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authornick_m <mainsbridge@gmail.com>2016-10-02 03:55:18 +1100
committernick_m <mainsbridge@gmail.com>2016-10-02 03:55:18 +1100
commitaf289cab6231ec8785a2e69ab78f6257626aef9f (patch)
tree42a5af66405bdcbb974ee3a74fd9b67d42ae4521 /libs/ardour/test/framepos_plus_beats_test.cc
parentbb3312c3bb9c6ed9b75ac6739a6ee720ddf86c86 (diff)
Remove unused methods, add tests to ensure meter divisors don't mess with Beats.
- TempoMap::framepos_minus_beats() was only used by its test, so don't build the test.
Diffstat (limited to 'libs/ardour/test/framepos_plus_beats_test.cc')
-rw-r--r--libs/ardour/test/framepos_plus_beats_test.cc74
1 files changed, 65 insertions, 9 deletions
diff --git a/libs/ardour/test/framepos_plus_beats_test.cc b/libs/ardour/test/framepos_plus_beats_test.cc
index 8193eafb61..25a0545402 100644
--- a/libs/ardour/test/framepos_plus_beats_test.cc
+++ b/libs/ardour/test/framepos_plus_beats_test.cc
@@ -25,11 +25,11 @@ FrameposPlusBeatsTest::singleTempoTest ()
map.replace_tempo (map.first_tempo(), tempo, 0.0, 0, TempoSection::Constant, AudioTime);
/* Add 1 beat to beat 3 of the first bar */
- framepos_t r = map.framepos_plus_beats (frames_per_beat * 2, Evoral::Beats(1));
+ framepos_t r = map.framepos_plus_qn (frames_per_beat * 2, Evoral::Beats(1));
CPPUNIT_ASSERT_EQUAL (framepos_t (frames_per_beat * 3), r);
/* Add 4 beats to a -ve frame of 1 beat before zero */
- r = map.framepos_plus_beats (-frames_per_beat * 1, Evoral::Beats(4));
+ r = map.framepos_plus_qn (-frames_per_beat * 1, Evoral::Beats(4));
CPPUNIT_ASSERT_EQUAL (framepos_t (frames_per_beat * 3), r);
}
@@ -70,15 +70,15 @@ FrameposPlusBeatsTest::doubleTempoTest ()
/* Now some tests */
/* Add 1 beat to 1|2 */
- framepos_t r = map.framepos_plus_beats (24e3, Evoral::Beats(1));
+ framepos_t r = map.framepos_plus_qn (24e3, Evoral::Beats(1));
CPPUNIT_ASSERT_EQUAL (framepos_t (48e3), r);
/* Add 2 beats to 3|4 (over the tempo change) */
- r = map.framepos_plus_beats (264e3, Evoral::Beats(2));
+ r = map.framepos_plus_qn (264e3, Evoral::Beats(2));
CPPUNIT_ASSERT_EQUAL (framepos_t (264e3 + 24e3 + 12e3), r);
/* Add 2.5 beats to 3|3|960 (over the tempo change) */
- r = map.framepos_plus_beats (264e3 - 12e3, Evoral::Beats(2.5));
+ r = map.framepos_plus_qn (264e3 - 12e3, Evoral::Beats(2.5));
CPPUNIT_ASSERT_EQUAL (framepos_t (264e3 + 24e3 + 12e3), r);
}
@@ -119,21 +119,77 @@ FrameposPlusBeatsTest::doubleTempoWithMeterTest ()
map.replace_tempo (map.first_tempo(), tempoA, 0.0, 0, TempoSection::Constant, AudioTime);
Tempo tempoB (240);
map.add_tempo (tempoB, 12.0 / tempoA.note_type(), 0, TempoSection::Constant, MusicTime);
- Meter meterB (3, 4);
+ Meter meterB (3, 8);
map.add_meter (meterB, 12.0, BBT_Time (4, 1, 0), 0, MusicTime);
/* Now some tests */
/* Add 1 beat to 1|2 */
- framepos_t r = map.framepos_plus_beats (24e3, Evoral::Beats(1));
+ framepos_t r = map.framepos_plus_qn (24e3, Evoral::Beats(1));
CPPUNIT_ASSERT_EQUAL (framepos_t (48e3), r);
/* Add 2 beats to 3|4 (over the tempo change) */
- r = map.framepos_plus_beats (264e3, Evoral::Beats(2));
+ r = map.framepos_plus_qn (264e3, Evoral::Beats(2));
CPPUNIT_ASSERT_EQUAL (framepos_t (264e3 + 24e3 + 12e3), r);
/* Add 2.5 beats to 3|3|960 (over the tempo change) */
- r = map.framepos_plus_beats (264e3 - 12e3, Evoral::Beats(2.5));
+ r = map.framepos_plus_qn (264e3 - 12e3, Evoral::Beats(2.5));
+ CPPUNIT_ASSERT_EQUAL (framepos_t (264e3 + 24e3 + 12e3), r);
+}
+
+/* Same as doubleTempoWithMeterTest () except use odd meter divisors
+ (which shouldn't affect anything, since we are just dealing with
+ beats)
+*/
+
+void
+FrameposPlusBeatsTest::doubleTempoWithComplexMeterTest ()
+{
+ int const sampling_rate = 48000;
+
+ TempoMap map (sampling_rate);
+ Meter meterA (3, 4);
+ map.replace_meter (map.first_meter(), meterA, BBT_Time (1, 1, 0), (framepos_t) 0, AudioTime);
+
+ /*
+ 120bpm at bar 1, 240bpm at bar 4
+
+ 120bpm = 24e3 samples per beat
+ 240bpm = 12e3 samples per beat
+ */
+
+
+ /*
+
+ 120bpm 5/8 240bpm
+ 0 beats 9 quarter note beats 12 quarter note beats
+ 9 meter-based beat 15 meter-based beat
+ 0 frames 288e3 frames
+ 0 pulses | 3 pulses
+ | | | | |
+ | 1.1 1.2 1.3 | 2.1 2.2 2.3 | 3.1 3.2 3.3 |4.14.24.34.44.5|5.15.2^5.35.45.5|
+ |
+ 4|1|0
+ */
+
+ Tempo tempoA (120);
+ map.replace_tempo (map.first_tempo(), tempoA, 0.0, 0, TempoSection::Constant, AudioTime);
+ Tempo tempoB (240, 4.0);
+ map.add_tempo (tempoB, 12.0 / 4.0, 0, TempoSection::Constant, MusicTime);
+ Meter meterB (5, 8);
+ map.add_meter (meterB, 9.0, BBT_Time (4, 1, 0), 0, MusicTime);
+ /* Now some tests */
+
+ /* Add 1 beat to 1|2 */
+ framepos_t r = map.framepos_plus_qn (24e3, Evoral::Beats(1));
+ CPPUNIT_ASSERT_EQUAL (framepos_t (48e3), r);
+
+ /* Add 2 beats to 5|1 (over the tempo change) */
+ r = map.framepos_plus_qn (264e3, Evoral::Beats(2));
+ CPPUNIT_ASSERT_EQUAL (framepos_t (264e3 + 24e3 + 12e3), r);
+
+ /* Add 2.5 beats to 4|5 (over the tempo change) */
+ r = map.framepos_plus_qn (264e3 - 12e3, Evoral::Beats(2.5));
CPPUNIT_ASSERT_EQUAL (framepos_t (264e3 + 24e3 + 12e3), r);
}