From 65eb9ae5c1a21ce49745646182af951ea2edfab2 Mon Sep 17 00:00:00 2001
From: Martin Riedl <martin.riedl.92@googlemail.com>
Date: Thu, 14 Nov 2024 18:42:41 +0100
Subject: [PATCH] new data information box

---
 Box.go                |  2 ++
 DataInformationBox.go | 40 ++++++++++++++++++++++++++++++++++++++++
 Parser.go             |  2 ++
 README.md             |  2 +-
 4 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 DataInformationBox.go

diff --git a/Box.go b/Box.go
index 69ea768..e701337 100644
--- a/Box.go
+++ b/Box.go
@@ -40,6 +40,8 @@ const (
 	BoxTypeHandlerReference = "hdlr"
 	// BoxTypeMediaInformation Media Information Box
 	BoxTypeMediaInformation = "minf"
+	// BoxTypeDataInformation Data Information Box
+	BoxTypeDataInformation = "dinf"
 	// BoxTypeMovieFragment Movie Fragment Box
 	BoxTypeMovieFragment = "moof"
 	// BoxTypeMovieFragmentHeader Movie Fragment Header Box
diff --git a/DataInformationBox.go b/DataInformationBox.go
new file mode 100644
index 0000000..6b56ea7
--- /dev/null
+++ b/DataInformationBox.go
@@ -0,0 +1,40 @@
+// 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 []interface{}
+}
+
+// ParseDataInformationBox creates a new data information box struct based on bytes
+func ParseDataInformationBox(filePosition uint64, headerSize uint32, content []byte) (*DataInformationBox, error) {
+	box := &DataInformationBox{Box: &Box{filePosition, headerSize}}
+
+	// parse child boxes
+	var err error
+	box.ChildBoxes, err = box.parseChildBoxes(filePosition, content)
+	return box, err
+}
diff --git a/Parser.go b/Parser.go
index dc3f2f5..c393672 100644
--- a/Parser.go
+++ b/Parser.go
@@ -124,6 +124,8 @@ func parseNextBox(reader io.Reader, filePosition uint64) (box interface{}, endPo
 		box = ParseHandlerReferenceBox(filePosition, boxHeaderSize, boxContentBytes)
 	case BoxTypeMediaInformation:
 		box, err = ParseMediaInformationBox(filePosition, boxHeaderSize, boxContentBytes)
+	case BoxTypeDataInformation:
+		box, err = ParseDataInformationBox(filePosition, boxHeaderSize, boxContentBytes)
 	case BoxTypeMovieFragment:
 		box, err = ParseMovieFragmentBox(filePosition, boxHeaderSize, boxContentBytes)
 	case BoxTypeMovieFragmentHeader:
diff --git a/README.md b/README.md
index a1b2d8b..1423d14 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ Implementation progress
 | 8.6.4 Independent and Disposable Samples Box       | sdtp           |      - |
 | 8.6.5 Edit Box                                     | edts           |      - |
 | 8.6.6 Edit List Box                                | elst           |      - |
-| 8.7.1 Data Information Box                         | dinf           |      - |
+| 8.7.1 Data Information Box                         | dinf           |   100% |
 | 8.7.2 Data Reference Box                           | dref, url, urn |      - |
 | 8.7.3 Sample Size Boxes                            | stsz, stz2     |      - |
 | 8.7.4 Sample To Chunk Box                          | stsc           |      - |