Mercurial > hg > svcore
view data/fileio/AudioFileReaderFactory.cpp @ 1353:2001fe23e449 3.0-integration
Fixes and updates for 32-bit Windows build
author | Chris Cannam |
---|---|
date | Mon, 09 Jan 2017 11:53:06 +0000 |
parents | c0fece5e7755 |
children | 1c9bbbb6116a |
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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 file copyright 2006 Chris Cannam and QMUL. 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. */ #include "AudioFileReaderFactory.h" #include "WavFileReader.h" #include "DecodingWavFileReader.h" #include "OggVorbisFileReader.h" #include "MP3FileReader.h" #include "CoreAudioFileReader.h" #include "AudioFileSizeEstimator.h" #include "base/StorageAdviser.h" #include <QString> #include <QFileInfo> #include <iostream> QString AudioFileReaderFactory::getKnownExtensions() { std::set<QString> extensions; WavFileReader::getSupportedExtensions(extensions); #ifdef HAVE_MAD MP3FileReader::getSupportedExtensions(extensions); #endif #ifdef HAVE_OGGZ #ifdef HAVE_FISHSOUND OggVorbisFileReader::getSupportedExtensions(extensions); #endif #endif #ifdef HAVE_COREAUDIO CoreAudioFileReader::getSupportedExtensions(extensions); #endif QString rv; for (std::set<QString>::const_iterator i = extensions.begin(); i != extensions.end(); ++i) { if (i != extensions.begin()) rv += " "; rv += "*." + *i; } return rv; } AudioFileReader * AudioFileReaderFactory::createReader(FileSource source, Parameters params, ProgressReporter *reporter) { QString err; SVDEBUG << "AudioFileReaderFactory: url \"" << source.getLocation() << "\": requested rate: " << params.targetRate << (params.targetRate == 0 ? " (use source rate)" : "") << endl; SVDEBUG << "AudioFileReaderFactory: local filename \"" << source.getLocalFilename() << "\", content type \"" << source.getContentType() << "\"" << endl; if (!source.isOK()) { SVCERR << "AudioFileReaderFactory::createReader(\"" << source.getLocation() << "\": Failed to retrieve source (transmission error?): " << source.getErrorString() << endl; return 0; } if (!source.isAvailable()) { SVCERR << "AudioFileReaderFactory::createReader(\"" << source.getLocation() << "\": Source not found" << endl; return 0; } AudioFileReader *reader = 0; sv_samplerate_t targetRate = params.targetRate; bool normalised = (params.normalisation == Normalisation::Peak); sv_frame_t estimatedSamples = AudioFileSizeEstimator::estimate(source, targetRate); CodedAudioFileReader::CacheMode cacheMode = CodedAudioFileReader::CacheInTemporaryFile; if (estimatedSamples > 0) { size_t kb = (estimatedSamples * sizeof(float)) / 1024; SVDEBUG << "AudioFileReaderFactory: checking where to potentially cache " << kb << "K of sample data" << endl; StorageAdviser::Recommendation rec = StorageAdviser::recommend(StorageAdviser::SpeedCritical, kb, kb); if ((rec & StorageAdviser::UseMemory) || (rec & StorageAdviser::PreferMemory)) { SVDEBUG << "AudioFileReaderFactory: cacheing (if at all) in memory" << endl; cacheMode = CodedAudioFileReader::CacheInMemory; } else { SVDEBUG << "AudioFileReaderFactory: cacheing (if at all) on disc" << endl; } } CodedAudioFileReader::DecodeMode decodeMode = (params.threadingMode == ThreadingMode::Threaded ? CodedAudioFileReader::DecodeThreaded : CodedAudioFileReader::DecodeAtOnce); // We go through the set of supported readers at most twice: once // picking out only the readers that claim to support the given // file's extension or MIME type, and (if that fails) again // providing the file to every reader in turn regardless of // extension or type. (If none of the readers claim to support a // file, that may just mean its extension is missing or // misleading. We have to be confident that the reader won't open // just any old text file or whatever and pretend it's succeeded.) for (int any = 0; any <= 1; ++any) { bool anyReader = (any > 0); if (!anyReader) { SVDEBUG << "AudioFileReaderFactory: Checking whether any reader officially handles this source" << endl; } else { SVDEBUG << "AudioFileReaderFactory: Source not officially handled by any reader, trying again with each reader in turn" << endl; } if (anyReader || WavFileReader::supports(source)) { reader = new WavFileReader(source); sv_samplerate_t fileRate = reader->getSampleRate(); if (reader->isOK() && (!reader->isQuicklySeekable() || normalised || (cacheMode == CodedAudioFileReader::CacheInMemory) || (targetRate != 0 && fileRate != targetRate))) { SVDEBUG << "AudioFileReaderFactory: WAV file reader rate: " << reader->getSampleRate() << ", normalised " << normalised << ", seekable " << reader->isQuicklySeekable() << ", in memory " << (cacheMode == CodedAudioFileReader::CacheInMemory) << ", creating decoding reader" << endl; delete reader; reader = new DecodingWavFileReader (source, decodeMode, cacheMode, targetRate ? targetRate : fileRate, normalised, reporter); } if (reader->isOK()) { SVDEBUG << "AudioFileReaderFactory: WAV file reader is OK, returning it" << endl; return reader; } else { delete reader; } } #ifdef HAVE_OGGZ #ifdef HAVE_FISHSOUND if (anyReader || OggVorbisFileReader::supports(source)) { reader = new OggVorbisFileReader (source, decodeMode, cacheMode, targetRate, normalised, reporter); if (reader->isOK()) { SVDEBUG << "AudioFileReaderFactory: Ogg file reader is OK, returning it" << endl; return reader; } else { delete reader; } } #endif #endif #ifdef HAVE_MAD if (anyReader || MP3FileReader::supports(source)) { MP3FileReader::GaplessMode gapless = params.gaplessMode == GaplessMode::Gapless ? MP3FileReader::GaplessMode::Gapless : MP3FileReader::GaplessMode::Gappy; reader = new MP3FileReader (source, decodeMode, cacheMode, gapless, targetRate, normalised, reporter); if (reader->isOK()) { SVDEBUG << "AudioFileReaderFactory: MP3 file reader is OK, returning it" << endl; return reader; } else { delete reader; } } #endif #ifdef HAVE_COREAUDIO if (anyReader || CoreAudioFileReader::supports(source)) { reader = new CoreAudioFileReader (source, decodeMode, cacheMode, targetRate, normalised, reporter); if (reader->isOK()) { SVDEBUG << "AudioFileReaderFactory: CoreAudio reader is OK, returning it" << endl; return reader; } else { delete reader; } } #endif } SVCERR << "AudioFileReaderFactory::Failed to create a reader for " << "url \"" << source.getLocation() << "\" (local filename \"" << source.getLocalFilename() << "\", content type \"" << source.getContentType() << "\")" << endl; return nullptr; }