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Fix HunyuanVideo 1.5 I2V by preprocessing image at pixel resolution i… #13440

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yiyixuxu merged 1 commit into from
Apr 10, 2026
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Fix HunyuanVideo 1.5 I2V by preprocessing image at pixel resolution i… #13440

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4 changes: 2 additions & 2 deletions src/diffusers/pipelines/hunyuan_video1_5/pipeline_hunyuan_video1_5_image2video.py
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Original file line number Diff line number Diff line change
Expand Up @@ -611,7 +611,7 @@ def prepare_cond_latents_and_mask(
tuple: (cond_latents_concat, mask_concat) - both are zero tensors for t2v
"""

batch, channels, frames, height, width = latents.shape
batch, channels, frames, latent_height, latent_width = latents.shape

image_latents = self._get_image_latents(
vae=self.vae,
Expand All @@ -626,7 +626,7 @@ def prepare_cond_latents_and_mask(
latent_condition[:, :, 1:, :, :] = 0
latent_condition = latent_condition.to(device=device, dtype=dtype)

latent_mask = torch.zeros(batch, 1, frames, height, width, dtype=dtype, device=device)
latent_mask = torch.zeros(batch, 1, frames, latent_height, latent_width, dtype=dtype, device=device)
latent_mask[:, :, 0, :, :] = 1.0

return latent_condition, latent_mask
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