为什么 Pion/WebRTC 生成的候选列表中没有 TCP 地址？

huangapple
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英文:

why there pion/webrtc generate candidate list have no tcp address

问题

我想使用golang的pion/webrtc库将本地视频文件发布到一个视频服务器，但是这个视频服务器只支持TCP连接。当我使用pion/webrtc代码生成offer SDP并且候选者列表中没有TCP候选者时，ICE连接失败。

当我使用Chrome作为webrtc客户端发布摄像头视频时，它是成功的，我不知道如何让Chrome禁用TCP候选者，我检查了来自Chrome和pion/webrtc的候选者，我发现它们之间的区别在于TCP地址，我尝试了所有方法让pion/webrtc生成一个TCP候选者地址，但都失败了，请帮助我。

这是我的代码：

  1. package main
  3. import (
  4. 	"fmt"
  5. 	"io"
  6. 	"os"
  7. 	"path/filepath"
  8. 	"sync"
  9. 	"time"
  11. 	"github.com/google/uuid"
  12. 	"github.com/pion/webrtc/v3"
  13. 	"github.com/pion/webrtc/v3/pkg/media"
  14. 	"github.com/pion/webrtc/v3/pkg/media/h264reader"
  15. )
  17. func main() {
  19. 	// 创建PeerConnection配置
  20. 	config := webrtc.Configuration{
  21. 		ICEServers: []webrtc.ICEServer{
  22. 			{
  23. 				URLs: []string{"stun:stun.l.google.com:19302"},
  24. 			},
  25. 		},
  26. 		ICETransportPolicy: webrtc.ICETransportPolicyAll,
  27. 	}
  29. 	// 创建PeerConnection
  30. 	peerConnection, err := webrtc.NewPeerConnection(config)
  31. 	if err != nil {
  32. 		panic(err)
  33. 	}
  35. 	videoTrack, err := NewH264LocalStaticSampleVideoTrack("test.h264", 25)
  36. 	if err != nil {
  37. 		panic(err)
  38. 	}
  40. 	if rtpSender, err := peerConnection.AddTrack(videoTrack); err != nil {
  41. 		panic(err)
  42. 	} else {
  43. 		go func() {
  44. 			for {
  46. 				buf := make([]byte, 1024*1024)
  47. 				var rtcpErr error
  48. 				if _, _, rtcpErr = rtpSender.Read(buf); rtcpErr != nil {
  49. 					fmt.Printf("read error: %v", rtcpErr.Error())
  50. 					return
  51. 				}
  52. 			}
  53. 		}()
  54. 	}
  56. 	offer, err := peerConnection.CreateOffer(nil)
  57. 	if err != nil {
  58. 		panic(err)
  59. 	}
  60. 	err = peerConnection.SetLocalDescription(offer)
  61. 	if err != nil {
  62. 		panic(err)
  63. 	}
  65. 	wait := webrtc.GatheringCompletePromise(peerConnection)
  66. 	<-wait
  68. 	fmt.Printf("Local SDP: %v", peerConnection.LocalDescription().SDP)
  69. }
  71. func NewH264LocalStaticSampleVideoTrack(videoFile string, fps int) (videoTrack *webrtc.TrackLocalStaticSample, err error) {
  72. 	if videoFile == "" {
  73. 		err = fmt.Errorf("videoFile is empty")
  74. 		return
  75. 	}
  77. 	var videoFileAbs string
  78. 	videoFileAbs, err = filepath.Abs(videoFile)
  79. 	if err != nil {
  80. 		return
  81. 	}
  83. 	_, err = os.Stat(videoFileAbs)
  84. 	if err != nil {
  85. 		return
  86. 	}
  88. 	videoTrack, err = webrtc.NewTrackLocalStaticSample(webrtc.RTPCodecCapability{
  89. 		MimeType: webrtc.MimeTypeH264,
  90. 	}, "video", fmt.Sprintf("rtckit/%s", uuid.New().String()))
  91. 	if err != nil {
  92. 		return
  93. 	}
  95. 	go h264VideoFileConsumer(videoTrack, videoFileAbs, time.Duration(1000/fps)*time.Millisecond)
  97. 	return
  98. }
  100. func h264VideoFileConsumer(videoTrack *webrtc.TrackLocalStaticSample, videoFile string, videoFps time.Duration) {
  101. 	for {
  102. 		file, h264Err := os.Open(videoFile)
  103. 		if h264Err != nil {
  105. 			continue
  106. 		}
  108. 		h264, h264Err := h264reader.NewReader(file)
  109. 		if h264Err != nil {
  111. 			continue
  112. 		}
  114. 		buf := make(chan []byte, 1024*1024) // 1MB?
  116. 		var wg sync.WaitGroup
  118. 		wg.Add(2)
  119. 		go func() {
  120. 			defer wg.Done()
  121. 			for data := range buf {
  122. 				sample := media.Sample{Data: data, Duration: videoFps}
  124. 				if h264Err1 := videoTrack.WriteSample(sample); h264Err1 != nil {
  126. 					continue
  127. 				}
  128. 			}
  129. 		}()
  131. 		go func() {
  132. 			defer wg.Done()
  133. 			ticker := time.NewTicker(videoFps)
  134. 			for ; true; <-ticker.C {
  135. 				nal, h264Err := h264.NextNAL()
  136. 				if h264Err == io.EOF {
  138. 					break
  139. 				}
  140. 				if h264Err != nil {
  142. 					break
  143. 				}
  145. 				buf <- nal.Data
  146. 			}
  148. 			close(buf)
  149. 		}()
  151. 		wg.Wait()
  152. 		_ = file.Close()
  153. 	}
  154. }

这是我得到的offer：

  1. offer2: v=0
  2. o=- 3976125905671053001 1681720949 IN IP4 0.0.0.0
  3. s=-
  4. t=0 0
  5. a=fingerprint:sha-256 31:A1:C7:4B:05:14:A3:7E:FE:CA:9C:4D:91:F0:29:6C:01:BF:20:67:DF:AA:EA:06:29:A4:DD:3F:F0:AA:5B:BD
  6. a=extmap-allow-mixed
  7. a=group:BUNDLE 0
  8. m=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99 100 101 102 121 127 120 125 107 108 109 123 118 116
  9. c=IN IP4 0.0.0.0
  10. a=setup:actpass
  11. a=mid:0
  12. a=ice-ufrag:ZjDGAGZtPHgWMfWa
  13. a=ice-pwd:bJJRYUMfPcshoPCHTSfkyfrzwiJIiQkm
  14. a=rtcp-mux
  15. a=rtcp-rsize
  16. a=rtpmap:96 VP8/90000
  17. a=rtcp-fb:96 goog-remb 
  18. a=rtcp-fb:96 ccm fir
  19. a=rtcp-fb:96 nack 
  20. a=rtcp-fb:96 nack pli
  21. a=rtcp-fb:96 nack 
  22. a=rtcp-fb:96 nack pli
  23. a=rtcp-fb:96 transport-cc 
  24. a=rtpmap:97 rtx/90000
  25. a=fmtp:97 apt=96
  26. a=rtcp-fb:97 nack 
  27. a=rtcp-fb:97 nack pli
  28. a=rtcp-fb:97 transport-cc 
  29. a=rtpmap:98 VP9/90000
  30. a=fmtp:98 profile-id=0
  31. a=rtcp-fb:98 goog-remb 
  32. a=rtcp-fb:98 ccm fir
  33. a=rtcp-fb:98 nack 
  34. a=rtcp-fb:98 nack pli
  35. a=rtcp-fb:98 nack 
  36. a=rtcp-fb:98 nack pli
  37. a=rtcp-fb:98 transport-cc 
  38. a=rtpmap:99 rtx/90000
  39. a=fmtp:99 apt=98
  40. a=rtcp-fb:99 nack 
  41. a=rtcp-fb:99 nack pli
  42. a=rtcp-fb:99 transport-cc 
  43. a=rtpmap:100 VP9/90000
  44. a=fmtp:100 profile-id=1
  45. a=rtcp-fb:100 goog-remb 
  46. a=rtcp-fb:100 ccm fir
  47. a=rtcp-fb:100 nack 
  48. a=rtcp-fb:100 nack pli
  49. a=rtcp-fb:100 nack 
  50. a=rtcp-fb:100 nack pli
  51. a=rtcp-fb:100 transport-cc 
  52. a=rtpmap:101 rtx/90000
  53. a=fmtp:101 apt=100
  54. a=rtcp-fb:101 nack 
  55. a=rtcp-fb:101 nack pli
  56. a=rtcp-fb:101 transport-cc 
  57. a=rtpmap:102 H264/90000
  58. a=fmtp:102 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f
  59. a=rtcp-fb:102 goog-remb 
  60. a=rtcp-fb:102 ccm fir
  61. a=rtcp-fb:102 nack 
  62. a=rtcp-fb:102 nack pli
  63. a=rtcp-fb:102 nack 
  64. a=rtcp-fb:102 nack pli
  65. a=rtcp-fb:102 transport-cc 
  66. a=rtpmap:121 rtx/90000
  67. a=fmtp:121 apt=102
  68. a=rtcp-fb:121 nack 
  69. a=rtcp-fb:121 nack pli
  70. a=rtcp-fb:121 transport-cc 
  71. a=rtpmap:127 H264/90000
  72. a=fmtp:127 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f
  73. a=rtcp-fb:127 goog-remb 
  74. a=rtcp-fb:127 ccm fir
  75. a=rtcp-fb:127 nack 
  76. a=rtcp-fb:127 nack pli
  77. a=rtcp-fb:127 nack 
  78. a=rtcp-fb:127 nack pli
  79. a=rtcp-fb:127 transport-cc 
  80. a=rtpmap:120 rtx/90000
  81. a=fmtp:120 apt=127
  82. a=rtcp-fb:120 nack 
  83. a=rtcp-fb:120 nack pli
  84. a=rtcp-fb:120 transport-cc 
  85. a=rtpmap:125 H264/90000
  86. a=fmtp:125 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
  87. a=rtcp-fb:125 goog-remb 
  88. a=rtcp-fb:125 ccm fir
  89. a=rtcp-fb:125 nack 
  90. a=rtcp-fb:125 nack pli
  91. a=rtcp-fb:125 nack 
  92. a=rtcp-fb:125 nack pli
  93. a=rtcp-fb:125 transport-cc 
  94. a=rtpmap:107 rtx/90000
  95. a=fmtp:107 apt=125
  96. a=rtcp-fb:107 nack 
  97. a=rtcp-fb:107 nack pli
  98. a=rtcp-fb:107 transport-cc 
  99. a=rtpmap:108 H264/90000
  100. a=fmtp:108 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42e01f
  101. a=rtcp-fb:108 goog-remb 
  102. a=rtcp-fb:108 ccm fir
  103. a=rtcp-fb:108 nack 
  104. a=rtcp-fb:108 nack pli
  105. a=rtcp-fb:108 nack 
  106. a=rtcp-fb:108 nack pli
  107. a=rtcp-fb:108 transport-cc 
  108. a=rtpmap:109 rtx/90000
  109. a=fmtp:109 apt=108
  110. a=rtcp-fb:109 nack 
  111. a=rtcp-fb:109 nack pli
  112. a=rtcp-fb:109 transport-cc 
  113. a=rtpmap:123 H264/90000
  114. a=fmtp:123 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640032
  115. a=rtcp-fb:123 goog-remb 
  116. a=rtcp-fb:123 ccm fir
  117. a=rtcp-fb:123 nack 
  118. a=rtcp-fb:123 nack pli
  119. a=rtcp-fb:123 nack 
  120. a=rtcp-fb:123 nack pli
  121. a=rtcp-fb:123 transport-cc 
  122. a=rtpmap:118 rtx/90000
  123. a=fmtp:118 apt=123
  124. a=rtcp-fb:118 nack 
  125. a=rtcp-fb:118 nack pli
  126. a=rtcp-fb:118 transport-cc 
  127. a=rtpmap:116 ulpfec/90000
  128. a=rtcp-fb:116 nack 
  129. a=rtcp-fb:116 nack pli
  130. a=rtcp-fb:116 transport-cc 
  131. a=extmap:1 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
  132. a=ssrc:554659860 cname:rtckit/53bd9691-40c4-4a58-9165-c7579c4b5031
  133. a=ssrc:554659860 msid:rtckit/53bd9691-40c4-4a58-9165-c7579c4b5031 video
  134. a=ssrc:554659860 mslabel:rtckit/53bd9691-40c4-4a58-9165-c7579c4b5031
  135. a=ssrc:554659860 label:video
  136. a=msid:rtckit/53bd9691-40c4-4a58-9165-c7579c4b5031 video
  137. a=sendrecv
  138. a=candidate:4113284106 1 udp 2130706431 101.4.122.16 41267 typ host
  139. a=candidate:4113284106 2 udp 2130706431 101.4.122.16 41267 typ host
  140. a=candidate:3528925834 1 udp 2130706431 172.18.0.1 33655 typ host
  141. a=candidate:3528925834 2 udp 2130706431 172.18.0.1 33655 typ host
  142. a=candidate:233762139 1 udp 2130706431 172.17.0.1 53508 typ host
  143. a=candidate:233762139 2 udp 2130706431 172.17.0.1 53508 typ host
  144. a=candidate:300762037 1 udp 1694498815 178.173.224.70 56107 typ srflx raddr 0.0.0.0 rport 56107
  145. a=candidate:300762037 2 udp 1694498815 178.173.224.70 56107 typ srflx raddr 0.0.0.0 rport 56107
  146. a=end-of-candidates

祝一切顺利~

英文:

I want use golang pion/webrtc to publish local video file to a video server, bug this video server only support TCP connection, when i generate offer SDP by pion/webrtc code and candidate list have no one TCP candidate, so ICE connect failed.
When I use chrome as a webrtc client to publish camera video, it's success, I don't how to make chrome disable TCP candidate, I checked candidcate from chrome and pion/webrtc, I found the difference is the candidate TCP address, I tried all way to let pion/webrtc generate an TCP candidate address, but all failed, please help me.

there is my code:

  1. package main
  3. import (
  4. 	&quot;fmt&quot;
  5. 	&quot;io&quot;
  6. 	&quot;os&quot;
  7. 	&quot;path/filepath&quot;
  8. 	&quot;sync&quot;
  9. 	&quot;time&quot;
  11. 	&quot;github.com/google/uuid&quot;
  12. 	&quot;github.com/pion/webrtc/v3&quot;
  13. 	&quot;github.com/pion/webrtc/v3/pkg/media&quot;
  14. 	&quot;github.com/pion/webrtc/v3/pkg/media/h264reader&quot;
  15. )
  17. func main() {
  19. 	// 创建PeerConnection配置
  20. 	config := webrtc.Configuration{
  21. 		ICEServers: []webrtc.ICEServer{
  22. 			{
  23. 				URLs: []string{&quot;stun:stun.l.google.com:19302&quot;},
  24. 			},
  25. 		},
  26. 		ICETransportPolicy: webrtc.ICETransportPolicyAll,
  27. 	}
  29. 	// 创建PeerConnection
  30. 	peerConnection, err := webrtc.NewPeerConnection(config)
  31. 	if err != nil {
  32. 		panic(err)
  33. 	}
  35. 	videoTrack, err := NewH264LocalStaticSampleVideoTrack(&quot;test.h264&quot;, 25)
  36. 	if err != nil {
  37. 		panic(err)
  38. 	}
  40. 	if rtpSender, err := peerConnection.AddTrack(videoTrack); err != nil {
  41. 		panic(err)
  42. 	} else {
  43. 		go func() {
  44. 			for {
  46. 				buf := make([]byte, 1024*1024)
  47. 				var rtcpErr error
  48. 				if _, _, rtcpErr = rtpSender.Read(buf); rtcpErr != nil {
  49. 					fmt.Printf(&quot;read error: %v&quot;, rtcpErr.Error())
  50. 					return
  51. 				}
  52. 			}
  53. 		}()
  54. 	}
  56. 	offer, err := peerConnection.CreateOffer(nil)
  57. 	if err != nil {
  58. 		panic(err)
  59. 	}
  60. 	err = peerConnection.SetLocalDescription(offer)
  61. 	if err != nil {
  62. 		panic(err)
  63. 	}
  65. 	wait := webrtc.GatheringCompletePromise(peerConnection)
  66. 	&lt;-wait
  68. 	fmt.Printf(&quot;Local SDP: %v&quot;, peerConnection.LocalDescription().SDP)
  69. }
  71. func NewH264LocalStaticSampleVideoTrack(videoFile string, fps int) (videoTrack *webrtc.TrackLocalStaticSample, err error) {
  72. 	if videoFile == &quot;&quot; {
  73. 		err = fmt.Errorf(&quot;videoFile is empty&quot;)
  74. 		return
  75. 	}
  77. 	var videoFileAbs string
  78. 	videoFileAbs, err = filepath.Abs(videoFile)
  79. 	if err != nil {
  80. 		return
  81. 	}
  83. 	_, err = os.Stat(videoFileAbs)
  84. 	if err != nil {
  85. 		return
  86. 	}
  88. 	videoTrack, err = webrtc.NewTrackLocalStaticSample(webrtc.RTPCodecCapability{
  89. 		MimeType: webrtc.MimeTypeH264,
  90. 	}, &quot;video&quot;, fmt.Sprintf(&quot;rtckit/%s&quot;, uuid.New().String()))
  91. 	if err != nil {
  92. 		return
  93. 	}
  95. 	go h264VideoFileConsumer(videoTrack, videoFileAbs, time.Duration(1000/fps)*time.Millisecond)
  97. 	return
  98. }
  100. func h264VideoFileConsumer(videoTrack *webrtc.TrackLocalStaticSample, videoFile string, videoFps time.Duration) {
  101. 	for {
  102. 		file, h264Err := os.Open(videoFile)
  103. 		if h264Err != nil {
  105. 			continue
  106. 		}
  108. 		h264, h264Err := h264reader.NewReader(file)
  109. 		if h264Err != nil {
  111. 			continue
  112. 		}
  114. 		buf := make(chan []byte, 1024*1024) // 1MB?
  116. 		var wg sync.WaitGroup
  118. 		wg.Add(2)
  119. 		go func() {
  120. 			defer wg.Done()
  121. 			for data := range buf {
  122. 				sample := media.Sample{Data: data, Duration: videoFps}
  124. 				if h264Err1 := videoTrack.WriteSample(sample); h264Err1 != nil {
  126. 					continue
  127. 				}
  128. 			}
  129. 		}()
  131. 		go func() {
  132. 			defer wg.Done()
  133. 			ticker := time.NewTicker(videoFps)
  134. 			for ; true; &lt;-ticker.C {
  135. 				nal, h264Err := h264.NextNAL()
  136. 				if h264Err == io.EOF {
  138. 					break
  139. 				}
  140. 				if h264Err != nil {
  142. 					break
  143. 				}
  145. 				buf &lt;- nal.Data
  146. 			}
  148. 			close(buf)
  149. 		}()
  151. 		wg.Wait()
  152. 		_ = file.Close()
  153. 	}
  154. }

this the offer i get:

  1. offer2: v=0
  2. o=- 3976125905671053001 1681720949 IN IP4 0.0.0.0
  3. s=-
  4. t=0 0
  5. a=fingerprint:sha-256 31:A1:C7:4B:05:14:A3:7E:FE:CA:9C:4D:91:F0:29:6C:01:BF:20:67:DF:AA:EA:06:29:A4:DD:3F:F0:AA:5B:BD
  6. a=extmap-allow-mixed
  7. a=group:BUNDLE 0
  8. m=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99 100 101 102 121 127 120 125 107 108 109 123 118 116
  9. c=IN IP4 0.0.0.0
  10. a=setup:actpass
  11. a=mid:0
  12. a=ice-ufrag:ZjDGAGZtPHgWMfWa
  13. a=ice-pwd:bJJRYUMfPcshoPCHTSfkyfrzwiJIiQkm
  14. a=rtcp-mux
  15. a=rtcp-rsize
  16. a=rtpmap:96 VP8/90000
  17. a=rtcp-fb:96 goog-remb 
  18. a=rtcp-fb:96 ccm fir
  19. a=rtcp-fb:96 nack 
  20. a=rtcp-fb:96 nack pli
  21. a=rtcp-fb:96 nack 
  22. a=rtcp-fb:96 nack pli
  23. a=rtcp-fb:96 transport-cc 
  24. a=rtpmap:97 rtx/90000
  25. a=fmtp:97 apt=96
  26. a=rtcp-fb:97 nack 
  27. a=rtcp-fb:97 nack pli
  28. a=rtcp-fb:97 transport-cc 
  29. a=rtpmap:98 VP9/90000
  30. a=fmtp:98 profile-id=0
  31. a=rtcp-fb:98 goog-remb 
  32. a=rtcp-fb:98 ccm fir
  33. a=rtcp-fb:98 nack 
  34. a=rtcp-fb:98 nack pli
  35. a=rtcp-fb:98 nack 
  36. a=rtcp-fb:98 nack pli
  37. a=rtcp-fb:98 transport-cc 
  38. a=rtpmap:99 rtx/90000
  39. a=fmtp:99 apt=98
  40. a=rtcp-fb:99 nack 
  41. a=rtcp-fb:99 nack pli
  42. a=rtcp-fb:99 transport-cc 
  43. a=rtpmap:100 VP9/90000
  44. a=fmtp:100 profile-id=1
  45. a=rtcp-fb:100 goog-remb 
  46. a=rtcp-fb:100 ccm fir
  47. a=rtcp-fb:100 nack 
  48. a=rtcp-fb:100 nack pli
  49. a=rtcp-fb:100 nack 
  50. a=rtcp-fb:100 nack pli
  51. a=rtcp-fb:100 transport-cc 
  52. a=rtpmap:101 rtx/90000
  53. a=fmtp:101 apt=100
  54. a=rtcp-fb:101 nack 
  55. a=rtcp-fb:101 nack pli
  56. a=rtcp-fb:101 transport-cc 
  57. a=rtpmap:102 H264/90000
  58. a=fmtp:102 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f
  59. a=rtcp-fb:102 goog-remb 
  60. a=rtcp-fb:102 ccm fir
  61. a=rtcp-fb:102 nack 
  62. a=rtcp-fb:102 nack pli
  63. a=rtcp-fb:102 nack 
  64. a=rtcp-fb:102 nack pli
  65. a=rtcp-fb:102 transport-cc 
  66. a=rtpmap:121 rtx/90000
  67. a=fmtp:121 apt=102
  68. a=rtcp-fb:121 nack 
  69. a=rtcp-fb:121 nack pli
  70. a=rtcp-fb:121 transport-cc 
  71. a=rtpmap:127 H264/90000
  72. a=fmtp:127 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f
  73. a=rtcp-fb:127 goog-remb 
  74. a=rtcp-fb:127 ccm fir
  75. a=rtcp-fb:127 nack 
  76. a=rtcp-fb:127 nack pli
  77. a=rtcp-fb:127 nack 
  78. a=rtcp-fb:127 nack pli
  79. a=rtcp-fb:127 transport-cc 
  80. a=rtpmap:120 rtx/90000
  81. a=fmtp:120 apt=127
  82. a=rtcp-fb:120 nack 
  83. a=rtcp-fb:120 nack pli
  84. a=rtcp-fb:120 transport-cc 
  85. a=rtpmap:125 H264/90000
  86. a=fmtp:125 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
  87. a=rtcp-fb:125 goog-remb 
  88. a=rtcp-fb:125 ccm fir
  89. a=rtcp-fb:125 nack 
  90. a=rtcp-fb:125 nack pli
  91. a=rtcp-fb:125 nack 
  92. a=rtcp-fb:125 nack pli
  93. a=rtcp-fb:125 transport-cc 
  94. a=rtpmap:107 rtx/90000
  95. a=fmtp:107 apt=125
  96. a=rtcp-fb:107 nack 
  97. a=rtcp-fb:107 nack pli
  98. a=rtcp-fb:107 transport-cc 
  99. a=rtpmap:108 H264/90000
  100. a=fmtp:108 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42e01f
  101. a=rtcp-fb:108 goog-remb 
  102. a=rtcp-fb:108 ccm fir
  103. a=rtcp-fb:108 nack 
  104. a=rtcp-fb:108 nack pli
  105. a=rtcp-fb:108 nack 
  106. a=rtcp-fb:108 nack pli
  107. a=rtcp-fb:108 transport-cc 
  108. a=rtpmap:109 rtx/90000
  109. a=fmtp:109 apt=108
  110. a=rtcp-fb:109 nack 
  111. a=rtcp-fb:109 nack pli
  112. a=rtcp-fb:109 transport-cc 
  113. a=rtpmap:123 H264/90000
  114. a=fmtp:123 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640032
  115. a=rtcp-fb:123 goog-remb 
  116. a=rtcp-fb:123 ccm fir
  117. a=rtcp-fb:123 nack 
  118. a=rtcp-fb:123 nack pli
  119. a=rtcp-fb:123 nack 
  120. a=rtcp-fb:123 nack pli
  121. a=rtcp-fb:123 transport-cc 
  122. a=rtpmap:118 rtx/90000
  123. a=fmtp:118 apt=123
  124. a=rtcp-fb:118 nack 
  125. a=rtcp-fb:118 nack pli
  126. a=rtcp-fb:118 transport-cc 
  127. a=rtpmap:116 ulpfec/90000
  128. a=rtcp-fb:116 nack 
  129. a=rtcp-fb:116 nack pli
  130. a=rtcp-fb:116 transport-cc 
  131. a=extmap:1 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
  132. a=ssrc:554659860 cname:rtckit/53bd9691-40c4-4a58-9165-c7579c4b5031
  133. a=ssrc:554659860 msid:rtckit/53bd9691-40c4-4a58-9165-c7579c4b5031 video
  134. a=ssrc:554659860 mslabel:rtckit/53bd9691-40c4-4a58-9165-c7579c4b5031
  135. a=ssrc:554659860 label:video
  136. a=msid:rtckit/53bd9691-40c4-4a58-9165-c7579c4b5031 video
  137. a=sendrecv
  138. a=candidate:4113284106 1 udp 2130706431 101.4.122.16 41267 typ host
  139. a=candidate:4113284106 2 udp 2130706431 101.4.122.16 41267 typ host
  140. a=candidate:3528925834 1 udp 2130706431 172.18.0.1 33655 typ host
  141. a=candidate:3528925834 2 udp 2130706431 172.18.0.1 33655 typ host
  142. a=candidate:233762139 1 udp 2130706431 172.17.0.1 53508 typ host
  143. a=candidate:233762139 2 udp 2130706431 172.17.0.1 53508 typ host
  144. a=candidate:300762037 1 udp 1694498815 178.173.224.70 56107 typ srflx raddr 0.0.0.0 rport 56107
  145. a=candidate:300762037 2 udp 1694498815 178.173.224.70 56107 typ srflx raddr 0.0.0.0 rport 56107
  146. a=end-of-candidates

Best withes~

I try to add ICE Server In localhost and use stun:stun.l.google.com:19302, and ask from chatGPT, it all didn't works.

答案1

得分: 2

默认情况下，Pion不启用ICE-TCP候选项。

您可以通过SettingEngine.SetICETCPMux来启用它们。

请参考examples/ice-tcp以获取如何使用此API的完整示例。

祝您好运，并感谢您使用Pion！

英文:

By default Pion doesn't enable ICE-TCP candidates.

You can enable them via the SettingEngine.SetICETCPMux

See examples/ice-tcp for a full featured example of how to use this API.

Best of luck, and thanks for using Pion!

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  • 本文由 发表于 2023年4月13日 21:09:24
  • 转载请务必保留本文链接：https://go.coder-hub.com/76005830.html
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