/* * This file is part of MPlayer. * * MPlayer 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. * * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef MPLAYER_MP3_HDR_H #define MPLAYER_MP3_HDR_H #include int mp_get_mp3_header(unsigned char* hbuf,int* chans, int* freq, int* spf, int* mpa_layer, int* br); #define mp_decode_mp3_header(hbuf) mp_get_mp3_header(hbuf,NULL,NULL,NULL,NULL,NULL) static inline int mp_check_mp3_header(unsigned int head){ unsigned char tmp[4] = {head >> 24, head >> 16, head >> 8, head}; if( (head & 0xffe00000) != 0xffe00000 || (head & 0x00000c00) == 0x00000c00) return 0; if(mp_decode_mp3_header(tmp)<=0) return 0; return 1; } #endif /* MPLAYER_MP3_HDR_H */