bitstream_util.hpp File Reference

#include <cassert>
#include <cstring>
#include <cstdint>
#include <string>

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Classes
struct	uvg_data_chunk
struct	bitstream_t

Macros
#define	BITSTREAM_DEBUG   true
#define	UVG_DATA_CHUNK_SIZE   4096

Typedefs
typedef struct uvg_data_chunk	uvg_data_chunk
typedef struct bitstream_t	bitstream_t

Functions
void	uvg_bitstream_init (bitstream_t *const stream)
uvg_data_chunk *	uvg_bitstream_alloc_chunk ()
void	uvg_bitstream_free_chunks (uvg_data_chunk *chunk)
void	uvg_bitstream_writebyte (bitstream_t *const stream, const uint8_t byte)
	Write a byte to bitstream.
void	uvg_bitstream_put (bitstream_t *const stream, const uint32_t data, uint8_t bits)
uvg_data_chunk *	uvg_bitstream_take_chunks (bitstream_t *stream)
void	uvg_bitstream_finalize (bitstream_t *stream)
void	uvg_bitstream_clear (bitstream_t *const stream)
uint64_t	uvg_bitstream_tell (const bitstream_t *stream)
void	uvg_bitstream_put_ue (bitstream_t *stream, uint32_t code_num)
size_t	uvg_calculate_ue_len (uint32_t number)
void	uvg_bitstream_add_rbsp_trailing_bits (bitstream_t *const stream)
void	uvg_bitstream_align (bitstream_t *const stream)
void	uvg_bitstream_move (bitstream_t *const dst, bitstream_t *const src)
void	uvg_bitstream_copy_bytes (bitstream_t *const stream, const uint8_t *bytes, uint32_t len)
	Copy array of bytes to a byte-aligned bitstream.
uint32_t	uvg_bitstream_peek_last_byte (bitstream_t *const stream)
void	writeU (bitstream_t *const stream, const uint32_t data, uint8_t bits, std::string name, size_t gofId)
void	writeUE (bitstream_t *const stream, const uint32_t data, std::string name, size_t gofId)

Macro Definition Documentation

BITSTREAM_DEBUG

#define BITSTREAM_DEBUG   true

UVG_DATA_CHUNK_SIZE

#define UVG_DATA_CHUNK_SIZE   4096

Typedef Documentation

bitstream_t

typedef struct bitstream_t bitstream_t

uvg_data_chunk

typedef struct uvg_data_chunk uvg_data_chunk

Function Documentation

uvg_bitstream_add_rbsp_trailing_bits()

void uvg_bitstream_add_rbsp_trailing_bits

(

bitstream_t *const

stream

)

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uvg_bitstream_align()

void uvg_bitstream_align

(

bitstream_t *const

stream

)

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uvg_bitstream_alloc_chunk()

uvg_data_chunk * uvg_bitstream_alloc_chunk

(

)

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uvg_bitstream_clear()

void uvg_bitstream_clear

(

bitstream_t *const

stream

)

Reset stream.

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uvg_bitstream_copy_bytes()

void uvg_bitstream_copy_bytes	(	bitstream_t *const	stream,
		const uint8_t *	bytes,
		uint32_t	len
	)

Copy array of bytes to a byte-aligned bitstream.

Parameters

stream	pointer bitstream to put the data
bytes	bytes to copy
len	length of bytes array

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uvg_bitstream_finalize()

void uvg_bitstream_finalize

(

bitstream_t *

stream

)

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uvg_bitstream_free_chunks()

void uvg_bitstream_free_chunks

(

uvg_data_chunk *

chunk

)

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uvg_bitstream_init()

void uvg_bitstream_init

(

bitstream_t *const

stream

)

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uvg_bitstream_move()

void uvg_bitstream_move	(	bitstream_t *const	dst,
		bitstream_t *const	src
	)

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uvg_bitstream_peek_last_byte()

uint32_t uvg_bitstream_peek_last_byte

(

bitstream_t *const

stream

)

uvg_bitstream_put()

void uvg_bitstream_put	(	bitstream_t *const	stream,
		const uint32_t	data,
		uint8_t	bits
	)

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uvg_bitstream_put_ue()

void uvg_bitstream_put_ue	(	bitstream_t *	stream,
		uint32_t	code_num
	)

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uvg_bitstream_take_chunks()

uvg_data_chunk * uvg_bitstream_take_chunks

(

bitstream_t *

stream

)

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uvg_bitstream_tell()

uint64_t uvg_bitstream_tell

(

const bitstream_t *

stream

)

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uvg_bitstream_writebyte()

void uvg_bitstream_writebyte	(	bitstream_t *const	stream,
		const uint8_t	byte
	)

Write a byte to bitstream.

The stream must be byte-aligned.

Parameters

stream	pointer bitstream to put the data
byte	byte to write

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uvg_calculate_ue_len()

size_t uvg_calculate_ue_len

(

uint32_t

number

)

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writeU()

void writeU	(	bitstream_t *const	stream,
		const uint32_t	data,
		uint8_t	bits,
		std::string	name,
		size_t	gofId
	)

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writeUE()

void writeUE	(	bitstream_t *const	stream,
		const uint32_t	data,
		std::string	name,
		size_t	gofId
	)

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