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livetrax/libs/audiographer/tests/chunker_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

113 lines
3.3 KiB
C++

#include "utils.h"
#include "audiographer/chunker.h"
#include <cassert>
using namespace AudioGrapher;
class ChunkerTest : public CppUnit::TestFixture
{
CPPUNIT_TEST_SUITE (ChunkerTest);
CPPUNIT_TEST (testSynchronousProcess);
CPPUNIT_TEST (testAsynchronousProcess);
CPPUNIT_TEST_SUITE_END ();
public:
void setUp()
{
frames = 128;
random_data = TestUtils::init_random_data(frames);
sink.reset (new VectorSink<float>());
chunker.reset (new Chunker<float>(frames * 2));
}
void tearDown()
{
delete [] random_data;
}
void testSynchronousProcess()
{
chunker->add_output (sink);
nframes_t frames_output = 0;
ProcessContext<float> const context (random_data, frames, 1);
chunker->process (context);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL ((nframes_t) 0, frames_output);
chunker->process (context);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (2 * frames, frames_output);
CPPUNIT_ASSERT (TestUtils::array_equals (random_data, sink->get_array(), frames));
CPPUNIT_ASSERT (TestUtils::array_equals (random_data, &sink->get_array()[frames], frames));
sink->reset();
chunker->process (context);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL ((nframes_t) 0, frames_output);
chunker->process (context);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (2 * frames, frames_output);
CPPUNIT_ASSERT (TestUtils::array_equals (random_data, sink->get_array(), frames));
CPPUNIT_ASSERT (TestUtils::array_equals (random_data, &sink->get_array()[frames], frames));
}
void testAsynchronousProcess()
{
assert (frames % 2 == 0);
chunker->add_output (sink);
nframes_t frames_output = 0;
ProcessContext<float> const half_context (random_data, frames / 2, 1);
ProcessContext<float> const context (random_data, frames, 1);
// 0.5
chunker->process (half_context);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL ((nframes_t) 0, frames_output);
// 1.5
chunker->process (context);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL ((nframes_t) 0, frames_output);
// 2.5
chunker->process (context);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (2 * frames, frames_output);
CPPUNIT_ASSERT (TestUtils::array_equals (random_data, sink->get_array(), frames / 2));
CPPUNIT_ASSERT (TestUtils::array_equals (random_data, &sink->get_array()[frames / 2], frames));
CPPUNIT_ASSERT (TestUtils::array_equals (random_data, &sink->get_array()[ 3 * frames / 2], frames / 2));
sink->reset();
// 3.5
chunker->process (context);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL ((nframes_t) 0, frames_output);
// 4.0
chunker->process (half_context);
frames_output = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (2 * frames, frames_output);
CPPUNIT_ASSERT (TestUtils::array_equals (&random_data[frames / 2], sink->get_array(), frames / 2));
CPPUNIT_ASSERT (TestUtils::array_equals (random_data, &sink->get_array()[frames / 2], frames));
CPPUNIT_ASSERT (TestUtils::array_equals (random_data, &sink->get_array()[ 3 * frames / 2], frames / 2));
}
private:
boost::shared_ptr<Chunker<float> > chunker;
boost::shared_ptr<VectorSink<float> > sink;
float * random_data;
nframes_t frames;
};
CPPUNIT_TEST_SUITE_REGISTRATION (ChunkerTest);