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

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

Functions
static long	_get_data (OggVorbis_File *vf)
static int	_seek_helper (OggVorbis_File *vf, ogg_int64_t offset)
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_int64_t begin, ogg_page og)
static void	_add_serialno (ogg_page og, long serialno_list, int n)
static int	_lookup_serialno (long s, long *serialno_list, int n)
static int	_lookup_page_serialno (ogg_page og, long serialno_list, int n)
static ogg_int64_t	_get_prev_page_serial (OggVorbis_File vf, ogg_int64_t begin, long serial_list, int serial_n, int serialno, ogg_int64_t granpos)
static int	_fetch_headers (OggVorbis_File vf, vorbis_info vi, vorbis_comment vc, long serialno_list, int serialno_n, ogg_page *og_ptr)
static ogg_int64_t	_initial_pcmoffset (OggVorbis_File vf, vorbis_info vi)
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 int	_make_decode_ready (OggVorbis_File *vf)
static int	_open_seekable2 (OggVorbis_File *vf)
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	_fseek64_wrap (FILE *f, ogg_int64_t off, int whence)
static int	_ov_open1 (void f, OggVorbis_File vf, const char *initial, long ibytes, ov_callbacks callbacks)
static int	_ov_open2 (OggVorbis_File *vf)
int	ov_clear (OggVorbis_File *vf)
int	ov_open_callbacks (void f, OggVorbis_File vf, const char *initial, long ibytes, ov_callbacks callbacks)
int	ov_open (FILE f, OggVorbis_File vf, const char *initial, long ibytes)
int	ov_fopen (const char path, OggVorbis_File vf)
int	ov_halfrate (OggVorbis_File *vf, int flag)
int	ov_halfrate_p (OggVorbis_File *vf)
int	ov_test_callbacks (void f, OggVorbis_File vf, const char *initial, long ibytes, ov_callbacks callbacks)
int	ov_test (FILE f, OggVorbis_File vf, const char *initial, long ibytes)
int	ov_test_open (OggVorbis_File *vf)
long	ov_streams (OggVorbis_File *vf)
long	ov_seekable (OggVorbis_File *vf)
long	ov_bitrate (OggVorbis_File *vf, int i)
long	ov_bitrate_instant (OggVorbis_File *vf)
long	ov_serialnumber (OggVorbis_File *vf, int i)
ogg_int64_t	ov_raw_total (OggVorbis_File *vf, int i)
ogg_int64_t	ov_pcm_total (OggVorbis_File *vf, int i)
double	ov_time_total (OggVorbis_File *vf, int i)
int	ov_raw_seek (OggVorbis_File *vf, ogg_int64_t pos)
int	ov_pcm_seek_page (OggVorbis_File *vf, ogg_int64_t pos)
int	ov_pcm_seek (OggVorbis_File *vf, ogg_int64_t pos)
int	ov_time_seek (OggVorbis_File *vf, double seconds)
int	ov_time_seek_page (OggVorbis_File *vf, double seconds)
ogg_int64_t	ov_raw_tell (OggVorbis_File *vf)
ogg_int64_t	ov_pcm_tell (OggVorbis_File *vf)
double	ov_time_tell (OggVorbis_File *vf)
vorbis_info *	ov_info (OggVorbis_File *vf, int link)
vorbis_comment *	ov_comment (OggVorbis_File *vf, int link)
static int	host_is_big_endian ()
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 (OggVorbis_File vf, char buffer, int length, int bigendianp, int word, int sgned, int *bitstream)
long	ov_read_float (OggVorbis_File vf, float *pcm_channels, int length, int bitstream)
const float *	vorbis_window (vorbis_dsp_state *v, int W)
static void	_ov_splice (float pcm, float lappcm, int n1, int n2, int ch1, int ch2, const float w1, const float w2)
static int	_ov_initset (OggVorbis_File *vf)
static int	_ov_initprime (OggVorbis_File *vf)
static void	_ov_getlap (OggVorbis_File vf, vorbis_info vi, vorbis_dsp_state vd, float *lappcm, int lapsize)
int	ov_crosslap (OggVorbis_File vf1, OggVorbis_File vf2)
static int	_ov_64_seek_lap (OggVorbis_File vf, ogg_int64_t pos, int(localseek)(OggVorbis_File *, ogg_int64_t))
int	ov_raw_seek_lap (OggVorbis_File *vf, ogg_int64_t pos)
int	ov_pcm_seek_lap (OggVorbis_File *vf, ogg_int64_t pos)
int	ov_pcm_seek_page_lap (OggVorbis_File *vf, ogg_int64_t pos)
static int	_ov_d_seek_lap (OggVorbis_File vf, double pos, int(localseek)(OggVorbis_File *, double))
int	ov_time_seek_lap (OggVorbis_File *vf, double pos)
int	ov_time_seek_page_lap (OggVorbis_File *vf, double pos)

Macro Definition Documentation

◆ CHUNKSIZE

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

◆ READSIZE

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

Function Documentation

◆ _add_serialno()

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

static

◆ _bisect_forward_serialno()

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

◆ _decode_clear()

void _decode_clear ( OggVorbis_File * vf )

static

◆ _fetch_and_process_packet()

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

static

◆ _fetch_headers()

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

static

◆ _fseek64_wrap()

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

static

◆ _get_data()

long _get_data ( OggVorbis_File * vf )

static

◆ _get_next_page()

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

static

◆ _get_prev_page()

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

static

◆ _get_prev_page_serial()

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

static

◆ _initial_pcmoffset()

ogg_int64_t _initial_pcmoffset	(	OggVorbis_File *	vf,
		vorbis_info *	vi )

static

◆ _lookup_page_serialno()

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

static

◆ _lookup_serialno()

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

static

◆ _make_decode_ready()

int _make_decode_ready ( OggVorbis_File * vf )

static

◆ _open_seekable2()

int _open_seekable2 ( OggVorbis_File * vf )

static

◆ _ov_64_seek_lap()

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

static

◆ _ov_d_seek_lap()

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

static

◆ _ov_getlap()

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

static

◆ _ov_initprime()

int _ov_initprime ( OggVorbis_File * vf )

static

◆ _ov_initset()

int _ov_initset ( OggVorbis_File * vf )

static

◆ _ov_open1()

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

static

◆ _ov_open2()

int _ov_open2 ( OggVorbis_File * vf )

static

◆ _ov_splice()

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

static

◆ _seek_helper()

int _seek_helper	(	OggVorbis_File *	vf,
		ogg_int64_t	offset )

static

◆ host_is_big_endian()

int host_is_big_endian ( )

static

◆ ov_bitrate()

long ov_bitrate	(	OggVorbis_File *	vf,
		int	i )

◆ ov_bitrate_instant()

long ov_bitrate_instant ( OggVorbis_File * vf )

◆ ov_clear()

int ov_clear ( OggVorbis_File * vf )

◆ ov_comment()

vorbis_comment * ov_comment	(	OggVorbis_File *	vf,
		int	link )

◆ ov_crosslap()

int ov_crosslap	(	OggVorbis_File *	vf1,
		OggVorbis_File *	vf2 )

◆ ov_fopen()

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

◆ ov_halfrate()

int ov_halfrate	(	OggVorbis_File *	vf,
		int	flag )

◆ ov_halfrate_p()

int ov_halfrate_p ( OggVorbis_File * vf )

◆ ov_info()

vorbis_info * ov_info	(	OggVorbis_File *	vf,
		int	link )

◆ ov_open()

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

◆ ov_open_callbacks()

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

◆ ov_pcm_seek()

int ov_pcm_seek	(	OggVorbis_File *	vf,
		ogg_int64_t	pos )

◆ ov_pcm_seek_lap()

int ov_pcm_seek_lap	(	OggVorbis_File *	vf,
		ogg_int64_t	pos )

◆ ov_pcm_seek_page()

int ov_pcm_seek_page	(	OggVorbis_File *	vf,
		ogg_int64_t	pos )

◆ ov_pcm_seek_page_lap()

int ov_pcm_seek_page_lap	(	OggVorbis_File *	vf,
		ogg_int64_t	pos )

◆ ov_pcm_tell()

ogg_int64_t ov_pcm_tell ( OggVorbis_File * vf )

◆ ov_pcm_total()

ogg_int64_t ov_pcm_total	(	OggVorbis_File *	vf,
		int	i )

◆ ov_raw_seek()

int ov_raw_seek	(	OggVorbis_File *	vf,
		ogg_int64_t	pos )

◆ ov_raw_seek_lap()

int ov_raw_seek_lap	(	OggVorbis_File *	vf,
		ogg_int64_t	pos )

◆ ov_raw_tell()

ogg_int64_t ov_raw_tell ( OggVorbis_File * vf )

◆ ov_raw_total()

ogg_int64_t ov_raw_total	(	OggVorbis_File *	vf,
		int	i )

◆ ov_read()

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

◆ ov_read_filter()

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 )

◆ ov_read_float()

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

◆ ov_seekable()

long ov_seekable ( OggVorbis_File * vf )

◆ ov_serialnumber()

long ov_serialnumber	(	OggVorbis_File *	vf,
		int	i )

◆ ov_streams()

long ov_streams ( OggVorbis_File * vf )

◆ ov_test()

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

◆ ov_test_callbacks()

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

◆ ov_test_open()

int ov_test_open ( OggVorbis_File * vf )

◆ ov_time_seek()

int ov_time_seek	(	OggVorbis_File *	vf,
		double	seconds )

◆ ov_time_seek_lap()

int ov_time_seek_lap	(	OggVorbis_File *	vf,
		double	pos )

◆ ov_time_seek_page()

int ov_time_seek_page	(	OggVorbis_File *	vf,
		double	seconds )

◆ ov_time_seek_page_lap()

int ov_time_seek_page_lap	(	OggVorbis_File *	vf,
		double	pos )

◆ ov_time_tell()

double ov_time_tell ( OggVorbis_File * vf )

◆ ov_time_total()

double ov_time_total	(	OggVorbis_File *	vf,
		int	i )

◆ vorbis_window()

const float * vorbis_window	(	vorbis_dsp_state *	v,
		int	W )

extern

Macros

Functions

Macro Definition Documentation

◆ CHUNKSIZE

◆ READSIZE

Function Documentation

◆ _add_serialno()

◆ _bisect_forward_serialno()

◆ _decode_clear()

◆ _fetch_and_process_packet()

◆ _fetch_headers()

◆ _fseek64_wrap()

◆ _get_data()

◆ _get_next_page()

◆ _get_prev_page()

◆ _get_prev_page_serial()

◆ _initial_pcmoffset()

◆ _lookup_page_serialno()

◆ _lookup_serialno()

◆ _make_decode_ready()

◆ _open_seekable2()

◆ _ov_64_seek_lap()

◆ _ov_d_seek_lap()

◆ _ov_getlap()

◆ _ov_initprime()

◆ _ov_initset()

◆ _ov_open1()

◆ _ov_open2()

◆ _ov_splice()

◆ _seek_helper()

◆ host_is_big_endian()

◆ ov_bitrate()

◆ ov_bitrate_instant()

◆ ov_clear()

◆ ov_comment()

◆ ov_crosslap()

◆ ov_fopen()

◆ ov_halfrate()

◆ ov_halfrate_p()

◆ ov_info()

◆ ov_open()

◆ ov_open_callbacks()

◆ ov_pcm_seek()

◆ ov_pcm_seek_lap()

◆ ov_pcm_seek_page()

◆ ov_pcm_seek_page_lap()

◆ ov_pcm_tell()

◆ ov_pcm_total()

◆ ov_raw_seek()

◆ ov_raw_seek_lap()

◆ ov_raw_tell()

◆ ov_raw_total()

◆ ov_read()

◆ ov_read_filter()

◆ ov_read_float()

◆ ov_seekable()

◆ ov_serialnumber()

◆ ov_streams()

◆ ov_test()

◆ ov_test_callbacks()

◆ ov_test_open()

◆ ov_time_seek()

◆ ov_time_seek_lap()

◆ ov_time_seek_page()

◆ ov_time_seek_page_lap()

◆ ov_time_tell()

◆ ov_time_total()

◆ vorbis_window()