rustfmt
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12
src/grain.rs
12
src/grain.rs
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@ -1,17 +1,17 @@
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use failure::Error;
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use num::Integer;
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use rand::distributions::Uniform;
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use rand::Rng;
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use rand_xorshift::XorShiftRng;
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use vapoursynth::api::API;
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use vapoursynth::core::CoreRef;
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use vapoursynth::frame::{FrameRef, FrameRefMut};
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use vapoursynth::node::Node;
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use vapoursynth::plugins::{Filter, FrameContext};
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use vapoursynth::video_info::VideoInfo;
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use rand::distributions::Uniform;
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use rand_xorshift::XorShiftRng;
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pub struct Grain<'core> {
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pub source: Node<'core>
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pub source: Node<'core>,
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}
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#[inline]
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@ -42,9 +42,9 @@ impl<'core> Filter<'core> for Grain<'core> {
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context: FrameContext,
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n: usize,
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) -> Result<FrameRef<'core>, Error> {
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let frame = self.source
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.get_frame_filter(context, n)
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.ok_or_else(|| format_err!("Could not retrieve source frame. This shouldn’t happen."))?;
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let frame = self.source.get_frame_filter(context, n).ok_or_else(|| {
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format_err!("Could not retrieve source frame. This shouldn’t happen.")
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})?;
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let var = 20i16;
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// these have to be defined explicitly for lifetime reasons
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//let mut rng = thread_rng();
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19
src/lib.rs
19
src/lib.rs
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@ -8,23 +8,23 @@ extern crate vapoursynth;
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mod grain;
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mod mask;
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use self::mask::Mask;
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use self::grain::Grain;
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use self::mask::Mask;
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use failure::Error;
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use vapoursynth::api::API;
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use vapoursynth::core::CoreRef;
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use vapoursynth::format::SampleType;
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use vapoursynth::frame::{FrameRef, FrameRefMut};
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use vapoursynth::map::Map;
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use vapoursynth::node::Node;
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use vapoursynth::plugins::{Filter, FilterArgument, FrameContext, Metadata};
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use vapoursynth::video_info::{VideoInfo, Property};
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use vapoursynth::format::SampleType;
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use vapoursynth::video_info::{Property, VideoInfo};
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pub const PLUGIN_NAME: &str = "adaptivegrain";
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pub const PLUGIN_IDENTIFIER: &str = "moe.kageru.adaptivegrain";
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struct AdaptiveGrain<'core> {
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source: Node<'core>
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source: Node<'core>,
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}
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impl<'core> Filter<'core> for AdaptiveGrain<'core> {
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@ -50,12 +50,15 @@ impl<'core> Filter<'core> for AdaptiveGrain<'core> {
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context: FrameContext,
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n: usize,
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) -> Result<FrameRef<'core>, Error> {
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let frame = self.source
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.get_frame_filter(context, n)
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.ok_or_else(|| format_err!("Could not retrieve source frame. This shouldn’t happen."))?;
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let frame = self.source.get_frame_filter(context, n).ok_or_else(|| {
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format_err!("Could not retrieve source frame. This shouldn’t happen.")
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})?;
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let average = match frame.props().get::<f64>("PlaneStatsAverage") {
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Ok(average) => (average * 256.0) as u8,
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Err(_) => panic!(PLUGIN_NAME.to_owned() + ": You need to run std.PlaneStats on the clip before calling this function.")
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Err(_) => panic!(
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PLUGIN_NAME.to_owned()
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+ ": You need to run std.PlaneStats on the clip before calling this function."
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),
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};
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let mut frame = FrameRefMut::copy_of(core, &frame);
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61
src/mask.rs
61
src/mask.rs
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@ -1,14 +1,14 @@
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use failure::Error;
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use super::PLUGIN_NAME;
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use failure::Error;
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use std::fmt::Debug;
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use vapoursynth::api::API;
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use vapoursynth::core::CoreRef;
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use vapoursynth::format::ColorFamily;
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use vapoursynth::frame::{FrameRef, FrameRefMut};
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use vapoursynth::node::Node;
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use vapoursynth::plugins::{Filter, FrameContext};
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use vapoursynth::video_info::{VideoInfo, Property};
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use vapoursynth::format::ColorFamily;
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use std::fmt::Debug;
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use vapoursynth::video_info::{Property, VideoInfo};
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use std::hint::unreachable_unchecked;
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pub struct Mask<'core> {
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pub source: Node<'core>,
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@ -17,7 +17,8 @@ pub struct Mask<'core> {
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lazy_static! {
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static ref FLOAT_RANGE: Vec<f32> = {
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[0f32; 1000].iter()
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[0f32; 1000]
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.iter()
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.enumerate()
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.map(|(i, _f)| (i as f32) * 0.001)
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.collect::<Vec<_>>()
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@ -26,14 +27,17 @@ lazy_static! {
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#[inline]
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fn get_mask_value(x: f32, y: f32, luma_scaling: f32) -> f32 {
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f32::powf(1.0 - (x * (1.124 + x * (-9.466 + x * (36.624 + x * (-45.47 + x * 18.188))))), (y * y) * luma_scaling)
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f32::powf(
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1.0 - (x * (1.124 + x * (-9.466 + x * (36.624 + x * (-45.47 + x * 18.188))))),
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(y * y) * luma_scaling,
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)
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}
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#[inline]
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fn from_property<T: Debug + Clone + Copy + Eq + PartialEq>(prop: Property<T>) -> T {
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match prop {
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Property::Constant(p) => p,
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Property::Variable => panic!()
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Property::Variable => unreachable!(),
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}
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}
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@ -41,17 +45,21 @@ impl<'core> Filter<'core> for Mask<'core> {
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fn video_info(&self, _api: API, _core: CoreRef<'core>) -> Vec<VideoInfo<'core>> {
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let info = self.source.info();
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let format = match info.format {
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Property::Variable => panic!("adaptivegrain: only constant format input supported"),
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Property::Constant(format) => format
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Property::Variable => unreachable!(),
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Property::Constant(format) => format,
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};
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vec![VideoInfo {
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format: Property::Constant(_core.register_format(
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format: Property::Constant(
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_core
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.register_format(
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ColorFamily::Gray,
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format.sample_type(),
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format.bits_per_sample(),
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0,
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0,
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).unwrap()),
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)
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.unwrap(),
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),
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flags: info.flags,
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framerate: info.framerate,
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num_frames: info.num_frames,
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@ -80,21 +88,34 @@ impl<'core> Filter<'core> for Mask<'core> {
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let new_format = from_property(self.video_info(_api, core)[0].format);
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let mut frame = unsafe {
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FrameRefMut::new_uninitialized(
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core, None, new_format, from_property(self.source.info().resolution))
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core,
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None,
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new_format,
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from_property(self.source.info().resolution),
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)
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};
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let src_frame = self.source
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.get_frame_filter(context, n)
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.ok_or_else(|| format_err!("Could not retrieve source frame. This shouldn’t happen."))?;
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let src_frame = self.source.get_frame_filter(context, n).ok_or_else(|| {
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format_err!("Could not retrieve source frame. This shouldn’t happen.")
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})?;
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let average = match src_frame.props().get::<f64>("PlaneStatsAverage") {
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Ok(average) => average as f32,
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Err(_) => panic!(format!("{}: you need to run std.PlaneStats on the clip before calling this function.", PLUGIN_NAME))
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Err(_) => panic!(format!(
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"{}: you need to run std.PlaneStats on the clip before calling this function.",
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PLUGIN_NAME
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)),
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};
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let lut: Vec<f32> = FLOAT_RANGE.iter().map(|x| get_mask_value(*x, average, self.luma_scaling)).collect();
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let lut: Vec<f32> = FLOAT_RANGE
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.iter()
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.map(|x| get_mask_value(*x, average, self.luma_scaling))
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.collect();
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for row in 0..frame.height(0) {
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for (pixel, src_pixel) in frame.plane_row_mut::<f32>(0, row).iter_mut()
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.zip(src_frame.plane_row::<f32>(0, row).iter()) {
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for (pixel, src_pixel) in frame
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.plane_row_mut::<f32>(0, row)
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.iter_mut()
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.zip(src_frame.plane_row::<f32>(0, row).iter())
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{
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*pixel = lut[(src_pixel * 1000f32) as usize];
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}
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}
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