-- Nageru theme for TFK mini-tournament 2017, 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.
+local futatabi_server = "http://gruessi.trd.sesse.net:9096"
+
+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,
+
+ stinger_in_progress = false,
+ stinger_frame = 0,
+ stinger_src_signal = 0,
+ stinger_dst_signal = 0,
+ stinger_save_overlay = 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 INPUT0_SIGNAL_NUM = 0
local INPUT1_SIGNAL_NUM = 1
local INPUT2_SIGNAL_NUM = 2
-local STATIC_SIGNAL_NUM = 3
+local INPUT3_SIGNAL_NUM = 3
+local INPUT4_SIGNAL_NUM = 4
+local INPUT5_SIGNAL_NUM = 5
+local SBS_SIGNAL_NUM = NUM_CAMERAS
+local STATIC_SIGNAL_NUM = NUM_CAMERAS + 1
+local VIDEO_SIGNAL_NUM = NUM_CAMERAS + 2
+
+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!
-local OVERLAY_SIGNAL_NUM = 4
+local OVERLAY_SIGNAL_NUM = NUM_CAMERAS + 3
-- Valid values for transition_type. (Cuts are done directly, so they need no entry.)
local NO_TRANSITION = 0
+local ZOOM_TRANSITION = 1
local FADE_TRANSITION = 2
-- Last width/height/frame rate for each channel, if we have it.
-- frame and not per field, since we deinterlace.
local last_resolution = {}
-local caspar_input = VideoInput.new("unix:///tmp/caspar.sock")
-caspar_input:change_rate(2.0)
+local cef_path = Nageru.THEME_PATH:match("(.*)/nageru/")
+local cef_input = HTMLInput.new("file://" .. cef_path .. "/score.html")
+cef_input:execute_javascript_async("play()")
+
+local bg_video = VideoInput.new(cef_path .. "/flow-720.mp4", Nageru.VIDEO_FORMAT_YCBCR)
+-- local iptv_video = VideoInput.new("http://10.34.129.69:9060/1/v.flv", Nageru.VIDEO_FORMAT_YCBCR)
+local iptv_video = VideoInput.new(futatabi_server, Nageru.VIDEO_FORMAT_YCBCR)
+
+function reload_cef()
+ cef_input:reload()
+ cef_input:execute_javascript_async("play()")
+end
+
+function disconnect_iptv()
+ iptv_video:disconnect()
+end
-- Utility function to help creating many similar chains that can differ
-- in a free set of chosen parameters.
-- An overlay with variable alpha.
function make_overlay(chain, base)
- local image = chain:add_video_input(caspar_input, false)
+ local image = chain:add_html_input(cef_input)
local multiply_effect = chain:add_effect(MultiplyEffect.new())
local overlay_effect = chain:add_effect(OverlayEffect.new(), base, multiply_effect)
return {
end
end
-function make_fade_input(chain, signal, live, deint, scale)
+function make_fade_input(chain, signal, live, deint, scale, video)
local input, wb_effect, resample_effect, last
- if live then
+ if video then
+ input = chain:add_video_input(iptv_video, false)
+ last = input
+ elseif live then
input = chain:add_live_input(false, deint)
input:connect_signal(signal)
last = input
else
- input = chain:add_effect(ImageInput.new("tfk_pause.png"))
+ input = chain:add_effect(ImageInput.new(cef_path .. "/nageru/dsn-bg.png"))
last = input
end
-- A chain to fade between two inputs, of which either can be a picture
-- or a live input. In practice only used live, but we still support the
-- hq parameter.
-function make_fade_chain(input0_live, input0_deint, input0_scale, input1_live, input1_deint, input1_scale, has_overlay, hq)
+function make_fade_chain(input0_live, input0_deint, input0_scale, input0_video, input1_live, input1_deint, input1_scale, input1_video, has_overlay, hq)
local chain = EffectChain.new(16, 9)
- local input0 = make_fade_input(chain, INPUT0_SIGNAL_NUM, input0_live, input0_deint, input0_scale)
- local input1 = make_fade_input(chain, INPUT1_SIGNAL_NUM, input1_live, input1_deint, input1_scale)
+ local input0 = make_fade_input(chain, INPUT0_SIGNAL_NUM, input0_live, input0_deint, input0_scale, input0_video)
+ local input1 = make_fade_input(chain, INPUT1_SIGNAL_NUM, input1_live, input1_deint, input1_scale, input1_video)
+
+ -- If fading between two live inputs, the overlay is put on top.
+ -- If fading between the static picture and a live input,
+ -- the overlay is put on the live input.
+ local overlay = nil
+ if input0_live and not input1_live then
+ overlay = possibly_make_overlay(has_overlay, chain, input0.last)
+ if overlay then
+ input0.last = overlay.overlay_effect
+ end
+ elseif input1_live and not input0_live then
+ overlay = possibly_make_overlay(has_overlay, chain, input1.last)
+ if overlay then
+ input1.last = overlay.overlay_effect
+ end
+ end
local mix_effect = chain:add_effect(MixEffect.new(), input0.last, input1.last)
- local overlay = possibly_make_overlay(has_overlay, chain, mix_effect)
+ if input0_live and input1_live then
+ overlay = possibly_make_overlay(has_overlay, chain, mix_effect)
+ end
chain:finalize(hq)
-- Chains to fade between two inputs, in various configurations.
local fade_chains = make_cartesian_product({
- {"static", "live", "livedeint"}, -- input0_type
+ {"video", "static", "live", "livedeint"}, -- input0_type
{true, false}, -- input0_scale
- {"static", "live", "livedeint"}, -- input1_type
+ {"video", "static", "live", "livedeint"}, -- input1_type
{true, false}, -- input1_scale
{true, false}, -- has_overlay
{true} -- hq
local input1_live = (input1_type ~= "static")
local input0_deint = (input0_type == "livedeint")
local input1_deint = (input1_type == "livedeint")
- return make_fade_chain(input0_live, input0_deint, input0_scale, input1_live, input1_deint, input1_scale, has_overlay, hq)
+ local input0_video = (input0_type == "video")
+ local input1_video = (input1_type == "video")
+ return make_fade_chain(input0_live, input0_deint, input0_scale, input0_video, input1_live, input1_deint, input1_scale, input1_video, has_overlay, hq)
end)
--- A chain to show a single input on screen.
-function make_simple_chain(input_deint, input_scale, has_overlay, hq)
+function make_sbs_input(chain, signal, deint, has_overlay, hq)
+ local input = chain:add_live_input(not deint, deint) -- Override bounce only if not deinterlacing.
+ input:connect_signal(signal)
+
+ local wb_effect = chain:add_effect(WhiteBalanceEffect.new()) -- Needs to be before the overlay.
+
+ local overlay = nil
+ if has_overlay then
+ overlay = make_overlay(chain, wb_effect)
+ end
+
+ local resample_effect = nil
+ local resize_effect = nil
+ if (hq) then
+ resample_effect = chain:add_effect(ResampleEffect.new())
+ else
+ resize_effect = chain:add_effect(ResizeEffect.new())
+ end
+
+ local padding_effect = chain:add_effect(IntegralPaddingEffect.new())
+
+ return {
+ input = input,
+ wb_effect = wb_effect,
+ resample_effect = resample_effect,
+ resize_effect = resize_effect,
+ padding_effect = padding_effect,
+ overlay = overlay
+ }
+end
+
+-- Side-by-side chains.
+function make_sbs_chain(input0_type, input0_overlay, input1_type, hq)
local chain = EffectChain.new(16, 9)
- local input = chain:add_live_input(false, input_deint)
- input:connect_signal(0) -- First input card. Can be changed whenever you want.
+ local bg = chain:add_video_input(bg_video, false)
+
+ local input0 = make_sbs_input(chain, INPUT0_SIGNAL_NUM, input0_type == "livedeint", input0_overlay, hq)
+ local input1 = make_sbs_input(chain, INPUT4_SIGNAL_NUM, input1_type == "livedeint", false, hq)
+
+ input0.padding_effect:set_vec4("border_color", 0.0, 0.0, 0.0, 0.0)
+ input1.padding_effect:set_vec4("border_color", 0.0, 0.0, 0.0, 0.0)
+
+ local i0 = chain:add_effect(OverlayEffect.new(), bg, input0.padding_effect)
+ chain:add_effect(OverlayEffect.new(), i0, input1.padding_effect)
+ chain:finalize(hq)
+
+ return {
+ chain = chain,
+ input0 = input0,
+ input1 = input1,
+ overlay = input0.overlay -- May be nil.
+ }
+end
+
+
+-- Make all possible combinations of side-by-side chains.
+local sbs_chains = make_cartesian_product({
+ {"live", "livedeint"}, -- input0_type
+ {true, false}, -- input0_overlay
+ {"live", "livedeint"}, -- input1_type
+ {true, false} -- hq
+}, function(input0_type, input0_overlay, input1_type, hq)
+ return make_sbs_chain(input0_type, input0_overlay, input1_type, hq)
+end)
+
+function make_simple_chain_no_finalize(input_deint, input_video, input_scale, has_overlay, hq)
+ local chain = EffectChain.new(16, 9)
+
+ local input
+ if input_video then
+ input = chain:add_video_input(iptv_video, false)
+ else
+ input = chain:add_live_input(false, input_deint)
+ input:connect_signal(0) -- First input card. Can be changed whenever you want.
+ end
local resample_effect, resize_effect
- if scale then
+ if input_scale then
if hq then
resample_effect = chain:add_effect(ResampleEffect.new())
else
local wb_effect = chain:add_effect(WhiteBalanceEffect.new())
local overlay = possibly_make_overlay(has_overlay, chain, wb_effect)
- chain:finalize(hq)
-
return {
chain = chain,
input = input,
}
end
+-- A chain to show a single input on screen.
+function make_simple_chain(input_deint, input_video, input_scale, has_overlay, hq)
+ local chain = make_simple_chain_no_finalize(input_deint, input_video, input_scale, has_overlay, hq)
+ chain.chain:finalize(hq)
+ return chain
+end
+
-- Make all possible combinations of single-input chains.
local simple_chains = make_cartesian_product({
- {"live", "livedeint"}, -- input_type
+ {"video", "live", "livedeint"}, -- input_type
{true, false}, -- input_scale
{true, false}, -- has_overlay
{true, false} -- hq
}, function(input_type, input_scale, has_overlay, hq)
local input_deint = (input_type == "livedeint")
- return make_simple_chain(input_deint, input_scale, has_overlay, hq)
+ local input_video = (input_type == "video")
+ return make_simple_chain(input_deint, input_video, input_scale, has_overlay, hq)
+end)
+
+-- A chain to show a single input on screen, with a stinger on top.
+function make_stinger_chain(input_deint, input_video, input_scale, has_overlay, stinger_frame, hq)
+ local chain = make_simple_chain_no_finalize(input_deint, input_video, input_scale, has_overlay, hq)
+ local filename = cef_path .. "/stinger/blur" .. string.rep("0", 3 - string.len(tostring(stinger_frame))) .. stinger_frame .. ".png"
+
+ local last
+ if has_overlay then
+ last = chain.overlay.overlay_effect
+ else
+ last = chain.wb_effect
+ end
+ local input = chain.chain:add_effect(ImageInput.new(filename))
+ chain.chain:add_effect(OverlayEffect.new(), last, input)
+ chain.chain:finalize(hq)
+ return chain
+end
+
+-- Single-input chains with various stinger frames on top.
+local stinger_chains = make_cartesian_product({
+ {"video", "live", "livedeint"}, -- input_type
+ {true, false}, -- input_scale
+ {true, false}, -- has_overlay
+ {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24}, -- stinger_frame
+ {true, false} -- hq
+}, function(input_type, input_scale, has_overlay, stinger_frame, hq)
+ local input_deint = (input_type == "livedeint")
+ local input_video = (input_type == "video")
+ return make_stinger_chain(input_deint, input_video, input_scale, has_overlay, stinger_frame, hq)
end)
--- A chain to show a single static picture on screen.
+-- A chain to show a single static picture on screen. Never with HTML overlay.
local static_chains = make_cartesian_product({
- {true, false}, -- has_overlay
{true, false} -- hq
-}, function(has_overlay, hq)
+}, function(hq)
local chain = EffectChain.new(16, 9)
- local chain_input = chain:add_effect(ImageInput.new("tfk_pause.png"))
- local overlay = possibly_make_overlay(has_overlay, chain, chain_input)
+ local chain_input = chain:add_effect(ImageInput.new(cef_path .. "/nageru/dsn-bg.png"))
chain:finalize(hq)
return {
- chain = chain,
- overlay = overlay
+ chain = chain
}
end)
-- A chain to show the overlay and nothing more. LQ only,
-- since it is not a valid live signal.
local overlay_chain_lq = EffectChain.new(16, 9)
-local overlay_chain_lq_input = overlay_chain_lq:add_video_input(caspar_input, false)
+local overlay_chain_lq_input = overlay_chain_lq:add_html_input(cef_input)
overlay_chain_lq:finalize(false)
-- Used for indexing into the tables of chains.
function get_input_type(signals, signal_num)
if signal_num == STATIC_SIGNAL_NUM then
return "static"
+ elseif signal_num == VIDEO_SIGNAL_NUM then
+ return "video"
elseif signals:get_interlaced(signal_num) then
return "livedeint"
else
-- Returns the number of outputs in addition to the live (0) and preview (1).
-- Called only once, at the start of the program.
function num_channels()
- return 5
+ return NUM_CAMERAS + 4 -- sbs, static picture, video and overlay
end
function is_plain_signal(num)
- return num >= INPUT0_SIGNAL_NUM and num <= INPUT2_SIGNAL_NUM
+ return (num >= INPUT0_SIGNAL_NUM and num <= INPUT5_SIGNAL_NUM) or (num == VIDEO_SIGNAL_NUM)
end
-- Helper function to write e.g. “720p60”. The difference between this
-- and get_channel_resolution_raw() is that this one also can say that
-- there's no signal.
function get_channel_resolution(signal_num)
- res = last_resolution[signal_num]
+ local res = last_resolution[signal_num]
if (not res) or not res.is_connected then
return "disconnected"
end
end
end
+function get_futatabi_status(str)
+ local num_fields = 0
+ local fields = {}
+ for word in string.gmatch(str, '([^;]+)') do
+ table.insert(fields, word)
+ num_fields = num_fields + 1
+ end
+ if num_fields >= 4 then
+ return fields[4]
+ else
+ return "???"
+ end
+end
+
-- API ENTRY POINT
-- Returns the name for each additional channel (starting from 2).
-- Called at the start of the program, and then each frame for live
-- channels in case they change resolution.
function channel_name(channel)
local signal_num = channel - 2
- if is_plain_signal(signal_num) then
- return "Input " .. (signal_num + 1) .. " (" .. get_channel_resolution(signal_num) .. ")"
+ if signal_num == INPUT0_SIGNAL_NUM then
+ return "Main (" .. get_channel_resolution(signal_num) .. ")"
+ elseif signal_num == INPUT1_SIGNAL_NUM then
+ return "Secondary (" .. get_channel_resolution(signal_num) .. ")"
+ elseif signal_num == INPUT2_SIGNAL_NUM then
+ return "Goal L (" .. get_channel_resolution(signal_num) .. ")"
+ elseif signal_num == INPUT3_SIGNAL_NUM then
+ return "Goal R (" .. get_channel_resolution(signal_num) .. ")"
+ elseif signal_num == INPUT4_SIGNAL_NUM then
+ return "Commentators (" .. get_channel_resolution(signal_num) .. ")"
+ elseif signal_num == INPUT5_SIGNAL_NUM then
+ return "Laptop (" .. get_channel_resolution(signal_num) .. ")"
+ elseif signal_num == SBS_SIGNAL_NUM then
+ return "Side-by-side"
elseif signal_num == STATIC_SIGNAL_NUM then
return "Static picture"
+ elseif signal_num == VIDEO_SIGNAL_NUM then
+ local res = last_resolution[iptv_video:get_signal_num()]
+ if (not res) or res.last_subtitle == nil then
+ return "IPTV"
+ else
+ return "IPTV (" .. get_futatabi_status(res.last_subtitle) .. ")"
+ end
elseif signal_num == OVERLAY_SIGNAL_NUM then
return "Overlay"
end
-- Called once for each channel, at the start of the program.
-- Will never be called for live (0) or preview (1).
function channel_signal(channel)
- if channel == 2 then
- return 0
- elseif channel == 3 then
- return 1
+ if channel - 2 == VIDEO_SIGNAL_NUM then
+ return iptv_video:get_signal_num()
+ elseif is_plain_signal(channel - 2) then
+ return channel - 2
else
return -1
end
-- "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"
if is_plain_signal(signal_num) then
return channel == (signal_num + 2)
end
+ if signal_num == SBS_SIGNAL_NUM then
+ return is_sbs_participating_signal(channel - 2)
+ end
if signal_num == STATIC_SIGNAL_NUM then
- return (channel == 5)
+ return (channel == NUM_CAMERAS)
+ end
+ if signal_num == VIDEO_SIGNAL_NUM then
+ return (channel == NUM_CAMERAS + 1)
end
return false
end
-- 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)
+ return signal_num == INPUT0_SIGNAL_NUM or signal_num == INPUT4_SIGNAL_NUM
+end
+
+function simple_signal_has_overlay(signal_num)
+ -- The commentator output has no overlay on it.
+ return signal_num ~= INPUT4_SIGNAL_NUM
end
-- 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) and state.preview_signal_num == VIDEO_SIGNAL_NUM) or
+ (is_plain_signal(state.preview_signal_num) and state.live_signal_num == VIDEO_SIGNAL_NUM) then
+ return {"Cut", "Sting", "Fade"}
+ end
+
+ 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 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(state.live_signal_num) and state.preview_signal_num == SBS_SIGNAL_NUM then
+ return {"Cut", "Zoom out"}
+ end
+
return {"Cut"}
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
+ state.stinger_in_progress = false
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()
+ state.stinger_in_progress = false
elseif num == 1 then
- -- Zoom.
+ -- Zoom or sting.
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 state.preview_signal_num == VIDEO_SIGNAL_NUM) or
+ (is_plain_signal(state.preview_signal_num) and state.live_signal_num == VIDEO_SIGNAL_NUM) then
+ -- Sting.
+ if stinger_in_progress then
+ return
+ end
+
+ state.stinger_in_progress = true
+ state.stinger_frame = 0
+ state.stinger_src_signal = state.live_signal_num
+ state.stinger_dst_signal = state.preview_signal_num
+ return
+ end
+
+ 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()
+ state.stinger_in_progress = false
return
end
+
+ 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]
- prepare = function()
+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)
- set_neutral_color_from_signal(chain.input0.wb_effect, transition_src_signal)
+ chain.input0.input:connect_signal(state.transition_src_signal)
+ end
+ if input0_type ~= "static" then
+ 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)
- set_neutral_color_from_signal(chain.input1.wb_effect, transition_dst_signal)
+ chain.input1.input:connect_signal(state.transition_dst_signal)
+ end
+ if input1_type ~= "static" then
+ 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)
- prepare_overlay_live(chain, t)
+
+ -- The commentator output has no overlay on it.
+ local extra_alpha_factor = 1.0
+ 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(state.transition_src_signal) then
+ extra_alpha_factor = tt
+ elseif not simple_signal_has_overlay(state.transition_dst_signal) then
+ extra_alpha_factor = 1.0 - tt
+ end
+ 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(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][state.overlay_enabled][input1_type][true]
+end
+
+function fetch_input_resolution(signals, signal_num)
+ local res = {
+ width = signals:get_width(signal_num),
+ height = signals:get_height(signal_num),
+ interlaced = signals:get_interlaced(signal_num),
+ has_signal = signals:get_has_signal(signal_num),
+ is_connected = signals:get_is_connected(signal_num),
+ frame_rate_nom = signals:get_frame_rate_nom(signal_num),
+ frame_rate_den = signals:get_frame_rate_den(signal_num),
+ last_subtitle = signals:get_last_subtitle(signal_num)
+ }
+
+ if res.interlaced then
+ -- Convert height from frame height to field height.
+ -- (Needed for e.g. place_rectangle.)
+ res.height = res.height * 2
+
+ -- Show field rate instead of frame rate; really for cosmetics only
+ -- (and actually contrary to EBU recommendations, although in line
+ -- with typical user expectations).
+ res.frame_rate_nom = res.frame_rate_nom * 2
+ end
+ return res
+end
+
+local last_rate = 0.0
+
-- API ENTRY POINT
-- Called every frame. Get the chain for displaying at input <num>,
-- where 0 is live, 1 is preview, 2 is the first channel to display
-- if and only if num==0.
function get_chain(num, t, width, height, signals)
local input_resolution = {}
- for signal_num=0,2 do
- local res = {
- width = signals:get_width(signal_num),
- height = signals:get_height(signal_num),
- interlaced = signals:get_interlaced(signal_num),
- has_signal = signals:get_has_signal(signal_num),
- is_connected = signals:get_is_connected(signal_num),
- frame_rate_nom = signals:get_frame_rate_nom(signal_num),
- frame_rate_den = signals:get_frame_rate_den(signal_num)
- }
-
- if res.interlaced then
- -- Convert height from frame height to field height.
- -- (Needed for e.g. place_rectangle.)
- res.height = res.height * 2
-
- -- Show field rate instead of frame rate; really for cosmetics only
- -- (and actually contrary to EBU recommendations, although in line
- -- with typical user expectations).
- res.frame_rate_nom = res.frame_rate_nom * 2
- end
-
- input_resolution[signal_num] = res
+ for signal_num=0,(NUM_CAMERAS-1) do
+ input_resolution[signal_num] = fetch_input_resolution(signals, signal_num)
end
+ input_resolution[iptv_video:get_signal_num()] = fetch_input_resolution(signals, iptv_video:get_signal_num())
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 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
+ end
+ if new_rate ~= last_rate then
+ -- Avoid waking up the video thread (which may be sleeping) if the rate is the same.
+ bg_video:change_rate(new_rate)
+ last_rate = new_rate
+ end
+
if num == 0 then -- Live.
-- See if we're in a transition.
finish_transitions(t)
- if 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 chain = simple_chains[input_type][input_scale][overlay_enabled][true]
- prepare = function()
- chain.input:connect_signal(live_signal_num)
+ if state.transition_type == ZOOM_TRANSITION then
+ -- Transition in or out of SBS.
+ local chain = get_sbs_chain(state_copy, signals)
+ local prepare = function()
+ prepare_sbs_chain(state_copy, chain, calc_zoom_progress(t), state_copy.transition_type, state_copy.transition_src_signal, state_copy.transition_dst_signal, width, height, input_resolution)
+ prepare_overlay_live(state_copy, chain, t, 1.0)
+ end
+ return chain.chain, prepare
+ elseif state.transition_type == NO_TRANSITION and state.live_signal_num == SBS_SIGNAL_NUM then
+ -- Static SBS view.
+ local chain = get_sbs_chain(state_copy, signals)
+ local prepare = function()
+ 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 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.overlay_enabled and simple_signal_has_overlay(state.live_signal_num)
+ local chain
+ if state.stinger_in_progress then
+ chain = stinger_chains[input_type][input_scale][overlay_really_enabled][state.stinger_frame][true]
+ state.stinger_frame = state.stinger_frame + 1
+ if state.stinger_frame >= 25 then
+ state.stinger_in_progress = false
+ state.preview_signal_num = state.stinger_src_signal
+ state.live_signal_num = state.stinger_dst_signal
+
+ if state.stinger_dst_signal == VIDEO_SIGNAL_NUM then
+ -- Turn off the overlay when playing video.
+ state.stinger_save_overlay = state.overlay_enabled
+ state.overlay_enabled = false
+ else
+ -- Restore the state.
+ state.overlay_enabled = state.stinger_save_overlay
+ end
+ end
+ else
+ chain = simple_chains[input_type][input_scale][overlay_really_enabled][true]
+ end
+ local prepare = function()
+ if input_type ~= "video" then
+ chain.input:connect_signal(state.live_signal_num)
+ end
+ set_neutral_color_from_signal(state_copy, chain.wb_effect, state.live_signal_num)
set_scale_parameters_if_needed(chain, width, height)
- set_neutral_color_from_signal(chain.wb_effect, live_signal_num)
- prepare_overlay_live(chain, t)
+ prepare_overlay_live(state_copy, chain, t, 1.0)
end
return chain.chain, prepare
- elseif live_signal_num == STATIC_SIGNAL_NUM then -- Static picture.
- local chain = static_chains[overlay_enabled][true]
- prepare = function()
- prepare_overlay_live(chain, t)
+ elseif state.live_signal_num == STATIC_SIGNAL_NUM then -- Static picture.
+ local chain = static_chains[true]
+ local prepare = function()
+ 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
+ num = state.preview_signal_num + 2
+ show_overlay = state.overlay_enabled and simple_signal_has_overlay(state.preview_signal_num)
end
end
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][show_overlay][false]
- prepare = function()
- chain.input:connect_signal(signal_num)
+ local prepare = function()
+ if input_type ~= "video" then
+ chain.input:connect_signal(signal_num)
+ end
+ set_neutral_color(chain.wb_effect, state_copy.neutral_colors[signal_num + 1])
set_scale_parameters_if_needed(chain, width, height)
- set_neutral_color(chain.wb_effect, neutral_colors[signal_num + 1])
prepare_overlay_static(chain, t)
end
return chain.chain, prepare
end
+ if num == SBS_SIGNAL_NUM + 2 then
+ local input0_type = get_input_type(signals, INPUT0_SIGNAL_NUM)
+ 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(state_copy, chain, 0.0, NO_TRANSITION, 0, SBS_SIGNAL_NUM, width, height, input_resolution)
+ end
+ return chain.chain, prepare
+ end
if num == STATIC_SIGNAL_NUM + 2 then
- local chain = static_chains[show_overlay][false]
- prepare = function()
+ local chain = static_chains[false]
+ local prepare = function()
prepare_overlay_static(chain, t)
end
return chain.chain, prepare
end
if num == OVERLAY_SIGNAL_NUM + 2 then
- prepare = function()
+ local prepare = function()
-- prepare_overlay(overlay_chain_lq, t)
end
return overlay_chain_lq, prepare
return math.floor(x + 0.5)
end
-function prepare_overlay_live(chain, t)
+function lerp(a, b, t)
+ return a + (b - a) * t
+end
+
+function lerp_pos(a, b, t)
+ return {
+ x0 = lerp(a.x0, b.x0, t),
+ y0 = lerp(a.y0, b.y0, t),
+ x1 = lerp(a.x1, b.x1, t),
+ y1 = lerp(a.y1, b.y1, t)
+ }
+end
+
+function pos_from_top_left(x, y, width, height, screen_width, screen_height)
+ local xs = screen_width / 1280.0
+ local ys = screen_height / 720.0
+ return {
+ x0 = round(xs * x),
+ y0 = round(ys * y),
+ x1 = round(xs * (x + width)),
+ y1 = round(ys * (y + height))
+ }
+end
+
+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, 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)
+ local pos1 = pos_from_top_left(16, 186, 616, 347, screen_width, screen_height)
+
+ local pos_fs = { x0 = 0, y0 = 0, x1 = screen_width, y1 = screen_height }
+ local affine_param
+ if transition_type == NO_TRANSITION then
+ -- Static SBS view.
+ affine_param = { sx = 1.0, sy = 1.0, tx = 0.0, ty = 0.0 } -- Identity.
+ else
+ -- Zooming to/from SBS view into or out of a single view.
+ assert(transition_type == ZOOM_TRANSITION)
+ local signal, real_t
+ if src_signal == SBS_SIGNAL_NUM then
+ signal = dst_signal
+ real_t = t
+ else
+ assert(dst_signal == SBS_SIGNAL_NUM)
+ signal = src_signal
+ real_t = 1.0 - t
+ end
+
+ if signal == INPUT0_SIGNAL_NUM then
+ affine_param = find_affine_param(pos0, lerp_pos(pos0, pos_fs, real_t))
+ elseif signal == INPUT4_SIGNAL_NUM then
+ affine_param = find_affine_param(pos1, lerp_pos(pos1, pos_fs, real_t))
+ end
+ end
+
+ -- NOTE: input_resolution is not 1-indexed, unlike usual Lua arrays.
+ place_rectangle_with_affine(chain.input0.resample_effect, chain.input0.resize_effect, chain.input0.padding_effect, pos0, affine_param, screen_width, screen_height, input_resolution[0].width, input_resolution[0].height)
+ place_rectangle_with_affine(chain.input1.resample_effect, chain.input1.resize_effect, chain.input1.padding_effect, pos1, affine_param, screen_width, screen_height, input_resolution[1].width, input_resolution[1].height)
+end
+
+-- Find the transformation that changes the first rectangle to the second one.
+function find_affine_param(a, b)
+ local sx = (b.x1 - b.x0) / (a.x1 - a.x0)
+ local sy = (b.y1 - b.y0) / (a.y1 - a.y0)
+ return {
+ sx = sx,
+ sy = sy,
+ tx = b.x0 - a.x0 * sx,
+ ty = b.y0 - a.y0 * sy
+ }
+end
+
+function place_rectangle_with_affine(resample_effect, resize_effect, padding_effect, pos, aff, screen_width, screen_height, input_width, input_height)
+ local x0 = pos.x0 * aff.sx + aff.tx
+ local x1 = pos.x1 * aff.sx + aff.tx
+ local y0 = pos.y0 * aff.sy + aff.ty
+ local y1 = pos.y1 * aff.sy + aff.ty
+
+ place_rectangle(resample_effect, resize_effect, padding_effect, x0, y0, x1, y1, screen_width, screen_height, input_width, input_height)
+end
+
+function place_rectangle(resample_effect, resize_effect, padding_effect, x0, y0, x1, y1, screen_width, screen_height, input_width, input_height)
+ local srcx0 = 0.0
+ local srcx1 = 1.0
+ local srcy0 = 0.0
+ local srcy1 = 1.0
+
+ padding_effect:set_int("width", screen_width)
+ padding_effect:set_int("height", screen_height)
+
+ -- Cull.
+ if x0 > screen_width or x1 < 0.0 or y0 > screen_height or y1 < 0.0 then
+ if resample_effect ~= nil then
+ resample_effect:set_int("width", 1)
+ resample_effect:set_int("height", 1)
+ resample_effect:set_float("zoom_x", screen_width)
+ resample_effect:set_float("zoom_y", screen_height)
+ else
+ resize_effect:set_int("width", 1)
+ resize_effect:set_int("height", 1)
+ end
+ padding_effect:set_int("left", screen_width + 100)
+ padding_effect:set_int("top", screen_height + 100)
+ return
+ end
+
+ -- Clip.
+ if x0 < 0 then
+ srcx0 = -x0 / (x1 - x0)
+ x0 = 0
+ end
+ if y0 < 0 then
+ srcy0 = -y0 / (y1 - y0)
+ y0 = 0
+ end
+ if x1 > screen_width then
+ srcx1 = (screen_width - x0) / (x1 - x0)
+ x1 = screen_width
+ end
+ if y1 > screen_height then
+ srcy1 = (screen_height - y0) / (y1 - y0)
+ y1 = screen_height
+ end
+
+ if resample_effect ~= nil then
+ -- High-quality resampling.
+ local x_subpixel_offset = x0 - math.floor(x0)
+ local y_subpixel_offset = y0 - math.floor(y0)
+
+ -- Resampling must be to an integral number of pixels. Round up,
+ -- and then add an extra pixel so we have some leeway for the border.
+ local width = math.ceil(x1 - x0) + 1
+ local height = math.ceil(y1 - y0) + 1
+ resample_effect:set_int("width", width)
+ resample_effect:set_int("height", height)
+
+ -- Correct the discrepancy with zoom. (This will leave a small
+ -- excess edge of pixels and subpixels, which we'll correct for soon.)
+ local zoom_x = (x1 - x0) / (width * (srcx1 - srcx0))
+ local zoom_y = (y1 - y0) / (height * (srcy1 - srcy0))
+ resample_effect:set_float("zoom_x", zoom_x)
+ resample_effect:set_float("zoom_y", zoom_y)
+ resample_effect:set_float("zoom_center_x", 0.0)
+ resample_effect:set_float("zoom_center_y", 0.0)
+
+ -- Padding must also be to a whole-pixel offset.
+ padding_effect:set_int("left", math.floor(x0))
+ padding_effect:set_int("top", math.floor(y0))
+
+ -- Correct _that_ discrepancy by subpixel offset in the resampling.
+ resample_effect:set_float("left", srcx0 * input_width - x_subpixel_offset / zoom_x)
+ resample_effect:set_float("top", srcy0 * input_height - y_subpixel_offset / zoom_y)
+
+ -- Finally, adjust the border so it is exactly where we want it.
+ padding_effect:set_float("border_offset_left", x_subpixel_offset)
+ padding_effect:set_float("border_offset_right", x1 - (math.floor(x0) + width))
+ padding_effect:set_float("border_offset_top", y_subpixel_offset)
+ padding_effect:set_float("border_offset_bottom", y1 - (math.floor(y0) + height))
+ else
+ -- Lower-quality simple resizing.
+ local width = round(x1 - x0)
+ local height = round(y1 - y0)
+ resize_effect:set_int("width", width)
+ resize_effect:set_int("height", height)
+
+ -- Padding must also be to a whole-pixel offset.
+ padding_effect:set_int("left", math.floor(x0))
+ padding_effect:set_int("top", math.floor(y0))
+ end
+end
+
+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)
- overlay_alpha = overlay_alpha_src + tt * (overlay_alpha_dst - overlay_alpha_src)
- --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.
+ 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 .. " [" .. 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
return tt
end
+
+ThemeMenu.set(
+ { "Reload overlay", reload_cef },
+ { "Disconnect IPTV", disconnect_iptv }
+)