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livetrax/libs/audiographer/tests/sample_format_converter_test.cc
Sakari Bergen dde0848a98 Re-integrate export-optimization branch.
Export now happens directly to file (unless normalizing is required), and can be easily optimized even further.
The Session process connection is still broken during export (as it was before this commit also).


git-svn-id: svn://localhost/ardour2/branches/3.0@6401 d708f5d6-7413-0410-9779-e7cbd77b26cf
2009-12-27 14:46:23 +00:00

210 lines
6.9 KiB
C++

#include "utils.h"
#include "audiographer/sample_format_converter.h"
using namespace AudioGrapher;
class SampleFormatConverterTest : public CppUnit::TestFixture
{
CPPUNIT_TEST_SUITE (SampleFormatConverterTest);
CPPUNIT_TEST (testInit);
CPPUNIT_TEST (testFrameCount);
CPPUNIT_TEST (testFloat);
CPPUNIT_TEST (testInt32);
CPPUNIT_TEST (testInt24);
CPPUNIT_TEST (testInt16);
CPPUNIT_TEST (testUint8);
CPPUNIT_TEST (testChannelCount);
CPPUNIT_TEST_SUITE_END ();
public:
void setUp()
{
frames = 128;
random_data = TestUtils::init_random_data(frames, 1.0);
}
void tearDown()
{
delete [] random_data;
}
void testInit()
{
boost::shared_ptr<SampleFormatConverter<float> > f_converter (new SampleFormatConverter<float>(1));
f_converter->init (frames, D_Tri, 32); // Doesn't throw
CPPUNIT_ASSERT_THROW (f_converter->init (frames, D_Tri, 24), Exception);
CPPUNIT_ASSERT_THROW (f_converter->init (frames, D_Tri, 48), Exception);
boost::shared_ptr<SampleFormatConverter<int32_t> > i_converter (new SampleFormatConverter<int32_t>(1));
i_converter->init (frames, D_Tri, 32); // Doesn't throw
i_converter->init (frames, D_Tri, 24); // Doesn't throw
CPPUNIT_ASSERT_THROW (i_converter->init (frames, D_Tri, 8), Exception);
CPPUNIT_ASSERT_THROW (i_converter->init (frames, D_Tri, 16), Exception);
CPPUNIT_ASSERT_THROW (i_converter->init (frames, D_Tri, 48), Exception);
boost::shared_ptr<SampleFormatConverter<int16_t> > i16_converter (new SampleFormatConverter<int16_t>(1));
i16_converter->init (frames, D_Tri, 16); // Doesn't throw
CPPUNIT_ASSERT_THROW (i16_converter->init (frames, D_Tri, 8), Exception);
CPPUNIT_ASSERT_THROW (i16_converter->init (frames, D_Tri, 32), Exception);
CPPUNIT_ASSERT_THROW (i16_converter->init (frames, D_Tri, 48), Exception);
boost::shared_ptr<SampleFormatConverter<uint8_t> > ui_converter (new SampleFormatConverter<uint8_t>(1));
ui_converter->init (frames, D_Tri, 8); // Doesn't throw
CPPUNIT_ASSERT_THROW (ui_converter->init (frames, D_Tri, 4), Exception);
CPPUNIT_ASSERT_THROW (ui_converter->init (frames, D_Tri, 16), Exception);
}
void testFrameCount()
{
boost::shared_ptr<SampleFormatConverter<int32_t> > converter (new SampleFormatConverter<int32_t>(1));
boost::shared_ptr<VectorSink<int32_t> > sink (new VectorSink<int32_t>());
converter->init (frames, D_Tri, 32);
converter->add_output (sink);
nframes_t frames_output = 0;
{
ProcessContext<float> pc(random_data, frames / 2, 1);
converter->process (pc);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (frames / 2, frames_output);
}
{
ProcessContext<float> pc(random_data, frames, 1);
converter->process (pc);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (frames, frames_output);
}
{
ProcessContext<float> pc(random_data, frames + 1, 1);
CPPUNIT_ASSERT_THROW(converter->process (pc), Exception);
}
}
void testFloat()
{
boost::shared_ptr<SampleFormatConverter<float> > converter (new SampleFormatConverter<float>(1));
boost::shared_ptr<VectorSink<float> > sink (new VectorSink<float>());
nframes_t frames_output = 0;
converter->init(frames, D_Tri, 32);
converter->add_output (sink);
converter->set_clip_floats (false);
ProcessContext<float> const pc(random_data, frames, 1);
converter->process (pc);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (frames, frames_output);
CPPUNIT_ASSERT (TestUtils::array_equals(sink->get_array(), random_data, frames));
// Make sure a few samples are < -1.0 and > 1.0
random_data[10] = -1.5;
random_data[20] = 1.5;
converter->set_clip_floats (true);
converter->process (pc);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (frames, frames_output);
CPPUNIT_ASSERT (TestUtils::array_filled(sink->get_array(), frames));
for (nframes_t i = 0; i < frames; ++i) {
// fp comparison needs a bit of tolerance, 1.01 << 1.5
CPPUNIT_ASSERT(sink->get_data()[i] < 1.01);
CPPUNIT_ASSERT(sink->get_data()[i] > -1.01);
}
}
void testInt32()
{
boost::shared_ptr<SampleFormatConverter<int32_t> > converter (new SampleFormatConverter<int32_t>(1));
boost::shared_ptr<VectorSink<int32_t> > sink (new VectorSink<int32_t>());
nframes_t frames_output = 0;
converter->init(frames, D_Tri, 32);
converter->add_output (sink);
ProcessContext<float> pc(random_data, frames, 1);
converter->process (pc);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (frames, frames_output);
CPPUNIT_ASSERT (TestUtils::array_filled(sink->get_array(), frames));
}
void testInt24()
{
boost::shared_ptr<SampleFormatConverter<int32_t> > converter (new SampleFormatConverter<int32_t>(1));
boost::shared_ptr<VectorSink<int32_t> > sink (new VectorSink<int32_t>());
nframes_t frames_output = 0;
converter->init(frames, D_Tri, 24);
converter->add_output (sink);
ProcessContext<float> pc(random_data, frames, 1);
converter->process (pc);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (frames, frames_output);
CPPUNIT_ASSERT (TestUtils::array_filled(sink->get_array(), frames));
}
void testInt16()
{
boost::shared_ptr<SampleFormatConverter<int16_t> > converter (new SampleFormatConverter<int16_t>(1));
boost::shared_ptr<VectorSink<int16_t> > sink (new VectorSink<int16_t>());
nframes_t frames_output = 0;
converter->init(frames, D_Tri, 16);
converter->add_output (sink);
ProcessContext<float> pc(random_data, frames, 1);
converter->process (pc);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (frames, frames_output);
CPPUNIT_ASSERT (TestUtils::array_filled(sink->get_array(), frames));
}
void testUint8()
{
boost::shared_ptr<SampleFormatConverter<uint8_t> > converter (new SampleFormatConverter<uint8_t>(1));
boost::shared_ptr<VectorSink<uint8_t> > sink (new VectorSink<uint8_t>());
nframes_t frames_output = 0;
converter->init(frames, D_Tri, 8);
converter->add_output (sink);
ProcessContext<float> pc(random_data, frames, 1);
converter->process (pc);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (frames, frames_output);
CPPUNIT_ASSERT (TestUtils::array_filled(sink->get_array(), frames));
}
void testChannelCount()
{
boost::shared_ptr<SampleFormatConverter<int32_t> > converter (new SampleFormatConverter<int32_t>(3));
boost::shared_ptr<VectorSink<int32_t> > sink (new VectorSink<int32_t>());
nframes_t frames_output = 0;
converter->init(frames, D_Tri, 32);
converter->add_output (sink);
ProcessContext<float> pc(random_data, 4, 1);
CPPUNIT_ASSERT_THROW (converter->process (pc), Exception);
pc.frames() = frames - (frames % 3);
converter->process (pc);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (pc.frames(), frames_output);
CPPUNIT_ASSERT (TestUtils::array_filled(sink->get_array(), pc.frames()));
}
private:
float * random_data;
nframes_t frames;
};
CPPUNIT_TEST_SUITE_REGISTRATION (SampleFormatConverterTest);