#include "libavutil/imgutils.h"
#include "golomb.h"
#include "hevc_data.h"
#include "hevc_ps.h"

Functions
static void	remove_pps (HEVCParamSets *s, int id)

static void	remove_sps (HEVCParamSets *s, int id)

static void	remove_vps (HEVCParamSets *s, int id)

int	ff_hevc_decode_short_term_rps (GetBitContext gb, AVCodecContext avctx, ShortTermRPS rps, const HEVCSPS sps, int is_slice_header)

static int	decode_profile_tier_level (GetBitContext gb, AVCodecContext avctx, PTLCommon *ptl)

static int	parse_ptl (GetBitContext gb, AVCodecContext avctx, PTL *ptl, int max_num_sub_layers)

static void	decode_sublayer_hrd (GetBitContext *gb, unsigned int nb_cpb, int subpic_params_present)

static int	decode_hrd (GetBitContext *gb, int common_inf_present, int max_sublayers)

int	ff_hevc_decode_nal_vps (GetBitContext gb, AVCodecContext avctx, HEVCParamSets *ps)

static void	decode_vui (GetBitContext gb, AVCodecContext avctx, int apply_defdispwin, HEVCSPS *sps)

static void	set_default_scaling_list_data (ScalingList *sl)

static int	scaling_list_data (GetBitContext gb, AVCodecContext avctx, ScalingList sl, HEVCSPS sps)

static int	map_pixel_format (AVCodecContext avctx, HEVCSPS sps)

int	ff_hevc_parse_sps (HEVCSPS sps, GetBitContext gb, unsigned int sps_id, int apply_defdispwin, AVBufferRef vps_list, AVCodecContext avctx)
	Parse the SPS from the bitstream into the provided HEVCSPS struct. More...

int	ff_hevc_decode_nal_sps (GetBitContext gb, AVCodecContext avctx, HEVCParamSets *ps, int apply_defdispwin)

static void	hevc_pps_free (void opaque, uint8_t data)

static int	pps_range_extensions (GetBitContext gb, AVCodecContext avctx, HEVCPPS pps, HEVCSPS sps)

static int	setup_pps (AVCodecContext avctx, GetBitContext gb, HEVCPPS pps, HEVCSPS sps)

int	ff_hevc_decode_nal_pps (GetBitContext gb, AVCodecContext avctx, HEVCParamSets *ps)

void	ff_hevc_ps_uninit (HEVCParamSets *ps)

int	ff_hevc_compute_poc (const HEVCSPS *sps, int pocTid0, int poc_lsb, int nal_unit_type)
	Compute POC of the current frame and return it. More...

Variables
static const uint8_t	default_scaling_list_intra []

static const uint8_t	default_scaling_list_inter []

static const AVRational	vui_sar []

static const uint8_t	hevc_sub_width_c []

static const uint8_t	hevc_sub_height_c []

Function Documentation

◆ remove_pps()

static void remove_pps	(	HEVCParamSets *	s,
		int	id
	)

static

Definition at line 81 of file hevc_ps.c.

Referenced by ff_hevc_decode_nal_pps(), and remove_sps().

◆ remove_sps()

static void remove_sps	(	HEVCParamSets *	s,
		int	id
	)

static

Definition at line 88 of file hevc_ps.c.

Referenced by ff_hevc_decode_nal_sps(), and remove_vps().

◆ remove_vps()

static void remove_vps	(	HEVCParamSets *	s,
		int	id
	)

static

Definition at line 105 of file hevc_ps.c.

Referenced by ff_hevc_decode_nal_vps().

◆ ff_hevc_decode_short_term_rps()

int ff_hevc_decode_short_term_rps	(	GetBitContext *	gb,
		AVCodecContext *	avctx,
		ShortTermRPS *	rps,
		const HEVCSPS *	sps,
		int	is_slice_header
	)

Definition at line 119 of file hevc_ps.c.

Referenced by ff_hevc_parse_sps(), and hls_slice_header().

◆ decode_profile_tier_level()

static int decode_profile_tier_level	(	GetBitContext *	gb,
		AVCodecContext *	avctx,
		PTLCommon *	ptl
	)

static

Definition at line 265 of file hevc_ps.c.

Referenced by parse_ptl().

◆ parse_ptl()

static int parse_ptl	(	GetBitContext *	gb,
		AVCodecContext *	avctx,
		PTL *	ptl,
		int	max_num_sub_layers
	)

static

Definition at line 305 of file hevc_ps.c.

Referenced by ff_hevc_decode_nal_vps(), and ff_hevc_parse_sps().

◆ decode_sublayer_hrd()

static void decode_sublayer_hrd	(	GetBitContext *	gb,
		unsigned int	nb_cpb,
		int	subpic_params_present
	)

static

Definition at line 345 of file hevc_ps.c.

Referenced by decode_hrd().

◆ decode_hrd()

static int decode_hrd	(	GetBitContext *	gb,
		int	common_inf_present,
		int	max_sublayers
	)

static

Definition at line 362 of file hevc_ps.c.

Referenced by decode_vui(), and ff_hevc_decode_nal_vps().

◆ ff_hevc_decode_nal_vps()

int ff_hevc_decode_nal_vps	(	GetBitContext *	gb,
		AVCodecContext *	avctx,
		HEVCParamSets *	ps
	)

Definition at line 424 of file hevc_ps.c.

Referenced by decode_nal_unit(), hevc_decode_nal_units(), and parse_nal_units().

◆ decode_vui()

static void decode_vui	(	GetBitContext *	gb,
		AVCodecContext *	avctx,
		int	apply_defdispwin,
		HEVCSPS *	sps
	)

static

Definition at line 558 of file hevc_ps.c.

Referenced by ff_hevc_parse_sps().

◆ set_default_scaling_list_data()

static void set_default_scaling_list_data ( ScalingList * sl )

static

Definition at line 723 of file hevc_ps.c.

Referenced by ff_hevc_decode_nal_pps(), and ff_hevc_parse_sps().

◆ scaling_list_data()

static int scaling_list_data	(	GetBitContext *	gb,
		AVCodecContext *	avctx,
		ScalingList *	sl,
		HEVCSPS *	sps
	)

static

Definition at line 753 of file hevc_ps.c.

Referenced by ff_hevc_decode_nal_pps(), and ff_hevc_parse_sps().

◆ map_pixel_format()

static int map_pixel_format	(	AVCodecContext *	avctx,
		HEVCSPS *	sps
	)

static

Definition at line 829 of file hevc_ps.c.

Referenced by ff_hevc_parse_sps().

◆ ff_hevc_parse_sps()

int ff_hevc_parse_sps	(	HEVCSPS *	sps,
		GetBitContext *	gb,
		unsigned int *	sps_id,
		int	apply_defdispwin,
		AVBufferRef **	vps_list,
		AVCodecContext *	avctx
	)

Parse the SPS from the bitstream into the provided HEVCSPS struct.

Parameters

sps_id	the SPS id will be written here
apply_defdispwin	if set 1, the default display window from the VUI will be applied to the video dimensions
vps_list	if non-NULL, this function will validate that the SPS refers to an existing VPS

Definition at line 878 of file hevc_ps.c.

Referenced by ff_hevc_decode_nal_sps(), and generate_fake_vps().

◆ ff_hevc_decode_nal_sps()

int ff_hevc_decode_nal_sps	(	GetBitContext *	gb,
		AVCodecContext *	avctx,
		HEVCParamSets *	ps,
		int	apply_defdispwin
	)

Definition at line 1224 of file hevc_ps.c.

Referenced by decode_nal_unit(), hevc_decode_nal_units(), and parse_nal_units().

◆ hevc_pps_free()

static void hevc_pps_free	(	void *	opaque,
		uint8_t *	data
	)

static

Definition at line 1282 of file hevc_ps.c.

Referenced by ff_hevc_decode_nal_pps().

◆ pps_range_extensions()

static int pps_range_extensions	(	GetBitContext *	gb,
		AVCodecContext *	avctx,
		HEVCPPS *	pps,
		HEVCSPS *	sps
	)

static

Definition at line 1300 of file hevc_ps.c.

Referenced by ff_hevc_decode_nal_pps().

◆ setup_pps()

static int setup_pps	(	AVCodecContext *	avctx,
		GetBitContext *	gb,
		HEVCPPS *	pps,
		HEVCSPS *	sps
	)

inlinestatic

6.5

Definition at line 1341 of file hevc_ps.c.

Referenced by ff_hevc_decode_nal_pps().

◆ ff_hevc_decode_nal_pps()

int ff_hevc_decode_nal_pps	(	GetBitContext *	gb,
		AVCodecContext *	avctx,
		HEVCParamSets *	ps
	)

Definition at line 1473 of file hevc_ps.c.

Referenced by decode_nal_unit(), hevc_decode_nal_units(), and parse_nal_units().

◆ ff_hevc_ps_uninit()

void ff_hevc_ps_uninit ( HEVCParamSets * ps )

Definition at line 1721 of file hevc_ps.c.

Referenced by hevc_decode_free(), and hevc_parser_close().

◆ ff_hevc_compute_poc()

int ff_hevc_compute_poc	(	const HEVCSPS *	sps,
		int	pocTid0,
		int	poc_lsb,
		int	nal_unit_type
	)

Compute POC of the current frame and return it.

Definition at line 1737 of file hevc_ps.c.

Referenced by hevc_parse_slice_header(), and hls_slice_header().

Variable Documentation

◆ default_scaling_list_intra

const uint8_t default_scaling_list_intra[]

static

Initial value:

= {
    16, 16, 16, 16, 17, 18, 21, 24,
    16, 16, 16, 16, 17, 19, 22, 25,
    16, 16, 17, 18, 20, 22, 25, 29,
    16, 16, 18, 21, 24, 27, 31, 36,
    17, 17, 20, 24, 30, 35, 41, 47,
    18, 19, 22, 27, 35, 44, 54, 65,
    21, 22, 25, 31, 41, 54, 70, 88,
    24, 25, 29, 36, 47, 65, 88, 115
}

Definition at line 31 of file hevc_ps.c.

Referenced by set_default_scaling_list_data().

◆ default_scaling_list_inter

const uint8_t default_scaling_list_inter[]

static

Initial value:

= {
    16, 16, 16, 16, 17, 18, 20, 24,
    16, 16, 16, 17, 18, 20, 24, 25,
    16, 16, 17, 18, 20, 24, 25, 28,
    16, 17, 18, 20, 24, 25, 28, 33,
    17, 18, 20, 24, 25, 28, 33, 41,
    18, 20, 24, 25, 28, 33, 41, 54,
    20, 24, 25, 28, 33, 41, 54, 71,
    24, 25, 28, 33, 41, 54, 71, 91
}

Definition at line 42 of file hevc_ps.c.

Referenced by set_default_scaling_list_data().

◆ vui_sar

const AVRational vui_sar[]

static

Initial value:

= {
    {  0,   1 },
    {  1,   1 },
    { 12,  11 },
    { 10,  11 },
    { 16,  11 },
    { 40,  33 },
    { 24,  11 },
    { 20,  11 },
    { 32,  11 },
    { 80,  33 },
    { 18,  11 },
    { 15,  11 },
    { 64,  33 },
    { 160, 99 },
    {  4,   3 },
    {  3,   2 },
    {  2,   1 },
}

Definition at line 53 of file hevc_ps.c.

Referenced by decode_vui().

◆ hevc_sub_width_c

const uint8_t hevc_sub_width_c[]

static

Initial value:

= {
    1, 2, 2, 1
}

Definition at line 73 of file hevc_ps.c.

Referenced by decode_vui(), and ff_hevc_parse_sps().

◆ hevc_sub_height_c

const uint8_t hevc_sub_height_c[]

static

Initial value:

= {
    1, 2, 1, 1
}

Definition at line 77 of file hevc_ps.c.

Referenced by decode_vui(), and ff_hevc_parse_sps().

Functions

Variables

Function Documentation

◆ remove_pps()

◆ remove_sps()

◆ remove_vps()

◆ ff_hevc_decode_short_term_rps()

◆ decode_profile_tier_level()

◆ parse_ptl()

◆ decode_sublayer_hrd()

◆ decode_hrd()

◆ ff_hevc_decode_nal_vps()

◆ decode_vui()

◆ set_default_scaling_list_data()

◆ scaling_list_data()

◆ map_pixel_format()

◆ ff_hevc_parse_sps()

◆ ff_hevc_decode_nal_sps()

◆ hevc_pps_free()

◆ pps_range_extensions()

◆ setup_pps()

◆ ff_hevc_decode_nal_pps()

◆ ff_hevc_ps_uninit()

◆ ff_hevc_compute_poc()

Variable Documentation

◆ default_scaling_list_intra

◆ default_scaling_list_inter

◆ vui_sar

◆ hevc_sub_width_c

◆ hevc_sub_height_c