cbs_internal.h File Reference

#include "avcodec.h"
#include "cbs.h"
#include "get_bits.h"
#include "put_bits.h"

Go to the source code of this file.

Data Structures
struct	CodedBitstreamType

Macros
#define	MAX_UINT_BITS(length)   ((UINT64_C(1) << (length)) - 1)
#define	MAX_INT_BITS(length)   ((INT64_C(1) << ((length) - 1)) - 1)
#define	MIN_INT_BITS(length)   (-(INT64_C(1) << ((length) - 1)))

Functions
void	ff_cbs_trace_header (CodedBitstreamContext *ctx, const char *name)
void	ff_cbs_trace_syntax_element (CodedBitstreamContext *ctx, int position, const char *name, const int *subscripts, const char *bitstring, int64_t value)
int	ff_cbs_read_unsigned (CodedBitstreamContext *ctx, GetBitContext *gbc, int width, const char *name, const int *subscripts, uint32_t *write_to, uint32_t range_min, uint32_t range_max)
int	ff_cbs_write_unsigned (CodedBitstreamContext *ctx, PutBitContext *pbc, int width, const char *name, const int *subscripts, uint32_t value, uint32_t range_min, uint32_t range_max)
int	ff_cbs_read_signed (CodedBitstreamContext *ctx, GetBitContext *gbc, int width, const char *name, const int *subscripts, int32_t *write_to, int32_t range_min, int32_t range_max)
int	ff_cbs_write_signed (CodedBitstreamContext *ctx, PutBitContext *pbc, int width, const char *name, const int *subscripts, int32_t value, int32_t range_min, int32_t range_max)

Variables
const CodedBitstreamType	ff_cbs_type_av1
const CodedBitstreamType	ff_cbs_type_h264
const CodedBitstreamType	ff_cbs_type_h265
const CodedBitstreamType	ff_cbs_type_jpeg
const CodedBitstreamType	ff_cbs_type_mpeg2
const CodedBitstreamType	ff_cbs_type_vp9

Macro Definition Documentation

MAX_UINT_BITS

#define MAX_UINT_BITS

(

length

)

((UINT64_C(1) << (length)) - 1)

Definition at line 98 of file cbs_internal.h.

MAX_INT_BITS

#define MAX_INT_BITS

(

length

)

((INT64_C(1) << ((length) - 1)) - 1)

Definition at line 102 of file cbs_internal.h.

MIN_INT_BITS

#define MIN_INT_BITS

(

length

)

(-(INT64_C(1) << ((length) - 1)))

Definition at line 106 of file cbs_internal.h.

Function Documentation

ff_cbs_trace_header()

void ff_cbs_trace_header	(	CodedBitstreamContext *	ctx,
		const char *	name
	)

Definition at line 426 of file cbs.c.

ff_cbs_trace_syntax_element()

void ff_cbs_trace_syntax_element	(	CodedBitstreamContext *	ctx,
		int	position,
		const char *	name,
		const int *	subscripts,
		const char *	bitstring,
		int64_t	value
	)

Definition at line 435 of file cbs.c.

Referenced by cbs_av1_read_increment(), cbs_av1_read_leb128(), cbs_av1_read_ns(), cbs_av1_read_subexp(), cbs_av1_read_uvlc(), cbs_av1_write_increment(), cbs_av1_write_leb128(), cbs_av1_write_ns(), cbs_av1_write_subexp(), cbs_av1_write_uvlc(), cbs_read_se_golomb(), cbs_read_ue_golomb(), cbs_vp9_read_increment(), cbs_vp9_read_le(), cbs_vp9_read_s(), cbs_vp9_write_increment(), cbs_vp9_write_le(), cbs_vp9_write_s(), cbs_write_se_golomb(), cbs_write_ue_golomb(), ff_cbs_read_signed(), ff_cbs_read_unsigned(), ff_cbs_write_signed(), and ff_cbs_write_unsigned().

ff_cbs_read_unsigned()

int ff_cbs_read_unsigned	(	CodedBitstreamContext *	ctx,
		GetBitContext *	gbc,
		int	width,
		const char *	name,
		const int *	subscripts,
		uint32_t *	write_to,
		uint32_t	range_min,
		uint32_t	range_max
	)

Definition at line 485 of file cbs.c.

Referenced by cbs_av1_read_leb128(), and cbs_av1_read_subexp().

ff_cbs_write_unsigned()

int ff_cbs_write_unsigned	(	CodedBitstreamContext *	ctx,
		PutBitContext *	pbc,
		int	width,
		const char *	name,
		const int *	subscripts,
		uint32_t	value,
		uint32_t	range_min,
		uint32_t	range_max
	)

Definition at line 528 of file cbs.c.

Referenced by cbs_av1_write_leb128(), and cbs_av1_write_subexp().

ff_cbs_read_signed()

int ff_cbs_read_signed	(	CodedBitstreamContext *	ctx,
		GetBitContext *	gbc,
		int	width,
		const char *	name,
		const int *	subscripts,
		int32_t *	write_to,
		int32_t	range_min,
		int32_t	range_max
	)

Definition at line 564 of file cbs.c.

ff_cbs_write_signed()

int ff_cbs_write_signed	(	CodedBitstreamContext *	ctx,
		PutBitContext *	pbc,
		int	width,
		const char *	name,
		const int *	subscripts,
		int32_t	value,
		int32_t	range_min,
		int32_t	range_max
	)

Definition at line 607 of file cbs.c.

Variable Documentation

ff_cbs_type_av1

const CodedBitstreamType ff_cbs_type_av1

Definition at line 1265 of file cbs_av1.c.

ff_cbs_type_h264

const CodedBitstreamType ff_cbs_type_h264

Definition at line 1508 of file cbs_h2645.c.

ff_cbs_type_h265

const CodedBitstreamType ff_cbs_type_h265

Definition at line 1521 of file cbs_h2645.c.

ff_cbs_type_jpeg

const CodedBitstreamType ff_cbs_type_jpeg

Definition at line 461 of file cbs_jpeg.c.

ff_cbs_type_mpeg2

const CodedBitstreamType ff_cbs_type_mpeg2

Definition at line 423 of file cbs_mpeg2.c.

ff_cbs_type_vp9

const CodedBitstreamType ff_cbs_type_vp9

Definition at line 645 of file cbs_vp9.c.