97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
/*
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* Copyright (C) 2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2013 Tim Mayberry <mojofunk@gmail.com>
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* Copyright (C) 2015 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2017 Paul Davis <paul@linuxaudiosystems.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "ardour/playlist.h"
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#include "ardour/region.h"
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#include "ardour/audioregion.h"
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#include "audio_region_read_test.h"
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CPPUNIT_TEST_SUITE_REGISTRATION (AudioRegionReadTest);
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using namespace std;
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using namespace ARDOUR;
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/** Check some basic reads */
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void
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AudioRegionReadTest::readTest ()
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{
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int const N = 1024;
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Sample buf[N];
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Sample mbuf[N];
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float gbuf[N];
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int const P = 100;
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/* Simple read: 256 samples from start of region, no fades */
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_ar[0]->set_position (P);
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_ar[0]->set_length (1024);
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_ar[0]->read_from_sources (_ar[0]->_sources, _ar[0]->_length, buf, P, 256, 0);
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check_staircase (buf, 0, 256);
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for (int i = 0; i < N; ++i) {
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buf[i] = 0;
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}
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/* Offset read: 256 samples from 128 samples into the region, no fades */
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_ar[0]->read_from_sources (_ar[0]->_sources, _ar[0]->_length, buf, P + 128, 256, 0);
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check_staircase (buf, 128, 256);
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/* Simple read with a fade-in: 256 samples from start of region, with fades */
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_ar[0]->set_default_fade_in ();
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CPPUNIT_ASSERT_EQUAL (double (64), _ar[0]->_fade_in->back()->when);
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for (int i = 0; i < N; ++i) {
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buf[i] = 0;
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}
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_ar[0]->read_at (buf, mbuf, gbuf, P, 256, 0);
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for (int i = 0; i < 64; ++i) {
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/* XXX: this isn't very accurate, but close enough for now; needs investigation */
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CPPUNIT_ASSERT_DOUBLES_EQUAL (float (i * i / 63.0), buf[i], 1e-4);
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}
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for (int i = 64; i < P; ++i) {
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CPPUNIT_ASSERT_EQUAL (i, int (buf[i]));
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}
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/* Offset read: 256 samples from 128 samples into the region, with fades
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(though the fade should not affect it, as it is finished before the read starts)
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*/
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for (int i = 0; i < N; ++i) {
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buf[i] = 0;
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}
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_ar[0]->read_at (buf, mbuf, gbuf, P + 128, 256, 0);
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check_staircase (buf, 128, 256);
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}
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void
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AudioRegionReadTest::check_staircase (Sample* b, int offset, int N)
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{
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for (int i = 0; i < N; ++i) {
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int const j = i + offset;
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CPPUNIT_ASSERT_EQUAL (j, int (b[i]));
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}
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}
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