1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
dalosp.limiter = {
configure = function (self)
local accept, limit = iup.GetParam(self.name .. " configuration", nil, [[
Limit: %i{The actual size this limiter is going to produce}
]], self.op or 0, self.maximize and 1 or 0)
if accept then
self.extra.limit = limit
self:input_change()
end
end,
get_settings = function (self)
return { limit = self.extra.limit }
end,
input_change = function (self, ind)
local h = self:get_linked_input(1)
if h then
self.color = cd.GREEN
local obj = {
h = h,
size = math.min(h:getsize(), self.extra.limit),
getname = function () return self.name end,
do_read = function (self, count, userdata)
return self.h:read(count, userdata)
end,
do_seek = function (self)
self.h:seek(self.offset, SEEK_SET)
end,
}
self:set_houtput(dalos.luahandle(obj))
self.dcanvas:draw()
else
self.color = cd.YELLOW
self:set_houtput(nil)
self.dcanvas:draw()
end
end,
create = function (d, tab, settings)
tab.ninputs = 1
tab.noutputs = 1
tab.otype = dalos.objtype.LUA_FILTER
tab.configure = dalosp.limiter.configure
tab.input_change = dalosp.limiter.input_change
tab.default_name = "Limiter"
tab.ntype = "Limiter"
tab.get_settings = dalosp.limiter.get_settings
local extra = { }
if not settings then settings = {} end
extra.limit = settings.limit or 0
local obj = dalos.object(d, tab, extra)
return obj
end,
}
dalos.limiter = dalosp.limiter.create
dalos:register_obj("Limiter", dalos.limiter, "Basic Filters")
|