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4f4376a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | # Copyright 2025 The HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from ...loaders import WanLoraLoaderMixin
from ...pipelines.pipeline_utils import StableDiffusionMixin
from ...utils import logging
from ..modular_pipeline import ModularPipeline
logger = logging.get_logger(__name__) # pylint: disable=invalid-name
class WanModularPipeline(
ModularPipeline,
StableDiffusionMixin,
WanLoraLoaderMixin,
):
"""
A ModularPipeline for Wan2.1 text2video.
> [!WARNING] > This is an experimental feature and is likely to change in the future.
"""
default_blocks_name = "WanBlocks"
@property
def default_height(self):
return self.default_sample_height * self.vae_scale_factor_spatial
@property
def default_width(self):
return self.default_sample_width * self.vae_scale_factor_spatial
@property
def default_num_frames(self):
return (self.default_sample_num_frames - 1) * self.vae_scale_factor_temporal + 1
@property
def default_sample_height(self):
return 60
@property
def default_sample_width(self):
return 104
@property
def default_sample_num_frames(self):
return 21
@property
def patch_size_spatial(self):
patch_size_spatial = 2
if hasattr(self, "transformer") and self.transformer is not None:
patch_size_spatial = self.transformer.config.patch_size[1]
return patch_size_spatial
@property
def vae_scale_factor_spatial(self):
vae_scale_factor = 8
if hasattr(self, "vae") and self.vae is not None:
vae_scale_factor = 2 ** len(self.vae.temperal_downsample)
return vae_scale_factor
@property
def vae_scale_factor_temporal(self):
vae_scale_factor = 4
if hasattr(self, "vae") and self.vae is not None:
vae_scale_factor = 2 ** sum(self.vae.temperal_downsample)
return vae_scale_factor
@property
def num_channels_transformer(self):
num_channels_transformer = 16
if hasattr(self, "transformer") and self.transformer is not None:
num_channels_transformer = self.transformer.config.in_channels
return num_channels_transformer
@property
def num_channels_latents(self):
num_channels_latents = 16
if hasattr(self, "vae") and self.vae is not None:
num_channels_latents = self.vae.config.z_dim
return num_channels_latents
@property
def requires_unconditional_embeds(self):
requires_unconditional_embeds = False
if hasattr(self, "guider") and self.guider is not None:
requires_unconditional_embeds = self.guider._enabled and self.guider.num_conditions > 1
return requires_unconditional_embeds
@property
def num_train_timesteps(self):
num_train_timesteps = 1000
if hasattr(self, "scheduler") and self.scheduler is not None:
num_train_timesteps = self.scheduler.config.num_train_timesteps
return num_train_timesteps
class WanImage2VideoModularPipeline(WanModularPipeline):
"""
A ModularPipeline for Wan2.1 image2video (both I2V and FLF2V).
> [!WARNING] > This is an experimental feature and is likely to change in the future.
"""
default_blocks_name = "WanImage2VideoAutoBlocks"
class Wan22ModularPipeline(WanModularPipeline):
"""
A ModularPipeline for Wan2.2 text2video.
> [!WARNING] > This is an experimental feature and is likely to change in the future.
"""
default_blocks_name = "Wan22Blocks"
class Wan22Image2VideoModularPipeline(Wan22ModularPipeline):
"""
A ModularPipeline for Wan2.2 image2video.
> [!WARNING] > This is an experimental feature and is likely to change in the future.
"""
default_blocks_name = "Wan22Image2VideoBlocks"
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