Change go version to 1.20 for Windows 7 support

pkg/core/slices.go

@@ -0,0 +1,43 @@
+package core
+
+// This code copied from go1.21 for backward support in go1.20.
+// We need to support go1.20 for Windows 7
+
+// Index returns the index of the first occurrence of v in s,
+// or -1 if not present.
+func Index[S ~[]E, E comparable](s S, v E) int {
+	for i := range s {
+		if v == s[i] {
+			return i
+		}
+	}
+	return -1
+}
+
+// Contains reports whether v is present in s.
+func Contains[S ~[]E, E comparable](s S, v E) bool {
+	return Index(s, v) >= 0
+}
+
+type Ordered interface {
+	~int | ~int8 | ~int16 | ~int32 | ~int64 |
+		~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr |
+		~float32 | ~float64 |
+		~string
+}
+
+// Max returns the maximal value in x. It panics if x is empty.
+// For floating-point E, Max propagates NaNs (any NaN value in x
+// forces the output to be NaN).
+func Max[S ~[]E, E Ordered](x S) E {
+	if len(x) < 1 {
+		panic("slices.Max: empty list")
+	}
+	m := x[0]
+	for i := 1; i < len(x); i++ {
+		if x[i] > m {
+			m = x[i]
+		}
+	}
+	return m
+}

pkg/homekit/consumer.go

@@ -3,7 +3,7 @@ package homekit
 import (
 	"fmt"
 	"io"
-	"math/rand/v2"
+	"math/rand"
 	"net"
 	"time"
 

pkg/homekit/helpers.go

@@ -2,7 +2,6 @@ package homekit
 
 import (
 	"encoding/hex"
-	"slices"
 
 	"github.com/AlexxIT/go2rtc/pkg/aac"
 	"github.com/AlexxIT/go2rtc/pkg/core"
@@ -22,8 +21,8 @@ func videoToMedia(codecs []camera.VideoCodec) *core.Media {
 	for _, codec := range codecs {
 		for _, param := range codec.CodecParams {
 			// get best profile and level
-			profileID := slices.Max(param.ProfileID)
-			level := slices.Max(param.Level)
+			profileID := core.Max(param.ProfileID)
+			level := core.Max(param.Level)
 			profile := videoProfiles[profileID] + videoLevels[level]
 			mediaCodec := &core.Codec{
 				Name:      videoCodecs[codec.CodecType],

pkg/webrtc/api.go

@@ -2,8 +2,8 @@ package webrtc
 
 import (
 	"net"
-	"slices"
 
+	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/pion/interceptor"
 	"github.com/pion/webrtc/v3"
 )
@@ -47,7 +47,7 @@ func NewServerAPI(network, address string, filters *Filters) (*webrtc.API, error
 	if filters != nil && filters.Interfaces != nil {
 		s.SetIncludeLoopbackCandidate(true)
 		s.SetInterfaceFilter(func(name string) bool {
-			return slices.Contains(filters.Interfaces, name)
+			return core.Contains(filters.Interfaces, name)
 		})
 	} else {
 		// disable listen on Hassio docker interfaces
@@ -59,7 +59,7 @@ func NewServerAPI(network, address string, filters *Filters) (*webrtc.API, error
 	if filters != nil && filters.IPs != nil {
 		s.SetIncludeLoopbackCandidate(true)
 		s.SetIPFilter(func(ip net.IP) bool {
-			return slices.Contains(filters.IPs, ip.String())
+			return core.Contains(filters.IPs, ip.String())
 		})
 	}