Mercurial > hg > svcore
view data/fileio/test/EncodingTest.h @ 1517:925d205c39b4 import-audio-data
Handle sample range specification for CSV import
author | Chris Cannam |
---|---|
date | Sat, 08 Sep 2018 20:43:14 +0100 |
parents | 87ae75da6527 |
children | 0773b34d987f |
line wrap: on
line source
/* -*- 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_ENCODINGS_H #define TEST_AUDIO_ENCODINGS_H // Quick tests for filename encodings and encoding of ID3 data. Not a // test of audio codecs. #include "../AudioFileReaderFactory.h" #include "../AudioFileReader.h" #include "../WavFileWriter.h" #include <cmath> #include <QObject> #include <QtTest> #include <QDir> #include <iostream> using namespace std; const char utf8_name_cdp_1[] = "Caf\303\251 de Paris"; const char utf8_name_cdp_2[] = "Caf\303\251 de \351\207\215\345\272\206"; const char utf8_name_tsprk[] = "T\303\253mple of Sp\303\266rks"; const char utf8_name_sprkt[] = "\343\202\271\343\203\235\343\203\274\343\202\257\343\201\256\345\257\272\351\231\242"; // Mapping between filename and expected title metadata field static const char *mapping[][2] = { { "id3v2-iso-8859-1", utf8_name_cdp_1 }, { "id3v2-ucs-2", utf8_name_cdp_2 }, { utf8_name_tsprk, utf8_name_tsprk }, { utf8_name_sprkt, utf8_name_sprkt }, }; static const int mappingCount = 4; class EncodingTest : public QObject { Q_OBJECT private: QString testDirBase; QString encodingDir; QString outDir; public: EncodingTest(QString base) { if (base == "") { base = "svcore/data/fileio/test"; } testDirBase = base; encodingDir = base + "/encodings"; outDir = base + "/outfiles"; } private: const char *strOf(QString s) { return strdup(s.toLocal8Bit().data()); } void addAudioFiles() { QTest::addColumn<QString>("audiofile"); QStringList files = QDir(encodingDir).entryList(QDir::Files); foreach (QString filename, files) { QTest::newRow(strOf(filename)) << filename; } } private slots: void init() { if (!QDir(encodingDir).exists()) { SVCERR << "ERROR: Audio encoding file directory \"" << encodingDir << "\" does not exist" << endl; QVERIFY2(QDir(encodingDir).exists(), "Audio encoding file directory not found"); } 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 readAudio_data() { addAudioFiles(); } void readAudio() { // Ensure that we can open all the files QFETCH(QString, audiofile); AudioFileReaderFactory::Parameters params; AudioFileReader *reader = AudioFileReaderFactory::createReader (encodingDir + "/" + audiofile, params); QVERIFY(reader != nullptr); delete reader; } void readMetadata_data() { addAudioFiles(); } void readMetadata() { // All files other than WAVs should have title metadata; check // that the title matches whatever is in our mapping structure // defined at the top QFETCH(QString, audiofile); AudioFileReaderFactory::Parameters params; AudioFileReader *reader = AudioFileReaderFactory::createReader (encodingDir + "/" + audiofile, params); QVERIFY(reader != nullptr); QStringList fileAndExt = audiofile.split("."); QString file = fileAndExt[0]; QString extension = fileAndExt[1]; if (extension == "wav") { // Nothing delete reader; } else { #if (!defined (HAVE_OGGZ) || !defined(HAVE_FISHSOUND)) if (extension == "ogg") { QSKIP("Lack native Ogg Vorbis reader, so won't be getting metadata"); } #endif auto blah = reader->getInterleavedFrames(0, 10); QString title = reader->getTitle(); QVERIFY(title != QString()); delete reader; bool found = false; for (int m = 0; m < mappingCount; ++m) { if (file == QString::fromUtf8(mapping[m][0])) { found = true; QString expected = QString::fromUtf8(mapping[m][1]); if (title != expected) { SVCERR << "Title does not match expected: codepoints are" << endl; SVCERR << "Title (" << title.length() << "ch): "; for (int i = 0; i < title.length(); ++i) { SVCERR << title[i].unicode() << " "; } SVCERR << endl; SVCERR << "Expected (" << expected.length() << "ch): "; for (int i = 0; i < expected.length(); ++i) { SVCERR << expected[i].unicode() << " "; } SVCERR << endl; } QCOMPARE(title, expected); break; } } if (!found) { // Note that this can happen legitimately on Windows, // where (for annoying VCS-related reasons) the test // files may have a different filename encoding from // the expected UTF-16. We check this properly in // readWriteAudio below, by saving out the file to a // name matching the metadata SVCERR << "Couldn't find filename \"" << file << "\" in title mapping array" << endl; QSKIP("Couldn't find filename in title mapping array"); } } } void readWriteAudio_data() { addAudioFiles(); } void readWriteAudio() { // For those files that have title metadata (i.e. all of them // except the WAVs), read the title metadata and write a wav // file (of arbitrary content) whose name matches that. Then // check that we can re-read it. This is intended to exercise // systems on which the original test filename is miscoded (as // can happen on Windows). QFETCH(QString, audiofile); QStringList fileAndExt = audiofile.split("."); QString file = fileAndExt[0]; QString extension = fileAndExt[1]; if (extension == "wav") { return; } #if (!defined (HAVE_OGGZ) || !defined(HAVE_FISHSOUND)) if (extension == "ogg") { QSKIP("Lack native Ogg Vorbis reader, so won't be getting metadata"); } #endif AudioFileReaderFactory::Parameters params; AudioFileReader *reader = AudioFileReaderFactory::createReader (encodingDir + "/" + audiofile, params); QVERIFY(reader != nullptr); QString title = reader->getTitle(); QVERIFY(title != QString()); for (int useTemporary = 0; useTemporary <= 1; ++useTemporary) { QString outfile = outDir + "/" + file + ".wav"; WavFileWriter writer(outfile, reader->getSampleRate(), 1, useTemporary ? WavFileWriter::WriteToTemporary : WavFileWriter::WriteToTarget); QVERIFY(writer.isOK()); floatvec_t data { 0.0, 1.0, 0.0, -1.0, 0.0, 1.0, 0.0, -1.0 }; const float *samples = data.data(); bool ok = writer.writeSamples(&samples, 8); QVERIFY(ok); ok = writer.close(); QVERIFY(ok); AudioFileReader *rereader = AudioFileReaderFactory::createReader(outfile, params); QVERIFY(rereader != nullptr); floatvec_t readFrames = rereader->getInterleavedFrames(0, 8); QCOMPARE(readFrames, data); delete rereader; } delete reader; } }; #endif