end
-- Called every frame.
-function get_transitions()
- return {"Cut", "Fade", "Zoom!"}
+function get_transitions(t)
+ -- If live is 2 (SBS) but de-facto single, make it so.
+ if live_signal_num == 2 and t >= zoom_end and zoom_dst == 1.0 then
+ live_signal_num = 0
+ end
+
+ if live_signal_num == preview_signal_num then
+ return {}
+ end
+
+ if live_signal_num == 2 and t >= zoom_start and t <= zoom_end then
+ -- Zoom in progress.
+ return {"Cut"}
+ end
+
+ if (live_signal_num == 0 and preview_signal_num == 1) or
+ (live_signal_num == 1 and preview_signal_num == 0) then
+ return {"Cut"}
+ end
+
+ if live_signal_num == 2 and preview_signal_num == 1 then
+ -- Zoom-out not supported here yet.
+ return {"Cut"}
+ end
+
+ if live_signal_num == 2 and preview_signal_num == 0 then
+ return {"Cut", "Zoom in"}
+ elseif live_signal_num == 0 and preview_signal_num == 2 then
+ return {"Cut", "Zoom out"}
+ end
+
+ return {"Cut"}
end
function transition_clicked(num, t)
- -- local temp = live_signal_num
- -- live_signal_num = preview_signal_num
- -- preview_signal_num = temp
+ if num == 0 then
+ -- Cut.
+ local temp = live_signal_num
+ live_signal_num = preview_signal_num
+ preview_signal_num = temp
+
+ if live_signal_num == 2 then
+ -- Just cut to SBS, we need to reset any zooms.
+ zoom_src = 1.0
+ zoom_dst = 0.0
+ zoom_start = -2.0
+ zoom_end = -1.0
+ end
+ elseif num == 1 then
+ -- Zoom.
+
+ -- If live is 2 (SBS) but de-facto single, make it so.
+ if live_signal_num == 2 and t >= zoom_end and zoom_dst == 1.0 then
+ live_signal_num = 0
+ end
+
+ if live_signal_num == preview_signal_num then
+ -- Nothing to do.
+ return
+ end
+
+ if (live_signal_num == 0 and preview_signal_num == 1) or
+ (live_signal_num == 1 and preview_signal_num == 0) then
+ -- We can't zoom between these. Just make a cut.
+ io.write("Cutting from " .. live_signal_num .. " to " .. live_signal_num .. "\n")
+ local temp = live_signal_num
+ live_signal_num = preview_signal_num
+ preview_signal_num = temp
+ return
+ end
- zoom_start = t
- zoom_end = t + 1.0
+ if live_signal_num == 2 and preview_signal_num == 1 then
+ io.write("NOT SUPPORTED YET\n")
+ return
+ end
- local temp = zoom_src
- zoom_src = zoom_dst
- zoom_dst = temp
+ if live_signal_num == 2 and preview_signal_num == 0 then
+ -- Zoom in from SBS to single.
+ zoom_start = t
+ zoom_end = t + 1.0
+ zoom_src = 0.0
+ zoom_dst = 1.0
+ preview_signal_num = 2
+ elseif live_signal_num == 0 and preview_signal_num == 2 then
+ -- Zoom out from single to SBS.
+ zoom_start = t
+ zoom_end = t + 1.0
+ zoom_src = 1.0
+ zoom_dst = 0.0
+ preview_signal_num = 0
+ live_signal_num = 2
+ end
+ end
end
-function channel_clicked(num, t)
- -- Presumably change the preview here.
- io.write("STUB: channel_clicked\n")
+function channel_clicked(num)
+ preview_signal_num = num
end
-- 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
--- in the bottom bar, and so on up to num_channels()+1. t is the
+-- 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
-- the output, although you can ignore them if you don't need them
-- (they're useful if you want to e.g. know what to resample by).
-- if and only if num==0.
function get_chain(num, t, width, height)
if num == 0 then -- Live.
+ if live_signal_num == 0 or live_signal_num == 1 then -- Plain inputs.
+ prepare = function()
+ simple_chain_hq_input:connect_signal(live_signal_num)
+ end
+ return simple_chain_hq, prepare
+ end
+
+ -- SBS code (live_signal_num == 2).
if t > zoom_end and zoom_dst == 1.0 then
-- Special case: Show only the single image on screen.
prepare = function()
- simple_chain_hq_input:connect_signal(live_signal_num)
+ simple_chain_hq_input:connect_signal(0)
end
return simple_chain_hq, prepare
end
return main_chain_hq.chain, prepare
end
if num == 1 then -- Preview.
- prepare = function()
- simple_chain_lq_input:connect_signal(preview_signal_num)
- end
- return simple_chain_lq, prepare
+ num = preview_signal_num + 2
end
if num == 2 then
prepare = function()
end
function prepare_sbs_chain(chain, t, screen_width, screen_height)
- chain.input0.input:connect_signal(live_signal_num)
+ chain.input0.input:connect_signal(0)
chain.input1.input:connect_signal(1)
-- First input is positioned (16,48) from top-left.
projects / nageru / blobdiff