audio_region_test.cc

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/*
    Copyright (C) 2012 Paul Davis

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include <glibmm/miscutils.h>

#include "pbd/compose.h"
#include "ardour/playlist_factory.h"
#include "ardour/source_factory.h"
#include "ardour/region.h"
#include "ardour/region_factory.h"
#include "ardour/sndfilesource.h"
#include "ardour/audioregion.h"
#include "ardour/audioplaylist.h"
#include "audio_region_test.h"
#include "test_util.h"

using namespace std;
using namespace PBD;
using namespace ARDOUR;

void
AudioRegionTest::setUp ()
{
        TestNeedingSession::setUp ();

        std::string const test_wav_path = Glib::build_filename (new_test_output_dir(), "test.wav");
        _playlist = PlaylistFactory::create (DataType::AUDIO, *_session, "test");
        _audio_playlist = boost::dynamic_pointer_cast<AudioPlaylist> (_playlist);
        _source = SourceFactory::createWritable (DataType::AUDIO, *_session, test_wav_path, false, get_test_sample_rate ());

        /* Write a staircase to the source */

        boost::shared_ptr<SndFileSource> s = boost::dynamic_pointer_cast<SndFileSource> (_source);
        assert (s);

        int const signal_length = 4096;
        
        Sample staircase[signal_length];
        for (int i = 0; i < signal_length; ++i) {
                staircase[i] = i;
        }

        s->write (staircase, signal_length);
        
        PropertyList plist;
        plist.add (Properties::start, 0);
        plist.add (Properties::length, 100);
        for (int i = 0; i < 16; ++i) {
                _r[i] = RegionFactory::create (_source, plist);
                _ar[i] = boost::dynamic_pointer_cast<AudioRegion> (_r[i]);
                _ar[i]->set_name (string_compose ("ar%1", i));
        }
}

void
AudioRegionTest::tearDown ()
{
        _playlist.reset ();
        _audio_playlist.reset ();
        _source.reset ();
        for (int i = 0; i < 16; ++i) {
                _r[i].reset ();
                _ar[i].reset ();
        }

        TestNeedingSession::tearDown ();
}