[chore]: Bump github.com/abema/go-mp4 from 1.1.1 to 1.2.0 (#2559)

1 files changed, 20 insertions, 0 deletions

diff --git a/vendor/github.com/abema/go-mp4/mp4.go b/vendor/github.com/abema/go-mp4/mp4.go
index 6aa5b307a..2fab24da7 100644
--- a/vendor/github.com/abema/go-mp4/mp4.go
+++ b/vendor/github.com/abema/go-mp4/mp4.go
@@ -1,6 +1,7 @@
 package mp4
 
 import (
+	"encoding/binary"
 	"errors"
 	"fmt"
 	"reflect"
@@ -19,6 +20,13 @@ func StrToBoxType(code string) BoxType {
 	return BoxType{code[0], code[1], code[2], code[3]}
 }
 
+// Uint32ToBoxType returns a new BoxType from the provied uint32
+func Uint32ToBoxType(i uint32) BoxType {
+	b := make([]byte, 4)
+	binary.BigEndian.PutUint32(b, i)
+	return BoxType{b[0], b[1], b[2], b[3]}
+}
+
 func (boxType BoxType) String() string {
 	if isPrintable(boxType[0]) && isPrintable(boxType[1]) && isPrintable(boxType[2]) && isPrintable(boxType[3]) {
 		s := string([]byte{boxType[0], boxType[1], boxType[2], boxType[3]})
@@ -92,6 +100,8 @@ func AddAnyTypeBoxDefEx(payload IAnyType, boxType BoxType, isTarget func(Context
 	})
 }
 
+var itemBoxFields = buildFields(&Item{})
+
 func (boxType BoxType) getBoxDef(ctx Context) *boxDef {
 	boxDefs := boxMap[boxType]
 	for i := len(boxDefs) - 1; i >= 0; i-- {
@@ -100,6 +110,16 @@ func (boxType BoxType) getBoxDef(ctx Context) *boxDef {
 			return boxDef
 		}
 	}
+	if ctx.UnderIlst {
+		typeID := int(binary.BigEndian.Uint32(boxType[:]))
+		if typeID >= 1 && typeID <= ctx.QuickTimeKeysMetaEntryCount {
+			return &boxDef{
+				dataType: reflect.TypeOf(Item{}),
+				isTarget: isIlstMetaContainer,
+				fields:   itemBoxFields,
+			}
+		}
+	}
 	return nil
 }