AudioFileFormats.cxx

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/*
 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "AudioFileFormats.hxx"
#include <algorithm>
#include <cctype>

namespace CLAM
{
        EAudioFileFormat EAudioFileFormat::FormatFromFilename( std::string filename )
        {
                std::string::iterator dotPos = std::find( filename.begin(), filename.end(), '.' );
                if ( dotPos == filename.end() )
                        return eWAV;
                std::string extension( dotPos+1, filename.end() );
                for(unsigned i=0; i<extension.size();++i)
                        extension[i] = std::tolower(extension[i]);

                static struct { 
                        const char * extension;
                        Enum::tValue format;
                } extensionMap[] =
                {
                        {"wav",  eWAV},
                        {"ogg",  eVorbisMk1},
                        {"aif",  eAIFF},
                        {"aiff", eAIFF},
                        {"au",   eAU},
                        {"snd",  eAU},
                        {"raw",  eRAW},
                        {"paf",  ePAF},
                        {"svx",  eSVX},
                        {"nist", eNIST},
                        {"voc",  eVOC},
                        {"ircam", eIRCAM},
                        {"w64",  eW64},
                        {"mat4", eMAT4},
                        {"mat5", eMAT5},
                        {"mat",  eMAT5},
                        {"mp1",  eMpegLayer1},
                        {"mp2",  eMpegLayer2},
                        {"mp3",  eMpegLayer3},
                        {0,0}
                };
                for (unsigned i=0; extensionMap[i].extension; i++)
                        if (extension==extensionMap[i].extension)
                                return extensionMap[i].format;
                return eWAV;
        }


}