Stop changing video rates unneededly; it causes frequent wakeups.

[ultimatescore] / nageru / ultimate.lua

diff --git a/nageru/ultimate.lua b/nageru/ultimate.lua
index bafd8189b96818f9e33c29e0fd4919bf5928f9fa..586b36d7223cb0b29fc6de1d24dd85aa4d45fa55 100644 (file)
--- a/nageru/ultimate.lua
+++ b/nageru/ultimate.lua
@@ -51,6 +51,8 @@ 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)
+
 function reload_cef()
        cef_input:reload()
        cef_input:execute_javascript_async("play()")
@@ -101,7 +103,7 @@ function make_fade_input(chain, signal, live, deint, scale)
                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
 
@@ -217,13 +219,16 @@ end
 function make_sbs_chain(input0_type, input0_overlay, input1_type, hq)
        local chain = EffectChain.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)
 
-       input0.padding_effect:set_vec4("border_color", 0.0, 0.0, 0.0, 1.0)
+       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)
 
-       chain:add_effect(OverlayEffect.new(), input0.padding_effect, input1.padding_effect)
+       local i0 = chain:add_effect(OverlayEffect.new(), bg, input0.padding_effect)
+       chain:add_effect(OverlayEffect.new(), i0, input1.padding_effect)
        chain:finalize(hq)
 
        return {
@@ -292,7 +297,7 @@ 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("tfk_pause.png"))
+       local chain_input = chain:add_effect(ImageInput.new(cef_path .. "/nageru/dsn-bg.png"))
 
        chain:finalize(hq)
        return {
@@ -688,6 +693,8 @@ function get_sbs_chain(signals, t, width, height, input_resolution)
        return sbs_chains[input0_type][overlay_enabled][input1_type][true]
 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
@@ -740,6 +747,21 @@ function get_chain(num, t, width, height, signals)
        end
        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
+               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)
@@ -874,10 +896,9 @@ function prepare_sbs_chain(chain, t, transition_type, src_signal, dst_signal, sc
        set_neutral_color(chain.input0.wb_effect, neutral_colors[1])
        set_neutral_color(chain.input1.wb_effect, neutral_colors[5])
 
-       -- First input is positioned (16,48) from top-left.
-       -- Second input is positioned (16,48) from the bottom-right.
-       local pos0 = pos_from_top_left(16, 48, 848, 477, screen_width, screen_height)
-       local pos1 = pos_from_top_left(1280 - 384 - 16, 720 - 216 - 48, 384, 216, screen_width, screen_height)
+       -- 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