From: Wim Taymans <wtaymans@redhat.com>
Date: Sat, 1 Nov 2014 11:58:01 +0000 (+0100)
Subject: video-scaler: handle 4tap interlaced
X-Git-Tag: 1.6.0~882
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=45462d2ea4a5bbbdec02cd0c4c3a35eb2f0f48c8;p=platform%2Fupstream%2Fgst-plugins-base.git

video-scaler: handle 4tap interlaced
---

diff --git a/gst-libs/gst/video/video-scaler.c b/gst-libs/gst/video/video-scaler.c
index 188f7af..7773a4f 100644
--- a/gst-libs/gst/video/video-scaler.c
+++ b/gst-libs/gst/video/video-scaler.c
@@ -523,7 +523,7 @@ video_scale_v_4tap_8888 (GstVideoScaler * scale,
 {
   gint max_taps;
   guint32 *s1, *s2, *s3, *s4, *d;
-  gint p1, p2, p3, p4;
+  gint p1, p2, p3, p4, src_inc;
   gint16 *taps;
 
   if (scale->taps_s16 == NULL)
@@ -536,11 +536,16 @@ video_scale_v_4tap_8888 (GstVideoScaler * scale,
   max_taps = scale->resampler.max_taps;
   taps = scale->taps_s16 + dest_offset * max_taps;
 
+  if (scale->flags & GST_VIDEO_SCALER_FLAG_INTERLACED)
+    src_inc = 2;
+  else
+    src_inc = 1;
+
   d = (guint32 *) dest;
-  s1 = (guint32 *) srcs[0];
-  s2 = (guint32 *) srcs[1];
-  s3 = (guint32 *) srcs[2];
-  s4 = (guint32 *) srcs[3];
+  s1 = (guint32 *) srcs[0 * src_inc];
+  s2 = (guint32 *) srcs[1 * src_inc];
+  s3 = (guint32 *) srcs[2 * src_inc];
+  s4 = (guint32 *) srcs[3 * src_inc];
   p1 = taps[0];
   p2 = taps[1];
   p3 = taps[2];