Dear Oliver and Reimar, First of all, thank you for your responses. 2010/1/6 Reimar D?ffinger <Reimar.Doeffinger at gmx.de> > On Tue, Jan 05, 2010 at 05:41:34PM +0100, Kov?cs Zolt?n wrote: > > Looped playlists are welcome to be supported as well, i.e. on restarting > the > > playlist the marquee should not be restarted. On starting the marquee the > > scrolled text should come faded in and on stopping the marquee should be > > faded out. If the background of the movie definitely changes, then the > text > > color of the marquee should be automatically tuned to the background > color > > of the movie (calculated by some kind of average of the appearing set of > > colors). E.g. on white background black text should be displayed, but on > > black background white text should go. > > This definitely needs to be specified more clearly, the average certainly > would be a bad idea, also you completely missed to specify how the text > colour should relate to the detected "background colour", in particular > you don't want just the inverted colour, because that would give gray > writing on a gray background and pink on a green background (*shudder*). > And what if the background colour changes right in the middle or you have a > checkerboard pattern? > Usually the solution is to use white text with a black border or to overlay > a partially transparent white bar and use black text. > This is also an acceptable solution for me. > You also did not say whether it must be rendered on the video frames, can > be a separate overlay or whatever. In the later case just overlaying a > partially > transparent window without giving it any relation to MPlayer could be a > simpler > solution. > I also have an application which is capable for something like that, except that a solid background is used instead of transparency. It is written in python-gtk, using one of the demos as an example. But I did not think it is possible to define a partially transparent window. Is it possible under X? > > > My suggested syntax is as follows: > > > > --marqueefile [file] The name of the text file which contains the > > marquee > > --marqueefont [font] The X11 or trutype name of the used font > > --marquefontscale [percent] Scaling ratio for the used font > > --marqueemovies [list] Comma separated list of the movies which > must > > be captioned using marquee > > --marqueespeed [percent] Speed of the marquee > > --marqueypos [ypos] Vertical position of the marquee > > > > More marquees should be supported for a given run. For my purpose there > > should be 2 marquees: one for bottom and one for top. The different > marquees > > could be defined using multiple parameters. For example: > > > > mplayer -geometry 640x480 -playlist playlist.txt -loop 0\ > > --marqueefile marquee1.txt --marqueefont "-dejavu-dejavu > > sans-bold-r-condensed-*-30-*-*-*-*-*-iso8859-2" \ > > --marqueefontscale 100 --marqueemovies 1,2,3,6,7,8 --marqueespeed 50 > > --marqueeypos 0\ > > --marqueefile marquee2.txt --marqueefont "-dejavu-dejavu > > sans-bold-r-condensed-*-40-*-*-*-*-*-iso8859-2" \ > > --marqueefontscale 100 --marqueemovies 1,2,3,4,5,6,7,8 --marqueespeed > 100 > > --marqueeypos 440 > > Not unless you want to rewrite all argument parsing for no gain. > First, if you insist on the background detection you need to have access to > the image anyway, so a video filter would be a better option and you the > should use options for the video filter instead of spamming the global > option list, avoiding also the other issues with your suggested syntax: > - MPlayer does not use -- options, it only uses -, this introduces > inconsistency > for no gain > - If you put the marquee options in a config file there is no way to > disable that from the > commandline, since additional marquee options will only add a new one. > - above is the reason why an option given twice will override the previous > value, not do something else (ok, I admit -vf-add is an exception). > > Uh, and no I am not volunteering to implement anything (paid or not). > No problem. Thanks for your kind suggestions! ;-) Yours, Zoltan > _______________________________________________ > MPlayer-users mailing list > MPlayer-users at mplayerhq.hu > https://lists.mplayerhq.hu/mailman/listinfo/mplayer-users >
