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galene/conn/conn.go

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2020-09-13 11:04:16 +02:00
// Copyright (c) 2020 by Juliusz Chroboczek.
// This is not open source software. Copy it, and I'll break into your
// house and tell your three year-old that Santa doesn't exist.
// Package conn defines interfaces for connections and tracks.
package conn
import (
"errors"
"github.com/pion/rtp"
"github.com/pion/webrtc/v3"
)
var ErrConnectionClosed = errors.New("connection is closed")
var ErrKeyframeNeeded = errors.New("keyframe needed")
// Type Up represents a connection in the client to server direction.
type Up interface {
AddLocal(Down) error
DelLocal(Down) bool
Id() string
Label() string
}
// Type UpTrack represents a track in the client to server direction.
type UpTrack interface {
AddLocal(DownTrack) error
DelLocal(DownTrack) bool
Label() string
Codec() *webrtc.RTPCodec
// get a recent packet. Returns 0 if the packet is not in cache.
GetRTP(seqno uint16, result []byte) uint16
Nack(conn Up, seqnos []uint16) error
2020-09-13 11:04:16 +02:00
}
// Type Down represents a connection in the server to client direction.
type Down interface {
GetMaxBitrate(now uint64) uint64
}
// Type DownTrack represents a track in the server to client direction.
type DownTrack interface {
WriteRTP(packat *rtp.Packet) error
Accumulate(bytes uint32)
SetTimeOffset(ntp uint64, rtp uint32)
SetCname(string)
}