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ICE properly starts now

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This commit is contained in:
Sean DuBois
2018-05-30 02:04:01 -07:00
parent 0dfa6365dc
commit 6d30c80c51
2 changed files with 31 additions and 24 deletions
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4
main.go
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@@ -6,5 +6,7 @@ import (
)
func main() {
fmt.Println(base64.StdEncoding.EncodeToString([]byte(generateVP8OnlyAnswer().Marshal())))
a := generateVP8OnlyAnswer().Marshal()
fmt.Println(a)
fmt.Println(base64.StdEncoding.EncodeToString([]byte(a)))
}

51
sdp_helper.go
View File

@@ -14,48 +14,53 @@ import (
func generateVP8OnlyAnswer() *sdp.SessionDescription {
videoMediaDescription := &sdp.MediaDescription{
MediaName: "video 9 UDP/TLS/RTP/SAVPF 96 97",
ConnectionData: "IN IP4 0.0.0.0",
MediaName: "video 7 RTP/SAVPF 96 97",
ConnectionData: "IN IP4 127.0.0.1",
Attributes: []string{
"rtcp:9 IN IP4 0.0.0.0",
// TODO kc5nra proper fingerprint
"fingerprint:sha-256 26:12:82:57:36:FC:E3:3A:51:2E:A0:A8:33:BA:CC:A1:CD:9E:0B:FD:B5:CE:00:8C:23:F8:3B:A8:C4:B0:17:87",
"setup:active",
"mid:video",
"recvonly",
"rtcp-mux",
"rtcp-rsize",
"rtpmap:96 VP8/90000",
"rtpmap:97 rtx/90000",
"fmtp:97 apt=96",
"rtcp-fb:96 goog-remb",
"rtcp-fb:96 transport-cc",
"rtcp-fb:96 ccm fir",
"rtcp-fb:96 nack",
"rtcp-fb:96 nack pli",
"rtpmap:97 rtx/90000",
"fmtp:97 apt=96",
"ice-ufrag:" + randSeq(4),
"ice-pwd:" + randSeq(24),
"extmap:2 urn:ietf:params:rtp-hdrext:toffset",
"extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time",
"extmap:4 urn:3gpp:video-orientation",
"setup:active",
"mid:video",
"recvonly",
"ice-ufrag:" + randSeq(16),
"ice-pwd:" + randSeq(32),
"ice-options:renomination",
"rtcp-mux",
"rtcp-rsize",
},
}
// Generate only UDP host candidates for ICE
basePriority := rand.Int()
for _, c := range hostCandidates() {
id := rand.Int()
videoMediaDescription.Attributes = append(videoMediaDescription.Attributes, fmt.Sprintf("candidate:%d 1 UDP %d %s 1816 typ host", id, basePriority, c))
videoMediaDescription.Attributes = append(videoMediaDescription.Attributes, fmt.Sprintf("candidate:%d 2 UDP %d %s 1816 typ host", id, basePriority, c))
basePriority := uint16(rand.Uint32() & (1<<16 - 1))
dstPort := 1816
for id, c := range hostCandidates() {
videoMediaDescription.Attributes = append(videoMediaDescription.Attributes, fmt.Sprintf("candidate:udpcandidate %d udp %d %s %d typ host", id, basePriority, c, dstPort))
basePriority = basePriority + 1
dstPort = dstPort + 1
}
videoMediaDescription.Attributes = append(videoMediaDescription.Attributes, "end-of-candidates")
sessionId := strconv.FormatUint(uint64(rand.Uint32())<<32+uint64(rand.Uint32()), 10)
return &sdp.SessionDescription{
ProtocolVersion: 0,
Origin: "- " + sessionId + " 2 IN IP4 127.0.0.1",
Origin: "pion-webrtc " + sessionId + " 2 IN IP4 0.0.0.0",
SessionName: "-",
Timing: []string{"0 0"},
Attributes: []string{
"group:BUNDLE audio video",
"msid-semantic: WMS",
"ice-lite",
// TODO kc5nra proper fingerprint
"fingerprint:sha-512 4E:DD:25:41:95:51:85:B6:6A:29:42:FF:56:5B:41:47:2C:6C:67:36:7D:97:91:5A:65:C7:E1:76:1B:6E:D3:22:45:B4:9F:DF:EA:93:FF:20:F4:CB:A8:53:AF:50:DA:87:5A:C5:4C:5B:F6:4C:50:DC:D9:29:A3:C0:19:7A:17:48",
"msid-semantic: WMS *",
"group:BUNDLE video",
},
MediaDescriptions: []*sdp.MediaDescription{
videoMediaDescription,