Move to Pion v3 API.

conn/conn.go

@@ -29,7 +29,7 @@ type UpTrack interface {
 	AddLocal(DownTrack) error
 	DelLocal(DownTrack) bool
 	Label() string
-	Codec() *webrtc.RTPCodec
+	Codec() webrtc.RTPCodecCapability
 	// 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

diskwriter/diskwriter.go

@@ -7,13 +7,13 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"strings"
 	"sync"
 	"time"
 
 	"github.com/at-wat/ebml-go/webm"
 	"github.com/pion/rtp"
 	"github.com/pion/rtp/codecs"
-	"github.com/pion/webrtc/v3"
 	"github.com/pion/webrtc/v3/pkg/media/samplebuilder"
 
 	"sfu/conn"
@@ -227,20 +227,21 @@ func newDiskConn(directory, label string, up conn.Up, remoteTracks []conn.UpTrac
 	}
 	for _, remote := range remoteTracks {
 		var builder *samplebuilder.SampleBuilder
-		switch remote.Codec().Name {
+		codec := remote.Codec()
-		case webrtc.Opus:
+		switch strings.ToLower(codec.MimeType) {
+		case "audio/opus":
 			builder = samplebuilder.New(
-				16, &codecs.OpusPacket{},
+				16, &codecs.OpusPacket{}, codec.ClockRate,
 				samplebuilder.WithPartitionHeadChecker(
 					&codecs.OpusPartitionHeadChecker{},
 				),
 			)
-		case webrtc.VP8:
+		case "video/vp8":
 			if conn.hasVideo {
 				return nil, errors.New("multiple video tracks not supported")
 			}
 			builder = samplebuilder.New(
-				128, &codecs.VP8Packet{},
+				128, &codecs.VP8Packet{}, codec.ClockRate,
 				samplebuilder.WithPartitionHeadChecker(
 					&codecs.VP8PartitionHeadChecker{},
 				),
@@ -312,8 +313,9 @@ func (t *diskTrack) WriteRTP(packet *rtp.Packet) error {
 
 		keyframe := true
 
-		switch t.remote.Codec().Name {
+		codec := t.remote.Codec()
-		case webrtc.VP8:
+		switch strings.ToLower(codec.MimeType) {
+		case "video/vp8":
 			if len(sample.Data) < 1 {
 				continue
 			}
@@ -365,8 +367,9 @@ func (t *diskTrack) WriteRTP(packet *rtp.Packet) error {
 
 // called locked
 func (t *diskTrack) initWriter(data []byte) error {
-	switch t.remote.Codec().Name {
+	codec := t.remote.Codec()
-	case webrtc.VP8:
+	switch strings.ToLower(codec.MimeType) {
+	case "video/vp8":
 		if len(data) < 10 {
 			return nil
 		}
@@ -390,10 +393,10 @@ func (conn *diskConn) initWriter(width, height uint32) error {
 	}
 	var entries []webm.TrackEntry
 	for i, t := range conn.tracks {
-		codec := t.remote.Codec()
 		var entry webm.TrackEntry
-		switch t.remote.Codec().Name {
+		codec := t.remote.Codec()
-		case webrtc.Opus:
+		switch strings.ToLower(codec.MimeType) {
+		case "audio/opus":
 			entry = webm.TrackEntry{
 				Name:        "Audio",
 				TrackNumber: uint64(i + 1),
@@ -404,7 +407,7 @@ func (conn *diskConn) initWriter(width, height uint32) error {
 					Channels:          uint64(codec.Channels),
 				},
 			}
-		case webrtc.VP8:
+		case "video/vp8":
 			entry = webm.TrackEntry{
 				Name:        "Video",
 				TrackNumber: uint64(i + 1),

go.mod

@@ -5,9 +5,9 @@ go 1.13
 require (
 	github.com/at-wat/ebml-go v0.11.0
 	github.com/gorilla/websocket v1.4.2
-	github.com/pion/ice/v2 v2.0.7
+	github.com/pion/ice/v2 v2.0.13
-	github.com/pion/rtcp v1.2.5
+	github.com/pion/rtcp v1.2.6
 	github.com/pion/rtp v1.6.1
-	github.com/pion/webrtc/v3 v3.0.0-beta.7
+	github.com/pion/webrtc/v3 v3.0.0-beta.15
-	golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a
+	golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897
 )

go.sum

@@ -110,10 +110,12 @@ github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1y
 github.com/openzipkin/zipkin-go v0.1.1/go.mod h1:NtoC/o8u3JlF1lSlyPNswIbeQH9bJTmOf0Erfk+hxe8=
 github.com/pion/datachannel v1.4.21 h1:3ZvhNyfmxsAqltQrApLPQMhSFNA+aT87RqyCq4OXmf0=
 github.com/pion/datachannel v1.4.21/go.mod h1:oiNyP4gHx2DIwRzX/MFyH0Rz/Gz05OgBlayAI2hAWjg=
-github.com/pion/dtls/v2 v2.0.3 h1:3qQ0s4+TXD00rsllL8g8KQcxAs+Y/Z6oz618RXX6p14=
+github.com/pion/dtls/v2 v2.0.4 h1:WuUcqi6oYMu/noNTz92QrF1DaFj4eXbhQ6dzaaAwOiI=
-github.com/pion/dtls/v2 v2.0.3/go.mod h1:TUjyL8bf8LH95h81Xj7kATmzMRt29F/4lxpIPj2Xe4Y=
+github.com/pion/dtls/v2 v2.0.4/go.mod h1:qAkFscX0ZHoI1E07RfYPoRw3manThveu+mlTDdOxoGI=
-github.com/pion/ice/v2 v2.0.7 h1:3Iv+EfthCdPbJCsPbhnL4xRzolR1oh9mJTuUsxyxPJI=
+github.com/pion/ice/v2 v2.0.13 h1:lVe7g86tQ0vKdH430hQR/t7zV1oeXbK75130TUArrnw=
-github.com/pion/ice/v2 v2.0.7/go.mod h1:0C4VBZxkO3A7Qj5ZEgZut8OptbJFSbuGNyPyJMftuHA=
+github.com/pion/ice/v2 v2.0.13/go.mod h1:mZlypgoynMn2ayhGsjrPY/G/WiRiYO8WCPC6gUeg1RA=
+github.com/pion/interceptor v0.0.5 h1:BOwlubM1lntji3eNaVrhW1Qk3u1UoemrhM4mbv24XGM=
+github.com/pion/interceptor v0.0.5/go.mod h1:lPVrf5xfosI989ZcmgPS4WwwRhd+XAyTFaYI2wHf7nU=
 github.com/pion/logging v0.2.2 h1:M9+AIj/+pxNsDfAT64+MAVgJO0rsyLnoJKCqf//DoeY=
 github.com/pion/logging v0.2.2/go.mod h1:k0/tDVsRCX2Mb2ZEmTqNa7CWsQPc+YYCB7Q+5pahoms=
 github.com/pion/mdns v0.0.4 h1:O4vvVqr4DGX63vzmO6Fw9vpy3lfztVWHGCQfyw0ZLSY=
@@ -124,17 +126,17 @@ github.com/pion/randutil v0.1.0 h1:CFG1UdESneORglEsnimhUjf33Rwjubwj6xfiOXBa3mA=
 github.com/pion/randutil v0.1.0/go.mod h1:XcJrSMMbbMRhASFVOlj/5hQial/Y8oH/HVo7TBZq+j8=
 github.com/pion/rtcp v1.2.4 h1:NT3H5LkUGgaEapvp0HGik+a+CpflRF7KTD7H+o7OWIM=
 github.com/pion/rtcp v1.2.4/go.mod h1:52rMNPWFsjr39z9B9MhnkqhPLoeHTv1aN63o/42bWE0=
-github.com/pion/rtcp v1.2.5 h1:CbZu6JujwnFUkvpJHh/0ypzKla45KX3nPnvXBe4P0hQ=
+github.com/pion/rtcp v1.2.6 h1:1zvwBbyd0TeEuuWftrd/4d++m+/kZSeiguxU61LFWpo=
-github.com/pion/rtcp v1.2.5/go.mod h1:52rMNPWFsjr39z9B9MhnkqhPLoeHTv1aN63o/42bWE0=
+github.com/pion/rtcp v1.2.6/go.mod h1:52rMNPWFsjr39z9B9MhnkqhPLoeHTv1aN63o/42bWE0=
 github.com/pion/rtp v1.6.1 h1:2Y2elcVBrahYnHKN2X7rMHX/r1R4TEBMP1LaVu/wNhk=
 github.com/pion/rtp v1.6.1/go.mod h1:bDb5n+BFZxXx0Ea7E5qe+klMuqiBrP+w8XSjiWtCUko=
 github.com/pion/sctp v1.7.10/go.mod h1:EhpTUQu1/lcK3xI+eriS6/96fWetHGCvBi9MSsnaBN0=
 github.com/pion/sctp v1.7.11 h1:UCnj7MsobLKLuP/Hh+JMiI/6W5Bs/VF45lWKgHFjSIE=
 github.com/pion/sctp v1.7.11/go.mod h1:EhpTUQu1/lcK3xI+eriS6/96fWetHGCvBi9MSsnaBN0=
-github.com/pion/sdp/v3 v3.0.2 h1:UNnSPVaMM+Pdu/mR9UvAyyo6zkdYbKeuOooCwZvTl/g=
+github.com/pion/sdp/v3 v3.0.3 h1:gJK9hk+JFD2NGIM1nXmqNCq1DkVaIZ9dlA3u3otnkaw=
-github.com/pion/sdp/v3 v3.0.2/go.mod h1:bNiSknmJE0HYBprTHXKPQ3+JjacTv5uap92ueJZKsRk=
+github.com/pion/sdp/v3 v3.0.3/go.mod h1:bNiSknmJE0HYBprTHXKPQ3+JjacTv5uap92ueJZKsRk=
-github.com/pion/srtp v1.5.2 h1:25DmvH+fqKZDqvX64vTwnycVwL9ooJxHF/gkX16bDBY=
+github.com/pion/srtp/v2 v2.0.0-rc.3 h1:1fPiK1nJlNyh235tSGgBnXrPc99wK1/D707f6ntb3qY=
-github.com/pion/srtp v1.5.2/go.mod h1:NiBff/MSxUwMUwx/fRNyD/xGE+dVvf8BOCeXhjCXZ9U=
+github.com/pion/srtp/v2 v2.0.0-rc.3/go.mod h1:S6J9oY6ahAXdU3ni4nUwhWTJuBfssFjPxoB0u41TBpY=
 github.com/pion/stun v0.3.5 h1:uLUCBCkQby4S1cf6CGuR9QrVOKcvUwFeemaC865QHDg=
 github.com/pion/stun v0.3.5/go.mod h1:gDMim+47EeEtfWogA37n6qXZS88L5V6LqFcf+DZA2UA=
 github.com/pion/transport v0.8.10/go.mod h1:tBmha/UCjpum5hqTWhfAEs3CO4/tHSg0MYRhSzR+CZ8=
@@ -142,12 +144,16 @@ github.com/pion/transport v0.10.0 h1:9M12BSneJm6ggGhJyWpDveFOstJsTiQjkLf4M44rm80
 github.com/pion/transport v0.10.0/go.mod h1:BnHnUipd0rZQyTVB2SBGojFHT9CBt5C5TcsJSQGkvSE=
 github.com/pion/transport v0.10.1 h1:2W+yJT+0mOQ160ThZYUx5Zp2skzshiNgxrNE9GUfhJM=
 github.com/pion/transport v0.10.1/go.mod h1:PBis1stIILMiis0PewDw91WJeLJkyIMcEk+DwKOzf4A=
-github.com/pion/turn/v2 v2.0.4 h1:oDguhEv2L/4rxwbL9clGLgtzQPjtuZwCdoM7Te8vQVk=
+github.com/pion/transport v0.11.0 h1:Z1RhzqrWPPYj5Xed8P7pirTKTvXFoxDI3uJuuKu6akM=
-github.com/pion/turn/v2 v2.0.4/go.mod h1:1812p4DcGVbYVBTiraUmP50XoKye++AMkbfp+N27mog=
+github.com/pion/transport v0.11.0/go.mod h1:ORH8Ouyl1enoJyHwU+MwMeQocWbeorEk5068FOsHjog=
+github.com/pion/transport v0.12.0 h1:UFmOBBZkTZ3LgvLRf/NGrfWdZEubcU6zkLU3PsA9YvU=
+github.com/pion/transport v0.12.0/go.mod h1:N3+vZQD9HlDP5GWkZ85LohxNsDcNgofQmyL6ojX5d8Q=
+github.com/pion/turn/v2 v2.0.5 h1:iwMHqDfPEDEOFzwWKT56eFmh6DYC6o/+xnLAEzgISbA=
+github.com/pion/turn/v2 v2.0.5/go.mod h1:APg43CFyt/14Uy7heYUOGWdkem/Wu4PhCO/bjyrTqMw=
 github.com/pion/udp v0.1.0 h1:uGxQsNyrqG3GLINv36Ff60covYmfrLoxzwnCsIYspXI=
 github.com/pion/udp v0.1.0/go.mod h1:BPELIjbwE9PRbd/zxI/KYBnbo7B6+oA6YuEaNE8lths=
-github.com/pion/webrtc/v3 v3.0.0-beta.7 h1:wDzex7YkT3wErRGaW4yOs9ziCQeuVF04poWVTqQ8o/Q=
+github.com/pion/webrtc/v3 v3.0.0-beta.15 h1:Toh2b7di3TGO6X3aAhecW4YP4jfrXITmcq0vb2k5H8o=
-github.com/pion/webrtc/v3 v3.0.0-beta.7/go.mod h1:g2FHuaaKKuoZ9RlKIDAYvnO/rhocYG/d+2Ly1hRa85o=
+github.com/pion/webrtc/v3 v3.0.0-beta.15/go.mod h1:3ddDqLYD6D/dU+YAUoaAiPiSTH7hwf72qDITE5hMPf4=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -204,8 +210,8 @@ golang.org/x/crypto v0.0.0-20190313024323-a1f597ede03a/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a h1:vclmkQCjlDX5OydZ9wv8rBCcS0QyQY66Mpf/7BZbInM=
+golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897 h1:pLI5jrR7OSLijeIDcmRxNmw2api+jEfxLoykJVice/E=
-golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -229,8 +235,9 @@ golang.org/x/net v0.0.0-20200625001655-4c5254603344 h1:vGXIOMxbNfDTk/aXCmfdLgkrS
 golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20200707034311-ab3426394381 h1:VXak5I6aEWmAXeQjA+QSZzlgNrpq9mjcfDemuexIKsU=
 golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/net v0.0.0-20200822124328-c89045814202 h1:VvcQYSHwXgi7W+TpUR6A9g6Up98WAHf3f/ulnJ62IyA=
+golang.org/x/net v0.0.0-20201031054903-ff519b6c9102/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
+golang.org/x/net v0.0.0-20201201195509-5d6afe98e0b7 h1:3uJsdck53FDIpWwLeAXlia9p4C8j0BO2xZrqzKpL0D8=
+golang.org/x/net v0.0.0-20201201195509-5d6afe98e0b7/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181017192945-9dcd33a902f4/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@@ -259,12 +266,16 @@ golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20u
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200519105757-fe76b779f299 h1:DYfZAGf2WMFjMxbgTjaC+2HC7NkNAQs+6Q8b9WEB/F4=
 golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f h1:+Nyd8tzPX9R7BWHguqsrbFdRx3WQ/1ib8I44HXV5yTA=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

group/group.go

@@ -174,22 +174,36 @@ func Add(name string, desc *description) (*Group, error) {
 			s.SetICEMulticastDNSMode(ice.MulticastDNSModeDisabled)
 		}
 		m := webrtc.MediaEngine{}
-		m.RegisterCodec(webrtc.NewRTPVP8CodecExt(
+		m.RegisterCodec(
-			webrtc.DefaultPayloadTypeVP8, 90000,
+			webrtc.RTPCodecParameters{
+				RTPCodecCapability: webrtc.RTPCodecCapability{
+					"video/VP8", 90000, 0,
+					"",
 					[]webrtc.RTCPFeedback{
 						{"goog-remb", ""},
 						{"nack", ""},
 						{"nack", "pli"},
 						{"ccm", "fir"},
 					},
-			"",
+				},
-		))
+				PayloadType: 96,
-		m.RegisterCodec(webrtc.NewRTPOpusCodec(
+			},
-			webrtc.DefaultPayloadTypeOpus, 48000,
+			webrtc.RTPCodecTypeVideo,
-		))
+		)
+		m.RegisterCodec(
+			webrtc.RTPCodecParameters{
+				RTPCodecCapability: webrtc.RTPCodecCapability{
+					"audio/opus", 48000, 2,
+					"minptime=10;useinbandfec=1",
+					nil,
+				},
+				PayloadType: 111,
+			},
+			webrtc.RTPCodecTypeAudio,
+		)
 		groups.api = webrtc.NewAPI(
 			webrtc.WithSettingEngine(s),
-			webrtc.WithMediaEngine(m),
+			webrtc.WithMediaEngine(&m),
 		)
 	}
 

rtpconn/rtpconn.go

@@ -67,8 +67,9 @@ type iceConnection interface {
 }
 
 type rtpDownTrack struct {
-	track         *webrtc.Track
+	track         *webrtc.TrackLocalStaticRTP
 	remote        conn.UpTrack
+	ssrc          webrtc.SSRC
 	maxBitrate    *bitrate
 	rate          *estimator.Estimator
 	stats         *receiverStats
@@ -112,7 +113,7 @@ func newDownConn(c group.Client, id string, remote conn.Up) (*rtpDownConnection,
 		return nil, err
 	}
 
-	pc.OnTrack(func(remote *webrtc.Track, receiver *webrtc.RTPReceiver) {
+	pc.OnTrack(func(remote *webrtc.TrackRemote, receiver *webrtc.RTPReceiver) {
 		log.Printf("Got track on downstream connection")
 	})
 
@@ -176,7 +177,7 @@ func (down *rtpDownConnection) flushICECandidates() error {
 }
 
 type rtpUpTrack struct {
-	track    *webrtc.Track
+	track    *webrtc.TrackRemote
 	label    string
 	rate     *estimator.Estimator
 	cache    *packetcache.Cache
@@ -257,8 +258,8 @@ func (up *rtpUpTrack) Label() string {
 	return up.label
 }
 
-func (up *rtpUpTrack) Codec() *webrtc.RTPCodec {
+func (up *rtpUpTrack) Codec() webrtc.RTPCodecCapability {
-	return up.track.Codec()
+	return up.track.Codec().RTPCodecCapability
 }
 
 func (up *rtpUpTrack) hasRtcpFb(tpe, parameter string) bool {
@@ -344,7 +345,7 @@ func (up *rtpUpConnection) flushICECandidates() error {
 	return err
 }
 
-func getTrackMid(pc *webrtc.PeerConnection, track *webrtc.Track) string {
+func getTrackMid(pc *webrtc.PeerConnection, track *webrtc.TrackRemote) string {
 	for _, t := range pc.GetTransceivers() {
 		if t.Receiver() != nil && t.Receiver().Track() == track {
 			return t.Mid()
@@ -399,7 +400,7 @@ func newUpConn(c group.Client, id string) (*rtpUpConnection, error) {
 
 	up := &rtpUpConnection{id: id, pc: pc}
 
-	pc.OnTrack(func(remote *webrtc.Track, receiver *webrtc.RTPReceiver) {
+	pc.OnTrack(func(remote *webrtc.TrackRemote, receiver *webrtc.RTPReceiver) {
 		up.mu.Lock()
 
 		mid := getTrackMid(pc, remote)
@@ -475,9 +476,9 @@ func (up *rtpUpConnection) sendPLI(track *rtpUpTrack) error {
 	return sendPLI(up.pc, track.track.SSRC())
 }
 
-func sendPLI(pc *webrtc.PeerConnection, ssrc uint32) error {
+func sendPLI(pc *webrtc.PeerConnection, ssrc webrtc.SSRC) error {
 	return pc.WriteRTCP([]rtcp.Packet{
-		&rtcp.PictureLossIndication{MediaSSRC: ssrc},
+		&rtcp.PictureLossIndication{MediaSSRC: uint32(ssrc)},
 	})
 }
 
@@ -503,12 +504,12 @@ func (up *rtpUpConnection) sendFIR(track *rtpUpTrack, increment bool) error {
 	return sendFIR(up.pc, track.track.SSRC(), seqno)
 }
 
-func sendFIR(pc *webrtc.PeerConnection, ssrc uint32, seqno uint8) error {
+func sendFIR(pc *webrtc.PeerConnection, ssrc webrtc.SSRC, seqno uint8) error {
 	return pc.WriteRTCP([]rtcp.Packet{
 		&rtcp.FullIntraRequest{
 			FIR: []rtcp.FIREntry{
 				{
-					SSRC:           ssrc,
+					SSRC:           uint32(ssrc),
 					SequenceNumber: seqno,
 				},
 			},
@@ -558,10 +559,10 @@ func (up *rtpUpConnection) sendNACKs(track *rtpUpTrack, seqnos []uint16) error {
 	return err
 }
 
-func sendNACKs(pc *webrtc.PeerConnection, ssrc uint32, nacks []rtcp.NackPair) error {
+func sendNACKs(pc *webrtc.PeerConnection, ssrc webrtc.SSRC, nacks []rtcp.NackPair) error {
 	packet := rtcp.Packet(
 		&rtcp.TransportLayerNack{
-			MediaSSRC: ssrc,
+			MediaSSRC: uint32(ssrc),
 			Nacks:     nacks,
 		},
 	)
@@ -663,7 +664,7 @@ func rtcpUpListener(conn *rtpUpConnection, track *rtpUpTrack, r *webrtc.RTPRecei
 				}
 			case *rtcp.SourceDescription:
 				for _, c := range p.Chunks {
-					if c.Source != track.track.SSRC() {
+					if c.Source != uint32(track.track.SSRC()) {
 						continue
 					}
 					for _, i := range c.Items {
@@ -735,7 +736,7 @@ func sendUpRTCP(conn *rtpUpConnection) error {
 		}
 
 		reports = append(reports, rtcp.ReceptionReport{
-			SSRC:               t.track.SSRC(),
+			SSRC:               uint32(t.track.SSRC()),
 			FractionLost:       uint8((lost * 256) / expected),
 			TotalLost:          totalLost,
 			LastSequenceNumber: eseqno,
@@ -767,7 +768,7 @@ func sendUpRTCP(conn *rtpUpConnection) error {
 		if t.hasRtcpFb("goog-remb", "") {
 			continue
 		}
-		ssrcs = append(ssrcs, t.track.SSRC())
+		ssrcs = append(ssrcs, uint32(t.track.SSRC()))
 	}
 
 	if len(ssrcs) > 0 {
@@ -823,7 +824,7 @@ func sendSR(conn *rtpDownConnection) error {
 			p, b := t.rate.Totals()
 			packets = append(packets,
 				&rtcp.SenderReport{
-					SSRC:        t.track.SSRC(),
+					SSRC:        uint32(t.ssrc),
 					NTPTime:     nowNTP,
 					RTPTime:     nowRTP,
 					PacketCount: p,
@@ -843,7 +844,7 @@ func sendSR(conn *rtpDownConnection) error {
 				&rtcp.SourceDescription{
 					Chunks: []rtcp.SourceDescriptionChunk{
 						{
-							Source: t.track.SSRC(),
+							Source: uint32(t.ssrc),
 							Items:  []rtcp.SourceDescriptionItem{item},
 						},
 					},
@@ -953,7 +954,7 @@ func rtcpDownListener(conn *rtpDownConnection, track *rtpDownTrack, s *webrtc.RT
 				found := false
 				var seqno uint8
 				for _, entry := range p.FIR {
-					if entry.SSRC == track.track.SSRC() {
+					if entry.SSRC == uint32(track.ssrc) {
 						found = true
 						seqno = entry.SequenceNumber
 						break
@@ -992,13 +993,13 @@ func rtcpDownListener(conn *rtpDownConnection, track *rtpDownTrack, s *webrtc.RT
 				conn.maxREMBBitrate.Set(p.Bitrate, jiffies)
 			case *rtcp.ReceiverReport:
 				for _, r := range p.Reports {
-					if r.SSRC == track.track.SSRC() {
+					if r.SSRC == uint32(track.ssrc) {
 						handleReport(track, r, jiffies)
 					}
 				}
 			case *rtcp.SenderReport:
 				for _, r := range p.Reports {
-					if r.SSRC == track.track.SSRC() {
+					if r.SSRC == uint32(track.ssrc) {
 						handleReport(track, r, jiffies)
 					}
 				}
@@ -1037,7 +1038,7 @@ func handleReport(track *rtpDownTrack, report rtcp.ReceptionReport, jiffies uint
 	}
 }
 
-func minPacketCache(track *webrtc.Track) int {
+func minPacketCache(track *webrtc.TrackRemote) int {
 	if track.Kind() == webrtc.RTPCodecTypeVideo {
 		return 128
 	}

rtpconn/rtpreader.go

@@ -3,6 +3,7 @@ package rtpconn
 import (
 	"io"
 	"log"
+	"strings"
 
 	"github.com/pion/rtp"
 	"github.com/pion/rtp/codecs"
@@ -31,7 +32,7 @@ func readLoop(conn *rtpUpConnection, track *rtpUpTrack) {
 	}()
 
 	isvideo := track.track.Kind() == webrtc.RTPCodecTypeVideo
-	codec := track.track.Codec().Name
+	codec := track.track.Codec()
 	sendNACK := track.hasRtcpFb("nack", "")
 	buf := make([]byte, packetcache.BufSize)
 	var packet rtp.Packet
@@ -54,7 +55,7 @@ func readLoop(conn *rtpUpConnection, track *rtpUpTrack) {
 		track.jitter.Accumulate(packet.Timestamp)
 
 		kf := false
-		if isvideo && codec == webrtc.VP8 {
+		if isvideo && strings.ToLower(codec.MimeType) == "video/vp8" {
 			kf = isVP8Keyframe(&packet)
 		}
 

rtpconn/rtpwriter.go

@@ -4,10 +4,10 @@ import (
 	"errors"
 	"log"
 	"sort"
+	"strings"
 	"time"
 
 	"github.com/pion/rtp"
-	"github.com/pion/webrtc/v3"
 
 	"sfu/conn"
 	"sfu/packetcache"
@@ -241,7 +241,7 @@ const (
 func rtpWriterLoop(writer *rtpWriter, up *rtpUpConnection, track *rtpUpTrack) {
 	defer close(writer.done)
 
-	codec := track.track.Codec().Name
+	codec := track.track.Codec()
 
 	buf := make([]byte, packetcache.BufSize)
 	var packet rtp.Packet
@@ -277,7 +277,8 @@ func rtpWriterLoop(writer *rtpWriter, up *rtpUpConnection, track *rtpUpTrack) {
 
 				found, _, lts := track.cache.Last()
 				kts, _, kf := track.cache.Keyframe()
-				if codec == webrtc.VP8 && found && len(kf) > 0 {
+				if strings.ToLower(codec.MimeType) == "video/vp8" &&
+					found && len(kf) > 0 {
 					if ((lts-kts)&0x80000000) != 0 ||
 						lts-kts < 2*90000 {
 						// we got a recent keyframe
@@ -344,8 +345,8 @@ func rtpWriterLoop(writer *rtpWriter, up *rtpUpConnection, track *rtpUpTrack) {
 			if kfNeeded > kfUnneeded {
 				kf := false
 				kfValid := false
-				switch codec {
+				switch codec.MimeType {
-				case webrtc.VP8:
+				case "video/vp8":
 					kf = isVP8Keyframe(&packet)
 					kfValid = true
 				}

rtpconn/webclient.go

@@ -381,31 +381,32 @@ func delDownConnHelper(c *webClient, id string) *rtpDownConnection {
 }
 
 func addDownTrack(c *webClient, conn *rtpDownConnection, remoteTrack conn.UpTrack, remoteConn conn.Up) (*webrtc.RTPSender, error) {
-	var pt uint8
+	rt, ok := remoteTrack.(*rtpUpTrack)
-	var ssrc uint32
+	if !ok {
-	var id, label string
+		return nil, errors.New("unexpected up track type")
-	switch rt := remoteTrack.(type) {
-	case *rtpUpTrack:
-		pt = rt.track.PayloadType()
-		ssrc = rt.track.SSRC()
-		id = rt.track.ID()
-		label = rt.track.Label()
-	default:
-		return nil, errors.New("not implemented yet")
 	}
 
-	local, err := conn.pc.NewTrack(pt, ssrc, id, label)
+	local, err := webrtc.NewTrackLocalStaticRTP(
+		remoteTrack.Codec(),
+		rt.track.ID(), rt.track.StreamID(),
+	)
 	if err != nil {
 		return nil, err
 	}
 
-	s, err := conn.pc.AddTrack(local)
+	sender, err := conn.pc.AddTrack(local)
 	if err != nil {
 		return nil, err
 	}
 
+	parms := sender.GetParameters()
+	if len(parms.Encodings) != 1 {
+		return nil, errors.New("got multiple encodings")
+	}
+
 	track := &rtpDownTrack{
 		track:      local,
+		ssrc:       parms.Encodings[0].SSRC,
 		remote:     remoteTrack,
 		maxBitrate: new(bitrate),
 		stats:      new(receiverStats),
@@ -413,9 +414,9 @@ func addDownTrack(c *webClient, conn *rtpDownConnection, remoteTrack conn.UpTrac
 	}
 	conn.tracks = append(conn.tracks, track)
 
-	go rtcpDownListener(conn, track, s)
+	go rtcpDownListener(conn, track, sender)
 
-	return s, nil
+	return sender, nil
 }
 
 func negotiate(c *webClient, down *rtpDownConnection, renegotiate, restartIce bool) error {
@@ -432,7 +433,7 @@ func negotiate(c *webClient, down *rtpDownConnection, renegotiate, restartIce bo
 
 	labels := make(map[string]string)
 	for _, t := range down.pc.GetTransceivers() {
-		var track *webrtc.Track
+		var track webrtc.TrackLocal
 		if t.Sender() != nil {
 			track = t.Sender().Track()
 		}