Upload app.py with huggingface_hub

app.py

@@ -405,7 +405,7 @@ def _generate(request, steps, seed):
     return videos, None if audio is None else audio[0].cpu(), sr
 
 
-def replace_background(clip, prompt, relight, budget, steps, seed, keep_audio, harmonize=True, remove_only=False, progress=None):
+def replace_background(clip, prompt, budget, steps, seed, keep_audio, harmonize=True, remove_only=False, progress=None):
     """Clip + a background description -> the subject on that new background. With remove_only, the subject on black
     (no new background, no H3 - just the matte)."""
     progress = progress or (lambda *a, **k: None)
@@ -450,7 +450,7 @@ def replace_background(clip, prompt, relight, budget, steps, seed, keep_audio, h
     green, matte = green[:n], matte[:n]
     clip_h, clip_w = green.shape[1], green.shape[2]
 
-    mask = background_mask(matte, float(relight))[:n]
+    mask = background_mask(matte, 0.0)[:n]
     ref_path = gray_reference(green[0], matte[0])
 
     short_edge, max_pixels = BUDGETS[budget]
@@ -478,8 +478,8 @@ def replace_background(clip, prompt, relight, budget, steps, seed, keep_audio, h
     progress(0.95, desc="Finishing ...")
     raw = np.stack([np.asarray(f) for f in generated])
     gen = np.stack([np.asarray(Image.fromarray(f).resize((clip_w, clip_h), Image.Resampling.LANCZOS)) for f in raw])
-    if bool(harmonize) or float(relight) > 0:
-        # harmonize (full-frame mask-drop refine) or relight produced the final subject in H3's own frame; use it
+    if bool(harmonize):
+        # the harmonize (full-frame mask-drop) pass produced the final subject in H3's own frame; use it directly
         frames = gen
     else:
         # Full-frame composite: restore the exact subject pixels, feathering ONLY the subject boundary. paste_back's
@@ -507,17 +507,17 @@ def replace_background(clip, prompt, relight, budget, steps, seed, keep_audio, h
 _HERE = os.path.dirname(os.path.abspath(__file__))
 EXAMPLES = [
     [os.path.join(_HERE, "examples/subject.mp4"),
-     "a sunny tropical beach, white sand, palm trees and turquoise ocean waves behind the subject, bright warm daylight, static camera", 0.0],
+     "a sunny tropical beach, white sand, palm trees and turquoise ocean waves behind the subject, bright warm daylight, static camera"],
     [os.path.join(_HERE, "examples/subject.mp4"),
-     "a neon-lit cyberpunk city street at night, rain and glowing signs reflecting on wet asphalt behind the subject, cool moody light", 0.0],
+     "a neon-lit cyberpunk city street at night, rain and glowing signs reflecting on wet asphalt behind the subject, cool moody light"],
     [os.path.join(_HERE, "examples/dance.mp4"),
-     "a concert stage with dramatic blue and magenta spotlights and haze, dark background, cinematic", 0.0],
+     "a concert stage with dramatic blue and magenta spotlights and haze, dark background, cinematic"],
 ]
 
-def run_classic(clip, prompt, relight, budget, steps, seed, keep_audio, harmonize, remove_only, progress=gr.Progress()):
+def run_classic(clip, prompt, budget, steps, seed, keep_audio, harmonize, remove_only, progress=gr.Progress()):
     """Wraps replace_background so gradio injects a progress tracker - the handler then reports its stages
     (removing the background, then generating the new one) on the UI progress bar."""
-    return replace_background(clip, prompt, relight, budget, steps, seed, keep_audio, harmonize, remove_only,
+    return replace_background(clip, prompt, budget, steps, seed, keep_audio, harmonize, remove_only,
                               progress=progress)
 
 
@@ -529,8 +529,8 @@ with gr.Blocks(title="Video Replace Background") as demo:
         "the background around it with [MiniMax-H3](https://huggingface.co/multimodalart/MiniMax-H3-Pruned) "
         "([inpainting modular blocks](https://huggingface.co/diffusers-modular/minimax-h3-inpainting), "
         "[turbo LoRA](https://huggingface.co/lightx2v/Minimax-h3-Turbo)) - or just remove the background. "
-        "**Harmonize** (on) runs a second refinement pass so the subject's lighting blends into the new scene "
-        "(the main cure for the cutout look); **relight** is an alternative lever that adjusts only the subject."
+        "**Harmonize** (on) runs a second refinement pass so the subject's lighting blends into the new scene, "
+        "the main cure for the cutout look."
     )
     with gr.Row():
         with gr.Column():
@@ -540,8 +540,6 @@ with gr.Blocks(title="Video Replace Background") as demo:
             harmonize = gr.Checkbox(value=True, label="Harmonize the subject into the scene",
                                     info="A second refinement pass blends the subject's lighting into the new "
                                          "background (recommended). Costs roughly 2x the time.")
-            relight = gr.Slider(0.0, 0.4, value=0.0, step=0.05, label="Relight strength",
-                                info="Alternative to harmonize - adjusts only the subject. 0 holds it exactly.")
             with gr.Accordion("Settings", open=False):
                 budget = gr.Dropdown(list(BUDGETS), value=DEFAULT_BUDGET, label="Quality / speed")
                 steps = gr.Slider(4, 28, value=DEFAULT_STEPS, step=1, label="Steps (turbo)")
@@ -554,9 +552,9 @@ with gr.Blocks(title="Video Replace Background") as demo:
                 matte_view = gr.Video(label="Alpha matte")
                 mask_view = gr.Video(label="Background mask (white = repainted)")
 
-    gr.Examples(examples=EXAMPLES, inputs=[clip, prompt, relight], label="Examples", cache_examples=False)
+    gr.Examples(examples=EXAMPLES, inputs=[clip, prompt], label="Examples", cache_examples=False)
 
-    run.click(run_classic, [clip, prompt, relight, budget, steps, seed, keep_audio, harmonize, remove_bg],
+    run.click(run_classic, [clip, prompt, budget, steps, seed, keep_audio, harmonize, remove_bg],
               [result, matte_view, mask_view], api_name="replace_background")