typedef enum {
H264_SEI_TYPE_BUFFERING_PERIOD = 0, ///< buffering period (H.264, D.1.1)
H264_SEI_TYPE_PIC_TIMING = 1, ///< picture timing
+ H264_SEI_TYPE_PAN_SCAN_RECT = 2, ///< pan-scan rectangle
H264_SEI_TYPE_FILLER_PAYLOAD = 3, ///< filler data
H264_SEI_TYPE_USER_DATA_REGISTERED = 4, ///< registered user data as specified by Rec. ITU-T T.35
H264_SEI_TYPE_USER_DATA_UNREGISTERED = 5, ///< unregistered user data
H264_SEI_TYPE_FRAME_PACKING = 45, ///< frame packing arrangement
H264_SEI_TYPE_DISPLAY_ORIENTATION = 47, ///< display orientation
H264_SEI_TYPE_GREEN_METADATA = 56, ///< GreenMPEG information
+ H264_SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME = 137, ///< mastering display properties
H264_SEI_TYPE_ALTERNATIVE_TRANSFER = 147, ///< alternative transfer
} H264_SEI_Type;