diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/Makefile.am | 14 | ||||
| -rw-r--r-- | test/resampler.cc | 112 |
2 files changed, 122 insertions, 4 deletions
diff --git a/test/Makefile.am b/test/Makefile.am index 77a0f96..e43a6ba 100644 --- a/test/Makefile.am +++ b/test/Makefile.am @@ -1,18 +1,15 @@ # Rules for the test code (use `make check` to execute) include $(top_srcdir)/src/Makefile.am.drumgizmo -TESTS = engine gui +TESTS = engine gui resampler check_PROGRAMS = $(TESTS) engine_CXXFLAGS = -DOUTPUT=\"engine\" $(CPPUNIT_CFLAGS) \ -I$(top_srcdir)/src -I$(top_srcdir)/include \ -I$(top_srcdir)/hugin -DDISABLE_HUGIN - engine_CFLAGS = -DDISABLE_HUGIN - engine_LDFLAGS = $(CPPUNIT_LIBS) $(DRUMGIZMO_LIBS) $(PTHREAD_LIBS) - engine_SOURCES = \ $(DRUMGIZMO_SOURCES) \ $(top_srcdir)/hugin/hugin.c \ @@ -24,3 +21,12 @@ gui_LDFLAGS = $(CPPUNIT_LIBS) gui_SOURCES = \ test.cc \ gui.cc + +resampler_CXXFLAGS = -DOUTPUT=\"resampler\" $(CPPUNIT_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 \ + test.cc \ + resampler.cc
\ No newline at end of file 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); |