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authorBent Bisballe Nyeng <deva@aasimon.org>2014-11-04 16:52:21 +0100
committerBent Bisballe Nyeng <deva@aasimon.org>2014-11-04 16:52:21 +0100
commitfe8907b7dd31a4acbde211df929092e0f1014d06 (patch)
treeccaa0cbaec6a2e4d32beb78ae7c9b1df88d5963a
parentea184bb32a1c37bd8e314daa98d90523b89cb1e9 (diff)
Add resampler unit tests.
-rw-r--r--.gitignore6
-rw-r--r--test/Makefile.am3
-rw-r--r--test/resampler.cc112
3 files changed, 119 insertions, 2 deletions
diff --git a/.gitignore b/.gitignore
index 32c3162..4cfbcc4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,4 +27,8 @@ Makefile.am.test
*.dll
plugingui/plugingui
plugingui/rcgen
-*.lo \ No newline at end of file
+*.lo
+test/result_*.xml
+test/resampler
+test/engine
+test/gui \ No newline at end of file
diff --git a/test/Makefile.am b/test/Makefile.am
index 136ba28..e43a6ba 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -23,7 +23,8 @@ gui_SOURCES = \
gui.cc
resampler_CXXFLAGS = -DOUTPUT=\"resampler\" $(CPPUNIT_CFLAGS) \
- $(ZITA_CXXFLAGS) $(SAMPLERATE_CFLAGS)
+ $(ZITA_CXXFLAGS) $(SAMPLERATE_CFLAGS) \
+ -I$(top_srcdir)/hugin -DDISABLE_HUGIN
resampler_LDFLAGS = $(ZITA_LIBS) $(SAMPLERATE_LIBS) $(CPPUNIT_LIBS)
resampler_SOURCES = \
$(top_srcdir)/src/chresampler.cc \
diff --git a/test/resampler.cc b/test/resampler.cc
new file mode 100644
index 0000000..445a5b3
--- /dev/null
+++ b/test/resampler.cc
@@ -0,0 +1,112 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ * resampler.cc
+ *
+ * Sun Oct 5 20:16:22 CEST 2014
+ * Copyright 2014 Bent Bisballe Nyeng
+ * deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ * This file is part of DrumGizmo.
+ *
+ * DrumGizmo is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * DrumGizmo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with DrumGizmo; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#include <cppunit/extensions/HelperMacros.h>
+
+#include "../src/chresampler.h"
+#include <unistd.h>
+
+#define BUFSZ 500
+
+static float round(float a) { return a<0.5?0:1; }
+
+class test_resampler : public CppUnit::TestFixture
+{
+ CPPUNIT_TEST_SUITE(test_resampler);
+ CPPUNIT_TEST(resampling);
+ CPPUNIT_TEST(resampling_buffer_sizes);
+ CPPUNIT_TEST_SUITE_END();
+
+public:
+ void setUp() {}
+ void tearDown() {}
+
+ void resampling()
+ {
+ CHResampler r;
+ CPPUNIT_ASSERT_EQUAL(1.0, r.ratio());
+
+ r.setup(44100, 48000);
+ CPPUNIT_ASSERT_EQUAL(44100.0/48000.0, r.ratio());
+
+ float in[BUFSZ];
+ for(int i = 0; i < BUFSZ; i++) in[i] = 0;//(float)i/(float)BUFSZ;
+ in[100] = 1.0;
+
+ float out[BUFSZ];
+ r.setInputSamples(in, sizeof(in) / sizeof(float));
+ r.setOutputSamples(out, sizeof(out) / sizeof(float));
+ r.process();
+ CPPUNIT_ASSERT_EQUAL((size_t)0, r.getInputSampleCount());
+
+ // CPPUNIT_ASSERT_EQUAL(, r.getOutputSampleCount());
+
+ int outidx = -1;
+ int inidx = -1;
+ for(int i = 0; i < BUFSZ - (int)r.getOutputSampleCount(); i++) {
+ if(in[i] == 1.0) inidx = i;
+ if(round(out[i]) == 1.0) outidx = i;
+ //printf("in[% 4d]\t= %f\t", i, in[i]);
+ //printf("out[% 4d]\t= %f\n", i, out[i]);
+ }
+
+ CPPUNIT_ASSERT(inidx != -1);
+ CPPUNIT_ASSERT(outidx != -1);
+
+ //printf("inidx: %d - outidx: %d\n", inidx, outidx);
+ //CPPUNIT_ASSERT_EQUAL(71, inidx - outidx); // This does not make sense...
+ }
+
+ void resampling_buffer_sizes()
+ {
+ CHResampler r;
+ CPPUNIT_ASSERT_EQUAL(1.0, r.ratio());
+
+ double infs = 24000;
+ double outfs = 48000;
+ r.setup(infs, outfs);
+ CPPUNIT_ASSERT_EQUAL(infs / outfs, r.ratio());
+
+ float in[BUFSZ];
+ float out[(int)(BUFSZ / r.ratio())];
+
+ // Preload resampler
+ r.setOutputSamples(out, 1);
+ while(r.getOutputSampleCount()) {
+ r.setInputSamples(in, 1);
+ r.process();
+ }
+
+ r.setInputSamples(in, sizeof(in) / sizeof(float));
+ r.setOutputSamples(out, sizeof(out) / sizeof(float));
+ r.process();
+ CPPUNIT_ASSERT_EQUAL((size_t)0, r.getInputSampleCount());
+ CPPUNIT_ASSERT_EQUAL((size_t)0, r.getOutputSampleCount());
+ }
+};
+
+// Registers the fixture into the 'registry'
+CPPUNIT_TEST_SUITE_REGISTRATION(test_resampler);