av/stream/encoding.go

54 lines
1.2 KiB
Go

/*
NAME
encoding.go
DESCRIPTION
See Readme.md
AUTHOR
Saxon Nelson-Milton <saxon@ausocean.org>
LICENSE
encoding.go is Copyright (C) 2017 the Australian Ocean Lab (AusOcean)
It is free software: you can redistribute it and/or modify them
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
It is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with revid in gpl.txt. If not, see http://www.gnu.org/licenses.
*/
package stream
type Encoder interface {
Encode([]byte) error
Stream() <-chan []byte
}
// NopEncoder returns an
func NopEncoder() Encoder {
return noop{make(chan []byte, 1)}
}
type noop struct {
dst chan []byte
}
func (e noop) Encode(p []byte) error {
b := make([]byte, len(p))
copy(b, p)
e.dst <- b
return nil
}
func (e noop) Stream() <-chan []byte {
return e.dst
}