Files
livekit/pkg/rtc/clientinfo.go
David Zhao 981fb7cac7 Adding license notices (#1913)
* Adding license notices

* remove from config
2023-07-27 16:43:19 -07:00

109 lines
2.8 KiB
Go

// Copyright 2023 LiveKit, Inc.
//
// 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.
package rtc
import (
"strconv"
"strings"
"github.com/livekit/protocol/livekit"
)
type ClientInfo struct {
*livekit.ClientInfo
}
func (c ClientInfo) isFirefox() bool {
return c.ClientInfo != nil && strings.EqualFold(c.ClientInfo.Browser, "firefox")
}
func (c ClientInfo) isSafari() bool {
return c.ClientInfo != nil && strings.EqualFold(c.ClientInfo.Browser, "safari")
}
func (c ClientInfo) isGo() bool {
return c.ClientInfo != nil && c.ClientInfo.Sdk == livekit.ClientInfo_GO
}
func (c ClientInfo) SupportsAudioRED() bool {
return !c.isFirefox() && !c.isSafari()
}
func (c ClientInfo) SupportPrflxOverRelay() bool {
return !c.isFirefox()
}
// GoSDK(pion) relies on rtp packets to fire ontrack event, browsers and native (libwebrtc) rely on sdp
func (c ClientInfo) FireTrackByRTPPacket() bool {
return c.isGo()
}
func (c ClientInfo) CanHandleReconnectResponse() bool {
if c.Sdk == livekit.ClientInfo_JS {
// JS handles Reconnect explicitly in 1.6.3, prior to 1.6.4 it could not handle unknown responses
if c.compareVersion("1.6.3") < 0 {
return false
}
}
return true
}
func (c ClientInfo) SupportsICETCP() bool {
if c.ClientInfo == nil {
return false
}
if c.ClientInfo.Sdk == livekit.ClientInfo_GO {
// Go does not support active TCP
return false
}
if c.ClientInfo.Sdk == livekit.ClientInfo_SWIFT {
// ICE/TCP added in 1.0.5
return c.compareVersion("1.0.5") >= 0
}
// most SDKs support ICE/TCP
return true
}
func (c ClientInfo) SupportsChangeRTPSenderEncodingActive() bool {
return !c.isFirefox()
}
// compareVersion compares a semver against the current client SDK version
// returning 1 if current version is greater than version
// 0 if they are the same, and -1 if it's an earlier version
func (c ClientInfo) compareVersion(version string) int {
if c.ClientInfo == nil {
return -1
}
parts0 := strings.Split(c.ClientInfo.Version, ".")
parts1 := strings.Split(version, ".")
ints0 := make([]int, 3)
ints1 := make([]int, 3)
for i := 0; i < 3; i++ {
if len(parts0) > i {
ints0[i], _ = strconv.Atoi(parts0[i])
}
if len(parts1) > i {
ints1[i], _ = strconv.Atoi(parts1[i])
}
if ints0[i] > ints1[i] {
return 1
} else if ints0[i] < ints1[i] {
return -1
}
}
return 0
}