tx3g.c File Reference

#include <gpac/internal/isomedia_dev.h>
#include <gpac/constants.h>

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Macros
#define	SAMPLE_INDEX_OFFSET   129

Functions
GF_Err	gf_isom_update_text_description (GF_ISOFile *movie, u32 trackNumber, u32 descriptionIndex, GF_TextSampleDescriptor *desc)
GF_Err	gf_isom_new_text_description (GF_ISOFile *movie, u32 trackNumber, GF_TextSampleDescriptor *desc, char *URLname, char *URNname, u32 *outDescriptionIndex)
GF_Err	gf_isom_text_add_text (GF_TextSample *samp, char *text_data, u32 text_len)
GF_Err	gf_isom_text_set_utf16_marker (GF_TextSample *samp)
GF_Err	gf_isom_text_add_style (GF_TextSample *samp, GF_StyleRecord *rec)
GF_Err	gf_isom_text_add_highlight (GF_TextSample *samp, u16 start_char, u16 end_char)
GF_Err	gf_isom_text_set_highlight_color (GF_TextSample *samp, u8 r, u8 g, u8 b, u8 a)
GF_Err	gf_isom_text_set_highlight_color_argb (GF_TextSample *samp, u32 argb)
GF_Err	gf_isom_text_add_karaoke (GF_TextSample *samp, u32 start_time)
GF_Err	gf_isom_text_set_karaoke_segment (GF_TextSample *samp, u32 end_time, u16 start_char, u16 end_char)
GF_Err	gf_isom_text_set_scroll_delay (GF_TextSample *samp, u32 scroll_delay)
GF_Err	gf_isom_text_add_hyperlink (GF_TextSample *samp, char *URL, char *altString, u16 start_char, u16 end_char)
GF_Err	gf_isom_text_set_box (GF_TextSample *samp, s16 top, s16 left, s16 bottom, s16 right)
GF_Err	gf_isom_text_add_blink (GF_TextSample *samp, u16 start_char, u16 end_char)
GF_Err	gf_isom_text_set_wrap (GF_TextSample *samp, u8 wrap_flags)
static GF_Err	gpp_write_modifier (GF_BitStream *bs, GF_Box *a)
GF_ISOSample *	gf_isom_text_to_sample (GF_TextSample *samp)
GF_Err	gf_isom_text_has_similar_description (GF_ISOFile *movie, u32 trackNumber, GF_TextSampleDescriptor *desc, u32 *outDescIdx, Bool *same_box, Bool *same_styles)
GF_TextSample *	gf_isom_new_text_sample ()
GF_Err	gf_isom_text_reset_styles (GF_TextSample *samp)
GF_Err	gf_isom_text_reset (GF_TextSample *samp)
void	gf_isom_delete_text_sample (GF_TextSample *tx_samp)
GF_TextSample *	gf_isom_parse_texte_sample (GF_BitStream *bs)
GF_TextSample *	gf_isom_parse_texte_sample_from_data (char *data, u32 dataLength)
static void	gf_isom_write_tx3g (GF_Tx3gSampleEntryBox *a, GF_BitStream *bs, u32 sidx, u32 sidx_offset)
GF_Err	gf_isom_get_ttxt_esd (GF_MediaBox *mdia, GF_ESD **out_esd)
GF_Err	gf_isom_rewrite_text_sample (GF_ISOSample *samp, u32 sampleDescriptionIndex, u32 sample_dur)
GF_Err	gf_isom_text_get_encoded_tx3g (GF_ISOFile *file, u32 track, u32 sidx, u32 sidx_offset, char **tx3g, u32 *tx3g_size)

Macro Definition Documentation

#define SAMPLE_INDEX_OFFSET   129

Function Documentation

GF_Err gf_isom_update_text_description	(	GF_ISOFile *	movie,
		u32	trackNumber,
		u32	descriptionIndex,
		GF_TextSampleDescriptor *	desc
	)

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GF_Err gf_isom_new_text_description	(	GF_ISOFile *	movie,
		u32	trackNumber,
		GF_TextSampleDescriptor *	desc,
		char *	URLname,
		char *	URNname,
		u32 *	outDescriptionIndex
	)

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GF_Err gf_isom_text_add_text	(	GF_TextSample *	samp,
		char *	text_data,
		u32	text_len
	)

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GF_Err gf_isom_text_set_utf16_marker

(

GF_TextSample *

samp

)

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GF_Err gf_isom_text_add_style	(	GF_TextSample *	samp,
		GF_StyleRecord *	rec
	)

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GF_Err gf_isom_text_add_highlight	(	GF_TextSample *	samp,
		u16	start_char,
		u16	end_char
	)

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GF_Err gf_isom_text_set_highlight_color	(	GF_TextSample *	samp,
		u8	r,
		u8	g,
		u8	b,
		u8	a
	)

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GF_Err gf_isom_text_set_highlight_color_argb	(	GF_TextSample *	samp,
		u32	argb
	)

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GF_Err gf_isom_text_add_karaoke	(	GF_TextSample *	samp,
		u32	start_time
	)

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GF_Err gf_isom_text_set_karaoke_segment	(	GF_TextSample *	samp,
		u32	end_time,
		u16	start_char,
		u16	end_char
	)

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GF_Err gf_isom_text_set_scroll_delay	(	GF_TextSample *	samp,
		u32	scroll_delay
	)

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GF_Err gf_isom_text_add_hyperlink	(	GF_TextSample *	samp,
		char *	URL,
		char *	altString,
		u16	start_char,
		u16	end_char
	)

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GF_Err gf_isom_text_set_box	(	GF_TextSample *	samp,
		s16	top,
		s16	left,
		s16	bottom,
		s16	right
	)

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GF_Err gf_isom_text_add_blink	(	GF_TextSample *	samp,
		u16	start_char,
		u16	end_char
	)

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GF_Err gf_isom_text_set_wrap	(	GF_TextSample *	samp,
		u8	wrap_flags
	)

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static GF_Err gpp_write_modifier ( GF_BitStream *  bs, GF_Box *  a  )

static

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GF_ISOSample* gf_isom_text_to_sample

(

GF_TextSample *

samp

)

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GF_Err gf_isom_text_has_similar_description	(	GF_ISOFile *	movie,
		u32	trackNumber,
		GF_TextSampleDescriptor *	desc,
		u32 *	outDescIdx,
		Bool *	same_box,
		Bool *	same_styles
	)

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GF_TextSample* gf_isom_new_text_sample

(

)

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GF_Err gf_isom_text_reset_styles

(

GF_TextSample *

samp

)

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GF_Err gf_isom_text_reset

(

GF_TextSample *

samp

)

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void gf_isom_delete_text_sample

(

GF_TextSample *

tx_samp

)

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GF_TextSample* gf_isom_parse_texte_sample

(

GF_BitStream *

bs

)

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GF_TextSample* gf_isom_parse_texte_sample_from_data	(	char *	data,
		u32	dataLength
	)

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static void gf_isom_write_tx3g ( GF_Tx3gSampleEntryBox *  a, GF_BitStream *  bs, u32  sidx, u32  sidx_offset  )

static

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GF_Err gf_isom_get_ttxt_esd	(	GF_MediaBox *	mdia,
		GF_ESD **	out_esd
	)

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GF_Err gf_isom_rewrite_text_sample	(	GF_ISOSample *	samp,
		u32	sampleDescriptionIndex,
		u32	sample_dur
	)

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GF_Err gf_isom_text_get_encoded_tx3g	(	GF_ISOFile *	file,
		u32	track,
		u32	sidx,
		u32	sidx_offset,
		char **	tx3g,
		u32 *	tx3g_size
	)

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