mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-02-20 23:23:47 +00:00
a745fc3757
added libraries: opus flac libsndfile updated: libvorbis libogg openal - Everything works as expected for now. Bare in mind libsndfile needed the check for whether or not it could find the xiph libraries removed in order for this to work.
132 lines
3.4 KiB
C
132 lines
3.4 KiB
C
/*
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** Copyright (C) 2010-2017 Erik de Castro Lopo <erikd@mega-nerd.com>
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU Lesser General Public License as published by
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** the Free Software Foundation; either version 2.1 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU Lesser General Public License for more details.
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**
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** You should have received a copy of the GNU Lesser General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "sfconfig.h"
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#include <stdio.h>
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#include <fcntl.h>
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#include <string.h>
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#include <ctype.h>
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#include "sndfile.h"
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#include "sfendian.h"
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#include "common.h"
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#include "id3.h"
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#if HAVE_MPEG
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#include <lame/lame.h>
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struct id3v1_genre_handler_userdata
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{ int number ;
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const char *ret ;
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} ;
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static void
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id3v1_genre_handler (int number, const char *description, void *userdata)
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{ struct id3v1_genre_handler_userdata *data = (struct id3v1_genre_handler_userdata *) userdata ;
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if (data->number == number)
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data->ret = description ;
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}
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const char *
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id3_lookup_v1_genre (int number)
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{ struct id3v1_genre_handler_userdata data ;
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data.number = number ;
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data.ret = NULL ;
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id3tag_genre_list (id3v1_genre_handler, &data) ;
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return data.ret ;
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}
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#else /* HAVE_MPEG */
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const char *
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id3_lookup_v1_genre (int UNUSED (number))
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{ return NULL ;
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}
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#endif
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int
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id3_skip (SF_PRIVATE * psf)
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{ unsigned char buf [10] ;
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int offset ;
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memset (buf, 0, sizeof (buf)) ;
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psf_binheader_readf (psf, "pb", 0, buf, 10) ;
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if (buf [0] == 'I' && buf [1] == 'D' && buf [2] == '3')
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{ psf->id3_header.minor_version = buf [3] ;
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offset = buf [6] & 0x7f ;
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offset = (offset << 7) | (buf [7] & 0x7f) ;
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offset = (offset << 7) | (buf [8] & 0x7f) ;
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offset = (offset << 7) | (buf [9] & 0x7f) ;
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/*
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** ID3 count field is how many bytes of ID3v2 header FOLLOW the ten
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** bytes of header magic and offset, NOT the total ID3v2 header len.
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*/
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psf->id3_header.len = offset + 10 ;
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psf->id3_header.offset = psf->fileoffset ;
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psf_log_printf (psf, " ID3v2.%d header length : %d\n----------------------------------------\n",
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psf->id3_header.minor_version, psf->id3_header.len) ;
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/* Never want to jump backwards in a file. */
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if (offset < 0)
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return 0 ;
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/* Position ourselves at the new file offset. */
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if (psf->fileoffset + psf->id3_header.len < psf->filelength)
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{ psf_binheader_readf (psf, "p!", psf->id3_header.len) ;
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psf->fileoffset += psf->id3_header.len ;
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return 1 ;
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} ;
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} ;
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return 0 ;
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} /* id3_skip */
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const char *
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id3_process_v2_genre (const char *genre)
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{ int num = 0 ;
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char c ;
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const char *ptr ;
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if (!genre)
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return NULL ;
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/*
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** Genre may require more processing.
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**
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** It is allowed to have numeric references to the genre table from ID3v1.
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** We'll just convert the simple case here, strings of the format "(nnn)".
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*/
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ptr = genre ;
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if (ptr [0] == '(' && (c = *++ ptr) && isdigit (c))
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{ num = c - '0' ;
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while ((c == *++ ptr) && isdigit (c))
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num = num * 10 + (c - '0') ;
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if (c == ')' && (c = *++ ptr) == '\0' && num < 256)
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if ((ptr = id3_lookup_v1_genre (num)))
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return ptr ;
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} ;
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return genre ;
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} /* id3_process_v2_genre */
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