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adaptivegrain
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rustfmt

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master
kageru 4 years ago
parent b4eb5d8399
commit 9236534dab
Signed by: kageru
GPG Key ID: 8282A2BEA4ADA3D2
3 changed files with 63 additions and 39 deletions
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12
src/grain.rs
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@ -1,17 +1,17 @@
use failure::Error;
use num::Integer;
use rand::distributions::Uniform;
use rand::Rng;
use rand_xorshift::XorShiftRng;
use vapoursynth::api::API;
use vapoursynth::core::CoreRef;
use vapoursynth::frame::{FrameRef, FrameRefMut};
use vapoursynth::node::Node;
use vapoursynth::plugins::{Filter, FrameContext};
use vapoursynth::video_info::VideoInfo;
use rand::distributions::Uniform;
use rand_xorshift::XorShiftRng;
pub struct Grain<'core> {
pub source: Node<'core>
pub source: Node<'core>,
}
#[inline]
@ -42,9 +42,9 @@ impl<'core> Filter<'core> for Grain<'core> {
context: FrameContext,
n: usize,
) -> Result<FrameRef<'core>, Error> {
let frame = self.source
.get_frame_filter(context, n)
.ok_or_else(|| format_err!("Could not retrieve source frame. This shouldn’t happen."))?;
let frame = self.source.get_frame_filter(context, n).ok_or_else(|| {
format_err!("Could not retrieve source frame. This shouldn’t happen.")
})?;
let var = 20i16;
// these have to be defined explicitly for lifetime reasons
//let mut rng = thread_rng();

19
src/lib.rs
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@ -8,23 +8,23 @@ extern crate vapoursynth;
mod grain;
mod mask;
use self::mask::Mask;
use self::grain::Grain;
use self::mask::Mask;
use failure::Error;
use vapoursynth::api::API;
use vapoursynth::core::CoreRef;
use vapoursynth::format::SampleType;
use vapoursynth::frame::{FrameRef, FrameRefMut};
use vapoursynth::map::Map;
use vapoursynth::node::Node;
use vapoursynth::plugins::{Filter, FilterArgument, FrameContext, Metadata};
use vapoursynth::video_info::{VideoInfo, Property};
use vapoursynth::format::SampleType;
use vapoursynth::video_info::{Property, VideoInfo};
pub const PLUGIN_NAME: &str = "adaptivegrain";
pub const PLUGIN_IDENTIFIER: &str = "moe.kageru.adaptivegrain";
struct AdaptiveGrain<'core> {
source: Node<'core>
source: Node<'core>,
}
impl<'core> Filter<'core> for AdaptiveGrain<'core> {
@ -50,12 +50,15 @@ impl<'core> Filter<'core> for AdaptiveGrain<'core> {
context: FrameContext,
n: usize,
) -> Result<FrameRef<'core>, Error> {
let frame = self.source
.get_frame_filter(context, n)
.ok_or_else(|| format_err!("Could not retrieve source frame. This shouldn’t happen."))?;
let frame = self.source.get_frame_filter(context, n).ok_or_else(|| {
format_err!("Could not retrieve source frame. This shouldn’t happen.")
})?;
let average = match frame.props().get::<f64>("PlaneStatsAverage") {
Ok(average) => (average * 256.0) as u8,
Err(_) => panic!(PLUGIN_NAME.to_owned() + ": You need to run std.PlaneStats on the clip before calling this function.")
Err(_) => panic!(
PLUGIN_NAME.to_owned()
+ ": You need to run std.PlaneStats on the clip before calling this function."
),
};
let mut frame = FrameRefMut::copy_of(core, &frame);

71
src/mask.rs
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@ -1,14 +1,14 @@
use failure::Error;
use super::PLUGIN_NAME;
use failure::Error;
use std::fmt::Debug;
use vapoursynth::api::API;
use vapoursynth::core::CoreRef;
use vapoursynth::format::ColorFamily;
use vapoursynth::frame::{FrameRef, FrameRefMut};
use vapoursynth::node::Node;
use vapoursynth::plugins::{Filter, FrameContext};
use vapoursynth::video_info::{VideoInfo, Property};
use vapoursynth::format::ColorFamily;
use std::fmt::Debug;
use vapoursynth::video_info::{Property, VideoInfo};
use std::hint::unreachable_unchecked;
pub struct Mask<'core> {
pub source: Node<'core>,
@ -17,7 +17,8 @@ pub struct Mask<'core> {
lazy_static! {
static ref FLOAT_RANGE: Vec<f32> = {
[0f32; 1000].iter()
[0f32; 1000]
.iter()
.enumerate()
.map(|(i, _f)| (i as f32) * 0.001)
.collect::<Vec<_>>()
@ -26,14 +27,17 @@ lazy_static! {
#[inline]
fn get_mask_value(x: f32, y: f32, luma_scaling: f32) -> f32 {
f32::powf(1.0 - (x * (1.124 + x * (-9.466 + x * (36.624 + x * (-45.47 + x * 18.188))))), (y * y) * luma_scaling)
f32::powf(
1.0 - (x * (1.124 + x * (-9.466 + x * (36.624 + x * (-45.47 + x * 18.188))))),
(y * y) * luma_scaling,
)
}
#[inline]
fn from_property<T: Debug + Clone + Copy + Eq + PartialEq>(prop: Property<T>) -> T {
match prop {
Property::Constant(p) => p,
Property::Variable => panic!()
Property::Variable => unreachable!(),
}
}
@ -41,17 +45,21 @@ impl<'core> Filter<'core> for Mask<'core> {
fn video_info(&self, _api: API, _core: CoreRef<'core>) -> Vec<VideoInfo<'core>> {
let info = self.source.info();
let format = match info.format {
Property::Variable => panic!("adaptivegrain: only constant format input supported"),
Property::Constant(format) => format
Property::Variable => unreachable!(),
Property::Constant(format) => format,
};
vec![VideoInfo {
format: Property::Constant(_core.register_format(
ColorFamily::Gray,
format.sample_type(),
format.bits_per_sample(),
0,
0,
).unwrap()),
format: Property::Constant(
_core
.register_format(
ColorFamily::Gray,
format.sample_type(),
format.bits_per_sample(),
0,
0,
)
.unwrap(),
),
flags: info.flags,
framerate: info.framerate,
num_frames: info.num_frames,
@ -80,21 +88,34 @@ impl<'core> Filter<'core> for Mask<'core> {
let new_format = from_property(self.video_info(_api, core)[0].format);
let mut frame = unsafe {
FrameRefMut::new_uninitialized(
core, None, new_format, from_property(self.source.info().resolution))
core,
None,
new_format,
from_property(self.source.info().resolution),
)
};
let src_frame = self.source
.get_frame_filter(context, n)
.ok_or_else(|| format_err!("Could not retrieve source frame. This shouldn’t happen."))?;
let src_frame = self.source.get_frame_filter(context, n).ok_or_else(|| {
format_err!("Could not retrieve source frame. This shouldn’t happen.")
})?;
let average = match src_frame.props().get::<f64>("PlaneStatsAverage") {
Ok(average) => average as f32,
Err(_) => panic!(format!("{}: you need to run std.PlaneStats on the clip before calling this function.", PLUGIN_NAME))
Err(_) => panic!(format!(
"{}: you need to run std.PlaneStats on the clip before calling this function.",
PLUGIN_NAME
)),
};
let lut: Vec<f32> = FLOAT_RANGE.iter().map(|x| get_mask_value(*x, average, self.luma_scaling)).collect();
let lut: Vec<f32> = FLOAT_RANGE
.iter()
.map(|x| get_mask_value(*x, average, self.luma_scaling))
.collect();
for row in 0..frame.height(0) {
for (pixel, src_pixel) in frame.plane_row_mut::<f32>(0, row).iter_mut()
.zip(src_frame.plane_row::<f32>(0, row).iter()) {
for (pixel, src_pixel) in frame
.plane_row_mut::<f32>(0, row)
.iter_mut()
.zip(src_frame.plane_row::<f32>(0, row).iter())
{
*pixel = lut[(src_pixel * 1000f32) as usize];
}
}

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