]> git.sesse.net Git - nageru/blobdiff - theme.lua
Refactor the SBS chain generation a bit.
[nageru] / theme.lua
index eb5573315e357355c1a21fa59ded979c8c357998..a7fc812533c28d3789f6143773ab81d99ba54b8b 100644 (file)
--- a/theme.lua
+++ b/theme.lua
@@ -33,71 +33,73 @@ local STATIC_SIGNAL_NUM = 3
 -- to the next.
 local FADE_SIGNAL_NUM = 4
 
--- The main live chain.
-function make_sbs_chain(hq)
-       local chain = EffectChain.new(16, 9)
-       local input0 = chain:add_live_input(true)
-       input0:connect_signal(0)
-       local input0_wb_effect = chain:add_effect(WhiteBalanceEffect.new())
-       local input1 = chain:add_live_input(true)
-       input1:connect_signal(1)
-       local input1_wb_effect = chain:add_effect(WhiteBalanceEffect.new())
+function make_sbs_input(chain, signal, deint, 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())
 
        local resample_effect = nil
        local resize_effect = nil
        if (hq) then
-               resample_effect = chain:add_effect(ResampleEffect.new(), input0_wb_effect)
+               resample_effect = chain:add_effect(ResampleEffect.new())
        else
-               resize_effect = chain:add_effect(ResizeEffect.new(), input0_wb_effect)
+               resize_effect = chain:add_effect(ResizeEffect.new())
        end
 
        local padding_effect = chain:add_effect(IntegralPaddingEffect.new())
-       padding_effect:set_vec4("border_color", 0.0, 0.0, 0.0, 1.0)
 
-       local resample2_effect = nil
-       local resize2_effect = nil
-       if (hq) then
-               resample2_effect = chain:add_effect(ResampleEffect.new(), input1_wb_effect)
-       else
-               resize2_effect = chain:add_effect(ResizeEffect.new(), input1_wb_effect)
-       end
-       local padding2_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
+       }
+end
+
+-- The main live chain.
+function make_sbs_chain(input0_deint, input1_deint, hq)
+       local chain = EffectChain.new(16, 9)
+
+       local input0 = make_sbs_input(chain, INPUT0_SIGNAL_NUM, input0_deint, hq)
+       local input1 = make_sbs_input(chain, INPUT1_SIGNAL_NUM, input1_deint, hq)
+
+       input0.padding_effect:set_vec4("border_color", 0.0, 0.0, 0.0, 1.0)
+       input1.padding_effect:set_vec4("border_color", 0.0, 0.0, 0.0, 0.0)
 
-       chain:add_effect(OverlayEffect.new(), padding_effect, padding2_effect)
+       chain:add_effect(OverlayEffect.new(), input0.padding_effect, input1.padding_effect)
        chain:finalize(hq)
 
        return {
                chain = chain,
-               input0 = {
-                       input = input0,
-                       wb_effect = input0_wb_effect,
-                       resample_effect = resample_effect,
-                       resize_effect = resize_effect,
-                       padding_effect = padding_effect
-               },
-               input1 = {
-                       input = input1,
-                       wb_effect = input1_wb_effect,
-                       resample_effect = resample2_effect,
-                       resize_effect = resize2_effect,
-                       padding_effect = padding2_effect
-               }
+               input0 = input0,
+               input1 = input1
        }
 end
 
-local main_chain_hq = make_sbs_chain(true)
-local main_chain_lq = make_sbs_chain(false)
+-- Make all possible combinations of side-by-side chains.
+local sbs_chains = {}
+for input0_type, input0_deint in pairs({live = false, livedeint = true}) do
+       sbs_chains[input0_type] = {}
+       for input1_type, input1_deint in pairs({live = false, livedeint = true}) do
+               sbs_chains[input0_type][input1_type] = {}
+               for _, hq in pairs({true, false}) do
+                       sbs_chains[input0_type][input1_type][hq] =
+                               make_sbs_chain(input0_deint, input1_deint, hq)
+               end
+       end
+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, input1_live, hq)
+function make_fade_chain(input0_live, input0_deint, input1_live, input1_deint, hq)
        local chain = EffectChain.new(16, 9)
 
        local input0, wb0_effect, input0_last, input1, wb1_effect, input1_last
 
        if input0_live then
-               input0 = chain:add_live_input(true)
+               input0 = chain:add_live_input(false, input0_deint)
                wb0_effect = chain:add_effect(WhiteBalanceEffect.new())
                input0:connect_signal(0)
                input0_last = wb0_effect
@@ -107,7 +109,7 @@ function make_fade_chain(input0_live, input1_live, hq)
        end
 
        if input1_live then
-               input1 = chain:add_live_input(true)
+               input1 = chain:add_live_input(false, input1_deint)
                wb1_effect = chain:add_effect(WhiteBalanceEffect.new())
                input1:connect_signal(1)
                input1_last = wb1_effect
@@ -135,29 +137,43 @@ end
 
 -- Chains to fade between two inputs, in various configurations.
 local fade_chains = {}
-for input0_type, input0_live in pairs({static = false, live = true}) do
+for input0_type, input0_live in pairs({static = false, live = true, livedeint = true}) do
+       local input0_deint = (input0_live == "livedeint")
        fade_chains[input0_type] = {}
-       for input1_type, input1_live in pairs({static = false, live = true}) do
+       for input1_type, input1_live in pairs({static = false, live = true, livedeint = true}) do
+               local input1_deint = (input1_live == "livedeint")
                fade_chains[input0_type][input1_type] = {}
                for _, hq in pairs({true, false}) do
-                       fade_chains[input0_type][input1_type][hq] = make_fade_chain(input0_live, input1_live, hq)
+                       fade_chains[input0_type][input1_type][hq] =
+                               make_fade_chain(input0_live, input0_deint, input1_live, input1_deint, hq)
                end
        end
 end
 
--- A chain to show a single input on screen (HQ version).
-local simple_chain_hq = EffectChain.new(16, 9)
-local simple_chain_hq_input = simple_chain_hq:add_live_input(true)
-simple_chain_hq_input:connect_signal(0)  -- First input card. Can be changed whenever you want.
-local simple_chain_hq_wb_effect = simple_chain_hq:add_effect(WhiteBalanceEffect.new())
-simple_chain_hq:finalize(true)
+-- A chain to show a single input on screen.
+function make_simple_chain(input_deint, 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 wb_effect = chain:add_effect(WhiteBalanceEffect.new())
+       chain:finalize(hq)
 
--- A chain to show a single input on screen (LQ version).
-local simple_chain_lq = EffectChain.new(16, 9)
-local simple_chain_lq_input = simple_chain_lq:add_live_input(true)
-simple_chain_lq_input:connect_signal(0)  -- First input card. Can be changed whenever you want.
-local simple_chain_lq_wb_effect = simple_chain_lq:add_effect(WhiteBalanceEffect.new())
-simple_chain_lq:finalize(false)
+       return {
+               chain = chain,
+               input = input,
+               wb_effect = wb_effect
+       }
+end
+
+-- Make all possible combinations of single-input chains.
+local simple_chains = {}
+for input_type, input_deint in pairs({live = false, livedeint = true}) do
+       simple_chains[input_type] = {}
+       for _, hq in pairs({true, false}) do
+               simple_chains[input_type][hq] = make_simple_chain(input_deint, hq)
+       end
+end
 
 -- A chain to show a single static picture on screen (HQ version).
 local static_chain_hq = EffectChain.new(16, 9)
@@ -169,6 +185,17 @@ local static_chain_lq = EffectChain.new(16, 9)
 local static_chain_lq_input = static_chain_lq:add_effect(ImageInput.new("bg.jpeg"))
 static_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 signals:get_interlaced(signal_num) then
+               return "livedeint"
+       else
+               return "live"
+       end
+end
+
 -- 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()
@@ -363,18 +390,20 @@ end
 function get_chain(num, t, width, height, signals)
        if num == 0 then  -- Live.
                if live_signal_num == INPUT0_SIGNAL_NUM or live_signal_num == INPUT1_SIGNAL_NUM then  -- Plain input.
+                       local input_type = get_input_type(signals, live_signal_num)
+                       local chain = simple_chains[input_type][true]
                        prepare = function()
-                               simple_chain_hq_input:connect_signal(live_signal_num)
-                               set_neutral_color_from_signal(simple_chain_hq_wb_effect, live_signal_num)
+                               chain.input:connect_signal(live_signal_num)
+                               set_neutral_color_from_signal(chain.wb_effect, live_signal_num)
                        end
-                       return simple_chain_hq, prepare
+                       return chain.chain, prepare
                elseif live_signal_num == STATIC_SIGNAL_NUM then  -- Static picture.
                        prepare = function()
                        end
                        return static_chain_hq, prepare
                elseif live_signal_num == FADE_SIGNAL_NUM then  -- Fade.
-                       local input0_type = (fade_src_signal == STATIC_SIGNAL_NUM) and "static" or "live"
-                       local input1_type = (fade_dst_signal == STATIC_SIGNAL_NUM) and "static" or "live"
+                       local input0_type = get_input_type(signals, fade_src_signal)
+                       local input1_type = get_input_type(signals, fade_dst_signal)
                        local chain = fade_chains[input0_type][input1_type][true]
                        prepare = function()
                                if input0_type == "live" then
@@ -394,50 +423,63 @@ function get_chain(num, t, width, height, signals)
                end
 
                -- SBS code (live_signal_num == SBS_SIGNAL_NUM).
+               local input0_type = get_input_type(signals, INPUT0_SIGNAL_NUM)
+               local input1_type = get_input_type(signals, INPUT1_SIGNAL_NUM)
                if t > transition_end and zoom_dst == 1.0 then
                        -- Special case: Show only the single image on screen.
+                       local chain = simple_chains[input0_type][true]
                        prepare = function()
-                               simple_chain_hq_input:connect_signal(INPUT0_SIGNAL_NUM)
-                               set_neutral_color(simple_chain_hq_wb_effect, input0_neutral_color)
+                               chain.input:connect_signal(INPUT0_SIGNAL_NUM)
+                               set_neutral_color(chain.wb_effect, input0_neutral_color)
                        end
-                       return simple_chain_hq, prepare
+                       return chain.chain, prepare
                end
+               local chain = sbs_chains[input0_type][input1_type][true]
                prepare = function()
                        if t < transition_start then
-                               prepare_sbs_chain(main_chain_hq, zoom_src, width, height)
+                               prepare_sbs_chain(chain, zoom_src, width, height)
                        elseif t > transition_end then
-                               prepare_sbs_chain(main_chain_hq, zoom_dst, width, height)
+                               prepare_sbs_chain(chain, zoom_dst, width, height)
                        else
                                local tt = (t - transition_start) / (transition_end - transition_start)
                                -- Smooth it a bit.
                                tt = math.sin(tt * 3.14159265358 * 0.5)
-                               prepare_sbs_chain(main_chain_hq, zoom_src + (zoom_dst - zoom_src) * tt, width, height)
+                               prepare_sbs_chain(chain, zoom_src + (zoom_dst - zoom_src) * tt, width, height)
                        end
                end
-               return main_chain_hq.chain, prepare
+               return chain.chain, prepare
        end
        if num == 1 then  -- Preview.
                num = preview_signal_num + 2
        end
+
+       -- Individual preview inputs.
        if num == INPUT0_SIGNAL_NUM + 2 then
+               local input_type = get_input_type(signals, INPUT0_SIGNAL_NUM)
+               local chain = simple_chains[input_type][false]
                prepare = function()
-                       simple_chain_lq_input:connect_signal(0)
-                       set_neutral_color(simple_chain_lq_wb_effect, input0_neutral_color)
+                       chain.input:connect_signal(INPUT0_SIGNAL_NUM)
+                       set_neutral_color(chain.wb_effect, input0_neutral_color)
                end
-               return simple_chain_lq, prepare
+               return chain.chain, prepare
        end
        if num == INPUT1_SIGNAL_NUM + 2 then
+               local input_type = get_input_type(signals, INPUT1_SIGNAL_NUM)
+               local chain = simple_chains[input_type][false]
                prepare = function()
-                       simple_chain_lq_input:connect_signal(1)
-                       set_neutral_color(simple_chain_lq_wb_effect, input1_neutral_color)
+                       chain.input:connect_signal(INPUT1_SIGNAL_NUM)
+                       set_neutral_color(chain.wb_effect, input1_neutral_color)
                end
-               return simple_chain_lq, prepare
+               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, INPUT1_SIGNAL_NUM)
+               local chain = sbs_chains[input0_type][input1_type][false]
                prepare = function()
-                       prepare_sbs_chain(main_chain_lq, 0.0, width, height)
+                       prepare_sbs_chain(chain, 0.0, width, height)
                end
-               return main_chain_lq.chain, prepare
+               return chain.chain, prepare
        end
        if num == STATIC_SIGNAL_NUM + 2 then
                prepare = function()