write_vtt.c File Reference

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

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Data Structures
struct	GF_WebVTTMxCtx

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

Functions
static void	vttmx_write_cue (void *ctx, GF_WebVTTCue *cue)
GF_Err	vttmx_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
void	webvtt_write_cue (GF_WebVTTMxCtx *ctx, GF_WebVTTCue *cue, Bool write_srt)
void	vttmx_parser_flush (GF_WebVTTMxCtx *ctx)
static void	vttmx_flush_segment (GF_WebVTTMxCtx *ctx)
GF_Err	vttmx_process (GF_Filter *filter)
static void	vttmx_finalize (GF_Filter *filter)
const GF_FilterRegister *	ufvtt_register (GF_FilterSession *session)

Variables
static const GF_FilterCapability	WebVTTMxCaps []
static const GF_FilterArgs	WebVTTMxArgs []
GF_FilterRegister	WebVTTMxRegister

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Data Structure Documentation

GF_WebVTTMxCtx

struct GF_WebVTTMxCtx

Collaboration diagram for GF_WebVTTMxCtx:

Data Fields
Bool	exporter
Bool	merge_cues
Bool	noempty
GF_FilterPid *	ipid
GF_FilterPid *	opid
u32	codecid
u32	timescale
GF_Fraction64	duration
s64	delay
u8 *	cues_buffer
u32	cues_buffer_size
GF_WebVTTParser *	parser
GF_FilterPacket *	src_pck
Bool	dash_mode
Bool	first
u32	seg_pck_in
u32	seg_pck_out

Macro Definition Documentation

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_WebVTTMxCtx, _n)

Function Documentation

vttmx_write_cue()

static void vttmx_write_cue ( void *  ctx, GF_WebVTTCue *  cue  )

static

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vttmx_configure_pid()

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

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webvtt_write_cue()

void webvtt_write_cue	(	GF_WebVTTMxCtx *	ctx,
		GF_WebVTTCue *	cue,
		Bool	write_srt
	)

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vttmx_parser_flush()

void vttmx_parser_flush

(

GF_WebVTTMxCtx *

ctx

)

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vttmx_flush_segment()

static void vttmx_flush_segment ( GF_WebVTTMxCtx *  ctx )

static

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vttmx_process()

GF_Err vttmx_process

(

GF_Filter *

filter

)

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vttmx_finalize()

static void vttmx_finalize ( GF_Filter *  filter )

static

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ufvtt_register()

const GF_FilterRegister* ufvtt_register

(

GF_FilterSession *

session

)

Variable Documentation

WebVTTMxCaps

const GF_FilterCapability WebVTTMxCaps[]

static

Initial value:

=
{
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,GF_PROP_PID_STREAM_TYPE, GF_STREAM_TEXT),
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,GF_PROP_PID_CODECID, GF_CODECID_WEBVTT),
        CAP_BOOL(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
        CAP_BOOL(GF_CAPS_OUTPUT, GF_PROP_PID_UNFRAMED, GF_TRUE),
}

WebVTTMxArgs

const GF_FilterArgs WebVTTMxArgs[]

static

Initial value:

=
{
        { OFFS(exporter), "compatibility with old exporter, displays export results", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(merge_cues), "merge VTT cues (undo ISOBMFF cue split)", GF_PROP_BOOL, "true", NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(noempty), "do not create an empty file if no VTT cues are present", GF_PROP_BOOL, "true", NULL, GF_FS_ARG_HINT_ADVANCED},
        {0}
}

WebVTTMxRegister

GF_FilterRegister WebVTTMxRegister

Initial value:

= {
        .name = "ufvtt",
 
 
        .private_size = sizeof(GF_WebVTTMxCtx),
        .args = WebVTTMxArgs,
        .finalize = vttmx_finalize,
        SETCAPS(WebVTTMxCaps),
        .configure_pid = vttmx_configure_pid,
        .process = vttmx_process,
        .hint_class_type = GF_FS_CLASS_FRAMING
}