animatediff full latent mode

This commit is contained in:
Vladimir Mandic
2023-12-05 14:07:52 -05:00
parent 6cec284a6f
commit 0febcc2aa8
5 changed files with 70 additions and 37 deletions
+47 -29
View File
@@ -11,56 +11,74 @@ from modules import shared
debug = shared.log.info if os.environ.get('SD_HDR_DEBUG', None) is not None else lambda *args, **kwargs: None
def soft_clamp_tensor(input_tensor, threshold=0.8, boundary=4):
def soft_clamp_tensor(tensor, threshold=0.8, boundary=4):
# shrinking towards the mean; will also remove outliers
if max(abs(input_tensor.max()), abs(input_tensor.min())) < boundary or threshold == 0:
return input_tensor
if max(abs(tensor.max()), abs(tensor.min())) < boundary or threshold == 0:
return tensor
channel_dim = 1
threshold *= boundary
max_vals = input_tensor.max(channel_dim, keepdim=True)[0]
max_replace = ((input_tensor - threshold) / (max_vals - threshold)) * (boundary - threshold) + threshold
over_mask = input_tensor > threshold
min_vals = input_tensor.min(channel_dim, keepdim=True)[0]
min_replace = ((input_tensor + threshold) / (min_vals + threshold)) * (-boundary + threshold) - threshold
under_mask = input_tensor < -threshold
max_vals = tensor.max(channel_dim, keepdim=True)[0]
max_replace = ((tensor - threshold) / (max_vals - threshold)) * (boundary - threshold) + threshold
over_mask = tensor > threshold
min_vals = tensor.min(channel_dim, keepdim=True)[0]
min_replace = ((tensor + threshold) / (min_vals + threshold)) * (-boundary + threshold) - threshold
under_mask = tensor < -threshold
debug(f'HDE soft clamp: threshold={threshold} boundary={boundary}')
input_tensor = torch.where(over_mask, max_replace, torch.where(under_mask, min_replace, input_tensor))
return input_tensor
tensor = torch.where(over_mask, max_replace, torch.where(under_mask, min_replace, tensor))
return tensor
def center_tensor(input_tensor, channel_shift=1.0, full_shift=1.0, channels=[0, 1, 2, 3]): # pylint: disable=dangerous-default-value # noqa: B006
def center_tensor(tensor, channel_shift=1.0, full_shift=1.0, channels=[0, 1, 2, 3]): # pylint: disable=dangerous-default-value # noqa: B006
if channel_shift == 0 and full_shift == 0:
return input_tensor
return tensor
means = []
for channel in channels:
means.append(input_tensor[0, channel].mean())
input_tensor[0, channel] -= means[-1] * channel_shift
means.append(tensor[0, channel].mean())
tensor[0, channel] -= means[-1] * channel_shift
debug(f'HDR center: channel-shift{channel_shift} full-shift={full_shift} means={torch.stack(means)}')
input_tensor = input_tensor - input_tensor.mean() * full_shift
return input_tensor
tensor = tensor - tensor.mean() * full_shift
return tensor
def maximize_tensor(input_tensor, boundary=1.0, channels=[0, 1, 2]): # pylint: disable=dangerous-default-value # noqa: B006
def maximize_tensor(tensor, boundary=1.0, channels=[0, 1, 2]): # pylint: disable=dangerous-default-value # noqa: B006
if boundary == 1.0:
return input_tensor
return tensor
boundary *= 4
min_val = input_tensor.min()
max_val = input_tensor.max()
min_val = tensor.min()
max_val = tensor.max()
normalization_factor = boundary / max(abs(min_val), abs(max_val))
input_tensor[0, channels] *= normalization_factor
tensor[0, channels] *= normalization_factor
debug(f'HDR maximize: boundary={boundary} min={min_val} max={max_val} factor={normalization_factor}')
return input_tensor
return tensor
def correction_callback(p, timestep, kwags):
def correction(p, timestep, latent):
if timestep > 950 and p.hdr_clamp:
p.extra_generation_params["HDR clamp"] = f'{p.hdr_threshold}/{p.hdr_boundary}'
kwags["latents"] = soft_clamp_tensor(kwags["latents"], threshold=p.hdr_threshold, boundary=p.hdr_boundary)
latent = soft_clamp_tensor(latent, threshold=p.hdr_threshold, boundary=p.hdr_boundary)
if timestep > 700 and p.hdr_center:
p.extra_generation_params["HDR center"] = f'{p.hdr_channel_shift}/{p.hdr_full_shift}'
kwags["latents"] = center_tensor(kwags["latents"], channel_shift=p.hdr_channel_shift, full_shift=p.hdr_full_shift)
latent = center_tensor(latent, channel_shift=p.hdr_channel_shift, full_shift=p.hdr_full_shift)
if timestep > 1 and timestep < 100 and p.hdr_maximize:
p.extra_generation_params["HDR max"] = f'{p.hdr_max_center}/p.hdr_max_boundry'
kwags["latents"] = center_tensor(kwags["latents"], channel_shift=p.hdr_max_center, full_shift=1.0)
kwags["latents"] = maximize_tensor(kwags["latents"], boundary=p.hdr_max_boundry)
return kwags
latent = center_tensor(latent, channel_shift=p.hdr_max_center, full_shift=1.0)
latent = maximize_tensor(latent, boundary=p.hdr_max_boundry)
return latent
def correction_callback(p, timestep, kwargs):
if not p.hdr_clamp and not p.hdr_center and not p.hdr_maximize:
return kwargs
latents = kwargs["latents"]
if len(latents.shape) == 4: # standard batched latent
for i in range(latents.shape[0]):
latents[i] = correction(p, timestep, latents[i])
elif len(latents.shape) == 5 and latents.shape[0] == 1: # probably animatediff
latents = latents.squeeze(0).permute(1, 0, 2, 3)
for i in range(latents.shape[0]):
latents[i] = correction(p, timestep, latents[i])
latents = latents.permute(1, 0, 2, 3).unsqueeze(0)
else:
shared.log.debug(f'HDR correction: unknown latent shape {latents.shape}')
kwargs["latents"] = latents
return kwargs
+18 -6
View File
@@ -37,6 +37,10 @@ def process_diffusers(p: StableDiffusionProcessing, seeds, prompts, negative_pro
p.mask_for_overlay = images.resize_image(1, p.mask_for_overlay, tgt_width, tgt_height, upscaler_name=None)
def hires_resize(latents): # input=latents output=pil
if not torch.is_tensor(latents):
shared.log.warning('Hires: input is not tensor')
first_pass_images = vae_decode(latents=latents, model=shared.sd_model, full_quality=p.full_quality, output_type='pil')
return first_pass_images
latent_upscaler = shared.latent_upscale_modes.get(p.hr_upscaler, None)
shared.log.info(f'Hires: upscaler={p.hr_upscaler} width={p.hr_upscale_to_x} height={p.hr_upscale_to_y} images={latents.shape[0]}')
if latent_upscaler is not None:
@@ -59,9 +63,10 @@ def process_diffusers(p: StableDiffusionProcessing, seeds, prompts, negative_pro
for j in range(len(decoded)):
images.save_image(decoded[j], path=p.outpath_samples, basename="", seed=seeds[i], prompt=prompts[i], extension=shared.opts.samples_format, info=info, p=p, suffix=suffix)
def diffusers_callback_legacy(step: int, _timestep: int, latents: torch.FloatTensor):
def diffusers_callback_legacy(step: int, timestep: int, latents: torch.FloatTensor):
shared.state.sampling_step = step
shared.state.current_latent = latents
latents = correction_callback(p, timestep, {'latents': latents})
if shared.state.interrupted or shared.state.skipped:
raise AssertionError('Interrupted...')
if shared.state.paused:
@@ -386,9 +391,9 @@ def process_diffusers(p: StableDiffusionProcessing, seeds, prompts, negative_pro
shared.log.debug(f'Diffuser pipeline: {model.__class__.__name__} task={sd_models.get_diffusers_task(model)} set={clean}')
if p.hdr_clamp or p.hdr_center or p.hdr_maximize:
txt = 'HDR:'
txt += f' Clamp threshold={p.hdr_threshold} boundary={p.hdr_boundary}' if p.hdr_clamp else 'Clamp off'
txt += f' Center channel-shift={p.hdr_channel_shift} full-shift={p.hdr_full_shift}' if p.hdr_center else 'Center off'
txt += f' Maximize boundary={p.hdr_max_boundry} center={p.hdr_max_center}' if p.hdr_maximize else 'Maximize off'
txt += f' Clamp threshold={p.hdr_threshold} boundary={p.hdr_boundary}' if p.hdr_clamp else ' Clamp off'
txt += f' Center channel-shift={p.hdr_channel_shift} full-shift={p.hdr_full_shift}' if p.hdr_center else ' Center off'
txt += f' Maximize boundary={p.hdr_max_boundry} center={p.hdr_max_center}' if p.hdr_maximize else ' Maximize off'
shared.log.debug(txt)
# components = [{ k: getattr(v, 'device', None) } for k, v in model.components.items()]
# shared.log.debug(f'Diffuser pipeline components: {components}')
@@ -659,8 +664,15 @@ def process_diffusers(p: StableDiffusionProcessing, seeds, prompts, negative_pro
# final decode since there is no refiner
if not is_refiner_enabled:
if output is not None and output.images is not None and len(output.images) > 0:
results = vae_decode(latents=output.images, model=shared.sd_model, full_quality=p.full_quality)
if output is not None:
if not hasattr(output, 'images') and hasattr(output, 'frames'):
shared.log.debug(f'Generated: frames={len(output.frames[0])}')
output.images = output.frames[0]
if output.images is not None and len(output.images) > 0:
results = vae_decode(latents=output.images, model=shared.sd_model, full_quality=p.full_quality)
else:
shared.log.warning('Processing returned no results')
results = []
else:
shared.log.warning('Processing returned no results')
results = []