dec_vorbis.h

Aqualung is an advanced music player primarily targeted for the GNU/Linux operating system, but als

/*                                                     -*- linux-c -*-
    Copyright (C) 2005 Tom Szilagyi

    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., 675 Mass Ave, Cambridge, MA 02139, USA.

    $Id: dec_vorbis.h,v 1.4 2006/08/11 08:04:10 tszilagyi Exp $
*/


#ifndef _DEC_VORBIS_H
#define _DEC_VORBIS_H

#ifdef HAVE_OGG_VORBIS
#ifdef _WIN32
#undef _WIN32
#include <vorbis/vorbisfile.h>
#define _WIN32
#else
#include <vorbis/vorbisfile.h>
#endif /* _WIN32 */
#endif /* HAVE_OGG_VORBIS */

#include "file_decoder.h"


/* Decoding buffer size for Vorbis */
#define VORBIS_BUFSIZE 4096
/* size of ringbuffer for decoded Vorbis data (in frames) */
#define RB_VORBIS_SIZE 262144


#ifdef HAVE_OGG_VORBIS
typedef struct _vorbis_pdata_t {
        rb_t * rb;
        FILE * vorbis_file;
        OggVorbis_File vf;
        vorbis_info * vi;
        int is_eos;
} vorbis_pdata_t;
#endif /* HAVE_OGG_VORBIS */


decoder_t * vorbis_decoder_init(file_decoder_t * fdec);
#ifdef HAVE_OGG_VORBIS
void vorbis_decoder_destroy(decoder_t * dec);
int vorbis_decoder_open(decoder_t * dec, char * filename);
void vorbis_decoder_close(decoder_t * dec);
unsigned int vorbis_decoder_read(decoder_t * dec, float * dest, int num);
void vorbis_decoder_seek(decoder_t * dec, unsigned long long seek_to_pos);
#endif /* HAVE_OGG_VORBIS */


#endif /* _DEC_VORBIS_H */

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