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vo: add --video-recenter #15320

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This resets --video-align-x and --video-align-y to 0 when the video becomes smaller than the OSD in the respective direction, e.g. by zooming out.

Unlike doing this by observing osd-dimensions in a script, this is done before rerendering, so you don't see the image being rendered not centered for an instant after zooming out before being rerendered centered.

Defaults to yes.

video/out/vo.c Outdated
if (!vo->params || !vo->opts->recenter)
return;

struct MPContext *mpctx = (struct MPContext *)vo->extra.wakeup_ctx;
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VO shouldn't access mpctx. It's for main player thread only.

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How can se signal the property notifications?

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It shouldn't

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Shouldn't what?

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How can se signal the property notifications?

These options are part of the VO sub option so they can be updated with config cache. window-maximized etc are updated in this way in VO implementations.

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Thanks, done.

@guidocella guidocella force-pushed the video-recenter branch 2 times, most recently from d2662c3 to 62dd0a5 Compare November 16, 2024 17:25
This resets --video-align-x and --video-align-y to 0 when the video
becomes smaller than the OSD in the respective direction, e.g. by
zooming out.

Unlike doing this by observing osd-dimensions in a script, this is done
before rerendering, so you don't see the image being rendered uncentered
for an instant after zooming out, before being rerendered centered.

Defaults to yes.
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3 participants