r4072 - in trunk: . tests

[stw svn gnome org]

Author: stw
Date: 2006-11-08 17:45:16 -0500 (Wed, 08 Nov 2006)
New Revision: 4072

Modified:
   trunk/ChangeLog
   trunk/tests/testresampler.cc
Log:
Wed Nov  8 23:27:33 2006  Stefan Westerfeld  <stefan space twc de>

	* tests/testresampler.cc: Support for testing linear interpolation.


Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog	2006-11-08 22:44:30 UTC (rev 4071)
+++ trunk/ChangeLog	2006-11-08 22:45:16 UTC (rev 4072)
@@ -1,3 +1,7 @@
+Wed Nov  8 23:27:33 2006  Stefan Westerfeld  <stefan space twc de>
+
+	* tests/testresampler.cc: Support for testing linear interpolation.
+
 Wed Nov  8 22:09:36 2006  Stefan Westerfeld  <stefan space twc de>
 
 	* tests/testresampler.cc: Ensure that accuracy tests use the same

Modified: trunk/tests/testresampler.cc
===================================================================
--- trunk/tests/testresampler.cc	2006-11-08 22:44:30 UTC (rev 4071)
+++ trunk/tests/testresampler.cc	2006-11-08 22:45:16 UTC (rev 4072)
@@ -112,6 +112,7 @@
   printf ("  --oversample          perform --up and --down\n");
   printf ("  --precision=<bits>    choose resampling filter for <bits> precision\n");
   printf ("                        supported precisions: 8, 12, 16, 20, 24 [%d]\n", static_cast<int> (options.precision));
+  printf ("  --precision-linear    use linear interpolation (very bad quality)\n");
   printf ("  --fpu                 disables loading of SSE or similarly optimized code\n");
   printf ("\n");
   printf ("Options:\n");
@@ -254,6 +255,10 @@
 		     exit (1);
 	    }
 	}
+      else if (check_arg (argc, argv, &i, "--precision-linear"))
+	{
+	  precision = BSE_RESAMPLER2_PREC_LINEAR;
+	}
       else if (check_arg (argc, argv, &i, "--freq-scan", &opt_arg))
 	{
 	  gchar *oa = g_strdup (opt_arg);
@@ -417,7 +422,7 @@
 	  double phase = 0, output_phase = 0;
 	  double test_frequency_max_diff = 0; /* for monitoring frequency scanning */
 
-	  while (k < 10000)
+	  while (k < 20000)
 	    {
 	      guint misalign = rand() % 4;
               if (block_size <= misalign)