On Fri, May 31, 2013 at 12:38 PM, j-b-m <j-...@users.sourceforge.net> wrote:
> On Friday 31 May 2013 11.28:44 Carl Karsten wrote:
>> #!/bin/bash -xe
>> I am trying to create some test files, and would like to render a text
>> file on a blue background.
>> (so that it is noticeable when it flips to a read background and the
>> noise stops .. like to testi AV sync.)
>>
>> This is what I tried, but I get white source.txt on black, then #frame# on
>> blue.
>>
>> If it takes more then a min or two to figure out how to do what I
>> want, I can dig up some red_blue.mlt xml that should work, but for bug
>> reports I would like as simple as possible.
>
> Hi,
>
> 2 possible approaches. If you want a blue background, you can use the
> "bgcolour" property of the pango producer:
>
> (note that instead of a .txt file you can use "+" to directly output text:
>
> melt +hello.txt bgcolour=blue
>
> will output hello on a blue background, but the aspect ratio of the background
> sometimes needs adjustment.
>
> Otherwise, using your 2 tracks way, you need to add a transition to see the
> blue background track:
>
> melt color:blue -track +hello.txt -transition composite always_active=1
> halign=centre valign=centre
>
>

perfect - thanks a bunch.

another quickie...
does something (pango?) look at the file name ext to figure out how to
decode it?

I tried to swap source.txt with $0, but then I just get white on white.



-- 
Carl K

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