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Added gainmap downsampling.

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This commit is contained in:
Krzysztof Kotowicz
2024-09-26 10:45:03 +02:00
parent a3404b64de
commit e4da226661
1 changed files with 23 additions and 2 deletions
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25
contrib/ultrahdr.lua
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@@ -77,7 +77,8 @@ local GUI = {
metadata_box = {},
edit_executables_button = {},
executable_path_widget = {},
quality_widget = {}
quality_widget = {},
gainmap_downsampling_widget = {},
},
options = {},
run = {}
@@ -145,6 +146,7 @@ local function save_preferences()
dt.preferences.write(namespace, "hdr_capacity_max", "float", GUI.optionwidgets.hdr_capacity_max.value)
end
dt.preferences.write(namespace, "quality", "integer", GUI.optionwidgets.quality_widget.value)
dt.preferences.write(namespace, "gainmap_downsampling", "integer", GUI.optionwidgets.gainmap_downsampling_widget.value)
end
local function default_to(value, default)
@@ -177,6 +179,7 @@ local function load_preferences()
GUI.optionwidgets.hdr_capacity_max.value = default_to(dt.preferences.read(namespace, "hdr_capacity_max", "float"),
6.0)
GUI.optionwidgets.quality_widget.value = default_to(dt.preferences.read(namespace, "quality", "integer"), 95)
GUI.optionwidgets.gainmap_downsampling_widget.value = default_to(dt.preferences.read(namespace, "gainmap_downsampling", "integer"), 0)
end
-- Changes the combobox selection blindly until a paired config value is set.
@@ -221,6 +224,7 @@ local function assert_settings_correct(encoding_variant)
hdr_capacity_max = GUI.optionwidgets.hdr_capacity_max.value
},
quality = GUI.optionwidgets.quality_widget.value,
downsample = 2^GUI.optionwidgets.gainmap_downsampling_widget.value,
tmpdir = dt.configuration.tmp_dir,
skip_cleanup = false -- keep temporary files around, for debugging.
}
@@ -531,7 +535,7 @@ local function generate_ultrahdr(encoding_variant, images, settings, step, total
cmd = settings.bin.ultrahdr_app .. " -m 0 -y " .. df.sanitize_filename(sdr_raw) .. " -p " ..
df.sanitize_filename(hdr_raw) ..
string.format(" -a 0 -b 3 -c 1 -C 1 -t 2 -M 0 -s 1 -q %d -Q %d -D 1 ", settings.quality,
settings.quality) .. " -w " .. tostring(sdr_w - sdr_w % 2) .. " -h " .. tostring(sdr_h - sdr_h % 2) ..
settings.quality) .. string.format(" -s %d ", settings.downsample) .. " -w " .. tostring(sdr_w - sdr_w % 2) .. " -h " .. tostring(sdr_h - sdr_h % 2) ..
" -z " .. df.sanitize_filename(uhdr)
if not execute_cmd(cmd, string.format(_("Error merging %s"), uhdr)) then
return cleanup(), errors
@@ -742,8 +746,10 @@ You can force the image into a specific stack slot by attaching "hdr" / "gainmap
GUI.run.sensitive = self.selected and self.selected > 0
if self.selected == ENCODING_VARIANT_SDR_AND_GAINMAP or self.selected == ENCODING_VARIANT_SDR_AUTO_GAINMAP then
GUI.optionwidgets.metadata_box.visible = true
GUI.optionwidgets.gainmap_downsampling_widget.visible = false
else
GUI.optionwidgets.metadata_box.visible = false
GUI.optionwidgets.gainmap_downsampling_widget.visible = true
end
end,
_("SDR + gain map"), -- ENCODING_VARIANT_SDR_AND_GAINMAP
@@ -781,11 +787,26 @@ GUI.optionwidgets.quality_widget = dt.new_widget("slider") {
end
}
GUI.optionwidgets.gainmap_downsampling_widget = dt.new_widget("slider") {
label = _('gain map downsampling steps'),
tooltip = _('Exponent (2^x) of the gain map downsampling factor.\nDownsampling reduces the file size, at the expense of quality.\n\n0 = don\'t downsample the gain map, 7 = maximum downsampling (128x)'),
hard_min = 0,
hard_max = 7,
soft_min = 0,
soft_max = 7,
step = 1,
digits = 0,
reset_callback = function(self)
self.value = 0
end
}
GUI.optionwidgets.encoding_settings_box = dt.new_widget("box") {
orientation = "vertical",
GUI.optionwidgets.selection_type_combo,
GUI.optionwidgets.encoding_variant_combo,
GUI.optionwidgets.quality_widget,
GUI.optionwidgets.gainmap_downsampling_widget,
GUI.optionwidgets.metadata_box
}