Implement Wan2.2

video/Wan2.2/wan/configs/__init__.py

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+# Copyright 2024-2025 The Alibaba Wan Team Authors. All rights reserved.
+import copy
+import os
+
+os.environ['TOKENIZERS_PARALLELISM'] = 'false'
+
+from .wan_i2v_A14B import i2v_A14B
+from .wan_t2v_A14B import t2v_A14B
+from .wan_ti2v_5B import ti2v_5B
+
+WAN_CONFIGS = {
+    't2v-A14B': t2v_A14B,
+    'i2v-A14B': i2v_A14B,
+    'ti2v-5B': ti2v_5B,
+}
+
+SIZE_CONFIGS = {
+    '720*1280': (720, 1280),
+    '1280*720': (1280, 720),
+    '480*832': (480, 832),
+    '832*480': (832, 480),
+    '704*1280': (704, 1280),
+    '1280*704': (1280, 704)
+}
+
+MAX_AREA_CONFIGS = {
+    '720*1280': 720 * 1280,
+    '1280*720': 1280 * 720,
+    '480*832': 480 * 832,
+    '832*480': 832 * 480,
+    '704*1280': 704 * 1280,
+    '1280*704': 1280 * 704,
+}
+
+SUPPORTED_SIZES = {
+    't2v-A14B': ('720*1280', '1280*720', '480*832', '832*480'),
+    'i2v-A14B': ('720*1280', '1280*720', '480*832', '832*480'),
+    'ti2v-5B': ('704*1280', '1280*704'),
+}

video/Wan2.2/wan/configs/shared_config.py

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+# Copyright 2024-2025 The Alibaba Wan Team Authors. All rights reserved.
+import torch
+from easydict import EasyDict
+
+#------------------------ Wan shared config ------------------------#
+wan_shared_cfg = EasyDict()
+
+# t5
+wan_shared_cfg.t5_model = 'umt5_xxl'
+wan_shared_cfg.t5_dtype = torch.bfloat16
+wan_shared_cfg.text_len = 512
+
+# transformer
+wan_shared_cfg.param_dtype = torch.bfloat16
+
+# inference
+wan_shared_cfg.num_train_timesteps = 1000
+wan_shared_cfg.sample_fps = 16
+wan_shared_cfg.sample_neg_prompt = '色调艳丽，过曝，静态，细节模糊不清，字幕，风格，作品，画作，画面，静止，整体发灰，最差质量，低质量，JPEG压缩残留，丑陋的，残缺的，多余的手指，画得不好的手部，画得不好的脸部，畸形的，毁容的，形态畸形的肢体，手指融合，静止不动的画面，杂乱的背景，三条腿，背景人很多，倒着走'
+wan_shared_cfg.frame_num = 81

video/Wan2.2/wan/configs/wan_i2v_A14B.py

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+# Copyright 2024-2025 The Alibaba Wan Team Authors. All rights reserved.
+import torch
+from easydict import EasyDict
+
+from .shared_config import wan_shared_cfg
+
+#------------------------ Wan I2V A14B ------------------------#
+
+i2v_A14B = EasyDict(__name__='Config: Wan I2V A14B')
+i2v_A14B.update(wan_shared_cfg)
+
+i2v_A14B.t5_checkpoint = 'models_t5_umt5-xxl-enc-bf16.pth'
+i2v_A14B.t5_tokenizer = 'google/umt5-xxl'
+
+# vae
+i2v_A14B.vae_checkpoint = 'Wan2.1_VAE.pth'
+i2v_A14B.vae_stride = (4, 8, 8)
+
+# transformer
+i2v_A14B.patch_size = (1, 2, 2)
+i2v_A14B.dim = 5120
+i2v_A14B.ffn_dim = 13824
+i2v_A14B.freq_dim = 256
+i2v_A14B.num_heads = 40
+i2v_A14B.num_layers = 40
+i2v_A14B.window_size = (-1, -1)
+i2v_A14B.qk_norm = True
+i2v_A14B.cross_attn_norm = True
+i2v_A14B.eps = 1e-6
+i2v_A14B.low_noise_checkpoint = 'low_noise_model'
+i2v_A14B.high_noise_checkpoint = 'high_noise_model'
+
+# inference
+i2v_A14B.sample_shift = 5.0
+i2v_A14B.sample_steps = 40
+i2v_A14B.boundary = 0.900
+i2v_A14B.sample_guide_scale = (3.5, 3.5)  # low noise, high noise

video/Wan2.2/wan/configs/wan_t2v_A14B.py

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+# Copyright 2024-2025 The Alibaba Wan Team Authors. All rights reserved.
+from easydict import EasyDict
+
+from .shared_config import wan_shared_cfg
+
+#------------------------ Wan T2V A14B ------------------------#
+
+t2v_A14B = EasyDict(__name__='Config: Wan T2V A14B')
+t2v_A14B.update(wan_shared_cfg)
+
+# t5
+t2v_A14B.t5_checkpoint = 'models_t5_umt5-xxl-enc-bf16.safetensors'
+t2v_A14B.t5_tokenizer = 'google/umt5-xxl'
+
+# vae
+t2v_A14B.vae_checkpoint = 'Wan2.1_VAE.safetensors'
+t2v_A14B.vae_stride = (4, 8, 8)
+
+# transformer
+t2v_A14B.patch_size = (1, 2, 2)
+t2v_A14B.dim = 5120
+t2v_A14B.ffn_dim = 13824
+t2v_A14B.freq_dim = 256
+t2v_A14B.num_heads = 40
+t2v_A14B.num_layers = 40
+t2v_A14B.window_size = (-1, -1)
+t2v_A14B.qk_norm = True
+t2v_A14B.cross_attn_norm = True
+t2v_A14B.eps = 1e-6
+t2v_A14B.low_noise_checkpoint = 'low_noise_model'
+t2v_A14B.high_noise_checkpoint = 'high_noise_model'
+
+# inference
+t2v_A14B.sample_shift = 12.0
+t2v_A14B.sample_steps = 40
+t2v_A14B.boundary = 0.875
+t2v_A14B.sample_guide_scale = (3.0, 4.0)  # low noise, high noise

video/Wan2.2/wan/configs/wan_ti2v_5B.py

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+# Copyright 2024-2025 The Alibaba Wan Team Authors. All rights reserved.
+from easydict import EasyDict
+
+from .shared_config import wan_shared_cfg
+
+#------------------------ Wan TI2V 5B ------------------------#
+
+ti2v_5B = EasyDict(__name__='Config: Wan TI2V 5B')
+ti2v_5B.update(wan_shared_cfg)
+
+# t5
+ti2v_5B.t5_checkpoint = 'models_t5_umt5-xxl-enc-bf16.pth'
+ti2v_5B.t5_tokenizer = 'google/umt5-xxl'
+
+# vae
+ti2v_5B.vae_checkpoint = 'Wan2.2_VAE.pth'
+ti2v_5B.vae_stride = (4, 16, 16)
+
+# transformer
+ti2v_5B.patch_size = (1, 2, 2)
+ti2v_5B.dim = 3072
+ti2v_5B.ffn_dim = 14336
+ti2v_5B.freq_dim = 256
+ti2v_5B.num_heads = 24
+ti2v_5B.num_layers = 30
+ti2v_5B.window_size = (-1, -1)
+ti2v_5B.qk_norm = True
+ti2v_5B.cross_attn_norm = True
+ti2v_5B.eps = 1e-6
+
+# inference
+ti2v_5B.sample_fps = 24
+ti2v_5B.sample_shift = 5.0
+ti2v_5B.sample_steps = 50
+ti2v_5B.sample_guide_scale = 5.0
+ti2v_5B.frame_num = 121