1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/libs/ogg/ogg.h	Sat Feb 01 19:58:19 2014 +0200
     1.3 @@ -0,0 +1,210 @@
     1.4 +/********************************************************************
     1.5 + *                                                                  *
     1.6 + * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
     1.7 + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
     1.8 + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
     1.9 + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
    1.10 + *                                                                  *
    1.11 + * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007             *
    1.12 + * by the Xiph.Org Foundation http://www.xiph.org/                  *
    1.13 + *                                                                  *
    1.14 + ********************************************************************
    1.15 +
    1.16 + function: toplevel libogg include
    1.17 + last mod: $Id: ogg.h 18044 2011-08-01 17:55:20Z gmaxwell $
    1.18 +
    1.19 + ********************************************************************/
    1.20 +#ifndef _OGG_H
    1.21 +#define _OGG_H
    1.22 +
    1.23 +#ifdef __cplusplus
    1.24 +extern "C" {
    1.25 +#endif
    1.26 +
    1.27 +#include <stddef.h>
    1.28 +#include <ogg/os_types.h>
    1.29 +
    1.30 +typedef struct {
    1.31 +  void *iov_base;
    1.32 +  size_t iov_len;
    1.33 +} ogg_iovec_t;
    1.34 +
    1.35 +typedef struct {
    1.36 +  long endbyte;
    1.37 +  int  endbit;
    1.38 +
    1.39 +  unsigned char *buffer;
    1.40 +  unsigned char *ptr;
    1.41 +  long storage;
    1.42 +} oggpack_buffer;
    1.43 +
    1.44 +/* ogg_page is used to encapsulate the data in one Ogg bitstream page *****/
    1.45 +
    1.46 +typedef struct {
    1.47 +  unsigned char *header;
    1.48 +  long header_len;
    1.49 +  unsigned char *body;
    1.50 +  long body_len;
    1.51 +} ogg_page;
    1.52 +
    1.53 +/* ogg_stream_state contains the current encode/decode state of a logical
    1.54 +   Ogg bitstream **********************************************************/
    1.55 +
    1.56 +typedef struct {
    1.57 +  unsigned char   *body_data;    /* bytes from packet bodies */
    1.58 +  long    body_storage;          /* storage elements allocated */
    1.59 +  long    body_fill;             /* elements stored; fill mark */
    1.60 +  long    body_returned;         /* elements of fill returned */
    1.61 +
    1.62 +
    1.63 +  int     *lacing_vals;      /* The values that will go to the segment table */
    1.64 +  ogg_int64_t *granule_vals; /* granulepos values for headers. Not compact
    1.65 +                                this way, but it is simple coupled to the
    1.66 +                                lacing fifo */
    1.67 +  long    lacing_storage;
    1.68 +  long    lacing_fill;
    1.69 +  long    lacing_packet;
    1.70 +  long    lacing_returned;
    1.71 +
    1.72 +  unsigned char    header[282];      /* working space for header encode */
    1.73 +  int              header_fill;
    1.74 +
    1.75 +  int     e_o_s;          /* set when we have buffered the last packet in the
    1.76 +                             logical bitstream */
    1.77 +  int     b_o_s;          /* set after we've written the initial page
    1.78 +                             of a logical bitstream */
    1.79 +  long    serialno;
    1.80 +  long    pageno;
    1.81 +  ogg_int64_t  packetno;  /* sequence number for decode; the framing
    1.82 +                             knows where there's a hole in the data,
    1.83 +                             but we need coupling so that the codec
    1.84 +                             (which is in a separate abstraction
    1.85 +                             layer) also knows about the gap */
    1.86 +  ogg_int64_t   granulepos;
    1.87 +
    1.88 +} ogg_stream_state;
    1.89 +
    1.90 +/* ogg_packet is used to encapsulate the data and metadata belonging
    1.91 +   to a single raw Ogg/Vorbis packet *************************************/
    1.92 +
    1.93 +typedef struct {
    1.94 +  unsigned char *packet;
    1.95 +  long  bytes;
    1.96 +  long  b_o_s;
    1.97 +  long  e_o_s;
    1.98 +
    1.99 +  ogg_int64_t  granulepos;
   1.100 +
   1.101 +  ogg_int64_t  packetno;     /* sequence number for decode; the framing
   1.102 +                                knows where there's a hole in the data,
   1.103 +                                but we need coupling so that the codec
   1.104 +                                (which is in a separate abstraction
   1.105 +                                layer) also knows about the gap */
   1.106 +} ogg_packet;
   1.107 +
   1.108 +typedef struct {
   1.109 +  unsigned char *data;
   1.110 +  int storage;
   1.111 +  int fill;
   1.112 +  int returned;
   1.113 +
   1.114 +  int unsynced;
   1.115 +  int headerbytes;
   1.116 +  int bodybytes;
   1.117 +} ogg_sync_state;
   1.118 +
   1.119 +/* Ogg BITSTREAM PRIMITIVES: bitstream ************************/
   1.120 +
   1.121 +extern void  oggpack_writeinit(oggpack_buffer *b);
   1.122 +extern int   oggpack_writecheck(oggpack_buffer *b);
   1.123 +extern void  oggpack_writetrunc(oggpack_buffer *b,long bits);
   1.124 +extern void  oggpack_writealign(oggpack_buffer *b);
   1.125 +extern void  oggpack_writecopy(oggpack_buffer *b,void *source,long bits);
   1.126 +extern void  oggpack_reset(oggpack_buffer *b);
   1.127 +extern void  oggpack_writeclear(oggpack_buffer *b);
   1.128 +extern void  oggpack_readinit(oggpack_buffer *b,unsigned char *buf,int bytes);
   1.129 +extern void  oggpack_write(oggpack_buffer *b,unsigned long value,int bits);
   1.130 +extern long  oggpack_look(oggpack_buffer *b,int bits);
   1.131 +extern long  oggpack_look1(oggpack_buffer *b);
   1.132 +extern void  oggpack_adv(oggpack_buffer *b,int bits);
   1.133 +extern void  oggpack_adv1(oggpack_buffer *b);
   1.134 +extern long  oggpack_read(oggpack_buffer *b,int bits);
   1.135 +extern long  oggpack_read1(oggpack_buffer *b);
   1.136 +extern long  oggpack_bytes(oggpack_buffer *b);
   1.137 +extern long  oggpack_bits(oggpack_buffer *b);
   1.138 +extern unsigned char *oggpack_get_buffer(oggpack_buffer *b);
   1.139 +
   1.140 +extern void  oggpackB_writeinit(oggpack_buffer *b);
   1.141 +extern int   oggpackB_writecheck(oggpack_buffer *b);
   1.142 +extern void  oggpackB_writetrunc(oggpack_buffer *b,long bits);
   1.143 +extern void  oggpackB_writealign(oggpack_buffer *b);
   1.144 +extern void  oggpackB_writecopy(oggpack_buffer *b,void *source,long bits);
   1.145 +extern void  oggpackB_reset(oggpack_buffer *b);
   1.146 +extern void  oggpackB_writeclear(oggpack_buffer *b);
   1.147 +extern void  oggpackB_readinit(oggpack_buffer *b,unsigned char *buf,int bytes);
   1.148 +extern void  oggpackB_write(oggpack_buffer *b,unsigned long value,int bits);
   1.149 +extern long  oggpackB_look(oggpack_buffer *b,int bits);
   1.150 +extern long  oggpackB_look1(oggpack_buffer *b);
   1.151 +extern void  oggpackB_adv(oggpack_buffer *b,int bits);
   1.152 +extern void  oggpackB_adv1(oggpack_buffer *b);
   1.153 +extern long  oggpackB_read(oggpack_buffer *b,int bits);
   1.154 +extern long  oggpackB_read1(oggpack_buffer *b);
   1.155 +extern long  oggpackB_bytes(oggpack_buffer *b);
   1.156 +extern long  oggpackB_bits(oggpack_buffer *b);
   1.157 +extern unsigned char *oggpackB_get_buffer(oggpack_buffer *b);
   1.158 +
   1.159 +/* Ogg BITSTREAM PRIMITIVES: encoding **************************/
   1.160 +
   1.161 +extern int      ogg_stream_packetin(ogg_stream_state *os, ogg_packet *op);
   1.162 +extern int      ogg_stream_iovecin(ogg_stream_state *os, ogg_iovec_t *iov,
   1.163 +                                   int count, long e_o_s, ogg_int64_t granulepos);
   1.164 +extern int      ogg_stream_pageout(ogg_stream_state *os, ogg_page *og);
   1.165 +extern int      ogg_stream_pageout_fill(ogg_stream_state *os, ogg_page *og, int nfill);
   1.166 +extern int      ogg_stream_flush(ogg_stream_state *os, ogg_page *og);
   1.167 +extern int      ogg_stream_flush_fill(ogg_stream_state *os, ogg_page *og, int nfill);
   1.168 +
   1.169 +/* Ogg BITSTREAM PRIMITIVES: decoding **************************/
   1.170 +
   1.171 +extern int      ogg_sync_init(ogg_sync_state *oy);
   1.172 +extern int      ogg_sync_clear(ogg_sync_state *oy);
   1.173 +extern int      ogg_sync_reset(ogg_sync_state *oy);
   1.174 +extern int      ogg_sync_destroy(ogg_sync_state *oy);
   1.175 +extern int      ogg_sync_check(ogg_sync_state *oy);
   1.176 +
   1.177 +extern char    *ogg_sync_buffer(ogg_sync_state *oy, long size);
   1.178 +extern int      ogg_sync_wrote(ogg_sync_state *oy, long bytes);
   1.179 +extern long     ogg_sync_pageseek(ogg_sync_state *oy,ogg_page *og);
   1.180 +extern int      ogg_sync_pageout(ogg_sync_state *oy, ogg_page *og);
   1.181 +extern int      ogg_stream_pagein(ogg_stream_state *os, ogg_page *og);
   1.182 +extern int      ogg_stream_packetout(ogg_stream_state *os,ogg_packet *op);
   1.183 +extern int      ogg_stream_packetpeek(ogg_stream_state *os,ogg_packet *op);
   1.184 +
   1.185 +/* Ogg BITSTREAM PRIMITIVES: general ***************************/
   1.186 +
   1.187 +extern int      ogg_stream_init(ogg_stream_state *os,int serialno);
   1.188 +extern int      ogg_stream_clear(ogg_stream_state *os);
   1.189 +extern int      ogg_stream_reset(ogg_stream_state *os);
   1.190 +extern int      ogg_stream_reset_serialno(ogg_stream_state *os,int serialno);
   1.191 +extern int      ogg_stream_destroy(ogg_stream_state *os);
   1.192 +extern int      ogg_stream_check(ogg_stream_state *os);
   1.193 +extern int      ogg_stream_eos(ogg_stream_state *os);
   1.194 +
   1.195 +extern void     ogg_page_checksum_set(ogg_page *og);
   1.196 +
   1.197 +extern int      ogg_page_version(const ogg_page *og);
   1.198 +extern int      ogg_page_continued(const ogg_page *og);
   1.199 +extern int      ogg_page_bos(const ogg_page *og);
   1.200 +extern int      ogg_page_eos(const ogg_page *og);
   1.201 +extern ogg_int64_t  ogg_page_granulepos(const ogg_page *og);
   1.202 +extern int      ogg_page_serialno(const ogg_page *og);
   1.203 +extern long     ogg_page_pageno(const ogg_page *og);
   1.204 +extern int      ogg_page_packets(const ogg_page *og);
   1.205 +
   1.206 +extern void     ogg_packet_clear(ogg_packet *op);
   1.207 +
   1.208 +
   1.209 +#ifdef __cplusplus
   1.210 +}
   1.211 +#endif
   1.212 +
   1.213 +#endif  /* _OGG_H */