isom_store.c File Reference

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

Include dependency graph for isom_store.c:

Data Structures
struct	TrackWriter
struct	MovieWriter

Macros
#define	GPAC_ISOM_CPRT_NOTICE   "IsoMedia File Produced with GPAC"
#define	GPAC_ISOM_CPRT_NOTICE_VERSION   GPAC_ISOM_CPRT_NOTICE" "GPAC_VERSION "-rev" GPAC_GIT_REVISION
#define	COMP_BOX_COST_BYTES   8
#define	CMOV_DEFAULT_PAD   20

Functions
static GF_Err	gf_isom_insert_copyright (GF_ISOFile *movie)
void	CleanWriters (GF_List *writers)
GF_Err	ResetWriters (GF_List *writers)
GF_Err	SetupWriters (MovieWriter *mw, GF_List *writers, u8 interleaving)
static void	ShiftMetaOffset (GF_MetaBox *meta, u64 offset)
static GF_Err	shift_chunk_offsets (GF_SampleToChunkBox *stsc, GF_MediaBox *mdia, GF_Box *_stco, u64 offset, Bool force_co64, GF_Box **new_stco)
static GF_Err	ShiftOffset (GF_ISOFile *file, GF_List *writers, u64 offset)
GF_Err	gf_isom_write_compressed_box (GF_ISOFile *mov, GF_Box *root_box, u32 repl_type, GF_BitStream *bs, u32 *box_csize)
static GF_Err	WriteMoovAndMeta (GF_ISOFile *movie, GF_List *writers, GF_BitStream *bs)
u64	GetMoovAndMetaSize (GF_ISOFile *movie, GF_List *writers)
static void	muxer_report_progress (MovieWriter *mw)
GF_Err	WriteSample (MovieWriter *mw, u32 size, u64 offset, u8 isEdited, GF_BitStream *bs, u32 nb_samp)
void	update_writer_constant_dur (GF_ISOFile *movie, TrackWriter *tkw, GF_StscEntry *stsc_ent, u32 *nb_samp, u32 *samp_size, Bool is_flat)
static GF_Err	store_meta_item_sample_ref_offsets (GF_ISOFile *movie, GF_List *writers, GF_MetaBox *meta)
static GF_Err	store_meta_item_references (GF_ISOFile *movie, GF_List *writers, GF_MetaBox *meta)
GF_Err	DoWriteMeta (GF_ISOFile *file, GF_MetaBox *meta, GF_BitStream *bs, Bool Emulation, u64 baseOffset, u64 *mdatSize)
GF_Err	DoWrite (MovieWriter *mw, GF_List *writers, GF_BitStream *bs, u8 Emulation, u64 StartOffset)
static GF_Err	UpdateOffsets (GF_ISOFile *movie, GF_List *writers, Bool use_pad, Bool offset_mdat)
static GF_Err	WriteFlat (MovieWriter *mw, u8 moovFirst, GF_BitStream *bs, Bool non_seekable, Bool for_fragments, GF_BitStream *moov_bs)
GF_Err	DoFullInterleave (MovieWriter *mw, GF_List *writers, GF_BitStream *bs, u8 Emulation, u64 StartOffset)
GF_Err	DoInterleave (MovieWriter *mw, GF_List *writers, GF_BitStream *bs, u8 Emulation, u64 StartOffset, Bool drift_inter)
static GF_Err	write_blank_data (GF_BitStream *bs, u32 size)
static GF_Err	write_free_box (GF_BitStream *bs, u32 size)
static GF_Err	WriteInterleaved (MovieWriter *mw, GF_BitStream *bs, Bool drift_inter)
void	purge_free_boxes (GF_Box *par)
static GF_Err	inplace_shift_moov_meta_offsets (GF_ISOFile *movie, u32 shift_offset)
static GF_Err	inplace_shift_mdat (MovieWriter *mw, u64 *shift_offset, GF_BitStream *bs, Bool moov_first)
static GF_Err	WriteInplace (MovieWriter *mw, GF_BitStream *bs)
GF_Err	isom_on_block_out (void *cbk, u8 *data, u32 block_size)
GF_Err	gf_isom_flush_chunk (GF_TrackBox *trak, Bool is_final)
GF_Err	WriteToFile (GF_ISOFile *movie, Bool for_fragments)

Variables
u32	default_write_buffering_size

---

Data Structure Documentation

TrackWriter

struct TrackWriter

Collaboration diagram for TrackWriter:

Data Fields
GF_FilterPid *	ipid
u32	track_num
u32	track_id
GF_ISOSample	sample
u32	prev_duration
u32	src_timescale
u32	tk_timescale
u32	stream_type
u32	codecid
Bool	is_encrypted
u32	cfg_crc
u32	enh_cfg_crc
u32	dep_id
u32	stsd_idx
u32	clear_stsd_idx
Bool	reused_stsd
Bool	use_dref
Bool	aborted
Bool	suspended
Bool	has_append
Bool	has_ctts
s64	min_neg_ctts
u32	nb_samples
u32	samples_in_stsd
u32	nb_frames_per_sample
u64	ts_shift
u64	si_min_ts_plus_one
Bool	has_subs
Bool	skip_bitrate_update
Bool	has_open_gop
GF_FilterSAPType	gdr_type
u32	media_profile_level
Bool	import_msg_header_done
u32	nal_unit_size
GF_AVCConfig *	avcc
GF_AVCConfig *	svcc
GF_HEVCConfig *	hvcc
GF_HEVCConfig *	lvcc
GF_VVCConfig *	vvcc
u8 *	inband_hdr
u8 *	inband_hdr_non_rap
u32	inband_hdr_size
u32	inband_hdr_non_rap_size
u32	is_nalu
Bool	is_av1
Bool	is_vpx
Bool	fragment_done
s32	ts_delay
s32	negctts_shift
Bool	insert_tfdt
Bool	probe_min_ctts
u64	first_dts_in_seg_plus_one
u64	next_seg_cts
u64	cts_next
s64	tfdt_offset
u32	samples_in_frag
Bool	patch_tfdt
u32	cenc_state
Bool	cenc_subsamples
u32	scheme_type
u32	def_skip_byte_block
u32	def_crypt_byte_block
u32	def_cenc_key_info_crc
const GF_PropertyValue *	cenc_ki
u32	cenc_key_info_crc
u32	constant_IV_size
Bool	cenc_multikey
Bool	cenc_frag_protected
u32	skip_byte_block
u32	crypt_byte_block
Bool	fake_track
Bool	has_brands
Bool	force_inband_inject
u64	dur_in_frag
u32	amr_mode_set
Bool	has_seig
u64	empty_init_dur
u32	raw_audio_bytes_per_sample
u32	raw_samplerate
u64	dts_patch
Bool	is_item
u32	item_id
char	status_type
u32	last_import_pc
u32	nb_frames
u32	frame_offset
u64	down_bytes
u64	down_size
GF_Fraction64	pid_dur
u64	prog_done
u64	prog_total
u32	prev_tid_group
Bool	box_patched
u64	imported_edit_sdur
u64	imported_edit_offset
Bool	force_ctts
Bool	is_hevc_tile_base
Bool	insert_pssh
Bool	wait_sap
u64	min_ts_seek_plus_one
u64	clamp_ts_plus_one
Bool	check_seek_ts
u64	max_cts
u64	min_cts
u32	max_cts_samp_dur
u32	w_or_sr
u32	h_or_ch
u32	pf_or_af
u32	xps_inband
u8 *	dyn_pssh
u32	dyn_pssh_len
Bool	sparse_inject
Bool	is_chap
GF_FilterPacket *	dgl_copy
u32	all_stsd_crc
Bool	has_deps
u32	sampleNumber
u32	timeScale
u64	chunkDur
u32	chunkSize
u32	constant_size
u32	constant_dur
u64	DTSprev
u8	isDone
u64	prev_offset
GF_MediaBox *	mdia
GF_SampleTableBox *	stbl
u32	all_dref_mode
GF_SampleToChunkBox *	stsc
GF_Box *	stco
Bool	prevent_dispatch

MovieWriter

struct MovieWriter

Data Fields
char *	buffer
u32	alloc_size
GF_ISOFile *	movie
u64	total_samples
u64	nb_done

Macro Definition Documentation

GPAC_ISOM_CPRT_NOTICE

#define GPAC_ISOM_CPRT_NOTICE   "IsoMedia File Produced with GPAC"

GPAC_ISOM_CPRT_NOTICE_VERSION

#define GPAC_ISOM_CPRT_NOTICE_VERSION   GPAC_ISOM_CPRT_NOTICE" "GPAC_VERSION "-rev" GPAC_GIT_REVISION

COMP_BOX_COST_BYTES

#define COMP_BOX_COST_BYTES   8

CMOV_DEFAULT_PAD

#define CMOV_DEFAULT_PAD   20

Function Documentation

gf_isom_insert_copyright()

static GF_Err gf_isom_insert_copyright ( GF_ISOFile *  movie )

static

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CleanWriters()

void CleanWriters

(

GF_List *

writers

)

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ResetWriters()

GF_Err ResetWriters

(

GF_List *

writers

)

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SetupWriters()

GF_Err SetupWriters	(	MovieWriter *	mw,
		GF_List *	writers,
		u8	interleaving
	)

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ShiftMetaOffset()

static void ShiftMetaOffset ( GF_MetaBox *  meta, u64  offset  )

static

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shift_chunk_offsets()

static GF_Err shift_chunk_offsets ( GF_SampleToChunkBox *  stsc, GF_MediaBox *  mdia, GF_Box *  _stco, u64  offset, Bool  force_co64, GF_Box **  new_stco  )

static

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ShiftOffset()

static GF_Err ShiftOffset ( GF_ISOFile *  file, GF_List *  writers, u64  offset  )

static

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gf_isom_write_compressed_box()

GF_Err gf_isom_write_compressed_box	(	GF_ISOFile *	mov,
		GF_Box *	root_box,
		u32	repl_type,
		GF_BitStream *	bs,
		u32 *	box_csize
	)

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WriteMoovAndMeta()

static GF_Err WriteMoovAndMeta ( GF_ISOFile *  movie, GF_List *  writers, GF_BitStream *  bs  )

static

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GetMoovAndMetaSize()

u64 GetMoovAndMetaSize	(	GF_ISOFile *	movie,
		GF_List *	writers
	)

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muxer_report_progress()

static void muxer_report_progress ( MovieWriter *  mw )

static

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WriteSample()

GF_Err WriteSample	(	MovieWriter *	mw,
		u32	size,
		u64	offset,
		u8	isEdited,
		GF_BitStream *	bs,
		u32	nb_samp
	)

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update_writer_constant_dur()

void update_writer_constant_dur	(	GF_ISOFile *	movie,
		TrackWriter *	tkw,
		GF_StscEntry *	stsc_ent,
		u32 *	nb_samp,
		u32 *	samp_size,
		Bool	is_flat
	)

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store_meta_item_sample_ref_offsets()

static GF_Err store_meta_item_sample_ref_offsets ( GF_ISOFile *  movie, GF_List *  writers, GF_MetaBox *  meta  )

static

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store_meta_item_references()

static GF_Err store_meta_item_references ( GF_ISOFile *  movie, GF_List *  writers, GF_MetaBox *  meta  )

static

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DoWriteMeta()

GF_Err DoWriteMeta	(	GF_ISOFile *	file,
		GF_MetaBox *	meta,
		GF_BitStream *	bs,
		Bool	Emulation,
		u64	baseOffset,
		u64 *	mdatSize
	)

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DoWrite()

GF_Err DoWrite	(	MovieWriter *	mw,
		GF_List *	writers,
		GF_BitStream *	bs,
		u8	Emulation,
		u64	StartOffset
	)

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UpdateOffsets()

static GF_Err UpdateOffsets ( GF_ISOFile *  movie, GF_List *  writers, Bool  use_pad, Bool  offset_mdat  )

static

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WriteFlat()

static GF_Err WriteFlat ( MovieWriter *  mw, u8  moovFirst, GF_BitStream *  bs, Bool  non_seekable, Bool  for_fragments, GF_BitStream *  moov_bs  )

static

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DoFullInterleave()

GF_Err DoFullInterleave	(	MovieWriter *	mw,
		GF_List *	writers,
		GF_BitStream *	bs,
		u8	Emulation,
		u64	StartOffset
	)

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DoInterleave()

GF_Err DoInterleave	(	MovieWriter *	mw,
		GF_List *	writers,
		GF_BitStream *	bs,
		u8	Emulation,
		u64	StartOffset,
		Bool	drift_inter
	)

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write_blank_data()

static GF_Err write_blank_data ( GF_BitStream *  bs, u32  size  )

static

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write_free_box()

static GF_Err write_free_box ( GF_BitStream *  bs, u32  size  )

static

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WriteInterleaved()

static GF_Err WriteInterleaved ( MovieWriter *  mw, GF_BitStream *  bs, Bool  drift_inter  )

static

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purge_free_boxes()

void purge_free_boxes

(

GF_Box *

par

)

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inplace_shift_moov_meta_offsets()

static GF_Err inplace_shift_moov_meta_offsets ( GF_ISOFile *  movie, u32  shift_offset  )

static

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inplace_shift_mdat()

static GF_Err inplace_shift_mdat ( MovieWriter *  mw, u64 *  shift_offset, GF_BitStream *  bs, Bool  moov_first  )

static

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WriteInplace()

static GF_Err WriteInplace ( MovieWriter *  mw, GF_BitStream *  bs  )

static

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isom_on_block_out()

GF_Err isom_on_block_out	(	void *	cbk,
		u8 *	data,
		u32	block_size
	)

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gf_isom_flush_chunk()

GF_Err gf_isom_flush_chunk	(	GF_TrackBox *	trak,
		Bool	is_final
	)

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WriteToFile()

GF_Err WriteToFile	(	GF_ISOFile *	movie,
		Bool	for_fragments
	)

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Variable Documentation

default_write_buffering_size

u32 default_write_buffering_size

extern