replace random with fastrand

unit_test/scale_test.cc

 /*
  *  Copyright 2011 The LibYuv Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS. All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 25 matching lines @@
   int src_stride_y = b * 2 + Abs(src_width);
   int src_stride_uv = b * 2 + src_width_uv;
 
   align_buffer_page_end(src_y, src_y_plane_size)
   align_buffer_page_end(src_u, src_uv_plane_size)
   align_buffer_page_end(src_v, src_uv_plane_size)
   if (!src_y || !src_u || !src_v) {
     printf("Skipped.  Alloc failed " FILELINESTR(__FILE__, __LINE__) "\n");
     return 0;
   }
-  srandom(time(NULL));
   MemRandomize(src_y, src_y_plane_size);
   MemRandomize(src_u, src_uv_plane_size);
   MemRandomize(src_v, src_uv_plane_size);
 
   int dst_width_uv = (dst_width + 1) >> 1;
   int dst_height_uv = (dst_height + 1) >> 1;
 
   int64 dst_y_plane_size = (dst_width + b * 2) * (dst_height + b * 2);
   int64 dst_uv_plane_size = (dst_width_uv + b * 2) * (dst_height_uv + b * 2);
 
@@ skipping 107 matching lines @@
   align_buffer_page_end(src_y, src_y_plane_size)
   align_buffer_page_end(src_u, src_uv_plane_size)
   align_buffer_page_end(src_v, src_uv_plane_size)
   align_buffer_page_end(src_y_16, src_y_plane_size * 2)
   align_buffer_page_end(src_u_16, src_uv_plane_size * 2)
   align_buffer_page_end(src_v_16, src_uv_plane_size * 2)
   uint16* p_src_y_16 = reinterpret_cast<uint16*>(src_y_16);
   uint16* p_src_u_16 = reinterpret_cast<uint16*>(src_u_16);
   uint16* p_src_v_16 = reinterpret_cast<uint16*>(src_v_16);
 
-  srandom(time(NULL));
   MemRandomize(src_y, src_y_plane_size);
   MemRandomize(src_u, src_uv_plane_size);
   MemRandomize(src_v, src_uv_plane_size);
 
   for (i = b; i < src_height + b; ++i) {
     for (j = b; j < src_width + b; ++j) {
       p_src_y_16[(i * src_stride_y) + j] = src_y[(i * src_stride_y) + j];
     }
   }
 
@@ skipping 172 matching lines @@
 TEST_SCALETO(Scale, 1, 1)
 TEST_SCALETO(Scale, 320, 240)
 TEST_SCALETO(Scale, 352, 288)
 TEST_SCALETO(Scale, 569, 480)
 TEST_SCALETO(Scale, 640, 360)
 TEST_SCALETO(Scale, 1280, 720)
 #undef TEST_SCALETO1
 #undef TEST_SCALETO
 
 }  // namespace libyuv