52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
// Copyright 2024 Martin Riedl
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package gomp4
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// MediaBox media box struct
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//
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// 8.4.1 Media Box
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//
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// Box Type: ‘mdia’
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// Container: Track Box (‘trak’)
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// Mandatory: Yes
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// Quantity: Exactly one
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//
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// The media declaration container contains all the objects that declare information about the media data
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// within a track.
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type MediaBox struct {
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*Box
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ChildBoxes []any
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}
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// BoxTypeMedia Media Box
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const BoxTypeMedia = "mdia"
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func init() {
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BoxDefinitions = append(BoxDefinitions, BoxDefinition{
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Type: BoxTypeMedia,
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ParentTypes: []string{BoxTypeTrack},
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Parser: ParseMediaBox,
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})
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}
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// ParseMediaBox creates a new media box struct based on bytes
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func ParseMediaBox(parser *Parser, filePosition uint64, headerSize uint32, content []byte) (any, error) {
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box := &MediaBox{Box: &Box{filePosition, headerSize}}
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// parse child boxes
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var err error
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box.ChildBoxes, err = box.parseChildBoxes(parser, BoxTypeMedia, filePosition, content)
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return box, err
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}
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