bitstream.h File Reference

bitstream reading and writing. More...

#include <gpac/tools.h>

Include dependency graph for bitstream.h:

This graph shows which files directly or indirectly include this file:

Typedefs
typedef struct __tag_bitstream	GF_BitStream

Enumerations
enum	{ GF_BITSTREAM_READ = 0 , GF_BITSTREAM_WRITE , GF_BITSTREAM_WRITE_DYN }

Functions
GF_BitStream *	gf_bs_new (const u8 *buffer, u64 size, u32 mode)
	bitstream constructor More...
GF_Err	gf_bs_reassign_buffer (GF_BitStream *bs, const u8 *buffer, u64 size)
	bitstream reassignment More...
GF_BitStream *	gf_bs_from_file (FILE *f, u32 mode)
	bitstream constructor from file handle More...
void	gf_bs_del (GF_BitStream *bs)
	bitstream destructor from file handle More...
GF_BitStream *	gf_bs_new_cbk (GF_Err(*on_block_out)(void *cbk, u8 *data, u32 block_size), void *usr_data, u32 block_size)
	bitstream constructor from callback output More...
GF_BitStream *	gf_bs_new_cbk_buffer (GF_Err(*on_block_out)(void *cbk, u8 *data, u32 block_size), void *usr_data, u8 *buffer, u32 buffer_size)
	bitstream constructor from callback output and preallocated buffer More...
void	gf_bs_prevent_dispatch (GF_BitStream *bs, Bool prevent_dispatch)
	prevents block dispatch Prevents byte dispatching in callback mode. This is used when seek operations are used. More...
u32	gf_bs_read_int (GF_BitStream *bs, u32 nBits)
	integer reading More...
u64	gf_bs_read_long_int (GF_BitStream *bs, u32 nBits)
	large integer reading More...
Float	gf_bs_read_float (GF_BitStream *bs)
	float reading More...
Double	gf_bs_read_double (GF_BitStream *bs)
	double reading More...
u32	gf_bs_read_data (GF_BitStream *bs, u8 *data, u32 nbBytes)
	data reading More...
u32	gf_bs_read_u8 (GF_BitStream *bs)
	align char reading More...
u32	gf_bs_read_u16 (GF_BitStream *bs)
	align short reading More...
u32	gf_bs_read_u24 (GF_BitStream *bs)
	align 24-bit integer reading More...
u32	gf_bs_read_u32 (GF_BitStream *bs)
	align integer reading More...
u64	gf_bs_read_u64 (GF_BitStream *bs)
	align large integer reading More...
u64	gf_bs_read_u64_le (GF_BitStream *bs)
	little endian integer reading More...
u32	gf_bs_read_u32_le (GF_BitStream *bs)
	little endian integer reading More...
u16	gf_bs_read_u16_le (GF_BitStream *bs)
	little endian integer reading More...
u32	gf_bs_read_vluimsbf5 (GF_BitStream *bs)
	variable length integer reading More...
u32	gf_bs_get_bit_offset (GF_BitStream *bs)
	bit position More...
u32	gf_bs_get_bit_position (GF_BitStream *bs)
	current bit position More...
void	gf_bs_write_int (GF_BitStream *bs, s32 value, s32 nBits)
	integer writing More...
void	gf_bs_write_long_int (GF_BitStream *bs, s64 value, s32 nBits)
	large integer writing More...
void	gf_bs_write_float (GF_BitStream *bs, Float value)
	float writing More...
void	gf_bs_write_double (GF_BitStream *bs, Double value)
	double writing More...
u32	gf_bs_write_data (GF_BitStream *bs, const u8 *data, u32 nbBytes)
	data writing More...
void	gf_bs_write_u8 (GF_BitStream *bs, u32 value)
	align char writing More...
void	gf_bs_write_u16 (GF_BitStream *bs, u32 value)
	align short writing More...
void	gf_bs_write_u24 (GF_BitStream *bs, u32 value)
	align 24-bits integer writing More...
void	gf_bs_write_u32 (GF_BitStream *bs, u32 value)
	align integer writing More...
void	gf_bs_write_u64 (GF_BitStream *bs, u64 value)
	align large integer writing More...
void	gf_bs_write_u32_le (GF_BitStream *bs, u32 value)
	little endian integer writing More...
void	gf_bs_write_u64_le (GF_BitStream *bs, u64 value)
	little endian large integer writing More...
void	gf_bs_write_u16_le (GF_BitStream *bs, u32 value)
	little endian short writing More...
u32	gf_bs_write_byte (GF_BitStream *bs, u8 byte, u32 count)
	write byte multiple times More...
void	gf_bs_set_eos_callback (GF_BitStream *bs, void(*EndOfStream)(void *par), void *par)
	end of bitstream management More...
Bool	gf_bs_is_align (GF_BitStream *bs)
	bitstream alignment checking More...
u8	gf_bs_align (GF_BitStream *bs)
	bitstream alignment More...
u64	gf_bs_available (GF_BitStream *bs)
	capacity query More...
void	gf_bs_get_content (GF_BitStream *bs, u8 **output, u32 *outSize)
	buffer fetching More...
void	gf_bs_get_content_no_truncate (GF_BitStream *bs, u8 **output, u32 *outSize, u32 *allocSize)
	buffer fetching More...
void	gf_bs_skip_bytes (GF_BitStream *bs, u64 nbBytes)
	byte skipping More...
GF_Err	gf_bs_seek (GF_BitStream *bs, u64 offset)
	bitstream seeking More...
void	gf_bs_truncate (GF_BitStream *bs)
	bitstream truncation More...
u32	gf_bs_peek_bits (GF_BitStream *bs, u32 numBits, u64 byte_offset)
	bit peeking More...
u8	gf_bs_bits_available (GF_BitStream *bs)
	bit reservoir query More...
u64	gf_bs_get_position (GF_BitStream *bs)
	position query More...
u64	gf_bs_get_size (GF_BitStream *bs)
	size query More...
u64	gf_bs_get_refreshed_size (GF_BitStream *bs)
	file-based size query More...
GF_Err	gf_bs_transfer (GF_BitStream *dst, GF_BitStream *src, Bool keep_src)
	transfer content from source bitstream to destination bitstream More...
void	gf_bs_flush (GF_BitStream *bs)
	Flushes bitstream content to disk. More...
void	gf_bs_enable_emulation_byte_removal (GF_BitStream *bs, Bool do_remove)
	NALU-based Annex B mode, only used for read mode. More...
u32	gf_bs_get_emulation_byte_removed (GF_BitStream *bs)
	NALU-based Annex B mode, only used for read mode. More...
GF_Err	gf_bs_insert_data (GF_BitStream *bs, u8 *data, u32 size, u64 offset)
	Inserts a data block, moving bytes to the end. More...
u64	gf_bs_set_cookie (GF_BitStream *bs, u64 cookie)
	Sets cookie. More...
u64	gf_bs_get_cookie (GF_BitStream *bs)
	Gets cookie. More...
char *	gf_bs_read_utf8 (GF_BitStream *bs)
	Reads string. More...
GF_Err	gf_bs_write_utf8 (GF_BitStream *bs, const char *str)
	Writes string. More...
void	gf_bs_mark_overflow (GF_BitStream *bs, Bool reset)
	Marks overflow access. More...
u32	gf_bs_is_overflow (GF_BitStream *bs)
	Gets overflow state. More...

Detailed Description

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