isom_tools.c File Reference

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

Include dependency graph for isom_tools.c:

Data Structures
struct	LInfo
struct	LHVCTrackInfo
struct	HEVCTileImport
struct	FragCallback

Functions
GF_EXPORT GF_Err	gf_media_change_par (GF_ISOFile *file, u32 track, s32 ar_num, s32 ar_den, Bool force_par, Bool rewrite_bs)
GF_EXPORT GF_Err	gf_media_change_color (GF_ISOFile *file, u32 track, s32 fullrange, s32 vidformat, s32 colorprim, s32 transfer, s32 colmatrix)
GF_EXPORT GF_Err	gf_media_remove_non_rap (GF_ISOFile *file, u32 track, Bool non_ref_only)
GF_EXPORT GF_Err	gf_media_get_file_hash (const char *file, u8 hash[20])
GF_EXPORT GF_Err	gf_media_make_isma (GF_ISOFile *mp4file, Bool keepESIDs, Bool keepImage, Bool no_ocr)
GF_EXPORT GF_Err	gf_media_make_3gpp (GF_ISOFile *mp4file)
GF_EXPORT GF_Err	gf_media_make_psp (GF_ISOFile *mp4)
GF_Err	gf_media_get_color_info (GF_ISOFile *file, u32 track, u32 sampleDescriptionIndex, u32 *colour_type, u16 *colour_primaries, u16 *transfer_characteristics, u16 *matrix_coefficients, Bool *full_range_flag)
GF_Err	gf_isom_set_meta_qt (GF_ISOFile *file)
GF_EXPORT GF_Err	gf_media_check_qt_prores (GF_ISOFile *mp4)
GF_EXPORT GF_ESD *	gf_media_map_esd (GF_ISOFile *mp4, u32 track, u32 stsd_idx)
GF_EXPORT GF_ESD *	gf_media_map_item_esd (GF_ISOFile *mp4, u32 item_id)
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_EXPORT GF_Err	gf_media_split_svc (GF_ISOFile *file, u32 track, Bool splitAll)
GF_EXPORT GF_Err	gf_media_merge_svc (GF_ISOFile *file, u32 track, Bool mergeAll)
static GF_NALUFFParamArray *	alloc_hevc_param_array (GF_HEVCConfig *hevc_cfg, u8 type)
GF_EXPORT GF_Err	gf_media_filter_hevc (GF_ISOFile *file, u32 track, u8 max_temporal_id_plus_one, u8 max_layer_id_plus_one)
GF_EXPORT GF_Err	gf_media_split_lhvc (GF_ISOFile *file, u32 track, Bool for_temporal_sublayers, Bool splitAll, GF_LHVCExtractoreMode extractor_mode)
GF_EXPORT GF_Err	gf_media_change_pl (GF_ISOFile *file, u32 track, u32 profile, u32 compat, u32 level)
	GPAC_DISABLE_AV_PARSERS.
u32	hevc_get_tile_id (HEVCState *hevc, u32 *tile_x, u32 *tile_y, u32 *tile_width, u32 *tile_height)
static void	hevc_add_trif (GF_ISOFile *file, u32 track, u32 id, Bool full_picture, u32 independent, Bool filtering_disable, u32 tx, u32 ty, u32 tw, u32 th, Bool is_default)
GF_EXPORT GF_Err	gf_media_split_hevc_tiles (GF_ISOFile *file, u32 signal_mode)
static Bool	on_frag_event (void *_udta, GF_Event *evt)
GF_EXPORT GF_Err	gf_media_fragment_file (GF_ISOFile *input, const char *output_file, Double max_duration_sec, Bool use_mfra)
GF_Err	rfc_6381_get_codec_aac (char *szCodec, u32 codec_id, u8 *dsi, u32 dsi_size, Bool force_sbr)
GF_Err	dolby_get_codec_ac4 (char *szCodec, u32 codec_id, u8 *dsi, u32 dsi_size)
GF_Err	rfc_6381_get_codec_m4v (char *szCodec, u32 codec_id, u8 *dsi, u32 dsi_size)
GF_Err	rfc_6381_get_codec_avc (char *szCodec, u32 subtype, GF_AVCConfig *avcc)
GF_Err	rfc_6381_get_codec_hevc (char *szCodec, u32 subtype, GF_HEVCConfig *hvcc)
GF_Err	rfc_6381_get_codec_av1 (char *szCodec, u32 subtype, GF_AV1Config *av1c, COLR colr)
GF_Err	rfc_6381_get_codec_vpx (char *szCodec, u32 subtype, GF_VPConfig *vpcc, COLR colr)
GF_Err	rfc_6381_get_codec_dolby_vision (char *szCodec, u32 subtype, GF_DOVIDecoderConfigurationRecord *dovi)
GF_Err	rfc_6381_get_codec_vvc (char *szCodec, u32 subtype, GF_VVCConfig *vvcc)
GF_Err	rfc_6381_get_codec_mpegha (char *szCodec, u32 subtype, u8 *dsi, u32 dsi_size, s32 pl)
GF_Err	rfc_6381_get_codec_iamf (char *szCodec, GF_IAConfig *cfg)
GF_Err	rfc_6381_get_codec_uncv (char *szCodec, u32 subtype, u8 *dsi, u32 dsi_size)
GF_Err	rfc_6381_get_codec_stpp (char *szCodec, u32 subtype, const char *xmlnamespace, const char *xml_schema_loc, const char *mimes)
GF_Err	rfc6381_codec_name_default (char *szCodec, u32 subtype, u32 codec_id)
GF_EXPORT GF_Err	gf_media_get_rfc_6381_codec_name (GF_ISOFile *movie, u32 track, u32 stsd_idx, char *szCodec, Bool force_inband, Bool force_sbr)
GF_Err	gf_media_av1_layer_size_get (GF_ISOFile *file, u32 trackNumber, u32 sample_number, u8 op_index, u32 layer_size[3])
GF_EXPORT GF_Err	gf_media_isom_apply_qt_key (GF_ISOFile *movie, const char *name, const char *val)

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 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 []
char	gf_prog_lf
static char	base32_chars [] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567"
static const char *	ttml_namespaces []
static const int	TTML_NAMESPACES_COUNT = GF_ARRAY_LENGTH(ttml_namespaces)

---

Data Structure Documentation

LInfo

struct LInfo

Data Fields
u8	layer_id_plus_one
u8	min_temporal_id
u8	max_temporal_id

LHVCTrackInfo

struct LHVCTrackInfo

Collaboration diagram for LHVCTrackInfo:

Data Fields
u32	track_num
u32	layer_id
GF_HEVCConfig *	lhvccfg
GF_BitStream *	bs
u32	data_offset
u32	data_size
u32	temporal_id_sample
u32	max_temporal_id_sample
LInfo	layers[64]
u32	width
u32	height
Bool	has_samples
Bool	non_tsa_vcl

HEVCTileImport

struct HEVCTileImport

Data Fields
u32	track
u32	track_id
u32	sample_count
u32	tx
u32	ty
u32	tw
u32	th
u32	data_offset
GF_BitStream *	sample_data
u32	nb_nalus_in_sample
Bool	all_intra

FragCallback

struct FragCallback

Data Fields
u32	filter_idx_plus_one
u32	last_prog
GF_FilterSession *	fsess

Function Documentation

gf_media_get_color_info()

GF_Err gf_media_get_color_info	(	GF_ISOFile *	file,
		u32	track,
		u32	sampleDescriptionIndex,
		u32 *	colour_type,
		u16 *	colour_primaries,
		u16 *	transfer_characteristics,
		u16 *	matrix_coefficients,
		Bool *	full_range_flag
	)

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gf_isom_set_meta_qt()

GF_Err gf_isom_set_meta_qt

(

GF_ISOFile *

file

)

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gf_get_DQId()

static s32 gf_get_DQId ( GF_ISOFile *  file, u32  track  )

static

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gf_isom_has_svc_explicit()

static Bool gf_isom_has_svc_explicit ( GF_ISOFile *  file, u32  track  )

static

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gf_isom_get_track_id_max()

static u32 gf_isom_get_track_id_max ( GF_ISOFile *  file )

static

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alloc_hevc_param_array()

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

static

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hevc_get_tile_id()

u32 hevc_get_tile_id	(	HEVCState *	hevc,
		u32 *	tile_x,
		u32 *	tile_y,
		u32 *	tile_width,
		u32 *	tile_height
	)

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hevc_add_trif()

static void hevc_add_trif ( GF_ISOFile *  file, u32  track, u32  id, Bool  full_picture, u32  independent, Bool  filtering_disable, u32  tx, u32  ty, u32  tw, u32  th, Bool  is_default  )

static

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on_frag_event()

static Bool on_frag_event ( void *  _udta, GF_Event *  evt  )

static

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rfc_6381_get_codec_aac()

GF_Err rfc_6381_get_codec_aac	(	char *	szCodec,
		u32	codec_id,
		u8 *	dsi,
		u32	dsi_size,
		Bool	force_sbr
	)

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dolby_get_codec_ac4()

GF_Err dolby_get_codec_ac4	(	char *	szCodec,
		u32	codec_id,
		u8 *	dsi,
		u32	dsi_size
	)

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rfc_6381_get_codec_m4v()

GF_Err rfc_6381_get_codec_m4v	(	char *	szCodec,
		u32	codec_id,
		u8 *	dsi,
		u32	dsi_size
	)

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rfc_6381_get_codec_avc()

GF_Err rfc_6381_get_codec_avc	(	char *	szCodec,
		u32	subtype,
		GF_AVCConfig *	avcc
	)

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rfc_6381_get_codec_hevc()

GF_Err rfc_6381_get_codec_hevc	(	char *	szCodec,
		u32	subtype,
		GF_HEVCConfig *	hvcc
	)

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rfc_6381_get_codec_av1()

GF_Err rfc_6381_get_codec_av1	(	char *	szCodec,
		u32	subtype,
		GF_AV1Config *	av1c,
		COLR	colr
	)

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rfc_6381_get_codec_vpx()

GF_Err rfc_6381_get_codec_vpx	(	char *	szCodec,
		u32	subtype,
		GF_VPConfig *	vpcc,
		COLR	colr
	)

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rfc_6381_get_codec_dolby_vision()

GF_Err rfc_6381_get_codec_dolby_vision	(	char *	szCodec,
		u32	subtype,
		GF_DOVIDecoderConfigurationRecord *	dovi
	)

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rfc_6381_get_codec_vvc()

GF_Err rfc_6381_get_codec_vvc	(	char *	szCodec,
		u32	subtype,
		GF_VVCConfig *	vvcc
	)

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rfc_6381_get_codec_mpegha()

GF_Err rfc_6381_get_codec_mpegha	(	char *	szCodec,
		u32	subtype,
		u8 *	dsi,
		u32	dsi_size,
		s32	pl
	)

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rfc_6381_get_codec_iamf()

GF_Err rfc_6381_get_codec_iamf	(	char *	szCodec,
		GF_IAConfig *	cfg
	)

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rfc_6381_get_codec_uncv()

GF_Err rfc_6381_get_codec_uncv	(	char *	szCodec,
		u32	subtype,
		u8 *	dsi,
		u32	dsi_size
	)

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rfc_6381_get_codec_stpp()

GF_Err rfc_6381_get_codec_stpp	(	char *	szCodec,
		u32	subtype,
		const char *	xmlnamespace,
		const char *	xml_schema_loc,
		const char *	mimes
	)

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rfc6381_codec_name_default()

GF_Err rfc6381_codec_name_default	(	char *	szCodec,
		u32	subtype,
		u32	codec_id
	)

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Variable Documentation

ISMA_VIDEO_OD_ID

const u32 ISMA_VIDEO_OD_ID = 20

static

ISMA_AUDIO_OD_ID

const u32 ISMA_AUDIO_OD_ID = 10

static

ISMA_VIDEO_ES_ID

const u32 ISMA_VIDEO_ES_ID = 201

static

ISMA_AUDIO_ES_ID

const u32 ISMA_AUDIO_ES_ID = 101

static

ISMA_BIFS_AUDIO

const u8 ISMA_BIFS_AUDIO[]

static

Initial value:

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

ISMA_GF_BIFS_VIDEO

const u8 ISMA_GF_BIFS_VIDEO[]

static

Initial value:

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

ISMA_BIFS_AV

const u8 ISMA_BIFS_AV[]

static

Initial value:

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

ISMA_BIFS_IMAGE

const u8 ISMA_BIFS_IMAGE[]

static

Initial value:

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

ISMA_BIFS_AI

const u8 ISMA_BIFS_AI[]

static

Initial value:

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

gf_prog_lf

char gf_prog_lf

extern

base32_chars

char base32_chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567"

static

ttml_namespaces

const char* ttml_namespaces[]

static

Initial value:

= {
        "im3t", "http://www.w3.org/ns/ttml/profile/imsc1.2/text",
        "im2t", "http://www.w3.org/ns/ttml/profile/imsc1.1/text",
        "im2i", "http://www.w3.org/ns/ttml/profile/imsc1.1/image",
        "im1t", "http://www.w3.org/ns/ttml/profile/imsc1/text",
        "im1i", "http://www.w3.org/ns/ttml/profile/imsc1/image"
}

TTML_NAMESPACES_COUNT

const int TTML_NAMESPACES_COUNT = GF_ARRAY_LENGTH(ttml_namespaces)

static