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00001 /*************************************************************************** 00002 copyright : (C) 2015 by Tsuda Kageyu 00003 email : tsuda.kageyu@gmail.com 00004 ***************************************************************************/ 00005 00006 /*************************************************************************** 00007 * This library is free software; you can redistribute it and/or modify * 00008 * it under the terms of the GNU Lesser General Public License version * 00009 * 2.1 as published by the Free Software Foundation. * 00010 * * 00011 * This library is distributed in the hope that it will be useful, but * 00012 * WITHOUT ANY WARRANTY; without even the implied warranty of * 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00014 * Lesser General Public License for more details. * 00015 * * 00016 * You should have received a copy of the GNU Lesser General Public * 00017 * License along with this library; if not, write to the Free Software * 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 00019 * 02110-1301 USA * 00020 * * 00021 * Alternatively, this file is available under the Mozilla Public * 00022 * License Version 1.1. You may obtain a copy of the License at * 00023 * http://www.mozilla.org/MPL/ * 00024 ***************************************************************************/ 00025 00026 #ifndef TAGLIB_MPEGUTILS_H 00027 #define TAGLIB_MPEGUTILS_H 00028 00029 // THIS FILE IS NOT A PART OF THE TAGLIB API 00030 00031 #ifndef DO_NOT_DOCUMENT // tell Doxygen not to document this header 00032 00033 namespace TagLib 00034 { 00035 namespace MPEG 00036 { 00037 namespace 00038 { 00039 00045 inline bool firstSyncByte(unsigned char byte) 00046 { 00047 return (byte == 0xFF); 00048 } 00049 00050 inline bool secondSynchByte(unsigned char byte) 00051 { 00052 // 0xFF is possible in theory, but it's very unlikely be a header. 00053 00054 return (byte != 0xFF && ((byte & 0xE0) == 0xE0)); 00055 } 00056 00057 } 00058 } 00059 } 00060 00061 #endif 00062 00063 #endif