Chris@386: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@386: 
Chris@386: /*
Chris@386:     Sonic Visualiser
Chris@386:     An audio file viewer and annotation editor.
Chris@386:     Centre for Digital Music, Queen Mary, University of London.
Chris@386:     This file copyright 2006 Chris Cannam and QMUL.
Chris@386:     
Chris@386:     This program is free software; you can redistribute it and/or
Chris@386:     modify it under the terms of the GNU General Public License as
Chris@386:     published by the Free Software Foundation; either version 2 of the
Chris@386:     License, or (at your option) any later version.  See the file
Chris@386:     COPYING included with this distribution for more information.
Chris@386: */
Chris@386: 
Chris@386: #include "AudioFileReaderFactory.h"
Chris@386: 
Chris@386: #include "WavFileReader.h"
Chris@823: #include "DecodingWavFileReader.h"
Chris@386: #include "OggVorbisFileReader.h"
Chris@386: #include "MP3FileReader.h"
Chris@386: #include "QuickTimeFileReader.h"
luisf@665: #include "CoreAudioFileReader.h"
Chris@1098: #include "AudioFileSizeEstimator.h"
Chris@1098: 
Chris@1098: #include "base/StorageAdviser.h"
Chris@386: 
Chris@386: #include <QString>
Chris@386: #include <QFileInfo>
Chris@386: #include <iostream>
Chris@386: 
Chris@1161: //#define DEBUG_AUDIO_FILE_READER_FACTORY 1
Chris@1161: 
Chris@386: QString
Chris@386: AudioFileReaderFactory::getKnownExtensions()
Chris@386: {
Chris@386:     std::set<QString> extensions;
Chris@386: 
Chris@386:     WavFileReader::getSupportedExtensions(extensions);
Chris@386: #ifdef HAVE_MAD
Chris@386:     MP3FileReader::getSupportedExtensions(extensions);
Chris@386: #endif
Chris@386: #ifdef HAVE_OGGZ
Chris@386: #ifdef HAVE_FISHSOUND
Chris@386:     OggVorbisFileReader::getSupportedExtensions(extensions);
Chris@386: #endif
Chris@386: #endif
Chris@386: #ifdef HAVE_QUICKTIME
Chris@386:     QuickTimeFileReader::getSupportedExtensions(extensions);
Chris@386: #endif
luisf@665: #ifdef HAVE_COREAUDIO
luisf@665:     CoreAudioFileReader::getSupportedExtensions(extensions);
luisf@665: #endif
Chris@386: 
Chris@386:     QString rv;
Chris@386:     for (std::set<QString>::const_iterator i = extensions.begin();
Chris@386:          i != extensions.end(); ++i) {
Chris@386:         if (i != extensions.begin()) rv += " ";
Chris@386:         rv += "*." + *i;
Chris@386:     }
Chris@386: 
Chris@386:     return rv;
Chris@386: }
Chris@386: 
Chris@386: AudioFileReader *
Chris@920: AudioFileReaderFactory::createReader(FileSource source, 
Chris@1040:                                      sv_samplerate_t targetRate,
Chris@920:                                      bool normalised,
Chris@392:                                      ProgressReporter *reporter)
Chris@386: {
Chris@920:     return create(source, targetRate, normalised, false, reporter);
Chris@386: }
Chris@386: 
Chris@386: AudioFileReader *
Chris@920: AudioFileReaderFactory::createThreadingReader(FileSource source, 
Chris@1040:                                               sv_samplerate_t targetRate,
Chris@920:                                               bool normalised,
Chris@392:                                               ProgressReporter *reporter)
Chris@386: {
Chris@920:     return create(source, targetRate, normalised, true, reporter);
Chris@386: }
Chris@386: 
Chris@386: AudioFileReader *
Chris@920: AudioFileReaderFactory::create(FileSource source, 
Chris@1040:                                sv_samplerate_t targetRate, 
Chris@920:                                bool normalised,
Chris@920:                                bool threading,
Chris@392:                                ProgressReporter *reporter)
Chris@386: {
Chris@386:     QString err;
Chris@386: 
Chris@1161: #ifdef DEBUG_AUDIO_FILE_READER_FACTORY
Chris@1161:     cerr << "AudioFileReaderFactory::createReader(\"" << source.getLocation() << "\"): Requested rate: " << targetRate << endl;
Chris@1161: #endif
Chris@386: 
Chris@667:     if (!source.isOK()) {
Chris@843:         cerr << "AudioFileReaderFactory::createReader(\"" << source.getLocation() << "\": Failed to retrieve source (transmission error?): " << source.getErrorString() << endl;
Chris@667:         return 0;
Chris@667:     }
Chris@667: 
Chris@667:     if (!source.isAvailable()) {
Chris@1161:         cerr << "AudioFileReaderFactory::createReader(\"" << source.getLocation() << "\": Source not found" << endl;
Chris@386:         return 0;
Chris@386:     }
Chris@386: 
Chris@386:     AudioFileReader *reader = 0;
Chris@386: 
Chris@1098:     sv_frame_t estimatedSamples = 
Chris@1098:         AudioFileSizeEstimator::estimate(source, targetRate);
Chris@1098:     
Chris@1097:     CodedAudioFileReader::CacheMode cacheMode =
Chris@1097:         CodedAudioFileReader::CacheInTemporaryFile;
Chris@1097: 
Chris@1098:     if (estimatedSamples > 0) {
Chris@1098:         size_t kb = (estimatedSamples * sizeof(float)) / 1024;
Chris@1098:         StorageAdviser::Recommendation rec =
Chris@1098:             StorageAdviser::recommend(StorageAdviser::SpeedCritical, kb, kb);
Chris@1277:         if ((rec & StorageAdviser::UseMemory) ||
Chris@1277:             (rec & StorageAdviser::PreferMemory)) {
Chris@1098:             cacheMode = CodedAudioFileReader::CacheInMemory;
Chris@1098:         }
Chris@1098:     }
Chris@1098:     
Chris@1097:     CodedAudioFileReader::DecodeMode decodeMode =
Chris@1097:         (threading ?
Chris@1097:          CodedAudioFileReader::DecodeThreaded :
Chris@1097:          CodedAudioFileReader::DecodeAtOnce);
Chris@1097:     
Chris@386:     // Try to construct a preferred reader based on the extension or
Chris@386:     // MIME type.
Chris@386: 
Chris@1097: #define CHECK(reader) if (!reader->isOK()) { delete reader; reader = 0; }
Chris@1097: 
Chris@386:     if (WavFileReader::supports(source)) {
Chris@386: 
Chris@386:         reader = new WavFileReader(source);
Chris@386: 
Chris@1040:         sv_samplerate_t fileRate = reader->getSampleRate();
Chris@386: 
Chris@823:         if (reader->isOK() &&
Chris@823:             (!reader->isQuicklySeekable() ||
Chris@920:              normalised ||
Chris@1101:              (cacheMode == CodedAudioFileReader::CacheInMemory) ||
Chris@823:              (targetRate != 0 && fileRate != targetRate))) {
Chris@823: 
Chris@1161: #ifdef DEBUG_AUDIO_FILE_READER_FACTORY
Chris@1170:             cerr << "AudioFileReaderFactory::createReader: WAV file rate: " << reader->getSampleRate() << ", normalised " << normalised << ", seekable " << reader->isQuicklySeekable() << ", in memory " << (cacheMode == CodedAudioFileReader::CacheInMemory) << ", creating decoding reader" << endl;
Chris@1161: #endif
Chris@1161:             
Chris@386:             delete reader;
Chris@823:             reader = new DecodingWavFileReader
Chris@386:                 (source,
Chris@1097:                  decodeMode, cacheMode,
Chris@823:                  targetRate ? targetRate : fileRate,
Chris@920:                  normalised,
Chris@392:                  reporter);
Chris@1097:             CHECK(reader);
Chris@386:         }
Chris@386:     }
Chris@386:     
Chris@386: #ifdef HAVE_OGGZ
Chris@386: #ifdef HAVE_FISHSOUND
Chris@1097:     if (!reader && OggVorbisFileReader::supports(source)) {
Chris@1097:         reader = new OggVorbisFileReader
Chris@1097:             (source, decodeMode, cacheMode, targetRate, normalised, reporter);
Chris@1097:         CHECK(reader);
Chris@386:     }
Chris@386: #endif
Chris@386: #endif
Chris@386: 
Chris@386: #ifdef HAVE_MAD
Chris@1097:     if (!reader && MP3FileReader::supports(source)) {
Chris@1097:         reader = new MP3FileReader
Chris@1097:             (source, decodeMode, cacheMode, targetRate, normalised, reporter);
Chris@1097:         CHECK(reader);
Chris@386:     }
Chris@386: #endif
Chris@386: 
Chris@386: #ifdef HAVE_QUICKTIME
Chris@1097:     if (!reader && QuickTimeFileReader::supports(source)) {
Chris@1097:         reader = new QuickTimeFileReader
Chris@1097:             (source, decodeMode, cacheMode, targetRate, normalised, reporter);
Chris@1097:         CHECK(reader);
Chris@440:     }
Chris@440: #endif
Chris@440: 
luisf@665: #ifdef HAVE_COREAUDIO
Chris@1097:     if (!reader && CoreAudioFileReader::supports(source)) {
Chris@1097:         reader = new CoreAudioFileReader
Chris@1097:             (source, decodeMode, cacheMode, targetRate, normalised, reporter);
Chris@1097:         CHECK(reader);
luisf@665:     }
luisf@665: #endif
luisf@665: 
Chris@1097:     if (reader) {
Chris@1097:         // The happy case: a reader recognised the file extension &
Chris@1097:         // succeeded in opening the file
Chris@1097:         return reader;
Chris@1097:     }
Chris@1097:     
Chris@440:     // If none of the readers claimed to support this file extension,
Chris@440:     // perhaps the extension is missing or misleading.  Try again,
Chris@440:     // ignoring it.  We have to be confident that the reader won't
Chris@440:     // open just any old text file or whatever and pretend it's
Chris@440:     // succeeded
Chris@440: 
Chris@1097:     reader = new WavFileReader(source);
Chris@440: 
Chris@1097:     sv_samplerate_t fileRate = reader->getSampleRate();
Chris@440: 
Chris@1097:     if (reader->isOK() &&
Chris@1097:         (!reader->isQuicklySeekable() ||
Chris@1097:          normalised ||
Chris@1101:          (cacheMode == CodedAudioFileReader::CacheInMemory) ||
Chris@1097:          (targetRate != 0 && fileRate != targetRate))) {
Chris@823: 
Chris@1161: #ifdef DEBUG_AUDIO_FILE_READER_FACTORY
Chris@1170:         cerr << "AudioFileReaderFactory::createReader: WAV file rate: " << reader->getSampleRate() << ", normalised " << normalised << ", seekable " << reader->isQuicklySeekable() << ", in memory " << (cacheMode == CodedAudioFileReader::CacheInMemory) << ", creating decoding reader" << endl;
Chris@1161: #endif
Chris@440: 
Chris@1097:         delete reader;
Chris@1097:         reader = new DecodingWavFileReader
Chris@1097:             (source,
Chris@1097:              decodeMode, cacheMode,
Chris@1097:              targetRate ? targetRate : fileRate,
Chris@1097:              normalised,
Chris@1097:              reporter);
Chris@1097:     }
Chris@440: 
Chris@1097:     CHECK(reader);
Chris@440:     
Chris@440: #ifdef HAVE_OGGZ
Chris@440: #ifdef HAVE_FISHSOUND
Chris@440:     if (!reader) {
Chris@440:         reader = new OggVorbisFileReader
Chris@1097:             (source, decodeMode, cacheMode, targetRate, normalised, reporter);
Chris@1097:         CHECK(reader);
Chris@440:     }
Chris@440: #endif
Chris@440: #endif
Chris@440: 
Chris@440: #ifdef HAVE_MAD
Chris@440:     if (!reader) {
Chris@440:         reader = new MP3FileReader
Chris@1097:             (source, decodeMode, cacheMode, targetRate, normalised, reporter);
Chris@1097:         CHECK(reader);
Chris@440:     }
Chris@440: #endif
Chris@440: 
Chris@440: #ifdef HAVE_QUICKTIME
Chris@440:     if (!reader) {
Chris@440:         reader = new QuickTimeFileReader
Chris@1097:             (source, decodeMode, cacheMode, targetRate, normalised, reporter);
Chris@1097:         CHECK(reader);
Chris@386:     }
Chris@386: #endif
Chris@386: 
luisf@665: #ifdef HAVE_COREAUDIO
luisf@665:     if (!reader) {
luisf@665:         reader = new CoreAudioFileReader
Chris@1097:             (source, decodeMode, cacheMode, targetRate, normalised, reporter);
Chris@1097:         CHECK(reader);
luisf@665:     }
luisf@665: #endif
luisf@665: 
Chris@1097:     if (!reader) {
Chris@1097:         cerr << "AudioFileReaderFactory::Failed to create a reader for "
Chris@1097:              << "url \"" << source.getLocation()
Chris@1097:              << "\" (content type \""
Chris@1097:              << source.getContentType() << "\")" << endl;
Chris@1097:         return nullptr;
Chris@386:     }
Chris@1097:     
Chris@386:     return reader;
Chris@386: }
Chris@386: