dmx_nhnt.c File Reference

#include <gpac/filters.h>
#include <gpac/constants.h>
#include <gpac/thread.h>
#include <gpac/list.h>
#include <gpac/bitstream.h>
#include <gpac/avparse.h>

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Data Structures
struct	NHNTIdx
struct	GF_NHNTDmxCtx

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

Enumerations
enum	{ GF_MEDIA_TYPE_NHNL = GF_4CC('N','H','n','l') , GF_MEDIA_TYPE_NHNT = GF_4CC('N','H','n','t') }

Functions
static void	nhntdmx_check_dur (GF_NHNTDmxCtx *ctx)
GF_Err	nhntdmx_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static Bool	nhntdmx_process_event (GF_Filter *filter, const GF_FilterEvent *evt)
GF_Err	nhntdmx_process (GF_Filter *filter)
GF_Err	nhntdmx_initialize (GF_Filter *filter)
void	nhntdmx_finalize (GF_Filter *filter)
const GF_FilterRegister *	nhntr_register (GF_FilterSession *session)

Variables
static const GF_FilterArgs	GF_NHNTDmxArgs []
static const GF_FilterCapability	NHNTDmxCaps []
GF_FilterRegister	NHNTDmxRegister

---

Data Structure Documentation

NHNTIdx

struct NHNTIdx

Data Fields
u64	pos
Double	duration

GF_NHNTDmxCtx

struct GF_NHNTDmxCtx

Collaboration diagram for GF_NHNTDmxCtx:

Data Fields
Bool	reframe
Double	index
GF_FilterPid *	ipid
GF_FilterPid *	opid
Double	start_range
u64	first_dts
Bool	is_playing
GF_Fraction64	duration
Bool	need_reassign
Bool	in_seek
Bool	initial_play_done
Bool	header_parsed
u32	sig
u32	timescale
FILE *	mdia
GF_BitStream *	bs
NHNTIdx *	indexes
u32	index_alloc_size
u32	index_size
GF_Err	in_error

Macro Definition Documentation

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_NHNTDmxCtx, _n)

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
GF_MEDIA_TYPE_NHNL
GF_MEDIA_TYPE_NHNT

Function Documentation

nhntdmx_check_dur()

static void nhntdmx_check_dur ( GF_NHNTDmxCtx *  ctx )

static

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nhntdmx_configure_pid()

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

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nhntdmx_process_event()

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

static

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nhntdmx_process()

GF_Err nhntdmx_process

(

GF_Filter *

filter

)

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nhntdmx_initialize()

GF_Err nhntdmx_initialize

(

GF_Filter *

filter

)

nhntdmx_finalize()

void nhntdmx_finalize

(

GF_Filter *

filter

)

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nhntr_register()

const GF_FilterRegister * nhntr_register

(

GF_FilterSession *

session

)

Variable Documentation

GF_NHNTDmxArgs

const GF_FilterArgs GF_NHNTDmxArgs[]

static

Initial value:

=
{
        { OFFS(reframe), "force re-parsing of referenced content", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(index), "indexing window length", GF_PROP_DOUBLE, "1.0", NULL, 0},
        {0}
}

NHNTDmxCaps

const GF_FilterCapability NHNTDmxCaps[]

static

Initial value:

=
{
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_FILE_EXT, "nhnt"),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_MIME, "application/x-nhnt"),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_VISUAL),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_SCENE),
}

NHNTDmxRegister

GF_FilterRegister NHNTDmxRegister

Initial value:

= {
        .name = "nhntr",
 
        GF_FS_SET_HELP("This filter reads NHNT files/data to produce a media PID and frames.\n"
        "NHNT documentation is available at https://wiki.gpac.io/xmlformats/NHNT-Format\n")
        .private_size = sizeof(GF_NHNTDmxCtx),
        .flags = GF_FS_REG_USE_SYNC_READ,
        .args = GF_NHNTDmxArgs,
        .initialize = nhntdmx_initialize,
        .finalize = nhntdmx_finalize,
        SETCAPS(NHNTDmxCaps),
        .configure_pid = nhntdmx_configure_pid,
        .process = nhntdmx_process,
        .process_event = nhntdmx_process_event,
        .hint_class_type = GF_FS_CLASS_TOOL
}