movie_fragments.c File Reference

#include <gpac/internal/isomedia_dev.h>

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Data Structures
struct	SIDXEntry

Functions
GF_TrackExtendsBox *	GetTrex (GF_MovieBox *moov, u32 TrackID)
GF_TrackFragmentBox *	GetTraf (GF_ISOFile *mov, u32 TrackID)
GF_Err	gf_isom_set_movie_duration (GF_ISOFile *movie, u64 duration)
GF_Err	gf_isom_finalize_for_fragment (GF_ISOFile *movie, u32 media_segment_type)
GF_Err	gf_isom_change_track_fragment_defaults (GF_ISOFile *movie, u32 TrackID, u32 DefaultSampleDescriptionIndex, u32 DefaultSampleDuration, u32 DefaultSampleSize, u8 DefaultSampleIsSync, u8 DefaultSamplePadding, u16 DefaultDegradationPriority)
GF_Err	gf_isom_setup_track_fragment (GF_ISOFile *movie, u32 TrackID, u32 DefaultSampleDescriptionIndex, u32 DefaultSampleDuration, u32 DefaultSampleSize, u8 DefaultSampleIsSync, u8 DefaultSamplePadding, u16 DefaultDegradationPriority)
u32	GetNumUsedValues (GF_TrackFragmentBox *traf, u32 value, u32 index)
void	ComputeFragmentDefaults (GF_TrackFragmentBox *traf)
GF_Err	gf_isom_set_fragment_option (GF_ISOFile *movie, u32 TrackID, u32 Code, u32 Param)
void	update_trun_offsets (GF_ISOFile *movie, s32 offset)
u32	UpdateRuns (GF_ISOFile *movie, GF_TrackFragmentBox *traf)
static u32	moof_get_sap_info (GF_MovieFragmentBox *moof, u32 refTrackID, u32 *sap_delta, Bool *starts_with_sap)
u32	moof_get_duration (GF_MovieFragmentBox *moof, u32 refTrackID)
u32	moof_get_earliest_cts (GF_MovieFragmentBox *moof, u32 refTrackID)
GF_Err	StoreFragment (GF_ISOFile *movie, Bool load_mdat_only, s32 data_offset_diff, u32 *moof_size)
static GF_Err	sidx_rewrite (GF_SegmentIndexBox *sidx, GF_BitStream *bs, u64 start_pos)
GF_Err	gf_isom_allocate_sidx (GF_ISOFile *movie, s32 subsegs_per_sidx, Bool daisy_chain_sidx, u32 nb_segs, u32 *frags_per_segment, u32 *start_range, u32 *end_range)
static GF_Err	gf_isom_write_styp (GF_ISOFile *movie, Bool last_segment)
GF_Err	gf_isom_flush_fragments (GF_ISOFile *movie, Bool last_segment)
static u64	get_presentation_time (u64 media_time, s32 ts_shift)
GF_Err	gf_isom_close_segment (GF_ISOFile *movie, s32 subsegments_per_sidx, u32 referenceTrackID, u64 ref_track_decode_time, s32 ts_shift, u64 ref_track_next_cts, Bool daisy_chain_sidx, Bool last_segment, u32 segment_marker_4cc, u64 *index_start_range, u64 *index_end_range)
GF_Err	gf_isom_close_fragments (GF_ISOFile *movie)
GF_Err	gf_isom_start_segment (GF_ISOFile *movie, char *SegName, Bool memory_mode)
GF_Err	gf_isom_set_fragment_reference_time (GF_ISOFile *movie, u32 reference_track_ID, u64 ntp, u64 timestamp)
GF_Err	gf_isom_start_fragment (GF_ISOFile *movie, Bool moof_first)
GF_Err	gf_isom_clone_pssh (GF_ISOFile *output, GF_ISOFile *input, Bool in_moof)
u32	GetRunSize (GF_TrackFragmentRunBox *trun)
GF_Err	gf_isom_fragment_add_sample (GF_ISOFile *movie, u32 TrackID, GF_ISOSample *sample, u32 DescIndex, u32 Duration, u8 PaddingBits, u16 DegradationPriority, Bool redundant_coding)
GF_Err	gf_isom_fragment_add_sai (GF_ISOFile *output, GF_ISOFile *input, u32 TrackID, u32 SampleNum)
GF_Err	gf_isom_fragment_append_data (GF_ISOFile *movie, u32 TrackID, char *data, u32 data_size, u8 PaddingBits)
GF_Err	gf_isom_fragment_add_subsample (GF_ISOFile *movie, u32 TrackID, u32 subSampleSize, u8 priority, u32 reserved, Bool discardable)
GF_Err	gf_isom_fragment_copy_subsample (GF_ISOFile *dest, u32 TrackID, GF_ISOFile *orig, u32 track, u32 sampleNumber)
u32	gf_isom_is_track_fragmented (GF_ISOFile *movie, u32 TrackID)
u32	gf_isom_is_fragmented (GF_ISOFile *movie)
GF_Err	gf_isom_set_traf_base_media_decode_time (GF_ISOFile *movie, u32 TrackID, u64 decode_time)
void	gf_isom_set_next_moof_number (GF_ISOFile *movie, u32 value)
u32	gf_isom_get_next_moof_number (GF_ISOFile *movie)

---

Data Structure Documentation

struct SIDXEntry

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Data Fields
GF_SegmentIndexBox *	sidx
u64	start_offset
u64	end_offset

Function Documentation

GF_TrackExtendsBox* GetTrex	(	GF_MovieBox *	moov,
		u32	TrackID
	)

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GF_TrackFragmentBox* GetTraf	(	GF_ISOFile *	mov,
		u32	TrackID
	)

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GF_Err gf_isom_set_movie_duration	(	GF_ISOFile *	movie,
		u64	duration
	)

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GF_Err gf_isom_finalize_for_fragment	(	GF_ISOFile *	movie,
		u32	media_segment_type
	)

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GF_Err gf_isom_change_track_fragment_defaults	(	GF_ISOFile *	movie,
		u32	TrackID,
		u32	DefaultSampleDescriptionIndex,
		u32	DefaultSampleDuration,
		u32	DefaultSampleSize,
		u8	DefaultSampleIsSync,
		u8	DefaultSamplePadding,
		u16	DefaultDegradationPriority
	)

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GF_Err gf_isom_setup_track_fragment	(	GF_ISOFile *	movie,
		u32	TrackID,
		u32	DefaultSampleDescriptionIndex,
		u32	DefaultSampleDuration,
		u32	DefaultSampleSize,
		u8	DefaultSampleIsSync,
		u8	DefaultSamplePadding,
		u16	DefaultDegradationPriority
	)

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u32 GetNumUsedValues	(	GF_TrackFragmentBox *	traf,
		u32	value,
		u32	index
	)

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void ComputeFragmentDefaults

(

GF_TrackFragmentBox *

traf

)

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GF_Err gf_isom_set_fragment_option	(	GF_ISOFile *	movie,
		u32	TrackID,
		u32	Code,
		u32	Param
	)

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void update_trun_offsets	(	GF_ISOFile *	movie,
		s32	offset
	)

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u32 UpdateRuns	(	GF_ISOFile *	movie,
		GF_TrackFragmentBox *	traf
	)

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static u32 moof_get_sap_info ( GF_MovieFragmentBox *  moof, u32  refTrackID, u32 *  sap_delta, Bool *  starts_with_sap  )

static

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u32 moof_get_duration	(	GF_MovieFragmentBox *	moof,
		u32	refTrackID
	)

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u32 moof_get_earliest_cts	(	GF_MovieFragmentBox *	moof,
		u32	refTrackID
	)

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GF_Err StoreFragment	(	GF_ISOFile *	movie,
		Bool	load_mdat_only,
		s32	data_offset_diff,
		u32 *	moof_size
	)

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static GF_Err sidx_rewrite ( GF_SegmentIndexBox *  sidx, GF_BitStream *  bs, u64  start_pos  )

static

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GF_Err gf_isom_allocate_sidx	(	GF_ISOFile *	movie,
		s32	subsegs_per_sidx,
		Bool	daisy_chain_sidx,
		u32	nb_segs,
		u32 *	frags_per_segment,
		u32 *	start_range,
		u32 *	end_range
	)

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static GF_Err gf_isom_write_styp ( GF_ISOFile *  movie, Bool  last_segment  )

static

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GF_Err gf_isom_flush_fragments	(	GF_ISOFile *	movie,
		Bool	last_segment
	)

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static u64 get_presentation_time ( u64  media_time, s32  ts_shift  )

static

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GF_Err gf_isom_close_segment	(	GF_ISOFile *	movie,
		s32	subsegments_per_sidx,
		u32	referenceTrackID,
		u64	ref_track_decode_time,
		s32	ts_shift,
		u64	ref_track_next_cts,
		Bool	daisy_chain_sidx,
		Bool	last_segment,
		u32	segment_marker_4cc,
		u64 *	index_start_range,
		u64 *	index_end_range
	)

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GF_Err gf_isom_close_fragments

(

GF_ISOFile *

movie

)

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GF_Err gf_isom_start_segment	(	GF_ISOFile *	movie,
		char *	SegName,
		Bool	memory_mode
	)

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GF_Err gf_isom_set_fragment_reference_time	(	GF_ISOFile *	movie,
		u32	reference_track_ID,
		u64	ntp,
		u64	timestamp
	)

GF_Err gf_isom_start_fragment	(	GF_ISOFile *	movie,
		Bool	moof_first
	)

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GF_Err gf_isom_clone_pssh	(	GF_ISOFile *	output,
		GF_ISOFile *	input,
		Bool	in_moof
	)

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u32 GetRunSize

(

GF_TrackFragmentRunBox *

trun

)

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GF_Err gf_isom_fragment_add_sample	(	GF_ISOFile *	movie,
		u32	TrackID,
		GF_ISOSample *	sample,
		u32	DescIndex,
		u32	Duration,
		u8	PaddingBits,
		u16	DegradationPriority,
		Bool	redundant_coding
	)

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GF_Err gf_isom_fragment_add_sai	(	GF_ISOFile *	output,
		GF_ISOFile *	input,
		u32	TrackID,
		u32	SampleNum
	)

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GF_Err gf_isom_fragment_append_data	(	GF_ISOFile *	movie,
		u32	TrackID,
		char *	data,
		u32	data_size,
		u8	PaddingBits
	)

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GF_Err gf_isom_fragment_add_subsample	(	GF_ISOFile *	movie,
		u32	TrackID,
		u32	subSampleSize,
		u8	priority,
		u32	reserved,
		Bool	discardable
	)

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GF_Err gf_isom_fragment_copy_subsample	(	GF_ISOFile *	dest,
		u32	TrackID,
		GF_ISOFile *	orig,
		u32	track,
		u32	sampleNumber
	)

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u32 gf_isom_is_track_fragmented	(	GF_ISOFile *	movie,
		u32	TrackID
	)

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u32 gf_isom_is_fragmented

(

GF_ISOFile *

movie

)

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GF_Err gf_isom_set_traf_base_media_decode_time	(	GF_ISOFile *	movie,
		u32	TrackID,
		u64	decode_time
	)

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void gf_isom_set_next_moof_number	(	GF_ISOFile *	movie,
		u32	value
	)

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u32 gf_isom_get_next_moof_number

(

GF_ISOFile *

movie

)

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