Mercurial > hg > svcore
view data/fileio/OggVorbisFileReader.cpp @ 718:f3fd2988fc9b
Fix incorrect query structure for output type URIs. This led to some output RDF features being written with type URIs intended for different outputs. Also revert some SVDEBUGs to cerrs -- they are intended as user-visible errors or warnings rather than debug
author | Chris Cannam |
---|---|
date | Mon, 09 Jan 2012 16:28:54 +0000 |
parents | 1424aa29ae95 |
children | a299c4cec0f8 |
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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. 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. */ #ifdef HAVE_OGGZ #ifdef HAVE_FISHSOUND #include "OggVorbisFileReader.h" #include "base/ProgressReporter.h" #include "base/Profiler.h" #include "system/System.h" #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <cmath> #include <QFileInfo> //static int instances = 0; OggVorbisFileReader::OggVorbisFileReader(FileSource source, DecodeMode decodeMode, CacheMode mode, size_t targetRate, ProgressReporter *reporter) : CodedAudioFileReader(mode, targetRate), m_source(source), m_path(source.getLocalFilename()), m_reporter(reporter), m_fileSize(0), m_bytesRead(0), m_commentsRead(false), m_cancelled(false), m_completion(0), m_decodeThread(0) { m_channelCount = 0; m_fileRate = 0; // SVDEBUG << "OggVorbisFileReader::OggVorbisFileReader(" << m_path.toLocal8Bit().data() << "): now have " << (++instances) << " instances" << endl; Profiler profiler("OggVorbisFileReader::OggVorbisFileReader", true); QFileInfo info(m_path); m_fileSize = info.size(); if (!(m_oggz = oggz_open(m_path.toLocal8Bit().data(), OGGZ_READ))) { m_error = QString("File %1 is not an OGG file.").arg(m_path); return; } FishSoundInfo fsinfo; m_fishSound = fish_sound_new(FISH_SOUND_DECODE, &fsinfo); fish_sound_set_decoded_callback(m_fishSound, acceptFrames, this); oggz_set_read_callback(m_oggz, -1, (OggzReadPacket)readPacket, this); if (decodeMode == DecodeAtOnce) { if (m_reporter) { connect(m_reporter, SIGNAL(cancelled()), this, SLOT(cancelled())); m_reporter->setMessage (tr("Decoding %1...").arg(QFileInfo(m_path).fileName())); } while (oggz_read(m_oggz, 1024) > 0); fish_sound_delete(m_fishSound); m_fishSound = 0; oggz_close(m_oggz); m_oggz = 0; if (isDecodeCacheInitialised()) finishDecodeCache(); endSerialised(); } else { if (m_reporter) m_reporter->setProgress(100); while (oggz_read(m_oggz, 1024) > 0 && (m_channelCount == 0 || m_fileRate == 0 || m_sampleRate == 0)); if (m_channelCount > 0) { m_decodeThread = new DecodeThread(this); m_decodeThread->start(); } } } OggVorbisFileReader::~OggVorbisFileReader() { // SVDEBUG << "OggVorbisFileReader::~OggVorbisFileReader(" << m_path.toLocal8Bit().data() << "): now have " << (--instances) << " instances" << endl; if (m_decodeThread) { m_cancelled = true; m_decodeThread->wait(); delete m_decodeThread; } } void OggVorbisFileReader::cancelled() { m_cancelled = true; } void OggVorbisFileReader::DecodeThread::run() { if (m_reader->m_cacheMode == CacheInTemporaryFile) { m_reader->m_completion = 1; m_reader->startSerialised("OggVorbisFileReader::Decode"); } while (oggz_read(m_reader->m_oggz, 1024) > 0); fish_sound_delete(m_reader->m_fishSound); m_reader->m_fishSound = 0; oggz_close(m_reader->m_oggz); m_reader->m_oggz = 0; if (m_reader->isDecodeCacheInitialised()) m_reader->finishDecodeCache(); m_reader->m_completion = 100; m_reader->endSerialised(); } int OggVorbisFileReader::readPacket(OGGZ *, ogg_packet *packet, long, void *data) { OggVorbisFileReader *reader = (OggVorbisFileReader *)data; FishSound *fs = reader->m_fishSound; fish_sound_prepare_truncation(fs, packet->granulepos, packet->e_o_s); fish_sound_decode(fs, packet->packet, packet->bytes); reader->m_bytesRead += packet->bytes; // The number of bytes read by this function is smaller than // the file size because of the packet headers int p = lrint(double(reader->m_bytesRead) * 114 / double(reader->m_fileSize)); if (p > 99) p = 99; reader->m_completion = p; reader->progress(p); if (reader->m_fileSize > 0 && reader->m_reporter) { reader->m_reporter->setProgress(p); } if (reader->m_cancelled) return 1; return 0; } int OggVorbisFileReader::acceptFrames(FishSound *fs, float **frames, long nframes, void *data) { OggVorbisFileReader *reader = (OggVorbisFileReader *)data; if (!reader->m_commentsRead) { const FishSoundComment *comment; comment = fish_sound_comment_first_byname(fs, "TITLE"); if (comment && comment->value) { reader->m_title = QString::fromUtf8(comment->value); } comment = fish_sound_comment_first_byname(fs, "ARTIST"); if (comment && comment->value) { reader->m_maker = QString::fromUtf8(comment->value); } comment = fish_sound_comment_first(fs); while (comment) { reader->m_tags[QString::fromUtf8(comment->name).toUpper()] = QString::fromUtf8(comment->value); comment = fish_sound_comment_next(fs, comment); } reader->m_commentsRead = true; } if (reader->m_channelCount == 0) { FishSoundInfo fsinfo; fish_sound_command(fs, FISH_SOUND_GET_INFO, &fsinfo, sizeof(FishSoundInfo)); reader->m_fileRate = fsinfo.samplerate; reader->m_channelCount = fsinfo.channels; reader->initialiseDecodeCache(); } if (nframes > 0) { reader->addSamplesToDecodeCache(frames, nframes); } if (reader->m_cancelled) return 1; return 0; } void OggVorbisFileReader::getSupportedExtensions(std::set<QString> &extensions) { extensions.insert("ogg"); extensions.insert("oga"); } bool OggVorbisFileReader::supportsExtension(QString extension) { std::set<QString> extensions; getSupportedExtensions(extensions); return (extensions.find(extension.toLower()) != extensions.end()); } bool OggVorbisFileReader::supportsContentType(QString type) { return (type == "application/ogg"); } bool OggVorbisFileReader::supports(FileSource &source) { return (supportsExtension(source.getExtension()) || supportsContentType(source.getContentType())); } #endif #endif