av/stream/encoding.go

52 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
import "io"
type Encoder interface {
Write([]byte) (int, error)
GetDst() io.Writer
}
// NopEncoder returns an Encoder that performs no operation.
func NopEncoder(dst io.Writer) Encoder {
return noop{dst}
}
type noop struct {
dst io.Writer
}
// Write implements io.Writer.
func (e noop) Write(p []byte) (int, error) {
return e.dst.Write(p)
}
func (e noop) GetDst() io.Writer { return e.dst }