case AV_PKT_DATA_MASTERING_DISPLAY_METADATA: return "Mastering display metadata";
case AV_PKT_DATA_CONTENT_LIGHT_LEVEL: return "Content light level metadata";
case AV_PKT_DATA_SPHERICAL: return "Spherical Mapping";
+ case AV_PKT_DATA_A53_CC: return "A53 Closed Captions";
}
return NULL;
}