MLT's sdl module does not support multiple windows because X11 and SDL do
not support multiple threads, and each consumer makes its own thread. You
can see there is also a problem that your audio device does not support
multiple opens and mixing. You would have to write a custom app that can
manage and draw to the multiple windows and upon receiving frames from MLT.
Melted is designed for broadcast television where SDL and X11 does not
typically a provide a good enough quality of output.
On Tue, Oct 4, 2016 at 8:25 AM Ricardo Jimenez Hurtado <
jimenezhurtadorica...@gmail.com> wrote:
> Hello everybody
>
> i want to start with melted and i need multiple output via SDL, I and try
> this configuracion
>
> uadd sdl_preview:640x360
> uadd sdl_preview:640x360
>
> load u0 test.mov
> play u0
> load u1 test2.mov
> play u1
>
> and I have received this error
>
> [consumer sdl] SDL failed to open audio: Audio device is already opened
> [xcb] Unknown request in queue while dequeuing
> [xcb] Most likely this is a multi-threaded client and XInitThreads has not
> been called
> [xcb] Aborting, sorry about that.
> melted: ../../src/xcb_io.c:179: dequeue_pending_request: La declaración
> `!xcb_xlib_unknown_req_in_deq' no se cumple.
>
> How can i send two diferent screens
>
> thanks for all
>
> Best regards
>
> --
> Ricardo Jiménez Hurtado
> Dpto. Técnico Comercial
> DCT Instalacionesuadd sdl_preview:480x240
> uadd sdl:480x240
>
>
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