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Align HunyuanVideoConditionEmbedding with CombinedTimestepGuidanceTextProjEmbeddings #12316

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Align HunyuanVideoConditionEmbedding with CombinedTimestepGuidanceTextProjEmbeddings #12316

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be5d742
conditioning additions inline with CombinedTimestepGuidanceTextProjEm…
samutamm Sep 11, 2025
9cd90d9
Merge branch 'main' into fix/hunyuan_video_embeddings
samutamm Sep 15, 2025
2e7b01b
Merge branch 'main' into fix/hunyuan_video_embeddings
samutamm Sep 16, 2025
38c0cb3
Merge branch 'main' into fix/hunyuan_video_embeddings
samutamm Sep 19, 2025
eaa082f
Merge branch 'main' into fix/hunyuan_video_embeddings
samutamm Sep 22, 2025
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6 changes: 3 additions & 3 deletions src/diffusers/models/transformers/transformer_hunyuan_video.py
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Original file line number Diff line number Diff line change
Expand Up @@ -293,7 +293,6 @@ def forward(
timesteps_proj = self.time_proj(timestep)
timesteps_emb = self.timestep_embedder(timesteps_proj.to(dtype=pooled_projection.dtype)) # (N, D)
pooled_projections = self.text_embedder(pooled_projection)
conditioning = timesteps_emb + pooled_projections

token_replace_emb = None
if self.image_condition_type == "token_replace":
Expand All @@ -305,8 +304,9 @@ def forward(
if self.guidance_embedder is not None:
guidance_proj = self.time_proj(guidance)
guidance_emb = self.guidance_embedder(guidance_proj.to(dtype=pooled_projection.dtype))
conditioning = conditioning + guidance_emb

conditioning = timesteps_emb + guidance_emb + pooled_projections
else:
conditioning = timesteps_emb + pooled_projections
return conditioning, token_replace_emb


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