rewrite_nalu.c File Reference

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

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Data Structures
struct	GF_NALUMxCtx

Macros
#define	OFFS(_n)   #_n, offsetof(GF_NALUMxCtx, _n)

Enumerations
enum	{ UFNAL_AVC , UFNAL_HEVC , UFNAL_VVC }

Functions
static void	nalumx_write_ps_list (GF_NALUMxCtx *ctx, GF_BitStream *bs, GF_List *list, Bool for_non_rap)
static GF_List *	nalumx_get_hevc_ps (GF_HEVCConfig *cfg, u8 type)
static GF_List *	nalumx_get_vvc_ps (GF_VVCConfig *cfg, u8 type)
static GF_Err	nalumx_make_inband_header (GF_NALUMxCtx *ctx, char *dsi, u32 dsi_len, char *dsi_enh, u32 dsi_enh_len, Bool for_non_rap)
GF_Err	nalumx_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static Bool	nalumx_is_nal_skip (GF_NALUMxCtx *ctx, u8 *data, u32 pos, u32 nal_size, Bool *has_nal_delim, u32 *out_temporal_id, u32 *out_layer_id, u8 *avc_hdr, u32 *delim_flags)
GF_Err	nalumx_process (GF_Filter *filter)
static GF_Err	nalumx_initialize (GF_Filter *filter)
static void	nalumx_finalize (GF_Filter *filter)
const GF_FilterRegister *	ufnalu_register (GF_FilterSession *session)

Variables
static const GF_FilterCapability	NALUMxCaps []
static const GF_FilterArgs	NALUMxArgs []
GF_FilterRegister	NALUMxRegister

---

Data Structure Documentation

GF_NALUMxCtx

struct GF_NALUMxCtx

Collaboration diagram for GF_NALUMxCtx:

Data Fields
Bool	rcfg
Bool	pps_inband
u32	extract
u32	delim
GF_FilterPid *	ipid
GF_FilterPid *	opid
u32	vtype
u32	nal_hdr_size
u32	crc
u32	crc_enh
u8 *	dsi
u8 *	dsi_non_rap
u32	dsi_size
u32	dsi_non_rap_size
GF_BitStream *	bs_w
GF_BitStream *	bs_r
u32	nb_nalu
u32	nb_nalu_in_hdr
u32	nb_nalu_in_hdr_non_rap
u32	width
u32	height
HEVCState *	hevc_state
VVCState *	vvc_state
Bool	passthrough

Macro Definition Documentation

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_NALUMxCtx, _n)

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
UFNAL_AVC
UFNAL_HEVC
UFNAL_VVC

Function Documentation

nalumx_write_ps_list()

static void nalumx_write_ps_list ( GF_NALUMxCtx *  ctx, GF_BitStream *  bs, GF_List *  list, Bool  for_non_rap  )

static

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nalumx_get_hevc_ps()

static GF_List* nalumx_get_hevc_ps ( GF_HEVCConfig *  cfg, u8  type  )

static

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nalumx_get_vvc_ps()

static GF_List* nalumx_get_vvc_ps ( GF_VVCConfig *  cfg, u8  type  )

static

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nalumx_make_inband_header()

static GF_Err nalumx_make_inband_header ( GF_NALUMxCtx *  ctx, char *  dsi, u32  dsi_len, char *  dsi_enh, u32  dsi_enh_len, Bool  for_non_rap  )

static

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nalumx_configure_pid()

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

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nalumx_is_nal_skip()

static Bool nalumx_is_nal_skip ( GF_NALUMxCtx *  ctx, u8 *  data, u32  pos, u32  nal_size, Bool *  has_nal_delim, u32 *  out_temporal_id, u32 *  out_layer_id, u8 *  avc_hdr, u32 *  delim_flags  )

static

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nalumx_process()

GF_Err nalumx_process

(

GF_Filter *

filter

)

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nalumx_initialize()

static GF_Err nalumx_initialize ( GF_Filter *  filter )

static

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nalumx_finalize()

static void nalumx_finalize ( GF_Filter *  filter )

static

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ufnalu_register()

const GF_FilterRegister* ufnalu_register

(

GF_FilterSession *

session

)

Variable Documentation

NALUMxCaps

const GF_FilterCapability NALUMxCaps[]

static

NALUMxArgs

const GF_FilterArgs NALUMxArgs[]

static

Initial value:

=
{
        { OFFS(rcfg), "force repeating decoder config at each I-frame", GF_PROP_BOOL, "true", NULL, 0},
        { OFFS(extract), "layer extraction mode\n"
        "- all: extracts all layers\n"
        "- base: extract base layer only\n"
        "- layer: extract non-base layer(s) only", GF_PROP_UINT, "all", "all|base|layer", GF_FS_ARG_HINT_ADVANCED},
        { OFFS(delim), "insert AU Delimiter NAL", GF_PROP_BOOL, "true", NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(pps_inband), "inject PPS at each non SAP frame, ignored if rcfg is not set", GF_PROP_BOOL, "false", NULL, 0},
        {0}
}

NALUMxRegister

GF_FilterRegister NALUMxRegister

Initial value:

= {
        .name = "ufnalu",
 
 
        .private_size = sizeof(GF_NALUMxCtx),
        .args = NALUMxArgs,
        .finalize = nalumx_finalize,
        .initialize = nalumx_initialize,
        SETCAPS(NALUMxCaps),
        .configure_pid = nalumx_configure_pid,
        .process = nalumx_process,
        .hint_class_type = GF_FS_CLASS_FRAMING
}