local zoom_src = 0.0
local zoom_dst = 1.0
local zoom_poi = 0 -- which input to zoom in on
-local fade_src = 0.0
-local fade_dst = 1.0
+local fade_src_signal = 0
+local fade_dst_signal = 0
local input0_neutral_color = {0.5, 0.5, 0.5}
local input1_neutral_color = {0.5, 0.5, 0.5}
end
-- If live is fade but de-facto single, make it so.
- if live_signal_num == FADE_SIGNAL_NUM and t >= transition_end and fade_dst == 1.0 then
- live_signal_num = INPUT0_SIGNAL_NUM
- end
- if live_signal_num == FADE_SIGNAL_NUM and t >= transition_end and fade_dst == 0.0 then
- live_signal_num = INPUT1_SIGNAL_NUM
+ if live_signal_num == FADE_SIGNAL_NUM and t >= transition_end then
+ live_signal_num = fade_dst_signal
end
end
finish_transitions(t)
-- Fade.
- if live_signal_num == INPUT0_SIGNAL_NUM and preview_signal_num == INPUT1_SIGNAL_NUM then
- transition_start = t
- transition_end = t + 1.0
- fade_src = 1.0
- fade_dst = 0.0
- preview_signal_num = 0
- live_signal_num = FADE_SIGNAL_NUM
- elseif live_signal_num == INPUT1_SIGNAL_NUM and preview_signal_num == INPUT0_SIGNAL_NUM then
+ if (live_signal_num == INPUT0_SIGNAL_NUM and preview_signal_num == INPUT1_SIGNAL_NUM) or
+ (live_signal_num == INPUT1_SIGNAL_NUM and preview_signal_num == INPUT0_SIGNAL_NUM) then
transition_start = t
transition_end = t + 1.0
- fade_src = 0.0
- fade_dst = 1.0
- preview_signal_num = 1
+ fade_src_signal = live_signal_num
+ fade_dst_signal = preview_signal_num
+ preview_signal_num = live_signal_num
live_signal_num = FADE_SIGNAL_NUM
else
-- Fades involving SBS are ignored (we have no chain for it).
-- if and only if num==0.
function get_chain(num, t, width, height)
if num == 0 then -- Live.
- if live_signal_num == INPUT0_SIGNAL_NUM then -- Plain input.
+ if live_signal_num == INPUT0_SIGNAL_NUM or live_signal_num == INPUT1_SIGNAL_NUM then -- Plain input.
prepare = function()
- simple_chain_hq_input:connect_signal(INPUT0_SIGNAL_NUM)
- set_neutral_color(simple_chain_hq_wb_effect, input0_neutral_color)
- end
- return simple_chain_hq, prepare
- elseif live_signal_num == INPUT1_SIGNAL_NUM then -- Plain input.
- prepare = function()
- simple_chain_hq_input:connect_signal(INPUT1_SIGNAL_NUM)
- set_neutral_color(simple_chain_hq_wb_effect, input1_neutral_color)
+ simple_chain_hq_input:connect_signal(live_signal_num)
+ set_neutral_color_from_signal(simple_chain_hq_wb_effect, live_signal_num)
end
return simple_chain_hq, prepare
elseif live_signal_num == FADE_SIGNAL_NUM then -- Fade.
prepare = function()
- fade_chain_hq_input0:connect_signal(0)
- set_neutral_color(fade_chain_hq_wb0_effect, input0_neutral_color)
- fade_chain_hq_input1:connect_signal(1)
- set_neutral_color(fade_chain_hq_wb1_effect, input1_neutral_color)
+ fade_chain_hq_input0:connect_signal(fade_src_signal)
+ set_neutral_color_from_signal(fade_chain_hq_wb0_effect, fade_src_signal)
+ fade_chain_hq_input1:connect_signal(fade_dst_signal)
+ set_neutral_color_from_signal(fade_chain_hq_wb1_effect, fade_dst_signal)
local tt = (t - transition_start) / (transition_end - transition_start)
if tt < 0.0 then
tt = 0.0
tt = 1.0
end
- tt = fade_src + tt * (fade_dst - fade_src)
-
-- Make the fade look maybe a tad more natural, by pumping it
-- through a sigmoid function.
tt = 10.0 * tt - 5.0
tt = 1.0 / (1.0 + math.exp(-tt))
- fade_chain_mix_effect:set_float("strength_first", tt)
- fade_chain_mix_effect:set_float("strength_second", 1.0 - tt)
+ fade_chain_mix_effect:set_float("strength_first", 1.0 - tt)
+ fade_chain_mix_effect:set_float("strength_second", tt)
end
return fade_chain_hq, prepare
end
-- Interpolate between the fullscreen and side-by-side views.
local scale0, tx0, tx0
- if zoom_poi == 0 then
+ if zoom_poi == INPUT0_SIGNAL_NUM then
local new_left0 = lerp(left0, 0, t)
local new_right0 = lerp(right0, screen_width, t)
local new_top0 = lerp(top0, 0, t)
function set_neutral_color(effect, color)
effect:set_vec3("neutral_color", color[1], color[2], color[3])
end
+
+function set_neutral_color_from_signal(effect, signal)
+ if signal == INPUT0_SIGNAL_NUM then
+ set_neutral_color(effect, input0_neutral_color)
+ else
+ set_neutral_color(effect, input1_neutral_color)
+ end
+end