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}
+local neutral_colors = {
+ {0.5, 0.5, 0.5}, -- Input 0.
+ {0.5, 0.5, 0.5} -- Input 1.
+}
local live_signal_num = 0
local preview_signal_num = 1
-- Called at the start of the program, and then each frame for live
-- channels in case they change resolution.
function channel_name(channel)
- if channel == 2 then
- return "Input 1 (" .. get_channel_resolution(0) .. ")"
- elseif channel == 3 then
- return "Input 2 (" .. get_channel_resolution(1) .. ")"
- elseif channel == 4 then
+ local signal_num = channel - 2
+ if is_plain_signal(signal_num) then
+ return "Input " .. (signal_num + 1) .. " (" .. get_channel_resolution(signal_num) .. ")"
+ elseif signal_num == SBS_SIGNAL_NUM then
return "Side-by-side"
- elseif channel == 5 then
+ elseif signal_num == STATIC_SIGNAL_NUM then
return "Static picture"
end
end
-- Returns if a given channel supports setting white balance (starting from 2).
-- Called only once for each channel, at the start of the program.
function supports_set_wb(channel)
- return channel == 2 or channel == 3
+ return is_plain_signal(channel - 2)
end
-- API ENTRY POINT
-- Gets called with a new gray point when the white balance is changing.
-- The color is in linear light (not sRGB gamma).
function set_wb(channel, red, green, blue)
- if channel == 2 then
- input0_neutral_color = { red, green, blue }
- elseif channel == 3 then
- input1_neutral_color = { red, green, blue }
+ if is_plain_signal(channel - 2) then
+ neutral_colors[channel - 2 + 1] = { red, green, blue }
end
end
prepare = function()
chain.input:connect_signal(INPUT0_SIGNAL_NUM)
set_scale_parameters_if_needed(chain, width, height)
- set_neutral_color(chain.wb_effect, input0_neutral_color)
+ set_neutral_color(chain.wb_effect, neutral_colors[1])
end
return chain.chain, prepare
end
end
-- Individual preview inputs.
- if num == INPUT0_SIGNAL_NUM + 2 then
- local input_type = get_input_type(signals, INPUT0_SIGNAL_NUM)
- local input_scale = needs_scale(signals, INPUT0_SIGNAL_NUM, width, height)
- local chain = simple_chains[input_type][input_scale][false]
- prepare = function()
- chain.input:connect_signal(INPUT0_SIGNAL_NUM)
- set_scale_parameters_if_needed(chain, width, height)
- set_neutral_color(chain.wb_effect, input0_neutral_color)
- end
- return chain.chain, prepare
- end
- if num == INPUT1_SIGNAL_NUM + 2 then
- local input_type = get_input_type(signals, INPUT1_SIGNAL_NUM)
- local input_scale = needs_scale(signals, INPUT1_SIGNAL_NUM, width, height)
+ if is_plain_signal(num - 2) then
+ local signal_num = num - 2
+ local input_type = get_input_type(signals, signal_num)
+ local input_scale = needs_scale(signals, signal_num, width, height)
local chain = simple_chains[input_type][input_scale][false]
prepare = function()
- chain.input:connect_signal(INPUT1_SIGNAL_NUM)
+ chain.input:connect_signal(signal_num)
set_scale_parameters_if_needed(chain, width, height)
- set_neutral_color(chain.wb_effect, input1_neutral_color)
+ set_neutral_color(chain.wb_effect, neutral_colors[signal_num + 1])
end
return chain.chain, prepare
end
function prepare_sbs_chain(chain, t, screen_width, screen_height, input_resolution)
chain.input0.input:connect_signal(0)
chain.input1.input:connect_signal(1)
- set_neutral_color(chain.input0.wb_effect, input0_neutral_color)
- set_neutral_color(chain.input1.wb_effect, input1_neutral_color)
+ set_neutral_color(chain.input0.wb_effect, neutral_colors[1])
+ set_neutral_color(chain.input1.wb_effect, neutral_colors[2])
-- First input is positioned (16,48) from top-left.
local width0 = round(848 * screen_width/1280.0)
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)
+ if is_plain_signal(signal) then
+ set_neutral_color(effect, neutral_colors[signal - INPUT0_SIGNAL_NUM + 1])
end
end