Raw key encryption options

--enable_raw_key_encryption
	Enable encryption with raw key (keys provided in command line)).
--enable_raw_key_decryption
	Enable decryption with raw key (keys provided in command line).
--keys <key_info_string[,key_info_string][,key_info_string]...>
	key_info_string is of the form: label={label}:key_id={key_id}:key={key} label can be an arbitrary string or a predefined DRM label like AUDIO, SD, HD, etc. Label with an empty string indicates the default key and key_id. The drm_label in Stream descriptors, which can be implicit, determines which key info is applied to the stream by matching the drm_label with the label in key info. key_id and key should be 32-digit hex strings.
--iv <16-digit or 32-digit hex string>
	IV in hex string format. If not specified, a random IV will be generated. This flag should only be used for testing. IV must be either 8 bytes (16 digits HEX) or 16 bytes (32 digits in HEX).
--pssh <hex string>
	One or more concatenated PSSH boxes in hex string format. If not specified, a v1 common PSSH box will be generated.