we don't use these yet.
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@209 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Spoike
parent
3b6dae092b
commit
062140bd41
|
|
@ -0,0 +1,202 @@
|
|||
/********************************************************************
|
||||
* *
|
||||
* 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 1994-2002 *
|
||||
* by the Xiph.Org Foundation http://www.xiph.org/ *
|
||||
* *
|
||||
********************************************************************
|
||||
|
||||
function: toplevel libogg include
|
||||
last mod: $Id$
|
||||
|
||||
********************************************************************/
|
||||
#ifndef _OGG_H
|
||||
#define _OGG_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#include <ogg/os_types.h>
|
||||
|
||||
typedef struct {
|
||||
long endbyte;
|
||||
int endbit;
|
||||
|
||||
unsigned char *buffer;
|
||||
unsigned char *ptr;
|
||||
long storage;
|
||||
} oggpack_buffer;
|
||||
|
||||
/* ogg_page is used to encapsulate the data in one Ogg bitstream page *****/
|
||||
|
||||
typedef struct {
|
||||
unsigned char *header;
|
||||
long header_len;
|
||||
unsigned char *body;
|
||||
long body_len;
|
||||
} ogg_page;
|
||||
|
||||
/* ogg_stream_state contains the current encode/decode state of a logical
|
||||
Ogg bitstream **********************************************************/
|
||||
|
||||
typedef struct {
|
||||
unsigned char *body_data; /* bytes from packet bodies */
|
||||
long body_storage; /* storage elements allocated */
|
||||
long body_fill; /* elements stored; fill mark */
|
||||
long body_returned; /* elements of fill returned */
|
||||
|
||||
|
||||
int *lacing_vals; /* The values that will go to the segment table */
|
||||
ogg_int64_t *granule_vals; /* granulepos values for headers. Not compact
|
||||
this way, but it is simple coupled to the
|
||||
lacing fifo */
|
||||
long lacing_storage;
|
||||
long lacing_fill;
|
||||
long lacing_packet;
|
||||
long lacing_returned;
|
||||
|
||||
unsigned char header[282]; /* working space for header encode */
|
||||
int header_fill;
|
||||
|
||||
int e_o_s; /* set when we have buffered the last packet in the
|
||||
logical bitstream */
|
||||
int b_o_s; /* set after we've written the initial page
|
||||
of a logical bitstream */
|
||||
long serialno;
|
||||
long pageno;
|
||||
ogg_int64_t packetno; /* sequence number for decode; the framing
|
||||
knows where there's a hole in the data,
|
||||
but we need coupling so that the codec
|
||||
(which is in a seperate abstraction
|
||||
layer) also knows about the gap */
|
||||
ogg_int64_t granulepos;
|
||||
|
||||
} ogg_stream_state;
|
||||
|
||||
/* ogg_packet is used to encapsulate the data and metadata belonging
|
||||
to a single raw Ogg/Vorbis packet *************************************/
|
||||
|
||||
typedef struct {
|
||||
unsigned char *packet;
|
||||
long bytes;
|
||||
long b_o_s;
|
||||
long e_o_s;
|
||||
|
||||
ogg_int64_t granulepos;
|
||||
|
||||
ogg_int64_t packetno; /* sequence number for decode; the framing
|
||||
knows where there's a hole in the data,
|
||||
but we need coupling so that the codec
|
||||
(which is in a seperate abstraction
|
||||
layer) also knows about the gap */
|
||||
} ogg_packet;
|
||||
|
||||
typedef struct {
|
||||
unsigned char *data;
|
||||
int storage;
|
||||
int fill;
|
||||
int returned;
|
||||
|
||||
int unsynced;
|
||||
int headerbytes;
|
||||
int bodybytes;
|
||||
} ogg_sync_state;
|
||||
|
||||
/* Ogg BITSTREAM PRIMITIVES: bitstream ************************/
|
||||
|
||||
extern void oggpack_writeinit(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 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_pageout(ogg_stream_state *os, ogg_page *og);
|
||||
extern int ogg_stream_flush(ogg_stream_state *os, ogg_page *og);
|
||||
|
||||
/* 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 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_eos(ogg_stream_state *os);
|
||||
|
||||
extern void ogg_page_checksum_set(ogg_page *og);
|
||||
|
||||
extern int ogg_page_version(ogg_page *og);
|
||||
extern int ogg_page_continued(ogg_page *og);
|
||||
extern int ogg_page_bos(ogg_page *og);
|
||||
extern int ogg_page_eos(ogg_page *og);
|
||||
extern ogg_int64_t ogg_page_granulepos(ogg_page *og);
|
||||
extern int ogg_page_serialno(ogg_page *og);
|
||||
extern long ogg_page_pageno(ogg_page *og);
|
||||
extern int ogg_page_packets(ogg_page *og);
|
||||
|
||||
extern void ogg_packet_clear(ogg_packet *op);
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _OGG_H */
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,106 @@
|
|||
/********************************************************************
|
||||
* *
|
||||
* 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 1994-2002 *
|
||||
* by the Xiph.Org Foundation http://www.xiph.org/ *
|
||||
* *
|
||||
********************************************************************
|
||||
|
||||
function: #ifdef jail to whip a few platforms into the UNIX ideal.
|
||||
last mod: $Id$
|
||||
|
||||
********************************************************************/
|
||||
#ifndef _OS_TYPES_H
|
||||
#define _OS_TYPES_H
|
||||
|
||||
/* make it easy on the folks that want to compile the libs with a
|
||||
different malloc than stdlib */
|
||||
#define _ogg_malloc malloc
|
||||
#define _ogg_calloc calloc
|
||||
#define _ogg_realloc realloc
|
||||
#define _ogg_free free
|
||||
|
||||
#ifdef _WIN32
|
||||
|
||||
# ifndef __GNUC__
|
||||
/* MSVC/Borland */
|
||||
typedef __int64 ogg_int64_t;
|
||||
typedef __int32 ogg_int32_t;
|
||||
typedef unsigned __int32 ogg_uint32_t;
|
||||
typedef __int16 ogg_int16_t;
|
||||
typedef unsigned __int16 ogg_uint16_t;
|
||||
# else
|
||||
/* Cygwin */
|
||||
#include <_G_config.h>
|
||||
typedef _G_int64_t ogg_int64_t;
|
||||
typedef _G_int32_t ogg_int32_t;
|
||||
typedef _G_uint32_t ogg_uint32_t;
|
||||
typedef _G_int16_t ogg_int16_t;
|
||||
typedef _G_uint16_t ogg_uint16_t;
|
||||
# endif
|
||||
|
||||
#elif defined(__MACOS__)
|
||||
|
||||
# include <sys/types.h>
|
||||
typedef SInt16 ogg_int16_t;
|
||||
typedef UInt16 ogg_uint16_t;
|
||||
typedef SInt32 ogg_int32_t;
|
||||
typedef UInt32 ogg_uint32_t;
|
||||
typedef SInt64 ogg_int64_t;
|
||||
|
||||
#elif defined(__MACOSX__) /* MacOS X Framework build */
|
||||
|
||||
# include <sys/types.h>
|
||||
typedef int16_t ogg_int16_t;
|
||||
typedef u_int16_t ogg_uint16_t;
|
||||
typedef int32_t ogg_int32_t;
|
||||
typedef u_int32_t ogg_uint32_t;
|
||||
typedef int64_t ogg_int64_t;
|
||||
|
||||
#elif defined(__BEOS__)
|
||||
|
||||
/* Be */
|
||||
# include <inttypes.h>
|
||||
typedef int16_t ogg_int16_t;
|
||||
typedef u_int16_t ogg_uint16_t;
|
||||
typedef int32_t ogg_int32_t;
|
||||
typedef u_int32_t ogg_uint32_t;
|
||||
typedef int64_t ogg_int64_t;
|
||||
|
||||
#elif defined (__EMX__)
|
||||
|
||||
/* OS/2 GCC */
|
||||
typedef short ogg_int16_t;
|
||||
typedef unsigned short ogg_uint16_t;
|
||||
typedef int ogg_int32_t;
|
||||
typedef unsigned int ogg_uint32_t;
|
||||
typedef long long ogg_int64_t;
|
||||
|
||||
#elif defined (DJGPP)
|
||||
|
||||
/* DJGPP */
|
||||
typedef short ogg_int16_t;
|
||||
typedef int ogg_int32_t;
|
||||
typedef unsigned int ogg_uint32_t;
|
||||
typedef long long ogg_int64_t;
|
||||
|
||||
#elif defined(R5900)
|
||||
|
||||
/* PS2 EE */
|
||||
typedef long ogg_int64_t;
|
||||
typedef int ogg_int32_t;
|
||||
typedef unsigned ogg_uint32_t;
|
||||
typedef short ogg_int16_t;
|
||||
|
||||
#else
|
||||
|
||||
# include <sys/types.h>
|
||||
# include <ogg/config_types.h>
|
||||
|
||||
#endif
|
||||
|
||||
#endif /* _OS_TYPES_H */
|
||||
|
|
@ -0,0 +1,240 @@
|
|||
/********************************************************************
|
||||
* *
|
||||
* 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 1994-2001 *
|
||||
* by the XIPHOPHORUS Company http://www.xiph.org/ *
|
||||
|
||||
********************************************************************
|
||||
|
||||
function: libvorbis codec headers
|
||||
last mod: $Id$
|
||||
|
||||
********************************************************************/
|
||||
|
||||
#ifndef _vorbis_codec_h_
|
||||
#define _vorbis_codec_h_
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
{
|
||||
#endif /* __cplusplus */
|
||||
|
||||
#include <ogg/ogg.h>
|
||||
|
||||
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;
|
||||
|
||||
/* vorbis_dsp_state buffers the current vorbis audio
|
||||
analysis/synthesis state. The DSP state belongs to a specific
|
||||
logical bitstream ****************************************************/
|
||||
typedef struct vorbis_dsp_state{
|
||||
int analysisp;
|
||||
vorbis_info *vi;
|
||||
|
||||
float **pcm;
|
||||
float **pcmret;
|
||||
int pcm_storage;
|
||||
int pcm_current;
|
||||
int pcm_returned;
|
||||
|
||||
int preextrapolate;
|
||||
int eofflag;
|
||||
|
||||
long lW;
|
||||
long W;
|
||||
long nW;
|
||||
long centerW;
|
||||
|
||||
ogg_int64_t granulepos;
|
||||
ogg_int64_t sequence;
|
||||
|
||||
ogg_int64_t glue_bits;
|
||||
ogg_int64_t time_bits;
|
||||
ogg_int64_t floor_bits;
|
||||
ogg_int64_t res_bits;
|
||||
|
||||
void *backend_state;
|
||||
} vorbis_dsp_state;
|
||||
|
||||
typedef struct vorbis_block{
|
||||
/* necessary stream state for linking to the framing abstraction */
|
||||
float **pcm; /* this is a pointer into local storage */
|
||||
oggpack_buffer opb;
|
||||
|
||||
long lW;
|
||||
long W;
|
||||
long nW;
|
||||
int pcmend;
|
||||
int mode;
|
||||
|
||||
int eofflag;
|
||||
ogg_int64_t granulepos;
|
||||
ogg_int64_t sequence;
|
||||
vorbis_dsp_state *vd; /* For read-only access of configuration */
|
||||
|
||||
/* local storage to avoid remallocing; it's up to the mapping to
|
||||
structure it */
|
||||
void *localstore;
|
||||
long localtop;
|
||||
long localalloc;
|
||||
long totaluse;
|
||||
struct alloc_chain *reap;
|
||||
|
||||
/* bitmetrics for the frame */
|
||||
long glue_bits;
|
||||
long time_bits;
|
||||
long floor_bits;
|
||||
long res_bits;
|
||||
|
||||
void *internal;
|
||||
|
||||
} vorbis_block;
|
||||
|
||||
/* vorbis_block is a single block of data to be processed as part of
|
||||
the analysis/synthesis stream; it belongs to a specific logical
|
||||
bitstream, but is independant from other vorbis_blocks belonging to
|
||||
that logical bitstream. *************************************************/
|
||||
|
||||
struct alloc_chain{
|
||||
void *ptr;
|
||||
struct alloc_chain *next;
|
||||
};
|
||||
|
||||
/* vorbis_info contains all the setup information specific to the
|
||||
specific compression/decompression mode in progress (eg,
|
||||
psychoacoustic settings, channel setup, options, codebook
|
||||
etc). vorbis_info and substructures are in backends.h.
|
||||
*********************************************************************/
|
||||
|
||||
/* the comments are not part of vorbis_info so that vorbis_info can be
|
||||
static storage */
|
||||
typedef struct vorbis_comment{
|
||||
/* unlimited user comment fields. libvorbis writes 'libvorbis'
|
||||
whatever vendor is set to in encode */
|
||||
char **user_comments;
|
||||
int *comment_lengths;
|
||||
int comments;
|
||||
char *vendor;
|
||||
|
||||
} vorbis_comment;
|
||||
|
||||
|
||||
/* libvorbis encodes in two abstraction layers; first we perform DSP
|
||||
and produce a packet (see docs/analysis.txt). The packet is then
|
||||
coded into a framed OggSquish bitstream by the second layer (see
|
||||
docs/framing.txt). Decode is the reverse process; we sync/frame
|
||||
the bitstream and extract individual packets, then decode the
|
||||
packet back into PCM audio.
|
||||
|
||||
The extra framing/packetizing is used in streaming formats, such as
|
||||
files. Over the net (such as with UDP), the framing and
|
||||
packetization aren't necessary as they're provided by the transport
|
||||
and the streaming layer is not used */
|
||||
|
||||
/* 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);
|
||||
|
||||
extern int vorbis_block_init(vorbis_dsp_state *v, vorbis_block *vb);
|
||||
extern int vorbis_block_clear(vorbis_block *vb);
|
||||
extern void vorbis_dsp_clear(vorbis_dsp_state *v);
|
||||
extern double vorbis_granule_time(vorbis_dsp_state *v,
|
||||
ogg_int64_t granulepos);
|
||||
|
||||
/* Vorbis PRIMITIVES: analysis/DSP layer ****************************/
|
||||
|
||||
extern int vorbis_analysis_init(vorbis_dsp_state *v,vorbis_info *vi);
|
||||
extern int vorbis_commentheader_out(vorbis_comment *vc, ogg_packet *op);
|
||||
extern int vorbis_analysis_headerout(vorbis_dsp_state *v,
|
||||
vorbis_comment *vc,
|
||||
ogg_packet *op,
|
||||
ogg_packet *op_comm,
|
||||
ogg_packet *op_code);
|
||||
extern float **vorbis_analysis_buffer(vorbis_dsp_state *v,int vals);
|
||||
extern int vorbis_analysis_wrote(vorbis_dsp_state *v,int vals);
|
||||
extern int vorbis_analysis_blockout(vorbis_dsp_state *v,vorbis_block *vb);
|
||||
extern int vorbis_analysis(vorbis_block *vb,ogg_packet *op);
|
||||
|
||||
extern int vorbis_bitrate_addblock(vorbis_block *vb);
|
||||
extern int vorbis_bitrate_flushpacket(vorbis_dsp_state *vd,
|
||||
ogg_packet *op);
|
||||
|
||||
/* Vorbis PRIMITIVES: synthesis layer *******************************/
|
||||
extern int vorbis_synthesis_headerin(vorbis_info *vi,vorbis_comment *vc,
|
||||
ogg_packet *op);
|
||||
|
||||
extern int vorbis_synthesis_init(vorbis_dsp_state *v,vorbis_info *vi);
|
||||
extern int vorbis_synthesis_restart(vorbis_dsp_state *v);
|
||||
extern int vorbis_synthesis(vorbis_block *vb,ogg_packet *op);
|
||||
extern int vorbis_synthesis_trackonly(vorbis_block *vb,ogg_packet *op);
|
||||
extern int vorbis_synthesis_blockin(vorbis_dsp_state *v,vorbis_block *vb);
|
||||
extern int vorbis_synthesis_pcmout(vorbis_dsp_state *v,float ***pcm);
|
||||
extern int vorbis_synthesis_lapout(vorbis_dsp_state *v,float ***pcm);
|
||||
extern int vorbis_synthesis_read(vorbis_dsp_state *v,int samples);
|
||||
extern long vorbis_packet_blocksize(vorbis_info *vi,ogg_packet *op);
|
||||
|
||||
extern int vorbis_synthesis_halfrate(vorbis_info *v,int flag);
|
||||
extern int vorbis_synthesis_halfrate_p(vorbis_info *v);
|
||||
|
||||
/* 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
|
||||
|
||||
|
|
@ -0,0 +1,143 @@
|
|||
/********************************************************************
|
||||
* *
|
||||
* 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 1994-2001 *
|
||||
* by the XIPHOPHORUS Company http://www.xiph.org/ *
|
||||
* *
|
||||
********************************************************************
|
||||
|
||||
function: stdio-based convenience library for opening/seeking/decoding
|
||||
last mod: $Id$
|
||||
|
||||
********************************************************************/
|
||||
|
||||
#ifndef _OV_FILE_H_
|
||||
#define _OV_FILE_H_
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
{
|
||||
#endif /* __cplusplus */
|
||||
|
||||
#include <stdio.h>
|
||||
#include "codec.h"
|
||||
|
||||
/* The function prototypes for the callbacks are basically the same as for
|
||||
* the stdio functions fread, fseek, fclose, ftell.
|
||||
* The one difference is that the FILE * arguments have been replaced with
|
||||
* a void * - this is to be used as a pointer to whatever internal data these
|
||||
* functions might need. In the stdio case, it's just a FILE * cast to a void *
|
||||
*
|
||||
* If you use other functions, check the docs for these functions and return
|
||||
* the right values. For seek_func(), you *MUST* return -1 if the stream is
|
||||
* unseekable
|
||||
*/
|
||||
typedef struct {
|
||||
size_t (*read_func) (void *ptr, size_t size, size_t nmemb, void *datasource);
|
||||
int (*seek_func) (void *datasource, ogg_int64_t offset, int whence);
|
||||
int (*close_func) (void *datasource);
|
||||
long (*tell_func) (void *datasource);
|
||||
} ov_callbacks;
|
||||
|
||||
#define NOTOPEN 0
|
||||
#define PARTOPEN 1
|
||||
#define OPENED 2
|
||||
#define STREAMSET 3
|
||||
#define INITSET 4
|
||||
|
||||
typedef struct OggVorbis_File {
|
||||
void *datasource; /* Pointer to a FILE *, etc. */
|
||||
int seekable;
|
||||
ogg_int64_t offset;
|
||||
ogg_int64_t end;
|
||||
ogg_sync_state oy;
|
||||
|
||||
/* If the FILE handle isn't seekable (eg, a pipe), only the current
|
||||
stream appears */
|
||||
int links;
|
||||
ogg_int64_t *offsets;
|
||||
ogg_int64_t *dataoffsets;
|
||||
long *serialnos;
|
||||
ogg_int64_t *pcmlengths; /* overloaded to maintain binary
|
||||
compatability; x2 size, stores both
|
||||
beginning and end values */
|
||||
vorbis_info *vi;
|
||||
vorbis_comment *vc;
|
||||
|
||||
/* Decoding working state local storage */
|
||||
ogg_int64_t pcm_offset;
|
||||
int ready_state;
|
||||
long current_serialno;
|
||||
int current_link;
|
||||
|
||||
double bittrack;
|
||||
double samptrack;
|
||||
|
||||
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 */
|
||||
|
||||
ov_callbacks callbacks;
|
||||
|
||||
} OggVorbis_File;
|
||||
|
||||
extern int ov_clear(OggVorbis_File *vf);
|
||||
extern int ov_open(FILE *f,OggVorbis_File *vf,char *initial,long ibytes);
|
||||
extern int ov_open_callbacks(void *datasource, OggVorbis_File *vf,
|
||||
char *initial, long ibytes, ov_callbacks callbacks);
|
||||
|
||||
extern int ov_test(FILE *f,OggVorbis_File *vf,char *initial,long ibytes);
|
||||
extern int ov_test_callbacks(void *datasource, OggVorbis_File *vf,
|
||||
char *initial, long ibytes, ov_callbacks callbacks);
|
||||
extern int ov_test_open(OggVorbis_File *vf);
|
||||
|
||||
extern long ov_bitrate(OggVorbis_File *vf,int i);
|
||||
extern long ov_bitrate_instant(OggVorbis_File *vf);
|
||||
extern long ov_streams(OggVorbis_File *vf);
|
||||
extern long ov_seekable(OggVorbis_File *vf);
|
||||
extern long ov_serialnumber(OggVorbis_File *vf,int i);
|
||||
|
||||
extern ogg_int64_t ov_raw_total(OggVorbis_File *vf,int i);
|
||||
extern ogg_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,ogg_int64_t pos);
|
||||
extern int ov_pcm_seek(OggVorbis_File *vf,ogg_int64_t pos);
|
||||
extern int ov_pcm_seek_page(OggVorbis_File *vf,ogg_int64_t pos);
|
||||
extern int ov_time_seek(OggVorbis_File *vf,double pos);
|
||||
extern int ov_time_seek_page(OggVorbis_File *vf,double pos);
|
||||
|
||||
extern int ov_raw_seek_lap(OggVorbis_File *vf,ogg_int64_t pos);
|
||||
extern int ov_pcm_seek_lap(OggVorbis_File *vf,ogg_int64_t pos);
|
||||
extern int ov_pcm_seek_page_lap(OggVorbis_File *vf,ogg_int64_t pos);
|
||||
extern int ov_time_seek_lap(OggVorbis_File *vf,double pos);
|
||||
extern int ov_time_seek_page_lap(OggVorbis_File *vf,double pos);
|
||||
|
||||
extern ogg_int64_t ov_raw_tell(OggVorbis_File *vf);
|
||||
extern ogg_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_float(OggVorbis_File *vf,float ***pcm_channels,int samples,
|
||||
int *bitstream);
|
||||
extern long ov_read(OggVorbis_File *vf,char *buffer,int length,
|
||||
int bigendianp,int word,int sgned,int *bitstream);
|
||||
extern int ov_crosslap(OggVorbis_File *vf1,OggVorbis_File *vf2);
|
||||
|
||||
extern int ov_halfrate(OggVorbis_File *vf,int flag);
|
||||
extern int ov_halfrate_p(OggVorbis_File *vf);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
Loading…
Reference in New Issue