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authorStefan Kost <ensonic@users.sf.net>2009-07-21 17:48:33 +0300
committerStefan Kost <ensonic@users.sf.net>2009-07-21 17:52:33 +0300
commit43657ef1f3aa85f7e5dbce57681181da4c049b96 (patch)
tree0689db03395bc75a128b91def04515ef8549336a
parentb3753116d22f90a992f6ec8b4a876faca3a3ebfc (diff)
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camerabin: small speedup in software zoom
Force crop on even pixel position to avoid slowpath in crop & scale.
-rw-r--r--gst/camerabin/gstcamerabin.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/gst/camerabin/gstcamerabin.c b/gst/camerabin/gstcamerabin.c
index 50f863d3..22a33477 100644
--- a/gst/camerabin/gstcamerabin.c
+++ b/gst/camerabin/gstcamerabin.c
@@ -1031,6 +1031,10 @@ gst_camerabin_set_element_zoom (GstCameraBin * camera, gint zoom)
if (zoom != ZOOM_1X) {
w2_crop = (camera->width - (camera->width * ZOOM_1X / zoom)) / 2;
h2_crop = (camera->height - (camera->height * ZOOM_1X / zoom)) / 2;
+
+ /* force number of pixels cropped from left to be even, to avoid slow code
+ * path on videoscale */
+ w2_crop &= 0xFFFE;
}
pad_zoom_sink = gst_element_get_static_pad (camera->src_zoom_crop, "sink");