ISO Sample

Collaboration diagram for ISO Sample:

Data Structures
struct	GF_ISOSample

Enumerations
enum	GF_ISOSAPType {   RAP_REDUNDANT = -1 , RAP_NO = 0 , RAP = 1 , SAP_TYPE_1 = 1 ,   SAP_TYPE_2 = 2 , SAP_TYPE_3 = 3 , SAP_TYPE_4 = 4 }

Functions
GF_ISOSample *	gf_isom_sample_new ()
void	gf_isom_sample_del (GF_ISOSample **samp)

Detailed Description

Media sample for ISOBMFF API.

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Data Structure Documentation

GF_ISOSample

struct GF_ISOSample

media sample object

Data Fields
u32	dataLength	data size
u8 *	data	data with padding if requested
u64	DTS	decoding time
s32	CTS_Offset	relative offset for composition if needed
GF_ISOSAPType	IsRAP	SAP type
u32	alloc_size	allocated data size - used only when using static sample in gf_isom_get_sample_ex
u32	nb_pack	number of packed samples in this sample. If 0 or 1, only 1 sample is present only used for constant size and constant duration samples
u32	duration	read API only - sample duration (multiply by nb_pack to get full duration)

Enumeration Type Documentation

GF_ISOSAPType

enum GF_ISOSAPType

Random Access Point flag

Enumerator
RAP_REDUNDANT	redundant sync shadow - only set when reading sample
RAP_NO	not rap
RAP	sync point (IDR)
SAP_TYPE_1	sync point (IDR)
SAP_TYPE_2	sync point (IDR)
SAP_TYPE_3	RAP, OpenGOP
SAP_TYPE_4	RAP, roll info (GDR or audio preroll)

Function Documentation

gf_isom_sample_new()

GF_ISOSample* gf_isom_sample_new

(

)

creates a new empty sample

Returns

the newly allocated ISO sample

gf_isom_sample_del()

void gf_isom_sample_del

(

GF_ISOSample **

samp

)

delete a sample.

Note

The buffer content will be destroyed by default. If you wish to keep the buffer, set dataLength to 0 in the sample before deleting it the pointer is set to NULL after deletion

Parameters

samp	pointer to the target ISO sample