reframe_nalu.c File Reference

#include <gpac/avparse.h>
#include <gpac/constants.h>
#include <gpac/filters.h>
#include <gpac/internal/media_dev.h>
#include <gpac/internal/isomedia_dev.h>

Include dependency graph for reframe_nalu.c:

Data Structures
struct	NALUIdx
struct	LHVCLayerInfo
struct	GF_NALUDmxCtx

Macros
#define	CTS_POC_OFFSET_SAFETY   1000
#define	OFFS(_n)   #_n, offsetof(GF_NALUDmxCtx, _n)

Typedefs
typedef u32	GF_DolbyVisionSignalingMode
typedef u32	GF_GOPBufferingMode

Enumerations
enum	GF_DolbyVisionSignalingMode_t {   DVMODE_NONE =0 , DVMODE_AUTO , DVMODE_FORCE , DVMODE_CLEAN ,   DVMODE_SINGLE }
enum	GF_GOPBufferingMode_t { STRICT_POC_OFF = 0 , STRICT_POC_ON , STRICT_POC_ERROR }

Functions
GF_Err	gf_bs_set_logger (GF_BitStream *bs, void(*on_bs_log)(void *udta, const char *field_name, u32 nb_bits, u64 field_val, s32 idx1, s32 idx2, s32 idx3), void *udta)
static void	naludmx_enqueue_or_dispatch (GF_NALUDmxCtx *ctx, GF_FilterPacket *n_pck, Bool flush_ref)
static void	naludmx_finalize_au_flags (GF_NALUDmxCtx *ctx)
static void	naludmx_reset_param_sets (GF_NALUDmxCtx *ctx, Bool do_free)
static void	naludmx_set_dolby_vision (GF_NALUDmxCtx *ctx)
GF_Err	naludmx_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static u64	naludmx_next_start_code (GF_BitStream *bs, u64 offset, u64 fsize, u32 *sc_size)
void	naludmx_probe_recovery_sei (GF_BitStream *bs, AVCState *avc)
static void	naludmx_check_dur (GF_Filter *filter, GF_NALUDmxCtx *ctx)
static void	naludmx_add_param_nalu (GF_List *param_list, GF_NALUFFParam *sl, u8 nal_type)
static void	naludmx_hevc_set_parall_type (GF_NALUDmxCtx *ctx, GF_HEVCConfig *hevc_cfg)
GF_Err	naludmx_set_hevc_oinf (GF_NALUDmxCtx *ctx, u8 *max_temporal_id)
static void	naludmx_set_hevc_linf (GF_NALUDmxCtx *ctx)
static Bool	naludmx_create_hevc_decoder_config (GF_NALUDmxCtx *ctx, u8 **dsi, u32 *dsi_size, u8 **dsi_enh, u32 *dsi_enh_size, u32 *max_width, u32 *max_height, u32 *max_enh_width, u32 *max_enh_height, GF_Fraction *sar, Bool *has_hevc_base)
static Bool	naludmx_create_vvc_decoder_config (GF_NALUDmxCtx *ctx, u8 **dsi, u32 *dsi_size, u8 **dsi_enh, u32 *dsi_enh_size, u32 *max_width, u32 *max_height, u32 *max_enh_width, u32 *max_enh_height, GF_Fraction *sar, Bool *has_vvc_base)
Bool	naludmx_create_avc_decoder_config (GF_NALUDmxCtx *ctx, u8 **dsi, u32 *dsi_size, u8 **dsi_enh, u32 *dsi_enh_size, u32 *max_width, u32 *max_height, u32 *max_enh_width, u32 *max_enh_height, GF_Fraction *sar)
static void	naludmx_end_access_unit (GF_NALUDmxCtx *ctx)
static void	naludmx_update_clli_mdcv (GF_NALUDmxCtx *ctx, Bool reset_crc)
static void	naludmx_check_pid (GF_Filter *filter, GF_NALUDmxCtx *ctx, Bool force_au_flush, Bool next_is_idr)
static Bool	naludmx_process_event (GF_Filter *filter, const GF_FilterEvent *evt)
static GFINLINE void	naludmx_update_time (GF_NALUDmxCtx *ctx)
static void	naludmx_queue_param_set (GF_NALUDmxCtx *ctx, char *data, u32 size, u32 ps_type, s32 ps_id, u32 tid, u32 lid)
static void	naludmx_update_nalu_maxsize (GF_NALUDmxCtx *ctx, u32 size)
GF_FilterPacket *	naludmx_start_nalu (GF_NALUDmxCtx *ctx, u32 nal_size, Bool skip_nal_field, Bool *au_start, u8 **pck_data)
void	naludmx_add_subsample (GF_NALUDmxCtx *ctx, u32 subs_size, u8 subs_priority, u32 subs_reserved)
static void	naludmx_push_prefix (GF_NALUDmxCtx *ctx, u8 *data, u32 size, Bool avc_sei_rewrite)
static s32	naludmx_parse_nal_hevc (GF_NALUDmxCtx *ctx, char *data, u32 size, Bool *skip_nal, u32 *is_slice, Bool *is_islice)
static s32	naludmx_parse_nal_vvc (GF_NALUDmxCtx *ctx, char *data, u32 size, Bool *skip_nal, u32 *is_slice, Bool *is_islice)
static s32	naludmx_parse_nal_avc (GF_NALUDmxCtx *ctx, char *data, u32 size, u32 nal_type, Bool *skip_nal, u32 *is_slice, Bool *is_islice)
static void	naldmx_switch_timestamps (GF_NALUDmxCtx *ctx, GF_FilterPacket *pck)
static void	naldmx_check_timestamp_switch (GF_NALUDmxCtx *ctx, u32 *nalu_store_before, u32 bytes_drop, Bool *drop_packet, GF_FilterPacket *pck)
static void	naldmx_bs_log (void *udta, const char *field_name, u32 nb_bits, u64 field_val, s32 idx1, s32 idx2, s32 idx3)
GF_Err	naludmx_process (GF_Filter *filter)
static GF_Err	naludmx_initialize (GF_Filter *filter)
static void	naludmx_del_param_list (GF_List *ps, Bool do_free)
static void	naludmx_log_stats (GF_NALUDmxCtx *ctx)
static void	naludmx_finalize (GF_Filter *filter)
static const char *	naludmx_probe_data (const u8 *data, u32 size, GF_FilterProbeScore *score)
const GF_FilterRegister *	rfnalu_register (GF_FilterSession *session)

Variables
static const GF_FilterCapability	NALUDmxCaps []
static const GF_FilterArgs	NALUDmxArgs []
GF_FilterRegister	NALUDmxRegister

---

Data Structure Documentation

NALUIdx

struct NALUIdx

Data Fields
u64	pos
Double	duration
u32	roll_count

LHVCLayerInfo

struct LHVCLayerInfo

Data Fields
u32	layer_id_plus_one
u32	min_temporal_id
u32	max_temporal_id

GF_NALUDmxCtx

struct GF_NALUDmxCtx

Collaboration diagram for GF_NALUDmxCtx:

Data Fields
GF_Fraction	fps
Double	index
Bool	explicit
Bool	force_sync
Bool	nosei
Bool	importer
Bool	subsamples
Bool	nosvc
Bool	novpsext
Bool	deps
Bool	seirw
Bool	audelim
Bool	keepfiller
Bool	analyze
Bool	notime
Bool	refs
u32	nal_length
GF_GOPBufferingMode	strict_poc
u32	bsdbg
GF_Fraction	dur
GF_DolbyVisionSignalingMode	dv_mode
u32	dv_profile
u32	dv_compatid
GF_FilterPid *	ipid
GF_FilterPid *	opid
GF_BitStream *	bs_r
GF_BitStream *	bs_w
u64	cts
u64	dts
u64	prev_dts
u64	prev_cts
u32	pck_duration
u32	width
u32	height
u32	crc_cfg
u32	crc_cfg_enh
GF_Fraction	sar
GF_Fraction	cur_fps
GF_Fraction64	duration
Double	start_range
Bool	in_seek
u32	seek_gdr_count
Bool	first_gdr
Bool	is_playing
Bool	is_file
Bool	file_loaded
Bool	initial_play_done
NALUIdx *	indexes
u32	index_alloc_size
u32	index_size
u32	timescale
Bool	input_is_au_start
GF_FilterPacket *	src_pck
Bool	full_au_source
s32	max_total_delay
u32	max_nalu_size_allowed
u32	resume_from
Bool	nal_adjusted
u32	codecid
const char *	log_name
GF_List *	pck_queue
u64	dts_last_IDR
u32	max_nalu_size
u8 *	nal_store
u32	nal_store_size
u32	nal_store_alloc
GF_List *	sps
GF_List *	pps
GF_List *	vps
GF_List *	sps_ext
GF_List *	pps_svc
GF_List *	vvc_aps_pre
GF_List *	vvc_dci
GF_List *	vvc_opi
GF_List *	sei_prefix
u32	ps_modified
Bool	ps_changed
u32	nb_idr
u32	nb_i
u32	nb_p
u32	nb_b
u32	nb_sp
u32	nb_si
u32	nb_sei
u32	nb_nalus
u32	nb_aud
u32	nb_cra
Bool	has_islice
GF_FilterSAPType	au_sap
u32	nb_slices_in_au
Bool	au_sap2_poc_reset
u32	field_type
s32	sei_recovery_frame_count
u32	use_opengop_gdr
s32	last_poc
s32	max_last_poc
s32	max_last_b_poc
s32	poc_diff
s32	prev_last_poc
s32	min_poc
s32	poc_shift
Bool	poc_probe_done
Bool	min_poc_probe_done
GF_FilterPacket *	first_pck_in_au
Bool	has_ref_slices
Bool	has_redundant
Bool	last_frame_is_idr
char *	sei_buffer
u32	sei_buffer_size
u32	sei_buffer_alloc
u32	subsamp_buffer_alloc
u32	subsamp_buffer_size
u32	subs_mapped_bytes
char *	subsamp_buffer
AVCState *	avc_state
char *	svc_prefix_buffer
u32	svc_prefix_buffer_size
u32	svc_prefix_buffer_alloc
u32	svc_nalu_prefix_reserved
u8	svc_nalu_prefix_priority
HEVCState *	hevc_state
u32	nb_e_idr
u32	nb_e_i
u32	nb_e_p
u32	nb_e_b
Bool	vvc_no_stats
LHVCLayerInfo	linf[64]
u8	max_temporal_id[64]
u8	min_layer_id
VVCState *	vvc_state
Bool	has_initial_aud
char	init_aud[3]
Bool	interlaced
Bool	is_mvc
u32	bitrate
u32	nb_frames
u8	last_layer_id
u8	last_temporal_id
u32	clli_crc
u32	mdcv_crc
u32	nb_dv_rpu
u32	nb_dv_el
u32	valid_ps_flags
Bool	check_prev_sap2
s32	prev_sap2_poc
Bool	sap2_as_sap1
GF_FilterPacket *	prev_sap
GF_SEILoader *	sei_loader

Macro Definition Documentation

CTS_POC_OFFSET_SAFETY

#define CTS_POC_OFFSET_SAFETY   1000

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_NALUDmxCtx, _n)

Typedef Documentation

GF_DolbyVisionSignalingMode

typedef u32 GF_DolbyVisionSignalingMode

GF_GOPBufferingMode

typedef u32 GF_GOPBufferingMode

Enumeration Type Documentation

GF_DolbyVisionSignalingMode_t

enum GF_DolbyVisionSignalingMode_t

Enumerator
DVMODE_NONE
DVMODE_AUTO
DVMODE_FORCE
DVMODE_CLEAN
DVMODE_SINGLE

GF_GOPBufferingMode_t

enum GF_GOPBufferingMode_t

Enumerator
STRICT_POC_OFF
STRICT_POC_ON
STRICT_POC_ERROR

Function Documentation

gf_bs_set_logger()

GF_Err gf_bs_set_logger	(	GF_BitStream *	bs,
		void(*)(void *udta, const char *field_name, u32 nb_bits, u64 field_val, s32 idx1, s32 idx2, s32 idx3)	on_bs_log,
		void *	udta
	)

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naludmx_enqueue_or_dispatch()

static void naludmx_enqueue_or_dispatch ( GF_NALUDmxCtx *  ctx, GF_FilterPacket *  n_pck, Bool  flush_ref  )

static

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naludmx_finalize_au_flags()

static void naludmx_finalize_au_flags ( GF_NALUDmxCtx *  ctx )

static

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naludmx_reset_param_sets()

static void naludmx_reset_param_sets ( GF_NALUDmxCtx *  ctx, Bool  do_free  )

static

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naludmx_set_dolby_vision()

static void naludmx_set_dolby_vision ( GF_NALUDmxCtx *  ctx )

static

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naludmx_configure_pid()

GF_Err naludmx_configure_pid	(	GF_Filter *	filter,
		GF_FilterPid *	pid,
		Bool	is_remove
	)

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naludmx_next_start_code()

static u64 naludmx_next_start_code ( GF_BitStream *  bs, u64  offset, u64  fsize, u32 *  sc_size  )

static

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naludmx_probe_recovery_sei()

void naludmx_probe_recovery_sei	(	GF_BitStream *	bs,
		AVCState *	avc
	)

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naludmx_check_dur()

static void naludmx_check_dur ( GF_Filter *  filter, GF_NALUDmxCtx *  ctx  )

static

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naludmx_add_param_nalu()

static void naludmx_add_param_nalu ( GF_List *  param_list, GF_NALUFFParam *  sl, u8  nal_type  )

static

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naludmx_hevc_set_parall_type()

static void naludmx_hevc_set_parall_type ( GF_NALUDmxCtx *  ctx, GF_HEVCConfig *  hevc_cfg  )

static

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naludmx_set_hevc_oinf()

GF_Err naludmx_set_hevc_oinf	(	GF_NALUDmxCtx *	ctx,
		u8 *	max_temporal_id
	)

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naludmx_set_hevc_linf()

static void naludmx_set_hevc_linf ( GF_NALUDmxCtx *  ctx )

static

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naludmx_create_hevc_decoder_config()

static Bool naludmx_create_hevc_decoder_config ( GF_NALUDmxCtx *  ctx, u8 **  dsi, u32 *  dsi_size, u8 **  dsi_enh, u32 *  dsi_enh_size, u32 *  max_width, u32 *  max_height, u32 *  max_enh_width, u32 *  max_enh_height, GF_Fraction *  sar, Bool *  has_hevc_base  )

static

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naludmx_create_vvc_decoder_config()

static Bool naludmx_create_vvc_decoder_config ( GF_NALUDmxCtx *  ctx, u8 **  dsi, u32 *  dsi_size, u8 **  dsi_enh, u32 *  dsi_enh_size, u32 *  max_width, u32 *  max_height, u32 *  max_enh_width, u32 *  max_enh_height, GF_Fraction *  sar, Bool *  has_vvc_base  )

static

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naludmx_create_avc_decoder_config()

Bool naludmx_create_avc_decoder_config	(	GF_NALUDmxCtx *	ctx,
		u8 **	dsi,
		u32 *	dsi_size,
		u8 **	dsi_enh,
		u32 *	dsi_enh_size,
		u32 *	max_width,
		u32 *	max_height,
		u32 *	max_enh_width,
		u32 *	max_enh_height,
		GF_Fraction *	sar
	)

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naludmx_end_access_unit()

static void naludmx_end_access_unit ( GF_NALUDmxCtx *  ctx )

static

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naludmx_update_clli_mdcv()

static void naludmx_update_clli_mdcv ( GF_NALUDmxCtx *  ctx, Bool  reset_crc  )

static

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naludmx_check_pid()

static void naludmx_check_pid ( GF_Filter *  filter, GF_NALUDmxCtx *  ctx, Bool  force_au_flush, Bool  next_is_idr  )

static

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naludmx_process_event()

static Bool naludmx_process_event ( GF_Filter *  filter, const GF_FilterEvent *  evt  )

static

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naludmx_update_time()

static GFINLINE void naludmx_update_time ( GF_NALUDmxCtx *  ctx )

static

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naludmx_queue_param_set()

static void naludmx_queue_param_set ( GF_NALUDmxCtx *  ctx, char *  data, u32  size, u32  ps_type, s32  ps_id, u32  tid, u32  lid  )

static

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naludmx_update_nalu_maxsize()

static void naludmx_update_nalu_maxsize ( GF_NALUDmxCtx *  ctx, u32  size  )

static

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naludmx_start_nalu()

GF_FilterPacket * naludmx_start_nalu	(	GF_NALUDmxCtx *	ctx,
		u32	nal_size,
		Bool	skip_nal_field,
		Bool *	au_start,
		u8 **	pck_data
	)

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naludmx_add_subsample()

void naludmx_add_subsample	(	GF_NALUDmxCtx *	ctx,
		u32	subs_size,
		u8	subs_priority,
		u32	subs_reserved
	)

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naludmx_push_prefix()

static void naludmx_push_prefix ( GF_NALUDmxCtx *  ctx, u8 *  data, u32  size, Bool  avc_sei_rewrite  )

static

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naludmx_parse_nal_hevc()

static s32 naludmx_parse_nal_hevc ( GF_NALUDmxCtx *  ctx, char *  data, u32  size, Bool *  skip_nal, u32 *  is_slice, Bool *  is_islice  )

static

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naludmx_parse_nal_vvc()

static s32 naludmx_parse_nal_vvc ( GF_NALUDmxCtx *  ctx, char *  data, u32  size, Bool *  skip_nal, u32 *  is_slice, Bool *  is_islice  )

static

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naludmx_parse_nal_avc()

static s32 naludmx_parse_nal_avc ( GF_NALUDmxCtx *  ctx, char *  data, u32  size, u32  nal_type, Bool *  skip_nal, u32 *  is_slice, Bool *  is_islice  )

static

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naldmx_switch_timestamps()

static void naldmx_switch_timestamps ( GF_NALUDmxCtx *  ctx, GF_FilterPacket *  pck  )

static

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naldmx_check_timestamp_switch()

static void naldmx_check_timestamp_switch ( GF_NALUDmxCtx *  ctx, u32 *  nalu_store_before, u32  bytes_drop, Bool *  drop_packet, GF_FilterPacket *  pck  )

static

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naldmx_bs_log()

static void naldmx_bs_log ( void *  udta, const char *  field_name, u32  nb_bits, u64  field_val, s32  idx1, s32  idx2, s32  idx3  )

static

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naludmx_process()

GF_Err naludmx_process

(

GF_Filter *

filter

)

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naludmx_initialize()

static GF_Err naludmx_initialize ( GF_Filter *  filter )

static

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naludmx_del_param_list()

static void naludmx_del_param_list ( GF_List *  ps, Bool  do_free  )

static

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naludmx_log_stats()

static void naludmx_log_stats ( GF_NALUDmxCtx *  ctx )

static

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naludmx_finalize()

static void naludmx_finalize ( GF_Filter *  filter )

static

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naludmx_probe_data()

static const char * naludmx_probe_data ( const u8 *  data, u32  size, GF_FilterProbeScore *  score  )

static

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rfnalu_register()

const GF_FilterRegister * rfnalu_register

(

GF_FilterSession *

session

)

Variable Documentation

NALUDmxCaps

const GF_FilterCapability NALUDmxCaps[]

static

NALUDmxArgs

const GF_FilterArgs NALUDmxArgs[]

static

NALUDmxRegister

GF_FilterRegister NALUDmxRegister

Initial value:

= {
        .name = "rfnalu",
 
        GF_FS_SET_HELP("This filter parses AVC|H264 and HEVC files/data and outputs corresponding video PID and frames.\n"
        "This filter produces ISOBMFF-compatible output: start codes are removed, NALU length field added and avcC/hvcC config created.\n"
        "Note: The filter uses negative CTS offsets: CTS is correct, but some frames may have DTS greater than CTS.")
        .private_size = sizeof(GF_NALUDmxCtx),
        .args = NALUDmxArgs,
        .initialize = naludmx_initialize,
        .finalize = naludmx_finalize,
        SETCAPS(NALUDmxCaps),
        .configure_pid = naludmx_configure_pid,
        .process = naludmx_process,
        .process_event = naludmx_process_event,
        .probe_data = naludmx_probe_data,
        .hint_class_type = GF_FS_CLASS_FRAMING
}