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videoscale: Choose the best dimensions for fixed PAR

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We might not get an exact match for width or height if stepped ranges
are involved.
This commit is contained in:
Jan Alexander Steffens (heftig) 2019-01-09 14:24:35 +01:00 committed by Sebastian Dröge
parent 21d34edb1e
commit 89519e8809
1 changed files with 7 additions and 3 deletions
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10
gst/videoscale/gstvideoscale.c
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@ -978,10 +978,14 @@ gst_video_scale_fixate_caps (GstBaseTransform * base, GstPadDirection direction,
goto done;
}
/* If all this failed, keep the height that was nearest to the orignal
* height and the nearest possible width. This changes the DAR but
* there's not much else to do here.
/* If all this failed, keep the dimensions with the DAR that was closest
* to the correct DAR. This changes the DAR but there's not much else to
* do here.
*/
if (set_w * ABS (set_h - h) < ABS (f_w - w) * f_h) {
f_h = set_h;
f_w = set_w;
}
gst_structure_set (outs, "width", G_TYPE_INT, f_w, "height", G_TYPE_INT,
f_h, NULL);
goto done;