write_tx3g.c File Reference

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

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Data Structures
struct	TX3GMxCtx

Macros
#define	TTML_NAMESPACE   "http://www.w3.org/ns/ttml"
#define	OFFS(_n)   #_n, offsetof(TX3GMxCtx, _n)

Functions
static void	tx3gmx_write_config (TX3GMxCtx *ctx)
GF_Err	tx3gmx_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
void	dump_ttxt_header (FILE *dump, GF_Tx3gSampleEntryBox *txt_e, u32 def_width, u32 def_height)
static void	tx3gmx_get_stsd (GF_TextSampleDescriptor *ent, GF_Tx3gSampleEntryBox *samp_ent, GF_FontTableBox *font_ent)
void	dump_ttxt_sample (FILE *dump, GF_TextSample *s_txt, u64 ts, u32 timescale, u32 di, Bool box_dump)
char *	tx3g_format_time (u64 ts, u32 timescale, char *szDur, Bool is_srt)
GF_Err	dump_ttxt_sample_srt (FILE *dump, GF_TextSample *txt, GF_Tx3gSampleEntryBox *txtd, Bool vtt_dump)
static GF_Err	dump_ttxt_sample_ttml (TX3GMxCtx *ctx, FILE *dump, GF_TextSample *txt, GF_Tx3gSampleEntryBox *txtd, u64 start_ts, u64 end_ts)
GF_Err	tx3gmx_process (GF_Filter *filter)
static GF_Err	tx3gmx_initialize (GF_Filter *filter)
static void	tx3gmx_finalize (GF_Filter *filter)
const GF_FilterRegister *	ufttxt_register (GF_FilterSession *session)
static GF_Err	tx3g2srt_initialize (GF_Filter *filter)
const GF_FilterRegister *	tx3g2srt_register (GF_FilterSession *session)
static GF_Err	tx3g2vtt_initialize (GF_Filter *filter)
const GF_FilterRegister *	tx3g2vtt_register (GF_FilterSession *session)
static GF_Err	tx3g2ttml_initialize (GF_Filter *filter)
const GF_FilterRegister *	tx3g2ttml_register (GF_FilterSession *session)

Variables
static const GF_FilterCapability	TX3GMxCaps []
static const GF_FilterArgs	TX3GMxArgs []
GF_FilterRegister	TTXTMxRegister
static const GF_FilterCapability	TX3G2SRTCaps []
GF_FilterRegister	TX3G2SRTRegister
static const GF_FilterCapability	TX3G2VTTCaps []
GF_FilterRegister	TTX2VTTRegister
static const GF_FilterCapability	TX3G2TTMLCaps []
GF_FilterRegister	TX3G2TTMLRegister

---

Data Structure Documentation

TX3GMxCtx

struct TX3GMxCtx

Collaboration diagram for TX3GMxCtx:

Data Fields
Bool	exporter
Bool	merge
GF_FilterPid *	ipid
GF_FilterPid *	opid
GF_BitStream *	bs_r
u32	codecid
GF_Fraction64	duration
s64	delay
GF_TextConfig *	cfg
u32	dsi_crc
Bool	is_tx3g
u32	dump_type
u32	cur_frame

Macro Definition Documentation

TTML_NAMESPACE

#define TTML_NAMESPACE   "http://www.w3.org/ns/ttml"

OFFS

#define OFFS

(

_n

)

#_n, offsetof(TX3GMxCtx, _n)

Function Documentation

tx3gmx_write_config()

static void tx3gmx_write_config ( TX3GMxCtx *  ctx )

static

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tx3gmx_configure_pid()

GF_Err tx3gmx_configure_pid	(	GF_Filter *	filter,
		GF_FilterPid *	pid,
		Bool	is_remove
	)

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dump_ttxt_header()

void dump_ttxt_header	(	FILE *	dump,
		GF_Tx3gSampleEntryBox *	txt_e,
		u32	def_width,
		u32	def_height
	)

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tx3gmx_get_stsd()

static void tx3gmx_get_stsd ( GF_TextSampleDescriptor *  ent, GF_Tx3gSampleEntryBox *  samp_ent, GF_FontTableBox *  font_ent  )

static

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dump_ttxt_sample()

void dump_ttxt_sample	(	FILE *	dump,
		GF_TextSample *	s_txt,
		u64	ts,
		u32	timescale,
		u32	di,
		Bool	box_dump
	)

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tx3g_format_time()

char* tx3g_format_time	(	u64	ts,
		u32	timescale,
		char *	szDur,
		Bool	is_srt
	)

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dump_ttxt_sample_srt()

GF_Err dump_ttxt_sample_srt	(	FILE *	dump,
		GF_TextSample *	txt,
		GF_Tx3gSampleEntryBox *	txtd,
		Bool	vtt_dump
	)

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dump_ttxt_sample_ttml()

static GF_Err dump_ttxt_sample_ttml ( TX3GMxCtx *  ctx, FILE *  dump, GF_TextSample *  txt, GF_Tx3gSampleEntryBox *  txtd, u64  start_ts, u64  end_ts  )

static

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tx3gmx_process()

GF_Err tx3gmx_process

(

GF_Filter *

filter

)

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tx3gmx_initialize()

static GF_Err tx3gmx_initialize ( GF_Filter *  filter )

static

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tx3gmx_finalize()

static void tx3gmx_finalize ( GF_Filter *  filter )

static

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ufttxt_register()

const GF_FilterRegister* ufttxt_register

(

GF_FilterSession *

session

)

tx3g2srt_initialize()

static GF_Err tx3g2srt_initialize ( GF_Filter *  filter )

static

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tx3g2srt_register()

const GF_FilterRegister* tx3g2srt_register

(

GF_FilterSession *

session

)

tx3g2vtt_initialize()

static GF_Err tx3g2vtt_initialize ( GF_Filter *  filter )

static

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tx3g2vtt_register()

const GF_FilterRegister* tx3g2vtt_register

(

GF_FilterSession *

session

)

tx3g2ttml_initialize()

static GF_Err tx3g2ttml_initialize ( GF_Filter *  filter )

static

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tx3g2ttml_register()

const GF_FilterRegister* tx3g2ttml_register

(

GF_FilterSession *

session

)

Variable Documentation

TX3GMxCaps

const GF_FilterCapability TX3GMxCaps[]

static

Initial value:

=
{
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_STREAM_TYPE, GF_STREAM_TEXT),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_TX3G),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_TEXT_MPEG4),
        CAP_BOOL(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_TEXT),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_CODECID, GF_CODECID_TX3G),
        CAP_BOOL(GF_CAPS_OUTPUT, GF_PROP_PID_UNFRAMED, GF_TRUE),
        {0},
}

TX3GMxArgs

const GF_FilterArgs TX3GMxArgs[]

static

Initial value:

=
{
        { OFFS(exporter), "compatibility with old exporter, displays export results", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_ADVANCED},
        {0}
}

TTXTMxRegister

GF_FilterRegister TTXTMxRegister

Initial value:

= {
        .name = "ufttxt",
 
 
        .private_size = sizeof(TX3GMxCtx),
        .args = TX3GMxArgs,
        .initialize = tx3gmx_initialize,
        .finalize = tx3gmx_finalize,
        SETCAPS(TX3GMxCaps),
        .configure_pid = tx3gmx_configure_pid,
        .process = tx3gmx_process,
        .hint_class_type = GF_FS_CLASS_FRAMING
}

TX3G2SRTCaps

const GF_FilterCapability TX3G2SRTCaps[]

static

Initial value:

=
{
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_STREAM_TYPE, GF_STREAM_TEXT),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_TX3G),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_TEXT_MPEG4),
        CAP_BOOL(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_TEXT),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_CODECID, GF_CODECID_SIMPLE_TEXT),
        CAP_BOOL(GF_CAPS_OUTPUT, GF_PROP_PID_UNFRAMED, GF_TRUE),
        {0},
}

TX3G2SRTRegister

GF_FilterRegister TX3G2SRTRegister

Initial value:

= {
        .name = "tx3g2srt",
 
 
        .private_size = sizeof(TX3GMxCtx),
        .args = TX3GMxArgs,
        .initialize = tx3g2srt_initialize,
        .finalize = tx3gmx_finalize,
        SETCAPS(TX3G2SRTCaps),
        .configure_pid = tx3gmx_configure_pid,
        .process = tx3gmx_process,
        .hint_class_type = GF_FS_CLASS_SUBTITLE
}

TX3G2VTTCaps

const GF_FilterCapability TX3G2VTTCaps[]

static

Initial value:

=
{
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_STREAM_TYPE, GF_STREAM_TEXT),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_TX3G),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_TEXT_MPEG4),
        CAP_BOOL(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_TEXT),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_CODECID, GF_CODECID_WEBVTT),
        CAP_BOOL(GF_CAPS_OUTPUT, GF_PROP_PID_UNFRAMED, GF_TRUE),
        {0},
}

TTX2VTTRegister

GF_FilterRegister TTX2VTTRegister

Initial value:

= {
        .name = "tx3g2vtt",
 
 
        .private_size = sizeof(TX3GMxCtx),
        .args = TX3GMxArgs,
        .initialize = tx3g2vtt_initialize,
        .finalize = tx3gmx_finalize,
        SETCAPS(TX3G2VTTCaps),
        .configure_pid = tx3gmx_configure_pid,
        .process = tx3gmx_process,
        .hint_class_type = GF_FS_CLASS_SUBTITLE
}

TX3G2TTMLCaps

const GF_FilterCapability TX3G2TTMLCaps[]

static

Initial value:

=
{
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_STREAM_TYPE, GF_STREAM_TEXT),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_TX3G),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_TEXT_MPEG4),
        CAP_BOOL(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_TEXT),
        CAP_UINT(GF_CAPS_OUTPUT,GF_PROP_PID_CODECID, GF_CODECID_SUBS_XML),
        {0},
}

TX3G2TTMLRegister

GF_FilterRegister TX3G2TTMLRegister

Initial value:

= {
        .name = "tx3g2ttml",
 
        GF_FS_SET_HELP("This filter converts ISOBMFF TX3G stream to a TTML stream.\n"
        "\n"
        "Each output TTML frame is a complete TTML document.")
        .private_size = sizeof(TX3GMxCtx),
        .args = NULL,
        .initialize = tx3g2ttml_initialize,
        .finalize = tx3gmx_finalize,
        SETCAPS(TX3G2TTMLCaps),
        .configure_pid = tx3gmx_configure_pid,
        .process = tx3gmx_process,
        .hint_class_type = GF_FS_CLASS_SUBTITLE
}