gpac_ogg.c File Reference

#include <gpac/internal/ogg.h>

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Macros
#define	BUFFER_INCREMENT   256

Functions
void	oggpack_writeinit (oggpack_buffer *b)
void	oggpackB_writeinit (oggpack_buffer *b)
void	oggpack_writetrunc (oggpack_buffer *b, s32 bits)
void	oggpackB_writetrunc (oggpack_buffer *b, s32 bits)
void	oggpack_write (oggpack_buffer *b, u32 value, s32 bits)
void	oggpackB_write (oggpack_buffer *b, u32 value, s32 bits)
void	oggpack_writealign (oggpack_buffer *b)
void	oggpackB_writealign (oggpack_buffer *b)
static void	oggpack_writecopy_helper (oggpack_buffer *b, void *source, s32 bits, void(*w)(oggpack_buffer *, u32, s32), s32 msb)
void	oggpack_writecopy (oggpack_buffer *b, void *source, s32 bits)
void	oggpackB_writecopy (oggpack_buffer *b, void *source, s32 bits)
void	oggpack_reset (oggpack_buffer *b)
void	oggpackB_reset (oggpack_buffer *b)
void	oggpack_writeclear (oggpack_buffer *b)
void	oggpackB_writeclear (oggpack_buffer *b)
void	oggpack_readinit (oggpack_buffer *b, unsigned char *buf, s32 bytes)
void	oggpackB_readinit (oggpack_buffer *b, unsigned char *buf, s32 bytes)
s32	oggpack_look (oggpack_buffer *b, s32 bits)
s32	oggpackB_look (oggpack_buffer *b, s32 bits)
s32	oggpack_look1 (oggpack_buffer *b)
s32	oggpackB_look1 (oggpack_buffer *b)
void	oggpack_adv (oggpack_buffer *b, s32 bits)
void	oggpackB_adv (oggpack_buffer *b, s32 bits)
void	oggpack_adv1 (oggpack_buffer *b)
void	oggpackB_adv1 (oggpack_buffer *b)
s32	oggpack_read (oggpack_buffer *b, s32 bits)
s32	oggpackB_read (oggpack_buffer *b, s32 bits)
s32	oggpack_read1 (oggpack_buffer *b)
s32	oggpackB_read1 (oggpack_buffer *b)
s32	oggpack_bytes (oggpack_buffer *b)
s32	oggpack_bits (oggpack_buffer *b)
s32	oggpackB_bytes (oggpack_buffer *b)
s32	oggpackB_bits (oggpack_buffer *b)
unsigned char *	oggpack_get_buffer (oggpack_buffer *b)
unsigned char *	oggpackB_get_buffer (oggpack_buffer *b)
s32	ogg_page_version (ogg_page *og)
s32	ogg_page_continued (ogg_page *og)
s32	ogg_page_bos (ogg_page *og)
s32	ogg_page_eos (ogg_page *og)
s64	ogg_page_granulepos (ogg_page *og)
s32	ogg_page_serialno (ogg_page *og)
s32	ogg_page_pageno (ogg_page *og)
s32	ogg_page_packets (ogg_page *og)
s32	ogg_stream_init (ogg_stream_state *os, s32 serialno)
s32	ogg_stream_clear (ogg_stream_state *os)
s32	ogg_stream_destroy (ogg_stream_state *os)
static void	_os_body_expand (ogg_stream_state *os, s32 needed)
static void	_os_lacing_expand (ogg_stream_state *os, s32 needed)
void	ogg_page_checksum_set (ogg_page *og)
s32	ogg_stream_packetin (ogg_stream_state *os, ogg_packet *op)
s32	ogg_stream_flush (ogg_stream_state *os, ogg_page *og)
s32	ogg_stream_pageout (ogg_stream_state *os, ogg_page *og)
s32	ogg_stream_eos (ogg_stream_state *os)
s32	ogg_sync_init (ogg_sync_state *oy)
s32	ogg_sync_clear (ogg_sync_state *oy)
s32	ogg_sync_destroy (ogg_sync_state *oy)
char *	ogg_sync_buffer (ogg_sync_state *oy, s32 size)
s32	ogg_sync_wrote (ogg_sync_state *oy, s32 bytes)
s32	ogg_sync_pageseek (ogg_sync_state *oy, ogg_page *og)
s32	ogg_sync_pageout (ogg_sync_state *oy, ogg_page *og)
s32	ogg_stream_pagein (ogg_stream_state *os, ogg_page *og)
s32	ogg_sync_reset (ogg_sync_state *oy)
s32	ogg_stream_reset (ogg_stream_state *os)
s32	ogg_stream_reset_serialno (ogg_stream_state *os, s32 serialno)
static s32	_packetout (ogg_stream_state *os, ogg_packet *op, s32 adv)
s32	ogg_stream_packetout (ogg_stream_state *os, ogg_packet *op)
s32	ogg_stream_packetpeek (ogg_stream_state *os, ogg_packet *op)
void	ogg_packet_clear (ogg_packet *op)

Variables
static u32	mask []
static u32	mask8B []
static u32	crc_lookup [256]

Macro Definition Documentation

#define BUFFER_INCREMENT   256

Function Documentation

void oggpack_writeinit

(

oggpack_buffer *

b

)

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void oggpackB_writeinit

(

oggpack_buffer *

b

)

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void oggpack_writetrunc	(	oggpack_buffer *	b,
		s32	bits
	)

void oggpackB_writetrunc	(	oggpack_buffer *	b,
		s32	bits
	)

void oggpack_write	(	oggpack_buffer *	b,
		u32	value,
		s32	bits
	)

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void oggpackB_write	(	oggpack_buffer *	b,
		u32	value,
		s32	bits
	)

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void oggpack_writealign

(

oggpack_buffer *

b

)

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void oggpackB_writealign

(

oggpack_buffer *

b

)

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static void oggpack_writecopy_helper ( oggpack_buffer *  b, void *  source, s32  bits, void(*)(oggpack_buffer *, u32, s32)  w, s32  msb  )

static

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void oggpack_writecopy	(	oggpack_buffer *	b,
		void *	source,
		s32	bits
	)

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void oggpackB_writecopy	(	oggpack_buffer *	b,
		void *	source,
		s32	bits
	)

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void oggpack_reset

(

oggpack_buffer *

b

)

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void oggpackB_reset

(

oggpack_buffer *

b

)

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void oggpack_writeclear

(

oggpack_buffer *

b

)

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void oggpackB_writeclear

(

oggpack_buffer *

b

)

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void oggpack_readinit	(	oggpack_buffer *	b,
		unsigned char *	buf,
		s32	bytes
	)

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void oggpackB_readinit	(	oggpack_buffer *	b,
		unsigned char *	buf,
		s32	bytes
	)

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s32 oggpack_look	(	oggpack_buffer *	b,
		s32	bits
	)

s32 oggpackB_look	(	oggpack_buffer *	b,
		s32	bits
	)

s32 oggpack_look1

(

oggpack_buffer *

b

)

s32 oggpackB_look1

(

oggpack_buffer *

b

)

void oggpack_adv	(	oggpack_buffer *	b,
		s32	bits
	)

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void oggpackB_adv	(	oggpack_buffer *	b,
		s32	bits
	)

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void oggpack_adv1

(

oggpack_buffer *

b

)

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void oggpackB_adv1

(

oggpack_buffer *

b

)

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s32 oggpack_read	(	oggpack_buffer *	b,
		s32	bits
	)

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s32 oggpackB_read	(	oggpack_buffer *	b,
		s32	bits
	)

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s32 oggpack_read1

(

oggpack_buffer *

b

)

s32 oggpackB_read1

(

oggpack_buffer *

b

)

s32 oggpack_bytes

(

oggpack_buffer *

b

)

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s32 oggpack_bits

(

oggpack_buffer *

b

)

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s32 oggpackB_bytes

(

oggpack_buffer *

b

)

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s32 oggpackB_bits

(

oggpack_buffer *

b

)

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unsigned char* oggpack_get_buffer

(

oggpack_buffer *

b

)

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unsigned char* oggpackB_get_buffer

(

oggpack_buffer *

b

)

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s32 ogg_page_version

(

ogg_page *

og

)

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s32 ogg_page_continued

(

ogg_page *

og

)

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s32 ogg_page_bos

(

ogg_page *

og

)

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s32 ogg_page_eos

(

ogg_page *

og

)

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s64 ogg_page_granulepos

(

ogg_page *

og

)

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s32 ogg_page_serialno

(

ogg_page *

og

)

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s32 ogg_page_pageno

(

ogg_page *

og

)

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s32 ogg_page_packets

(

ogg_page *

og

)

s32 ogg_stream_init	(	ogg_stream_state *	os,
		s32	serialno
	)

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s32 ogg_stream_clear

(

ogg_stream_state *

os

)

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s32 ogg_stream_destroy

(

ogg_stream_state *

os

)

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static void _os_body_expand ( ogg_stream_state *  os, s32  needed  )

static

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static void _os_lacing_expand ( ogg_stream_state *  os, s32  needed  )

static

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void ogg_page_checksum_set

(

ogg_page *

og

)

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s32 ogg_stream_packetin	(	ogg_stream_state *	os,
		ogg_packet *	op
	)

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s32 ogg_stream_flush	(	ogg_stream_state *	os,
		ogg_page *	og
	)

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s32 ogg_stream_pageout	(	ogg_stream_state *	os,
		ogg_page *	og
	)

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s32 ogg_stream_eos

(

ogg_stream_state *

os

)

s32 ogg_sync_init

(

ogg_sync_state *

oy

)

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s32 ogg_sync_clear

(

ogg_sync_state *

oy

)

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s32 ogg_sync_destroy

(

ogg_sync_state *

oy

)

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char* ogg_sync_buffer	(	ogg_sync_state *	oy,
		s32	size
	)

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s32 ogg_sync_wrote	(	ogg_sync_state *	oy,
		s32	bytes
	)

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s32 ogg_sync_pageseek	(	ogg_sync_state *	oy,
		ogg_page *	og
	)

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s32 ogg_sync_pageout	(	ogg_sync_state *	oy,
		ogg_page *	og
	)

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s32 ogg_stream_pagein	(	ogg_stream_state *	os,
		ogg_page *	og
	)

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s32 ogg_sync_reset

(

ogg_sync_state *

oy

)

s32 ogg_stream_reset

(

ogg_stream_state *

os

)

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s32 ogg_stream_reset_serialno	(	ogg_stream_state *	os,
		s32	serialno
	)

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static s32 _packetout ( ogg_stream_state *  os, ogg_packet *  op, s32  adv  )

static

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s32 ogg_stream_packetout	(	ogg_stream_state *	os,
		ogg_packet *	op
	)

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s32 ogg_stream_packetpeek	(	ogg_stream_state *	os,
		ogg_packet *	op
	)

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void ogg_packet_clear

(

ogg_packet *

op

)

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Variable Documentation

u32 mask[]

static

Initial value:

=
{0x00000000,0x00000001,0x00000003,0x00000007,0x0000000f,
 0x0000001f,0x0000003f,0x0000007f,0x000000ff,0x000001ff,
 0x000003ff,0x000007ff,0x00000fff,0x00001fff,0x00003fff,
 0x00007fff,0x0000ffff,0x0001ffff,0x0003ffff,0x0007ffff,
 0x000fffff,0x001fffff,0x003fffff,0x007fffff,0x00ffffff,
 0x01ffffff,0x03ffffff,0x07ffffff,0x0fffffff,0x1fffffff,
 0x3fffffff,0x7fffffff,0xffffffff }

u32 mask8B[]

static

Initial value:

=
{0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff}

u32 crc_lookup[256]

static