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filters

acrossfade

acrossfade(
    _crossfade0: AudioStream,
    _crossfade1: AudioStream,
    *,
    nb_samples: Int = Default(44100),
    duration: Duration = Default(0.0),
    overlap: Boolean = Default(True),
    curve1: (
        Int
        | Literal[
            "nofade",
            "tri",
            "qsin",
            "esin",
            "hsin",
            "log",
            "ipar",
            "qua",
            "cub",
            "squ",
            "cbr",
            "par",
            "exp",
            "iqsin",
            "ihsin",
            "dese",
            "desi",
            "losi",
            "sinc",
            "isinc",
        ]
        | Default
    ) = Default("tri"),
    curve2: (
        Int
        | Literal[
            "nofade",
            "tri",
            "qsin",
            "esin",
            "hsin",
            "log",
            "ipar",
            "qua",
            "cub",
            "squ",
            "cbr",
            "par",
            "exp",
            "iqsin",
            "ihsin",
            "dese",
            "desi",
            "losi",
            "sinc",
            "isinc",
        ]
        | Default
    ) = Default("tri"),
    **kwargs: Any
) -> AudioStream

Cross fade two input audio streams.

Parameters:

Name Type Description Default
nb_samples Int

set number of samples for cross fade duration (from 1 to 2.14748e+08) (default 44100)

Default(44100)
duration Duration

set cross fade duration (default 0)

Default(0.0)
overlap Boolean

overlap 1st stream end with 2nd stream start (default true)

Default(True)
curve1 Int | Literal['nofade', 'tri', 'qsin', 'esin', 'hsin', 'log', 'ipar', 'qua', 'cub', 'squ', 'cbr', 'par', 'exp', 'iqsin', 'ihsin', 'dese', 'desi', 'losi', 'sinc', 'isinc'] | Default

set fade curve type for 1st stream (from -1 to 18) (default tri)

Default('tri')
curve2 Int | Literal['nofade', 'tri', 'qsin', 'esin', 'hsin', 'log', 'ipar', 'qua', 'cub', 'squ', 'cbr', 'par', 'exp', 'iqsin', 'ihsin', 'dese', 'desi', 'losi', 'sinc', 'isinc'] | Default

set fade curve type for 2nd stream (from -1 to 18) (default tri)

Default('tri')

Returns:

Name Type Description
default AudioStream

the audio stream

References

FFmpeg Documentation

ainterleave

ainterleave(
    *streams: AudioStream,
    nb_inputs: Int = Auto("len(streams)"),
    duration: (
        Int
        | Literal["longest", "shortest", "first"]
        | Default
    ) = Default("longest"),
    **kwargs: Any
) -> AudioStream

Temporally interleave audio inputs.

Parameters:

Name Type Description Default
nb_inputs Int

set number of inputs (from 1 to INT_MAX) (default 2)

Auto('len(streams)')
duration Int | Literal['longest', 'shortest', 'first'] | Default

how to determine the end-of-stream (from 0 to 2) (default longest)

Default('longest')

Returns:

Name Type Description
default AudioStream

the audio stream

References

FFmpeg Documentation

alphamerge

alphamerge(
    _main: VideoStream,
    _alpha: VideoStream,
    *,
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Copy the luma value of the second input into the alpha channel of the first input.

Parameters:

Name Type Description Default
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

amerge

amerge(
    *streams: AudioStream,
    inputs: Int = Auto("len(streams)"),
    **kwargs: Any
) -> AudioStream

Merge two or more audio streams into a single multi-channel stream.

Parameters:

Name Type Description Default
inputs Int

specify the number of inputs (from 1 to 64) (default 2)

Auto('len(streams)')

Returns:

Name Type Description
default AudioStream

the audio stream

References

FFmpeg Documentation

amix

amix(
    *streams: AudioStream,
    inputs: Int = Auto("len(streams)"),
    duration: (
        Int
        | Literal["longest", "shortest", "first"]
        | Default
    ) = Default("longest"),
    dropout_transition: Float = Default(2.0),
    weights: String = Default("1 1"),
    normalize: Boolean = Default(True),
    **kwargs: Any
) -> AudioStream

Audio mixing.

Parameters:

Name Type Description Default
inputs Int

Number of inputs. (from 1 to 32767) (default 2)

Auto('len(streams)')
duration Int | Literal['longest', 'shortest', 'first'] | Default

How to determine the end-of-stream. (from 0 to 2) (default longest)

Default('longest')
dropout_transition Float

Transition time, in seconds, for volume renormalization when an input stream ends. (from 0 to INT_MAX) (default 2)

Default(2.0)
weights String

Set weight for each input. (default "1 1")

Default('1 1')
normalize Boolean

Scale inputs (default true)

Default(True)

Returns:

Name Type Description
default AudioStream

the audio stream

References

FFmpeg Documentation

amultiply

amultiply(
    _multiply0: AudioStream,
    _multiply1: AudioStream,
    **kwargs: Any
) -> AudioStream

Multiply two audio streams.

Returns:

Name Type Description
default AudioStream

the audio stream

References

FFmpeg Documentation

anlmf

anlmf(
    _input: AudioStream,
    _desired: AudioStream,
    *,
    order: Int = Default(256),
    mu: Float = Default(0.75),
    eps: Float = Default(1.0),
    leakage: Float = Default(0.0),
    out_mode: (
        Int | Literal["i", "d", "o", "n"] | Default
    ) = Default("o"),
    enable: String = Default(None),
    **kwargs: Any
) -> AudioStream

Apply Normalized Least-Mean-Fourth algorithm to first audio stream.

Parameters:

Name Type Description Default
order Int

set the filter order (from 1 to 32767) (default 256)

Default(256)
mu Float

set the filter mu (from 0 to 2) (default 0.75)

Default(0.75)
eps Float

set the filter eps (from 0 to 1) (default 1)

Default(1.0)
leakage Float

set the filter leakage (from 0 to 1) (default 0)

Default(0.0)
out_mode Int | Literal['i', 'd', 'o', 'n'] | Default

set output mode (from 0 to 3) (default o)

Default('o')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default AudioStream

the audio stream

References

FFmpeg Documentation

anlms

anlms(
    _input: AudioStream,
    _desired: AudioStream,
    *,
    order: Int = Default(256),
    mu: Float = Default(0.75),
    eps: Float = Default(1.0),
    leakage: Float = Default(0.0),
    out_mode: (
        Int | Literal["i", "d", "o", "n"] | Default
    ) = Default("o"),
    enable: String = Default(None),
    **kwargs: Any
) -> AudioStream

Apply Normalized Least-Mean-Squares algorithm to first audio stream.

Parameters:

Name Type Description Default
order Int

set the filter order (from 1 to 32767) (default 256)

Default(256)
mu Float

set the filter mu (from 0 to 2) (default 0.75)

Default(0.75)
eps Float

set the filter eps (from 0 to 1) (default 1)

Default(1.0)
leakage Float

set the filter leakage (from 0 to 1) (default 0)

Default(0.0)
out_mode Int | Literal['i', 'd', 'o', 'n'] | Default

set output mode (from 0 to 3) (default o)

Default('o')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default AudioStream

the audio stream

References

FFmpeg Documentation

asdr

asdr(
    _input0: AudioStream,
    _input1: AudioStream,
    **kwargs: Any
) -> AudioStream

Measure Audio Signal-to-Distortion Ratio.

Returns:

Name Type Description
default AudioStream

the audio stream

References

FFmpeg Documentation

astreamselect

astreamselect(
    *streams: AudioStream,
    inputs: Int = Auto("len(streams)"),
    map: String = Default(None),
    **kwargs: Any
) -> FilterNode

Select audio streams

Parameters:

Name Type Description Default
inputs Int

number of input streams (from 2 to INT_MAX) (default 2)

Auto('len(streams)')
map String

input indexes to remap to outputs

Default(None)

Returns:

Name Type Description
filter_node FilterNode

the filter node

References

FFmpeg Documentation

axcorrelate

axcorrelate(
    _axcorrelate0: AudioStream,
    _axcorrelate1: AudioStream,
    *,
    size: Int = Default(256),
    algo: Int | Literal["slow", "fast"] | Default = Default(
        "slow"
    ),
    **kwargs: Any
) -> AudioStream

Cross-correlate two audio streams.

Parameters:

Name Type Description Default
size Int

set segment size (from 2 to 131072) (default 256)

Default(256)
algo Int | Literal['slow', 'fast'] | Default

set algorithm (from 0 to 1) (default slow)

Default('slow')

Returns:

Name Type Description
default AudioStream

the audio stream

References

FFmpeg Documentation

blend

blend(
    _top: VideoStream,
    _bottom: VideoStream,
    *,
    c0_mode: (
        Int
        | Literal[
            "addition",
            "addition128",
            "grainmerge",
            "and",
            "average",
            "burn",
            "darken",
            "difference",
            "difference128",
            "grainextract",
            "divide",
            "dodge",
            "exclusion",
            "extremity",
            "freeze",
            "glow",
            "hardlight",
            "hardmix",
            "heat",
            "lighten",
            "linearlight",
            "multiply",
            "multiply128",
            "negation",
            "normal",
            "or",
            "overlay",
            "phoenix",
            "pinlight",
            "reflect",
            "screen",
            "softlight",
            "subtract",
            "vividlight",
            "xor",
            "softdifference",
            "geometric",
            "harmonic",
            "bleach",
            "stain",
            "interpolate",
            "hardoverlay",
        ]
        | Default
    ) = Default("normal"),
    c1_mode: (
        Int
        | Literal[
            "addition",
            "addition128",
            "grainmerge",
            "and",
            "average",
            "burn",
            "darken",
            "difference",
            "difference128",
            "grainextract",
            "divide",
            "dodge",
            "exclusion",
            "extremity",
            "freeze",
            "glow",
            "hardlight",
            "hardmix",
            "heat",
            "lighten",
            "linearlight",
            "multiply",
            "multiply128",
            "negation",
            "normal",
            "or",
            "overlay",
            "phoenix",
            "pinlight",
            "reflect",
            "screen",
            "softlight",
            "subtract",
            "vividlight",
            "xor",
            "softdifference",
            "geometric",
            "harmonic",
            "bleach",
            "stain",
            "interpolate",
            "hardoverlay",
        ]
        | Default
    ) = Default("normal"),
    c2_mode: (
        Int
        | Literal[
            "addition",
            "addition128",
            "grainmerge",
            "and",
            "average",
            "burn",
            "darken",
            "difference",
            "difference128",
            "grainextract",
            "divide",
            "dodge",
            "exclusion",
            "extremity",
            "freeze",
            "glow",
            "hardlight",
            "hardmix",
            "heat",
            "lighten",
            "linearlight",
            "multiply",
            "multiply128",
            "negation",
            "normal",
            "or",
            "overlay",
            "phoenix",
            "pinlight",
            "reflect",
            "screen",
            "softlight",
            "subtract",
            "vividlight",
            "xor",
            "softdifference",
            "geometric",
            "harmonic",
            "bleach",
            "stain",
            "interpolate",
            "hardoverlay",
        ]
        | Default
    ) = Default("normal"),
    c3_mode: (
        Int
        | Literal[
            "addition",
            "addition128",
            "grainmerge",
            "and",
            "average",
            "burn",
            "darken",
            "difference",
            "difference128",
            "grainextract",
            "divide",
            "dodge",
            "exclusion",
            "extremity",
            "freeze",
            "glow",
            "hardlight",
            "hardmix",
            "heat",
            "lighten",
            "linearlight",
            "multiply",
            "multiply128",
            "negation",
            "normal",
            "or",
            "overlay",
            "phoenix",
            "pinlight",
            "reflect",
            "screen",
            "softlight",
            "subtract",
            "vividlight",
            "xor",
            "softdifference",
            "geometric",
            "harmonic",
            "bleach",
            "stain",
            "interpolate",
            "hardoverlay",
        ]
        | Default
    ) = Default("normal"),
    all_mode: (
        Int
        | Literal[
            "addition",
            "addition128",
            "grainmerge",
            "and",
            "average",
            "burn",
            "darken",
            "difference",
            "difference128",
            "grainextract",
            "divide",
            "dodge",
            "exclusion",
            "extremity",
            "freeze",
            "glow",
            "hardlight",
            "hardmix",
            "heat",
            "lighten",
            "linearlight",
            "multiply",
            "multiply128",
            "negation",
            "normal",
            "or",
            "overlay",
            "phoenix",
            "pinlight",
            "reflect",
            "screen",
            "softlight",
            "subtract",
            "vividlight",
            "xor",
            "softdifference",
            "geometric",
            "harmonic",
            "bleach",
            "stain",
            "interpolate",
            "hardoverlay",
        ]
        | Default
    ) = Default(-1),
    c0_expr: String = Default(None),
    c1_expr: String = Default(None),
    c2_expr: String = Default(None),
    c3_expr: String = Default(None),
    all_expr: String = Default(None),
    c0_opacity: Double = Default(1.0),
    c1_opacity: Double = Default(1.0),
    c2_opacity: Double = Default(1.0),
    c3_opacity: Double = Default(1.0),
    all_opacity: Double = Default(1.0),
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Blend two video frames into each other.

Parameters:

Name Type Description Default
c0_mode Int | Literal['addition', 'addition128', 'grainmerge', 'and', 'average', 'burn', 'darken', 'difference', 'difference128', 'grainextract', 'divide', 'dodge', 'exclusion', 'extremity', 'freeze', 'glow', 'hardlight', 'hardmix', 'heat', 'lighten', 'linearlight', 'multiply', 'multiply128', 'negation', 'normal', 'or', 'overlay', 'phoenix', 'pinlight', 'reflect', 'screen', 'softlight', 'subtract', 'vividlight', 'xor', 'softdifference', 'geometric', 'harmonic', 'bleach', 'stain', 'interpolate', 'hardoverlay'] | Default

set component #0 blend mode (from 0 to 39) (default normal)

Default('normal')
c1_mode Int | Literal['addition', 'addition128', 'grainmerge', 'and', 'average', 'burn', 'darken', 'difference', 'difference128', 'grainextract', 'divide', 'dodge', 'exclusion', 'extremity', 'freeze', 'glow', 'hardlight', 'hardmix', 'heat', 'lighten', 'linearlight', 'multiply', 'multiply128', 'negation', 'normal', 'or', 'overlay', 'phoenix', 'pinlight', 'reflect', 'screen', 'softlight', 'subtract', 'vividlight', 'xor', 'softdifference', 'geometric', 'harmonic', 'bleach', 'stain', 'interpolate', 'hardoverlay'] | Default

set component #1 blend mode (from 0 to 39) (default normal)

Default('normal')
c2_mode Int | Literal['addition', 'addition128', 'grainmerge', 'and', 'average', 'burn', 'darken', 'difference', 'difference128', 'grainextract', 'divide', 'dodge', 'exclusion', 'extremity', 'freeze', 'glow', 'hardlight', 'hardmix', 'heat', 'lighten', 'linearlight', 'multiply', 'multiply128', 'negation', 'normal', 'or', 'overlay', 'phoenix', 'pinlight', 'reflect', 'screen', 'softlight', 'subtract', 'vividlight', 'xor', 'softdifference', 'geometric', 'harmonic', 'bleach', 'stain', 'interpolate', 'hardoverlay'] | Default

set component #2 blend mode (from 0 to 39) (default normal)

Default('normal')
c3_mode Int | Literal['addition', 'addition128', 'grainmerge', 'and', 'average', 'burn', 'darken', 'difference', 'difference128', 'grainextract', 'divide', 'dodge', 'exclusion', 'extremity', 'freeze', 'glow', 'hardlight', 'hardmix', 'heat', 'lighten', 'linearlight', 'multiply', 'multiply128', 'negation', 'normal', 'or', 'overlay', 'phoenix', 'pinlight', 'reflect', 'screen', 'softlight', 'subtract', 'vividlight', 'xor', 'softdifference', 'geometric', 'harmonic', 'bleach', 'stain', 'interpolate', 'hardoverlay'] | Default

set component #3 blend mode (from 0 to 39) (default normal)

Default('normal')
all_mode Int | Literal['addition', 'addition128', 'grainmerge', 'and', 'average', 'burn', 'darken', 'difference', 'difference128', 'grainextract', 'divide', 'dodge', 'exclusion', 'extremity', 'freeze', 'glow', 'hardlight', 'hardmix', 'heat', 'lighten', 'linearlight', 'multiply', 'multiply128', 'negation', 'normal', 'or', 'overlay', 'phoenix', 'pinlight', 'reflect', 'screen', 'softlight', 'subtract', 'vividlight', 'xor', 'softdifference', 'geometric', 'harmonic', 'bleach', 'stain', 'interpolate', 'hardoverlay'] | Default

set blend mode for all components (from -1 to 39) (default -1)

Default(-1)
c0_expr String

set color component #0 expression

Default(None)
c1_expr String

set color component #1 expression

Default(None)
c2_expr String

set color component #2 expression

Default(None)
c3_expr String

set color component #3 expression

Default(None)
all_expr String

set expression for all color components

Default(None)
c0_opacity Double

set color component #0 opacity (from 0 to 1) (default 1)

Default(1.0)
c1_opacity Double

set color component #1 opacity (from 0 to 1) (default 1)

Default(1.0)
c2_opacity Double

set color component #2 opacity (from 0 to 1) (default 1)

Default(1.0)
c3_opacity Double

set color component #3 opacity (from 0 to 1) (default 1)

Default(1.0)
all_opacity Double

set opacity for all color components (from 0 to 1) (default 1)

Default(1.0)
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

bm3d

bm3d(
    *streams: VideoStream,
    sigma: Float = Default(1.0),
    block: Int = Default(16),
    bstep: Int = Default(4),
    group: Int = Default(1),
    range: Int = Default(9),
    mstep: Int = Default(1),
    thmse: Float = Default(0.0),
    hdthr: Float = Default(2.7),
    estim: (
        Int | Literal["basic", "final"] | Default
    ) = Default("basic"),
    ref: Boolean = Default(False),
    planes: Int = Default(7),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Block-Matching 3D denoiser.

Parameters:

Name Type Description Default
sigma Float

set denoising strength (from 0 to 99999.9) (default 1)

Default(1.0)
block Int

set size of local patch (from 8 to 64) (default 16)

Default(16)
bstep Int

set sliding step for processing blocks (from 1 to 64) (default 4)

Default(4)
group Int

set maximal number of similar blocks (from 1 to 256) (default 1)

Default(1)
range Int

set block matching range (from 1 to INT_MAX) (default 9)

Default(9)
mstep Int

set step for block matching (from 1 to 64) (default 1)

Default(1)
thmse Float

set threshold of mean square error for block matching (from 0 to INT_MAX) (default 0)

Default(0.0)
hdthr Float

set hard threshold for 3D transfer domain (from 0 to INT_MAX) (default 2.7)

Default(2.7)
estim Int | Literal['basic', 'final'] | Default

set filtering estimation mode (from 0 to 1) (default basic)

Default('basic')
ref Boolean

have reference stream (default false)

Default(False)
planes Int

set planes to filter (from 0 to 15) (default 7)

Default(7)
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

colormap

colormap(
    _default: VideoStream,
    _source: VideoStream,
    _target: VideoStream,
    *,
    patch_size: Image_size = Default("64x64"),
    nb_patches: Int = Default(0),
    type: (
        Int | Literal["relative", "absolute"] | Default
    ) = Default("absolute"),
    kernel: (
        Int | Literal["euclidean", "weuclidean"] | Default
    ) = Default("euclidean"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Apply custom Color Maps to video stream.

Parameters:

Name Type Description Default
patch_size Image_size

set patch size (default "64x64")

Default('64x64')
nb_patches Int

set number of patches (from 0 to 64) (default 0)

Default(0)
type Int | Literal['relative', 'absolute'] | Default

set the target type used (from 0 to 1) (default absolute)

Default('absolute')
kernel Int | Literal['euclidean', 'weuclidean'] | Default

set the kernel used for measuring color difference (from 0 to 1) (default euclidean)

Default('euclidean')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

concat

concat(
    *streams: FilterableStream,
    n: Int = Auto("len(streams) // (int(v) + int(a))"),
    v: Int = Default(1),
    a: Int = Default(0),
    unsafe: Boolean = Default(False),
    **kwargs: Any
) -> FilterNode

Concatenate audio and video streams.

Parameters:

Name Type Description Default
n Int

specify the number of segments (from 1 to INT_MAX) (default 2)

Auto('len(streams) // (int(v) + int(a))')
v Int

specify the number of video streams (from 0 to INT_MAX) (default 1)

Default(1)
a Int

specify the number of audio streams (from 0 to INT_MAX) (default 0)

Default(0)
unsafe Boolean

enable unsafe mode (default false)

Default(False)

Returns:

Name Type Description
filter_node FilterNode

the filter node

References

FFmpeg Documentation

convolve

convolve(
    _main: VideoStream,
    _impulse: VideoStream,
    *,
    planes: Int = Default(7),
    impulse: (
        Int | Literal["first", "all"] | Default
    ) = Default("all"),
    noise: Float = Default(1e-07),
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Convolve first video stream with second video stream.

Parameters:

Name Type Description Default
planes Int

set planes to convolve (from 0 to 15) (default 7)

Default(7)
impulse Int | Literal['first', 'all'] | Default

when to process impulses (from 0 to 1) (default all)

Default('all')
noise Float

set noise (from 0 to 1) (default 1e-07)

Default(1e-07)
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

corr

corr(
    _main: VideoStream,
    _reference: VideoStream,
    *,
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Calculate the correlation between two video streams.

Parameters:

Name Type Description Default
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

decimate

decimate(
    *streams: VideoStream,
    cycle: Int = Default(5),
    dupthresh: Double = Default(1.1),
    scthresh: Double = Default(15.0),
    blockx: Int = Default(32),
    blocky: Int = Default(32),
    ppsrc: Boolean = Default(False),
    chroma: Boolean = Default(True),
    mixed: Boolean = Default(False),
    **kwargs: Any
) -> VideoStream

Decimate frames (post field matching filter).

Parameters:

Name Type Description Default
cycle Int

set the number of frame from which one will be dropped (from 2 to 25) (default 5)

Default(5)
dupthresh Double

set duplicate threshold (from 0 to 100) (default 1.1)

Default(1.1)
scthresh Double

set scene change threshold (from 0 to 100) (default 15)

Default(15.0)
blockx Int

set the size of the x-axis blocks used during metric calculations (from 4 to 512) (default 32)

Default(32)
blocky Int

set the size of the y-axis blocks used during metric calculations (from 4 to 512) (default 32)

Default(32)
ppsrc Boolean

mark main input as a pre-processed input and activate clean source input stream (default false)

Default(False)
chroma Boolean

set whether or not chroma is considered in the metric calculations (default true)

Default(True)
mixed Boolean

set whether or not the input only partially contains content to be decimated (default false)

Default(False)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

deconvolve

deconvolve(
    _main: VideoStream,
    _impulse: VideoStream,
    *,
    planes: Int = Default(7),
    impulse: (
        Int | Literal["first", "all"] | Default
    ) = Default("all"),
    noise: Float = Default(1e-07),
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Deconvolve first video stream with second video stream.

Parameters:

Name Type Description Default
planes Int

set planes to deconvolve (from 0 to 15) (default 7)

Default(7)
impulse Int | Literal['first', 'all'] | Default

when to process impulses (from 0 to 1) (default all)

Default('all')
noise Float

set noise (from 0 to 1) (default 1e-07)

Default(1e-07)
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

displace

displace(
    _source: VideoStream,
    _xmap: VideoStream,
    _ymap: VideoStream,
    *,
    edge: (
        Int
        | Literal["blank", "smear", "wrap", "mirror"]
        | Default
    ) = Default("smear"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Displace pixels.

Parameters:

Name Type Description Default
edge Int | Literal['blank', 'smear', 'wrap', 'mirror'] | Default

set edge mode (from 0 to 3) (default smear)

Default('smear')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

feedback

feedback(
    _default: VideoStream,
    _feedin: VideoStream,
    *,
    x: Int = Default(0),
    w: Int = Default(0),
    **kwargs: Any
) -> tuple[VideoStream, VideoStream]

Apply feedback video filter.

Parameters:

Name Type Description Default
x Int

set top left crop position (from 0 to INT_MAX) (default 0)

Default(0)
w Int

set crop size (from 0 to INT_MAX) (default 0)

Default(0)

Returns:

Name Type Description
default VideoStream

the video stream

feedout VideoStream

the video stream

References

FFmpeg Documentation

fieldmatch

fieldmatch(
    *streams: VideoStream,
    order: (
        Int | Literal["auto", "bff", "tff"] | Default
    ) = Default("auto"),
    mode: (
        Int
        | Literal[
            "pc", "pc_n", "pc_u", "pc_n_ub", "pcn", "pcn_ub"
        ]
        | Default
    ) = Default("pc_n"),
    ppsrc: Boolean = Default(False),
    field: (
        Int | Literal["auto", "bottom", "top"] | Default
    ) = Default("auto"),
    mchroma: Boolean = Default(True),
    y0: Int = Default(0),
    scthresh: Double = Default(12.0),
    combmatch: (
        Int | Literal["none", "sc", "full"] | Default
    ) = Default("sc"),
    combdbg: (
        Int | Literal["none", "pcn", "pcnub"] | Default
    ) = Default("none"),
    cthresh: Int = Default(9),
    chroma: Boolean = Default(False),
    blockx: Int = Default(16),
    blocky: Int = Default(16),
    combpel: Int = Default(80),
    **kwargs: Any
) -> VideoStream

Field matching for inverse telecine.

Parameters:

Name Type Description Default
order Int | Literal['auto', 'bff', 'tff'] | Default

specify the assumed field order (from -1 to 1) (default auto)

Default('auto')
mode Int | Literal['pc', 'pc_n', 'pc_u', 'pc_n_ub', 'pcn', 'pcn_ub'] | Default

set the matching mode or strategy to use (from 0 to 5) (default pc_n)

Default('pc_n')
ppsrc Boolean

mark main input as a pre-processed input and activate clean source input stream (default false)

Default(False)
field Int | Literal['auto', 'bottom', 'top'] | Default

set the field to match from (from -1 to 1) (default auto)

Default('auto')
mchroma Boolean

set whether or not chroma is included during the match comparisons (default true)

Default(True)
y0 Int

define an exclusion band which excludes the lines between y0 and y1 from the field matching decision (from 0 to INT_MAX) (default 0)

Default(0)
scthresh Double

set scene change detection threshold (from 0 to 100) (default 12)

Default(12.0)
combmatch Int | Literal['none', 'sc', 'full'] | Default

set combmatching mode (from 0 to 2) (default sc)

Default('sc')
combdbg Int | Literal['none', 'pcn', 'pcnub'] | Default

enable comb debug (from 0 to 2) (default none)

Default('none')
cthresh Int

set the area combing threshold used for combed frame detection (from -1 to 255) (default 9)

Default(9)
chroma Boolean

set whether or not chroma is considered in the combed frame decision (default false)

Default(False)
blockx Int

set the x-axis size of the window used during combed frame detection (from 4 to 512) (default 16)

Default(16)
blocky Int

set the y-axis size of the window used during combed frame detection (from 4 to 512) (default 16)

Default(16)
combpel Int

set the number of combed pixels inside any of the blocky by blockx size blocks on the frame for the frame to be detected as combed (from 0 to INT_MAX) (default 80)

Default(80)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

framepack

framepack(
    _left: VideoStream,
    _right: VideoStream,
    *,
    format: (
        Int
        | Literal[
            "sbs", "tab", "frameseq", "lines", "columns"
        ]
        | Default
    ) = Default("sbs"),
    **kwargs: Any
) -> VideoStream

Generate a frame packed stereoscopic video.

Parameters:

Name Type Description Default
format Int | Literal['sbs', 'tab', 'frameseq', 'lines', 'columns'] | Default

Frame pack output format (from 0 to INT_MAX) (default sbs)

Default('sbs')

Returns:

Name Type Description
packed VideoStream

the video stream

References

FFmpeg Documentation

freezeframes

freezeframes(
    _source: VideoStream,
    _replace: VideoStream,
    *,
    first: Int64 = Default(0),
    last: Int64 = Default(0),
    replace: Int64 = Default(0),
    **kwargs: Any
) -> VideoStream

Freeze video frames.

Parameters:

Name Type Description Default
first Int64

set first frame to freeze (from 0 to I64_MAX) (default 0)

Default(0)
last Int64

set last frame to freeze (from 0 to I64_MAX) (default 0)

Default(0)
replace Int64

set frame to replace (from 0 to I64_MAX) (default 0)

Default(0)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

guided

guided(
    *streams: VideoStream,
    radius: Int = Default(3),
    eps: Float = Default(0.01),
    mode: (
        Int | Literal["basic", "fast"] | Default
    ) = Default("basic"),
    sub: Int = Default(4),
    guidance: (
        Int | Literal["off", "on"] | Default
    ) = Default("off"),
    planes: Int = Default(1),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Apply Guided filter.

Parameters:

Name Type Description Default
radius Int

set the box radius (from 1 to 20) (default 3)

Default(3)
eps Float

set the regularization parameter (with square) (from 0 to 1) (default 0.01)

Default(0.01)
mode Int | Literal['basic', 'fast'] | Default

set filtering mode (0: basic mode; 1: fast mode) (from 0 to 1) (default basic)

Default('basic')
sub Int

subsampling ratio for fast mode (from 2 to 64) (default 4)

Default(4)
guidance Int | Literal['off', 'on'] | Default

set guidance mode (0: off mode; 1: on mode) (from 0 to 1) (default off)

Default('off')
planes Int

set planes to filter (from 0 to 15) (default 1)

Default(1)
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

haldclut

haldclut(
    _main: VideoStream,
    _clut: VideoStream,
    *,
    clut: Int | Literal["first", "all"] | Default = Default(
        "all"
    ),
    interp: (
        Int
        | Literal[
            "nearest",
            "trilinear",
            "tetrahedral",
            "pyramid",
            "prism",
        ]
        | Default
    ) = Default("tetrahedral"),
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Adjust colors using a Hald CLUT.

Parameters:

Name Type Description Default
clut Int | Literal['first', 'all'] | Default

when to process CLUT (from 0 to 1) (default all)

Default('all')
interp Int | Literal['nearest', 'trilinear', 'tetrahedral', 'pyramid', 'prism'] | Default

select interpolation mode (from 0 to 4) (default tetrahedral)

Default('tetrahedral')
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

headphone

headphone(
    *streams: AudioStream,
    map: String = Default(None),
    gain: Float = Default(0.0),
    lfe: Float = Default(0.0),
    type: Int | Literal["time", "freq"] | Default = Default(
        "freq"
    ),
    size: Int = Default(1024),
    hrir: (
        Int | Literal["stereo", "multich"] | Default
    ) = Default("stereo"),
    **kwargs: Any
) -> AudioStream

Apply headphone binaural spatialization with HRTFs in additional streams.

Parameters:

Name Type Description Default
map String

set channels convolution mappings

Default(None)
gain Float

set gain in dB (from -20 to 40) (default 0)

Default(0.0)
lfe Float

set lfe gain in dB (from -20 to 40) (default 0)

Default(0.0)
type Int | Literal['time', 'freq'] | Default

set processing (from 0 to 1) (default freq)

Default('freq')
size Int

set frame size (from 1024 to 96000) (default 1024)

Default(1024)
hrir Int | Literal['stereo', 'multich'] | Default

set hrir format (from 0 to 1) (default stereo)

Default('stereo')

Returns:

Name Type Description
default AudioStream

the audio stream

References

FFmpeg Documentation

hstack

hstack(
    *streams: VideoStream,
    inputs: Int = Auto("len(streams)"),
    shortest: Boolean = Default(False),
    **kwargs: Any
) -> VideoStream

Stack video inputs horizontally.

Parameters:

Name Type Description Default
inputs Int

set number of inputs (from 2 to INT_MAX) (default 2)

Auto('len(streams)')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

hysteresis

hysteresis(
    _base: VideoStream,
    _alt: VideoStream,
    *,
    planes: Int = Default(15),
    threshold: Int = Default(0),
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Grow first stream into second stream by connecting components.

Parameters:

Name Type Description Default
planes Int

set planes (from 0 to 15) (default 15)

Default(15)
threshold Int

set threshold (from 0 to 65535) (default 0)

Default(0)
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

identity

identity(
    _main: VideoStream,
    _reference: VideoStream,
    *,
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Calculate the Identity between two video streams.

Parameters:

Name Type Description Default
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

interleave

interleave(
    *streams: VideoStream,
    nb_inputs: Int = Auto("len(streams)"),
    duration: (
        Int
        | Literal["longest", "shortest", "first"]
        | Default
    ) = Default("longest"),
    **kwargs: Any
) -> VideoStream

Temporally interleave video inputs.

Parameters:

Name Type Description Default
nb_inputs Int

set number of inputs (from 1 to INT_MAX) (default 2)

Auto('len(streams)')
duration Int | Literal['longest', 'shortest', 'first'] | Default

how to determine the end-of-stream (from 0 to 2) (default longest)

Default('longest')

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

join

join(
    *streams: AudioStream,
    inputs: Int = Auto("len(streams)"),
    channel_layout: String = Default("stereo"),
    map: String = Default(None),
    **kwargs: Any
) -> AudioStream

Join multiple audio streams into multi-channel output.

Parameters:

Name Type Description Default
inputs Int

Number of input streams. (from 1 to INT_MAX) (default 2)

Auto('len(streams)')
channel_layout String

Channel layout of the output stream. (default "stereo")

Default('stereo')
map String

A comma-separated list of channels maps in the format 'input_stream.input_channel-output_channel.

Default(None)

Returns:

Name Type Description
default AudioStream

the audio stream

References

FFmpeg Documentation

libvmaf

libvmaf(
    _main: VideoStream,
    _reference: VideoStream,
    *,
    model_path: String = Default(None),
    log_path: String = Default(None),
    log_fmt: String = Default("xml"),
    enable_transform: Boolean = Default(False),
    psnr: Boolean = Default(False),
    ssim: Boolean = Default(False),
    ms_ssim: Boolean = Default(False),
    pool: String = Default(None),
    n_threads: Int = Default(0),
    n_subsample: Int = Default(1),
    enable_conf_interval: Boolean = Default(False),
    model: String = Default("version=vmaf_v0.6.1"),
    feature: String = Default(None),
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    **kwargs: Any
) -> VideoStream

Calculate the VMAF between two video streams.

Parameters:

Name Type Description Default
model_path String

use model='path=...'.

Default(None)
log_path String

Set the file path to be used to write log.

Default(None)
log_fmt String

Set the format of the log (csv, json, xml, or sub). (default "xml")

Default('xml')
enable_transform Boolean

use model='enable_transform=true'. (default false)

Default(False)
psnr Boolean

use feature='name=psnr'. (default false)

Default(False)
ssim Boolean

use feature='name=float_ssim'. (default false)

Default(False)
ms_ssim Boolean

use feature='name=float_ms_ssim'. (default false)

Default(False)
pool String

Set the pool method to be used for computing vmaf.

Default(None)
n_threads Int

Set number of threads to be used when computing vmaf. (from 0 to UINT32_MAX) (default 0)

Default(0)
n_subsample Int

Set interval for frame subsampling used when computing vmaf. (from 1 to UINT32_MAX) (default 1)

Default(1)
enable_conf_interval Boolean

model='enable_conf_interval=true'. (default false)

Default(False)
model String

Set the model to be used for computing vmaf. (default "version=vmaf_v0.6.1")

Default('version=vmaf_v0.6.1')
feature String

Set the feature to be used for computing vmaf.

Default(None)
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

limitdiff

limitdiff(
    *streams: VideoStream,
    threshold: Float = Default(0.00392157),
    elasticity: Float = Default(2.0),
    reference: Boolean = Default(False),
    planes: Int = Default(15),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Apply filtering with limiting difference.

Parameters:

Name Type Description Default
threshold Float

set the threshold (from 0 to 1) (default 0.00392157)

Default(0.00392157)
elasticity Float

set the elasticity (from 0 to 10) (default 2)

Default(2.0)
reference Boolean

enable reference stream (default false)

Default(False)
planes Int

set the planes to filter (from 0 to 15) (default 15)

Default(15)
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

lut2

lut2(
    _srcx: VideoStream,
    _srcy: VideoStream,
    *,
    c0: String = Default("x"),
    c1: String = Default("x"),
    c2: String = Default("x"),
    c3: String = Default("x"),
    d: Int = Default(0),
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Compute and apply a lookup table from two video inputs.

Parameters:

Name Type Description Default
c0 String

set component #0 expression (default "x")

Default('x')
c1 String

set component #1 expression (default "x")

Default('x')
c2 String

set component #2 expression (default "x")

Default('x')
c3 String

set component #3 expression (default "x")

Default('x')
d Int

set output depth (from 0 to 16) (default 0)

Default(0)
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

maskedclamp

maskedclamp(
    _base: VideoStream,
    _dark: VideoStream,
    _bright: VideoStream,
    *,
    undershoot: Int = Default(0),
    overshoot: Int = Default(0),
    planes: Int = Default(15),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Clamp first stream with second stream and third stream.

Parameters:

Name Type Description Default
undershoot Int

set undershoot (from 0 to 65535) (default 0)

Default(0)
overshoot Int

set overshoot (from 0 to 65535) (default 0)

Default(0)
planes Int

set planes (from 0 to 15) (default 15)

Default(15)
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

maskedmax

maskedmax(
    _source: VideoStream,
    _filter1: VideoStream,
    _filter2: VideoStream,
    *,
    planes: Int = Default(15),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Apply filtering with maximum difference of two streams.

Parameters:

Name Type Description Default
planes Int

set planes (from 0 to 15) (default 15)

Default(15)
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

maskedmerge

maskedmerge(
    _base: VideoStream,
    _overlay: VideoStream,
    _mask: VideoStream,
    *,
    planes: Int = Default(15),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Merge first stream with second stream using third stream as mask.

Parameters:

Name Type Description Default
planes Int

set planes (from 0 to 15) (default 15)

Default(15)
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

maskedmin

maskedmin(
    _source: VideoStream,
    _filter1: VideoStream,
    _filter2: VideoStream,
    *,
    planes: Int = Default(15),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Apply filtering with minimum difference of two streams.

Parameters:

Name Type Description Default
planes Int

set planes (from 0 to 15) (default 15)

Default(15)
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

maskedthreshold

maskedthreshold(
    _source: VideoStream,
    _reference: VideoStream,
    *,
    threshold: Int = Default(1),
    planes: Int = Default(15),
    mode: Int | Literal["abs", "diff"] | Default = Default(
        "abs"
    ),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Pick pixels comparing absolute difference of two streams with threshold.

Parameters:

Name Type Description Default
threshold Int

set threshold (from 0 to 65535) (default 1)

Default(1)
planes Int

set planes (from 0 to 15) (default 15)

Default(15)
mode Int | Literal['abs', 'diff'] | Default

set mode (from 0 to 1) (default abs)

Default('abs')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

mergeplanes

mergeplanes(
    *streams: VideoStream,
    mapping: Int = Default(-1),
    format: Pix_fmt = Default("yuva444p"),
    map0s: Int = Default(0),
    map0p: Int = Default(0),
    map1s: Int = Default(0),
    map1p: Int = Default(0),
    map2s: Int = Default(0),
    map2p: Int = Default(0),
    map3s: Int = Default(0),
    map3p: Int = Default(0),
    **kwargs: Any
) -> VideoStream

Merge planes.

Parameters:

Name Type Description Default
mapping Int

set input to output plane mapping (from -1 to 8.58993e+08) (default -1)

Default(-1)
format Pix_fmt

set output pixel format (default yuva444p)

Default('yuva444p')
map0s Int

set 1st input to output stream mapping (from 0 to 3) (default 0)

Default(0)
map0p Int

set 1st input to output plane mapping (from 0 to 3) (default 0)

Default(0)
map1s Int

set 2nd input to output stream mapping (from 0 to 3) (default 0)

Default(0)
map1p Int

set 2nd input to output plane mapping (from 0 to 3) (default 0)

Default(0)
map2s Int

set 3rd input to output stream mapping (from 0 to 3) (default 0)

Default(0)
map2p Int

set 3rd input to output plane mapping (from 0 to 3) (default 0)

Default(0)
map3s Int

set 4th input to output stream mapping (from 0 to 3) (default 0)

Default(0)
map3p Int

set 4th input to output plane mapping (from 0 to 3) (default 0)

Default(0)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

midequalizer

midequalizer(
    _in0: VideoStream,
    _in1: VideoStream,
    *,
    planes: Int = Default(15),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Apply Midway Equalization.

Parameters:

Name Type Description Default
planes Int

set planes (from 0 to 15) (default 15)

Default(15)
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

mix

mix(
    *streams: VideoStream,
    inputs: Int = Auto("len(streams)"),
    weights: String = Default("1 1"),
    scale: Float = Default(0.0),
    planes: Flags = Default("F"),
    duration: (
        Int
        | Literal["longest", "shortest", "first"]
        | Default
    ) = Default("longest"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Mix video inputs.

Parameters:

Name Type Description Default
inputs Int

set number of inputs (from 2 to 32767) (default 2)

Auto('len(streams)')
weights String

set weight for each input (default "1 1")

Default('1 1')
scale Float

set scale (from 0 to 32767) (default 0)

Default(0.0)
planes Flags

set what planes to filter (default F)

Default('F')
duration Int | Literal['longest', 'shortest', 'first'] | Default

how to determine end of stream (from 0 to 2) (default longest)

Default('longest')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

morpho

morpho(
    _default: VideoStream,
    _structure: VideoStream,
    *,
    mode: (
        Int
        | Literal[
            "erode",
            "dilate",
            "open",
            "close",
            "gradient",
            "tophat",
            "blackhat",
        ]
        | Default
    ) = Default("erode"),
    planes: Int = Default(7),
    structure: (
        Int | Literal["first", "all"] | Default
    ) = Default("all"),
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Apply Morphological filter.

Parameters:

Name Type Description Default
mode Int | Literal['erode', 'dilate', 'open', 'close', 'gradient', 'tophat', 'blackhat'] | Default

set morphological transform (from 0 to 6) (default erode)

Default('erode')
planes Int

set planes to filter (from 0 to 15) (default 7)

Default(7)
structure Int | Literal['first', 'all'] | Default

when to process structures (from 0 to 1) (default all)

Default('all')
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

msad

msad(
    _main: VideoStream,
    _reference: VideoStream,
    *,
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Calculate the MSAD between two video streams.

Parameters:

Name Type Description Default
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

multiply

multiply(
    _source: VideoStream,
    _factor: VideoStream,
    *,
    scale: Float = Default(1.0),
    offset: Float = Default(0.5),
    planes: Flags = Default("F"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Multiply first video stream with second video stream.

Parameters:

Name Type Description Default
scale Float

set scale (from 0 to 9) (default 1)

Default(1.0)
offset Float

set offset (from -1 to 1) (default 0.5)

Default(0.5)
planes Flags

set planes (default F)

Default('F')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

overlay

overlay(
    _main: VideoStream,
    _overlay: VideoStream,
    *,
    x: String = Default("0"),
    y: String = Default("0"),
    eof_action: (
        Int
        | Literal[
            "repeat",
            "endall",
            "pass",
            "repeat",
            "endall",
            "pass",
        ]
        | Default
    ) = Default("repeat"),
    eval: (
        Int | Literal["init", "frame"] | Default
    ) = Default("frame"),
    shortest: Boolean = Default(False),
    format: (
        Int
        | Literal[
            "yuv420",
            "yuv420p10",
            "yuv422",
            "yuv422p10",
            "yuv444",
            "rgb",
            "gbrp",
            "auto",
        ]
        | Default
    ) = Default("yuv420"),
    repeatlast: Boolean = Default(True),
    alpha: (
        Int | Literal["straight", "premultiplied"] | Default
    ) = Default("straight"),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Overlay a video source on top of the input.

Parameters:

Name Type Description Default
x String

set the x expression (default "0")

Default('0')
y String

set the y expression (default "0")

Default('0')
eof_action Int | Literal['repeat', 'endall', 'pass', 'repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
eval Int | Literal['init', 'frame'] | Default

specify when to evaluate expressions (from 0 to 1) (default frame)

Default('frame')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
format Int | Literal['yuv420', 'yuv420p10', 'yuv422', 'yuv422p10', 'yuv444', 'rgb', 'gbrp', 'auto'] | Default

set output format (from 0 to 7) (default yuv420)

Default('yuv420')
repeatlast Boolean

repeat overlay of the last overlay frame (default true)

Default(True)
alpha Int | Literal['straight', 'premultiplied'] | Default

alpha format (from 0 to 1) (default straight)

Default('straight')
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

paletteuse

paletteuse(
    _default: VideoStream,
    _palette: VideoStream,
    *,
    dither: (
        Int
        | Literal[
            "bayer",
            "heckbert",
            "floyd_steinberg",
            "sierra2",
            "sierra2_4a",
            "sierra3",
            "burkes",
            "atkinson",
        ]
        | Default
    ) = Default("sierra2_4a"),
    bayer_scale: Int = Default(2),
    diff_mode: (
        Int | Literal["rectangle"] | Default
    ) = Default(0),
    new: Boolean = Default(False),
    alpha_threshold: Int = Default(128),
    debug_kdtree: String = Default(None),
    **kwargs: Any
) -> VideoStream

Use a palette to downsample an input video stream.

Parameters:

Name Type Description Default
dither Int | Literal['bayer', 'heckbert', 'floyd_steinberg', 'sierra2', 'sierra2_4a', 'sierra3', 'burkes', 'atkinson'] | Default

select dithering mode (from 0 to 8) (default sierra2_4a)

Default('sierra2_4a')
bayer_scale Int

set scale for bayer dithering (from 0 to 5) (default 2)

Default(2)
diff_mode Int | Literal['rectangle'] | Default

set frame difference mode (from 0 to 1) (default 0)

Default(0)
new Boolean

take new palette for each output frame (default false)

Default(False)
alpha_threshold Int

set the alpha threshold for transparency (from 0 to 255) (default 128)

Default(128)
debug_kdtree String

save Graphviz graph of the kdtree in specified file

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

premultiply

premultiply(
    *streams: VideoStream,
    planes: Int = Default(15),
    inplace: Boolean = Default(False),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

PreMultiply first stream with first plane of second stream.

Parameters:

Name Type Description Default
planes Int

set planes (from 0 to 15) (default 15)

Default(15)
inplace Boolean

enable inplace mode (default false)

Default(False)
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

psnr

psnr(
    _main: VideoStream,
    _reference: VideoStream,
    *,
    stats_file: String = Default(None),
    stats_version: Int = Default(1),
    output_max: Boolean = Default(False),
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Calculate the PSNR between two video streams.

Parameters:

Name Type Description Default
stats_file String

Set file where to store per-frame difference information

Default(None)
stats_version Int

Set the format version for the stats file. (from 1 to 2) (default 1)

Default(1)
output_max Boolean

Add raw stats (max values) to the output log. (default false)

Default(False)
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

remap

remap(
    _source: VideoStream,
    _xmap: VideoStream,
    _ymap: VideoStream,
    *,
    format: (
        Int | Literal["color", "gray"] | Default
    ) = Default("color"),
    fill: Color = Default("black"),
    **kwargs: Any
) -> VideoStream

Remap pixels.

Parameters:

Name Type Description Default
format Int | Literal['color', 'gray'] | Default

set output format (from 0 to 1) (default color)

Default('color')
fill Color

set the color of the unmapped pixels (default "black")

Default('black')

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

scale2ref

scale2ref(
    _default: VideoStream,
    _ref: VideoStream,
    *,
    w: String = Default(None),
    h: String = Default(None),
    flags: String = Default(""),
    interl: Boolean = Default(False),
    in_color_matrix: (
        String
        | Literal[
            "auto",
            "bt601",
            "bt470",
            "smpte170m",
            "bt709",
            "fcc",
            "smpte240m",
            "bt2020",
        ]
        | Default
    ) = Default("auto"),
    out_color_matrix: (
        String
        | Literal[
            "auto",
            "bt601",
            "bt470",
            "smpte170m",
            "bt709",
            "fcc",
            "smpte240m",
            "bt2020",
        ]
        | Default
    ) = Default(None),
    in_range: (
        Int
        | Literal[
            "auto",
            "unknown",
            "full",
            "limited",
            "jpeg",
            "mpeg",
            "tv",
            "pc",
        ]
        | Default
    ) = Default("auto"),
    out_range: (
        Int
        | Literal[
            "auto",
            "unknown",
            "full",
            "limited",
            "jpeg",
            "mpeg",
            "tv",
            "pc",
        ]
        | Default
    ) = Default("auto"),
    in_v_chr_pos: Int = Default(-513),
    in_h_chr_pos: Int = Default(-513),
    out_v_chr_pos: Int = Default(-513),
    out_h_chr_pos: Int = Default(-513),
    force_original_aspect_ratio: (
        Int
        | Literal["disable", "decrease", "increase"]
        | Default
    ) = Default("disable"),
    force_divisible_by: Int = Default(1),
    param0: Double = Default("DBL_MAX"),
    param1: Double = Default("DBL_MAX"),
    eval: (
        Int | Literal["init", "frame"] | Default
    ) = Default("init"),
    **kwargs: Any
) -> tuple[VideoStream, VideoStream]

Scale the input video size and/or convert the image format to the given reference.

Parameters:

Name Type Description Default
w String

Output video width

Default(None)
h String

Output video height

Default(None)
flags String

Flags to pass to libswscale (default "")

Default('')
interl Boolean

set interlacing (default false)

Default(False)
in_color_matrix String | Literal['auto', 'bt601', 'bt470', 'smpte170m', 'bt709', 'fcc', 'smpte240m', 'bt2020'] | Default

set input YCbCr type (default "auto")

Default('auto')
out_color_matrix String | Literal['auto', 'bt601', 'bt470', 'smpte170m', 'bt709', 'fcc', 'smpte240m', 'bt2020'] | Default

set output YCbCr type

Default(None)
in_range Int | Literal['auto', 'unknown', 'full', 'limited', 'jpeg', 'mpeg', 'tv', 'pc'] | Default

set input color range (from 0 to 2) (default auto)

Default('auto')
out_range Int | Literal['auto', 'unknown', 'full', 'limited', 'jpeg', 'mpeg', 'tv', 'pc'] | Default

set output color range (from 0 to 2) (default auto)

Default('auto')
in_v_chr_pos Int

input vertical chroma position in luma grid/256 (from -513 to 512) (default -513)

Default(-513)
in_h_chr_pos Int

input horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)

Default(-513)
out_v_chr_pos Int

output vertical chroma position in luma grid/256 (from -513 to 512) (default -513)

Default(-513)
out_h_chr_pos Int

output horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)

Default(-513)
force_original_aspect_ratio Int | Literal['disable', 'decrease', 'increase'] | Default

decrease or increase w/h if necessary to keep the original AR (from 0 to 2) (default disable)

Default('disable')
force_divisible_by Int

enforce that the output resolution is divisible by a defined integer when force_original_aspect_ratio is used (from 1 to 256) (default 1)

Default(1)
param0 Double

Scaler param 0 (from -DBL_MAX to DBL_MAX) (default DBL_MAX)

Default('DBL_MAX')
param1 Double

Scaler param 1 (from -DBL_MAX to DBL_MAX) (default DBL_MAX)

Default('DBL_MAX')
eval Int | Literal['init', 'frame'] | Default

specify when to evaluate expressions (from 0 to 1) (default init)

Default('init')

Returns:

Name Type Description
default VideoStream

the video stream

ref VideoStream

the video stream

References

FFmpeg Documentation

sidechaincompress

sidechaincompress(
    _main: AudioStream,
    _sidechain: AudioStream,
    *,
    level_in: Double = Default(1.0),
    mode: (
        Int | Literal["downward", "upward"] | Default
    ) = Default("downward"),
    threshold: Double = Default(0.125),
    ratio: Double = Default(2.0),
    attack: Double = Default(20.0),
    release: Double = Default(250.0),
    makeup: Double = Default(1.0),
    knee: Double = Default(2.82843),
    link: (
        Int | Literal["average", "maximum"] | Default
    ) = Default("average"),
    detection: (
        Int | Literal["peak", "rms"] | Default
    ) = Default("rms"),
    level_sc: Double = Default(1.0),
    mix: Double = Default(1.0),
    **kwargs: Any
) -> AudioStream

Sidechain compressor.

Parameters:

Name Type Description Default
level_in Double

set input gain (from 0.015625 to 64) (default 1)

Default(1.0)
mode Int | Literal['downward', 'upward'] | Default

set mode (from 0 to 1) (default downward)

Default('downward')
threshold Double

set threshold (from 0.000976563 to 1) (default 0.125)

Default(0.125)
ratio Double

set ratio (from 1 to 20) (default 2)

Default(2.0)
attack Double

set attack (from 0.01 to 2000) (default 20)

Default(20.0)
release Double

set release (from 0.01 to 9000) (default 250)

Default(250.0)
makeup Double

set make up gain (from 1 to 64) (default 1)

Default(1.0)
knee Double

set knee (from 1 to 8) (default 2.82843)

Default(2.82843)
link Int | Literal['average', 'maximum'] | Default

set link type (from 0 to 1) (default average)

Default('average')
detection Int | Literal['peak', 'rms'] | Default

set detection (from 0 to 1) (default rms)

Default('rms')
level_sc Double

set sidechain gain (from 0.015625 to 64) (default 1)

Default(1.0)
mix Double

set mix (from 0 to 1) (default 1)

Default(1.0)

Returns:

Name Type Description
default AudioStream

the audio stream

References

FFmpeg Documentation

sidechaingate

sidechaingate(
    _main: AudioStream,
    _sidechain: AudioStream,
    *,
    level_in: Double = Default(1.0),
    mode: (
        Int | Literal["downward", "upward"] | Default
    ) = Default("downward"),
    range: Double = Default(0.06125),
    threshold: Double = Default(0.125),
    ratio: Double = Default(2.0),
    attack: Double = Default(20.0),
    release: Double = Default(250.0),
    makeup: Double = Default(1.0),
    knee: Double = Default(2.82843),
    detection: (
        Int | Literal["peak", "rms"] | Default
    ) = Default("rms"),
    link: (
        Int | Literal["average", "maximum"] | Default
    ) = Default("average"),
    level_sc: Double = Default(1.0),
    enable: String = Default(None),
    **kwargs: Any
) -> AudioStream

Audio sidechain gate.

Parameters:

Name Type Description Default
level_in Double

set input level (from 0.015625 to 64) (default 1)

Default(1.0)
mode Int | Literal['downward', 'upward'] | Default

set mode (from 0 to 1) (default downward)

Default('downward')
range Double

set max gain reduction (from 0 to 1) (default 0.06125)

Default(0.06125)
threshold Double

set threshold (from 0 to 1) (default 0.125)

Default(0.125)
ratio Double

set ratio (from 1 to 9000) (default 2)

Default(2.0)
attack Double

set attack (from 0.01 to 9000) (default 20)

Default(20.0)
release Double

set release (from 0.01 to 9000) (default 250)

Default(250.0)
makeup Double

set makeup gain (from 1 to 64) (default 1)

Default(1.0)
knee Double

set knee (from 1 to 8) (default 2.82843)

Default(2.82843)
detection Int | Literal['peak', 'rms'] | Default

set detection (from 0 to 1) (default rms)

Default('rms')
link Int | Literal['average', 'maximum'] | Default

set link (from 0 to 1) (default average)

Default('average')
level_sc Double

set sidechain gain (from 0.015625 to 64) (default 1)

Default(1.0)
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default AudioStream

the audio stream

References

FFmpeg Documentation

signature

signature(
    *streams: VideoStream,
    detectmode: (
        Int | Literal["off", "full", "fast"] | Default
    ) = Default("off"),
    nb_inputs: Int = Auto("len(streams)"),
    filename: String = Default(""),
    format: (
        Int | Literal["binary", "xml"] | Default
    ) = Default("binary"),
    th_d: Int = Default(9000),
    th_dc: Int = Default(60000),
    th_xh: Int = Default(116),
    th_di: Int = Default(0),
    th_it: Double = Default(0.5),
    **kwargs: Any
) -> VideoStream

Calculate the MPEG-7 video signature

Parameters:

Name Type Description Default
detectmode Int | Literal['off', 'full', 'fast'] | Default

set the detectmode (from 0 to 2) (default off)

Default('off')
nb_inputs Int

number of inputs (from 1 to INT_MAX) (default 1)

Auto('len(streams)')
filename String

filename for output files (default "")

Default('')
format Int | Literal['binary', 'xml'] | Default

set output format (from 0 to 1) (default binary)

Default('binary')
th_d Int

threshold to detect one word as similar (from 1 to INT_MAX) (default 9000)

Default(9000)
th_dc Int

threshold to detect all words as similar (from 1 to INT_MAX) (default 60000)

Default(60000)
th_xh Int

threshold to detect frames as similar (from 1 to INT_MAX) (default 116)

Default(116)
th_di Int

minimum length of matching sequence in frames (from 0 to INT_MAX) (default 0)

Default(0)
th_it Double

threshold for relation of good to all frames (from 0 to 1) (default 0.5)

Default(0.5)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

spectrumsynth

spectrumsynth(
    _magnitude: VideoStream,
    _phase: VideoStream,
    *,
    sample_rate: Int = Default(44100),
    channels: Int = Default(1),
    scale: Int | Literal["lin", "log"] | Default = Default(
        "log"
    ),
    slide: (
        Int
        | Literal[
            "replace", "scroll", "fullframe", "rscroll"
        ]
        | Default
    ) = Default("fullframe"),
    win_func: (
        Int
        | Literal[
            "rect",
            "bartlett",
            "hann",
            "hanning",
            "hamming",
            "blackman",
            "welch",
            "flattop",
            "bharris",
            "bnuttall",
            "bhann",
            "sine",
            "nuttall",
            "lanczos",
            "gauss",
            "tukey",
            "dolph",
            "cauchy",
            "parzen",
            "poisson",
            "bohman",
            "kaiser",
        ]
        | Default
    ) = Default("rect"),
    overlap: Float = Default(1.0),
    orientation: (
        Int | Literal["vertical", "horizontal"] | Default
    ) = Default("vertical"),
    **kwargs: Any
) -> AudioStream

Convert input spectrum videos to audio output.

Parameters:

Name Type Description Default
sample_rate Int

set sample rate (from 15 to INT_MAX) (default 44100)

Default(44100)
channels Int

set channels (from 1 to 8) (default 1)

Default(1)
scale Int | Literal['lin', 'log'] | Default

set input amplitude scale (from 0 to 1) (default log)

Default('log')
slide Int | Literal['replace', 'scroll', 'fullframe', 'rscroll'] | Default

set input sliding mode (from 0 to 3) (default fullframe)

Default('fullframe')
win_func Int | Literal['rect', 'bartlett', 'hann', 'hanning', 'hamming', 'blackman', 'welch', 'flattop', 'bharris', 'bnuttall', 'bhann', 'sine', 'nuttall', 'lanczos', 'gauss', 'tukey', 'dolph', 'cauchy', 'parzen', 'poisson', 'bohman', 'kaiser'] | Default

set window function (from 0 to 20) (default rect)

Default('rect')
overlap Float

set window overlap (from 0 to 1) (default 1)

Default(1.0)
orientation Int | Literal['vertical', 'horizontal'] | Default

set orientation (from 0 to 1) (default vertical)

Default('vertical')

Returns:

Name Type Description
default AudioStream

the audio stream

References

FFmpeg Documentation

ssim

ssim(
    _main: VideoStream,
    _reference: VideoStream,
    *,
    stats_file: String = Default(None),
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Calculate the SSIM between two video streams.

Parameters:

Name Type Description Default
stats_file String

Set file where to store per-frame difference information

Default(None)
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

streamselect

streamselect(
    *streams: VideoStream,
    inputs: Int = Auto("len(streams)"),
    map: String = Default(None),
    **kwargs: Any
) -> FilterNode

Select video streams

Parameters:

Name Type Description Default
inputs Int

number of input streams (from 2 to INT_MAX) (default 2)

Auto('len(streams)')
map String

input indexes to remap to outputs

Default(None)

Returns:

Name Type Description
filter_node FilterNode

the filter node

References

FFmpeg Documentation

threshold

threshold(
    _default: VideoStream,
    _threshold: VideoStream,
    _min: VideoStream,
    _max: VideoStream,
    *,
    planes: Int = Default(15),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Threshold first video stream using other video streams.

Parameters:

Name Type Description Default
planes Int

set planes to filter (from 0 to 15) (default 15)

Default(15)
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

unpremultiply

unpremultiply(
    *streams: VideoStream,
    planes: Int = Default(15),
    inplace: Boolean = Default(False),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

UnPreMultiply first stream with first plane of second stream.

Parameters:

Name Type Description Default
planes Int

set planes (from 0 to 15) (default 15)

Default(15)
inplace Boolean

enable inplace mode (default false)

Default(False)
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

varblur

varblur(
    _default: VideoStream,
    _radius: VideoStream,
    *,
    min_r: Int = Default(0),
    max_r: Int = Default(8),
    planes: Int = Default(15),
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Apply Variable Blur filter.

Parameters:

Name Type Description Default
min_r Int

set min blur radius (from 0 to 254) (default 0)

Default(0)
max_r Int

set max blur radius (from 1 to 255) (default 8)

Default(8)
planes Int

set planes to filter (from 0 to 15) (default 15)

Default(15)
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

vif

vif(
    _main: VideoStream,
    _reference: VideoStream,
    *,
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Calculate the VIF between two video streams.

Parameters:

Name Type Description Default
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

vstack

vstack(
    *streams: VideoStream,
    inputs: Int = Auto("len(streams)"),
    shortest: Boolean = Default(False),
    **kwargs: Any
) -> VideoStream

Stack video inputs vertically.

Parameters:

Name Type Description Default
inputs Int

set number of inputs (from 2 to INT_MAX) (default 2)

Auto('len(streams)')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

xcorrelate

xcorrelate(
    _primary: VideoStream,
    _secondary: VideoStream,
    *,
    planes: Int = Default(7),
    secondary: (
        Int | Literal["first", "all"] | Default
    ) = Default("all"),
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Cross-correlate first video stream with second video stream.

Parameters:

Name Type Description Default
planes Int

set planes to cross-correlate (from 0 to 15) (default 7)

Default(7)
secondary Int | Literal['first', 'all'] | Default

when to process secondary frame (from 0 to 1) (default all)

Default('all')
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

xfade

xfade(
    _main: VideoStream,
    _xfade: VideoStream,
    *,
    transition: (
        Int
        | Literal[
            "custom",
            "fade",
            "wipeleft",
            "wiperight",
            "wipeup",
            "wipedown",
            "slideleft",
            "slideright",
            "slideup",
            "slidedown",
            "circlecrop",
            "rectcrop",
            "distance",
            "fadeblack",
            "fadewhite",
            "radial",
            "smoothleft",
            "smoothright",
            "smoothup",
            "smoothdown",
            "circleopen",
            "circleclose",
            "vertopen",
            "vertclose",
            "horzopen",
            "horzclose",
            "dissolve",
            "pixelize",
            "diagtl",
            "diagtr",
            "diagbl",
            "diagbr",
            "hlslice",
            "hrslice",
            "vuslice",
            "vdslice",
            "hblur",
            "fadegrays",
            "wipetl",
            "wipetr",
            "wipebl",
            "wipebr",
            "squeezeh",
            "squeezev",
            "zoomin",
            "fadefast",
            "fadeslow",
        ]
        | Default
    ) = Default("fade"),
    duration: Duration = Default(1.0),
    offset: Duration = Default(0.0),
    expr: String = Default(None),
    **kwargs: Any
) -> VideoStream

Cross fade one video with another video.

Parameters:

Name Type Description Default
transition Int | Literal['custom', 'fade', 'wipeleft', 'wiperight', 'wipeup', 'wipedown', 'slideleft', 'slideright', 'slideup', 'slidedown', 'circlecrop', 'rectcrop', 'distance', 'fadeblack', 'fadewhite', 'radial', 'smoothleft', 'smoothright', 'smoothup', 'smoothdown', 'circleopen', 'circleclose', 'vertopen', 'vertclose', 'horzopen', 'horzclose', 'dissolve', 'pixelize', 'diagtl', 'diagtr', 'diagbl', 'diagbr', 'hlslice', 'hrslice', 'vuslice', 'vdslice', 'hblur', 'fadegrays', 'wipetl', 'wipetr', 'wipebl', 'wipebr', 'squeezeh', 'squeezev', 'zoomin', 'fadefast', 'fadeslow'] | Default

set cross fade transition (from -1 to 45) (default fade)

Default('fade')
duration Duration

set cross fade duration (default 1)

Default(1.0)
offset Duration

set cross fade start relative to first input stream (default 0)

Default(0.0)
expr String

set expression for custom transition

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

xmedian

xmedian(
    *streams: VideoStream,
    inputs: Int = Auto("len(streams)"),
    planes: Int = Default(15),
    percentile: Float = Default(0.5),
    eof_action: (
        Int | Literal["repeat", "endall", "pass"] | Default
    ) = Default("repeat"),
    shortest: Boolean = Default(False),
    repeatlast: Boolean = Default(True),
    ts_sync_mode: (
        Int | Literal["default", "nearest"] | Default
    ) = Default("default"),
    enable: String = Default(None),
    **kwargs: Any
) -> VideoStream

Pick median pixels from several video inputs.

Parameters:

Name Type Description Default
inputs Int

set number of inputs (from 3 to 255) (default 3)

Auto('len(streams)')
planes Int

set planes to filter (from 0 to 15) (default 15)

Default(15)
percentile Float

set percentile (from 0 to 1) (default 0.5)

Default(0.5)
eof_action Int | Literal['repeat', 'endall', 'pass'] | Default

Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)

Default('repeat')
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
repeatlast Boolean

extend last frame of secondary streams beyond EOF (default true)

Default(True)
ts_sync_mode Int | Literal['default', 'nearest'] | Default

How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)

Default('default')
enable String

timeline editing

Default(None)

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation

xstack

xstack(
    *streams: VideoStream,
    inputs: Int = Auto("len(streams)"),
    layout: String = Default(None),
    grid: Image_size = Default(None),
    shortest: Boolean = Default(False),
    fill: String = Default("none"),
    **kwargs: Any
) -> VideoStream

Stack video inputs into custom layout.

Parameters:

Name Type Description Default
inputs Int

set number of inputs (from 2 to INT_MAX) (default 2)

Auto('len(streams)')
layout String

set custom layout

Default(None)
grid Image_size

set fixed size grid layout

Default(None)
shortest Boolean

force termination when the shortest input terminates (default false)

Default(False)
fill String

set the color for unused pixels (default "none")

Default('none')

Returns:

Name Type Description
default VideoStream

the video stream

References

FFmpeg Documentation