Capabilities
The H.264 capability set is structured as a list of one or more H.264 capabilities, each of which has:
- Profile (mandatory)
- Level (mandatory)
- Zero or more additional parameters
These capabilities communicate the ability to decode using one or more H.264 profiles contained in a GenericCapability structure. For each H.264 capability, optional parameters can appear. These parameters permits a terminal to communicate that it has capabilities in addition to meeting the support requirements for the signaled profile and level.
Optional parameters include: CustomMaxMBPS, CustomMaxDPB, CustomMaxBRandCPB, MaxStaticMBPS, max-rcmd-unit-size, max-nal-unit-size, SampleAspectRatiosSupported, AdditionalModesSupported, amd AdditionalDisplayCapabilities.