diff options
Diffstat (limited to 'libs/ardour/test/playlist_read_test.cc')
| -rw-r--r-- | libs/ardour/test/playlist_read_test.cc | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/libs/ardour/test/playlist_read_test.cc b/libs/ardour/test/playlist_read_test.cc new file mode 100644 index 0000000000..55c6abe4ad --- /dev/null +++ b/libs/ardour/test/playlist_read_test.cc @@ -0,0 +1,171 @@ +#include "ardour/playlist.h" +#include "ardour/region.h" +#include "ardour/audioplaylist.h" +#include "ardour/audioregion.h" +#include "ardour/session.h" +#include "playlist_read_test.h" +#include "test_globals.h" + +CPPUNIT_TEST_SUITE_REGISTRATION (PlaylistReadTest); + +using namespace std; +using namespace ARDOUR; + +void +PlaylistReadTest::setUp () +{ + TestNeedingPlaylistAndRegions::setUp (); + + _N = 1024; + _buf = new Sample[_N]; + _mbuf = new Sample[_N]; + _gbuf = new float[_N]; + + _session->config.set_auto_xfade (false); + + _apl = boost::dynamic_pointer_cast<AudioPlaylist> (_playlist); + + for (int i = 0; i < _N; ++i) { + _buf[i] = 0; + } +} + +void +PlaylistReadTest::tearDown () +{ + delete[] _buf; + delete[] _mbuf; + delete[] _gbuf; + + _apl.reset (); + + TestNeedingPlaylistAndRegions::tearDown (); +} + +void +PlaylistReadTest::singleReadTest () +{ + /* Single-region read with fades */ + + boost::shared_ptr<AudioRegion> ar0 = boost::dynamic_pointer_cast<AudioRegion> (_region[0]); + ar0->set_name ("ar0"); + _apl->add_region (ar0, 0); + ar0->set_default_fade_in (); + ar0->set_default_fade_out (); + CPPUNIT_ASSERT_EQUAL (double (64), ar0->_fade_in->back()->when); + CPPUNIT_ASSERT_EQUAL (double (64), ar0->_fade_out->back()->when); + ar0->set_length (1024); + _apl->read (_buf, _mbuf, _gbuf, 0, 256, 0); + + for (int i = 0; i < 64; ++i) { + /* Note: this specific float casting is necessary so that the rounding + is done here the same as it is done in AudioPlaylist. + */ + CPPUNIT_ASSERT_DOUBLES_EQUAL (float (i * float (i / 63.0)), _buf[i], 1e-16); + } + + for (int i = 64; i < 256; ++i) { + CPPUNIT_ASSERT_EQUAL (i, int (_buf[i])); + } +} + +void +PlaylistReadTest::overlappingReadTest () +{ + /* Overlapping read; ar0 and ar1 are both 1024 frames long, ar0 starts at 0, + ar1 starts at 128. We test a read from 0 to 256, which should consist + of the start of ar0, with its fade in, followed by ar1's fade in (mixed with ar0) + and some more of ar1. + */ + + boost::shared_ptr<AudioRegion> ar0 = boost::dynamic_pointer_cast<AudioRegion> (_region[0]); + ar0->set_name ("ar0"); + _apl->add_region (ar0, 0); + ar0->set_default_fade_in (); + ar0->set_default_fade_out (); + CPPUNIT_ASSERT_EQUAL (double (64), ar0->_fade_in->back()->when); + CPPUNIT_ASSERT_EQUAL (double (64), ar0->_fade_out->back()->when); + ar0->set_length (1024); + + boost::shared_ptr<AudioRegion> ar1 = boost::dynamic_pointer_cast<AudioRegion> (_region[1]); + ar1->set_name ("ar1"); + _apl->add_region (ar1, 128); + ar1->set_default_fade_in (); + ar1->set_default_fade_out (); + + CPPUNIT_ASSERT_EQUAL (double (64), ar1->_fade_in->back()->when); + CPPUNIT_ASSERT_EQUAL (double (64), ar1->_fade_out->back()->when); + + ar1->set_length (1024); + _apl->read (_buf, _mbuf, _gbuf, 0, 256, 0); + + /* ar0's fade in */ + for (int i = 0; i < 64; ++i) { + /* Note: this specific float casting is necessary so that the rounding + is done here the same as it is done in AudioPlaylist. + */ + CPPUNIT_ASSERT_DOUBLES_EQUAL (float (i * float (i / 63.0)), _buf[i], 1e-16); + } + + /* bit of ar0 */ + for (int i = 64; i < 128; ++i) { + CPPUNIT_ASSERT_EQUAL (i, int (_buf[i])); + } + + /* ar1's fade in */ + for (int i = 0; i < 64; ++i) { + /* Similar carry-on to above with float rounding */ + CPPUNIT_ASSERT_DOUBLES_EQUAL (i + 128 + float (i * float (i / 63.0)), _buf[i + 128], 1e-4); + } +} + +void +PlaylistReadTest::transparentReadTest () +{ + boost::shared_ptr<AudioRegion> ar0 = boost::dynamic_pointer_cast<AudioRegion> (_region[0]); + ar0->set_name ("ar0"); + _apl->add_region (ar0, 0); + ar0->set_default_fade_in (); + ar0->set_default_fade_out (); + CPPUNIT_ASSERT_EQUAL (double (64), ar0->_fade_in->back()->when); + CPPUNIT_ASSERT_EQUAL (double (64), ar0->_fade_out->back()->when); + ar0->set_length (1024); + + boost::shared_ptr<AudioRegion> ar1 = boost::dynamic_pointer_cast<AudioRegion> (_region[1]); + ar1->set_name ("ar1"); + _apl->add_region (ar1, 0); + ar1->set_default_fade_in (); + ar1->set_default_fade_out (); + CPPUNIT_ASSERT_EQUAL (double (64), ar1->_fade_in->back()->when); + CPPUNIT_ASSERT_EQUAL (double (64), ar1->_fade_out->back()->when); + ar1->set_length (1024); + ar1->set_opaque (false); + + _apl->read (_buf, _mbuf, _gbuf, 0, 1024, 0); + + /* ar0 and ar1 fade-ins, mixed */ + for (int i = 0; i < 64; ++i) { + float const fade = i / 63.0; + CPPUNIT_ASSERT_DOUBLES_EQUAL (float (i * fade) * 2, _buf[i], 1e-16); + } + + /* ar0 and ar1 bodies, mixed */ + for (int i = 64; i < (1024 - 64); ++i) { + CPPUNIT_ASSERT_DOUBLES_EQUAL (float (i * 2), _buf[i], 1e-16); + } + + /* ar0 and ar1 fade-outs, mixed */ + for (int i = (1024 - 64); i < 1024; ++i) { + float const fade = (1023 - i) / 63.0; + CPPUNIT_ASSERT_DOUBLES_EQUAL (float (i * fade) * 2, _buf[i], 1e-16); + } +} + +void +PlaylistReadTest::check_staircase (Sample* b, int offset, int N) +{ + for (int i = 0; i < N; ++i) { + int const j = i + offset; + CPPUNIT_ASSERT_EQUAL (j, int (b[i])); + } +} |