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19 changes: 17 additions & 2 deletions freevideo_engine/geometry.py
Original file line number Diff line number Diff line change
Expand Up @@ -5,8 +5,23 @@


def geometry(width=1344, height=768, frames=None, seconds=None):
if any(not isinstance(n, int) or n < 256 or n % 32 for n in (width, height)):
raise ValueError('Width and height must be multiples of 32, at least 256 pixels.')
# Accept numpy integer types and integer-valued floats from upstream nodes,
# not only Python int; reject values that do not convert to a whole integer.
dims = []
for n in (width, height):
if isinstance(n, bool):
raise ValueError('Width and height must be multiples of 32, at least 256 pixels.')
# Normalize via float so strings ("640"), numpy integers and integer-valued
# floats all compare by numeric value rather than Python identity/type.
try:
f = float(n)
except (TypeError, ValueError):
raise ValueError('Width and height must be multiples of 32, at least 256 pixels.')
ni = int(f)
if f != ni or ni < 256 or ni % 32:
raise ValueError('Width and height must be multiples of 32, at least 256 pixels.')
dims.append(ni)
width, height = dims
if frames is not None and seconds is not None:
raise ValueError('Specify frames or seconds, not both.')
if seconds is not None and (not math.isfinite(seconds) or seconds <= 0):
Expand Down
13 changes: 11 additions & 2 deletions freevideo_engine/latent_upscale.py
Original file line number Diff line number Diff line change
Expand Up @@ -33,8 +33,17 @@ def upscale(video, checkpoint, width, height, *, memory_saving=False):
if (not isinstance(video, torch.Tensor) or video.ndim != 5 or tuple(video.shape[:2]) != (1,24)
or not video.is_floating_point() or not bool(torch.isfinite(video).all())):
raise ValueError('Latent upscaling requires finite batch-one, 24-channel video latents')
if any(type(value) is not int or value % 32 for value in (width,height)):
raise ValueError('Upscale target dimensions must be multiples of 32')
_dims = []
for value in (width, height):
try:
_f = float(value)
except (TypeError, ValueError):
raise ValueError('Upscale target dimensions must be multiples of 32')
_iv = int(_f)
if _f != _iv or _iv % 32:
raise ValueError('Upscale target dimensions must be multiples of 32')
_dims.append(_iv)
width, height = _dims
source_h, source_w = video.shape[-2:]
target_h, target_w = height//16, width//16
if target_h < source_h or target_w < source_w or target_h*source_w != target_w*source_h:
Expand Down