#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, 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, BBT_Time (1, 1, 0)); Tempo tempoB (240); map.add_tempo (tempoB, BBT_Time (4, 1, 0)); Meter meterB (3, 4); map.add_meter (meterB, BBT_Time (4, 1, 0)); list::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 ()); }