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videoscale: use simpler scaling method for small images

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=633837
This commit is contained in:
David Schleef 2011-04-23 12:44:50 -07:00 committed by Tim-Philipp Müller
parent 2ccd243d55
commit 8264d59aab
1 changed files with 8 additions and 0 deletions
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8
gst/videoscale/gstvideoscale.c
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@ -1022,6 +1022,14 @@ gst_video_scale_transform (GstBaseTransform * trans, GstBuffer * in,
add_borders = videoscale->add_borders;
GST_OBJECT_UNLOCK (videoscale);
if (videoscale->from_width == 1) {
method = GST_VIDEO_SCALE_NEAREST;
}
if (method == GST_VIDEO_SCALE_4TAP &&
(videoscale->from_width < 4 || videoscale->from_height < 4)) {
method = GST_VIDEO_SCALE_BILINEAR;
}
gst_video_scale_setup_vs_image (&src, videoscale->format, 0,
videoscale->from_width, videoscale->from_height, 0, 0,
GST_BUFFER_DATA (in));