iOS linphone-iphone 没有视频只有音频
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【中文标题】iOS linphone-iphone 没有视频只有音频【英文标题】：iOS linphone-iphone No video only audio 【发布时间】：2015-07-18 17:18:06 【问题描述】：我在做一个可视对讲app，app需要用分机通话，分机是楼宇对讲分机，使用h264格式视频。我构建了linphone sdks，版本是3.8.2-28-g5d5808b。扩展程序是别人搭建的，我不知道里面的内容，但是android的app demo有视频。我的 ios 应用没有视频。T_T
当我打电话时，只有音频没有视频。
我的应用调试内容：
2015-07-18 23:24:23.690 LinphoneDemo2[15372:2136209] channel [0x102240000]: received [704] new bytes from [UDP://192.168.31.209:5060]:
INVITE sip:test2@192.168.31.232:61712 SIP/2.0
Via: SIP/2.0/UDP 192.168.31.209:5060;rport;branch=z9hG4bK2113000003
From: <sip:0101101@192.168.31.209>;tag=859743850
To: <sip:test2@192.168.31.232:61712>
Call-ID: 1144529261
CSeq: 20 INVITE
Contact: <sip:0101101@192.168.31.209:5060>
Content-Type: application/sdp
Max-Forwards: 70
User-Agent: eXosip/3.3.0
Supported: 100rel
Content-Length: 299
v=0
o=qst 0 0 IN IP4 192.168.31.209
s=conversation
c=IN IP4 192.168.31.209
t=0 0
m=audio 8018 RTP/AVP 0 8 101
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-11
m=video 8020 RTP/AVP 102
a=rtpmap:102 H264/90000
a=fmtp:102 profile-level-id=428014
2015-07-18 23:24:23.705 LinphoneDemo2[15372:2136209] channel [0x102240000] [405] bytes parsed
2015-07-18 23:24:23.708 LinphoneDemo2[15372:2136209] channel [0x102240000] read [299] bytes of body from [192.168.31.209:5060]
2015-07-18 23:24:23.716 LinphoneDemo2[15372:2136209] Changing [server] [INVITE] transaction [0x170147d20], from state [INIT] to [PROCEEDING]
2015-07-18 23:24:23.721 LinphoneDemo2[15372:2136209] channel [0x102240000]: message sent to [UDP://192.168.31.209:5060], size: [215] bytes
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.31.209:5060;rport;branch=z9hG4bK2113000003
From: <sip:0101101@192.168.31.209>;tag=859743850
To: sip:test2@192.168.31.232:61712
Call-ID: 1144529261
CSeq: 20 INVITE
2015-07-18 23:24:23.727 LinphoneDemo2[15372:2136209] New server dialog [0x1741a8ea0] , local tag [], remote tag [859743850]
2015-07-18 23:24:23.732 LinphoneDemo2[15372:2136209] op [0x102025fc0] : set_or_update_dialog() current=[0x0] new=[0x1741a8ea0]
2015-07-18 23:24:23.735 LinphoneDemo2[15372:2136209] new incoming call from [sip:0101101@192.168.31.209] to [sip:test2@192.168.31.232:61712]
2015-07-18 23:24:23.742 LinphoneDemo2[15372:2136209] Found payload PCMU/8000 fmtp=
2015-07-18 23:24:23.746 LinphoneDemo2[15372:2136209] Found payload PCMA/8000 fmtp=
2015-07-18 23:24:23.749 LinphoneDemo2[15372:2136209] Found payload telephone-event/8000 fmtp=0-11
2015-07-18 23:24:23.754 LinphoneDemo2[15372:2136209] Found payload H264/90000 fmtp=profile-level-id=428014
2015-07-18 23:24:23.760 LinphoneDemo2[15372:2136209] Searching for already_a_call_with_remote_address.
2015-07-18 23:24:23.765 LinphoneDemo2[15372:2136209] New LinphoneCall [0x101804600] initialized (LinphoneCore version: 3.8.2-28-g5d5808b)
2015-07-18 23:24:23.773 LinphoneDemo2[15372:2136209] RtpSession bound to [0.0.0.0] ports [7076] [7077]
2015-07-18 23:24:23.776 LinphoneDemo2[15372:2136209] Setting DSCP to 46 for MSAudio stream.
2015-07-18 23:24:23.780 LinphoneDemo2[15372:2136209] Equalizer location: mic
2015-07-18 23:24:23.783 LinphoneDemo2[15372:2136209] cannot set noise gate mode to [0] because no volume send
2015-07-18 23:24:23.787 LinphoneDemo2[15372:2136209] RtpSession bound to [0.0.0.0] ports [9078] [9079]
2015-07-18 23:24:23.793 LinphoneDemo2[15372:2136209] Setting DSCP to 0 for MSVideo stream.
2015-07-18 23:24:23.799 LinphoneDemo2[15372:2136209] Don't put video stream on local offer for call [0x101804600]
2015-07-18 23:24:23.805 LinphoneDemo2[15372:2136209] Doing SDP offer/answer process of type incoming
2015-07-18 23:24:23.810 LinphoneDemo2[15372:2136209] Declining mline 1, no corresponding stream in local capabilities description.
2015-07-18 23:24:23.815 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [show]
2015-07-18 23:24:23.818 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [display_status]
2015-07-18 23:24:23.821 LinphoneDemo2[15372:2136209] ms_filter_unlink: MSFilePlayer:0x170126cc0,0-->MSDtmfGen:0x170127120,0
2015-07-18 23:24:23.825 LinphoneDemo2[15372:2136209] ms_filter_unlink: MSDtmfGen:0x170127120,0-->MSResample:0x170127620,0
2015-07-18 23:24:23.830 LinphoneDemo2[15372:2136209] ms_filter_unlink: MSResample:0x170127620,0-->MSAQWrite:0x1701273a0,0
2015-07-18 23:24:23.844 LinphoneDemo2[15372:2136273] Ring MSTicker thread exiting
2015-07-18 23:24:23.849 LinphoneDemo2[15372:2136209] Starting local ring...
2015-07-18 23:24:23.856 LinphoneDemo2[15372:2136209] Configuring resampler input with rate=[44100], nchannels=[1]
2015-07-18 23:24:23.859 LinphoneDemo2[15372:2136209] MSFilePlayer[0x170127620]: /private/var/mobile/Containers/Bundle/Application/0C957F7E-18F8-4078-8AC9-3F7E1AB44EC4/LinphoneDemo2.app/ring.wav opened: rate=44100,channel=1
2015-07-18 23:24:23.863 LinphoneDemo2[15372:2136209] configuring resampler output to rate=[44100], nchannels=[1]
2015-07-18 23:24:23.867 LinphoneDemo2[15372:2136209] ms_filter_link: MSFilePlayer:0x170127620,0-->MSDtmfGen:0x1701273a0,0
2015-07-18 23:24:23.867 LinphoneDemo2[15372:2136424] Priority used: 47
2015-07-18 23:24:23.871 LinphoneDemo2[15372:2136209] ms_filter_link: MSDtmfGen:0x1701273a0,0-->MSResample:0x170126cc0,0
2015-07-18 23:24:23.876 LinphoneDemo2[15372:2136424] Ring MSTicker priority set to SCHED_RR and value (47)
2015-07-18 23:24:23.881 LinphoneDemo2[15372:2136209] ms_filter_link: MSResample:0x170126cc0,0-->MSAQWrite:0x170127120,0
2015-07-18 23:24:23.891 LinphoneDemo2[15372:2136209] Initializing speex resampler in mode [voip]
2015-07-18 23:24:23.895 LinphoneDemo2[15372:2136209] AQ: Configuring audio session for playback
2015-07-18 23:24:23.901 LinphoneDemo2[15372:2136209] Call 0x101804600: moving from state LinphoneCallIdle to LinphoneCallIncomingReceived
2015-07-18 23:24:23.904 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [call_state_changed]
2015-07-18 23:24:23.912 LinphoneDemo2[15372:2136209] Incoming call
2015-07-18 23:24:23.921 LinphoneDemo2[15372:2136209] Contact has been fixed using proxy
2015-07-18 23:24:23.926 LinphoneDemo2[15372:2136209] channel [0x102240000]: message sent to [UDP://192.168.31.209:5060], size: [292] bytes
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP 192.168.31.209:5060;rport;branch=z9hG4bK2113000003
From: <sip:0101101@192.168.31.209>;tag=859743850
To: <sip:test2@192.168.31.232:61712>;tag=0zmDcr2
Call-ID: 1144529261
CSeq: 20 INVITE
User-Agent: /mikko1.0 (belle-sip/1.4.1)
Supported: outbound
2015-07-18 23:24:23.932 LinphoneDemo2[15372:2136209] Dialog [0x1741a8ea0]: now updated by transaction [0x170147d20].
2015-07-18 23:24:23.938 LinphoneDemo2[15372:2136209] channel [0x102240000]: ending recv background task with id=[4].
2015-07-18 23:24:23.976 LinphoneDemo2[15372:2136209] channel [0x102240000]: starting recv background task with id=[6].
2015-07-18 23:24:23.979 LinphoneDemo2[15372:2136209] channel [0x102240000]: received [704] new bytes from [UDP://192.168.31.209:5060]:
INVITE sip:test2@192.168.31.232:61712 SIP/2.0
Via: SIP/2.0/UDP 192.168.31.209:5060;rport;branch=z9hG4bK2113000003
From: <sip:0101101@192.168.31.209>;tag=859743850
To: <sip:test2@192.168.31.232:61712>
Call-ID: 1144529261
CSeq: 20 INVITE
Contact: <sip:0101101@192.168.31.209:5060>
Content-Type: application/sdp
Max-Forwards: 70
User-Agent: eXosip/3.3.0
Supported: 100rel
Content-Length: 299
v=0
o=qst 0 0 IN IP4 192.168.31.209
s=conversation
c=IN IP4 192.168.31.209
t=0 0
m=audio 8018 RTP/AVP 0 8 101
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-11
m=video 8020 RTP/AVP 102
a=rtpmap:102 H264/90000
a=fmtp:102 profile-level-id=428014
2015-07-18 23:24:23.984 LinphoneDemo2[15372:2136209] channel [0x102240000] [405] bytes parsed
2015-07-18 23:24:23.987 LinphoneDemo2[15372:2136209] channel [0x102240000] read [299] bytes of body from [192.168.31.209:5060]
2015-07-18 23:24:23.990 LinphoneDemo2[15372:2136209] Found transaction [0x170147d20] matching request.
2015-07-18 23:24:23.995 LinphoneDemo2[15372:2136209] channel [0x102240000]: message sent to [UDP://192.168.31.209:5060], size: [292] bytes
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP 192.168.31.209:5060;rport;branch=z9hG4bK2113000003
From: <sip:0101101@192.168.31.209>;tag=859743850
To: <sip:test2@192.168.31.232:61712>;tag=0zmDcr2
Call-ID: 1144529261
CSeq: 20 INVITE
User-Agent: /mikko1.0 (belle-sip/1.4.1)
Supported: outbound
2015-07-18 23:24:24.000 LinphoneDemo2[15372:2136209] channel [0x102240000]: ending recv background task with id=[6].
2015-07-18 23:24:24.025 LinphoneDemo2[15372:2136209] incoming call ringing for 1 seconds
2015-07-18 23:24:24.087 LinphoneDemo2[15372:2136424] Ring MSTicker: We are late of 122 miliseconds.
2015-07-18 23:24:25.005 LinphoneDemo2[15372:2136209] incoming call ringing for 2 seconds
2015-07-18 23:24:25.836 LinphoneDemo2[15372:2136209] stop ringing
2015-07-18 23:24:25.860 LinphoneDemo2[15372:2136209] ms_filter_unlink: MSFilePlayer:0x170127620,0-->MSDtmfGen:0x1701273a0,0
2015-07-18 23:24:25.866 LinphoneDemo2[15372:2136209] ms_filter_unlink: MSDtmfGen:0x1701273a0,0-->MSResample:0x170126cc0,0
2015-07-18 23:24:25.871 LinphoneDemo2[15372:2136209] ms_filter_unlink: MSResample:0x170126cc0,0-->MSAQWrite:0x170127120,0
2015-07-18 23:24:25.886 LinphoneDemo2[15372:2136424] Ring MSTicker thread exiting
2015-07-18 23:24:25.893 LinphoneDemo2[15372:2136209] Don't put video stream on local offer for call [0x101804600]
2015-07-18 23:24:25.896 LinphoneDemo2[15372:2136209] configuring prefered card sampling rate to [48000]
2015-07-18 23:24:25.899 LinphoneDemo2[15372:2136209] Accepting server transaction [0x170147d20] on op [0x102025fc0]
2015-07-18 23:24:25.902 LinphoneDemo2[15372:2136209] Doing SDP offer/answer process of type incoming
2015-07-18 23:24:25.906 LinphoneDemo2[15372:2136209] Declining mline 1, no corresponding stream in local capabilities description.
2015-07-18 23:24:25.912 LinphoneDemo2[15372:2136209] channel [0x102240000]: message sent to [UDP://192.168.31.209:5060], size: [730] bytes
SIP/2.0 200 Ok
Via: SIP/2.0/UDP 192.168.31.209:5060;rport;branch=z9hG4bK2113000003
From: <sip:0101101@192.168.31.209>;tag=859743850
To: <sip:test2@192.168.31.232:61712>;tag=0zmDcr2
Call-ID: 1144529261
CSeq: 20 INVITE
User-Agent: /mikko1.0 (belle-sip/1.4.1)
Supported: outbound
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO, UPDATE
Contact: <sip:test2@192.168.31.232:61712>;+sip.instance="<urn:uuid:7d033137-3e3f-461b-850c-402676c76e28>"
Content-Type: application/sdp
Content-Length: 193
v=0
o=test2 622 2564 IN IP4 192.168.31.232
s=Talk
c=IN IP4 192.168.31.232
b=AS:380
t=0 0
m=audio 7076 RTP/AVP 0 8 101
a=rtpmap:101 telephone-event/8000
m=video 0 RTP/AVP 0
a=inactive
2015-07-18 23:24:25.918 LinphoneDemo2[15372:2136209] Changing [server] [INVITE] transaction [0x170147d20], from state [PROCEEDING] to [ACCEPTED]
2015-07-18 23:24:25.923 LinphoneDemo2[15372:2136209] Dialog [0x1741a8ea0]: now updated by transaction [0x170147d20].
2015-07-18 23:24:25.928 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [display_status]
2015-07-18 23:24:25.931 LinphoneDemo2[15372:2136209] Call 0x101804600: moving from state LinphoneCallIncomingReceived to LinphoneCallConnected
2015-07-18 23:24:25.935 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [call_state_changed]
2015-07-18 23:24:25.943 LinphoneDemo2[15372:2136209] er/LinphoneManager.m:2193 - Adding CT call center listener [0x170436020]
2015-07-18 23:24:25.948 LinphoneDemo2[15372:2136209] Connected
2015-07-18 23:24:25.952 LinphoneDemo2[15372:2136209] linphone_call_start_media_streams() call=[0x101804600] local upload_bandwidth=[380] kbit/s; local download_bandwidth=[380] kbit/s
2015-07-18 23:24:25.957 LinphoneDemo2[15372:2136209] Audio bandwidth for this call is 80
2015-07-18 23:24:25.962 LinphoneDemo2[15372:2136209] RtpSession [0x1010e1e00] sending to rtp [192.168.31.209:8018] rtcp [192.168.31.209:8019]
2015-07-18 23:24:25.969 LinphoneDemo2[15372:2136209] Stun packet sent for session [0x1010e1e00]
2015-07-18 23:24:25.975 LinphoneDemo2[15372:2136209] target bitrate not set for stream [0x100f64fb0] using payload's bitrate is 80000
2015-07-18 23:24:25.978 LinphoneDemo2[15372:2136209] Setting audio encoder network bitrate to [80000] on stream [0x100f64fb0]
2015-07-18 23:24:25.983 LinphoneDemo2[15372:2136209] Equalizer rate: 8000, selecting 128 steps for FFT
2015-07-18 23:24:25.986 LinphoneDemo2[15372:2136209] Equalizer rate: 8000, selecting 128 steps for FFT
2015-07-18 23:24:25.989 LinphoneDemo2[15372:2136209] configuring MSAURead-->MSUlawEnc from rate [48000] to rate [8000] and from channel [1] to channel [1]
2015-07-18 23:24:25.994 LinphoneDemo2[15372:2136209] configuring MSUlawDec-->MSAUWrite from rate [8000] to rate [48000] and from channel [1] to channel [1]
2015-07-18 23:24:26.000 LinphoneDemo2[15372:2136209] ms_filter_link: MSAURead:0x170127120,0-->MSResample:0x170128f20,0
2015-07-18 23:24:26.000 LinphoneDemo2[15372:2136453] Priority used: 47
2015-07-18 23:24:26.005 LinphoneDemo2[15372:2136209] ms_filter_link: MSResample:0x170128f20,0-->MSEqualizer:0x174121cc0,0
2015-07-18 23:24:26.010 LinphoneDemo2[15372:2136453] MSAudio MSTicker priority set to SCHED_RR and value (47)
2015-07-18 23:24:26.013 LinphoneDemo2[15372:2136209] ms_filter_link: MSEqualizer:0x174121cc0,0-->MSVolume:0x170127c60,0
2015-07-18 23:24:26.019 LinphoneDemo2[15372:2136209] ms_filter_link: MSVolume:0x170127c60,0-->MSAudioMixer:0x170128c00,0
2015-07-18 23:24:26.022 LinphoneDemo2[15372:2136209] ms_filter_link: MSAudioMixer:0x170128c00,0-->MSUlawEnc:0x170127620,0
2015-07-18 23:24:26.027 LinphoneDemo2[15372:2136209] ms_filter_link: MSUlawEnc:0x170127620,0-->MSRtpSend:0x170128b60,0
2015-07-18 23:24:26.033 LinphoneDemo2[15372:2136209] ms_filter_link: MSRtpRecv:0x170127d00,0-->MSUlawDec:0x170128d40,0
2015-07-18 23:24:26.038 LinphoneDemo2[15372:2136209] ms_filter_link: MSUlawDec:0x170128d40,0-->MSGenericPLC:0x174121e00,0
2015-07-18 23:24:26.043 LinphoneDemo2[15372:2136209] ms_filter_link: MSGenericPLC:0x174121e00,0-->MSDtmfGen:0x170126cc0,0
2015-07-18 23:24:26.046 LinphoneDemo2[15372:2136209] ms_filter_link: MSDtmfGen:0x170126cc0,0-->MSVolume:0x170128840,0
2015-07-18 23:24:26.049 LinphoneDemo2[15372:2136209] ms_filter_link: MSVolume:0x170128840,0-->MSAudioMixer:0x174123200,0
2015-07-18 23:24:26.052 LinphoneDemo2[15372:2136209] ms_filter_link: MSFilePlayer:0x170128020,0-->MSResample:0x170128660,0
2015-07-18 23:24:26.055 LinphoneDemo2[15372:2136209] ms_filter_link: MSResample:0x170128660,0-->MSAudioMixer:0x174123200,1
2015-07-18 23:24:26.060 LinphoneDemo2[15372:2136209] ms_filter_link: MSAudioMixer:0x174123200,0-->MSResample:0x1701279e0,0
2015-07-18 23:24:26.065 LinphoneDemo2[15372:2136209] ms_filter_link: MSResample:0x1701279e0,0-->MSAUWrite:0x1701273a0,0
2015-07-18 23:24:26.079 LinphoneDemo2[15372:2136209] Configuring audio session for playback/record
2015-07-18 23:24:26.263 LinphoneDemo2[15372:2136209] AudioUnit created with type kAudioUnitSubType_VoiceProcessingIO.
2015-07-18 23:24:26.268 LinphoneDemo2[15372:2136209] Initializing speex resampler in mode [voip]
2015-07-18 23:24:26.270 LinphoneDemo2[15372:2136209] Initializing speex resampler in mode [voip]
2015-07-18 23:24:26.273 LinphoneDemo2[15372:2136209] Initializing speex resampler in mode [voip]
2015-07-18 23:24:26.275 LinphoneDemo2[15372:2136209] Audio session already correctly configured.
2015-07-18 23:24:26.282 LinphoneDemo2[15372:2136209] Not applying kAudioSessionProperty_PreferredHardwareSampleRate because asked rate is too high [44100]
2015-07-18 23:24:26.287 LinphoneDemo2[15372:2136209] MSVolume set gain to [0.000000 db], [1.000000] linear
2015-07-18 23:24:26.292 LinphoneDemo2[15372:2136209] No valid video stream defined.
2015-07-18 23:24:26.296 LinphoneDemo2[15372:2136209] LinphoneCall[0x101804600] : payload type 0 PCMU/8000 fmtp=(null) added to frozen list.
2015-07-18 23:24:26.298 LinphoneDemo2[15372:2136209] LinphoneCall[0x101804600] : payload type 8 PCMA/8000 fmtp=(null) added to frozen list.
2015-07-18 23:24:26.300 LinphoneDemo2[15372:2136209] LinphoneCall[0x101804600] : payload type 101 telephone-event/8000 fmtp=(null) added to frozen list.
2015-07-18 23:24:26.302 LinphoneDemo2[15372:2136209] Call 0x101804600: moving from state LinphoneCallConnected to LinphoneCallStreamsRunning
2015-07-18 23:24:26.305 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [call_state_changed]
2015-07-18 23:24:26.309 LinphoneDemo2[15372:2136209] Connected (streams running)
2015-07-18 23:24:26.310 LinphoneDemo2[15372:2136209] call answered.
2015-07-18 23:24:26.316 LinphoneDemo2[15372:2136209] channel [0x102240000]: starting recv background task with id=[7].
2015-07-18 23:24:26.320 LinphoneDemo2[15372:2136209] channel [0x102240000]: received [357] new bytes from [UDP://192.168.31.209:5060]:
ACK sip:test2@192.168.31.232:61712 SIP/2.0
Via: SIP/2.0/UDP 192.168.31.209:5060;rport;branch=z9hG4bK1985211473
From: <sip:0101101@192.168.31.209>;tag=859743850
To: <sip:test2@192.168.31.232:61712>;tag=0zmDcr2
Call-ID: 1144529261
CSeq: 20 ACK
Contact: <sip:0101101@192.168.31.209:5060>
Max-Forwards: 70
User-Agent: eXosip/3.3.0
Content-Length: 0
2015-07-18 23:24:26.325 LinphoneDemo2[15372:2136209] channel [0x102240000] [357] bytes parsed
2015-07-18 23:24:26.328 LinphoneDemo2[15372:2136209] Incoming INVITE has ACK, dialog is happy
2015-07-18 23:24:26.332 LinphoneDemo2[15372:2136209] channel [0x102240000]: ending recv background task with id=[7].
2015-07-18 23:24:26.334 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [call_stats_updated]
2015-07-18 23:24:26.337 LinphoneDemo2[15372:2136209] Bandwidth usage for call [0x101804600]:
RTP audio=[d= 0.0,u= 0.0], video=[d= 0.0,u= 0.0] kbits/sec
RTCP audio=[d= 0.0,u= 0.0], video=[d= 0.0,u= 0.0] kbits/sec
2015-07-18 23:24:26.341 LinphoneDemo2[15372:2136209] Thread processing load: audio=0.003564 video=0.000000
2015-07-18 23:24:26.466 LinphoneDemo2[15372:2136453] io unit initialized
2015-07-18 23:24:26.466 LinphoneDemo2[15372:2136209] er/LinphoneManager.m:1775 - Current audio route is [ReceiverAndMicrophone]
2015-07-18 23:24:26.480 LinphoneDemo2[15372:2136453] I/O unit latency [0.000000], quality [64]
2015-07-18 23:24:26.659 LinphoneDemo2[15372:2136209] Call 0x101804600: moving from state LinphoneCallStreamsRunning to LinphoneCallUpdating
2015-07-18 23:24:26.664 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [call_state_changed]
2015-07-18 23:24:26.668 LinphoneDemo2[15372:2136209] Updating call
2015-07-18 23:24:26.669 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [display_status]
2015-07-18 23:24:26.676 LinphoneDemo2[15372:2136209] Dialog [0x1741a8ea0]: now updated by transaction [0x17416ba00].
2015-07-18 23:24:26.679 LinphoneDemo2[15372:2136209] Changing [client] [INVITE] transaction [0x17416ba00], from state [INIT] to [CALLING]
2015-07-18 23:24:26.682 LinphoneDemo2[15372:2136209] channel [0x102240000]: message sent to [UDP://192.168.31.209:5060], size: [1268] bytes
INVITE sip:0101101@192.168.31.209:5060 SIP/2.0
Via: SIP/2.0/UDP 192.168.31.232:61712;branch=z9hG4bK.WpPTWfgST;rport
From: <sip:test2@192.168.31.232>;tag=0zmDcr2
To: <sip:0101101@192.168.31.209>;tag=859743850
CSeq: 111 INVITE
Call-ID: 1144529261
Max-Forwards: 70
Subject: Media change
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO, UPDATE
Content-Type: application/sdp
Content-Length: 683
Contact: <sip:test2@192.168.31.232:61712>;+sip.instance="<urn:uuid:7d033137-3e3f-461b-850c-402676c76e28>"
User-Agent: /mikko1.0 (belle-sip/1.4.1)
v=0
o=test2 622 2565 IN IP4 192.168.31.232
s=Talk
c=IN IP4 192.168.31.232
b=AS:380
t=0 0
a=rtcp-xr:rcvr-rtt=all:10000 stat-summary=loss,dup,jitt,TTL voip-metrics
m=audio 7076 RTP/AVP 96 97 98 99 0 8 101 100 102
a=rtpmap:96 opus/48000/2
a=fmtp:96 useinbandfec=1; stereo=0; sprop-stereo=0
a=rtpmap:97 SILK/16000
a=rtpmap:98 speex/16000
a=fmtp:98 vbr=on
a=rtpmap:99 speex/8000
a=fmtp:99 vbr=on
a=rtpmap:101 telephone-event/48000
a=rtpmap:100 telephone-event/16000
a=rtpmap:102 telephone-event/8000
m=video 9078 RTP/AVP 96 97 98
a=rtpmap:96 VP8/90000
a=rtpmap:97 H264/90000
a=fmtp:97 profile-level-id=42801F
a=rtpmap:98 MP4V-ES/90000
a=fmtp:98 profile-level-id=3
2015-07-18 23:24:26.749 LinphoneDemo2[15372:2136453] AudioUnit started, current hw output latency [0.000748] input [0.000204] iobuf[0.011610] hw sample rate [44100.000000]
2015-07-18 23:24:26.750 LinphoneDemo2[15372:2136209] er/LinphoneManager.m:1775 - Current audio route is [SpeakerAndMicrophone]
2015-07-18 23:24:26.763 LinphoneDemo2[15372:2136453] Stun packet sent for session [0x1010e1e00]
2015-07-18 23:24:26.768 LinphoneDemo2[15372:2136209] channel [0x102240000]: starting recv background task with id=[8].
2015-07-18 23:24:26.770 LinphoneDemo2[15372:2136453] MSAudio MSTicker: We are late of 473 miliseconds.
2015-07-18 23:24:26.772 LinphoneDemo2[15372:2136209] channel [0x102240000]: received [276] new bytes from [UDP://192.168.31.209:5060]:
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.31.232:61712;branch=z9hG4bK.WpPTWfgST;rport=61712
From: <sip:test2@192.168.31.232>;tag=0zmDcr2
To: <sip:0101101@192.168.31.209>;tag=859743850
Call-ID: 1144529261
CSeq: 111 INVITE
User-Agent: eXosip/3.3.0
Content-Length: 0
2015-07-18 23:24:26.774 LinphoneDemo2[15372:2136453] MSAudioMixer [0x170128c00] is entering bypass mode.
2015-07-18 23:24:26.780 LinphoneDemo2[15372:2136209] channel [0x102240000] [276] bytes parsed
2015-07-18 23:24:26.782 LinphoneDemo2[15372:2136453] MSAudio MSTicker: We are late of 476 miliseconds.
2015-07-18 23:24:26.786 LinphoneDemo2[15372:2136209] Found transaction matching response.
2015-07-18 23:24:26.794 LinphoneDemo2[15372:2136209] Changing [client] [INVITE] transaction [0x17416ba00], from state [CALLING] to [PROCEEDING]
2015-07-18 23:24:26.797 LinphoneDemo2[15372:2136209] Dialog [0x1741a8ea0]: now updated by transaction [0x17416ba00].
2015-07-18 23:24:26.799 LinphoneDemo2[15372:2136209] op [0x102025fc0] : set_or_update_dialog() current=[0x1741a8ea0] new=[0x1741a8ea0]
2015-07-18 23:24:26.802 LinphoneDemo2[15372:2136209] Op [0x102025fc0] receiving call response [100], dialog is [0x1741a8ea0] in state [BELLE_SIP_DIALOG_CONFIRMED]
2015-07-18 23:24:26.806 LinphoneDemo2[15372:2136209] channel [0x102240000]: ending recv background task with id=[8].
2015-07-18 23:24:26.812 LinphoneDemo2[15372:2136209] er/LinphoneManager.m:1775 - Current audio route is [SpeakerAndMicrophone]
2015-07-18 23:24:27.288 LinphoneDemo2[15372:2136453] MSAudioMixer [0x174123200] is entering bypass mode.
2015-07-18 23:24:27.638 LinphoneDemo2[15372:2136453] Sending RTCP SR compound message on session [0x1010e1e00].
2015-07-18 23:24:27.645 LinphoneDemo2[15372:2136209] MSAudio_stream_iterate[0x100f64fb0], local statistics available:
Local current jitter buffer size: 165.7ms
2015-07-18 23:24:27.648 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [call_stats_updated]
2015-07-18 23:24:29.797 LinphoneDemo2[15372:2136209] er/LinphoneManager.m:1775 - Current audio route is [ReceiverAndMicrophone]
2015-07-18 23:24:30.368 LinphoneDemo2[15372:2136453] Sending RTCP SR compound message on session [0x1010e1e00].
2015-07-18 23:24:30.385 LinphoneDemo2[15372:2136209] MSAudio_stream_iterate[0x100f64fb0], local statistics available:
Local current jitter buffer size: 44.2ms
2015-07-18 23:24:30.391 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [call_stats_updated]
2015-07-18 23:24:30.585 LinphoneDemo2[15372:2136209] MSAudio stream [0x100f64fb0]: receiving RTCP SR
2015-07-18 23:24:30.589 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [call_stats_updated]
2015-07-18 23:24:32.928 LinphoneDemo2[15372:2136453] Sending RTCP SR compound message on session [0x1010e1e00].
2015-07-18 23:24:32.945 LinphoneDemo2[15372:2136209] MSAudio_stream_iterate[0x100f64fb0], local statistics available:
Local current jitter buffer size: 82.8ms
2015-07-18 23:24:32.950 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [call_stats_updated]
2015-07-18 23:24:35.205 LinphoneDemo2[15372:2136209] MSAudio stream [0x100f64fb0]: receiving RTCP SR
2015-07-18 23:24:35.210 LinphoneDemo2[15372:2136209] MSSimpleQosAnalyzer: lost_percentage=0.000000, int_jitter=5.000000 ms, rt_prop=0.020828 sec
2015-07-18 23:24:35.213 LinphoneDemo2[15372:2136209] MSSimpleQosAnalyzer: everything is fine.
2015-07-18 23:24:35.218 LinphoneDemo2[15372:2136209] MSBitrateController: current state is Init
2015-07-18 23:24:35.223 LinphoneDemo2[15372:2136209] MSQualityIndicator[0x1700da320][audio], remote statistics available:
Loss rate : 0.0%
Inter-arrival jitter: 0.5ms
RT propagation : 2.1ms
2015-07-18 23:24:35.229 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [call_stats_updated]
2015-07-18 23:24:35.958 LinphoneDemo2[15372:2136453] Sending RTCP SR compound message on session [0x1010e1e00].
2015-07-18 23:24:35.965 LinphoneDemo2[15372:2136209] MSAudio_stream_iterate[0x100f64fb0], local statistics available:
Local current jitter buffer size: 167.4ms
2015-07-18 23:24:35.968 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [call_stats_updated]
2015-07-18 23:24:37.865 LinphoneDemo2[15372:2136209] MSAudio stream [0x100f64fb0]: receiving RTCP SR
2015-07-18 23:24:37.870 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [call_stats_updated]
2015-07-18 23:24:38.877 LinphoneDemo2[15372:2136453] Sending RTCP SR compound message on session [0x1010e1e00].
2015-07-18 23:24:38.885 LinphoneDemo2[15372:2136209] MSAudio_stream_iterate[0x100f64fb0], local statistics available:
Local current jitter buffer size: 350.0ms
2015-07-18 23:24:38.889 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [call_stats_updated]
2015-07-18 23:24:41.928 LinphoneDemo2[15372:2136453] Sending RTCP SR compound message on session [0x1010e1e00].
2015-07-18 23:24:41.945 LinphoneDemo2[15372:2136209] MSAudio_stream_iterate[0x100f64fb0], local statistics available:
Local current jitter buffer size: 297.8ms
2015-07-18 23:24:41.951 LinphoneDemo2[15372:2136209] Linphone core [0x10102ec00] notifying [call_stats_updated]
2015-07-18 23:24:42.528 LinphoneDemo2[15372:2136209] Dialog [0x1741a8ea0]: now updated by transaction [0x174143700].
2015-07-18 23:24:42.532 LinphoneDemo2[15372:2136209] Changing [client] [BYE] transaction [0x174143700], from state [INIT] to [TRYING]
2015-07-18 23:24:42.536 LinphoneDemo2[15372:2136209] channel [0x102240000]: message sent to [UDP://192.168.31.209:5060], size: [306] bytes
BYE sip:0101101@192.168.31.209:5060 SIP/2.0
Via: SIP/2.0/UDP 192.168.31.232:61712;branch=z9hG4bK.nBn0Xvg~W;rport
From: <sip:test2@192.168.31.232>;tag=0zmDcr2
To: <sip:0101101@192.168.31.209>;tag=859743850
CSeq: 112 BYE
Call-ID: 1144529261
Max-Forwards: 70
User-Agent: /mikko1.0 (belle-sip/1.4.1)
【问题讨论】：
【参考方案1】：您发送的第一个“200 Ok”（对于您收到的第一个 INVITE）包含：
m=video 0 RTP/AVP 0
a=inactive
这意味着您在接听电话时不接受视频。所以在这第一步中，视频仍然被信号禁用。
稍后，您通过重新邀请开始视频，但不幸的是，远程设备（对讲机）没有回复此重新邀请。您只会收到临时的 100 Trying，而不是收到 200 ok。由于第二次 re-INVITE 没有完成，视频又重新建立了，不是通过信令建立的。
最简单的解决方法当然是直接用视频回答第一个 INVITE。毫无疑问，这应该可以通过 linphone 的 API 实现！这可以解释为什么您的 Android 应用程序正确建立视频以及为什么您的 iOS 应用程序没有...
当然，对讲机应该回答第二次 re-INVITE，这也将修复视频建立。
旁注：您的 User-Agent 字符串似乎不合规...
/mikko1.0 (belle-sip/1.4.1)
应该是
mikko/1.0 (belle-sip/1.4.1)
【讨论】：
非常感谢。 ~！我如何直接用视频回答第一个邀请。我使用 linphone 的 API 。LinphoneCallParams* paramsCopy = linphone_call_params_copy(linphone_call_get_current_params(call)); linphone_call_params_enable_video(paramsCopy, TRUE); linphone_core_accept_call_update([LinphoneManager getLc], call, paramsCopy); linphone_call_params_destroy(paramsCopy); 对吗？
我对linphone的API不熟悉，无法确认，但好像linphone_call_params_enable_video可能是必填行！
哦~！我试过。但这似乎行不通。当 LinphoneCallState 改变时 LinphoneCallIncomingReceived -> LinphoneCallEarlyUpdating。我使用 linphone 的 answer video API。一直没有视频。日志消息显示linphone_core_update_call() is not allowed in [LinphoneCallEarlyUpdating] state
您的日志显示视频未启用：(2015-07-18 23:24:23.799 LinphoneDemo2[15372:2136209] 不要将视频流放在本地提供通话 [0x101804600]) .我发现日志来自 linphonecall.c。显然，在上下文中启用视频缺少一些元素。抱歉，我在这里帮不上忙。
没关系~。你帮了我很多。我也会想其他办法解决的。非常感谢。 ~!以上是关于iOS linphone-iphone 没有视频只有音频的主要内容，如果未能解决你的问题，请参考以下文章