+
−/********************************************************************
+
− *                                                                  *
+
− * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE.   *
+
− *                                                                  *
+
− * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
+
− * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+
− * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
+
− *                                                                  *
+
− * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002    *
+
− * BY THE Xiph.Org FOUNDATION http://www.xiph.org/                  *
+
− *                                                                  *
+
− ********************************************************************
+
−
+
− function: libvorbis codec headers
+
−
+
− ********************************************************************/
+
−
+
−#ifndef _vorbis_codec_h_
+
−#define _vorbis_codec_h_
+
−
+
−#ifdef __cplusplus
+
−extern "C"
+
−{
+
−#endif /* __cplusplus */
+
−
+
−#include "ogg.h"
+
−
+
−struct vorbis_dsp_state;
+
−typedef struct vorbis_dsp_state vorbis_dsp_state;
+
−
+
−typedef struct vorbis_info{
+
−  int version;
+
−  int channels;
+
−  long rate;
+
−
+
−  /* The below bitrate declarations are *hints*.
+
−     Combinations of the three values carry the following implications:
+
−     
+
−     all three set to the same value: 
+
−       implies a fixed rate bitstream
+
−     only nominal set: 
+
−       implies a VBR stream that averages the nominal bitrate.  No hard 
+
−       upper/lower limit
+
−     upper and or lower set: 
+
−       implies a VBR bitstream that obeys the bitrate limits. nominal 
+
−       may also be set to give a nominal rate.
+
−     none set:
+
−       the coder does not care to speculate.
+
−  */
+
−
+
−  long bitrate_upper;
+
−  long bitrate_nominal;
+
−  long bitrate_lower;
+
−  long bitrate_window;
+
−
+
−  void *codec_setup;
+
−} vorbis_info;
+
−
+
−typedef struct vorbis_comment{
+
−  char **user_comments;
+
−  int   *comment_lengths;
+
−  int    comments;
+
−  char  *vendor;
+
−
+
−} vorbis_comment;
+
−
+
−
+
−/* Vorbis PRIMITIVES: general ***************************************/
+
−
+
−extern void     vorbis_info_init(vorbis_info *vi);
+
−extern void     vorbis_info_clear(vorbis_info *vi);
+
−extern int      vorbis_info_blocksize(vorbis_info *vi,int zo);
+
−extern void     vorbis_comment_init(vorbis_comment *vc);
+
−extern void     vorbis_comment_add(vorbis_comment *vc, char *comment); 
+
−extern void     vorbis_comment_add_tag(vorbis_comment *vc, 
+
−				       char *tag, char *contents);
+
−extern char    *vorbis_comment_query(vorbis_comment *vc, char *tag, int count);
+
−extern int      vorbis_comment_query_count(vorbis_comment *vc, char *tag);
+
−extern void     vorbis_comment_clear(vorbis_comment *vc);
+
−
+
−/* Vorbis ERRORS and return codes ***********************************/
+
−
+
−#define OV_FALSE      -1  
+
−#define OV_EOF        -2
+
−#define OV_HOLE       -3
+
−
+
−#define OV_EREAD      -128
+
−#define OV_EFAULT     -129
+
−#define OV_EIMPL      -130
+
−#define OV_EINVAL     -131
+
−#define OV_ENOTVORBIS -132
+
−#define OV_EBADHEADER -133
+
−#define OV_EVERSION   -134
+
−#define OV_ENOTAUDIO  -135
+
−#define OV_EBADPACKET -136
+
−#define OV_EBADLINK   -137
+
−#define OV_ENOSEEK    -138
+
−
+
−#ifdef __cplusplus
+
−}
+
−#endif /* __cplusplus */
+
−
+
−#endif
+
−