isom_tools.c File Reference

#include <gpac/internal/media_dev.h>
#include <gpac/constants.h>
#include <gpac/config_file.h>

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Data Structures
struct	SHVCTrackInfo
struct	GF_TrackFragmenter

Functions
GF_Err	gf_media_change_par (GF_ISOFile *file, u32 track, s32 ar_num, s32 ar_den)
GF_Err	gf_media_get_file_hash (const char *file, u8 hash[20])
GF_Err	gf_media_make_isma (GF_ISOFile *mp4file, Bool keepESIDs, Bool keepImage, Bool no_ocr)
GF_Err	gf_media_make_3gpp (GF_ISOFile *mp4file)
GF_Err	gf_media_make_psp (GF_ISOFile *mp4)
GF_ESD *	gf_media_map_esd (GF_ISOFile *mp4, u32 track)
static s32	gf_get_DQId (GF_ISOFile *file, u32 track)
static Bool	gf_isom_has_svc_explicit (GF_ISOFile *file, u32 track)
static u32	gf_isom_get_track_id_max (GF_ISOFile *file)
GF_Err	gf_media_split_svc (GF_ISOFile *file, u32 track, Bool splitAll)
GF_Err	gf_media_merge_svc (GF_ISOFile *file, u32 track, Bool mergeAll)
static GF_HEVCParamArray *	alloc_hevc_param_array (GF_HEVCConfig *hevc_cfg, u8 type)
GF_Err	gf_media_split_shvc (GF_ISOFile *file, u32 track, Bool splitAll, Bool use_extractors)
GF_Err	gf_media_change_pl (GF_ISOFile *file, u32 track, u32 profile, u32 level)
GF_Err	gf_media_split_hevc_tiles (GF_ISOFile *file)
GF_Err	gf_media_fragment_file (GF_ISOFile *input, const char *output_file, Double max_duration_sec)
GF_Err	gf_media_split_tiles (GF_ISOFile *file)

Variables
static const u32	ISMA_VIDEO_OD_ID = 20
static const u32	ISMA_AUDIO_OD_ID = 10
static const u32	ISMA_VIDEO_ES_ID = 201
static const u32	ISMA_AUDIO_ES_ID = 101
static const char	ISMA_BIFS_CONFIG [] = {0x00, 0x00, 0x60 }
static const u8	ISMA_BIFS_AUDIO []
static const u8	ISMA_GF_BIFS_VIDEO []
static const u8	ISMA_BIFS_AV []
static const u8	ISMA_BIFS_IMAGE []
static const u8	ISMA_BIFS_AI []

---

Data Structure Documentation

struct SHVCTrackInfo

Collaboration diagram for SHVCTrackInfo:

Data Fields
u32	track_num
u32	layer_id
GF_HEVCConfig *	shvccfg
GF_BitStream *	bs
u32	data_offset
u32	data_size
u32	temporal_id

struct GF_TrackFragmenter

Collaboration diagram for GF_TrackFragmenter:

Data Fields
u32	TrackID
u32	SampleNum
u32	SampleCount
u32	FragmentLength
u32	OriginalTrack
u32	TimeScale
u32	MediaType
u32	DefaultDuration

Function Documentation

GF_Err gf_media_change_par	(	GF_ISOFile *	file,
		u32	track,
		s32	ar_num,
		s32	ar_den
	)

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GF_Err gf_media_get_file_hash	(	const char *	file,
		u8	hash[20]
	)

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GF_Err gf_media_make_isma	(	GF_ISOFile *	mp4file,
		Bool	keepESIDs,
		Bool	keepImage,
		Bool	no_ocr
	)

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GF_Err gf_media_make_3gpp

(

GF_ISOFile *

mp4file

)

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GF_Err gf_media_make_psp

(

GF_ISOFile *

mp4

)

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GF_ESD* gf_media_map_esd	(	GF_ISOFile *	mp4,
		u32	track
	)

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static s32 gf_get_DQId ( GF_ISOFile *  file, u32  track  )

static

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static Bool gf_isom_has_svc_explicit ( GF_ISOFile *  file, u32  track  )

static

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static u32 gf_isom_get_track_id_max ( GF_ISOFile *  file )

static

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GF_Err gf_media_split_svc	(	GF_ISOFile *	file,
		u32	track,
		Bool	splitAll
	)

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GF_Err gf_media_merge_svc	(	GF_ISOFile *	file,
		u32	track,
		Bool	mergeAll
	)

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static GF_HEVCParamArray* alloc_hevc_param_array ( GF_HEVCConfig *  hevc_cfg, u8  type  )

static

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GF_Err gf_media_split_shvc	(	GF_ISOFile *	file,
		u32	track,
		Bool	splitAll,
		Bool	use_extractors
	)

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GF_Err gf_media_change_pl	(	GF_ISOFile *	file,
		u32	track,
		u32	profile,
		u32	level
	)

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GF_Err gf_media_split_hevc_tiles

(

GF_ISOFile *

file

)

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GF_Err gf_media_fragment_file	(	GF_ISOFile *	input,
		const char *	output_file,
		Double	max_duration_sec
	)

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GF_Err gf_media_split_tiles

(

GF_ISOFile *

file

)

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Variable Documentation

const u32 ISMA_VIDEO_OD_ID = 20

static

const u32 ISMA_AUDIO_OD_ID = 10

static

const u32 ISMA_VIDEO_ES_ID = 201

static

const u32 ISMA_AUDIO_ES_ID = 101

static

const char ISMA_BIFS_CONFIG[] = {0x00, 0x00, 0x60 }

static

const u8 ISMA_BIFS_AUDIO[]

static

Initial value:

=
{
        0xC0, 0x10, 0x12, 0x81, 0x30, 0x2A, 0x05, 0x7C
}

const u8 ISMA_GF_BIFS_VIDEO[]

static

Initial value:

=
{
        0xC0, 0x10, 0x12, 0x60, 0x42, 0x82, 0x28, 0x29,
        0xD0, 0x4F, 0x00
}

const u8 ISMA_BIFS_AV[]

static

Initial value:

=
{
        0xC0, 0x10, 0x12, 0x81, 0x30, 0x2A, 0x05, 0x72,
        0x60, 0x42, 0x82, 0x28, 0x29, 0xD0, 0x4F, 0x00
}

const u8 ISMA_BIFS_IMAGE[]

static

Initial value:

=
{
        0xC0, 0x11, 0xA4, 0xCD, 0x53, 0x6A, 0x0A, 0x44,
        0x13, 0x00
}

const u8 ISMA_BIFS_AI[]

static

Initial value:

=
{
        0xC0, 0x11, 0xA5, 0x02, 0x60, 0x54, 0x0A, 0xE4,
        0xCD, 0x53, 0x6A, 0x0A, 0x44, 0x13, 0x00
}