[vlc-devel] Combining Decode & Scale / Convert?

[Rémi Denis-Courmont]

Hello,

The decoder can rescale and convert to whatever it sees fit. But it cannot get the window size. That's not even known at the time of decoding, since the window can be resized asynchronously or even while paused.

Le 21 juin 2018 16:53:42 GMT+01:00, John Cox <jc at kynesim.co.uk> a écrit :
>Hi All
>
>I'm working on updating the mmal module for the Raspberry Pi (as it
>stands it doesn't compile - though that is an easy fix).  I'm new to
>VLC
>so please bear with me.
>
>The Pi h/w has a converter/scaler, and I can probably make it work as a
>separate module but it is noticably more efficient both in memory
>(video
>buffers) and speed to have it directly attached to the decoder.  Is
>there any way of routing video filter resize/format requests to the
>decoder so it can produce the wanted display picture buffer format
>directly?
>
>I have read the wiki pages on writing filter modules, but if there are
>modules that already do this or other things I should read that answer
>my question please point me at them.
>
>Many thanks
>
>JC
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