videoscaler: remove check for below zero for unsigned value

CLAMP checks both if value is '< 0' and '> max'. Value will never be a negative
number since it is a division of an unsigned integer (i). Removing that check
and only checking if it is bigger than max and setting it appropriately.

CID #1308950

diff --git a/gst-libs/gst/video/video-scaler.c b/gst-libs/gst/video/video-scaler.c
index 4bc156c..6b06c1d 100644 (file)
--- a/gst-libs/gst/video/video-scaler.c
+++ b/gst-libs/gst/video/video-scaler.c
@@ -1145,12 +1145,12 @@ gst_video_scaler_combine_packed_YUV (GstVideoScaler * y_scale,
     gint ic;
 
     if ((i & 1) == scale->out_y_offset) {
-      ic = CLAMP (i / 2, 0, y_scale->resampler.out_size - 1);
+      ic = MIN (i / 2, y_scale->resampler.out_size - 1);
       offset[i] = y_scale->resampler.offset[ic] * 2 + scale->in_y_offset;
       memcpy (taps + i * max_taps, y_scale->resampler.taps +
           y_scale->resampler.phase[ic] * max_taps, max_taps * sizeof (gdouble));
     } else {
-      ic = CLAMP (i / 4, 0, uv_scale->resampler.out_size - 1);
+      ic = MIN (i / 4, uv_scale->resampler.out_size - 1);
       offset[i] = uv_scale->resampler.offset[ic] * 4 + (i & 3);
       memcpy (taps + i * max_taps, uv_scale->resampler.taps +
           uv_scale->resampler.phase[ic] * max_taps,