Struct BlackFrameBuilder

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#[non_exhaustive]
pub struct BlackFrameBuilder { /* private fields */ }

Expand description

A builder for BlackFrame.

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impl BlackFrameBuilder

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pub fn max_pixel_threshold(self, input: f32) -> Self

A threshold used to determine the maximum luminance value for a pixel to be considered black. In a full color range video, luminance values range from 0-255. A pixel value of 0 is pure black, and the most strict filter. The maximum black pixel value is computed as follows: max_black_pixel_value = minimum_luminance + MaxPixelThreshold *luminance_range.

For example, for a full range video with BlackPixelThreshold = 0.1, max_black_pixel_value is 0 + 0.1 * (255-0) = 25.5.

The default value of MaxPixelThreshold is 0.2, which maps to a max_black_pixel_value of 51 for a full range video. You can lower this threshold to be more strict on black levels.

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pub fn set_max_pixel_threshold(self, input: Option<f32>) -> Self

A threshold used to determine the maximum luminance value for a pixel to be considered black. In a full color range video, luminance values range from 0-255. A pixel value of 0 is pure black, and the most strict filter. The maximum black pixel value is computed as follows: max_black_pixel_value = minimum_luminance + MaxPixelThreshold *luminance_range.

For example, for a full range video with BlackPixelThreshold = 0.1, max_black_pixel_value is 0 + 0.1 * (255-0) = 25.5.

The default value of MaxPixelThreshold is 0.2, which maps to a max_black_pixel_value of 51 for a full range video. You can lower this threshold to be more strict on black levels.

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pub fn get_max_pixel_threshold(&self) -> &Option<f32>

A threshold used to determine the maximum luminance value for a pixel to be considered black. In a full color range video, luminance values range from 0-255. A pixel value of 0 is pure black, and the most strict filter. The maximum black pixel value is computed as follows: max_black_pixel_value = minimum_luminance + MaxPixelThreshold *luminance_range.

For example, for a full range video with BlackPixelThreshold = 0.1, max_black_pixel_value is 0 + 0.1 * (255-0) = 25.5.

The default value of MaxPixelThreshold is 0.2, which maps to a max_black_pixel_value of 51 for a full range video. You can lower this threshold to be more strict on black levels.

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pub fn min_coverage_percentage(self, input: f32) -> Self

The minimum percentage of pixels in a frame that need to have a luminance below the max_black_pixel_value for a frame to be considered a black frame. Luminance is calculated using the BT.709 matrix.

The default value is 99, which means at least 99% of all pixels in the frame are black pixels as per the MaxPixelThreshold set. You can reduce this value to allow more noise on the black frame.

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pub fn set_min_coverage_percentage(self, input: Option<f32>) -> Self

The minimum percentage of pixels in a frame that need to have a luminance below the max_black_pixel_value for a frame to be considered a black frame. Luminance is calculated using the BT.709 matrix.

The default value is 99, which means at least 99% of all pixels in the frame are black pixels as per the MaxPixelThreshold set. You can reduce this value to allow more noise on the black frame.

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pub fn get_min_coverage_percentage(&self) -> &Option<f32>

The minimum percentage of pixels in a frame that need to have a luminance below the max_black_pixel_value for a frame to be considered a black frame. Luminance is calculated using the BT.709 matrix.

The default value is 99, which means at least 99% of all pixels in the frame are black pixels as per the MaxPixelThreshold set. You can reduce this value to allow more noise on the black frame.

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pub fn build(self) -> BlackFrame

Consumes the builder and constructs a BlackFrame.

Trait Implementations§

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impl Clone for BlackFrameBuilder

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fn clone(&self) -> BlackFrameBuilder

Returns a duplicate of the value. Read more

1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for BlackFrameBuilder

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl Default for BlackFrameBuilder

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fn default() -> BlackFrameBuilder

Returns the “default value” for a type. Read more

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impl PartialEq for BlackFrameBuilder

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fn eq(&self, other: &BlackFrameBuilder) -> bool

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

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impl StructuralPartialEq for BlackFrameBuilder

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impl UnwindSafe for BlackFrameBuilder

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BlackFrameBuilder

Struct BlackFrameBuilder Copy item path

Implementations§

impl BlackFrameBuilder

pub fn max_pixel_threshold(self, input: f32) -> Self

pub fn set_max_pixel_threshold(self, input: Option<f32>) -> Self

pub fn get_max_pixel_threshold(&self) -> &Option<f32>

pub fn min_coverage_percentage(self, input: f32) -> Self

pub fn set_min_coverage_percentage(self, input: Option<f32>) -> Self

pub fn get_min_coverage_percentage(&self) -> &Option<f32>

pub fn build(self) -> BlackFrame

Trait Implementations§

impl Clone for BlackFrameBuilder

fn clone(&self) -> BlackFrameBuilder

fn clone_from(&mut self, source: &Self)

impl Debug for BlackFrameBuilder

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Default for BlackFrameBuilder

fn default() -> BlackFrameBuilder

impl PartialEq for BlackFrameBuilder

fn eq(&self, other: &BlackFrameBuilder) -> bool

fn ne(&self, other: &Rhs) -> bool

impl StructuralPartialEq for BlackFrameBuilder

Auto Trait Implementations§

impl Freeze for BlackFrameBuilder

impl RefUnwindSafe for BlackFrameBuilder

impl Send for BlackFrameBuilder

impl Sync for BlackFrameBuilder

impl Unpin for BlackFrameBuilder

impl UnwindSafe for BlackFrameBuilder

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Struct BlackFrameBuilder

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