Mercurial > hg > svcore
view data/fileio/test/AudioFileWriterTest.h @ 1591:6e68bd92ee21 bqaudiostream
Add flac metadata example
author | Chris Cannam |
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date | Mon, 21 Jan 2019 11:45:51 +0000 |
parents | 87ae75da6527 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. 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. See the file COPYING included with this distribution for more information. */ #ifndef TEST_AUDIO_FILE_WRITER_H #define TEST_AUDIO_FILE_WRITER_H #include "../AudioFileReaderFactory.h" #include "../AudioFileReader.h" #include "../WavFileWriter.h" #include "AudioTestData.h" #include "bqvec/VectorOps.h" #include "bqvec/Allocators.h" #include <cmath> #include <QObject> #include <QtTest> #include <QDir> #include <iostream> using namespace std; using namespace breakfastquay; class AudioFileWriterTest : public QObject { Q_OBJECT private: QString testDirBase; QString outDir; static const int rate = 44100; public: AudioFileWriterTest(QString base) { if (base == "") { base = "svcore/data/fileio/test"; } testDirBase = base; outDir = base + "/outfiles"; } const char *strOf(QString s) { return strdup(s.toLocal8Bit().data()); } QString testName(bool direct, int channels) { return QString("%1 %2 %3") .arg(channels) .arg(channels > 1 ? "channels" : "channel") .arg(direct ? "direct" : "via temporary"); } private slots: void init() { if (!QDir(outDir).exists() && !QDir().mkpath(outDir)) { SVCERR << "ERROR: Audio out directory \"" << outDir << "\" does not exist and could not be created" << endl; QVERIFY2(QDir(outDir).exists(), "Audio out directory not found and could not be created"); } } void write_data() { QTest::addColumn<bool>("direct"); QTest::addColumn<int>("channels"); for (int direct = 0; direct <= 1; ++direct) { for (int channels = 1; channels < 8; ++channels) { if (channels == 1 || channels == 2 || channels == 5 || channels == 8) { QString desc = testName(direct, channels); QTest::newRow(strOf(desc)) << (bool)direct << channels; } } } } void write() { QFETCH(bool, direct); QFETCH(int, channels); QString outfile = QString("%1/out-%2ch-%3.wav") .arg(outDir).arg(channels).arg(direct ? "direct" : "via-temporary"); WavFileWriter writer(outfile, rate, channels, direct ? WavFileWriter::WriteToTarget : WavFileWriter::WriteToTemporary); QVERIFY(writer.isOK()); AudioTestData data(rate, channels); data.generate(); sv_frame_t frameCount = data.getFrameCount(); float *interleaved = data.getInterleavedData(); float **nonInterleaved = allocate_channels<float>(channels, frameCount); v_deinterleave(nonInterleaved, interleaved, channels, int(frameCount)); bool ok = writer.writeSamples(nonInterleaved, frameCount); deallocate_channels(nonInterleaved, channels); QVERIFY(ok); ok = writer.close(); QVERIFY(ok); AudioFileReaderFactory::Parameters params; AudioFileReader *rereader = AudioFileReaderFactory::createReader(outfile, params); QVERIFY(rereader != nullptr); floatvec_t readFrames = rereader->getInterleavedFrames(0, frameCount); floatvec_t expected(interleaved, interleaved + frameCount * channels); QCOMPARE(readFrames, expected); delete rereader; } }; #endif