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#include "test_synthesis.h"
using namespace simpl;
// ---------------------------------------------------------------------------
// test_basic
// ---------------------------------------------------------------------------
static void test_basic(PeakDetection *pd, PartialTracking* pt,
Synthesis* synth, SndfileHandle *sf) {
int num_samples = 4096;
int hop_size = 256;
int frame_size = 512;
std::vector<sample> audio(sf->frames(), 0.0);
sf->read(&audio[0], (int)sf->frames());
pd->clear();
pt->reset();
synth->reset();
pd->frame_size(frame_size);
pd->hop_size(hop_size);
synth->hop_size(hop_size);
Frames frames = pd->find_peaks(num_samples,
&(audio[(int)sf->frames() / 2]));
frames = pt->find_partials(frames);
frames = synth->synth(frames);
for(int i = 0; i < frames.size(); i++) {
CPPUNIT_ASSERT(frames[i]->num_peaks() > 0);
CPPUNIT_ASSERT(frames[i]->num_partials() > 0);
double energy = 0.f;
for(int j = 0; j < synth->hop_size(); j++) {
energy += frames[i]->synth()[j] * frames[i]->synth()[j];
}
CPPUNIT_ASSERT(energy > 0.f);
}
}
// ---------------------------------------------------------------------------
// test_changing_frame_size
// ---------------------------------------------------------------------------
static void test_changing_frame_size(PeakDetection *pd, PartialTracking* pt,
Synthesis* synth, SndfileHandle *sf) {
int num_samples = 4096;
int frame_size = 256;
int hop_size = 128;
std::vector<sample> audio(sf->frames(), 0.0);
sf->read(&audio[0], (int)sf->frames());
pd->clear();
pt->reset();
synth->reset();
pd->frame_size(frame_size);
pd->hop_size(hop_size);
synth->frame_size(frame_size);
synth->hop_size(hop_size);
Frames frames = pd->find_peaks(num_samples,
&(audio[(int)sf->frames() / 2]));
frames = pt->find_partials(frames);
frames = synth->synth(frames);
for(int i = 0; i < frames.size(); i++) {
CPPUNIT_ASSERT(frames[i]->num_peaks() > 0);
CPPUNIT_ASSERT(frames[i]->num_partials() > 0);
double energy = 0.f;
for(int j = 0; j < synth->hop_size(); j++) {
energy += frames[i]->synth()[j] * frames[i]->synth()[j];
}
CPPUNIT_ASSERT(energy > 0.f);
}
frame_size = 128;
hop_size = 64;
pd->clear();
pt->reset();
synth->reset();
pd->frame_size(frame_size);
pd->hop_size(hop_size);
synth->frame_size(frame_size);
synth->hop_size(hop_size);
frames = pd->find_peaks(num_samples, &(audio[(int)sf->frames() / 2]));
frames = pt->find_partials(frames);
frames = synth->synth(frames);
for(int i = 0; i < frames.size(); i++) {
CPPUNIT_ASSERT(frames[i]->num_peaks() > 0);
CPPUNIT_ASSERT(frames[i]->num_partials() > 0);
double energy = 0.f;
for(int j = 0; j < synth->hop_size(); j++) {
energy += frames[i]->synth()[j] * frames[i]->synth()[j];
}
CPPUNIT_ASSERT(energy > 0.f);
}
}
// ---------------------------------------------------------------------------
// TestMQSynthesis
// ---------------------------------------------------------------------------
void TestMQSynthesis::setUp() {
_sf = SndfileHandle(TEST_AUDIO_FILE);
if(_sf.error() > 0) {
throw Exception(std::string("Could not open audio file: ") +
std::string(TEST_AUDIO_FILE));
}
}
void TestMQSynthesis::test_basic() {
::test_basic(&_pd, &_pt, &_synth, &_sf);
}
void TestMQSynthesis::test_changing_frame_size() {
::test_changing_frame_size(&_pd, &_pt, &_synth, &_sf);
}
// ---------------------------------------------------------------------------
// TestLorisSynthesis
// ---------------------------------------------------------------------------
void TestLorisSynthesis::setUp() {
_sf = SndfileHandle(TEST_AUDIO_FILE);
if(_sf.error() > 0) {
throw Exception(std::string("Could not open audio file: ") +
std::string(TEST_AUDIO_FILE));
}
}
void TestLorisSynthesis::test_basic() {
::test_basic(&_pd, &_pt, &_synth, &_sf);
}
void TestLorisSynthesis::test_changing_frame_size() {
::test_changing_frame_size(&_pd, &_pt, &_synth, &_sf);
}
// ---------------------------------------------------------------------------
// TestSMSSynthesis
// ---------------------------------------------------------------------------
void TestSMSSynthesis::setUp() {
_sf = SndfileHandle(TEST_AUDIO_FILE);
if(_sf.error() > 0) {
throw Exception(std::string("Could not open audio file: ") +
std::string(TEST_AUDIO_FILE));
}
_pd.clear();
_pt.reset();
_synth.reset();
// SMSPartialTracking has a delay of _pt.max_frame_delay(),
// so pass peak data to find_partials before calling the
// main test function
for(int i = 0; i < _pt.max_frame_delay(); i++) {
Frame* f = new Frame();
f->add_peak(0.4, 220.0, 0.0, 0.0);
_frames.push_back(f);
}
_pt.find_partials(_frames);
}
void TestSMSSynthesis::tearDown() {
for(int i = 0; i < _pt.max_frame_delay(); i++) {
delete _frames[i];
}
}
void TestSMSSynthesis::test_basic() {
::test_basic(&_pd, &_pt, &_synth, &_sf);
}
void TestSMSSynthesis::test_changing_frame_size() {
::test_changing_frame_size(&_pd, &_pt, &_synth, &_sf);
}
// ---------------------------------------------------------------------------
// TestSndObjSynthesis
// ---------------------------------------------------------------------------
void TestSndObjSynthesis::setUp() {
_sf = SndfileHandle(TEST_AUDIO_FILE);
if(_sf.error() > 0) {
throw Exception(std::string("Could not open audio file: ") +
std::string(TEST_AUDIO_FILE));
}
}
void TestSndObjSynthesis::test_basic() {
::test_basic(&_pd, &_pt, &_synth, &_sf);
}
void TestSndObjSynthesis::test_changing_frame_size() {
::test_changing_frame_size(&_pd, &_pt, &_synth, &_sf);
}
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