Re: [Libxine-java-devel] Capabilities and future

[Kristian L. L. <wa...@pa...>]

Hey Matthias
Thanx, i'll try this out. I'll probably try to write some wrapper
classes for this.

BTW: This is the first time i'm writing to mail-lists, so i hope i send
the mails right.

thanx
walker

Matthias Ringwald skrev:
> Hi Kristian
>
> On Sep 22, 2008, at 8:43 PM, Kristian Lindemann Larsen wrote:
>
>> Hey.
>> I'm thinking about trying to write a simple linux-based mediacenter in
>> java.
> That's the exact reason why I started libxine-java... 
>
>> I've made some early tests with libxine-java, and made video play.
> Fine. 
>
>> What I was wondering is, if there is (or is planned) to be able to do
>> OSD?
> libxine-java basically wraps the complete xine-lib. xine-lib contains
> support for OSD. See the section of their hacker guide
> at http://xinehq.de/index.php/hackersguide#OSD
> I just tried the example and it works both in a simple C application
> and in Java (I never tried the OSD before). The only catch is that the
> documented API is not available to user applications, but function
> with similar exists as xine_osd_...  For a quick test, just add this
> code before calling controller.playOnce():
>
>        // xine.h constants not provided by libxine-java (yet)
>         final int TEXTPALETTE_WHITE_BLACK_TRANSPARENT = 0;
>         final int TEXTPALETTE_WHITE_NONE_TRANSLUCID   = 3;
>         final int OSD_TEXT1 = 0 * 11;
>         final int OSD_TEXT2 = 1 * 11;
>
>         // used in this example
>         final int width = 320;
>         final int height = 240;
>
>         
>
>         // get xine stream
>     SWIGTYPE_p_xine_stream_s stream = controller.getNativeStream();
>     SWIGTYPE_p_xine_osd_s osd = XineLib.xine_osd_new(stream, 0, 0,
> width, height);
>
>         /* set sans serif 24 font */
>         XineLib.xine_osd_set_font( osd, "sans", 24);
>
>         
>
>         /* copy pre-defined colors for white, black border,
> transparent background to
>            starting at the index used by the first text palette */
>         XineLib.xine_osd_set_text_palette(osd,
> TEXTPALETTE_WHITE_BLACK_TRANSPARENT, OSD_TEXT1);
>
>         
>
>         /* copy pre-defined colors for white, no border, translucid
> background to
>            starting at the index used by the second text palette */
>         XineLib.xine_osd_set_text_palette(osd,
> TEXTPALETTE_WHITE_NONE_TRANSLUCID, OSD_TEXT2);
>
>         XineLib.xine_osd_draw_text(osd, 0, 100, "white text, black
> border", OSD_TEXT1);
>         XineLib.xine_osd_draw_text(osd, 0, 130, "white text, no
> border", OSD_TEXT2);
>
>         XineLib.xine_osd_draw_line(osd, 0, 0,  width-1, height-1, 10);
>         XineLib.xine_osd_draw_line(osd, width-1, 0, 0 , height-1, 10);
>
>         
>
>         XineLib.xine_osd_show(osd, 0); /* 0 stands for 'now' */
>
>
> As this works fine, I will add a org.libxine.OSD class that provide an
> object-oriented API and makes the calls simpler, e.g.,
> XineLib.xine_osd_show(osd,..) -> osd.show(..)
>
> good luck with your project,
> Matthias