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/********************************************************************
* *
* THIS FILE IS PART OF THE Ogg Vorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
* THE GNU PUBLIC LICENSE 2, WHICH IS INCLUDED WITH THIS SOURCE. *
* PLEASE READ THESE TERMS DISTRIBUTING. *
* *
* THE OggSQUISH SOURCE CODE IS (C) COPYRIGHT 1994-2000 *
* by Monty <monty@xiph.org> and The XIPHOPHORUS Company *
* http://www.xiph.org/ *
* *
********************************************************************
function: stdio-based convenience library for opening/seeking/decoding
last mod: $Id: vorbisfile.h,v 1.2 2000/01/28 09:05:02 xiphmont Exp $
********************************************************************/
#ifndef _OV_FILE_H_
#define _OV_FILE_H_
#include <stdio.h>
#include "codec.h"
typedef struct {
FILE *f;
int seekable;
long offset;
long end;
ogg_sync_state oy;
/* If the FILE handle isn't seekable (eg, a pipe), only the current
stream appears */
int links;
long *offsets;
long *dataoffsets;
long *serialnos;
int64_t *pcmlengths;
vorbis_info *vi;
vorbis_comment *vc;
/* Decoding working state local storage */
int64_t pcm_offset;
int decode_ready;
long current_serialno;
int current_link;
ogg_stream_state os; /* take physical pages, weld into a logical
stream of packets */
vorbis_dsp_state vd; /* central working state for the packet->PCM decoder */
vorbis_block vb; /* local working space for packet->PCM decode */
} OggVorbis_File;
extern int ov_clear(OggVorbis_File *vf);
extern int ov_open(FILE *f,OggVorbis_File *vf,char *initial,long ibytes);
extern long ov_bitrate(OggVorbis_File *vf,int i);
extern long ov_streams(OggVorbis_File *vf);
extern long ov_seekable(OggVorbis_File *vf);
extern long ov_serialnumber(OggVorbis_File *vf,int i);
extern long ov_raw_total(OggVorbis_File *vf,int i);
extern int64_t ov_pcm_total(OggVorbis_File *vf,int i);
extern double ov_time_total(OggVorbis_File *vf,int i);
extern int ov_raw_seek(OggVorbis_File *vf,long pos);
extern int ov_pcm_seek(OggVorbis_File *vf,int64_t pos);
extern int ov_time_seek(OggVorbis_File *vf,double pos);
extern long ov_raw_tell(OggVorbis_File *vf);
extern int64_t ov_pcm_tell(OggVorbis_File *vf);
extern double ov_time_tell(OggVorbis_File *vf);
extern vorbis_info *ov_info(OggVorbis_File *vf,int link);
extern vorbis_comment *ov_comment(OggVorbis_File *vf,int link);
extern long ov_read(OggVorbis_File *vf,char *buffer,int length,
int bigendianp,int word,int sgned,int *bitstream);
#endif
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