feat: add clamp option

Author: flavioschneider

audio_diffusion_pytorch/diffusion.py

@@ -555,12 +555,14 @@ def __init__(
         sampler: Sampler,
         sigma_schedule: Schedule,
         num_steps: Optional[int] = None,
+        clamp: bool = True,
     ):
         super().__init__()
         self.denoise_fn = diffusion.denoise_fn
         self.sampler = sampler
         self.sigma_schedule = sigma_schedule
         self.num_steps = num_steps
+        self.clamp = clamp
 
         # Check sampler is compatible with diffusion type
         sampler_class = sampler.__class__.__name__
@@ -581,7 +583,7 @@ def forward(
         fn = lambda *a, **ka: self.denoise_fn(*a, **{**ka, **kwargs})  # noqa
         # Sample using sampler
         x = self.sampler(noise, fn=fn, sigmas=sigmas, num_steps=num_steps)
-        x = x.clamp(-1.0, 1.0)
+        x = x.clamp(-1.0, 1.0) if self.clamp else x
         return x
 
 

audio_diffusion_pytorch/model.py

@@ -57,13 +57,15 @@ def sample(
         num_steps: int,
         sigma_schedule: Schedule,
         sampler: Sampler,
+        clamp: bool,
         **kwargs,
     ) -> Tensor:
         diffusion_sampler = DiffusionSampler(
             diffusion=self.diffusion,
             sampler=sampler,
             sigma_schedule=sigma_schedule,
             num_steps=num_steps,
+            clamp=clamp,
         )
         return diffusion_sampler(noise, **kwargs)
 
@@ -251,10 +253,7 @@ def get_default_model_kwargs():
 
 
 def get_default_sampling_kwargs():
-    return dict(
-        sigma_schedule=LinearSchedule(),
-        sampler=VSampler(),
-    )
+    return dict(sigma_schedule=LinearSchedule(), sampler=VSampler(), clamp=True)
 
 
 class AudioDiffusionModel(Model1d):

setup.py

@@ -3,7 +3,7 @@
 setup(
     name="audio-diffusion-pytorch",
     packages=find_packages(exclude=[]),
-    version="0.0.74",
+    version="0.0.75",
     license="MIT",
     description="Audio Diffusion - PyTorch",
     long_description_content_type="text/markdown",