return 4
end
--- Helper function to write e.g. “720p”.
+-- Helper function to write e.g. “60” or “59.94”.
+function get_frame_rate(signal_num)
+ local nom = last_resolution[signal_num].frame_rate_nom
+ local den = last_resolution[signal_num].frame_rate_den
+ if last_resolution[signal_num].interlaced then
+ nom = nom * 2
+ end
+ if nom % den == 0 then
+ return nom / den
+ else
+ return string.format("%.2f", num / den)
+ end
+end
+
+-- Helper function to write e.g. “720p60”.
function get_channel_resolution(signal_num)
if last_resolution[signal_num] then
if last_resolution[signal_num].height == 0 or
last_resolution[signal_num].height == 525 then
return "no signal"
elseif last_resolution[signal_num].interlaced then
- return (last_resolution[signal_num].height * 2) .. "i"
+ return (last_resolution[signal_num].height * 2) .. "i" .. get_frame_rate(signal_num)
else
- return last_resolution[signal_num].height .. "p"
+ return last_resolution[signal_num].height .. "p" .. get_frame_rate(signal_num)
end
else
return "no signal"
last_resolution[signal_num] = {
width = signals:get_width(signal_num),
height = signals:get_height(signal_num),
- interlaced = signals:get_interlaced(signal_num)
+ interlaced = signals:get_interlaced(signal_num),
+ frame_rate_nom = signals:get_frame_rate_nom(signal_num),
+ frame_rate_den = signals:get_frame_rate_den(signal_num)
}
end