vorbisfile.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <math.h>
#include "vorbis/codec.h"
#include "vorbis/vorbisfile.h"
#include "os.h"
#include "misc.h"

Go to the source code of this file.

Macros
#define	CHUNKSIZE   65536 /* greater-than-page-size granularity seeking */
#define	OV_EXCLUDE_STATIC_CALLBACKS
#define	READSIZE   2048 /* a smaller read size is needed for low-rate streaming. */

Functions
static void	_add_serialno (ogg_page *og, long **serialno_list, int *n)
static int	_bisect_forward_serialno (OggVorbis_File *vf, ogg_int64_t begin, ogg_int64_t searched, ogg_int64_t end, ogg_int64_t endgran, int endserial, long *currentno_list, int currentnos, long m)
static void	_decode_clear (OggVorbis_File *vf)
static int	_fetch_and_process_packet (OggVorbis_File *vf, ogg_packet *op_in, int readp, int spanp)
static int	_fetch_headers (OggVorbis_File *vf, vorbis_info *vi, vorbis_comment *vc, long **serialno_list, int *serialno_n, ogg_page *og_ptr)
static int	_fseek64_wrap (FILE *f, ogg_int64_t off, int whence)
static long	_get_data (OggVorbis_File *vf)
static ogg_int64_t	_get_next_page (OggVorbis_File *vf, ogg_page *og, ogg_int64_t boundary)
static ogg_int64_t	_get_prev_page (OggVorbis_File *vf, ogg_page *og)
static ogg_int64_t	_get_prev_page_serial (OggVorbis_File *vf, long *serial_list, int serial_n, int *serialno, ogg_int64_t *granpos)
static ogg_int64_t	_initial_pcmoffset (OggVorbis_File *vf, vorbis_info *vi)
static int	_lookup_page_serialno (ogg_page *og, long *serialno_list, int n)
static int	_lookup_serialno (long s, long *serialno_list, int n)
static int	_make_decode_ready (OggVorbis_File *vf)
static int	_open_seekable2 (OggVorbis_File *vf)
static int	_ov_64_seek_lap (OggVorbis_File *vf, ogg_int64_t pos, int(*localseek)(OggVorbis_File *, ogg_int64_t))
static int	_ov_d_seek_lap (OggVorbis_File *vf, double pos, int(*localseek)(OggVorbis_File *, double))
static void	_ov_getlap (OggVorbis_File *vf, vorbis_info *vi, vorbis_dsp_state *vd, float **lappcm, int lapsize)
static int	_ov_initprime (OggVorbis_File *vf)
static int	_ov_initset (OggVorbis_File *vf)
static int	_ov_open1 (void *f, OggVorbis_File *vf, const char *initial, long ibytes, ov_callbacks callbacks)
static int	_ov_open2 (OggVorbis_File *vf)
static void	_ov_splice (float **pcm, float **lappcm, int n1, int n2, int ch1, int ch2, float *w1, float *w2)
static int	_seek_helper (OggVorbis_File *vf, ogg_int64_t offset)
static int	host_is_big_endian ()
long	ov_bitrate (OggVorbis_File *vf, int i)
long	ov_bitrate_instant (OggVorbis_File *vf)
int	ov_clear (OggVorbis_File *vf)
vorbis_comment *	ov_comment (OggVorbis_File *vf, int link)
int	ov_crosslap (OggVorbis_File *vf1, OggVorbis_File *vf2)
int	ov_fopen (const char *path, OggVorbis_File *vf)
int	ov_halfrate (OggVorbis_File *vf, int flag)
int	ov_halfrate_p (OggVorbis_File *vf)
vorbis_info *	ov_info (OggVorbis_File *vf, int link)
int	ov_open (FILE *f, OggVorbis_File *vf, const char *initial, long ibytes)
int	ov_open_callbacks (void *f, OggVorbis_File *vf, const char *initial, long ibytes, ov_callbacks callbacks)
int	ov_pcm_seek (OggVorbis_File *vf, ogg_int64_t pos)
int	ov_pcm_seek_lap (OggVorbis_File *vf, ogg_int64_t pos)
int	ov_pcm_seek_page (OggVorbis_File *vf, ogg_int64_t pos)
int	ov_pcm_seek_page_lap (OggVorbis_File *vf, ogg_int64_t pos)
ogg_int64_t	ov_pcm_tell (OggVorbis_File *vf)
ogg_int64_t	ov_pcm_total (OggVorbis_File *vf, int i)
int	ov_raw_seek (OggVorbis_File *vf, ogg_int64_t pos)
int	ov_raw_seek_lap (OggVorbis_File *vf, ogg_int64_t pos)
ogg_int64_t	ov_raw_tell (OggVorbis_File *vf)
ogg_int64_t	ov_raw_total (OggVorbis_File *vf, int i)
long	ov_read (OggVorbis_File *vf, char *buffer, int length, int bigendianp, int word, int sgned, int *bitstream)
long	ov_read_filter (OggVorbis_File *vf, char *buffer, int length, int bigendianp, int word, int sgned, int *bitstream, void(*filter)(float **pcm, long channels, long samples, void *filter_param), void *filter_param)
long	ov_read_float (OggVorbis_File *vf, float ***pcm_channels, int length, int *bitstream)
long	ov_seekable (OggVorbis_File *vf)
long	ov_serialnumber (OggVorbis_File *vf, int i)
long	ov_streams (OggVorbis_File *vf)
int	ov_test (FILE *f, OggVorbis_File *vf, const char *initial, long ibytes)
int	ov_test_callbacks (void *f, OggVorbis_File *vf, const char *initial, long ibytes, ov_callbacks callbacks)
int	ov_test_open (OggVorbis_File *vf)
int	ov_time_seek (OggVorbis_File *vf, double seconds)
int	ov_time_seek_lap (OggVorbis_File *vf, double pos)
int	ov_time_seek_page (OggVorbis_File *vf, double seconds)
int	ov_time_seek_page_lap (OggVorbis_File *vf, double pos)
double	ov_time_tell (OggVorbis_File *vf)
double	ov_time_total (OggVorbis_File *vf, int i)
float *	vorbis_window (vorbis_dsp_state *v, int W)

Macro Definition Documentation

#define CHUNKSIZE   65536 /* greater-than-page-size granularity seeking */

Definition at line 64 of file vorbisfile.c.

Referenced by _bisect_forward_serialno(), _fetch_headers(), _get_prev_page(), _get_prev_page_serial(), and ov_pcm_seek_page().

#define OV_EXCLUDE_STATIC_CALLBACKS

Definition at line 27 of file vorbisfile.c.

#define READSIZE   2048 /* a smaller read size is needed for low-rate streaming. */

Definition at line 65 of file vorbisfile.c.

Referenced by _get_data().

Function Documentation

static void _add_serialno ( ogg_page *  og, long **  serialno_list, int *  n  )

static

Definition at line 188 of file vorbisfile.c.

References _ogg_malloc, _ogg_realloc, and ogg_page_serialno().

Referenced by _fetch_headers().

static int _bisect_forward_serialno ( OggVorbis_File *  vf, ogg_int64_t  begin, ogg_int64_t  searched, ogg_int64_t  end, ogg_int64_t  endgran, int  endserial, long *  currentno_list, int  currentnos, long  m  )

static

Definition at line 466 of file vorbisfile.c.

References _fetch_headers(), _get_next_page(), _get_prev_page_serial(), _initial_pcmoffset(), _lookup_page_serialno(), _lookup_serialno(), _ogg_free, _ogg_malloc, _ogg_realloc, _seek_helper(), CHUNKSIZE, OggVorbis_File::dataoffsets, OggVorbis_File::links, m, NULL, OggVorbis_File::offset, OggVorbis_File::offsets, OggVorbis_File::os, OV_EREAD, OggVorbis_File::pcmlengths, ret, ogg_stream_state::serialno, OggVorbis_File::serialnos, OggVorbis_File::vc, OggVorbis_File::vi, and vi.

Referenced by _open_seekable2().

static void _decode_clear ( OggVorbis_File *  vf )

static

Definition at line 659 of file vorbisfile.c.

References OPENED, OggVorbis_File::ready_state, OggVorbis_File::vb, OggVorbis_File::vd, vorbis_block_clear(), and vorbis_dsp_clear().

Referenced by _fetch_and_process_packet(), ov_pcm_seek(), ov_pcm_seek_page(), and ov_raw_seek().

static int _fetch_and_process_packet ( OggVorbis_File *  vf, ogg_packet *  op_in, int  readp, int  spanp  )

static

Definition at line 676 of file vorbisfile.c.

References _decode_clear(), _fetch_headers(), _get_next_page(), _make_decode_ready(), OggVorbis_File::bittrack, ogg_packet::bytes, OggVorbis_File::current_link, OggVorbis_File::current_serialno, ogg_packet::e_o_s, ogg_packet::granulepos, ogg_page::header_len, i, INITSET, OggVorbis_File::links, NULL, ogg_page_bos(), ogg_page_serialno(), ogg_stream_packetout(), ogg_stream_pagein(), ogg_stream_reset_serialno(), OPENED, OggVorbis_File::os, OV_EFAULT, OV_EOF, OV_HOLE, OggVorbis_File::pcm_offset, OggVorbis_File::pcmlengths, OggVorbis_File::ready_state, ret, OggVorbis_File::samptrack, OggVorbis_File::seekable, ogg_stream_state::serialno, OggVorbis_File::serialnos, STREAMSET, OggVorbis_File::vb, OggVorbis_File::vc, OggVorbis_File::vd, OggVorbis_File::vi, vorbis_comment_clear(), vorbis_info_clear(), vorbis_synthesis(), vorbis_synthesis_blockin(), vorbis_synthesis_halfrate_p(), and vorbis_synthesis_pcmout().

Referenced by _ov_getlap(), _ov_initprime(), _ov_initset(), ov_pcm_seek(), ov_read_filter(), and ov_read_float().

static int _fetch_headers ( OggVorbis_File *  vf, vorbis_info *  vi, vorbis_comment *  vc, long **  serialno_list, int *  serialno_n, ogg_page *  og_ptr  )

static

Definition at line 281 of file vorbisfile.c.

References _add_serialno(), _get_next_page(), _lookup_page_serialno(), _ogg_free, CHUNKSIZE, i, ogg_page_bos(), ogg_page_serialno(), ogg_stream_packetout(), ogg_stream_pagein(), ogg_stream_reset_serialno(), OPENED, OggVorbis_File::os, OV_EBADHEADER, OV_ENOTVORBIS, OV_EREAD, OggVorbis_File::ready_state, ret, ogg_stream_state::serialno, STREAMSET, vorbis_comment_clear(), vorbis_comment_init(), vorbis_info_clear(), vorbis_info_init(), vorbis_synthesis_headerin(), and vorbis_synthesis_idheader().

Referenced by _bisect_forward_serialno(), _fetch_and_process_packet(), and _ov_open1().

static int _fseek64_wrap ( FILE *  f, ogg_int64_t  off, int  whence  )

static

Definition at line 873 of file vorbisfile.c.

References NULL.

Referenced by ov_open(), and ov_test().

static long _get_data ( OggVorbis_File *  vf )

static

Definition at line 67 of file vorbisfile.c.

References OggVorbis_File::callbacks, OggVorbis_File::datasource, ogg_sync_buffer(), ogg_sync_wrote(), OggVorbis_File::oy, ov_callbacks::read_func, and READSIZE.

Referenced by _get_next_page().

static ogg_int64_t _get_next_page ( OggVorbis_File *  vf, ogg_page *  og, ogg_int64_t  boundary  )

static

Definition at line 108 of file vorbisfile.c.

References _get_data(), OggVorbis_File::offset, ogg_sync_pageseek(), OV_EOF, OV_EREAD, OV_FALSE, OggVorbis_File::oy, and ret.

Referenced by _bisect_forward_serialno(), _fetch_and_process_packet(), _fetch_headers(), _get_prev_page(), _get_prev_page_serial(), _initial_pcmoffset(), ov_pcm_seek(), ov_pcm_seek_page(), and ov_raw_seek().

static ogg_int64_t _get_prev_page ( OggVorbis_File *  vf, ogg_page *  og  )

static

Definition at line 146 of file vorbisfile.c.

References _get_next_page(), _seek_helper(), CHUNKSIZE, ogg_page::header_len, memset, OggVorbis_File::offset, OV_EFAULT, OV_EREAD, and ret.

Referenced by ov_pcm_seek_page().

static ogg_int64_t _get_prev_page_serial ( OggVorbis_File *  vf, long *  serial_list, int  serial_n, int *  serialno, ogg_int64_t *  granpos  )

static

Definition at line 223 of file vorbisfile.c.

References _get_next_page(), _lookup_serialno(), _seek_helper(), CHUNKSIZE, OggVorbis_File::offset, ogg_page_granulepos(), ogg_page_serialno(), OV_EREAD, and ret.

Referenced by _bisect_forward_serialno(), and _open_seekable2().

static ogg_int64_t _initial_pcmoffset ( OggVorbis_File *  vf, vorbis_info *  vi  )

static

Definition at line 421 of file vorbisfile.c.

References _get_next_page(), ogg_page_bos(), ogg_page_granulepos(), ogg_page_serialno(), ogg_stream_packetout(), ogg_stream_pagein(), OggVorbis_File::os, ogg_stream_state::serialno, and vorbis_packet_blocksize().

Referenced by _bisect_forward_serialno(), and _open_seekable2().

static int _lookup_page_serialno ( ogg_page *  og, long *  serialno_list, int  n  )

static

Definition at line 212 of file vorbisfile.c.

References _lookup_serialno(), and ogg_page_serialno().

Referenced by _bisect_forward_serialno(), and _fetch_headers().

static int _lookup_serialno ( long  s, long *  serialno_list, int  n  )

static

Definition at line 202 of file vorbisfile.c.

Referenced by _bisect_forward_serialno(), _get_prev_page_serial(), and _lookup_page_serialno().

static int _make_decode_ready ( OggVorbis_File *  vf )

static

Definition at line 599 of file vorbisfile.c.

References OggVorbis_File::bittrack, OggVorbis_File::current_link, INITSET, OV_EBADLINK, OV_EFAULT, OggVorbis_File::ready_state, OggVorbis_File::samptrack, OggVorbis_File::seekable, STREAMSET, OggVorbis_File::vb, OggVorbis_File::vd, OggVorbis_File::vi, vorbis_block_init(), and vorbis_synthesis_init().

Referenced by _fetch_and_process_packet(), and ov_pcm_seek().

static int _open_seekable2 ( OggVorbis_File *  vf )

static

Definition at line 616 of file vorbisfile.c.

References _bisect_forward_serialno(), _get_prev_page_serial(), _initial_pcmoffset(), OggVorbis_File::callbacks, OggVorbis_File::dataoffsets, OggVorbis_File::datasource, OggVorbis_File::end, OggVorbis_File::offset, OggVorbis_File::offsets, OggVorbis_File::os, OV_EINVAL, OV_EREAD, ov_raw_seek(), OggVorbis_File::pcmlengths, SEEK_END, ov_callbacks::seek_func, ogg_stream_state::serialno, OggVorbis_File::serialnos, ov_callbacks::tell_func, and OggVorbis_File::vi.

Referenced by _ov_open2().

static int _ov_64_seek_lap ( OggVorbis_File *  vf, ogg_int64_t  pos, int(*)(OggVorbis_File *, ogg_int64_t)  localseek  )

static

Definition at line 2221 of file vorbisfile.c.

References _ov_getlap(), _ov_initprime(), _ov_initset(), _ov_splice(), vorbis_info::channels, i, OPENED, OV_EINVAL, ov_halfrate_p(), ov_info(), OggVorbis_File::ready_state, ret, OggVorbis_File::vd, vi, vorbis_info_blocksize(), vorbis_synthesis_lapout(), and vorbis_window().

Referenced by ov_pcm_seek_lap(), ov_pcm_seek_page_lap(), and ov_raw_seek_lap().

static int _ov_d_seek_lap ( OggVorbis_File *  vf, double  pos, int(*)(OggVorbis_File *, double)  localseek  )

static

Definition at line 2282 of file vorbisfile.c.

References _ov_getlap(), _ov_initprime(), _ov_initset(), _ov_splice(), vorbis_info::channels, i, OPENED, OV_EINVAL, ov_halfrate_p(), ov_info(), OggVorbis_File::ready_state, ret, OggVorbis_File::vd, vi, vorbis_info_blocksize(), vorbis_synthesis_lapout(), and vorbis_window().

Referenced by ov_time_seek_lap(), and ov_time_seek_page_lap().

static void _ov_getlap ( OggVorbis_File *  vf, vorbis_info *  vi, vorbis_dsp_state *  vd, float **  lappcm, int  lapsize  )

static

Definition at line 2128 of file vorbisfile.c.

References _fetch_and_process_packet(), vorbis_info::channels, i, memcpy, memset, NULL, OV_EOF, ret, OggVorbis_File::vd, vorbis_synthesis_lapout(), vorbis_synthesis_pcmout(), and vorbis_synthesis_read().

Referenced by _ov_64_seek_lap(), _ov_d_seek_lap(), and ov_crosslap().

static int _ov_initprime ( OggVorbis_File *  vf )

static

Definition at line 2110 of file vorbisfile.c.

References _fetch_and_process_packet(), INITSET, NULL, OV_HOLE, OggVorbis_File::ready_state, ret, OggVorbis_File::vd, and vorbis_synthesis_pcmout().

Referenced by _ov_64_seek_lap(), _ov_d_seek_lap(), and ov_crosslap().

static int _ov_initset ( OggVorbis_File *  vf )

static

Definition at line 2095 of file vorbisfile.c.

References _fetch_and_process_packet(), INITSET, NULL, OV_HOLE, OggVorbis_File::ready_state, and ret.

Referenced by _ov_64_seek_lap(), _ov_d_seek_lap(), and ov_crosslap().

static int _ov_open1 ( void *  f, OggVorbis_File *  vf, const char *  initial, long  ibytes, ov_callbacks  callbacks  )

static

Definition at line 878 of file vorbisfile.c.

References _fetch_headers(), _ogg_calloc, _ogg_free, OggVorbis_File::callbacks, OggVorbis_File::current_serialno, OggVorbis_File::dataoffsets, OggVorbis_File::datasource, OggVorbis_File::links, memcpy, memset, NULL, OggVorbis_File::offset, OggVorbis_File::offsets, ogg_stream_init(), ogg_sync_buffer(), ogg_sync_init(), ogg_sync_wrote(), OggVorbis_File::os, ov_clear(), OggVorbis_File::oy, PARTOPEN, OggVorbis_File::ready_state, ret, SEEK_CUR, ov_callbacks::seek_func, OggVorbis_File::seekable, ogg_stream_state::serialno, OggVorbis_File::serialnos, OggVorbis_File::vc, and OggVorbis_File::vi.

Referenced by ov_open_callbacks(), and ov_test_callbacks().

static int _ov_open2 ( OggVorbis_File *  vf )

static

Definition at line 937 of file vorbisfile.c.

References _open_seekable2(), OggVorbis_File::datasource, NULL, OPENED, ov_clear(), OV_EINVAL, PARTOPEN, OggVorbis_File::ready_state, ret, OggVorbis_File::seekable, and STREAMSET.

Referenced by ov_open_callbacks(), and ov_test_open().

static void _ov_splice ( float **  pcm, float **  lappcm, int  n1, int  n2, int  ch1, int  ch2, float *  w1, float *  w2  )

static

Definition at line 2059 of file vorbisfile.c.

References d, i, and j.

Referenced by _ov_64_seek_lap(), _ov_d_seek_lap(), and ov_crosslap().

static int _seek_helper ( OggVorbis_File *  vf, ogg_int64_t  offset  )

static

Definition at line 81 of file vorbisfile.c.

References OggVorbis_File::callbacks, OggVorbis_File::datasource, OggVorbis_File::offset, ogg_sync_reset(), OV_EFAULT, OV_EREAD, OggVorbis_File::oy, ov_callbacks::seek_func, and SEEK_SET.

Referenced by _bisect_forward_serialno(), _get_prev_page(), _get_prev_page_serial(), ov_pcm_seek_page(), and ov_raw_seek().

static int host_is_big_endian ( )

static

Definition at line 1826 of file vorbisfile.c.

Referenced by ov_read_filter().

long ov_bitrate	(	OggVorbis_File *	vf,
		int	i
	)

Definition at line 1101 of file vorbisfile.c.

References vorbis_info::bitrate_lower, vorbis_info::bitrate_nominal, vorbis_info::bitrate_upper, OggVorbis_File::dataoffsets, i, OggVorbis_File::links, OggVorbis_File::offsets, OPENED, ov_bitrate(), OV_EINVAL, OV_FALSE, ov_time_total(), OggVorbis_File::ready_state, OggVorbis_File::seekable, and OggVorbis_File::vi.

Referenced by ov_bitrate().

long ov_bitrate_instant

(

OggVorbis_File *

vf

)

Definition at line 1143 of file vorbisfile.c.

References OggVorbis_File::bittrack, OggVorbis_File::current_link, OPENED, OV_EINVAL, OV_FALSE, vorbis_info::rate, OggVorbis_File::ready_state, ret, OggVorbis_File::samptrack, OggVorbis_File::seekable, and OggVorbis_File::vi.

int ov_clear

(

OggVorbis_File *

vf

)

Definition at line 955 of file vorbisfile.c.

References _ogg_free, OggVorbis_File::callbacks, ov_callbacks::close_func, OggVorbis_File::dataoffsets, OggVorbis_File::datasource, i, OggVorbis_File::links, memset, OggVorbis_File::offsets, ogg_stream_clear(), ogg_sync_clear(), OggVorbis_File::os, OggVorbis_File::oy, OggVorbis_File::pcmlengths, OggVorbis_File::serialnos, OggVorbis_File::vb, OggVorbis_File::vc, OggVorbis_File::vd, OggVorbis_File::vi, vorbis_block_clear(), vorbis_comment_clear(), vorbis_dsp_clear(), and vorbis_info_clear().

Referenced by _ov_open1(), _ov_open2(), and Zeni::Sound_Buffer::load_ogg_vorbis().

vorbis_comment* ov_comment	(	OggVorbis_File *	vf,
		int	link
	)

Definition at line 1809 of file vorbisfile.c.

References OggVorbis_File::current_link, OggVorbis_File::links, NULL, OggVorbis_File::ready_state, OggVorbis_File::seekable, STREAMSET, and OggVorbis_File::vc.

Referenced by Zeni::Sound_Stream_AL::Sound_Stream_AL().

int ov_crosslap	(	OggVorbis_File *	vf1,
		OggVorbis_File *	vf2
	)

Definition at line 2168 of file vorbisfile.c.

References _ov_getlap(), _ov_initprime(), _ov_initset(), _ov_splice(), vorbis_info::channels, i, OPENED, OV_EINVAL, ov_halfrate_p(), ov_info(), OggVorbis_File::ready_state, ret, OggVorbis_File::vd, vorbis_info_blocksize(), vorbis_synthesis_lapout(), and vorbis_window().

int ov_fopen	(	const char *	path,
		OggVorbis_File *	vf
	)

Definition at line 1011 of file vorbisfile.c.

References NULL, ov_open(), and ret.

Referenced by Zeni::Sound_Buffer::load_ogg_vorbis(), and Zeni::Sound_Stream_AL::Sound_Stream_AL().

int ov_halfrate	(	OggVorbis_File *	vf,
		int	flag
	)

Definition at line 1025 of file vorbisfile.c.

References i, OggVorbis_File::links, NULL, OV_EINVAL, ov_halfrate(), ov_pcm_seek(), OggVorbis_File::pcm_offset, OggVorbis_File::ready_state, STREAMSET, OggVorbis_File::vb, OggVorbis_File::vd, OggVorbis_File::vi, vorbis_block_clear(), vorbis_dsp_clear(), and vorbis_synthesis_halfrate().

Referenced by ov_halfrate().

int ov_halfrate_p

(

OggVorbis_File *

vf

)

Definition at line 1050 of file vorbisfile.c.

References NULL, OV_EINVAL, OggVorbis_File::vi, and vorbis_synthesis_halfrate_p().

Referenced by _ov_64_seek_lap(), _ov_d_seek_lap(), and ov_crosslap().

vorbis_info* ov_info	(	OggVorbis_File *	vf,
		int	link
	)

Definition at line 1791 of file vorbisfile.c.

References OggVorbis_File::current_link, OggVorbis_File::links, NULL, OggVorbis_File::ready_state, OggVorbis_File::seekable, STREAMSET, and OggVorbis_File::vi.

Referenced by _ov_64_seek_lap(), _ov_d_seek_lap(), Zeni::Sound_Buffer::load_ogg_vorbis(), ov_crosslap(), ov_read_filter(), and Zeni::Sound_Stream_AL::Sound_Stream_AL().

int ov_open	(	FILE *	f,
		OggVorbis_File *	vf,
		const char *	initial,
		long	ibytes
	)

Definition at line 1000 of file vorbisfile.c.

References _fseek64_wrap(), int, and ov_open_callbacks().

Referenced by ov_fopen().

int ov_open_callbacks	(	void *	f,
		OggVorbis_File *	vf,
		const char *	initial,
		long	ibytes,
		ov_callbacks	callbacks
	)

Definition at line 993 of file vorbisfile.c.

References _ov_open1(), _ov_open2(), and ret.

Referenced by ov_open().

int ov_pcm_seek	(	OggVorbis_File *	vf,
		ogg_int64_t	pos
	)

Definition at line 1590 of file vorbisfile.c.

References _decode_clear(), _fetch_and_process_packet(), _get_next_page(), _make_decode_ready(), OggVorbis_File::bittrack, OggVorbis_File::current_link, OggVorbis_File::current_serialno, ogg_packet::granulepos, i, OggVorbis_File::links, NULL, ogg_page_bos(), ogg_page_serialno(), ogg_stream_packetout(), ogg_stream_packetpeek(), ogg_stream_pagein(), ogg_stream_reset_serialno(), OggVorbis_File::os, OV_HOLE, ov_pcm_seek_page(), ov_pcm_total(), OggVorbis_File::pcm_offset, OggVorbis_File::pcmlengths, OggVorbis_File::ready_state, ret, OggVorbis_File::samptrack, OggVorbis_File::serialnos, STREAMSET, OggVorbis_File::vb, OggVorbis_File::vd, OggVorbis_File::vi, vorbis_info_blocksize(), vorbis_packet_blocksize(), vorbis_synthesis_blockin(), vorbis_synthesis_halfrate_p(), vorbis_synthesis_pcmout(), vorbis_synthesis_read(), and vorbis_synthesis_trackonly().

Referenced by ov_halfrate(), ov_pcm_seek_lap(), and ov_time_seek().

int ov_pcm_seek_lap	(	OggVorbis_File *	vf,
		ogg_int64_t	pos
	)

Definition at line 2274 of file vorbisfile.c.

References _ov_64_seek_lap(), and ov_pcm_seek().

int ov_pcm_seek_page	(	OggVorbis_File *	vf,
		ogg_int64_t	pos
	)

Definition at line 1404 of file vorbisfile.c.

References _decode_clear(), _get_next_page(), _get_prev_page(), _seek_helper(), OggVorbis_File::bittrack, CHUNKSIZE, OggVorbis_File::current_link, OggVorbis_File::current_serialno, ogg_packet::granulepos, OggVorbis_File::links, NULL, OggVorbis_File::offset, OggVorbis_File::offsets, ogg_page_continued(), ogg_page_granulepos(), ogg_page_serialno(), ogg_stream_packetout(), ogg_stream_packetpeek(), ogg_stream_pagein(), ogg_stream_reset_serialno(), OPENED, OggVorbis_File::os, OV_EBADPACKET, OV_EFAULT, OV_EINVAL, OV_ENOSEEK, OV_EREAD, ov_pcm_total(), ov_raw_seek(), OggVorbis_File::pcm_offset, OggVorbis_File::pcmlengths, OggVorbis_File::ready_state, OggVorbis_File::samptrack, OggVorbis_File::seekable, OggVorbis_File::serialnos, STREAMSET, OggVorbis_File::vd, and vorbis_synthesis_restart().

Referenced by ov_pcm_seek(), ov_pcm_seek_page_lap(), and ov_time_seek_page().

int ov_pcm_seek_page_lap	(	OggVorbis_File *	vf,
		ogg_int64_t	pos
	)

Definition at line 2278 of file vorbisfile.c.

References _ov_64_seek_lap(), and ov_pcm_seek_page().

ogg_int64_t ov_pcm_tell

(

OggVorbis_File *

vf

)

Definition at line 1756 of file vorbisfile.c.

References OPENED, OV_EINVAL, OggVorbis_File::pcm_offset, and OggVorbis_File::ready_state.

ogg_int64_t ov_pcm_total	(	OggVorbis_File *	vf,
		int	i
	)

Definition at line 1189 of file vorbisfile.c.

References i, OggVorbis_File::links, OPENED, OV_EINVAL, ov_pcm_total(), OggVorbis_File::pcmlengths, OggVorbis_File::ready_state, and OggVorbis_File::seekable.

Referenced by Zeni::Sound_Buffer::load_ogg_vorbis(), ov_pcm_seek(), ov_pcm_seek_page(), ov_pcm_total(), ov_raw_seek(), and ov_time_tell().

int ov_raw_seek	(	OggVorbis_File *	vf,
		ogg_int64_t	pos
	)

Definition at line 1229 of file vorbisfile.c.

References _decode_clear(), _get_next_page(), _seek_helper(), OggVorbis_File::bittrack, vorbis_info::codec_setup, OggVorbis_File::current_link, OggVorbis_File::current_serialno, OggVorbis_File::dataoffsets, OggVorbis_File::end, ogg_packet::granulepos, i, OggVorbis_File::links, NULL, OggVorbis_File::offsets, ogg_page_bos(), ogg_page_eos(), ogg_page_serialno(), ogg_stream_clear(), ogg_stream_init(), ogg_stream_packetout(), ogg_stream_pagein(), ogg_stream_reset(), ogg_stream_reset_serialno(), OPENED, OggVorbis_File::os, OV_EBADLINK, OV_EINVAL, OV_ENOSEEK, ov_pcm_total(), OggVorbis_File::pcm_offset, OggVorbis_File::pcmlengths, OggVorbis_File::ready_state, ret, OggVorbis_File::samptrack, OggVorbis_File::seekable, OggVorbis_File::serialnos, STREAMSET, OggVorbis_File::vd, OggVorbis_File::vi, vorbis_packet_blocksize(), and vorbis_synthesis_restart().

Referenced by _open_seekable2(), ov_pcm_seek_page(), ov_raw_seek_lap(), and Zeni::Sound_Stream_AL::play().

int ov_raw_seek_lap	(	OggVorbis_File *	vf,
		ogg_int64_t	pos
	)

Definition at line 2270 of file vorbisfile.c.

References _ov_64_seek_lap(), and ov_raw_seek().

ogg_int64_t ov_raw_tell

(

OggVorbis_File *

vf

)

Definition at line 1750 of file vorbisfile.c.

References OggVorbis_File::offset, OPENED, OV_EINVAL, and OggVorbis_File::ready_state.

ogg_int64_t ov_raw_total	(	OggVorbis_File *	vf,
		int	i
	)

Definition at line 1170 of file vorbisfile.c.

References i, OggVorbis_File::links, OggVorbis_File::offsets, OPENED, OV_EINVAL, ov_raw_total(), OggVorbis_File::ready_state, and OggVorbis_File::seekable.

Referenced by ov_raw_total().

long ov_read	(	OggVorbis_File *	vf,
		char *	buffer,
		int	length,
		int	bigendianp,
		int	word,
		int	sgned,
		int *	bitstream
	)

Definition at line 2007 of file vorbisfile.c.

References NULL, and ov_read_filter().

Referenced by Zeni::Sound_Buffer::load_ogg_vorbis().

long ov_read_filter	(	OggVorbis_File *	vf,
		char *	buffer,
		int	length,
		int	bigendianp,
		int	word,
		int	sgned,
		int *	bitstream,
		void(*)(float **pcm, long channels, long samples, void *filter_param)	filter,
		void *	filter_param
	)

Definition at line 1869 of file vorbisfile.c.

References _fetch_and_process_packet(), vorbis_info::channels, OggVorbis_File::current_link, host_is_big_endian(), i, INITSET, j, NULL, OPENED, OV_EINVAL, OV_EOF, ov_info(), OggVorbis_File::pcm_offset, OggVorbis_File::ready_state, ret, OggVorbis_File::vd, OggVorbis_File::vi, vorbis_fpu_restore, vorbis_fpu_setround, vorbis_ftoi(), vorbis_synthesis_halfrate_p(), vorbis_synthesis_pcmout(), and vorbis_synthesis_read().

Referenced by ov_read().

long ov_read_float	(	OggVorbis_File *	vf,
		float ***	pcm_channels,
		int	length,
		int *	bitstream
	)

Definition at line 2026 of file vorbisfile.c.

References _fetch_and_process_packet(), OggVorbis_File::current_link, INITSET, NULL, OPENED, OV_EINVAL, OV_EOF, OggVorbis_File::pcm_offset, OggVorbis_File::ready_state, ret, OggVorbis_File::vd, OggVorbis_File::vi, vorbis_synthesis_halfrate_p(), vorbis_synthesis_pcmout(), and vorbis_synthesis_read().

long ov_seekable

(

OggVorbis_File *

vf

)

Definition at line 1088 of file vorbisfile.c.

References OggVorbis_File::seekable.

long ov_serialnumber	(	OggVorbis_File *	vf,
		int	i
	)

Definition at line 1155 of file vorbisfile.c.

References OggVorbis_File::current_serialno, OggVorbis_File::links, ov_serialnumber(), OggVorbis_File::seekable, and OggVorbis_File::serialnos.

Referenced by ov_serialnumber().

long ov_streams

(

OggVorbis_File *

vf

)

Definition at line 1083 of file vorbisfile.c.

References OggVorbis_File::links.

int ov_test	(	FILE *	f,
		OggVorbis_File *	vf,
		const char *	initial,
		long	ibytes
	)

Definition at line 1066 of file vorbisfile.c.

References _fseek64_wrap(), int, and ov_test_callbacks().

int ov_test_callbacks	(	void *	f,
		OggVorbis_File *	vf,
		const char *	initial,
		long	ibytes,
		ov_callbacks	callbacks
	)

Definition at line 1060 of file vorbisfile.c.

References _ov_open1().

Referenced by ov_test().

int ov_test_open

(

OggVorbis_File *

vf

)

Definition at line 1077 of file vorbisfile.c.

References _ov_open2(), OV_EINVAL, PARTOPEN, and OggVorbis_File::ready_state.

int ov_time_seek	(	OggVorbis_File *	vf,
		double	seconds
	)

Definition at line 1690 of file vorbisfile.c.

References OggVorbis_File::links, OPENED, OV_EINVAL, OV_ENOSEEK, ov_pcm_seek(), ov_time_total(), OggVorbis_File::pcmlengths, vorbis_info::rate, OggVorbis_File::ready_state, OggVorbis_File::seekable, and OggVorbis_File::vi.

Referenced by ov_time_seek_lap(), Zeni::Sound_Stream_AL::set_time(), and Zeni::Sound_Stream_AL::Sound_Stream_AL().

int ov_time_seek_lap	(	OggVorbis_File *	vf,
		double	pos
	)

Definition at line 2331 of file vorbisfile.c.

References _ov_d_seek_lap(), and ov_time_seek().

int ov_time_seek_page	(	OggVorbis_File *	vf,
		double	seconds
	)

Definition at line 1720 of file vorbisfile.c.

References OggVorbis_File::links, OPENED, OV_EINVAL, OV_ENOSEEK, ov_pcm_seek_page(), ov_time_total(), OggVorbis_File::pcmlengths, vorbis_info::rate, OggVorbis_File::ready_state, OggVorbis_File::seekable, and OggVorbis_File::vi.

Referenced by ov_time_seek_page_lap().

int ov_time_seek_page_lap	(	OggVorbis_File *	vf,
		double	pos
	)

Definition at line 2335 of file vorbisfile.c.

References _ov_d_seek_lap(), and ov_time_seek_page().

double ov_time_tell

(

OggVorbis_File *

vf

)

Definition at line 1762 of file vorbisfile.c.

References OggVorbis_File::links, OPENED, OV_EINVAL, ov_pcm_total(), ov_time_total(), OggVorbis_File::pcm_offset, OggVorbis_File::pcmlengths, vorbis_info::rate, OggVorbis_File::ready_state, OggVorbis_File::seekable, and OggVorbis_File::vi.

Referenced by Zeni::Sound_Stream_AL::get_time().

double ov_time_total	(	OggVorbis_File *	vf,
		int	i
	)

Definition at line 1208 of file vorbisfile.c.

References i, OggVorbis_File::links, OPENED, OV_EINVAL, ov_time_total(), OggVorbis_File::pcmlengths, vorbis_info::rate, OggVorbis_File::ready_state, OggVorbis_File::seekable, and OggVorbis_File::vi.

Referenced by Zeni::Sound_Stream_AL::get_duration(), ov_bitrate(), ov_time_seek(), ov_time_seek_page(), ov_time_tell(), and ov_time_total().

float* vorbis_window	(	vorbis_dsp_state *	v,
		int	W
	)

Definition at line 1038 of file block.c.

References _vorbis_window_get(), vorbis_dsp_state::backend_state, vorbis_info::codec_setup, codec_setup_info::halfrate_flag, NULL, vorbis_dsp_state::vi, vi, and private_state::window.

Referenced by _ov_64_seek_lap(), _ov_d_seek_lap(), and ov_crosslap().