#include <stddef.h>
#include <stdint.h>
#include "config.h"
#include "libavutil/log.h"
#include "cbs.h"
#include "codec_id.h"
#include "get_bits.h"
#include "put_bits.h"
#include "libavutil/refstruct.h"

Data Structures
struct	CodedBitstreamUnitTypeDescriptor

struct	CodedBitstreamType

Macros
#define	CBS_READ 1

#define	CBS_WRITE 1

#define	CBS_TRACE 1

#define	CBS_APV CONFIG_CBS_APV

#define	CBS_AV1 CONFIG_CBS_AV1

#define	CBS_H264 CONFIG_CBS_H264

#define	CBS_H265 CONFIG_CBS_H265

#define	CBS_H266 CONFIG_CBS_H266

#define	CBS_LCEVC CONFIG_CBS_LCEVC

#define	CBS_JPEG CONFIG_CBS_JPEG

#define	CBS_MPEG2 CONFIG_CBS_MPEG2

#define	CBS_VP8 CONFIG_CBS_VP8

#define	CBS_VP9 CONFIG_CBS_VP9

#define	MAX_UINT_BITS(length)

#define	MAX_INT_BITS(length)

#define	MIN_INT_BITS(length)

#define	CBS_TRACE_READ_START()

#define	CBS_TRACE_READ_END()

#define	CBS_TRACE_READ_END_NO_SUBSCRIPTS()

#define	CBS_TRACE_READ_END_VALUE_ONLY()

#define	CBS_TRACE_WRITE_START()

#define	CBS_TRACE_WRITE_END()

#define	CBS_TRACE_WRITE_END_NO_SUBSCRIPTS()

#define	CBS_TRACE_WRITE_END_VALUE_ONLY()

#define	TYPE_LIST(...)

#define	CBS_UNIT_TYPE_POD(type_, structure)

#define	CBS_UNIT_RANGE_POD(range_start, range_end, structure)

#define	CBS_UNIT_TYPES_INTERNAL_REF(types, structure, ref_field)

#define	CBS_UNIT_TYPE_INTERNAL_REF(type, structure, ref_field)

#define	CBS_UNIT_RANGE_INTERNAL_REF(range_start, range_end, structure, ref_field)

#define	CBS_UNIT_TYPES_COMPLEX(types, structure, free_func)

#define	CBS_UNIT_TYPE_COMPLEX(type, structure, free_func)

#define	CBS_UNIT_TYPE_END_OF_LIST { .nb_unit_types = 0 }

Enumerations
enum	CBSContentType { CBS_CONTENT_TYPE_INTERNAL_REFS , CBS_CONTENT_TYPE_COMPLEX }

enum	{ CBS_MAX_LIST_UNIT_TYPES = 3 , CBS_MAX_REF_OFFSETS = 2 , CBS_UNIT_TYPE_RANGE = -1 }

Functions
void CBS_FUNC	trace_header (CodedBitstreamContext ctx, const char name)

int CBS_FUNC	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 CBS_FUNC	read_simple_unsigned (CodedBitstreamContext ctx, GetBitContext gbc, int width, const char name, uint32_t write_to)

int CBS_FUNC	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 CBS_FUNC	write_simple_unsigned (CodedBitstreamContext ctx, PutBitContext pbc, int width, const char *name, uint32_t value)

int CBS_FUNC	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 CBS_FUNC	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)

const CodedBitstreamType	CBS_FUNC (type_apv)

const CodedBitstreamType	CBS_FUNC (type_av1)

const CodedBitstreamType	CBS_FUNC (type_h264)

const CodedBitstreamType	CBS_FUNC (type_h265)

const CodedBitstreamType	CBS_FUNC (type_h266)

const CodedBitstreamType	CBS_FUNC (type_lcevc)

const CodedBitstreamType	CBS_FUNC (type_jpeg)

const CodedBitstreamType	CBS_FUNC (type_mpeg2)

const CodedBitstreamType	CBS_FUNC (type_vp8)

const CodedBitstreamType	CBS_FUNC (type_vp9)

Macro Definition Documentation

◆ CBS_READ

#define CBS_READ 1

Definition at line 36 of file cbs_internal.h.

◆ CBS_WRITE

#define CBS_WRITE 1

Definition at line 39 of file cbs_internal.h.

◆ CBS_TRACE

#define CBS_TRACE 1

Definition at line 42 of file cbs_internal.h.

◆ CBS_APV

#define CBS_APV CONFIG_CBS_APV

Definition at line 46 of file cbs_internal.h.

◆ CBS_AV1

#define CBS_AV1 CONFIG_CBS_AV1

Definition at line 49 of file cbs_internal.h.

◆ CBS_H264

#define CBS_H264 CONFIG_CBS_H264

Definition at line 52 of file cbs_internal.h.

◆ CBS_H265

#define CBS_H265 CONFIG_CBS_H265

Definition at line 55 of file cbs_internal.h.

◆ CBS_H266

#define CBS_H266 CONFIG_CBS_H266

Definition at line 58 of file cbs_internal.h.

◆ CBS_LCEVC

#define CBS_LCEVC CONFIG_CBS_LCEVC

Definition at line 61 of file cbs_internal.h.

◆ CBS_JPEG

#define CBS_JPEG CONFIG_CBS_JPEG

Definition at line 64 of file cbs_internal.h.

◆ CBS_MPEG2

#define CBS_MPEG2 CONFIG_CBS_MPEG2

Definition at line 67 of file cbs_internal.h.

◆ CBS_VP8

#define CBS_VP8 CONFIG_CBS_VP8

Definition at line 70 of file cbs_internal.h.

◆ CBS_VP9

#define CBS_VP9 CONFIG_CBS_VP9

Definition at line 73 of file cbs_internal.h.

◆ MAX_UINT_BITS

#define MAX_UINT_BITS ( length )

Value:

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

Definition at line 238 of file cbs_internal.h.

Referenced by aps(), cbs_mpeg2_write_slice(), decoder_model_info(), ff_cbs_h2645_payload_extension_present(), ff_cbs_h2645_read_more_rbsp_data(), ff_cbs_h2645_write_slice_data(), film_grain_params(), general_timing_hrd_parameters(), message(), payload_extension(), process_block(), process_block_list(), ref_pic_list_struct(), SEI_FUNC(), SEI_FUNC(), SEI_FUNC(), SEI_FUNC(), SEI_FUNC(), sps(), tile_info(), and timing_info().

◆ MAX_INT_BITS

#define MAX_INT_BITS ( length )

Value:

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

Definition at line 242 of file cbs_internal.h.

Referenced by frame().

◆ MIN_INT_BITS

#define MIN_INT_BITS ( length )

Value:

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

Definition at line 246 of file cbs_internal.h.

◆ CBS_TRACE_READ_START

#define CBS_TRACE_READ_START ( )

Value:

do { } while (0)

Definition at line 331 of file cbs_internal.h.

Referenced by cbs_read_multi_byte(), cbs_vp8_bool_decoder_read_signed(), cbs_vp8_bool_decoder_read_unsigned(), cbs_vp8_read_unsigned_le(), cbs_vp9_read_increment(), cbs_vp9_read_le(), cbs_vp9_read_s(), ff_cbs_read_se_golomb(), and ff_cbs_read_ue_golomb().

◆ CBS_TRACE_READ_END

#define CBS_TRACE_READ_END ( )

Value:

do { } while (0)

Definition at line 332 of file cbs_internal.h.

Referenced by cbs_vp8_bool_decoder_read_signed(), cbs_vp8_bool_decoder_read_unsigned(), cbs_vp8_read_unsigned_le(), cbs_vp9_read_le(), cbs_vp9_read_s(), ff_cbs_read_se_golomb(), and ff_cbs_read_ue_golomb().

◆ CBS_TRACE_READ_END_NO_SUBSCRIPTS

#define CBS_TRACE_READ_END_NO_SUBSCRIPTS ( )

Value:

do { } while (0)

Definition at line 333 of file cbs_internal.h.

Referenced by cbs_read_multi_byte(), and cbs_vp9_read_increment().

◆ CBS_TRACE_READ_END_VALUE_ONLY

#define CBS_TRACE_READ_END_VALUE_ONLY ( )

Value:

do { } while (0)

Definition at line 334 of file cbs_internal.h.

◆ CBS_TRACE_WRITE_START

#define CBS_TRACE_WRITE_START ( )

Value:

do { } while (0)

Definition at line 335 of file cbs_internal.h.

Referenced by cbs_vp9_write_increment(), cbs_vp9_write_le(), cbs_vp9_write_s(), cbs_write_multi_byte(), ff_cbs_write_se_golomb(), and ff_cbs_write_ue_golomb().

◆ CBS_TRACE_WRITE_END

#define CBS_TRACE_WRITE_END ( )

Value:

do { } while (0)

Definition at line 336 of file cbs_internal.h.

Referenced by cbs_vp9_write_le(), cbs_vp9_write_s(), ff_cbs_write_se_golomb(), and ff_cbs_write_ue_golomb().

◆ CBS_TRACE_WRITE_END_NO_SUBSCRIPTS

#define CBS_TRACE_WRITE_END_NO_SUBSCRIPTS ( )

Value:

do { } while (0)

Definition at line 337 of file cbs_internal.h.

Referenced by cbs_vp9_write_increment(), and cbs_write_multi_byte().

◆ CBS_TRACE_WRITE_END_VALUE_ONLY

#define CBS_TRACE_WRITE_END_VALUE_ONLY ( )

Value:

do { } while (0)

Definition at line 338 of file cbs_internal.h.

◆ TYPE_LIST

#define TYPE_LIST ( ... )

Value:

{ __VA_ARGS__ }

Definition at line 341 of file cbs_internal.h.

◆ CBS_UNIT_TYPE_POD

#define CBS_UNIT_TYPE_POD	(		type_,
			structure )

Value:

        { \
        .nb_unit_types  = 1, \
        .unit_type.list = { type_ }, \
        .content_type   = CBS_CONTENT_TYPE_INTERNAL_REFS, \
        .content_size   = sizeof(structure), \
        .type.ref       = { .nb_offsets = 0 }, \
    }

Definition at line 342 of file cbs_internal.h.

◆ CBS_UNIT_RANGE_POD

#define CBS_UNIT_RANGE_POD	(	range_start,
		range_end,
		structure )

Value:

        { \
        .nb_unit_types         = CBS_UNIT_TYPE_RANGE, \
        .unit_type.range.start = range_start, \
        .unit_type.range.end   = range_end, \
        .content_type          = CBS_CONTENT_TYPE_INTERNAL_REFS, \
        .content_size          = sizeof(structure), \
        .type.ref              = { .nb_offsets = 0 }, \
    }

Definition at line 349 of file cbs_internal.h.

◆ CBS_UNIT_TYPES_INTERNAL_REF

#define CBS_UNIT_TYPES_INTERNAL_REF	(	types,
		structure,
		ref_field )

Value:

        { \
        .nb_unit_types  = FF_ARRAY_ELEMS((CodedBitstreamUnitType[])TYPE_LIST types), \
        .unit_type.list = TYPE_LIST types, \
        .content_type   = CBS_CONTENT_TYPE_INTERNAL_REFS, \
        .content_size   = sizeof(structure), \
        .type.ref       = { .nb_offsets = 1, \
                            .offsets    = { offsetof(structure, ref_field) } }, \
    }

Definition at line 358 of file cbs_internal.h.

◆ CBS_UNIT_TYPE_INTERNAL_REF

#define CBS_UNIT_TYPE_INTERNAL_REF	(	type,
		structure,
		ref_field )

Value:

CBS_UNIT_TYPES_INTERNAL_REF((type), structure, ref_field)

CBS_UNIT_TYPES_INTERNAL_REF

#define CBS_UNIT_TYPES_INTERNAL_REF(types, structure, ref_field)

Definition cbs_internal.h:358

Definition at line 366 of file cbs_internal.h.

◆ CBS_UNIT_RANGE_INTERNAL_REF

#define CBS_UNIT_RANGE_INTERNAL_REF	(	range_start,
		range_end,
		structure,
		ref_field )

Value:

        { \
        .nb_unit_types         = CBS_UNIT_TYPE_RANGE, \
        .unit_type.range.start = range_start, \
        .unit_type.range.end   = range_end, \
        .content_type          = CBS_CONTENT_TYPE_INTERNAL_REFS, \
        .content_size          = sizeof(structure), \
        .type.ref = { .nb_offsets = 1, \
                      .offsets    = { offsetof(structure, ref_field) } }, \
    }

Definition at line 369 of file cbs_internal.h.

◆ CBS_UNIT_TYPES_COMPLEX

#define CBS_UNIT_TYPES_COMPLEX	(	types,
		structure,
		free_func )

Value:

        { \
        .nb_unit_types  = FF_ARRAY_ELEMS((CodedBitstreamUnitType[])TYPE_LIST types), \
        .unit_type.list = TYPE_LIST types, \
        .content_type   = CBS_CONTENT_TYPE_COMPLEX, \
        .content_size   = sizeof(structure), \
        .type.complex   = { .content_free = free_func }, \
    }

Definition at line 379 of file cbs_internal.h.

◆ CBS_UNIT_TYPE_COMPLEX

#define CBS_UNIT_TYPE_COMPLEX	(	type,
		structure,
		free_func )

Value:

CBS_UNIT_TYPES_COMPLEX((type), structure, free_func)

CBS_UNIT_TYPES_COMPLEX

#define CBS_UNIT_TYPES_COMPLEX(types, structure, free_func)

Definition cbs_internal.h:379

Definition at line 386 of file cbs_internal.h.

◆ CBS_UNIT_TYPE_END_OF_LIST

#define CBS_UNIT_TYPE_END_OF_LIST { .nb_unit_types = 0 }

Definition at line 389 of file cbs_internal.h.

Enumeration Type Documentation

◆ CBSContentType

enum CBSContentType

Enumerator
CBS_CONTENT_TYPE_INTERNAL_REFS
CBS_CONTENT_TYPE_COMPLEX

Definition at line 76 of file cbs_internal.h.

◆ anonymous enum

anonymous enum

Enumerator
CBS_MAX_LIST_UNIT_TYPES
CBS_MAX_REF_OFFSETS
CBS_UNIT_TYPE_RANGE

Definition at line 86 of file cbs_internal.h.

Function Documentation

◆ trace_header()

void CBS_FUNC trace_header	(	CodedBitstreamContext *	ctx,
		const char *	name )

Definition at line 481 of file cbs.c.

Referenced by trace_header().

◆ read_unsigned()

int CBS_FUNC 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 )

Referenced by read_unsigned().

◆ read_simple_unsigned()

int CBS_FUNC read_simple_unsigned	(	CodedBitstreamContext *	ctx,
		GetBitContext *	gbc,
		int	width,
		const char *	name,
		uint32_t *	write_to )

Referenced by read_simple_unsigned().

◆ write_unsigned()

int CBS_FUNC 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 )

Referenced by write_unsigned().

◆ write_simple_unsigned()

int CBS_FUNC write_simple_unsigned	(	CodedBitstreamContext *	ctx,
		PutBitContext *	pbc,
		int	width,
		const char *	name,
		uint32_t	value )

Referenced by write_simple_unsigned().

◆ read_signed()

int CBS_FUNC 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 )

◆ write_signed()

int CBS_FUNC 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 )

Referenced by write_signed().

◆ CBS_FUNC() [1/10]

const CodedBitstreamType CBS_FUNC ( type_apv )

extern

◆ CBS_FUNC() [2/10]

const CodedBitstreamType CBS_FUNC ( type_av1 )

extern

◆ CBS_FUNC() [3/10]

const CodedBitstreamType CBS_FUNC ( type_h264 )

extern

◆ CBS_FUNC() [4/10]

const CodedBitstreamType CBS_FUNC ( type_h265 )

extern

◆ CBS_FUNC() [5/10]

const CodedBitstreamType CBS_FUNC ( type_h266 )

extern

◆ CBS_FUNC() [6/10]

const CodedBitstreamType CBS_FUNC ( type_lcevc )

extern

◆ CBS_FUNC() [7/10]

const CodedBitstreamType CBS_FUNC ( type_jpeg )

extern

◆ CBS_FUNC() [8/10]

const CodedBitstreamType CBS_FUNC ( type_mpeg2 )

extern

◆ CBS_FUNC() [9/10]

const CodedBitstreamType CBS_FUNC ( type_vp8 )

extern

◆ CBS_FUNC() [10/10]

const CodedBitstreamType CBS_FUNC ( type_vp9 )

extern

Data Structures

Macros

Enumerations

Functions

Macro Definition Documentation

◆ CBS_READ

◆ CBS_WRITE

◆ CBS_TRACE

◆ CBS_APV

◆ CBS_AV1

◆ CBS_H264

◆ CBS_H265

◆ CBS_H266

◆ CBS_LCEVC

◆ CBS_JPEG

◆ CBS_MPEG2

◆ CBS_VP8

◆ CBS_VP9

◆ MAX_UINT_BITS

◆ MAX_INT_BITS

◆ MIN_INT_BITS

◆ CBS_TRACE_READ_START

◆ CBS_TRACE_READ_END

◆ CBS_TRACE_READ_END_NO_SUBSCRIPTS

◆ CBS_TRACE_READ_END_VALUE_ONLY

◆ CBS_TRACE_WRITE_START

◆ CBS_TRACE_WRITE_END

◆ CBS_TRACE_WRITE_END_NO_SUBSCRIPTS

◆ CBS_TRACE_WRITE_END_VALUE_ONLY

◆ TYPE_LIST

◆ CBS_UNIT_TYPE_POD

◆ CBS_UNIT_RANGE_POD

◆ CBS_UNIT_TYPES_INTERNAL_REF

◆ CBS_UNIT_TYPE_INTERNAL_REF

◆ CBS_UNIT_RANGE_INTERNAL_REF

◆ CBS_UNIT_TYPES_COMPLEX

◆ CBS_UNIT_TYPE_COMPLEX

◆ CBS_UNIT_TYPE_END_OF_LIST

Enumeration Type Documentation

◆ CBSContentType

◆ anonymous enum

Function Documentation

◆ trace_header()

◆ read_unsigned()

◆ read_simple_unsigned()

◆ write_unsigned()

◆ write_simple_unsigned()

◆ read_signed()

◆ write_signed()

◆ CBS_FUNC() [1/10]

◆ CBS_FUNC() [2/10]

◆ CBS_FUNC() [3/10]

◆ CBS_FUNC() [4/10]

◆ CBS_FUNC() [5/10]

◆ CBS_FUNC() [6/10]

◆ CBS_FUNC() [7/10]

◆ CBS_FUNC() [8/10]

◆ CBS_FUNC() [9/10]

◆ CBS_FUNC() [10/10]