| PiffSampleEncryptionBox |
aligned(8) class SampleEncryptionBox extends FullBox(‘uuid’, extended_type= 0xA2394F52-5A9B-4f14-A244-6C427C648DF4, version=0, flags=0)
{
if (flags & 0x000001)
{
unsigned int(24) AlgorithmID;
unsigned int(8) IV_size;
unsigned int(8)[16] KID;
}
unsigned int (32) sample_count;
{
unsigned int(IV_size) InitializationVector;
if (flags & 0x000002)
{
unsigned int(16) NumberOfEntries;
{
unsigned int(16) BytesOfClearData;
unsigned int(32) BytesOfEncryptedData;
} [ NumberOfEntries]
}
}[ sample_count ]
}
|
| PiffTrackEncryptionBox |
aligned(8) class TrackEncryptionBox extends FullBox(‘uuid’,
extended_type=0x8974dbce-7be7-4c51-84f9-7148f9882554, version=0,
flags=0)
{
unsigned int(24) default_AlgorithmID;
unsigned int(8) default_IV_size;
unsigned int(8)[16] default_KID;
}
|