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#include "ardour/tempo.h"
#include "tempo_test.h"
CPPUNIT_TEST_SUITE_REGISTRATION (TempoTest);
using namespace std;
using namespace ARDOUR;
using namespace Timecode;
void
TempoTest::recomputeMapTest ()
{
int const sampling_rate = 48000;
TempoMap map (sampling_rate);
Meter meterA (4, 4);
map.add_meter (meterA, 0.0, BBT_Time (1, 1, 0));
/*
120bpm at bar 1, 240bpm at bar 4
120bpm = 24e3 samples per beat
240bpm = 12e3 samples per beat
*/
/*
120bpm 240bpm
0 beats 12 beats
0 frames 288e3 frames
| | | | |
| 1.1 1.2 1.3 1.4 | 2.1 2.2 2.3.2.4 | 3.1 3.2 3.3 3.4 | 4.1 4.2 4.3 |
*/
Tempo tempoA (120);
map.add_tempo (tempoA, 0.0, TempoSection::Constant);
Tempo tempoB (240);
map.add_tempo (tempoB, 12.0, TempoSection::Constant);
Meter meterB (3, 4);
map.add_meter (meterB, 12.0, BBT_Time (4, 1, 0));
list<MetricSection*>::iterator i = map.metrics.begin();
CPPUNIT_ASSERT_EQUAL (framepos_t (0), (*i)->frame ());
i = map.metrics.end();
--i;
CPPUNIT_ASSERT_EQUAL (framepos_t (288e3), (*i)->frame ());
}
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