// Copyright 2024 Martin Riedl // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package gomp4 // DataInformationBox data information box struct // // 8.7.1 Data Information Box // // Box Type: ‘dinf’ // Container: Media Information Box (‘minf’) or Meta Box (‘meta’) // Mandatory: Yes (required within ‘minf’ box) and No (optional within ‘meta’ box) // Quantity: Exactly one // // The data information box contains objects that declare the location of the media information in a track. type DataInformationBox struct { *Box ChildBoxes []any } // BoxTypeDataInformation Data Information Box const BoxTypeDataInformation = "dinf" func init() { BoxDefinitions = append(BoxDefinitions, BoxDefinition{ Type: BoxTypeDataInformation, ParentTypes: []string{BoxTypeMediaInformation}, // TODO: add Meta Box `meta` Parser: ParseDataInformationBox, }) } // ParseDataInformationBox creates a new data information box struct based on bytes func ParseDataInformationBox(parser *Parser, filePosition uint64, headerSize uint32, content []byte) (any, error) { box := &DataInformationBox{Box: &Box{filePosition, headerSize}} // parse child boxes var err error box.ChildBoxes, err = box.parseChildBoxes(parser, BoxTypeDataInformation, filePosition, content) return box, err }