Hi everybody,
we have implemented an app to show a remote IP camera with webrtc video client ; we show video in html5 video tag (we use ionic framework 3).
On iOS 11 all works great: this SDP Offer from browser to KMS:
v=0
o=- 381439229913720174 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE audio video
a=msid-semantic: WMS
m=audio 9 UDP/TLS/RTP/SAVPF 111 103 104 9 102 0 8 106 105 13 110 112 113 126
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=ice-ufrag:+Zsg
a=ice-pwd:pEgiD8w8n5YUhSjfbTCoeRU1
a=ice-options:trickle
a=fingerprint:sha-256 33:38:12:4A:1C:98:E3:2F:1A:63:EA:A4:D3:28:F2:5C:1E:2A:7F:A9:9D:DA:FA:45:9A:D5:B7:AD:4F:74:6C:A9
a=setup:actpass
a=mid:audio
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=recvonly
a=rtcp-mux
a=rtpmap:111 opus/48000/2
a=rtcp-fb:111 transport-cc
a=fmtp:111 minptime=10;useinbandfec=1
a=rtpmap:103 ISAC/16000
a=rtpmap:104 ISAC/32000
a=rtpmap:9 G722/8000
a=rtpmap:102 ILBC/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:106 CN/32000
a=rtpmap:105 CN/16000
a=rtpmap:13 CN/8000
a=rtpmap:110 telephone-event/48000
a=rtpmap:112 telephone-event/32000
a=rtpmap:113 telephone-event/16000
a=rtpmap:126 telephone-event/8000
m=video 9 UDP/TLS/RTP/SAVPF 96 98 99 97 100
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=ice-ufrag:+Zsg
a=ice-pwd:pEgiD8w8n5YUhSjfbTCoeRU1
a=ice-options:trickle
a=fingerprint:sha-256 33:38:12:4A:1C:98:E3:2F:1A:63:EA:A4:D3:28:F2:5C:1E:2A:7F:A9:9D:DA:FA:45:9A:D5:B7:AD:4F:74:6C:A9
a=setup:actpass
a=mid:video
a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:4 urn:3gpp:video-orientation
a=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
a=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
a=recvonly
a=rtcp-mux
a=rtcp-rsize
a=rtpmap:96 red/90000
a=rtpmap:98 ulpfec/90000
a=rtpmap:99 H264/90000
a=rtcp-fb:99 ccm fir
a=rtcp-fb:99 nack
a=rtcp-fb:99 nack pli
a=rtcp-fb:99 goog-remb
a=rtcp-fb:99 transport-cc
a=fmtp:99 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
a=rtpmap:97 rtx/90000
a=fmtp:97 apt=96
a=rtpmap:100 rtx/90000
a=fmtp:100 apt=99
and we receive this response from KMS
v=0
o=- 3747482465 3747482465 IN IP4 0.0.0.0
s=Kurento Media Server
c=IN IP4 0.0.0.0
t=0 0
a=msid-semantic: WMS
a=group:BUNDLE audio video
m=audio 1 UDP/TLS/RTP/SAVPF 111 0
a=mid:audio
a=rtcp:9 IN IP4 0.0.0.0
a=rtpmap:111 opus/48000/2
a=rtpmap:0 PCMU/8000
a=setup:active
a=sendonly
a=rtcp-mux
a=fmtp:111 minptime=10;useinbandfec=1
a=ssrc:4243890647 cname:user3343737242@host-c725acb0
a=ice-ufrag:C14A
a=ice-pwd:RBjcDG+B+XAKEpxUFIioyc
a=fingerprint:sha-256 CE:32:5D:27:7D:D6:9A:93:E9:DB:47:B0:31:2C:84:40:F5:6D:C3:44:08:58:D6:C9:50:4D:BC:E8:06:87:4F:EE
m=video 1 UDP/TLS/RTP/SAVPF 99
a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=mid:video
a=rtcp:9 IN IP4 0.0.0.0
a=rtpmap:99 H264/90000
a=rtcp-fb:99 ccm fir
a=rtcp-fb:99 nack
a=rtcp-fb:99 nack pli
a=rtcp-fb:99 goog-remb
a=setup:active
a=sendonly
a=rtcp-mux
a=fmtp:99 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
a=ssrc:3481876736 cname:user3343737242@host-c725acb0
a=ice-ufrag:C14A
a=ice-pwd:RBjcDG+B+XAKEpxUFIioyc
a=fingerprint:sha-256 CE:32:5D:27:7D:D6:9A:93:E9:DB:47:B0:31:2C:84:40:F5:6D:C3:44:08:58:D6:C9:50:4D:BC:E8:06:87:4F:EE
On iOS 12 video is not shown: this SDP Offer from browser to KMS:
v=0
o=- 452615813295782910 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE audio video
a=msid-semantic: WMS
m=audio 9 UDP/TLS/RTP/SAVPF 111 103 9 102 0 8 105 13 110 113 126
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=ice-ufrag:Uc5F
a=ice-pwd:/QljthVd/s+7l85yKPibz7qH
a=ice-options:trickle
a=fingerprint:sha-256 28:A1:32:5D:85:96:30:A6:0D:26:FF:88:3B:A6:B3:7E:6D:02:6A:CF:E3:08:5F:3A:60:94:23:5C:DE:79:D6:65
a=setup:actpass
a=mid:audio
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=recvonly
a=rtcp-mux
a=rtpmap:111 opus/48000/2
a=rtcp-fb:111 transport-cc
a=fmtp:111 minptime=10;useinbandfec=1
a=rtpmap:103 ISAC/16000
a=rtpmap:9 G722/8000
a=rtpmap:102 ILBC/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:105 CN/16000
a=rtpmap:13 CN/8000
a=rtpmap:110 telephone-event/48000
a=rtpmap:113 telephone-event/16000
a=rtpmap:126 telephone-event/8000
m=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99 100
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=ice-ufrag:Uc5F
a=ice-pwd:/QljthVd/s+7l85yKPibz7qH
a=ice-options:trickle
a=fingerprint:sha-256 28:A1:32:5D:85:96:30:A6:0D:26:FF:88:3B:A6:B3:7E:6D:02:6A:CF:E3:08:5F:3A:60:94:23:5C:DE:79:D6:65
a=setup:actpass
a=mid:video
a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:4 urn:3gpp:video-orientation
a=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
a=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
a=extmap:7 http://www.webrtc.org/experiments/rtp-hdrext/video-content-type
a=extmap:8 http://www.webrtc.org/experiments/rtp-hdrext/video-timing
a=recvonly
a=rtcp-mux
a=rtcp-rsize
a=rtpmap:96 H264/90000
a=rtcp-fb:96 goog-remb
a=rtcp-fb:96 transport-cc
a=rtcp-fb:96 ccm fir
a=rtcp-fb:96 nack
a=rtcp-fb:96 nack pli
a=fmtp:96 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
a=rtpmap:97 rtx/90000
a=fmtp:97 apt=96
a=rtpmap:98 red/90000
a=rtpmap:99 rtx/90000
a=fmtp:99 apt=98
a=rtpmap:100 ulpfec/90000
we receive this response from KMS
v=0
o=- 3747482229 3747482229 IN IP4 0.0.0.0
s=Kurento Media Server
c=IN IP4 0.0.0.0
t=0 0
a=msid-semantic: WMS
a=group:BUNDLE audio video
m=audio 1 UDP/TLS/RTP/SAVPF 111 0
a=mid:audio
a=rtcp:9 IN IP4 0.0.0.0
a=rtpmap:111 opus/48000/2
a=rtpmap:0 PCMU/8000
a=setup:active
a=sendonly
a=rtcp-mux
a=fmtp:111 minptime=10;useinbandfec=1
a=ssrc:870248109 cname:user1123549470@host-d4addf44
a=ice-ufrag:FXaQ
a=ice-pwd:g4xYgg5/xOJfYoKVX1PCzZ
a=fingerprint:sha-256 CE:32:5D:27:7D:D6:9A:93:E9:DB:47:B0:31:2C:84:40:F5:6D:C3:44:08:58:D6:C9:50:4D:BC:E8:06:87:4F:EE
m=video 1 UDP/TLS/RTP/SAVPF 96
a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=mid:video
a=rtcp:9 IN IP4 0.0.0.0
a=rtpmap:96 H264/90000
a=rtcp-fb:96 goog-remb
a=rtcp-fb:96 ccm fir
a=rtcp-fb:96 nack
a=rtcp-fb:96 nack pli
a=setup:active
a=sendonly
a=rtcp-mux
a=fmtp:96 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
a=ssrc:223120422 cname:user1123549470@host-d4addf44
a=ice-ufrag:FXaQ
a=ice-pwd:g4xYgg5/xOJfYoKVX1PCzZ
a=fingerprint:sha-256 CE:32:5D:27:7D:D6:9A:93:E9:DB:47:B0:31:2C:84:40:F5:6D:C3:44:08:58:D6:C9:50:4D:BC:E8:06:87:4F:EE
Could you help us?
Tx
