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[wan] fix wan 2.2 when either of the transformers isn't present.#13055

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Merged
yiyixuxu merged 2 commits into from
Jan 29, 2026
+14 −4
Merged

[wan] fix wan 2.2 when either of the transformers isn't present. #13055

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0af0f5f
fix wan 2.2 when either of the transformers isn't present.
sayakpaul Jan 29, 2026
fdeee31
Merge branch 'main' into wan-22-fixes
sayakpaul Jan 29, 2026
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9 changes: 7 additions & 2 deletions src/diffusers/pipelines/wan/pipeline_wan.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -496,8 +496,13 @@ def __call__(
num_frames = num_frames // self.vae_scale_factor_temporal * self.vae_scale_factor_temporal + 1
num_frames = max(num_frames, 1)

h_multiple_of = self.vae_scale_factor_spatial * self.transformer.config.patch_size[1]
w_multiple_of = self.vae_scale_factor_spatial * self.transformer.config.patch_size[2]
patch_size = (
self.transformer.config.patch_size
if self.transformer is not None
else self.transformer_2.config.patch_size
)
h_multiple_of = self.vae_scale_factor_spatial * patch_size[1]
w_multiple_of = self.vae_scale_factor_spatial * patch_size[2]
calc_height = height // h_multiple_of * h_multiple_of
calc_width = width // w_multiple_of * w_multiple_of
if height != calc_height or width != calc_width:
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9 changes: 7 additions & 2 deletions src/diffusers/pipelines/wan/pipeline_wan_i2v.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -637,8 +637,13 @@ def __call__(
num_frames = num_frames // self.vae_scale_factor_temporal * self.vae_scale_factor_temporal + 1
num_frames = max(num_frames, 1)

h_multiple_of = self.vae_scale_factor_spatial * self.transformer.config.patch_size[1]
w_multiple_of = self.vae_scale_factor_spatial * self.transformer.config.patch_size[2]
patch_size = (
self.transformer.config.patch_size
if self.transformer is not None
else self.transformer_2.config.patch_size
)
h_multiple_of = self.vae_scale_factor_spatial * patch_size[1]
w_multiple_of = self.vae_scale_factor_spatial * patch_size[2]
calc_height = height // h_multiple_of * h_multiple_of
calc_width = width // w_multiple_of * w_multiple_of
if height != calc_height or width != calc_width:
Expand Down
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