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Fix: Shape mismatch in extend mode causing AssertionError #373

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Fix: Shape mismatch in extend mode causing AssertionError #373

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13 changes: 13 additions & 0 deletions acestep/pipeline_ace_step.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1046,6 +1046,19 @@ def text2music_diffusion_process(
if right_pad_frame_length > 0:
padd_list.append(retake_latents[:, :, :, -right_pad_frame_length:])
target_latents = torch.cat(padd_list, dim=-1)

# Fix shape mismatch between target_latents and x0
if target_latents.shape[-1] != x0.shape[-1]:
if target_latents.shape[-1] < x0.shape[-1]:
# Pad with zeros if target_latents is shorter
padding = x0.shape[-1] - target_latents.shape[-1]
target_latents = torch.nn.functional.pad(
target_latents, (0, padding), "constant", 0
)
else:
# Trim if target_latents is longer
target_latents = target_latents[..., :x0.shape[-1]]

assert (
target_latents.shape[-1] == x0.shape[-1]
), f"{target_latents.shape=} {x0.shape=}"
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