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authorLorry <lorry@roadtrain.codethink.co.uk>2012-07-18 20:35:05 +0100
committerLorry <lorry@roadtrain.codethink.co.uk>2012-07-18 20:35:05 +0100
commitaceb1f30497619786f1827e4c65992b890a07410 (patch)
treece33ac9d0d076a8ec4f993e614cf71a4d5daa7e7 /src/id3.c
downloadlibsndfile-aceb1f30497619786f1827e4c65992b890a07410.tar.gz
Tarball conversion
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+/*
+** Copyright (C) 2010-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU Lesser General Public License as published by
+** the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser 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 "sfconfig.h"
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "sndfile.h"
+#include "sfendian.h"
+#include "common.h"
+
+int
+id3_skip (SF_PRIVATE * psf)
+{ unsigned char buf [10] ;
+
+ memset (buf, 0, sizeof (buf)) ;
+ psf_binheader_readf (psf, "pb", 0, buf, 10) ;
+
+ if (buf [0] == 'I' && buf [1] == 'D' && buf [2] == '3')
+ { int offset = buf [6] & 0x7f ;
+ offset = (offset << 7) | (buf [7] & 0x7f) ;
+ offset = (offset << 7) | (buf [8] & 0x7f) ;
+ offset = (offset << 7) | (buf [9] & 0x7f) ;
+
+ psf_binheader_readf (psf, "j", make_size_t (offset)) ;
+
+ psf_log_printf (psf, "ID3 length : %d\n--------------------\n", offset) ;
+
+ psf->fileoffset = 10 + offset ;
+ return 1 ;
+ } ;
+
+ return 0 ;
+} /* id3_skip */