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Fix: Handle edge case for img2img

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This commit is contained in:
filipstrand 2025-02-14 05:21:35 +01:00
parent 74173f543e
commit 821238284a
1 changed files with 7 additions and 5 deletions
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12
src/mflux/config/runtime_config.py
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@ -53,14 +53,16 @@ class RuntimeConfig:
@property
def init_time_step(self) -> int:
if self.config.init_image_path is None:
# For text-to-image, always begin at time step 0.
is_txt2img = self.config.init_image_path is None or self.config.init_image_strength == 0.0
if is_txt2img:
return 0
else:
# For image-to-image: higher strength means we skip more steps.
# 1. Clamp strength to [0, 1]
strength = max(0.0, min(1.0, self.config.init_image_strength))
t = max(1, int(self.num_inference_steps * strength))
return t
# 2. Return start time in [1, floor(num_steps * strength)]
return max(1, int(self.num_inference_steps * strength))
@property
def controlnet_strength(self) -> float | None: