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livetrax/libs/audiographer/tests/interleaver_deinterleaver_test.cc

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#include "utils.h"
#include "audiographer/interleaver.h"
#include "audiographer/deinterleaver.h"
using namespace AudioGrapher;
class InterleaverDeInterleaverTest : public CppUnit::TestFixture
{
CPPUNIT_TEST_SUITE (InterleaverDeInterleaverTest);
CPPUNIT_TEST (testInterleavedInput);
CPPUNIT_TEST (testDeInterleavedInput);
CPPUNIT_TEST_SUITE_END ();
public:
void setUp()
{
channels = 3;
frames_per_channel = 128;
total_frames = channels * frames_per_channel;
random_data_a = TestUtils::init_random_data (total_frames, 1.0);
random_data_b = TestUtils::init_random_data (frames_per_channel, 1.0);
random_data_c = TestUtils::init_random_data (frames_per_channel, 1.0);
deinterleaver.reset (new DeInterleaver<float>());
interleaver.reset (new Interleaver<float>());
sink_a.reset (new VectorSink<float>());
sink_b.reset (new VectorSink<float>());
sink_c.reset (new VectorSink<float>());
}
void tearDown()
{
delete [] random_data_a;
delete [] random_data_b;
delete [] random_data_c;
}
void testInterleavedInput()
{
deinterleaver->init (channels, frames_per_channel);
interleaver->init (channels, frames_per_channel);
deinterleaver->output (0)->add_output (interleaver->input (0));
deinterleaver->output (1)->add_output (interleaver->input (1));
deinterleaver->output (2)->add_output (interleaver->input (2));
interleaver->add_output (sink_a);
// Process and assert
ProcessContext<float> c (random_data_a, total_frames, channels);
deinterleaver->process (c);
CPPUNIT_ASSERT (TestUtils::array_equals (random_data_a, sink_a->get_array(), total_frames));
// And a second round...
nframes_t less_frames = (frames_per_channel / 10) * channels;
c.frames() = less_frames;
deinterleaver->process (c);
CPPUNIT_ASSERT (TestUtils::array_equals (random_data_a, sink_a->get_array(), less_frames));
}
void testDeInterleavedInput()
{
deinterleaver->init (channels, frames_per_channel);
interleaver->init (channels, frames_per_channel);
interleaver->add_output (deinterleaver);
deinterleaver->output (0)->add_output (sink_a);
deinterleaver->output (1)->add_output (sink_b);
deinterleaver->output (2)->add_output (sink_c);
ProcessContext<float> c_a (random_data_a, frames_per_channel, 1);
ProcessContext<float> c_b (random_data_b, frames_per_channel, 1);
ProcessContext<float> c_c (random_data_c, frames_per_channel, 1);
// Process and assert
interleaver->input (0)->process (c_a);
interleaver->input (1)->process (c_b);
interleaver->input (2)->process (c_c);
CPPUNIT_ASSERT (TestUtils::array_equals (random_data_a, sink_a->get_array(), frames_per_channel));
CPPUNIT_ASSERT (TestUtils::array_equals (random_data_b, sink_b->get_array(), frames_per_channel));
CPPUNIT_ASSERT (TestUtils::array_equals (random_data_c, sink_c->get_array(), frames_per_channel));
// And a second round...
nframes_t less_frames = frames_per_channel / 5;
c_a.frames() = less_frames;
c_b.frames() = less_frames;
c_c.frames() = less_frames;
interleaver->input (0)->process (c_a);
interleaver->input (1)->process (c_b);
interleaver->input (2)->process (c_c);
CPPUNIT_ASSERT (TestUtils::array_equals (random_data_a, sink_a->get_array(), less_frames));
CPPUNIT_ASSERT (TestUtils::array_equals (random_data_b, sink_b->get_array(), less_frames));
CPPUNIT_ASSERT (TestUtils::array_equals (random_data_c, sink_c->get_array(), less_frames));
}
private:
boost::shared_ptr<Interleaver<float> > interleaver;
boost::shared_ptr<DeInterleaver<float> > deinterleaver;
boost::shared_ptr<VectorSink<float> > sink_a;
boost::shared_ptr<VectorSink<float> > sink_b;
boost::shared_ptr<VectorSink<float> > sink_c;
float * random_data_a;
float * random_data_b;
float * random_data_c;
nframes_t frames_per_channel;
nframes_t total_frames;
unsigned int channels;
};
CPPUNIT_TEST_SUITE_REGISTRATION (InterleaverDeInterleaverTest);