godot/thirdparty/libogg/ogg/ogg.h

/********************************************************************
 *                                                                  *
 * THIS FILE IS PART OF THE OggVorbis SOFTWARE 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 SOURCE CODE IS (C) COPYRIGHT 1994-2007             *
 * by the Xiph.Org Foundation http://www.xiph.org/                  *
 *                                                                  *
 ********************************************************************

 function: toplevel libogg include

 ********************************************************************/
#ifndef _OGG_H
#define _OGG_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stddef.h>
#include <ogg/os_types.h>

ogg_iovec_t;

oggpack_buffer;

/* ogg_page is used to encapsulate the data in one Ogg bitstream page *****/

ogg_page;

/* ogg_stream_state contains the current encode/decode state of a logical
   Ogg bitstream **********************************************************/

ogg_stream_state;

/* ogg_packet is used to encapsulate the data and metadata belonging
   to a single raw Ogg/Vorbis packet *************************************/

ogg_packet;

ogg_sync_state;

/* Ogg BITSTREAM PRIMITIVES: bitstream ************************/

extern void  oggpack_writeinit(oggpack_buffer *b);
extern int   oggpack_writecheck(oggpack_buffer *b);
extern void  oggpack_writetrunc(oggpack_buffer *b,long bits);
extern void  oggpack_writealign(oggpack_buffer *b);
extern void  oggpack_writecopy(oggpack_buffer *b,void *source,long bits);
extern void  oggpack_reset(oggpack_buffer *b);
extern void  oggpack_writeclear(oggpack_buffer *b);
extern void  oggpack_readinit(oggpack_buffer *b,unsigned char *buf,int bytes);
extern void  oggpack_write(oggpack_buffer *b,unsigned long value,int bits);
extern long  oggpack_look(oggpack_buffer *b,int bits);
extern long  oggpack_look1(oggpack_buffer *b);
extern void  oggpack_adv(oggpack_buffer *b,int bits);
extern void  oggpack_adv1(oggpack_buffer *b);
extern long  oggpack_read(oggpack_buffer *b,int bits);
extern long  oggpack_read1(oggpack_buffer *b);
extern long  oggpack_bytes(oggpack_buffer *b);
extern long  oggpack_bits(oggpack_buffer *b);
extern unsigned char *oggpack_get_buffer(oggpack_buffer *b);

extern void  oggpackB_writeinit(oggpack_buffer *b);
extern int   oggpackB_writecheck(oggpack_buffer *b);
extern void  oggpackB_writetrunc(oggpack_buffer *b,long bits);
extern void  oggpackB_writealign(oggpack_buffer *b);
extern void  oggpackB_writecopy(oggpack_buffer *b,void *source,long bits);
extern void  oggpackB_reset(oggpack_buffer *b);
extern void  oggpackB_writeclear(oggpack_buffer *b);
extern void  oggpackB_readinit(oggpack_buffer *b,unsigned char *buf,int bytes);
extern void  oggpackB_write(oggpack_buffer *b,unsigned long value,int bits);
extern long  oggpackB_look(oggpack_buffer *b,int bits);
extern long  oggpackB_look1(oggpack_buffer *b);
extern void  oggpackB_adv(oggpack_buffer *b,int bits);
extern void  oggpackB_adv1(oggpack_buffer *b);
extern long  oggpackB_read(oggpack_buffer *b,int bits);
extern long  oggpackB_read1(oggpack_buffer *b);
extern long  oggpackB_bytes(oggpack_buffer *b);
extern long  oggpackB_bits(oggpack_buffer *b);
extern unsigned char *oggpackB_get_buffer(oggpack_buffer *b);

/* Ogg BITSTREAM PRIMITIVES: encoding **************************/

extern int      ogg_stream_packetin(ogg_stream_state *os, ogg_packet *op);
extern int      ogg_stream_iovecin(ogg_stream_state *os, ogg_iovec_t *iov,
                                   int count, long e_o_s, ogg_int64_t granulepos);
extern int      ogg_stream_pageout(ogg_stream_state *os, ogg_page *og);
extern int      ogg_stream_pageout_fill(ogg_stream_state *os, ogg_page *og, int nfill);
extern int      ogg_stream_flush(ogg_stream_state *os, ogg_page *og);
extern int      ogg_stream_flush_fill(ogg_stream_state *os, ogg_page *og, int nfill);

/* Ogg BITSTREAM PRIMITIVES: decoding **************************/

extern int      ogg_sync_init(ogg_sync_state *oy);
extern int      ogg_sync_clear(ogg_sync_state *oy);
extern int      ogg_sync_reset(ogg_sync_state *oy);
extern int      ogg_sync_destroy(ogg_sync_state *oy);
extern int      ogg_sync_check(ogg_sync_state *oy);

extern char    *ogg_sync_buffer(ogg_sync_state *oy, long size);
extern int      ogg_sync_wrote(ogg_sync_state *oy, long bytes);
extern long     ogg_sync_pageseek(ogg_sync_state *oy,ogg_page *og);
extern int      ogg_sync_pageout(ogg_sync_state *oy, ogg_page *og);
extern int      ogg_stream_pagein(ogg_stream_state *os, ogg_page *og);
extern int      ogg_stream_packetout(ogg_stream_state *os,ogg_packet *op);
extern int      ogg_stream_packetpeek(ogg_stream_state *os,ogg_packet *op);

/* Ogg BITSTREAM PRIMITIVES: general ***************************/

extern int      ogg_stream_init(ogg_stream_state *os,int serialno);
extern int      ogg_stream_clear(ogg_stream_state *os);
extern int      ogg_stream_reset(ogg_stream_state *os);
extern int      ogg_stream_reset_serialno(ogg_stream_state *os,int serialno);
extern int      ogg_stream_destroy(ogg_stream_state *os);
extern int      ogg_stream_check(ogg_stream_state *os);
extern int      ogg_stream_eos(ogg_stream_state *os);

extern void     ogg_page_checksum_set(ogg_page *og);

extern int      ogg_page_version(const ogg_page *og);
extern int      ogg_page_continued(const ogg_page *og);
extern int      ogg_page_bos(const ogg_page *og);
extern int      ogg_page_eos(const ogg_page *og);
extern ogg_int64_t  ogg_page_granulepos(const ogg_page *og);
extern int      ogg_page_serialno(const ogg_page *og);
extern long     ogg_page_pageno(const ogg_page *og);
extern int      ogg_page_packets(const ogg_page *og);

extern void     ogg_packet_clear(ogg_packet *op);


#ifdef __cplusplus
}
#endif

#endif  /* _OGG_H */