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Jamie Hardt
2025-12-16 18:42:17 -08:00
parent a0c2bc77bf
commit f4f0ba9d74
2 changed files with 14 additions and 5 deletions
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9
pycmx/cdl.py
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@@ -18,7 +18,14 @@ class Rgb(Generic[T]):
class AscSopComponents(Generic[T]): class AscSopComponents(Generic[T]):
""" """
Fields in an ASC SOP (Slope-Offset-Power) color transfer function Fields in an ASC SOP (Slope-Offset-Power) color transfer function
statement statement.
The ASC SOP is a transfer function of the form:
:math:`y_color = (ax_color + b)^p`
for each color component the source, where the `slope` is `a`, `offset`
is `b` and `power` is `p`.
""" """
slope: Rgb[T] slope: Rgb[T]
offset: Rgb[T] offset: Rgb[T]

10
pycmx/edit.py
View File

@@ -125,14 +125,16 @@ class Edit:
@property @property
def black(self) -> bool: def black(self) -> bool:
""" """
Black video or silence should be used as the source for this event. The source field for thie edit was "BL". Black video or silence should
be used as the source for this event.
""" """
return self.source == "BL" return self.source == "BL"
@property @property
def aux_source(self) -> bool: def aux_source(self) -> bool:
""" """
An auxiliary source is the source of this event. The source field for this edit was "AX". An auxiliary source is the
source for this event.
""" """
return self.source == "AX" return self.source == "AX"
@@ -162,13 +164,13 @@ class Edit:
@property @property
def asc_sop(self) -> Optional[AscSopComponents[float]]: def asc_sop(self) -> Optional[AscSopComponents[float]]:
""" """
Get ASC CDL Slope-Offset-Power transfer function for the edit, Get ASC CDL Slope-Offset-Power color transfer function for the edit,
if present. The ASC SOP is a transfer function of the form: if present. The ASC SOP is a transfer function of the form:
:math:`y = (ax + b)^p` :math:`y = (ax + b)^p`
for each color component the source, where the `slope` is `a`, `offset` for each color component the source, where the `slope` is `a`, `offset`
is `b` and `power` is `c`. is `b` and `power` is `p`.
""" """
if self._asc_sop_statement is None: if self._asc_sop_statement is None:
return None return None