[repo]
kind = "recipe"

[[stages]]

name = "noise_exterminator"
description = "Denoise with NoiseXTerminator (rc-astro nxt)"
role = "denoise" # preferred implementation of the 'denoise' step (beats graxpert's denoise)
priority = 350
tool.name = "rc-astro"

# Note: --json is injected automatically by RCAstroTool, do not add it here.
script = [
    "nxt",
    "{input[0].full_paths[0]}",
    "--output",
    "{output.full_paths[0]}",
    "--denoise",
    "{parameters.denoise}",
    "--denoise-intensity",
    "{parameters.denoise_intensity}",
    "--denoise-color",
    "{parameters.denoise_color}",
    "--denoise-high-freq",
    "{parameters.denoise_hf}",
    "--denoise-low-freq",
    "{parameters.denoise_lf}",
    "--denoise-intensity-high-freq",
    "{parameters.denoise_intensity_hf}",
    "--denoise-intensity-low-freq",
    "{parameters.denoise_intensity_lf}",
    "--denoise-color-high-freq",
    "{parameters.denoise_color_hf}",
    "--denoise-color-low-freq",
    "{parameters.denoise_color_lf}",
    "--frequency-scale",
    "{parameters.frequency_scale}",
    "--iterations",
    "{parameters.iterations}"
]

[[stages.inputs]]
kind = "job"
# By default run on the outputs of blur-exterminator.
after = "blur_exterminator"
multiplex = true # one task per input file from the prior stage

[[stages.inputs.requires]]
kind = "min_count"
value = 1          # If we don't have any valid inputs, reject this stage from consideration

[[stages.outputs]]
kind = "processed"
auto.prefix = "nx_"

[[stages.parameters]]
name = "denoise"
default = 0.90
description = "NoiseXTerminator overall denoise strength (0..1)"

[[stages.parameters]]
name = "denoise_intensity"
#default = 0.90
description = "NoiseXTerminator intensity denoise strength (0..1)"

[[stages.parameters]]
name = "denoise_color"
#default = 0.90
description = "NoiseXTerminator chrominance denoise strength (0..1)"

[[stages.parameters]]
name = "denoise_hf"
#default = 0.90
description = "NoiseXTerminator high-frequency (small scale) denoise strength (0..1)"

[[stages.parameters]]
name = "denoise_lf"
#default = 0.90
description = "NoiseXTerminator low-frequency (large scale) denoise strength (0..1)"

[[stages.parameters]]
name = "denoise_intensity_hf"
#default = 0.90
description = "NoiseXTerminator high-frequency intensity denoise strength (0..1)"

[[stages.parameters]]
name = "denoise_intensity_lf"
#default = 0.90
description = "NoiseXTerminator low-frequency intensity denoise strength (0..1)"

[[stages.parameters]]
name = "denoise_color_hf"
#default = 0.90
description = "NoiseXTerminator high-frequency color denoise strength (0..1)"

[[stages.parameters]]
name = "denoise_color_lf"
#default = 0.90
description = "NoiseXTerminator low-frequency color denoise strength (0..1)"

[[stages.parameters]]
name = "frequency_scale"
#default = 5.0
description = "Pixel scale of the low/high frequency transition band (1..100)"

[[stages.parameters]]
name = "iterations"
# default to 2 because it looks much better
default = 2
description = "Number of denoising iterations (1..5)"