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45 lines
1 KiB
C++
45 lines
1 KiB
C++
#include <sigc++/sigc++.h>
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#include "midi_clock_slave_test.h"
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using namespace std;
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using namespace ARDOUR;
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CPPUNIT_TEST_SUITE_REGISTRATION( MIDIClock_SlaveTest );
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void
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MIDIClock_SlaveTest::testStepResponse ()
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{
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double speed = 1.0;
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framepos_t position = 0;
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MIDI::Parser* parser = 0;
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TestSlaveSessionProxy *sess = (TestSlaveSessionProxy *) session;
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framecnt_t period_size = 4096;
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sess->set_period_size (period_size);
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bandwidth = 1.0 / 60.0;
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framepos_t start_time = 1000000;
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start (*parser, start_time);
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update_midi_clock (*parser, start_time);
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for (framecnt_t i = 1; i<= 100 * period_size; i++) {
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// simulate jitter
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framecnt_t input_delta = framecnt_t (one_ppqn_in_frames + 0.1 * (double(g_random_int()) / double (RAND_MAX)) * one_ppqn_in_frames);
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if (i % input_delta == 0) {
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update_midi_clock (*parser, start_time + i);
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}
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if (i % period_size == 0) {
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sess->next_period ();
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speed_and_position (speed, position);
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sess->request_transport_speed (speed);
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}
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}
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}
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