On Friday 31 May 2013 13.32:35 Carl Karsten wrote: > 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.
Yes, the loader producer matches the extension with the list that is installed at $INSTALL_PREFIX/share/mlt/core/loader.dict If no match is found, it defaults to the avformat producer. You can force a producer by specifying it at the command line: melt pango:+hello regards jb ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite It's a free troubleshooting tool designed for production Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://p.sf.net/sfu/appdyn_d2d_ap2 _______________________________________________ Mlt-devel mailing list Mlt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mlt-devel