From: Wim Taymans <wtaymans@redhat.com>
Date: Fri, 31 Oct 2014 09:38:15 +0000 (+0100)
Subject: video-converter: clamp output lines
X-Git-Tag: 1.6.0~889
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=308d21c71f12f9546b3197e03a4288509287d76c;p=platform%2Fupstream%2Fgst-plugins-base.git

video-converter: clamp output lines
---

diff --git a/gst-libs/gst/video/video-converter.c b/gst-libs/gst/video/video-converter.c
index edcf67c..9099cab 100644
--- a/gst-libs/gst/video/video-converter.c
+++ b/gst-libs/gst/video/video-converter.c
@@ -1273,8 +1273,11 @@ do_vscale_lines (GstLineCache * cache, gint line, GstVideoConverter * convert)
 {
   gpointer *lines, destline;
   guint sline, n_lines;
+  guint cline;
+
+  cline = CLAMP (line, 0, convert->out_height - 1);
 
-  gst_video_scaler_get_coeff (convert->v_scaler, line, &sline, &n_lines);
+  gst_video_scaler_get_coeff (convert->v_scaler, cline, &sline, &n_lines);
   lines = gst_line_cache_get_lines (convert->vscale_lines, sline, n_lines);
 
   destline = get_temp_line (convert, convert->out_x);
@@ -1283,7 +1286,7 @@ do_vscale_lines (GstLineCache * cache, gint line, GstVideoConverter * convert)
    * to be careful to not do in-place modifications later */
   GST_DEBUG ("vresample line %d %d-%d", line, sline, sline + n_lines - 1);
   gst_video_scaler_vertical (convert->v_scaler, GST_VIDEO_FORMAT_AYUV,
-      lines, destline, line, convert->v_scale_width);
+      lines, destline, cline, convert->v_scale_width);
 
   gst_line_cache_add_line (cache, line, destline);