-- Nageru theme for ultimate productions, based on the default theme.
-local transition_start = -2.0
-local transition_end = -1.0
-local transition_type = 0
-local transition_src_signal = 0
-local transition_dst_signal = 0
-
-local neutral_colors = {
- {0.5, 0.5, 0.5}, -- Input 0.
- {0.5, 0.5, 0.5}, -- Input 1.
- {0.5, 0.5, 0.5}, -- Input 2.
- {0.5, 0.5, 0.5}, -- Input 3.
- {0.5, 0.5, 0.5}, -- Input 4.
- {0.5, 0.5, 0.5} -- Input 5.
- -- Will also be filled with VIDEO_SIGNAL_NUM below.
+local state = {
+ transition_start = -2.0,
+ transition_end = -1.0,
+ transition_type = 0,
+ transition_src_signal = 0,
+ transition_dst_signal = 0,
+
+ neutral_colors = {
+ {0.5, 0.5, 0.5}, -- Input 0.
+ {0.5, 0.5, 0.5}, -- Input 1.
+ {0.5, 0.5, 0.5}, -- Input 2.
+ {0.5, 0.5, 0.5}, -- Input 3.
+ {0.5, 0.5, 0.5}, -- Input 4.
+ {0.5, 0.5, 0.5} -- Input 5.
+ -- Will also be filled with VIDEO_SIGNAL_NUM below.
+ },
+
+ overlay_transition_start = -2.0,
+ overlay_transition_end = -1.0,
+ overlay_alpha_src = 0.0,
+ overlay_alpha_dst = 1.0,
+ overlay_enabled = false,
+
+ live_signal_num = 0,
+ preview_signal_num = 1
}
-
-local overlay_transition_start = -2.0
-local overlay_transition_end = -1.0
-local overlay_alpha_src = 0.0
-local overlay_alpha_dst = 1.0
-local overlay_enabled = false
-
-local live_signal_num = 0
-local preview_signal_num = 1
local NUM_CAMERAS = 6 -- Remember to update neutral_colors, too.
-- Valid values for live_signal_num and preview_signal_num.
local STATIC_SIGNAL_NUM = NUM_CAMERAS + 1
local VIDEO_SIGNAL_NUM = NUM_CAMERAS + 2
-neutral_colors[VIDEO_SIGNAL_NUM - INPUT0_SIGNAL_NUM + 1] = {0.5, 0.5, 0.5};
+state.neutral_colors[VIDEO_SIGNAL_NUM - INPUT0_SIGNAL_NUM + 1] = {0.5, 0.5, 0.5};
-- Preview-only signal showing the current signal with the overlay.
-- Not valid for live_signal_num!
-- "transparent" is allowed.
-- Will never be called for live (0) or preview (1).
function channel_color(channel)
- if transition_type ~= NO_TRANSITION then
- if channel_involved_in(channel, transition_src_signal) or
- channel_involved_in(channel, transition_dst_signal) then
+ if state.transition_type ~= NO_TRANSITION then
+ if channel_involved_in(channel, state.transition_src_signal) or
+ channel_involved_in(channel, state.transition_dst_signal) then
return "#f00"
end
else
- if channel_involved_in(channel, live_signal_num) then
+ if channel_involved_in(channel, state.live_signal_num) then
return "#f00"
end
end
- if channel_involved_in(channel, preview_signal_num) then
+ if channel_involved_in(channel, state.preview_signal_num) then
return "#0f0"
end
return "transparent"
-- The color is in linear light (not sRGB gamma).
function set_wb(channel, red, green, blue)
if is_plain_signal(channel - 2) then
- neutral_colors[channel - 2 + 1] = { red, green, blue }
+ state.neutral_colors[channel - 2 + 1] = { red, green, blue }
end
end
function finish_transitions(t)
- if transition_type ~= NO_TRANSITION and t >= transition_end then
- live_signal_num = transition_dst_signal
- transition_type = NO_TRANSITION
+ if state.transition_type ~= NO_TRANSITION and t >= state.transition_end then
+ state.live_signal_num = state.transition_dst_signal
+ state.transition_type = NO_TRANSITION
end
-- Disable the overlay if it is no longer visible.
- if overlay_enabled and t > overlay_transition_end and overlay_alpha_dst == 0.0 then
- overlay_enabled = false
+ if state.overlay_enabled and t > state.overlay_transition_end and state.overlay_alpha_dst == 0.0 then
+ state.overlay_enabled = false
print("Turning off overlay")
end
end
function in_transition(t)
- return t >= transition_start and t <= transition_end
+ return t >= state.transition_start and t <= state.transition_end
end
function is_sbs_participating_signal(signal_num)
-- API ENTRY POINT
-- Called every frame.
function get_transitions(t)
- if preview_signal_num == OVERLAY_SIGNAL_NUM then
- if t < overlay_transition_end then
+ if state.preview_signal_num == OVERLAY_SIGNAL_NUM then
+ if t < state.overlay_transition_end then
-- Fade in progress.
return {}
end
- if overlay_enabled then
+ if state.overlay_enabled then
return {"Overlay off", "", "Fade ovl out"}
else
return {"Overlay on", "", "Fade ovl in"}
return {"Cut"}
end
- if live_signal_num == preview_signal_num then
+ if state.live_signal_num == state.preview_signal_num then
-- No transitions possible.
return {}
end
- if (is_plain_signal(live_signal_num) or live_signal_num == STATIC_SIGNAL_NUM) and
- (is_plain_signal(preview_signal_num) or preview_signal_num == STATIC_SIGNAL_NUM) then
+ if (is_plain_signal(state.live_signal_num) or state.live_signal_num == STATIC_SIGNAL_NUM) and
+ (is_plain_signal(state.preview_signal_num) or state.preview_signal_num == STATIC_SIGNAL_NUM) then
return {"Cut", "", "Fade"}
end
-- Various zooms.
- if live_signal_num == SBS_SIGNAL_NUM and is_sbs_participating_signal(preview_signal_num) then
+ if state.live_signal_num == SBS_SIGNAL_NUM and is_sbs_participating_signal(state.preview_signal_num) then
return {"Cut", "Zoom in"}
- elseif is_sbs_participating_signal(live_signal_num) and preview_signal_num == SBS_SIGNAL_NUM then
+ elseif is_sbs_participating_signal(state.live_signal_num) and state.preview_signal_num == SBS_SIGNAL_NUM then
return {"Cut", "Zoom out"}
end
end
function swap_preview_live()
- local temp = live_signal_num
- live_signal_num = preview_signal_num
- preview_signal_num = temp
+ local temp = state.live_signal_num
+ state.live_signal_num = state.preview_signal_num
+ state.preview_signal_num = temp
end
function start_transition(type_, t, duration)
- transition_start = t
- transition_end = t + duration
- transition_type = type_
- transition_src_signal = live_signal_num
- transition_dst_signal = preview_signal_num
+ state.transition_start = t
+ state.transition_end = t + duration
+ state.transition_type = type_
+ state.transition_src_signal = state.live_signal_num
+ state.transition_dst_signal = state.preview_signal_num
swap_preview_live()
end
-- API ENTRY POINT
-- Called when the user clicks a transition button.
function transition_clicked(num, t)
- if preview_signal_num == OVERLAY_SIGNAL_NUM then
+ if state.preview_signal_num == OVERLAY_SIGNAL_NUM then
if num == 0 then
-- Cut.
- overlay_transition_start = -2.0
- overlay_transition_end = -1.0
- if overlay_enabled then
- overlay_enabled = false
- overlay_alpha_src = 0.0
- overlay_alpha_dst = 0.0
+ state.overlay_transition_start = -2.0
+ state.overlay_transition_end = -1.0
+ if state.overlay_enabled then
+ state.overlay_enabled = false
+ state.overlay_alpha_src = 0.0
+ state.overlay_alpha_dst = 0.0
else
- overlay_enabled = true
- overlay_alpha_src = 1.0
- overlay_alpha_dst = 1.0
+ state.overlay_enabled = true
+ state.overlay_alpha_src = 1.0
+ state.overlay_alpha_dst = 1.0
end
elseif num == 2 then
-- Fade.
- overlay_transition_start = t
- overlay_transition_end = t + 1.0
- if overlay_enabled then
- overlay_alpha_src = 1.0
- overlay_alpha_dst = 0.0
+ state.overlay_transition_start = t
+ state.overlay_transition_end = t + 1.0
+ if state.overlay_enabled then
+ state.overlay_alpha_src = 1.0
+ state.overlay_alpha_dst = 0.0
else
- overlay_alpha_src = 0.0
- overlay_alpha_dst = 1.0
+ state.overlay_alpha_src = 0.0
+ state.overlay_alpha_dst = 1.0
end
- overlay_enabled = true
+ state.overlay_enabled = true
end
return
end
-- Cut.
if in_transition(t) then
-- Ongoing transition; finish it immediately before the cut.
- finish_transitions(transition_end)
+ finish_transitions(state.transition_end)
end
swap_preview_live()
-- Zoom.
finish_transitions(t)
- if live_signal_num == preview_signal_num then
+ if state.live_signal_num == state.preview_signal_num then
-- Nothing to do.
return
end
- if is_plain_signal(live_signal_num) and is_plain_signal(preview_signal_num) then
+ if is_plain_signal(state.live_signal_num) and is_plain_signal(state.preview_signal_num) then
-- We can't zoom between these. Just make a cut.
- io.write("Cutting from " .. live_signal_num .. " to " .. live_signal_num .. "\n")
+ io.write("Cutting from " .. state.live_signal_num .. " to " .. state.live_signal_num .. "\n")
swap_preview_live()
return
end
- if (live_signal_num == SBS_SIGNAL_NUM and is_sbs_participating_signal(preview_signal_num)) or
- (preview_signal_num == SBS_SIGNAL_NUM and is_sbs_participating_signal(live_signal_num)) then
+ if (state.live_signal_num == SBS_SIGNAL_NUM and is_sbs_participating_signal(state.preview_signal_num)) or
+ (state.preview_signal_num == SBS_SIGNAL_NUM and is_sbs_participating_signal(state.live_signal_num)) then
start_transition(ZOOM_TRANSITION, t, 1.0)
end
elseif num == 2 then
finish_transitions(t)
-- Fade.
- if (live_signal_num ~= preview_signal_num) and
- (is_plain_signal(live_signal_num) or
- live_signal_num == STATIC_SIGNAL_NUM) and
- (is_plain_signal(preview_signal_num) or
- preview_signal_num == STATIC_SIGNAL_NUM) then
+ if (state.live_signal_num ~= state.preview_signal_num) and
+ (is_plain_signal(state.live_signal_num) or
+ state.live_signal_num == STATIC_SIGNAL_NUM) and
+ (is_plain_signal(state.preview_signal_num) or
+ state.preview_signal_num == STATIC_SIGNAL_NUM) then
start_transition(FADE_TRANSITION, t, 1.0)
else
-- Fades involving SBS are ignored (we have no chain for it).
-- API ENTRY POINT
function channel_clicked(num)
- preview_signal_num = num
+ state.preview_signal_num = num
end
-function get_fade_chain(signals, t, width, height, input_resolution)
- local input0_type = get_input_type(signals, transition_src_signal)
- local input0_scale = needs_scale(signals, transition_src_signal, width, height)
- local input1_type = get_input_type(signals, transition_dst_signal)
- local input1_scale = needs_scale(signals, transition_dst_signal, width, height)
- local chain = fade_chains[input0_type][input0_scale][input1_type][input1_scale][overlay_enabled][true]
+function get_fade_chain(state, signals, t, width, height, input_resolution)
+ local input0_type = get_input_type(signals, state.transition_src_signal)
+ local input0_scale = needs_scale(signals, state.transition_src_signal, width, height)
+ local input1_type = get_input_type(signals, state.transition_dst_signal)
+ local input1_scale = needs_scale(signals, state.transition_dst_signal, width, height)
+ local chain = fade_chains[input0_type][input0_scale][input1_type][input1_scale][state.overlay_enabled][true]
local prepare = function()
if input0_type == "live" or input0_type == "livedeint" then
- chain.input0.input:connect_signal(transition_src_signal)
+ chain.input0.input:connect_signal(state.transition_src_signal)
end
if input0_type ~= "static" then
- set_neutral_color_from_signal(chain.input0.wb_effect, transition_src_signal)
+ set_neutral_color_from_signal(state, chain.input0.wb_effect, state.transition_src_signal)
end
set_scale_parameters_if_needed(chain.input0, width, height)
if input1_type == "live" or input1_type == "livedeint" then
- chain.input1.input:connect_signal(transition_dst_signal)
+ chain.input1.input:connect_signal(state.transition_dst_signal)
end
if input1_type ~= "static" then
- set_neutral_color_from_signal(chain.input1.wb_effect, transition_dst_signal)
+ set_neutral_color_from_signal(state, chain.input1.wb_effect, state.transition_dst_signal)
end
set_scale_parameters_if_needed(chain.input1, width, height)
- local tt = calc_fade_progress(t, transition_start, transition_end)
+ local tt = calc_fade_progress(t, state.transition_start, state.transition_end)
chain.mix_effect:set_float("strength_first", 1.0 - tt)
chain.mix_effect:set_float("strength_second", tt)
-- The commentator output has no overlay on it.
local extra_alpha_factor = 1.0
- if not simple_signal_has_overlay(transition_src_signal) and
- not simple_signal_has_overlay(transition_dst_signal) then
+ if not simple_signal_has_overlay(state.transition_src_signal) and
+ not simple_signal_has_overlay(state.transition_dst_signal) then
extra_alpha_factor = 0.0
- elseif not simple_signal_has_overlay(transition_src_signal) then
+ elseif not simple_signal_has_overlay(state.transition_src_signal) then
extra_alpha_factor = tt
- elseif not simple_signal_has_overlay(transition_dst_signal) then
+ elseif not simple_signal_has_overlay(state.transition_dst_signal) then
extra_alpha_factor = 1.0 - tt
end
- prepare_overlay_live(chain, t, extra_alpha_factor)
+ prepare_overlay_live(state, chain, t, extra_alpha_factor)
end
return chain.chain, prepare
end
-- SBS code (live_signal_num == SBS_SIGNAL_NUM, or in a transition to/from it).
-function get_sbs_chain(signals, t, width, height, input_resolution)
+function get_sbs_chain(state, signals)
local input0_type = get_input_type(signals, INPUT0_SIGNAL_NUM)
local input1_type = get_input_type(signals, INPUT4_SIGNAL_NUM)
- return sbs_chains[input0_type][overlay_enabled][input1_type][true]
+ return sbs_chains[input0_type][state.overlay_enabled][input1_type][true]
end
local last_rate = 0.0
end
last_resolution = input_resolution
+ -- Make a (semi-shallow) copy of the current state, so that the returned prepare function
+ -- is unaffected by state changes made by the UI before it is rendered.
+ local state_copy = {}
+ for key, value in pairs(state) do
+ state_copy[key] = value
+ end
+ for key, value in pairs(state.neutral_colors) do
+ state_copy.neutral_colors[key] = value
+ end
+
-- Save some CPU time if we're not having SBS on live.
local new_rate
- if live_signal_num == SBS_SIGNAL_NUM or
- preview_signal_num == SBS_SIGNAL_NUM or
- transition_type == ZOOM_TRANSITION then
+ if state.live_signal_num == SBS_SIGNAL_NUM or
+ state.preview_signal_num == SBS_SIGNAL_NUM or
+ state.transition_type == ZOOM_TRANSITION then
new_rate = 1.0
else
new_rate = 0.0001
if num == 0 then -- Live.
-- See if we're in a transition.
finish_transitions(t)
- if transition_type == ZOOM_TRANSITION then
+ if state.transition_type == ZOOM_TRANSITION then
-- Transition in or out of SBS.
- local chain = get_sbs_chain(signals, t, width, height, input_resolution)
+ local chain = get_sbs_chain(state_copy, signals)
local prepare = function()
- prepare_sbs_chain(chain, calc_zoom_progress(t), transition_type, transition_src_signal, transition_dst_signal, width, height, input_resolution)
- prepare_overlay_live(chain, t, 1.0)
+ prepare_sbs_chain(state_copy, chain, calc_zoom_progress(t), state_copy.transition_type, state_copy.transition_src_signal, state.transition_dst_signal, width, height, input_resolution)
+ prepare_overlay_live(state_copy, chain, t, 1.0)
end
return chain.chain, prepare
- elseif transition_type == NO_TRANSITION and live_signal_num == SBS_SIGNAL_NUM then
+ elseif state.transition_type == NO_TRANSITION and state.live_signal_num == SBS_SIGNAL_NUM then
-- Static SBS view.
- local chain = get_sbs_chain(signals, t, width, height, input_resolution)
+ local chain = get_sbs_chain(state_copy, signals)
local prepare = function()
- prepare_sbs_chain(chain, 0.0, NO_TRANSITION, 0, SBS_SIGNAL_NUM, width, height, input_resolution)
- prepare_overlay_live(chain, t, 1.0)
+ prepare_sbs_chain(state_copy, chain, 0.0, NO_TRANSITION, 0, SBS_SIGNAL_NUM, width, height, input_resolution)
+ prepare_overlay_live(state_copy, chain, t, 1.0)
end
return chain.chain, prepare
- elseif transition_type == FADE_TRANSITION then
- return get_fade_chain(signals, t, width, height, input_resolution)
- elseif is_plain_signal(live_signal_num) then
- local input_type = get_input_type(signals, live_signal_num)
- local input_scale = needs_scale(signals, live_signal_num, width, height)
- local overlay_really_enabled = overlay_enabled and simple_signal_has_overlay(live_signal_num)
+ elseif state.transition_type == FADE_TRANSITION then
+ return get_fade_chain(state_copy, signals, t, width, height, input_resolution)
+ elseif is_plain_signal(state.live_signal_num) then
+ local input_type = get_input_type(signals, state.live_signal_num)
+ local input_scale = needs_scale(signals, state.live_signal_num, width, height)
+ local overlay_really_enabled = state_copy.overlay_enabled and simple_signal_has_overlay(state.live_signal_num)
local chain = simple_chains[input_type][input_scale][overlay_really_enabled][true]
local prepare = function()
if input_type ~= "video" then
- chain.input:connect_signal(live_signal_num)
+ chain.input:connect_signal(state.live_signal_num)
end
- set_neutral_color_from_signal(chain.wb_effect, live_signal_num)
+ set_neutral_color_from_signal(state_copy, chain.wb_effect, state.live_signal_num)
set_scale_parameters_if_needed(chain, width, height)
- prepare_overlay_live(chain, t, 1.0)
+ prepare_overlay_live(state_copy, chain, t, 1.0)
end
return chain.chain, prepare
- elseif live_signal_num == STATIC_SIGNAL_NUM then -- Static picture.
+ elseif state.live_signal_num == STATIC_SIGNAL_NUM then -- Static picture.
local chain = static_chains[true]
local prepare = function()
- prepare_overlay_live(chain, t, 1.0) -- FIXME: Should this ever be here?
+ prepare_overlay_live(state_copy, chain, t, 1.0) -- FIXME: Should this ever be here?
end
return chain.chain, prepare
else
-- The M/E preview matches what we'd put live by doing a transition, as always.
local show_overlay = false
if num == 1 then -- Preview.
- if preview_signal_num == OVERLAY_SIGNAL_NUM then
- num = live_signal_num + 2
- show_overlay = not overlay_enabled
+ if state.preview_signal_num == OVERLAY_SIGNAL_NUM then
+ num = state.live_signal_num + 2
+ show_overlay = not state.overlay_enabled
- if transition_type ~= NO_TRANSITION then
- num = transition_dst_signal + 2
+ if state.transition_type ~= NO_TRANSITION then
+ num = state.transition_dst_signal + 2
end
else
- num = preview_signal_num + 2
- show_overlay = overlay_enabled and simple_signal_has_overlay(preview_signal_num)
+ num = state.preview_signal_num + 2
+ show_overlay = state.overlay_enabled and simple_signal_has_overlay(state.preview_signal_num)
end
end
if input_type ~= "video" then
chain.input:connect_signal(signal_num)
end
- set_neutral_color(chain.wb_effect, neutral_colors[signal_num + 1])
+ set_neutral_color(chain.wb_effect, state_copy.neutral_colors[signal_num + 1])
set_scale_parameters_if_needed(chain, width, height)
prepare_overlay_static(chain, t)
end
local input1_type = get_input_type(signals, INPUT4_SIGNAL_NUM)
local chain = sbs_chains[input0_type][show_overlay][input1_type][false]
local prepare = function()
- prepare_sbs_chain(chain, 0.0, NO_TRANSITION, 0, SBS_SIGNAL_NUM, width, height, input_resolution)
+ prepare_sbs_chain(state_copy, chain, 0.0, NO_TRANSITION, 0, SBS_SIGNAL_NUM, width, height, input_resolution)
end
return chain.chain, prepare
end
}
end
-function prepare_sbs_chain(chain, t, transition_type, src_signal, dst_signal, screen_width, screen_height, input_resolution)
+function prepare_sbs_chain(state, chain, t, transition_type, src_signal, dst_signal, screen_width, screen_height, input_resolution)
chain.input0.input:connect_signal(0)
chain.input1.input:connect_signal(4)
- set_neutral_color(chain.input0.wb_effect, neutral_colors[1])
- set_neutral_color(chain.input1.wb_effect, neutral_colors[5])
+ set_neutral_color(chain.input0.wb_effect, state.neutral_colors[1])
+ set_neutral_color(chain.input1.wb_effect, state.neutral_colors[5])
-- Both inputs are the same size (true side-by-side).
local pos0 = pos_from_top_left(1280 - 616 - 16, 186, 616, 347, screen_width, screen_height)
end
end
-function prepare_overlay_live(chain, t, extra_alpha_factor)
+function prepare_overlay_live(state, chain, t, extra_alpha_factor)
if chain.overlay then
- local tt = calc_fade_progress(t, overlay_transition_start, overlay_transition_end)
- local overlay_alpha = overlay_alpha_src + tt * (overlay_alpha_dst - overlay_alpha_src)
+ local tt = calc_fade_progress(t, state.overlay_transition_start, state.overlay_transition_end)
+ local overlay_alpha = state.overlay_alpha_src + tt * (state.overlay_alpha_dst - state.overlay_alpha_src)
overlay_alpha = overlay_alpha * extra_alpha_factor
- --print("overlay_alpha=" .. overlay_alpha .. " [" .. overlay_alpha_src .. "," .. overlay_alpha_dst .. "]@" .. tt)
- if t > overlay_transition_end and overlay_alpha_dst == 0.0 then
- overlay_enabled = false -- Takes effect next frame.
+ --print("overlay_alpha=" .. overlay_alpha .. " [" .. state.overlay_alpha_src .. "," .. state.overlay_alpha_dst .. "]@" .. tt)
+ if t > state.overlay_transition_end and state.overlay_alpha_dst == 0.0 then
+ state.overlay_enabled = false -- Takes effect next frame.
-- print("Turning off overlay")
end
chain.overlay.multiply_effect:set_vec4("factor", overlay_alpha, overlay_alpha, overlay_alpha, overlay_alpha)
effect:set_vec3("neutral_color", color[1], color[2], color[3])
end
-function set_neutral_color_from_signal(effect, signal)
+function set_neutral_color_from_signal(state, effect, signal)
if is_plain_signal(signal) then
- set_neutral_color(effect, neutral_colors[signal - INPUT0_SIGNAL_NUM + 1])
+ set_neutral_color(effect, state.neutral_colors[signal - INPUT0_SIGNAL_NUM + 1])
end
end
function calc_zoom_progress(t)
- if t < transition_start then
+ if t < state.transition_start then
return 0.0
- elseif t > transition_end then
+ elseif t > state.transition_end then
return 1.0
else
- local tt = (t - transition_start) / (transition_end - transition_start)
+ local tt = (t - state.transition_start) / (state.transition_end - state.transition_start)
-- Smooth it a bit.
return math.sin(tt * 3.14159265358 * 0.5)
end
projects / ultimatescore / commitdiff