--- 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.
+-- Nageru theme for TFK mini-tournament 2017, based on the default theme.
+
+local futatabi_server = "http://10.1.0.172:9096"
+
+local state = {
+ transition_start = -2.0,
+ transition_end = -1.0,
+ transition_type = 0,
+ transition_src_signal = 0,
+ transition_dst_signal = 0,
+
+ 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.
+local NUM_CAMERAS = 6
-- Valid values for live_signal_num and preview_signal_num.
local INPUT0_SIGNAL_NUM = 0
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("http://home.samfundet.no/~sesse/videostuff", Nageru.VIDEO_FORMAT_YCBCR)
+local iptv_video = VideoInput.new(futatabi_server, Nageru.VIDEO_FORMAT_YCBCR)
+iptv_video:change_rate(10.0)
+
+local static_image = ImageInput.new(cef_path .. "/nageru/dsn-bg.png")
function reload_cef()
cef_input:reload()
iptv_video:disconnect()
end
--- Utility function to help creating many similar chains that can differ
--- in a free set of chosen parameters.
-function make_cartesian_product(parms, callback)
- return make_cartesian_product_internal(parms, callback, 1, {})
-end
-
-function make_cartesian_product_internal(parms, callback, index, args)
- if index > #parms then
- return callback(unpack(args))
- end
- local ret = {}
- for _, value in ipairs(parms[index]) do
- args[index] = value
- ret[value] = make_cartesian_product_internal(parms, callback, index + 1, args)
- end
- return ret
-end
-
-- An overlay with variable alpha.
-function make_overlay(chain, base)
- 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)
+function make_overlay(scene, base)
+ local image = scene:add_input(cef_input)
+ local multiply_effect = scene:add_effect(MultiplyEffect.new())
+ local overlay_effect = scene:add_optional_effect(OverlayEffect.new(), base, multiply_effect)
return {
image = image,
multiply_effect = multiply_effect,
}
end
-function possibly_make_overlay(has_overlay, chain, base)
- if has_overlay == true then
- return make_overlay(chain, base)
- else
- return nil
- end
-end
-
-function make_fade_input(chain, signal, live, deint, scale, video)
- local input, wb_effect, resample_effect, last
- 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(cef_path .. "/nageru/dsn-bg.png"))
- last = input
- end
-
- -- If we cared about this for the non-main inputs, we would have
- -- checked hq here and invoked ResizeEffect instead.
- if scale then
- resample_effect = chain:add_effect(ResampleEffect.new())
- last = resample_effect
- end
-
- -- Make sure to put the white balance after the scaling (usually more efficient).
- if live then
- wb_effect = chain:add_effect(WhiteBalanceEffect.new())
- last = wb_effect
- end
-
- return {
- input = input,
- wb_effect = wb_effect,
- resample_effect = resample_effect,
- last = last
+function make_fade_input(scene)
+ local ret = {
+ input = scene:add_input(),
+ resample_effect = scene:add_optional_effect(ResampleEffect.new()), -- Activated if scaling.
+ wb_effect = scene:add_auto_white_balance()
}
+ ret.overlay = make_overlay(scene, ret.wb_effect)
+ return ret
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, 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, input0_video)
- local input1 = make_fade_input(chain, INPUT1_SIGNAL_NUM, input1_live, input1_deint, input1_scale, input1_video)
+-- A scene to fade between two inputs, of which either can be a picture
+-- or a live input.
+function make_fade_scene()
+ local scene = Scene.new(16, 9)
-- 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 input0 = make_fade_input(scene)
+ local input1 = make_fade_input(scene)
+ local mix_effect = scene:add_effect(MixEffect.new(), input0.overlay.overlay_effect, input1.overlay.overlay_effect)
+ local overlay = make_overlay(scene, mix_effect)
- local mix_effect = chain:add_effect(MixEffect.new(), input0.last, input1.last)
- if input0_live and input1_live then
- overlay = possibly_make_overlay(has_overlay, chain, mix_effect)
- end
+ -- At most one overlay can be active at any given time.
+ input0.overlay.overlay_effect:promise_to_disable_if_enabled(input1.overlay.overlay_effect)
+ input0.overlay.overlay_effect:promise_to_disable_if_enabled(overlay.overlay_effect)
+ input1.overlay.overlay_effect:promise_to_disable_if_enabled(input0.overlay.overlay_effect)
+ input1.overlay.overlay_effect:promise_to_disable_if_enabled(overlay.overlay_effect)
+ overlay.overlay_effect:promise_to_disable_if_enabled(input0.overlay.overlay_effect)
+ overlay.overlay_effect:promise_to_disable_if_enabled(input1.overlay.overlay_effect)
- chain:finalize(hq)
+ scene:finalize(true) -- Only used live, don't bother creating LQ versions.
return {
- chain = chain,
+ scene = scene,
input0 = input0,
input1 = input1,
mix_effect = mix_effect,
overlay = overlay
}
end
-
--- Chains to fade between two inputs, in various configurations.
-local fade_chains = make_cartesian_product({
- {"video", "static", "live", "livedeint"}, -- input0_type
- {true, false}, -- input0_scale
- {"video", "static", "live", "livedeint"}, -- input1_type
- {true, false}, -- input1_scale
- {true, false}, -- has_overlay
- {true} -- hq
-}, function(input0_type, input0_scale, input1_type, input1_scale, has_overlay, hq)
- local input0_live = (input0_type ~= "static")
- local input1_live = (input1_type ~= "static")
- local input0_deint = (input0_type == "livedeint")
- local input1_deint = (input1_type == "livedeint")
- 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)
-
-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 overlay = nil
- if has_overlay then
- overlay = make_overlay(chain, input)
- 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 wb_effect = chain:add_effect(WhiteBalanceEffect.new())
-
- local padding_effect = chain:add_effect(IntegralPaddingEffect.new())
-
+fade_scene = make_fade_scene()
+
+function make_sbs_input(scene, has_overlay)
+ local input = scene:add_input()
+ local wb_effect = scene:add_auto_white_balance()
+ local overlay = has_overlay and make_overlay(scene, wb_effect) or nil
+ local resample_effect = scene:add_effect({ResampleEffect.new(), ResizeEffect.new()})
+ local padding_effect = scene:add_effect(IntegralPaddingEffect.new())
return {
input = input,
- wb_effect = wb_effect,
+ overlay = overlay,
resample_effect = resample_effect,
- resize_effect = resize_effect,
- padding_effect = padding_effect,
- overlay = overlay
+ wb_effect = wb_effect,
+ padding_effect = padding_effect
}
end
--- Side-by-side chains.
-function make_sbs_chain(input0_type, input0_overlay, input1_type, hq)
- local chain = EffectChain.new(16, 9)
+-- Side-by-side scene.
+function make_sbs_scene()
+ local scene = Scene.new(16, 9)
- 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)
+ local bg = scene:add_input(bg_video)
+ local input0 = make_sbs_input(scene, true)
+ local input1 = make_sbs_input(scene, false)
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)
+ input0.input:display(0)
+ input1.input:display(1)
+
+ local i0 = scene:add_effect(OverlayEffect.new(), bg, input0.padding_effect)
+ scene:add_effect(OverlayEffect.new(), i0, input1.padding_effect)
+ scene:finalize()
return {
- chain = chain,
+ scene = scene,
input0 = input0,
input1 = input1,
overlay = input0.overlay -- May be nil.
}
end
+local sbs_scene = make_sbs_scene()
+function make_simple_scene_no_finalize()
+ local scene = Scene.new(16, 9)
--- 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)
-
--- A chain to show a single input on screen.
-function make_simple_chain(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)
- end
- input:connect_signal(0) -- First input card. Can be changed whenever you want.
-
- local resample_effect, resize_effect
- if scale then
- if hq then
- resample_effect = chain:add_effect(ResampleEffect.new())
- else
- resize_effect = chain:add_effect(ResizeEffect.new())
- end
- end
-
- local wb_effect = chain:add_effect(WhiteBalanceEffect.new())
- local overlay = possibly_make_overlay(has_overlay, chain, wb_effect)
-
- chain:finalize(hq)
+ local input = scene:add_input()
+ local resample_effect = scene:add_effect({ResampleEffect.new(), ResizeEffect.new(), IdentityEffect.new()})
+ local wb_effect = scene:add_auto_white_balance()
+ local overlay = make_overlay(scene, wb_effect)
return {
- chain = chain,
+ scene = scene,
input = input,
wb_effect = wb_effect,
resample_effect = resample_effect,
- resize_effect = resize_effect,
overlay = overlay
}
end
--- Make all possible combinations of single-input chains.
-local simple_chains = make_cartesian_product({
- {"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")
- 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 static picture on screen. Never with HTML overlay.
-local static_chains = make_cartesian_product({
- {true, false} -- hq
-}, function(hq)
- local chain = EffectChain.new(16, 9)
- local chain_input = chain:add_effect(ImageInput.new(cef_path .. "/nageru/dsn-bg.png"))
-
- chain:finalize(hq)
- return {
- chain = chain
- }
-end)
+-- A scene to show a single input on screen.
+function make_simple_scene()
+ local scene = make_simple_scene_no_finalize()
+ scene.scene:finalize()
+ return scene
+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_html_input(cef_input)
-overlay_chain_lq:finalize(false)
+local simple_scene = make_simple_scene()
--- 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
- return "live"
- end
+-- Load all the stinger frames.
+local stinger_images = {}
+for idx=0,24 do
+ local filename = cef_path .. "/stinger/blur" .. string.rep("0", 3 - string.len(tostring(idx))) .. idx .. ".png"
+ stinger_images[idx] = ImageInput.new(filename)
end
+-- A scene to show a single input on screen, with a stinger on top.
+function make_stinger_scene()
+ local scene = make_simple_scene_no_finalize()
+ scene.stinger_input = scene.scene:add_input()
+ scene.scene:add_effect(OverlayEffect.new(), scene.overlay.overlay_effect, scene.stinger_input)
+ scene.scene:finalize()
+ return scene
+end
+local stinger_scene = make_stinger_scene()
+
+-- A scene to show a single static picture on screen. Never with HTML overlay.
+local static_scene = Scene.new(16, 9)
+static_scene:add_input(static_image)
+static_scene:finalize()
+
+-- A scene to show the overlay and nothing more. LQ only,
+-- since it is not a valid live signal.
+local overlay_scene_lq = Scene.new(16, 9)
+local overlay_scene_lq_input = overlay_scene_lq:add_input(cef_input)
+overlay_scene_lq:finalize(false)
+
function needs_scale(signals, signal_num, width, height)
if signal_num == STATIC_SIGNAL_NUM then
-- We assume this is already correctly scaled at load time.
return (signals:get_width(signal_num) ~= width or signals:get_height(signal_num) ~= height)
end
-function set_scale_parameters_if_needed(chain_or_input, width, height)
- if chain_or_input.resample_effect then
- chain_or_input.resample_effect:set_int("width", width)
- chain_or_input.resample_effect:set_int("height", height)
- elseif chain_or_input.resize_effect then
- chain_or_input.resize_effect:set_int("width", width)
- chain_or_input.resize_effect:set_int("height", height)
+function set_scale_parameters_if_needed(scene, signals, signal_num, width, height, hq)
+ -- Futatabi rescaling will be linear, but original frames come back unscaled;
+ -- make them linear, too, so that we don't get more sharpness on every other
+ -- frame. This won't be right for fading, but it's probably hard to notice.
+ if signal_num == VIDEO_SIGNAL_NUM then
+ hq = false
end
+
+ if needs_scale(signals, signal_num, width, height) then
+ if hq then
+ scene.resample_effect:choose(ResampleEffect) -- High-quality resampling.
+ else
+ scene.resample_effect:choose(ResizeEffect) -- Low-quality resampling.
+ end
+ scene.resample_effect:set_int("width", width)
+ scene.resample_effect:set_int("height", height)
+ else
+ scene.resample_effect:disable()
+ end
+
end
-- API ENTRY POINT
-- 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
elseif signal_num == STATIC_SIGNAL_NUM then
return "Static picture"
elseif signal_num == VIDEO_SIGNAL_NUM then
- return "IPTV input"
+ local res = last_resolution[iptv_video:get_signal_num()]
+ if (not res) or res.last_subtitle == nil then
+ return "Futatabi"
+ else
+ return "Futatabi (" .. get_futatabi_status(res.last_subtitle) .. ")"
+ end
elseif signal_num == OVERLAY_SIGNAL_NUM then
return "Overlay"
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"
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 is_plain_signal(channel - 2) then
- 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) 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 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
+ 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 (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).
+ -- Fades involving SBS are ignored (we have no scene for it).
end
end
end
-- 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()
- 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)
- 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)
+function setup_fade_input(state, input, signals, signal_num, width, height)
+ if signal_num == STATIC_SIGNAL_NUM then
+ input.input:display(static_image)
+
+ -- We assume this is already correctly scaled at load time.
+ input.resample_effect:disable()
+ else
+ input.input:display(signal_num)
+
+ if (signals:get_width(signal_num) ~= width or signals:get_height(signal_num) ~= height) then
+ input.resample_effect:enable()
+ input.resample_effect:set_int("width", width)
+ input.resample_effect:set_int("height", height)
+ else
+ input.resample_effect:disable()
end
- set_scale_parameters_if_needed(chain.input1, width, height)
- local tt = calc_fade_progress(t, transition_start, 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
- extra_alpha_factor = 0.0
- elseif not simple_signal_has_overlay(transition_src_signal) then
- extra_alpha_factor = tt
- elseif not simple_signal_has_overlay(transition_dst_signal) then
- extra_alpha_factor = 1.0 - tt
+ end
+end
+
+function get_fade_scene(state, signals, t, width, height, input_resolution)
+ local scene = fade_scene
+ setup_fade_input(state, scene.input0, signals, state.transition_src_signal, width, height)
+ setup_fade_input(state, scene.input1, signals, state.transition_dst_signal, width, height)
+
+ local tt = calc_fade_progress(t, state.transition_start, state.transition_end)
+ scene.mix_effect:set_float("strength_first", 1.0 - tt)
+ scene.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(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
+
+ -- 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.
+ scene.input0.overlay.overlay_effect:disable()
+ scene.input1.overlay.overlay_effect:disable()
+ scene.overlay.overlay_effect:disable()
+ if state.overlay_enabled then
+ local input0_live = (state.transition_src_signal ~= STATIC_SIGNAL_NUM)
+ local input1_live = (state.transition_dst_signal ~= STATIC_SIGNAL_NUM)
+ if input0_live and not input1_live then
+ scene.input0.overlay.overlay_effect:enable()
+ prepare_overlay_live(state, scene.input0, t, extra_alpha_factor)
+ elseif input1_live and not input0_live then
+ scene.input1.overlay.overlay_effect:enable()
+ prepare_overlay_live(state, scene.input1, t, extra_alpha_factor)
+ else
+ scene.overlay.overlay_effect:enable()
+ prepare_overlay_live(state, scene, t, extra_alpha_factor)
end
- prepare_overlay_live(chain, t, extra_alpha_factor)
end
- return chain.chain, prepare
+ return scene.scene
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)
- 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]
+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>,
+-- Called every frame. Get the scene for displaying at input <num>,
-- where 0 is live, 1 is preview, 2 is the first channel to display
-- in the bottom bar, and so on up to num_channels()+1. t is the
-- current time in seconds. width and height are the dimensions of
-- <signals> is basically an exposed InputState, which you can use to
-- query for information about the signals at the point of the current
-- frame. In particular, you can call get_width() and get_height()
--- for any signal number, and use that to e.g. assist in chain selection.
---
--- You should return two objects; the chain itself, and then a
--- function (taking no parameters) that is run just before rendering.
--- The function needs to call connect_signal on any inputs, so that
--- it gets updated video data for the given frame. (You are allowed
--- to switch which input your input is getting from between frames,
--- but not calling connect_signal results in undefined behavior.)
--- If you want to change any parameters in the chain, this is also
--- the right place.
+-- for any signal number, and use that to e.g. assist in scene selection.
--
--- NOTE: The chain returned must be finalized with the Y'CbCr flag
--- if and only if num==0.
-function get_chain(num, t, width, height, signals)
+-- You should return scene to use, after having set any parameters you
+-- want to set (through set_int() etc.). The parameters will be snapshot
+-- at return time and used during rendering.
+function get_scene(num, t, width, height, signals)
local input_resolution = {}
for signal_num=0,(NUM_CAMERAS-1) 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
+ 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
-- 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)
- 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)
- end
- return chain.chain, prepare
- elseif transition_type == NO_TRANSITION and live_signal_num == SBS_SIGNAL_NUM then
+ sbs_scene.input0.overlay.overlay_effect:enable_if(state.overlay_enabled)
+ prepare_sbs_scene(state, sbs_scene, calc_zoom_progress(t), state.transition_type, state.transition_src_signal, state.transition_dst_signal, width, height, input_resolution, true)
+ prepare_overlay_live(state, sbs_scene, t, 1.0)
+ return sbs_scene.scene
+ 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)
- 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)
- 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)
- local chain = simple_chains[input_type][input_scale][overlay_really_enabled][true]
- prepare = function()
- if input_type ~= "video" then
- chain.input:connect_signal(live_signal_num)
- set_neutral_color_from_signal(chain.wb_effect, live_signal_num)
+ sbs_scene.input0.overlay.overlay_effect:enable_if(state.overlay_enabled)
+ prepare_sbs_scene(state, sbs_scene, 0.0, NO_TRANSITION, 0, SBS_SIGNAL_NUM, width, height, input_resolution, true)
+ prepare_overlay_live(state, sbs_scene, t, 1.0)
+ return sbs_scene.scene
+ elseif state.transition_type == FADE_TRANSITION then
+ return get_fade_scene(state, signals, t, width, height, input_resolution)
+ elseif is_plain_signal(state.live_signal_num) then
+ local overlay_really_enabled = state.overlay_enabled and simple_signal_has_overlay(state.live_signal_num)
+ if state.stinger_in_progress then
+ stinger_scene.overlay.overlay_effect:enable_if(overlay_really_enabled)
+ if state.live_signal_num == VIDEO_SIGNAL_NUM then
+ stinger_scene.input:display(iptv_video)
+ else
+ stinger_scene.input:display(state.live_signal_num)
end
- set_scale_parameters_if_needed(chain, width, height)
- prepare_overlay_live(chain, t, 1.0)
- end
- return chain.chain, prepare
- elseif live_signal_num == STATIC_SIGNAL_NUM then -- Static picture.
- local chain = static_chains[true]
- prepare = function()
- prepare_overlay_live(chain, t, 1.0) -- FIXME: Should this ever be here?
+ set_scale_parameters_if_needed(stinger_scene, signals, state.live_signal_num, width, height, true)
+
+ stinger_scene.stinger_input:display(stinger_images[state.stinger_frame])
+ 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
+
+ if overlay_really_enabled then
+ prepare_overlay_live(state, stinger_scene, t, 1.0)
+ end
+ return stinger_scene.scene
+ else
+ simple_scene.overlay.overlay_effect:enable_if(overlay_really_enabled)
+ if state.live_signal_num == VIDEO_SIGNAL_NUM then
+ simple_scene.input:display(iptv_video)
+ else
+ simple_scene.input:display(state.live_signal_num)
+ end
+ set_scale_parameters_if_needed(simple_scene, signals, state.live_signal_num, width, height, true)
+ prepare_overlay_live(state, simple_scene, t, 1.0)
+ return simple_scene.scene
end
- return chain.chain, prepare
+ elseif state.live_signal_num == STATIC_SIGNAL_NUM then -- Static picture.
+ return static_scene
else
assert(false)
end
-- 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
-- Individual preview inputs (usually without overlay).
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][show_overlay][false]
- prepare = function()
- if input_type ~= "video" then
- chain.input:connect_signal(signal_num)
- set_neutral_color(chain.wb_effect, neutral_colors[signal_num + 1])
- end
- set_scale_parameters_if_needed(chain, width, height)
- prepare_overlay_static(chain, t)
+ simple_scene.overlay.overlay_effect:enable_if(show_overlay)
+ if signal_num == VIDEO_SIGNAL_NUM then
+ simple_scene.input:display(iptv_video)
+ else
+ simple_scene.input:display(signal_num)
end
- return chain.chain, prepare
+ set_scale_parameters_if_needed(simple_scene, signals, signal_num, width, height, false)
+ prepare_overlay_static(simple_scene, t)
+ return simple_scene.scene
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]
- prepare = function()
- prepare_sbs_chain(chain, 0.0, NO_TRANSITION, 0, SBS_SIGNAL_NUM, width, height, input_resolution)
- end
- return chain.chain, prepare
+ sbs_scene.input0.overlay.overlay_effect:enable_if(show_overlay)
+ prepare_sbs_scene(state, sbs_scene, 0.0, NO_TRANSITION, 0, SBS_SIGNAL_NUM, width, height, input_resolution, false)
+ return sbs_scene.scene
end
if num == STATIC_SIGNAL_NUM + 2 then
- local chain = static_chains[false]
- prepare = function()
- prepare_overlay_static(chain, t)
- end
- return chain.chain, prepare
+ return static_scene
end
if num == OVERLAY_SIGNAL_NUM + 2 then
- prepare = function()
--- prepare_overlay(overlay_chain_lq, t)
- end
- return overlay_chain_lq, prepare
+ return overlay_scene_lq
end
end
}
end
-function prepare_sbs_chain(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])
+function prepare_sbs_scene(state, scene, t, transition_type, src_signal, dst_signal, screen_width, screen_height, input_resolution, hq)
+ scene.input0.input:display(0)
+ scene.input1.input:display(4)
-- 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
-- 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)
+ place_rectangle_with_affine(scene.input0, pos0, affine_param, screen_width, screen_height, input_resolution[0].width, input_resolution[0].height, hq)
+ place_rectangle_with_affine(scene.input1, pos1, affine_param, screen_width, screen_height, input_resolution[1].width, input_resolution[1].height, hq)
end
-- Find the transformation that changes the first rectangle to the second one.
}
end
-function place_rectangle_with_affine(resample_effect, resize_effect, padding_effect, pos, aff, screen_width, screen_height, input_width, input_height)
+function place_rectangle_with_affine(input, pos, aff, screen_width, screen_height, input_width, input_height, hq)
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)
+ place_rectangle(input, x0, y0, x1, y1, screen_width, screen_height, input_width, input_height, hq)
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)
+function place_rectangle(input, x0, y0, x1, y1, screen_width, screen_height, input_width, input_height, hq)
+ input.padding_effect:set_int("width", screen_width)
+ input.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)
+ input.resample_effect:choose(ResizeEffect) -- Low-quality resizing.
+ input.resample_effect:set_int("width", 1)
+ input.resample_effect:set_int("height", 1)
+ input.padding_effect:set_int("left", screen_width + 100)
+ input.padding_effect:set_int("top", screen_height + 100)
return
end
+ local srcx0 = 0.0
+ local srcx1 = 1.0
+ local srcy0 = 0.0
+ local srcy1 = 1.0
+
-- Clip.
if x0 < 0 then
srcx0 = -x0 / (x1 - x0)
y1 = screen_height
end
- if resample_effect ~= nil then
+ if hq then
-- High-quality resampling.
+ local resample_effect = input.resample_effect:choose(ResampleEffect)
+
local x_subpixel_offset = x0 - math.floor(x0)
local y_subpixel_offset = y0 - math.floor(y0)
-- 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)
+ input.resample_effect:set_int("width", width)
+ input.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_x", zoom_x) -- Use the actual effect specialization; specific to ResampleEffect.
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))
+ input.padding_effect:set_int("left", math.floor(x0))
+ input.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))
+ input.padding_effect:set_float("border_offset_left", x_subpixel_offset)
+ input.padding_effect:set_float("border_offset_right", x1 - (math.floor(x0) + width))
+ input.padding_effect:set_float("border_offset_top", y_subpixel_offset)
+ input.padding_effect:set_float("border_offset_bottom", y1 - (math.floor(y0) + height))
else
-- Lower-quality simple resizing.
+ input.resample_effect:choose(ResizeEffect)
+
local width = round(x1 - x0)
local height = round(y1 - y0)
- resize_effect:set_int("width", width)
- resize_effect:set_int("height", height)
+ input.resample_effect:set_int("width", width)
+ input.resample_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))
+ input.padding_effect:set_int("left", math.floor(x0))
+ input.padding_effect:set_int("top", math.floor(y0))
+
+ -- No subpixel stuff.
+ input.padding_effect:set_float("border_offset_left", 0.0)
+ input.padding_effect:set_float("border_offset_right", 0.0)
+ input.padding_effect:set_float("border_offset_top", 0.0)
+ input.padding_effect:set_float("border_offset_bottom", 0.0)
end
end
-function prepare_overlay_live(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)
+function prepare_overlay_live(state, scene, t, extra_alpha_factor)
+ if scene.overlay then
+ 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)
+ scene.overlay.multiply_effect:set_vec4("factor", overlay_alpha, overlay_alpha, overlay_alpha, overlay_alpha)
end
end
-function prepare_overlay_static(chain)
- if chain.overlay then
- chain.overlay.multiply_effect:set_vec4("factor", 1.0, 1.0, 1.0, 1.0)
- end
-end
-
-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 is_plain_signal(signal) then
- set_neutral_color(effect, neutral_colors[signal - INPUT0_SIGNAL_NUM + 1])
+function prepare_overlay_static(scene)
+ if scene.overlay then
+ scene.overlay.multiply_effect:set_vec4("factor", 1.0, 1.0, 1.0, 1.0)
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 / blobdiff