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
61
62
63
|
%ifdef video.add_text.gd
# Add a scrolling line of text on video frames.
# @category Source / Video Processing
# @param ~id Force the value of the source ID.
# @param ~color Text color (in 0xRRGGBB format).
# @param ~cycle Cycle text.
# @param ~font Path to ttf font file.
# @param ~metadata Change text on a particular metadata \
# (empty string means disabled).
# @param ~size Font size.
# @param ~speed Speed in pixels per second (0 means no scrolling).
# @param ~x x offset (negative means from right).
# @param ~y y offset (negative means from bottom).
# @param text Text to display.
def video.add_text(~id="",~color=16777215,~cycle=true,
~font=configure.default_font,
~metadata="",~size=18,~speed=70,~x=-1,~y=-5,
text,source)
video.add_text.gd(id=id,color=color,cycle=cycle,font=font,metadata=metadata,
size=size,speed=speed,x=x,y=y,text,source)
end
%endif
%ifdef video.add_text.sdl
# Add a scrolling line of text on video frames.
# @category Source / Video Processing
# @param ~id Force the value of the source ID.
# @param ~color Text color (in 0xRRGGBB format).
# @param ~cycle Cycle text.
# @param ~font Path to ttf font file.
# @param ~metadata Change text on a particular metadata \
# (empty string means disabled).
# @param ~size Font size.
# @param ~speed Speed in pixels per second (0 means no scrolling).
# @param ~x x offset (negative means from right).
# @param ~y y offset (negative means from bottom).
# @param text Text to display.
def video.add_text(~id="",~color=16777215,~cycle=true,
~font=configure.default_font,
~metadata="",~size=18,~speed=70,~x=-1,~y=-5,
text,source)
video.add_text.sdl(id=id,color=color,cycle=cycle,font=font,metadata=metadata,
size=size,speed=speed,x=x,y=y,text,source)
end
%endif
# Add a static image on the first video channel.
# @category Source / Video Processing
# @param ~id Force the value of the source ID.
# @param ~width Scale to width (zero means frame width, negative means original width).
# @param ~height Scale to height (zero means frame height, negative means original height).
# @param ~x x position.
# @param ~y y position.
# @param ~file Path to the image file.
def video.add_image(~id="",~width=0,~height=0,~x=max_int(),~y=max_int(),~file,s)
width = if width == 0 then "" else "width=#{width}" end
height = if height == 0 then "" else "height=#{height}" end
x = if x == max_int() then "" else "x=#{x}" end
y = if y == max_int() then "" else "y=#{y}" end
image = single(id=id,"annotate:#{width},#{height},#{x},#{y}:#{file}")
image = mux_audio(audio=blank(), image)
add([s,image])
end
|
