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139 lines
3.6 KiB
C++
139 lines
3.6 KiB
C++
/**
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* \file audio_decoder.cpp
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* \brief IAudioDecoder
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* \date 2012-04-11 09:34GMT
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* \author Jan Boon (Kaetemi)
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* IAudioDecoder
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*/
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/*
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* Copyright (C) 2008-2012 by authors
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*
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* This file is part of RYZOM CORE.
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* RYZOM CORE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* RYZOM CORE is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with RYZOM CORE. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include "stdsound.h"
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#include <nel/sound/audio_decoder.h>
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// STL includes
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// NeL includes
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#include <nel/misc/debug.h>
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#include <nel/misc/path.h>
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// Project includes
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#include <nel/sound/audio_decoder_vorbis.h>
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using namespace std;
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using namespace NLMISC;
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namespace NLSOUND {
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IAudioDecoder::IAudioDecoder() : _InternalStream(NULL)
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{
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}
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IAudioDecoder::~IAudioDecoder()
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{
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if (_InternalStream) { delete _InternalStream; _InternalStream = NULL; }
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}
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IAudioDecoder *IAudioDecoder::createAudioDecoder(const std::string &filepath, bool async, bool loop)
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{
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std::string lookup = CPath::lookup(filepath, false);
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if (lookup.empty())
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{
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nlwarning("Music file %s does not exist!", filepath.c_str());
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return NULL;
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}
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std::string type = CFile::getExtension(filepath);
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CIFile *ifile = new CIFile();
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ifile->setCacheFileOnOpen(!async);
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ifile->allowBNPCacheFileOnOpen(!async);
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ifile->open(lookup);
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IAudioDecoder *mb = createAudioDecoder(type, ifile, loop);
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if (mb) mb->_InternalStream = ifile;
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else delete ifile;
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return mb;
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}
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IAudioDecoder *IAudioDecoder::createAudioDecoder(const std::string &type, NLMISC::IStream *stream, bool loop)
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{
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if (!stream)
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{
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nlwarning("Stream is NULL");
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return NULL;
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}
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std::string type_lower = toLower(type);
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if (type_lower == "ogg")
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{
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return new CAudioDecoderVorbis(stream, loop);
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}
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else
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{
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nlwarning("Music file type unknown: '%s'", type_lower.c_str());
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return NULL;
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}
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}
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bool IAudioDecoder::getInfo(const std::string &filepath, std::string &artist, std::string &title)
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{
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std::string lookup = CPath::lookup(filepath, false);
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if (lookup.empty())
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{
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nlwarning("Music file %s does not exist!", filepath.c_str());
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return false;
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}
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std::string type = CFile::getExtension(filepath);
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std::string type_lower = NLMISC::toLower(type);
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if (type_lower == "ogg")
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{
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CIFile ifile;
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ifile.setCacheFileOnOpen(false);
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ifile.allowBNPCacheFileOnOpen(false);
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ifile.open(lookup);
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return CAudioDecoderVorbis::getInfo(&ifile, artist, title);
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}
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else
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{
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nlwarning("Music file type unknown: '%s'", type_lower.c_str());
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artist.clear(); title.clear();
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return false;
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}
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}
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/// Get audio/container extensions that are currently supported by the nel sound library.
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void IAudioDecoder::getMusicExtensions(std::vector<std::string> &extensions)
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{
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extensions.push_back("ogg");
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// extensions.push_back("wav"); // TODO: Easy.
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}
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/// Return if a music extension is supported by the nel sound library.
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bool IAudioDecoder::isMusicExtensionSupported(const std::string &extension)
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{
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return (extension == "ogg");
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}
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} /* namespace NLSOUND */
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/* end of file */
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