Fix export, which has been broken since the boost::signals2 changes. Also update Audiographer, bacause of its incomplete sndfile handling. Audiographer is equal to revision 74

git-svn-id: svn://localhost/ardour2/branches/3.0@6760 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 60 insertions, 0 deletions

diff --git a/libs/audiographer/tests/general/normalizer_test.cc b/libs/audiographer/tests/general/normalizer_test.cc
new file mode 100644
index 0000000000..b08fd73a0e
--- /dev/null
+++ b/libs/audiographer/tests/general/normalizer_test.cc
@@ -0,0 +1,60 @@
+#include "tests/utils.h"
+
+#include "audiographer/general/normalizer.h"
+#include "audiographer/general/peak_reader.h"
+
+using namespace AudioGrapher;
+
+class NormalizerTest : public CppUnit::TestFixture
+{
+  CPPUNIT_TEST_SUITE (NormalizerTest);
+  CPPUNIT_TEST (testConstAmplify);
+  CPPUNIT_TEST_SUITE_END ();
+
+  public:
+	void setUp()
+	{
+		frames = 1024;
+	}
+
+	void tearDown()
+	{
+		delete [] random_data;
+	}
+
+	void testConstAmplify()
+	{
+		float target = 0.0;
+		random_data = TestUtils::init_random_data(frames, 0.5);
+		
+		normalizer.reset (new Normalizer(target));
+		peak_reader.reset (new PeakReader());
+		sink.reset (new VectorSink<float>());
+		
+		ProcessContext<float> const c (random_data, frames, 1);
+		peak_reader->process (c);
+		
+		float peak = peak_reader->get_peak();
+		normalizer->alloc_buffer (frames);
+		normalizer->set_peak (peak);
+		normalizer->add_output (sink);
+		normalizer->process (c);
+		
+		peak_reader->reset();
+		ConstProcessContext<float> normalized (sink->get_array(), frames, 1);
+		peak_reader->process (normalized);
+		
+		peak = peak_reader->get_peak();
+		CPPUNIT_ASSERT (-FLT_EPSILON <= (peak - 1.0) && (peak - 1.0) <= 0.0);
+	}
+
+  private:
+	boost::shared_ptr<Normalizer> normalizer;
+	boost::shared_ptr<PeakReader> peak_reader;
+	boost::shared_ptr<VectorSink<float> > sink;
+
+	float * random_data;
+	nframes_t frames;
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION (NormalizerTest);