mp4 文件 dinf 解析

Data Information Box

Box Type:    ‘dinf’

Container:   Media Information Box (‘minf’) or Meta Box (‘meta’)

Mandatory: Yes (required within ‘minf’ box) and No (optional within ‘meta’ box) Quantity: Exactly one

The data information box contains objects that declare the location of the media information in a track.

aligned(8) class DataInformationBox extends Box(‘dinf’) {

}

 

000006b0: 00 00 00 24 64 69 6e 66 00 00 00 1c 64 72 65 66 …$dinf….dref
000006c0: 00 00 00 00 00 00 00 01 00 00 00 0c 75 72 6c 20 …………url
000006d0: 00 00 00 01 00 00 01 0b 73 74 62 6c 00 00 00 a7 ……..stbl….
000006e0: 73 74 73 64 00 00 00 00 00 00 00 01 00 00 00 97 stsd…………

size 00 00 00 24

000008d0: 00 00 00 00 00 00 00 24 64 69 6e 66 00 00 00 1c …….$dinf….
000008e0: 64 72 65 66 00 00 00 00 00 00 00 01 00 00 00 0c dref…………
000008f0: 75 72 6c 20 00 00 00 01 00 00 00 a3 73 74 62 6c url ……..stbl