" try: params = list(model.parameters()) if len(params) > 0: return params[0].device buffers = list(model.buffers()) if len(buffers) > 0: return buffers[0].device except Exception: pass return torch.device("cpu") def process_sample( pipeline, vae, device, weight_dtype, hypernetwork, lilora_network, multimodal_ref_encoder, sample_info, sample_size, args, ): """ Process a single test sample Args: pipeline: CogVideoX pipeline vae: VAE model device: device weight_dtype: weight dtype hypernetwork: VideoHyperDream model (or None) lilora_network: LoRANetwork model (or None) sample_info: dict with first_frame_path, ref_video_path, text, video_name sample_size: [height, width] args: other arguments Returns: sample: generated video tensor """ first_frame_path = sample_info.get('first_frame_path') ref_video_path = sample_info.get('ref_video_path') prompt = sample_info.get('text', '') video_name = sample_info.get('video_name', 'sample') # 如果 JSON 中没有提供 prompt,使用命令行参数中的默认值 if not prompt or not prompt.strip(): prompt = args.get('prompt', '') if prompt: print(f"Using prompt from command line: {prompt[:50]}...") else: print(f"Warning: No prompt provided for sample {video_name}") return None if first_frame_path is None or not os.path.exists(first_frame_path): print(f"Warning: first_frame_path not found: {first_frame_path}") return None input_video, input_video_mask, clip_image = get_image_to_video_latent( first_frame_path, None, video_length=args['video_length'], sample_size=sample_size ) original_image = Image.open(first_frame_path).convert('RGB') original_width, original_height = original_image.size print(f"\n[Debug Input Video Processing]") print(f"[Debug Input] first_frame_path: {first_frame_path}") print(f"[Debug Input] Original image size: ({original_width}, {original_height})") print(f"[Debug Input] sample_size (after resize): {sample_size}") print(f"[Debug Input] input_video type: {type(input_video)}") if isinstance(input_video, torch.Tensor): print(f"[Debug Input] input_video shape: {input_video.shape}") if input_video.dim() == 5: B, C, F, H, W = input_video.shape print(f"[Debug Input] Input tensor: B={B}, C={C}, F={F}, H={H}, W={W}") print(f"[Debug Input] Height matches sample_size[0]: {H == sample_size[0]}, Width matches sample_size[1]: {W == sample_size[1]}") if input_video_mask is not None and isinstance(input_video_mask, torch.Tensor): print(f"[Debug Input] input_video_mask shape: {input_video_mask.shape}") print("-" * 40) if hypernetwork is not None and lilora_network is not None: emg_ref_values = build_emg_ref_values(sample_info, first_frame_path, args['video_length'], args['cli_args']) if emg_ref_values is not None: if multimodal_ref_encoder is None: multimodal_ref_encoder, _ = build_multimodal_ref_encoder( args["cli_args"], emg_ref_values, weight_dtype, ) multimodal_ref_encoder = multimodal_ref_encoder.to(device=device, dtype=weight_dtype) multimodal_ref_encoder.eval() ref_inputs = { key: torch.from_numpy(value).unsqueeze(0).to(device=device, dtype=weight_dtype) for key, value in emg_ref_values.items() } with torch.no_grad(): ref_features = multimodal_ref_encoder(ref_inputs) updated_layers = apply_hypernetwork_weights(hypernetwork, lilora_network, ref_features) print( f"Updated {updated_layers} LiLoRA layers with multimodal EMG reference features " f"from sample {video_name}." ) elif ref_video_path is not None and os.path.exists(ref_video_path): print(f"Generating weights from reference video: {ref_video_path}") ref_frames_tensor = load_ref_video_frames(ref_video_path, sample_size) _, F, _, _, _ = ref_frames_tensor.shape ref_pixel_values = ref_frames_tensor.permute(0, 4, 1, 2, 3).contiguous() ref_pixel_values = ref_pixel_values.to(dtype=weight_dtype) with torch.no_grad(): vae_device = get_model_device(vae) ref_pixel_values = ref_pixel_values.to(device=vae_device, dtype=weight_dtype) ref_features = vae.encode(ref_pixel_values).latent_dist.sample() ref_features = ref_features * vae.config.scaling_factor updated_layers = apply_hypernetwork_weights(hypernetwork, lilora_network, ref_features) print(f"Updated {updated_layers} LiLoRA layers with hypernetwork weights from {F} reference frames.") generator = torch.Generator(device=device).manual_seed(args.get('seed', 43)) with torch.no_grad(): sample = pipeline( prompt, num_frames=args['video_length'], negative_prompt=args.get('negative_prompt', ''), height=sample_size[0], width=sample_size[1], generator=generator, guidance_scale=args.get('guidance_scale', 6.0), num_inference_steps=args.get('num_inference_steps', 50), video=input_video, mask_video=input_video_mask ).videos print(f"\n[Debug Pipeline Output @ Inference]") print(f"[Debug Pipeline] Original image size: ({original_width}, {original_height})") print(f"[Debug Pipeline] Sample size requested: ({sample_size[0]}, {sample_size[1]})") print(f"[Debug Pipeline] Pipeline output shape: {sample.shape}") if isinstance(sample, torch.Tensor): if sample.dim() == 5: B, C, F, H, W = sample.shape print(f"[Debug Pipeline] Output tensor shape: B={B}, C={C}, F={F}, H={H}, W={W}") expected_H = original_height expected_W = original_width print(f"\n[Debug Size Verification]") print(f"[Debug] Comparing: Original image ({original_height}, {original_width}) vs Output video ({H}, {W})") if H == expected_H and W == expected_W: print(f"[Debug] ✓ Size MATCH! Output matches original image size") else: print(f"[Debug] ✗ Size MISMATCH!") print(f"[Debug] Expected: ({expected_H}, {expected_W})") print(f"[Debug] Got: ({H}, {W})") print(f"[Debug] Difference: H={H-expected_H} ({((H-expected_H)/expected_H*100):.1f}%), W={W-expected_W} ({((W-expected_W)/expected_W*100):.1f}%)") if H != expected_H or W != expected_W: print(f"\n[Debug Analysis]") print(f"[Debug] VAE config - scaling_factor: {vae.config.scaling_factor}") print(f"[Debug] VAE config - latent_channels: {vae.config.latent_channels}") if hasattr(vae, 'config') and hasattr(vae.config, 'decoder'): print(f"[Debug] VAE decoder will upsample by factor of 4x or 8x") else: print(f"[Debug Pipeline] Unexpected tensor dimensions: {sample.dim()}") print("-" * 80) return sample def main(): args = parse_args() # Convert weight dtype string to torch dtype weight_dtype_map = { "bfloat16": torch.bfloat16, "float16": torch.float16, "float32": torch.float32 } weight_dtype = weight_dtype_map.get(args.weight_dtype, torch.bfloat16) # GPU memory mode, which can be chosen in [model_full_load, model_full_load_and_qfloat8, model_cpu_offload, model_cpu_offload_and_qfloat8, sequential_cpu_offload]. # model_full_load means that the entire model will be moved to the GPU. # # model_full_load_and_qfloat8 means that the entire model will be moved to the GPU, # and the transformer model has been quantized to float8, which can save more GPU memory. # # model_cpu_offload means that the entire model will be moved to the CPU after use, which can save some GPU memory. # # model_cpu_offload_and_qfloat8 indicates that the entire model will be moved to the CPU after use, # and the transformer model has been quantized to float8, which can save more GPU memory. # # sequential_cpu_offload means that each layer of the model will be moved to the CPU after use, # resulting in slower speeds but saving a large amount of GPU memory. GPU_memory_mode = args.gpu_memory_mode # Multi GPUs config # Please ensure that the product of ulysses_degree and ring_degree equals the number of GPUs used. # For example, if you are using 8 GPUs, you can set ulysses_degree = 2 and ring_degree = 4. # If you are using 1 GPU, you can set ulysses_degree = 1 and ring_degree = 1. ulysses_degree = args.ulysses_degree ring_degree = args.ring_degree # Use FSDP to save more GPU memory in multi gpus. fsdp_dit = args.fsdp_dit fsdp_text_encoder = args.fsdp_text_encoder # Compile will give a speedup in fixed resolution and need a little GPU memory. # The compile_dit is not compatible with the fsdp_dit and sequential_cpu_offload. compile_dit = args.compile_dit # Config and model path model_name = args.model_name # Choose the sampler in "Euler" "Euler A" "DPM++" "PNDM" "DDIM_Cog" and "DDIM_Origin" sampler_name = args.sampler_name # Load pretrained model if need transformer_path = args.transformer_path vae_path = args.vae_path # LiLoRA and HyperNetwork paths lilora_path = args.lilora_path hypernetwork_path = args.hypernetwork_path # Input data paths first_frame_path = args.first_frame_path ref_video_path = args.ref_video_path # LiLoRA params (should match training config) lora_rank = args.lora_rank lora_down_dim = args.lora_down_dim lora_up_dim = args.lora_up_dim lora_weight = args.lora_weight # Other params sample_size = [384, 672] # V1.0 and V1.1 support up to 49 frames of video generation, # while V1.5 supports up to 85 frames. video_length = args.video_length fps = args.fps # If you want to generate ultra long videos, please set partial_video_length as the length of each sub video segment partial_video_length = args.partial_video_length overlap_video_length = args.overlap_video_length # If you want to generate from text, please set the validation_image_start = None and validation_image_end = None validation_image_start = None # Will be set from first_frame_path below validation_image_end = None # Use first_frame_path for image-to-video generation # If first_frame_path is provided, it will be used as the starting frame # and sample_size will be set to match the first frame dimensions # Note: If test_json_path is provided, first_frame_path will be read from JSON if args.test_json_path is None: # Only check when NOT using test JSON if first_frame_path is not None and os.path.exists(first_frame_path): first_frame = Image.open(first_frame_path).convert('RGB') W, H = first_frame.size sample_size = [H, W] # PIL image.size is (W, H), sample_size should be [H, W] validation_image_start = first_frame_path validation_image_end = None print(f"Using first frame from: {first_frame_path}, sample_size: {sample_size}") else: raise ValueError("first_frame_path must be provided and exist for direct I2V inference") # HyperNetwork reference video path (required when using hypernetwork) # Reference video should be a video file path or a list of image frames # The reference video will be encoded by VAE and used by HyperNetwork to generate LiLoRA weights ref_video_path = args.ref_video_path # prompts prompt = args.prompt negative_prompt = args.negative_prompt guidance_scale = args.guidance_scale seed = args.seed num_inference_steps = args.num_inference_steps lora_weight = args.lora_weight save_path = args.save_path # 初始化多 GPU 设备 device = set_multi_gpus_devices(ulysses_degree, ring_degree) transformer = CogVideoXTransformer3DModel.from_pretrained( model_name, subfolder="transformer", low_cpu_mem_usage=True, torch_dtype=weight_dtype, ).to(weight_dtype) if transformer_path is not None: print(f"From checkpoint: {transformer_path}") if transformer_path.endswith("safetensors"): from safetensors.torch import load_file, safe_open state_dict = load_file(transformer_path) else: state_dict = torch.load(transformer_path, map_location="cpu") state_dict = state_dict["state_dict"] if "state_dict" in state_dict else state_dict m, u = transformer.load_state_dict(state_dict, strict=False) print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") # Get Vae vae = AutoencoderKLCogVideoX.from_pretrained( model_name, subfolder="vae" ).to(weight_dtype) vae.enable_tiling() if vae_path is not None: print(f"From checkpoint: {vae_path}") if vae_path.endswith("safetensors"): from safetensors.torch import load_file, safe_open state_dict = load_file(vae_path) else: state_dict = torch.load(vae_path, map_location="cpu") state_dict = state_dict["state_dict"] if "state_dict" in state_dict else state_dict m, u = vae.load_state_dict(state_dict, strict=False) print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") # Get tokenizer and text_encoder tokenizer = T5Tokenizer.from_pretrained( model_name, subfolder="tokenizer" ) text_encoder = T5EncoderModel.from_pretrained( model_name, subfolder="text_encoder", torch_dtype=weight_dtype ) # Get Scheduler Chosen_Scheduler = scheduler_dict = { "Euler": EulerDiscreteScheduler, "Euler A": EulerAncestralDiscreteScheduler, "DPM++": DPMSolverMultistepScheduler, "PNDM": PNDMScheduler, "DDIM_Cog": CogVideoXDDIMScheduler, "DDIM_Origin": DDIMScheduler, }[sampler_name] scheduler = Chosen_Scheduler.from_pretrained( model_name, subfolder="scheduler" ) if transformer.config.in_channels != vae.config.latent_channels: pipeline = CogVideoXFunInpaintPipeline( vae=vae, tokenizer=tokenizer, text_encoder=text_encoder, transformer=transformer, scheduler=scheduler, ) else: pipeline = CogVideoXFunPipeline( vae=vae, tokenizer=tokenizer, text_encoder=text_encoder, transformer=transformer, scheduler=scheduler, ) if ulysses_degree > 1 or ring_degree > 1: from functools import partial transformer.enable_multi_gpus_inference() if fsdp_dit: shard_fn = partial(shard_model, device_id=device, param_dtype=weight_dtype) pipeline.transformer = shard_fn(pipeline.transformer) print("Add FSDP DIT") if fsdp_text_encoder: shard_fn = partial(shard_model, device_id=device, param_dtype=weight_dtype) pipeline.text_encoder = shard_fn(pipeline.text_encoder) print("Add FSDP TEXT ENCODER") if compile_dit: for i in range(len(pipeline.transformer.transformer_blocks)): pipeline.transformer.transformer_blocks[i] = torch.compile(pipeline.transformer.transformer_blocks[i]) print("Add Compile") if GPU_memory_mode == "sequential_cpu_offload": pipeline.enable_sequential_cpu_offload(device=device) elif GPU_memory_mode == "model_cpu_offload_and_qfloat8": convert_model_weight_to_float8(transformer, exclude_module_name=[], device=device) convert_weight_dtype_wrapper(transformer, weight_dtype) pipeline.enable_model_cpu_offload(device=device) elif GPU_memory_mode == "model_cpu_offload": pipeline.enable_model_cpu_offload(device=device) elif GPU_memory_mode == "model_full_load_and_qfloat8": convert_model_weight_to_float8(transformer, exclude_module_name=[], device=device) convert_weight_dtype_wrapper(transformer, weight_dtype) pipeline.to(device=device) else: pipeline.to(device=device) generator = torch.Generator(device=device).manual_seed(seed) lilora_network = None if lilora_path is not None: lora_weight_dim = (lora_down_dim + lora_up_dim) * lora_rank lilora_network = create_network( multiplier=lora_weight, network_dim=lora_rank, network_alpha=lora_weight, text_encoder=pipeline.text_encoder, transformer=pipeline.transformer, down_dim=lora_down_dim, up_dim=lora_up_dim, is_train=False, ) lilora_network.apply_to(pipeline.text_encoder, pipeline.transformer, apply_text_encoder=False, apply_unet=True) from safetensors.torch import load_file lora_state_dict = load_file(lilora_path) info = lilora_network.load_weights(lilora_path) print(f"LiLoRA weights loaded from {lilora_path} (missing: {len(info.missing_keys)}, unexpected: {len(info.unexpected_keys)})") print(f"Total LoRA modules in UNet: {len(lilora_network.unet_loras)}") hypernetwork = None multimodal_ref_encoder = None if hypernetwork_path is not None and lilora_network is not None: from safetensors.torch import load_file lora_weight_dim = (lora_down_dim + lora_up_dim) * lora_rank weight_num = len(lilora_network.unet_loras) hyper_state_dict = load_file(hypernetwork_path) hypernetwork_input_dim = get_hypernetwork_input_dim(args, hyper_state_dict, None) print( f"Creating VideoHyperDream with weight_num={weight_num}, " f"weight_dim={lora_weight_dim}, video_feat_dim={hypernetwork_input_dim}" ) hypernetwork = VideoHyperDream( video_feat_dim=hypernetwork_input_dim, weight_num=weight_num, weight_dim=lora_weight_dim, ).to(device=device, dtype=weight_dtype) hypernetwork.load_state_dict(hyper_state_dict, strict=False) hypernetwork.eval() if lilora_network is not None and len(lilora_network.unet_loras) > 0: hypernetwork.set_lilora(lilora_network.unet_loras) hypernetwork.set_device(device) print(f"HyperNetwork loaded. Connected to {len(lilora_network.unet_loras)} LiLoRA layers from create_network.") else: print("Warning: No LiLoRA layers found from create_network!") hypernetwork = None def save_results(sample, video_length, video_name=None): if not os.path.exists(save_path): os.makedirs(save_path, exist_ok=True) if video_name is None: index = len([path for path in os.listdir(save_path)]) + 1 prefix = str(index).zfill(8) video_name = prefix if video_length == 1: video_path = os.path.join(save_path, video_name + ".png") image = sample[0, :, 0] image = image.transpose(0, 1).transpose(1, 2) image = (image * 255).numpy().astype(np.uint8) image = Image.fromarray(image) image.save(video_path) else: video_path = os.path.join(save_path, video_name + ".mp4") save_videos_grid(sample, video_path, fps=fps) print(f"Results saved to: {video_path}") return video_path def process_test_set(): if args.test_json_path is None or not os.path.exists(args.test_json_path): print("No test JSON path provided or file not found.") return json_dir = os.path.dirname(os.path.abspath(args.test_json_path)) with open(args.test_json_path, 'r') as f: test_data = json.load(f) if isinstance(test_data, list): samples = test_data elif isinstance(test_data, dict): samples = test_data.get('samples', []) else: print(f"Unknown test data format in {args.test_json_path}") return print(f"Processing {len(samples)} test samples...") for idx, sample_info in enumerate(samples): print(f"\n{'='*60}") print(f"Processing sample {idx + 1}/{len(samples)}: {sample_info.get('video_name', f'sample_{idx}')}") print(f"{'='*60}") try: sample_info_copy = sample_info.copy() sample_first_frame = _resolve_path(sample_info.get('first_frame_path'), json_dir) sample_ref_video_path = _resolve_path(sample_info.get('ref_video_path'), json_dir) sample_participant_path = _resolve_path(sample_info.get('participant_path'), json_dir) if sample_first_frame: if os.path.exists(sample_first_frame): first_frame = Image.open(sample_first_frame).convert('RGB') W, H = first_frame.size current_sample_size = [H, W] # PIL image.size is (W, H), sample_size should be [H, W] print(f"Dynamic sample_size: {current_sample_size}") sample_info_copy['first_frame_path'] = sample_first_frame else: raise FileNotFoundError(f"first_frame_path not found: {sample_first_frame}") else: raise ValueError("first_frame_path must be provided for I2V inference") if sample_ref_video_path is not None: sample_info_copy['ref_video_path'] = sample_ref_video_path if sample_participant_path is not None: sample_info_copy['participant_path'] = sample_participant_path sample_args = { 'video_length': args.video_length, 'seed': args.seed + idx, 'negative_prompt': args.negative_prompt, 'guidance_scale': args.guidance_scale, 'num_inference_steps': args.num_inference_steps, 'prompt': args.prompt, 'cli_args': args, } sample = process_sample( pipeline=pipeline, vae=vae, device=device, weight_dtype=weight_dtype, hypernetwork=hypernetwork, lilora_network=lilora_network, multimodal_ref_encoder=multimodal_ref_encoder, sample_info=sample_info_copy, sample_size=current_sample_size, args=sample_args ) if sample is not None: video_name = sample_info.get('video_name', f'sample_{idx}') save_results(sample, sample_args['video_length'], video_name) else: print(f"Skipping sample {idx + 1} due to missing first frame.") except Exception as e: print(f"Error processing sample {idx + 1}: {str(e)}") import traceback traceback.print_exc() print(f"\nAll {len(samples)} samples processed.") if args.test_json_path is not None: process_test_set() else: if partial_video_length is not None: partial_video_length = int((partial_video_length - 1) // vae.config.temporal_compression_ratio * vae.config.temporal_compression_ratio) + 1 if video_length != 1 else 1 latent_frames = (partial_video_length - 1) // vae.config.temporal_compression_ratio + 1 if partial_video_length != 1 and transformer.config.patch_size_t is not None and latent_frames % transformer.config.patch_size_t != 0: additional_frames = transformer.config.patch_size_t - latent_frames % transformer.config.patch_size_t partial_video_length += additional_frames * vae.config.temporal_compression_ratio init_frames = 0 last_frames = init_frames + partial_video_length while init_frames < video_length: if last_frames >= video_length: _partial_video_length = video_length - init_frames _partial_video_length = int((_partial_video_length - 1) // vae.config.temporal_compression_ratio * vae.config.temporal_compression_ratio) + 1 latent_frames = (_partial_video_length - 1) // vae.config.temporal_compression_ratio + 1 if _partial_video_length != 1 and transformer.config.patch_size_t is not None and latent_frames % transformer.config.patch_size_t != 0: additional_frames = transformer.config.patch_size_t - latent_frames % transformer.config.patch_size_t _partial_video_length += additional_frames * vae.config.temporal_compression_ratio if _partial_video_length <= 0: break else: _partial_video_length = partial_video_length input_video, input_video_mask, clip_image = get_image_to_video_latent(validation_image, None, video_length=_partial_video_length, sample_size=sample_size) if hypernetwork is not None and ref_video_path is not None and init_frames == 0: print(f"Loading reference video from {ref_video_path}...") ref_frames_tensor = load_ref_video_frames(ref_video_path, sample_size) _, F, _, _, _ = ref_frames_tensor.shape ref_pixel_values = ref_frames_tensor.permute(0, 4, 1, 2, 3).contiguous() with torch.no_grad(): vae_device = get_model_device(vae) ref_pixel_values = ref_pixel_values.to(device=vae_device, dtype=weight_dtype) ref_features = vae.encode(ref_pixel_values).latent_dist.sample() ref_features = ref_features * vae.config.scaling_factor updated_layers = apply_hypernetwork_weights(hypernetwork, lilora_network, ref_features) print(f"Updated {updated_layers} LiLoRA layers with hypernetwork weights from {F} reference frames.") with torch.no_grad(): sample = pipeline( args.prompt, num_frames = _partial_video_length, negative_prompt = negative_prompt, height = sample_size[0], width = sample_size[1], generator = generator, guidance_scale = guidance_scale, num_inference_steps = num_inference_steps, video = input_video, mask_video = input_video_mask ).videos if init_frames != 0: mix_ratio = torch.from_numpy( np.array([float(_index) / float(overlap_video_length) for _index in range(overlap_video_length)], np.float32) ).unsqueeze(0).unsqueeze(0).unsqueeze(-1).unsqueeze(-1) new_sample[:, :, -overlap_video_length:] = new_sample[:, :, -overlap_video_length:] * (1 - mix_ratio) + \ sample[:, :, :overlap_video_length] * mix_ratio new_sample = torch.cat([new_sample, sample[:, :, overlap_video_length:]], dim = 2) sample = new_sample else: new_sample = sample if last_frames >= video_length: break validation_image = [ Image.fromarray( (sample[0, :, _index].transpose(0, 1).transpose(1, 2) * 255).numpy().astype(np.uint8) ) for _index in range(-overlap_video_length, 0) ] init_frames = init_frames + _partial_video_length - overlap_video_length last_frames = init_frames + _partial_video_length else: video_length = int((video_length - 1) // vae.config.temporal_compression_ratio * vae.config.temporal_compression_ratio) + 1 if video_length != 1 else 1 latent_frames = (video_length - 1) // vae.config.temporal_compression_ratio + 1 if video_length != 1 and transformer.config.patch_size_t is not None and latent_frames % transformer.config.patch_size_t != 0: additional_frames = transformer.config.patch_size_t - latent_frames % transformer.config.patch_size_t video_length += additional_frames * vae.config.temporal_compression_ratio input_video, input_video_mask, clip_image = get_image_to_video_latent(validation_image_start, validation_image_end, video_length=video_length, sample_size=sample_size) if hypernetwork is not None and ref_video_path is not None: print(f"Loading reference video from {ref_video_path}...") ref_frames_tensor = load_ref_video_frames(ref_video_path, sample_size) _, F, _, _, _ = ref_frames_tensor.shape ref_pixel_values = ref_frames_tensor.permute(0, 4, 1, 2, 3).contiguous() with torch.no_grad(): vae_device = get_model_device(vae) ref_pixel_values = ref_pixel_values.to(device=vae_device, dtype=weight_dtype) ref_features = vae.encode(ref_pixel_values).latent_dist.sample() ref_features = ref_features * vae.config.scaling_factor updated_layers = apply_hypernetwork_weights(hypernetwork, lilora_network, ref_features) print(f"Updated {updated_layers} LiLoRA layers with hypernetwork weights from {F} reference frames.") with torch.no_grad(): sample = pipeline( args.prompt, num_frames = video_length, negative_prompt = negative_prompt, height = sample_size[0], width = sample_size[1], generator = generator, guidance_scale = guidance_scale, num_inference_steps = num_inference_steps, video = input_video, mask_video = input_video_mask ).videos if args.test_json_path is not None: process_test_set() else: if ulysses_degree * ring_degree > 1: import torch.distributed as dist if dist.get_rank() == 0: save_results(sample, video_length) else: save_results(sample, video_length) if __name__ == "__main__": main()