-
Notifications
You must be signed in to change notification settings - Fork 15
/
splice_command.go
54 lines (50 loc) · 1.62 KB
/
splice_command.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
// Copyright 2021 Comcast Cable Communications Management, LLC
//
// 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.
//
// SPDX-License-Identifier: Apache-2.0
package scte35
// NewSpliceCommand returns the splice command appropriate for the given type.
func NewSpliceCommand(spliceCommandType uint32) SpliceCommand {
switch spliceCommandType {
case SpliceNullType:
return &SpliceNull{}
case SpliceScheduleType:
return &SpliceSchedule{}
case SpliceInsertType:
return &SpliceInsert{}
case TimeSignalType:
return &TimeSignal{}
case BandwidthReservationType:
return &BandwidthReservation{}
default:
return &PrivateCommand{}
}
}
// SpliceCommand is an interface for splice_command.
type SpliceCommand interface {
Type() uint32
decode(b []byte) error
encode() ([]byte, error)
length() int
table(prefix, indent string) string
}
// decodeSpliceCommand decodes the supplied byte array into the desired
// splice_command_type.
func decodeSpliceCommand(spliceCommandType uint32, b []byte) (SpliceCommand, error) {
cmd := NewSpliceCommand(spliceCommandType)
if err := cmd.decode(b); err != nil {
return cmd, err
}
return cmd, nil
}