[Lazarus] Play video from memory

[aradeonas]

Leonardo,

Im not familiar with Mplayer but take a look at here:
http://wiki.freepascal.org/TMPlayerControl And in MPlayerCtrl unit line
665 it just pass handle.

Do you have opinion about how to pass memory stream?

Regards, Ara

On Fri, Mar 6, 2015, at 07:41 AM, Leonardo M. Ramé wrote:
> To embed mplayer into a window you must know its ID. Window IDs have a
> relation with the WindowHandle, but that value must be somehow
> "translated" to be understood by X11 (or Windows). I don't know how to
> translate it :(.
>
> For example, If I use Format('%x', [Self.WindowHandle]) I get the Hex
> value BB5380, then, using the wininfo tool I can get the ID. Just run
> xwininfo and click on the window you want to embed mplayer into.
>
> In my example I got:
>
> xwininfo: Window id: 0x2800048 "BB5380"
>
>    Absolute upper-left X: 662 Absolute upper-left Y: 270 Relative
>    upper-left X: 1 Relative upper-left Y: 24 Width: 320 Height: 240
>    Depth: 24 Visual: 0x20 Visual Class: TrueColor Border width: 0
>    Class: InputOutput Colormap: 0x22 (installed) Bit Gravity State:
>    NorthWestGravity Window Gravity State: NorthWestGravity Backing
>    Store State: NotUseful Save Under State: no Map State: IsViewable
>    Override Redirect State: no Corners: +662+270 -1744+270 -1744-258
>    +662-258 -geometry 320x240+661+246
>
> As you can see, the first line displays the same Hex number I get from
> Lazarus, and 0x2800048, this is the value mplayer expects.
>
> So, to embed a movie into a window, when you know the window Id, you
> just launch mplayer using this options:
>
> mplayer -wid 0x2800048
> /home/leonardo/Imágenes/Fotos/2009/11/21/mvi_0260.avi
>
> Please, if any you know how to translate BB5380 to 0x2800048 I'll be
> glad to learn.
>
> El 05/03/15 a las 18:51, Philippe Lévi escibió:
> > and you know how to tell MPLAYER to show the video in a specific
> > window? (using WINDOWS, and glutCreateWindow).
> >
> > thanks Philippe
> >
> > ________________________________________
> > De: "Leonardo M. Ramé" <l.rame at griensu.com> Enviado: quinta-feira, 5
> > de março de 2015 17:44 Para: lazarus at lists.lazarus.freepascal.org
> > Assunto: Re: [Lazarus] Play video from memory
> >
> > Yes, you can!.
> >
> > 1) Load your Video to a TStream (TMemoryStream for example).
> > 2) Use TProcess to execute "mplayer -", the "-" is the parameter.
> > 3) Send your stream to the standard input of the process.
> >
> >
> > El 05/03/15 a las 16:45, aradeonas escibió:
> >> Thank you Leonardo,
> >>
> >> I saw it before but it doesn't seem there is a way to pass memory
> >> to it or I couldn't find out how. Do you know?
> >>
> >> Regards, Ara
> >>
> >> On Thu, Mar 5, 2015, at 11:40 AM, Leonardo M. Ramé wrote:
> >>> It looks like MPlayer can do this:
> >>> http://www.mplayerhq.hu/DOCS/HTML/en/streaming.html
> >>>
> >>> El 04/03/15 a las 13:29, aradeonas escibió:
> >>>> Hi,
> >>>>
> >>>> Any one know a library or way to buffer video file into memory
> >>>> and then pass it to player? Any simple player do the job but it
> >>>> should support a way to open file from memory.
> >>>>
> >>>> Regards, Ara
> >>>>
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