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clips

Classes:

Functions:

ProcessVariableClip 

ProcessVariableClip(
    clip: VideoNode,
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: SupportsInt | Literal[False] | None = None,
    cache_size: int = 10,
)

Bases: DynamicClipsCache[T]

A helper class for processing variable format/resolution clip.

Initializes the class.

Parameters:

  • clip

    (VideoNode) –

    Clip to process

  • out_dim

    (tuple[int, int] | Literal[False] | None, default: None ) –

    Output dimension.

  • out_fmt

    (SupportsInt | Literal[False] | None, default: None ) –

    Output format.

  • cache_size

    (int, default: 10 ) –

    The maximum number of items allowed in the cache. Defaults to 10.

Methods:

  • eval_clip –
  • from_clip –

    Process a variable format/resolution clip.

  • from_func –

    Process a variable format/resolution clip with a given function

  • get_clip –
  • get_key –

    Generate a unique key based on the node or frame.

  • normalize –

    Normalize the given node to the format/resolution specified by the unique key cast_to.

  • process –

    Process the given clip.

Attributes:

Source code in vstools/functions/clips.py 
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def __init__(
    self,
    clip: vs.VideoNode,
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: SupportsInt | Literal[False] | None = None,
    cache_size: int = 10,
) -> None:
    """
    Initializes the class.

    Args:
        clip: Clip to process
        out_dim: Output dimension.
        out_fmt: Output format.
        cache_size: The maximum number of items allowed in the cache. Defaults to 10.
    """
    bk_args = {"length": clip.num_frames, "keep": True, "varformat": None}

    if out_dim is None:
        out_dim = (clip.width, clip.height)

    if out_fmt is None:
        out_fmt = clip.format or False

    if out_dim is not False and 0 in out_dim:
        out_dim = False

    if out_dim is False:
        bk_args.update(width=8, height=8, varsize=True)
    else:
        bk_args.update(width=out_dim[0], height=out_dim[1])

    if out_fmt is False:
        bk_args.update(format=vs.GRAY8, varformat=True)
    else:
        bk_args.update(format=int(out_fmt))

    super().__init__(cache_size)

    self.clip = clip
    self.out = vs.core.std.BlankClip(clip, **bk_args)

cache_size instance-attribute 

cache_size = cache_size

clip instance-attribute 

clip = clip

out instance-attribute 

out = BlankClip(clip, **bk_args)

eval_clip 

eval_clip() -> VideoNode
Source code in vstools/functions/clips.py 
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def eval_clip(self) -> vs.VideoNode:
    if self.out.format and (0 not in (self.out.width, self.out.height)):
        try:
            return self.get_clip(self.get_key(self.clip))
        except Exception:
            ...

    return vs.core.std.FrameEval(self.out, lambda n, f: self[self.get_key(f)], self.clip)

from_clip classmethod 

from_clip(clip: VideoNode) -> VideoNode

Process a variable format/resolution clip.

Parameters:

  • clip

    (VideoNode) –

    Clip to process.

Returns:

  • VideoNode –

    Processed clip.

Source code in vstools/functions/clips.py 
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@classmethod
def from_clip(cls, clip: vs.VideoNode) -> vs.VideoNode:
    """
    Process a variable format/resolution clip.

    Args:
        clip: Clip to process.

    Returns:
        Processed clip.
    """
    return cls(clip).eval_clip()

from_func classmethod 

from_func(
    clip: VideoNode,
    func: Callable[[VideoNode], VideoNode],
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: int | VideoFormat | Literal[False] | None = None,
    cache_size: int = 10,
) -> VideoNode

Process a variable format/resolution clip with a given function

Parameters:

  • clip

    (VideoNode) –

    Clip to process.

  • func

    (Callable[[VideoNode], VideoNode]) –

    Function that takes and returns a single VideoNode.

  • out_dim

    (tuple[int, int] | Literal[False] | None, default: None ) –

    Output dimension.

  • out_fmt

    (int | VideoFormat | Literal[False] | None, default: None ) –

    Output format.

  • cache_size

    (int, default: 10 ) –

    The maximum number of VideoNode allowed in the cache. Defaults to 10.

Returns:

  • VideoNode –

    Processed variable clip.

Source code in vstools/functions/clips.py 
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@classmethod
def from_func(
    cls,
    clip: vs.VideoNode,
    func: Callable[[vs.VideoNode], vs.VideoNode],
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: int | vs.VideoFormat | Literal[False] | None = None,
    cache_size: int = 10,
) -> vs.VideoNode:
    """
    Process a variable format/resolution clip with a given function

    Args:
        clip: Clip to process.
        func: Function that takes and returns a single VideoNode.
        out_dim: Output dimension.
        out_fmt: Output format.
        cache_size: The maximum number of VideoNode allowed in the cache. Defaults to 10.

    Returns:
        Processed variable clip.
    """

    def process(self: ProcessVariableClip[T], clip: vs.VideoNode) -> vs.VideoNode:
        return func(clip)

    ns = cls.__dict__.copy()
    ns[process.__name__] = process

    return type(cls.__name__, cls.__bases__, ns)(clip, out_dim, out_fmt, cache_size).eval_clip()

get_clip 

get_clip(key: T) -> VideoNode
Source code in vstools/functions/clips.py 
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def get_clip(self, key: T) -> vs.VideoNode:
    return self.process(self.normalize(self.clip, key))

get_key abstractmethod 

get_key(frame: VideoNode | VideoFrame) -> T

Generate a unique key based on the node or frame. This key will be used to temporarily assert a resolution and format for the clip to process.

Parameters:

  • frame

    (VideoNode | VideoFrame) –

    Node or frame from which the unique key is generated.

Returns:

  • T –

    Unique identifier.

Source code in vstools/functions/clips.py 
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@abstractmethod
def get_key(self, frame: vs.VideoNode | vs.VideoFrame) -> T:
    """
    Generate a unique key based on the node or frame.
    This key will be used to temporarily assert a resolution and format for the clip to process.

    Args:
        frame: Node or frame from which the unique key is generated.

    Returns:
        Unique identifier.
    """

normalize abstractmethod 

normalize(clip: VideoNode, cast_to: T) -> VideoNode

Normalize the given node to the format/resolution specified by the unique key cast_to.

Parameters:

  • clip

    (VideoNode) –

    Clip to normalize.

  • cast_to

    (T) –

    The target resolution or format to which the clip should be cast or normalized.

Returns:

  • VideoNode –

    Normalized clip.

Source code in vstools/functions/clips.py 
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@abstractmethod
def normalize(self, clip: vs.VideoNode, cast_to: T) -> vs.VideoNode:
    """
    Normalize the given node to the format/resolution specified by the unique key `cast_to`.

    Args:
        clip: Clip to normalize.
        cast_to: The target resolution or format to which the clip should be cast or normalized.

    Returns:
        Normalized clip.
    """

process 

process(clip: VideoNode) -> VideoNode

Process the given clip.

Parameters:

  • clip

    (VideoNode) –

    Clip to process.

Returns:

  • VideoNode –

    Processed clip.

Source code in vstools/functions/clips.py 
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def process(self, clip: vs.VideoNode) -> vs.VideoNode:
    """
    Process the given clip.

    Args:
        clip: Clip to process.

    Returns:
        Processed clip.
    """
    return clip

ProcessVariableFormatClip 

ProcessVariableFormatClip(
    clip: VideoNode,
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: SupportsInt | Literal[False] | None = None,
    cache_size: int = 10,
)

Bases: ProcessVariableClip[VideoFormat]

A helper class for processing variable format clip.

Initializes the class.

Parameters:

  • clip

    (VideoNode) –

    Clip to process

  • out_dim

    (tuple[int, int] | Literal[False] | None, default: None ) –

    Output dimension.

  • out_fmt

    (SupportsInt | Literal[False] | None, default: None ) –

    Output format.

  • cache_size

    (int, default: 10 ) –

    The maximum number of items allowed in the cache. Defaults to 10.

Methods:

  • eval_clip –
  • from_clip –

    Process a variable format/resolution clip.

  • from_func –

    Process a variable format/resolution clip with a given function

  • get_clip –
  • get_key –

    Generate a unique key based on the node or frame.

  • normalize –

    Normalize the given node to the format/resolution specified by the unique key cast_to.

  • process –

    Process the given clip.

Attributes:

Source code in vstools/functions/clips.py 
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def __init__(
    self,
    clip: vs.VideoNode,
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: SupportsInt | Literal[False] | None = None,
    cache_size: int = 10,
) -> None:
    """
    Initializes the class.

    Args:
        clip: Clip to process
        out_dim: Output dimension.
        out_fmt: Output format.
        cache_size: The maximum number of items allowed in the cache. Defaults to 10.
    """
    bk_args = {"length": clip.num_frames, "keep": True, "varformat": None}

    if out_dim is None:
        out_dim = (clip.width, clip.height)

    if out_fmt is None:
        out_fmt = clip.format or False

    if out_dim is not False and 0 in out_dim:
        out_dim = False

    if out_dim is False:
        bk_args.update(width=8, height=8, varsize=True)
    else:
        bk_args.update(width=out_dim[0], height=out_dim[1])

    if out_fmt is False:
        bk_args.update(format=vs.GRAY8, varformat=True)
    else:
        bk_args.update(format=int(out_fmt))

    super().__init__(cache_size)

    self.clip = clip
    self.out = vs.core.std.BlankClip(clip, **bk_args)

cache_size instance-attribute 

cache_size = cache_size

clip instance-attribute 

clip = clip

out instance-attribute 

out = BlankClip(clip, **bk_args)

eval_clip 

eval_clip() -> VideoNode
Source code in vstools/functions/clips.py 
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def eval_clip(self) -> vs.VideoNode:
    if self.out.format and (0 not in (self.out.width, self.out.height)):
        try:
            return self.get_clip(self.get_key(self.clip))
        except Exception:
            ...

    return vs.core.std.FrameEval(self.out, lambda n, f: self[self.get_key(f)], self.clip)

from_clip classmethod 

from_clip(clip: VideoNode) -> VideoNode

Process a variable format/resolution clip.

Parameters:

  • clip

    (VideoNode) –

    Clip to process.

Returns:

  • VideoNode –

    Processed clip.

Source code in vstools/functions/clips.py 
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@classmethod
def from_clip(cls, clip: vs.VideoNode) -> vs.VideoNode:
    """
    Process a variable format/resolution clip.

    Args:
        clip: Clip to process.

    Returns:
        Processed clip.
    """
    return cls(clip).eval_clip()

from_func classmethod 

from_func(
    clip: VideoNode,
    func: Callable[[VideoNode], VideoNode],
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: int | VideoFormat | Literal[False] | None = None,
    cache_size: int = 10,
) -> VideoNode

Process a variable format/resolution clip with a given function

Parameters:

  • clip

    (VideoNode) –

    Clip to process.

  • func

    (Callable[[VideoNode], VideoNode]) –

    Function that takes and returns a single VideoNode.

  • out_dim

    (tuple[int, int] | Literal[False] | None, default: None ) –

    Output dimension.

  • out_fmt

    (int | VideoFormat | Literal[False] | None, default: None ) –

    Output format.

  • cache_size

    (int, default: 10 ) –

    The maximum number of VideoNode allowed in the cache. Defaults to 10.

Returns:

  • VideoNode –

    Processed variable clip.

Source code in vstools/functions/clips.py 
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@classmethod
def from_func(
    cls,
    clip: vs.VideoNode,
    func: Callable[[vs.VideoNode], vs.VideoNode],
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: int | vs.VideoFormat | Literal[False] | None = None,
    cache_size: int = 10,
) -> vs.VideoNode:
    """
    Process a variable format/resolution clip with a given function

    Args:
        clip: Clip to process.
        func: Function that takes and returns a single VideoNode.
        out_dim: Output dimension.
        out_fmt: Output format.
        cache_size: The maximum number of VideoNode allowed in the cache. Defaults to 10.

    Returns:
        Processed variable clip.
    """

    def process(self: ProcessVariableClip[T], clip: vs.VideoNode) -> vs.VideoNode:
        return func(clip)

    ns = cls.__dict__.copy()
    ns[process.__name__] = process

    return type(cls.__name__, cls.__bases__, ns)(clip, out_dim, out_fmt, cache_size).eval_clip()

get_clip 

get_clip(key: T) -> VideoNode
Source code in vstools/functions/clips.py 
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def get_clip(self, key: T) -> vs.VideoNode:
    return self.process(self.normalize(self.clip, key))

get_key 

get_key(frame: VideoNode | VideoFrame) -> VideoFormat

Generate a unique key based on the node or frame. This key will be used to temporarily assert a resolution and format for the clip to process.

Parameters:

  • frame

    (VideoNode | VideoFrame) –

    Node or frame from which the unique key is generated.

Returns:

  • T –

    Unique identifier.

Source code in vstools/functions/clips.py 
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def get_key(self, frame: vs.VideoNode | vs.VideoFrame) -> vs.VideoFormat:
    assert frame.format
    return frame.format

normalize 

normalize(clip: VideoNode, cast_to: VideoFormat) -> VideoNode

Normalize the given node to the format/resolution specified by the unique key cast_to.

Parameters:

  • clip

    (VideoNode) –

    Clip to normalize.

  • cast_to

    (T) –

    The target resolution or format to which the clip should be cast or normalized.

Returns:

  • VideoNode –

    Normalized clip.

Source code in vstools/functions/clips.py 
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def normalize(self, clip: vs.VideoNode, cast_to: vs.VideoFormat) -> vs.VideoNode:
    normalized = vs.core.resize.Point(vs.core.std.RemoveFrameProps(clip), format=cast_to)
    return vs.core.std.CopyFrameProps(normalized, clip)

process 

process(clip: VideoNode) -> VideoNode

Process the given clip.

Parameters:

  • clip

    (VideoNode) –

    Clip to process.

Returns:

  • VideoNode –

    Processed clip.

Source code in vstools/functions/clips.py 
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def process(self, clip: vs.VideoNode) -> vs.VideoNode:
    """
    Process the given clip.

    Args:
        clip: Clip to process.

    Returns:
        Processed clip.
    """
    return clip

ProcessVariableResClip 

ProcessVariableResClip(
    clip: VideoNode,
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: SupportsInt | Literal[False] | None = None,
    cache_size: int = 10,
)

Bases: ProcessVariableClip[tuple[int, int]]

A helper class for processing variable resolution clip.

Initializes the class.

Parameters:

  • clip

    (VideoNode) –

    Clip to process

  • out_dim

    (tuple[int, int] | Literal[False] | None, default: None ) –

    Output dimension.

  • out_fmt

    (SupportsInt | Literal[False] | None, default: None ) –

    Output format.

  • cache_size

    (int, default: 10 ) –

    The maximum number of items allowed in the cache. Defaults to 10.

Methods:

  • eval_clip –
  • from_clip –

    Process a variable format/resolution clip.

  • from_func –

    Process a variable format/resolution clip with a given function

  • get_clip –
  • get_key –

    Generate a unique key based on the node or frame.

  • normalize –

    Normalize the given node to the format/resolution specified by the unique key cast_to.

  • process –

    Process the given clip.

Attributes:

Source code in vstools/functions/clips.py 
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def __init__(
    self,
    clip: vs.VideoNode,
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: SupportsInt | Literal[False] | None = None,
    cache_size: int = 10,
) -> None:
    """
    Initializes the class.

    Args:
        clip: Clip to process
        out_dim: Output dimension.
        out_fmt: Output format.
        cache_size: The maximum number of items allowed in the cache. Defaults to 10.
    """
    bk_args = {"length": clip.num_frames, "keep": True, "varformat": None}

    if out_dim is None:
        out_dim = (clip.width, clip.height)

    if out_fmt is None:
        out_fmt = clip.format or False

    if out_dim is not False and 0 in out_dim:
        out_dim = False

    if out_dim is False:
        bk_args.update(width=8, height=8, varsize=True)
    else:
        bk_args.update(width=out_dim[0], height=out_dim[1])

    if out_fmt is False:
        bk_args.update(format=vs.GRAY8, varformat=True)
    else:
        bk_args.update(format=int(out_fmt))

    super().__init__(cache_size)

    self.clip = clip
    self.out = vs.core.std.BlankClip(clip, **bk_args)

cache_size instance-attribute 

cache_size = cache_size

clip instance-attribute 

clip = clip

out instance-attribute 

out = BlankClip(clip, **bk_args)

eval_clip 

eval_clip() -> VideoNode
Source code in vstools/functions/clips.py 
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def eval_clip(self) -> vs.VideoNode:
    if self.out.format and (0 not in (self.out.width, self.out.height)):
        try:
            return self.get_clip(self.get_key(self.clip))
        except Exception:
            ...

    return vs.core.std.FrameEval(self.out, lambda n, f: self[self.get_key(f)], self.clip)

from_clip classmethod 

from_clip(clip: VideoNode) -> VideoNode

Process a variable format/resolution clip.

Parameters:

  • clip

    (VideoNode) –

    Clip to process.

Returns:

  • VideoNode –

    Processed clip.

Source code in vstools/functions/clips.py 
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@classmethod
def from_clip(cls, clip: vs.VideoNode) -> vs.VideoNode:
    """
    Process a variable format/resolution clip.

    Args:
        clip: Clip to process.

    Returns:
        Processed clip.
    """
    return cls(clip).eval_clip()

from_func classmethod 

from_func(
    clip: VideoNode,
    func: Callable[[VideoNode], VideoNode],
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: int | VideoFormat | Literal[False] | None = None,
    cache_size: int = 10,
) -> VideoNode

Process a variable format/resolution clip with a given function

Parameters:

  • clip

    (VideoNode) –

    Clip to process.

  • func

    (Callable[[VideoNode], VideoNode]) –

    Function that takes and returns a single VideoNode.

  • out_dim

    (tuple[int, int] | Literal[False] | None, default: None ) –

    Output dimension.

  • out_fmt

    (int | VideoFormat | Literal[False] | None, default: None ) –

    Output format.

  • cache_size

    (int, default: 10 ) –

    The maximum number of VideoNode allowed in the cache. Defaults to 10.

Returns:

  • VideoNode –

    Processed variable clip.

Source code in vstools/functions/clips.py 
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@classmethod
def from_func(
    cls,
    clip: vs.VideoNode,
    func: Callable[[vs.VideoNode], vs.VideoNode],
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: int | vs.VideoFormat | Literal[False] | None = None,
    cache_size: int = 10,
) -> vs.VideoNode:
    """
    Process a variable format/resolution clip with a given function

    Args:
        clip: Clip to process.
        func: Function that takes and returns a single VideoNode.
        out_dim: Output dimension.
        out_fmt: Output format.
        cache_size: The maximum number of VideoNode allowed in the cache. Defaults to 10.

    Returns:
        Processed variable clip.
    """

    def process(self: ProcessVariableClip[T], clip: vs.VideoNode) -> vs.VideoNode:
        return func(clip)

    ns = cls.__dict__.copy()
    ns[process.__name__] = process

    return type(cls.__name__, cls.__bases__, ns)(clip, out_dim, out_fmt, cache_size).eval_clip()

get_clip 

get_clip(key: T) -> VideoNode
Source code in vstools/functions/clips.py 
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def get_clip(self, key: T) -> vs.VideoNode:
    return self.process(self.normalize(self.clip, key))

get_key 

get_key(frame: VideoNode | VideoFrame) -> tuple[int, int]

Generate a unique key based on the node or frame. This key will be used to temporarily assert a resolution and format for the clip to process.

Parameters:

  • frame

    (VideoNode | VideoFrame) –

    Node or frame from which the unique key is generated.

Returns:

  • T –

    Unique identifier.

Source code in vstools/functions/clips.py 
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def get_key(self, frame: vs.VideoNode | vs.VideoFrame) -> tuple[int, int]:
    return (frame.width, frame.height)

normalize 

normalize(clip: VideoNode, cast_to: tuple[int, int]) -> VideoNode

Normalize the given node to the format/resolution specified by the unique key cast_to.

Parameters:

  • clip

    (VideoNode) –

    Clip to normalize.

  • cast_to

    (T) –

    The target resolution or format to which the clip should be cast or normalized.

Returns:

  • VideoNode –

    Normalized clip.

Source code in vstools/functions/clips.py 
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def normalize(self, clip: vs.VideoNode, cast_to: tuple[int, int]) -> vs.VideoNode:
    normalized = vs.core.resize.Point(vs.core.std.RemoveFrameProps(clip), *cast_to)
    return vs.core.std.CopyFrameProps(normalized, clip)

process 

process(clip: VideoNode) -> VideoNode

Process the given clip.

Parameters:

  • clip

    (VideoNode) –

    Clip to process.

Returns:

  • VideoNode –

    Processed clip.

Source code in vstools/functions/clips.py 
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def process(self, clip: vs.VideoNode) -> vs.VideoNode:
    """
    Process the given clip.

    Args:
        clip: Clip to process.

    Returns:
        Processed clip.
    """
    return clip

ProcessVariableResFormatClip 

ProcessVariableResFormatClip(
    clip: VideoNode,
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: SupportsInt | Literal[False] | None = None,
    cache_size: int = 10,
)

Bases: ProcessVariableClip[tuple[int, int, VideoFormat]]

A helper class for processing variable format and resolution clip.

Initializes the class.

Parameters:

  • clip

    (VideoNode) –

    Clip to process

  • out_dim

    (tuple[int, int] | Literal[False] | None, default: None ) –

    Output dimension.

  • out_fmt

    (SupportsInt | Literal[False] | None, default: None ) –

    Output format.

  • cache_size

    (int, default: 10 ) –

    The maximum number of items allowed in the cache. Defaults to 10.

Methods:

  • eval_clip –
  • from_clip –

    Process a variable format/resolution clip.

  • from_func –

    Process a variable format/resolution clip with a given function

  • get_clip –
  • get_key –

    Generate a unique key based on the node or frame.

  • normalize –

    Normalize the given node to the format/resolution specified by the unique key cast_to.

  • process –

    Process the given clip.

Attributes:

Source code in vstools/functions/clips.py 
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def __init__(
    self,
    clip: vs.VideoNode,
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: SupportsInt | Literal[False] | None = None,
    cache_size: int = 10,
) -> None:
    """
    Initializes the class.

    Args:
        clip: Clip to process
        out_dim: Output dimension.
        out_fmt: Output format.
        cache_size: The maximum number of items allowed in the cache. Defaults to 10.
    """
    bk_args = {"length": clip.num_frames, "keep": True, "varformat": None}

    if out_dim is None:
        out_dim = (clip.width, clip.height)

    if out_fmt is None:
        out_fmt = clip.format or False

    if out_dim is not False and 0 in out_dim:
        out_dim = False

    if out_dim is False:
        bk_args.update(width=8, height=8, varsize=True)
    else:
        bk_args.update(width=out_dim[0], height=out_dim[1])

    if out_fmt is False:
        bk_args.update(format=vs.GRAY8, varformat=True)
    else:
        bk_args.update(format=int(out_fmt))

    super().__init__(cache_size)

    self.clip = clip
    self.out = vs.core.std.BlankClip(clip, **bk_args)

cache_size instance-attribute 

cache_size = cache_size

clip instance-attribute 

clip = clip

out instance-attribute 

out = BlankClip(clip, **bk_args)

eval_clip 

eval_clip() -> VideoNode
Source code in vstools/functions/clips.py 
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def eval_clip(self) -> vs.VideoNode:
    if self.out.format and (0 not in (self.out.width, self.out.height)):
        try:
            return self.get_clip(self.get_key(self.clip))
        except Exception:
            ...

    return vs.core.std.FrameEval(self.out, lambda n, f: self[self.get_key(f)], self.clip)

from_clip classmethod 

from_clip(clip: VideoNode) -> VideoNode

Process a variable format/resolution clip.

Parameters:

  • clip

    (VideoNode) –

    Clip to process.

Returns:

  • VideoNode –

    Processed clip.

Source code in vstools/functions/clips.py 
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@classmethod
def from_clip(cls, clip: vs.VideoNode) -> vs.VideoNode:
    """
    Process a variable format/resolution clip.

    Args:
        clip: Clip to process.

    Returns:
        Processed clip.
    """
    return cls(clip).eval_clip()

from_func classmethod 

from_func(
    clip: VideoNode,
    func: Callable[[VideoNode], VideoNode],
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: int | VideoFormat | Literal[False] | None = None,
    cache_size: int = 10,
) -> VideoNode

Process a variable format/resolution clip with a given function

Parameters:

  • clip

    (VideoNode) –

    Clip to process.

  • func

    (Callable[[VideoNode], VideoNode]) –

    Function that takes and returns a single VideoNode.

  • out_dim

    (tuple[int, int] | Literal[False] | None, default: None ) –

    Output dimension.

  • out_fmt

    (int | VideoFormat | Literal[False] | None, default: None ) –

    Output format.

  • cache_size

    (int, default: 10 ) –

    The maximum number of VideoNode allowed in the cache. Defaults to 10.

Returns:

  • VideoNode –

    Processed variable clip.

Source code in vstools/functions/clips.py 
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@classmethod
def from_func(
    cls,
    clip: vs.VideoNode,
    func: Callable[[vs.VideoNode], vs.VideoNode],
    out_dim: tuple[int, int] | Literal[False] | None = None,
    out_fmt: int | vs.VideoFormat | Literal[False] | None = None,
    cache_size: int = 10,
) -> vs.VideoNode:
    """
    Process a variable format/resolution clip with a given function

    Args:
        clip: Clip to process.
        func: Function that takes and returns a single VideoNode.
        out_dim: Output dimension.
        out_fmt: Output format.
        cache_size: The maximum number of VideoNode allowed in the cache. Defaults to 10.

    Returns:
        Processed variable clip.
    """

    def process(self: ProcessVariableClip[T], clip: vs.VideoNode) -> vs.VideoNode:
        return func(clip)

    ns = cls.__dict__.copy()
    ns[process.__name__] = process

    return type(cls.__name__, cls.__bases__, ns)(clip, out_dim, out_fmt, cache_size).eval_clip()

get_clip 

get_clip(key: T) -> VideoNode
Source code in vstools/functions/clips.py 
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def get_clip(self, key: T) -> vs.VideoNode:
    return self.process(self.normalize(self.clip, key))

get_key 

get_key(frame: VideoNode | VideoFrame) -> tuple[int, int, VideoFormat]

Generate a unique key based on the node or frame. This key will be used to temporarily assert a resolution and format for the clip to process.

Parameters:

  • frame

    (VideoNode | VideoFrame) –

    Node or frame from which the unique key is generated.

Returns:

  • T –

    Unique identifier.

Source code in vstools/functions/clips.py 
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def get_key(self, frame: vs.VideoNode | vs.VideoFrame) -> tuple[int, int, vs.VideoFormat]:
    assert frame.format
    return (frame.width, frame.height, frame.format)

normalize 

normalize(clip: VideoNode, cast_to: tuple[int, int, VideoFormat]) -> VideoNode

Normalize the given node to the format/resolution specified by the unique key cast_to.

Parameters:

  • clip

    (VideoNode) –

    Clip to normalize.

  • cast_to

    (T) –

    The target resolution or format to which the clip should be cast or normalized.

Returns:

  • VideoNode –

    Normalized clip.

Source code in vstools/functions/clips.py 
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def normalize(self, clip: vs.VideoNode, cast_to: tuple[int, int, vs.VideoFormat]) -> vs.VideoNode:
    w, h, fmt = cast_to

    normalized = vs.core.resize.Point(vs.core.std.RemoveFrameProps(clip), w, h, fmt)

    return vs.core.std.CopyFrameProps(normalized, clip)

process 

process(clip: VideoNode) -> VideoNode

Process the given clip.

Parameters:

  • clip

    (VideoNode) –

    Clip to process.

Returns:

  • VideoNode –

    Processed clip.

Source code in vstools/functions/clips.py 
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def process(self, clip: vs.VideoNode) -> vs.VideoNode:
    """
    Process the given clip.

    Args:
        clip: Clip to process.

    Returns:
        Processed clip.
    """
    return clip

finalize_clip 

finalize_clip(
    clip: VideoNode,
    bits: VideoFormatLike | HoldsVideoFormat | int | None = 10,
    clamp_tv_range: bool = False,
    dither_type: DitherType = RANDOM,
    *,
    func: FuncExcept | None = None
) -> VideoNode

Finalize a clip for output to the encoder.

Parameters:

  • clip

    (VideoNode) –

    Clip to output.

  • bits

    (VideoFormatLike | HoldsVideoFormat | int | None, default: 10 ) –

    Bitdepth to output to.

  • clamp_tv_range

    (bool, default: False ) –

    Whether to clamp to tv range.

  • dither_type

    (DitherType, default: RANDOM ) –

    Dithering used for the bitdepth conversion.

  • func

    (FuncExcept | None, default: None ) –

    Function returned for custom error handling. This should only be set by VS package developers.

Returns:

  • VideoNode –

    Dithered down and optionally clamped clip.

Source code in vstools/functions/clips.py 
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def finalize_clip(
    clip: vs.VideoNode,
    bits: VideoFormatLike | HoldsVideoFormat | int | None = 10,
    clamp_tv_range: bool = False,
    dither_type: DitherType = DitherType.RANDOM,
    *,
    func: FuncExcept | None = None,
) -> vs.VideoNode:
    """
    Finalize a clip for output to the encoder.

    Args:
        clip: Clip to output.
        bits: Bitdepth to output to.
        clamp_tv_range: Whether to clamp to tv range.
        dither_type: Dithering used for the bitdepth conversion.
        func: Function returned for custom error handling. This should only be set by VS package developers.

    Returns:
        Dithered down and optionally clamped clip.
    """
    if bits:
        clip = depth(clip, bits, dither_type=dither_type)

    if clamp_tv_range:
        clip = limiter(clip, tv_range=clamp_tv_range)

    return clip

finalize_output 

finalize_output(
    function: Callable[P, VideoNode],
    /,
    *,
    bits: int | None = 10,
    clamp_tv_range: bool = False,
    dither_type: DitherType = RANDOM,
    func: FuncExcept | None = None,
) -> Callable[P, VideoNode]

finalize_output(
    *,
    bits: int | None = 10,
    clamp_tv_range: bool = False,
    dither_type: DitherType = RANDOM,
    func: FuncExcept | None = None
) -> Callable[[Callable[P, VideoNode]], Callable[P, VideoNode]]

finalize_output(
    function: Callable[P, VideoNode] | None = None,
    /,
    *,
    bits: int | None = 10,
    clamp_tv_range: bool = False,
    dither_type: DitherType = RANDOM,
    func: FuncExcept | None = None,
) -> (
    Callable[P, VideoNode]
    | Callable[[Callable[P, VideoNode]], Callable[P, VideoNode]]
)

Decorator implementation of finalize_clip.

Source code in vstools/functions/clips.py 
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def finalize_output[**P](
    function: Callable[P, vs.VideoNode] | None = None,
    /,
    *,
    bits: int | None = 10,
    clamp_tv_range: bool = False,
    dither_type: DitherType = DitherType.RANDOM,
    func: FuncExcept | None = None,
) -> Callable[P, vs.VideoNode] | Callable[[Callable[P, vs.VideoNode]], Callable[P, vs.VideoNode]]:
    """
    Decorator implementation of [finalize_clip][vstools.finalize_clip].
    """

    if function is None:
        return partial(finalize_output, bits=bits, clamp_tv_range=clamp_tv_range, dither_type=dither_type, func=func)

    @wraps(function)
    def _wrapper(*args: P.args, **kwargs: P.kwargs) -> vs.VideoNode:
        return finalize_clip(function(*args, **kwargs), bits, clamp_tv_range, dither_type, func=func)

    return _wrapper

initialize_clip 

initialize_clip(
    clip: VideoNode,
    bits: int | None = None,
    matrix: MatrixLike | None = None,
    transfer: TransferLike | None = None,
    primaries: PrimariesLike | None = None,
    chroma_location: ChromaLocationLike | None = None,
    color_range: ColorRangeLike | None = None,
    field_based: FieldBasedLike | None = None,
    strict: Literal[False] = False,
    dither_type: DitherType = RANDOM,
    *,
    func: FuncExcept | None = None
) -> VideoNode

initialize_clip(
    clip: VideoNode,
    bits: int | None = None,
    *,
    strict: Literal[True],
    dither_type: DitherType = RANDOM,
    func: FuncExcept | None = None
) -> VideoNode

initialize_clip(
    clip: VideoNode,
    bits: int | None = None,
    matrix: MatrixLike | None = None,
    transfer: TransferLike | None = None,
    primaries: PrimariesLike | None = None,
    chroma_location: ChromaLocationLike | None = None,
    color_range: ColorRangeLike | None = None,
    field_based: FieldBasedLike | None = None,
    strict: bool = False,
    dither_type: DitherType = RANDOM,
    *,
    func: FuncExcept | None = None
) -> VideoNode

Initialize a clip with default properties or ensure their existence.

It is HIGHLY recommended to always use this function at the beginning of your scripts!

This function operates in two modes defined by the strict parameter:

  • strict=False: Sets missing properties. It attempts to read existing props.

    • If missing, it uses the manually provided arguments.
    • If those are None, it guesses based on resolution or video format.

  • strict=True: Validates that the input clip has all relevant frame properties (Matrix, Transfer, Primaries, ChromaLocation, ColorRange, FieldBased) already set. If any are missing, it raises an exception. Manual property arguments are not accepted.

Parameters:

  • clip

    (VideoNode) –

    Clip to initialize.

  • bits

    (int | None, default: None ) –

    Bits to dither to.

    • If 0, no dithering is applied.
    • If None, 16 if bit depth is lower than it, else leave untouched.
    • If positive integer, dither to that bitdepth.

  • matrix

    (MatrixLike | None, default: None ) –

    Matrix property to set. Ignored if strict=True.

  • transfer

    (TransferLike | None, default: None ) –

    Transfer property to set. Ignored if strict=True.

  • primaries

    (PrimariesLike | None, default: None ) –

    Primaries property to set. Ignored if strict=True.

  • chroma_location

    (ChromaLocationLike | None, default: None ) –

    ChromaLocation prop to set. Ignored if strict=True.

  • color_range

    (ColorRangeLike | None, default: None ) –

    ColorRange prop to set. Ignored if strict=True.

  • field_based

    (FieldBasedLike | None, default: None ) –

    FieldBased prop to set. Ignored if strict=True.

  • strict

    (bool, default: False ) –

    Whether to strictly validate existing properties. If True, arguments for specific properties (e.g. matrix) are not accepted.

  • dither_type

    (DitherType, default: RANDOM ) –

    Dithering used for the bitdepth conversion.

  • func

    (FuncExcept | None, default: None ) –

    Function returned for custom error handling. This should only be set by VS package developers.

Returns:

  • VideoNode –

    Clip with relevant frame properties set/validated, and optionally dithered to 16-bit (or target bits).

Source code in vstools/functions/clips.py 
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def initialize_clip(
    clip: vs.VideoNode,
    bits: int | None = None,
    matrix: MatrixLike | None = None,
    transfer: TransferLike | None = None,
    primaries: PrimariesLike | None = None,
    chroma_location: ChromaLocationLike | None = None,
    color_range: ColorRangeLike | None = None,
    field_based: FieldBasedLike | None = None,
    strict: bool = False,
    dither_type: DitherType = DitherType.RANDOM,
    *,
    func: FuncExcept | None = None,
) -> vs.VideoNode:
    """
    Initialize a clip with default properties or ensure their existence.

    It is HIGHLY recommended to always use this function at the beginning of your scripts!

    This function operates in two modes defined by the `strict` parameter:

    - `strict=False`: Sets missing properties. It attempts to read existing props.

          * If missing, it uses the manually provided arguments.
          * If those are None, it guesses based on resolution or video format.

    - `strict=True`: Validates that the input clip has all relevant frame properties
     (Matrix, Transfer, Primaries, ChromaLocation, ColorRange, FieldBased) already set.
     If any are missing, it raises an exception. Manual property arguments are not accepted.

    Args:
        clip: Clip to initialize.
        bits: Bits to dither to.

               - If 0, no dithering is applied.
               - If None, 16 if bit depth is lower than it, else leave untouched.
               - If positive integer, dither to that bitdepth.

        matrix: Matrix property to set. Ignored if `strict=True`.
        transfer: Transfer property to set. Ignored if `strict=True`.
        primaries: Primaries property to set. Ignored if `strict=True`.
        chroma_location: ChromaLocation prop to set. Ignored if `strict=True`.
        color_range: ColorRange prop to set. Ignored if `strict=True`.
        field_based: FieldBased prop to set. Ignored if `strict=True`.
        strict: Whether to strictly validate existing properties.
            If True, arguments for specific properties (e.g. `matrix`) are not accepted.
        dither_type: Dithering used for the bitdepth conversion.
        func: Function returned for custom error handling. This should only be set by VS package developers.

    Returns:
        Clip with relevant frame properties set/validated, and optionally dithered to 16-bit (or target `bits`).
    """
    func = func or initialize_clip

    values: list[tuple[type[PropEnum], Any]] = [
        (Matrix, matrix),
        (Transfer, transfer),
        (Primaries, primaries),
        (ChromaLocation, chroma_location),
        (ColorRange, color_range),
        (FieldBased, field_based),
    ]

    to_ensure_presence = list[type[PropEnum] | PropEnum]()

    for prop_t, prop_v in values:
        if strict:
            to_ensure_presence.append(prop_t)
        else:
            to_ensure_presence.append(prop_t.from_param_or_video(prop_v, clip, False, func))

    clip = PropEnum.ensure_presences(clip, to_ensure_presence, func)

    if bits is None:
        bits = max(get_depth(clip), 16)
    elif bits <= 0:
        return clip

    return depth(clip, bits, dither_type=dither_type)

initialize_input 

initialize_input(
    function: Callable[P, VideoNode],
    /,
    *,
    bits: int | None = 16,
    matrix: MatrixLike | None = None,
    transfer: TransferLike | None = None,
    primaries: PrimariesLike | None = None,
    chroma_location: ChromaLocationLike | None = None,
    color_range: ColorRangeLike | None = None,
    field_based: FieldBasedLike | None = None,
    strict: bool = False,
    dither_type: DitherType = RANDOM,
    func: FuncExcept | None = None,
) -> Callable[P, VideoNode]

initialize_input(
    *,
    bits: int | None = 16,
    matrix: MatrixLike | None = None,
    transfer: TransferLike | None = None,
    primaries: PrimariesLike | None = None,
    chroma_location: ChromaLocationLike | None = None,
    color_range: ColorRangeLike | None = None,
    field_based: FieldBasedLike | None = None,
    dither_type: DitherType = RANDOM,
    func: FuncExcept | None = None
) -> Callable[[Callable[P, VideoNode]], Callable[P, VideoNode]]

initialize_input(
    function: Callable[P, VideoNode] | None = None,
    /,
    *,
    bits: int | None = 16,
    matrix: MatrixLike | None = None,
    transfer: TransferLike | None = None,
    primaries: PrimariesLike | None = None,
    chroma_location: ChromaLocationLike | None = None,
    color_range: ColorRangeLike | None = None,
    field_based: FieldBasedLike | None = None,
    strict: bool = False,
    dither_type: DitherType = RANDOM,
    func: FuncExcept | None = None,
) -> (
    Callable[P, VideoNode]
    | Callable[[Callable[P, VideoNode]], Callable[P, VideoNode]]
)

Decorator implementation of initialize_clip.

Initializes the first clip found in this order: positional arguments -> keyword arguments -> default arguments.

Source code in vstools/functions/clips.py 
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def initialize_input[**P](
    function: Callable[P, vs.VideoNode] | None = None,
    /,
    *,
    bits: int | None = 16,
    matrix: MatrixLike | None = None,
    transfer: TransferLike | None = None,
    primaries: PrimariesLike | None = None,
    chroma_location: ChromaLocationLike | None = None,
    color_range: ColorRangeLike | None = None,
    field_based: FieldBasedLike | None = None,
    strict: bool = False,
    dither_type: DitherType = DitherType.RANDOM,
    func: FuncExcept | None = None,
) -> Callable[P, vs.VideoNode] | Callable[[Callable[P, vs.VideoNode]], Callable[P, vs.VideoNode]]:
    """
    Decorator implementation of [initialize_clip][vstools.initialize_clip].

    Initializes the first clip found in this order: positional arguments -> keyword arguments ->  default arguments.
    """

    if function is None:
        return partial(
            initialize_input,
            bits=bits,
            matrix=matrix,
            transfer=transfer,
            primaries=primaries,
            chroma_location=chroma_location,
            color_range=color_range,
            field_based=field_based,
            strict=strict,
            dither_type=dither_type,
            func=func,
        )

    init_args = dict[str, Any](
        bits=bits,
        matrix=matrix,
        transfer=transfer,
        primaries=primaries,
        chroma_location=chroma_location,
        color_range=color_range,
        field_based=field_based,
        strict=strict,
        dither_type=dither_type,
        func=func,
    )

    @wraps(function)
    def _wrapper(*args: P.args, **kwargs: P.kwargs) -> vs.VideoNode:
        args_l = list(args)

        for i, obj in enumerate(args_l):
            if isinstance(obj, vs.VideoNode):
                args_l[i] = initialize_clip(obj, **init_args)
                return function(*args_l, **kwargs)  # type: ignore[arg-type]

        kwargs2 = kwargs.copy()

        for name, obj in kwargs2.items():
            if isinstance(obj, vs.VideoNode):
                kwargs2[name] = initialize_clip(obj, **init_args)
                return function(*args, **kwargs2)  # type: ignore[arg-type]

        for name, param in signature(function).parameters.items():
            if isinstance(param.default, vs.VideoNode):
                return function(*args, **{name: initialize_clip(param.default, **init_args)}, **kwargs)  # type: ignore[arg-type]

        raise CustomValueError(
            "No VideoNode found in positional, keyword, nor default arguments!", func or initialize_input
        )

    return _wrapper

sc_detect 

sc_detect(clip: VideoNode, threshold: float = 0.1) -> VideoNode

Detects scene changes in a video clip based on frame difference statistics.

Parameters:

  • clip

    (VideoNode) –

    The input clip.

  • threshold

    (float, default: 0.1 ) –

    Sensitivity for scene change detection. Higher values make detection less sensitive. Default is 0.1.

Returns:

  • VideoNode –

    vs.VideoNode: A clip with scene change props (_SceneChangePrev and _SceneChangeNext) set for each frame.

Source code in vstools/functions/clips.py 
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def sc_detect(clip: vs.VideoNode, threshold: float = 0.1) -> vs.VideoNode:
    """
    Detects scene changes in a video clip based on frame difference statistics.

    Args:
        clip: The input clip.
        threshold: Sensitivity for scene change detection. Higher values make detection less sensitive. Default is 0.1.

    Returns:
        vs.VideoNode: A clip with scene change props (`_SceneChangePrev` and `_SceneChangeNext`) set for each frame.
    """
    stats = vs.core.std.PlaneStats(shift_clip(clip, -1), clip)

    return vs.core.akarin.PropExpr(
        [clip, stats, stats[1:]],
        lambda: {
            "_SceneChangePrev": f"y.PlaneStatsDiff {threshold} > 1 0 ?",
            "_SceneChangeNext": f"z.PlaneStatsDiff {threshold} > 1 0 ?",
        },
    )

shift_clip 

shift_clip(clip: VideoNode, offset: int) -> VideoNode

Shift a clip forwards or backwards by N frames.

This is useful for cases where you must compare every frame of a clip with the frame that comes before or after the current frame, like for example when performing temporal operations.

Both positive and negative integers are allowed. Positive values will shift a clip forward, negative will shift a clip backward.

Parameters:

  • clip

    (VideoNode) –

    Input clip.

  • offset

    (int) –

    Number of frames to offset the clip with. Negative values are allowed. Positive values will shift a clip forward, negative will shift a clip backward.

Returns:

  • VideoNode –

    Clip that has been shifted forwards or backwards by N frames.

Source code in vstools/functions/clips.py 
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def shift_clip(clip: vs.VideoNode, offset: int) -> vs.VideoNode:
    """
    Shift a clip forwards or backwards by N frames.

    This is useful for cases where you must compare every frame of a clip
    with the frame that comes before or after the current frame,
    like for example when performing temporal operations.

    Both positive and negative integers are allowed.
    Positive values will shift a clip forward, negative will shift a clip backward.

    Args:
        clip: Input clip.
        offset: Number of frames to offset the clip with. Negative values are allowed. Positive values will shift a clip
            forward, negative will shift a clip backward.

    Returns:
        Clip that has been shifted forwards or backwards by *N* frames.
    """

    if offset > clip.num_frames - 1:
        raise FramesLengthError(shift_clip, "offset")

    if offset < 0:
        return clip[0] * abs(offset) + clip[:offset]

    if offset > 0:
        return clip[offset:] + clip[-1] * offset

    return clip

shift_clip_multi 

shift_clip_multi(
    clip: VideoNode, offsets: StrictRange = (-1, 1)
) -> list[VideoNode]

Shift a clip forwards or backwards multiple times by a varying amount of frames.

This will return a clip for every shifting operation performed. This is a convenience function that makes handling multiple shifts easier.

Example:

>>> shift_clip_multi(clip, (-3, 3))
    [VideoNode, VideoNode, VideoNode, VideoNode, VideoNode, VideoNode, VideoNode]
        -3         -2         -1          0         +1         +2         +3

Parameters:

  • clip

    (VideoNode) –

    Input clip.

  • offsets

    (StrictRange, default: (-1, 1) ) –

    Tuple of offsets representing an inclusive range. A clip will be returned for every offset. Default: (-1, 1).

Returns:

  • list[VideoNode] –

    A list of clips, the amount determined by the amount of offsets.

Source code in vstools/functions/clips.py 
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def shift_clip_multi(clip: vs.VideoNode, offsets: StrictRange = (-1, 1)) -> list[vs.VideoNode]:
    """
    Shift a clip forwards or backwards multiple times by a varying amount of frames.

    This will return a clip for every shifting operation performed.
    This is a convenience function that makes handling multiple shifts easier.

    Example:

        >>> shift_clip_multi(clip, (-3, 3))
            [VideoNode, VideoNode, VideoNode, VideoNode, VideoNode, VideoNode, VideoNode]
                -3         -2         -1          0         +1         +2         +3

    Args:
        clip: Input clip.
        offsets: Tuple of offsets representing an inclusive range.
            A clip will be returned for every offset. Default: (-1, 1).

    Returns:
        A list of clips, the amount determined by the amount of offsets.
    """
    return [shift_clip(clip, x) for x in range(offsets[0], offsets[1] + 1)]