[vlc-devel] Split video output with LibVLC

[Rémi Denis-Courmont]

Le 21 octobre 2022 16:45:59 GMT+03:00, Tobias Rapp <t.rapp at noa-archive.com> a écrit :
>Hi,
>
>I'm currently trying to integrate LibVLC into one of my native Windows applications. Passing in a window handle via libvlc_media_player_set_hwnd() and starting playback works fine.
>
>Now I'd like to send video to two outputs simultaneously: Once to the window handle and another, scaled-down version to some callback handler for other visualization controls within the application.
>
>Is it possible to use libvlc_media_player_set_hwnd() and something similar to libvlc_video_set_callbacks() at the same time, where only the output sent to the callbacks is processed by some resize filter?
>
>Best regards,
>Tobias
>
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Hi,

This is not possible currently. You need to use callbacks for all tracks, which is inefficient but at least it works.

Or then you need to modify LibVLC.