H.265 NAL representation. More...

#include <stdbool.h>
#include <slice99.h>
#include <smolrtsp/priv/compiler_attrs.h>

Include dependency graph for h265.h:

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

Data Structures
struct	SmolRTSP_H265NalHeader
	An H.265 NAL header. More...

struct	SmolRTSP_H265NalUnit
	An H.265 NAL unit. More...

Macros
#define	SMOLRTSP_H265_NAL_HEADER_SIZE sizeof(uint16_t)
	The size of an H.265 NAL header.

#define	SMOLRTSP_H265_FU_HEADER_SIZE (/* payload-hdr / sizeof(uint16_t) + / fu-header */ sizeof(uint8_t))
	The size of an H.265 fragmentation unit (FU) header.

#define	SMOLRTSP_H265_NAL_UNIT_TRAIL_N 0
	Coded slice segment of a non-TSA, non-STSA trailing picture.

#define	SMOLRTSP_H265_NAL_UNIT_TRAIL_R 1
	Coded slice segment of a non-TSA, non-STSA trailing picture.

#define	SMOLRTSP_H265_NAL_UNIT_TSA_N 2
	Coded slice segment of a TSA picture.

#define	SMOLRTSP_H265_NAL_UNIT_TSA_R 3
	Coded slice segment of a TSA picture.

#define	SMOLRTSP_H265_NAL_UNIT_STSA_N 4
	Coded slice segment of an STSA picture.

#define	SMOLRTSP_H265_NAL_UNIT_STSA_R 5
	Coded slice segment of an STSA picture.

#define	SMOLRTSP_H265_NAL_UNIT_RADL_N 6
	Coded slice segment of a RADL picture.

#define	SMOLRTSP_H265_NAL_UNIT_RADL_R 7
	Coded slice segment of a RADL picture.

#define	SMOLRTSP_H265_NAL_UNIT_RASL_N 8
	Coded slice segment of a RASL picture.

#define	SMOLRTSP_H265_NAL_UNIT_RASL_R 9
	Coded slice segment of a RASL picture.

#define	SMOLRTSP_H265_NAL_UNIT_BLA_W_LP 16
	Coded slice segment of a BLA picture.

#define	SMOLRTSP_H265_NAL_UNIT_BLA_W_RADL 17
	Coded slice segment of a BLA picture.

#define	SMOLRTSP_H265_NAL_UNIT_BLA_N_LP 18
	Coded slice segment of a BLA picture.

#define	SMOLRTSP_H265_NAL_UNIT_IDR_W_RADL 19
	Coded slice segment of an IDR picture.

#define	SMOLRTSP_H265_NAL_UNIT_IDR_N_LP 20
	Coded slice segment of an IDR picture.

#define	SMOLRTSP_H265_NAL_UNIT_CRA_NUT 21
	Coded slice segment of a CRA picture.

#define	SMOLRTSP_H265_NAL_UNIT_VPS_NUT 32
	Video parameter set.

#define	SMOLRTSP_H265_NAL_UNIT_SPS_NUT 33
	Sequence parameter set.

#define	SMOLRTSP_H265_NAL_UNIT_PPS_NUT 34
	Picture parameter set.

#define	SMOLRTSP_H265_NAL_UNIT_AUD_NUT 35
	Access unit delimiter.

#define	SMOLRTSP_H265_NAL_UNIT_EOS_NUT 36
	End of sequence.

#define	SMOLRTSP_H265_NAL_UNIT_EOB_NUT 37
	End of bitstream.

#define	SMOLRTSP_H265_NAL_UNIT_FD_NUT 38
	Filler data.

#define	SMOLRTSP_H265_NAL_UNIT_PREFIX_SEI_NUT 39
	Supplemental enhancement information.

#define	SMOLRTSP_H265_NAL_UNIT_SUFFIX_SEI_NUT 40
	Supplemental enhancement information.

Functions
SmolRTSP_H265NalHeader	SmolRTSP_H265NalHeader_parse (uint8_t bytes[restrict static 2]) SMOLRTSP_PRIV_MUST_USE
	Parses an H.265 NAL header from `byte_header`.

uint16_t	SmolRTSP_H265NalHeader_serialize (SmolRTSP_H265NalHeader self) SMOLRTSP_PRIV_MUST_USE
	Converts `self` to a two-octet representation.

bool	SmolRTSP_H265NalHeader_is_vps (SmolRTSP_H265NalHeader self) SMOLRTSP_PRIV_MUST_USE
	Checks whether `self` is VPS.

bool	SmolRTSP_H265NalHeader_is_sps (SmolRTSP_H265NalHeader self) SMOLRTSP_PRIV_MUST_USE
	Checks whether `self` is SPS.

bool	SmolRTSP_H265NalHeader_is_pps (SmolRTSP_H265NalHeader self) SMOLRTSP_PRIV_MUST_USE
	Checks whether `self` is PPS.

bool	SmolRTSP_H265NalHeader_is_coded_slice_idr (SmolRTSP_H265NalHeader self) SMOLRTSP_PRIV_MUST_USE
	Checks whether `self` is a coded slice IDR.

bool	SmolRTSP_H265NalHeader_is_coded_slice_non_idr (SmolRTSP_H265NalHeader self) SMOLRTSP_PRIV_MUST_USE
	Checks whether `self` is a coded slice non-IDR.

void	SmolRTSP_H265NalHeader_write_fu_header (SmolRTSP_H265NalHeader self, uint8_t buffer[restrict], bool is_first_fragment, bool is_last_fragment)
	Writes a FU header of `self` to `buffer`.

Detailed Description

H.265 NAL representation.

See also: H.265 spec: https://www.itu.int/rec/T-REC-H.265.

Macro Definition Documentation

◆ SMOLRTSP_H265_FU_HEADER_SIZE

#define SMOLRTSP_H265_FU_HEADER_SIZE (/* payload-hdr */ sizeof(uint16_t) + /* fu-header */ sizeof(uint8_t))

The size of an H.265 fragmentation unit (FU) header.

See also: https://datatracker.ietf.org/doc/html/rfc7798#section-4.4.3

Function Documentation

◆ SmolRTSP_H265NalHeader_write_fu_header()

void SmolRTSP_H265NalHeader_write_fu_header	(	SmolRTSP_H265NalHeader	self,
		uint8_t	buffer[restrict],
		bool	is_first_fragment,
		bool	is_last_fragment
	)

Writes a FU header of self to buffer.

Parameters

[in]	self	The header to write.
[out]	buffer	The memory area capable of storing SMOLRTSP_H265_FU_HEADER_SIZE bytes.
[in]	is_first_fragment	The indication of a start of the FU.
[in]	is_last_fragment	The indication of an end of the FU.

See also: https://datatracker.ietf.org/doc/html/rfc7798#section-4.4.3

Data Structures

Macros

Functions

Detailed Description

Macro Definition Documentation

◆ SMOLRTSP_H265_FU_HEADER_SIZE

Function Documentation

◆ SmolRTSP_H265NalHeader_write_fu_header()