Can't connect to Windows

[M9Apar]

hi, its not able to connect to any windows device using mircast for 4.4.2, any android device connected successfully and its frame has been render but if we follow same thing with windows it won't connect, wifiDisaplay sink struck at "kWhatReportLateness"

[xuwen0306]

Hi, I think the issue you met is Windows don't support Miracast at all , as far as I know, you might be able to use screen share by Wi-Di or install exe for Miracast.

Basically, the Miracast source feature is supported on almost every android mobile devices. But for sink feature ,you need to purchase a TV stick or setupBox that support this feature.

If you want know the root cause of your issue, please give more detail about your test.

2017年3月1日 下午1:54，"kaas3031" notifications@github.com写道：

hi, its not able to connect to any windows device using mircast for 4.4.2, any android device connected successfully and its frame has been render but if we follow same thing with windows it won't connect, wifiDisaplay sink struck at "kWhatReportLateness"

— You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub https://github.com/kensuke/How-to-Miracast-on-AOSP/issues/8, or mute the thread https://github.com/notifications/unsubscribe-auth/AH0BLnU6JvTN4Zy6dgzGT9fDJvvdtxeNks5rhQgKgaJpZM4MPP__ .

[M9Apar]

Hi following is my board logs it runs on Android 4.4.2 and we have windows laptop runs 8.1(available in logs) and it support miracast that we tested using other Sink Application, also we tested with windows 10 running mobile same issue occurs 07-16 00:13:33.422 3151-3151/? D/P2pSinkActivity:
onReceive() [android.net.wifi.p2p.THIS_DEVICE_CHANGED] 07-16 00:13:33.432 3151-3151/? D/P2pSinkActivity: Device: K2_Dongle
　deviceAddress: 46:2c:05:2d:8c:f0
　primary type: 10-0050F204-5
　secondary type: null
　wps: 0
　grpcapab: 0
　devcapab: 0
　status: 0
　wfdInfo: WFD enabled: trueWFD DeviceInfo: 19
　WFD CtrlPort: 7236
　WFD MaxThroughput: 50
　[Connected] 07-16 00:13:33.582 3151-3151/? D/P2pSinkActivity:
onReceive() [android.net.wifi.p2p.PEERS_CHANGED] 07-16 00:13:33.592 3151-3151/? D/P2pSinkActivity: 　try requestPeers() 07-16 00:13:33.592 3151-3151/? D/P2pSinkActivity:
onReceive() [android.net.wifi.p2p.CONNECTION_STATE_CHANGE] 07-16 00:13:33.602 3151-3151/? D/P2pSinkActivity: NetworkInfo: type: WIFI_P2P[]
　 state: CONNECTED/CONNECTED
　 reason: (unspecified)
　 extra: (none)
　 roaming: false
　 failover: false
　 isAvailable: true
　 isConnectedToProvisioningNetwork: false 07-16 00:13:33.602 3151-3151/? D/P2pSinkActivity:
invokeSink() call requestGroupInfo() 07-16 00:13:33.612 3505-3505/? I/dnsmasq: DHCPDISCOVER(p2p-p2p0-9) 0e:8b:fd:5b:83:21 07-16 00:13:33.612 3505-3505/? I/dnsmasq: DHCPOFFER(p2p-p2p0-9) 192.168.49.246 0e:8b:fd:5b:83:21 07-16 00:13:33.612 3505-3505/? I/dnsmasq: DHCPREQUEST(p2p-p2p0-9) 192.168.49.246 0e:8b:fd:5b:83:21 07-16 00:13:33.612 3505-3505/? I/dnsmasq: DHCPACK(p2p-p2p0-9) 192.168.49.246 0e:8b:fd:5b:83:21 TEJAS-ULTRA 07-16 00:13:33.632 3151-3151/? D/P2pSinkActivity: 　onGroupInfoAvailable(): 07-16 00:13:33.642 3151-3151/? D/P2pSinkActivity: network: DIRECT-cq-K2_Dongle
　isGO: true
　GO: Device:
　deviceAddress: 46:2c:05:2d:8c:f0
　primary type: null
　secondary type: null
　wps: 0
　grpcapab: 0
　devcapab: 0
　status: 4
　wfdInfo: WFD enabled: falseWFD DeviceInfo: 0
　WFD CtrlPort: 0
　WFD MaxThroughput: 0
　Client: Device: TEJAS-ULTRA
　deviceAddress: 0c:8b:fd:5b:83:22
　primary type: 1-0050F200-0
　secondary type: null
　wps: 392
　grpcapab: 40
　devcapab: 36
　status: 0
　wfdInfo: WFD enabled: trueWFD DeviceInfo: 272
　WFD CtrlPort: 7236
　WFD MaxThroughput: 300
　interface: p2p-p2p0-9
　networkId: 9
　password: wffvMztr 07-16 00:13:33.692 3151-3151/? D/P2pSinkActivity: invokeSink() isWifiDisplaySource(TEJAS-ULTRA)=[true] port[7236] 07-16 00:13:33.702 3151-3151/? D/P2pSinkActivity: invokeSink() watch /proc/net/arp thread start. 07-16 00:13:33.712 3151-3506/? D/RarpImpl: execRarp() [0]IP address HW type Flags HW address Mask Device 07-16 00:13:33.712 3151-3506/? D/RarpImpl: execRarp() [1]192.168.49.246 0x1 0x2 0e:8b:fd:5b:83:21 p2p-p2p0-9 07-16 00:13:33.712 3151-3506/? I/RarpImpl: parseArpLine() this is header line. don't create arp[IP address HW type Flags HW address Mask Device] 07-16 00:13:33.722 3151-3506/? D/RarpImpl: parseArpLine() created arp[ IP address:192.168.49.246¥n HW type:0x1¥n Flags:0x2¥n HW address:0e:8b:fd:5b:83:21¥n Mask:¥n Device:p2p-p2p0-9] 07-16 00:13:36.722 3151-3151/? D/P2pSinkActivity: invokeSink() Source Addr[192.168.49.246:7236] 07-16 00:13:36.732 3151-3507/? D/Mira_for_You_JNI: Sink Display[1360, 768] Special[0] Nexus10[0] 07-16 00:13:36.732 3151-3507/? E/WifiDisplaySink: WifiDisplaySink() fopen error[2] 07-16 00:13:36.732 3151-3507/? D/WifiDisplaySink: WifiDisplaySink() Sink is Nexus10[0], FullHD[0] 07-16 00:13:36.732 3151-3507/? D/Mira_for_You_JNI: Source Addr[192.168.49.246] Port[7236] 07-16 00:13:38.742 3151-3507/? I/NetworkSession: connecting socket 57 to 192.168.49.246:7236 07-16 00:13:38.742 3151-3507/? I/WifiDisplaySink: We're now connected. 07-16 00:13:38.752 3151-3507/? D/NetworkSession: --> --> --> sendRequest() session[1] time[-1] result[0] 07-16 00:13:38.752 3151-3507/? D/NetworkSession: [-1][RTSP/1.0 200 OK Date: Sat, 16 Jul 2016 07:13:38 +0000 User-Agent: stagefright/1.2 (Linux;Android 4.4.2) CSeq: 1 Public: org.wfa.wfd1.0, GET_PARAMETER, SET_PARAMETER

                                             ]

07-16 00:13:38.752 3151-3507/? D/NetworkSession: --> --> --> sendRequest() session[1] time[-1] result[0] 07-16 00:13:38.752 3151-3507/? D/NetworkSession: [146][OPTIONS * RTSP/1.0 Date: Sat, 16 Jul 2016 07:13:38 +0000 User-Agent: stagefright/1.2 (Linux;Android 4.4.2) CSeq: 1 Require: org.wfa.wfd1.0

                                             ]

07-16 00:13:39.032 3151-3507/? D/NetworkSession: --> --> --> sendRequest() session[1] time[-1] result[0] 07-16 00:13:39.032 3151-3507/? D/NetworkSession: [-1][RTSP/1.0 200 OK Date: Sat, 16 Jul 2016 07:13:39 +0000 User-Agent: stagefright/1.2 (Linux;Android 4.4.2) CSeq: 2 Content-Type: text/parameters Content-Length: 181

                                             wfd_video_formats: 28 00 01 01 ffffffff ffffffff ffffffff 00 0000 0000 00 none none
                                             wfd_audio_codecs: AAC 0000000F 00
                                             wfd_client_rtp_ports: RTP/AVP/UDP;unicast 19000 0 mode=play
                                             ]

07-16 00:13:39.262 3151-3507/? D/NetworkSession: --> --> --> sendRequest() session[1] time[-1] result[0] 07-16 00:13:39.262 3151-3507/? D/NetworkSession: [-1][RTSP/1.0 200 OK Date: Sat, 16 Jul 2016 07:13:39 +0000 User-Agent: stagefright/1.2 (Linux;Android 4.4.2) CSeq: 3

                                             ]

07-16 00:13:39.262 3151-3507/? D/NetworkSession: --> --> --> sendRequest() session[1] time[-1] result[0] 07-16 00:13:39.262 3151-3507/? D/NetworkSession: [206][SETUP rtsp://x.x.x.x:x/wfd1.0/streamid=0 RTSP/1.0 Date: Sat, 16 Jul 2016 07:13:39 +0000 User-Agent: stagefright/1.2 (Linux;Android 4.4.2) CSeq: 2 Transport: RTP/AVP/UDP;unicast;client_port=8760-8761

                                             ]

07-16 00:13:39.262 3151-3507/? D/NetworkSession: --> --> --> sendRequest() session[1] time[-1] result[0] 07-16 00:13:39.262 3151-3507/? D/NetworkSession: [-1][RTSP/1.0 200 OK Date: Sat, 16 Jul 2016 07:13:39 +0000 User-Agent: stagefright/1.2 (Linux;Android 4.4.2) CSeq: 4

                                             ]

07-16 00:13:39.262 3151-3507/? E/WifiDisplaySink: Invalid server_port description '63683-63685'. 07-16 00:13:39.262 3151-3507/? A/WifiDisplaySink: frameworks/av/media/libstagefright/wifi-display/sink/WifiDisplaySink.cpp:652 CHECK_EQ( err,(status_t)OK) failed: -1007 vs. 0 07-16 00:13:39.262 3151-3507/? A/libc: Fatal signal 6 (SIGABRT) at 0x00000c4f (code=-6), thread 3507 (Thread-70)

thats it nothing else after it, mira4u P2PSinkActivity destoy, but if we connect it with any other android device it works like charm, and i also added patch from fix, but still the same for only Windows device

[kensuke]

https://github.com/kensuke/How-to-Miracast-on-AOSP/blob/master/frameworks/av/media/libstagefright/wifi-display/sink/WifiDisplaySink.cpp#L368

int rtpPort, rtcpPort;
if (sscanf(serverPortStr.c_str(), "%d-%d", &rtpPort, &rtcpPort) != 2
        || rtpPort <= 0 || rtpPort > 65535
        || rtcpPort <=0 || rtcpPort > 65535
        || rtcpPort != rtpPort + 1) {                             // failed this condition '63683-63685'
    ALOGE("Invalid server_port description '%s'.",
            serverPortStr.c_str());

    return ERROR_MALFORMED;
}

[M9Apar]

Hi we tested windows pc as well laptop with other Android app and it cast smoothly, but since we working on product we can't use it, and about above condition then ports well below range I dnt find issue with it

[kensuke]

rtpPort = 63683; rtcpPort = 63685;

if (rtcpPort != rtpPort + 1) return ERROR_MALFORMED; else // go through next steps..

[M9Apar]

So thts cause libc to crash?

[kensuke]

/frameworks/av/media/libstagefright/wifi-display/sink/WifiDisplaySink.cpp libstagefright_wfd.so

[M9Apar]

So i think if I comment tht condition then it should work ?

[M9Apar]

confirmed that there is an issue if we comment or bypass that condition then also it crashed on same @ libc

[xuwen0306]

There are 2 issues in your logcat:

Sink received SETUP request and response OK, but the request has invalid argument: [206][SETUP rtsp://x.x.x.x:x/wfd1.0/streamid=0 RTSP/1.0 Date: Sat, 16 Jul 2016 07:13:39 +0000 User-Agent: stagefright/1.2 (Linux;Android 4.4.2) CSeq: 2 Transport: RTP/AVP/UDP;unicast;client_port=8760-8761

issue1: in the first Line, the IP address should be valid (like 192.168.0.1 ), but not "x.x.x.x". issue2: in Transport section, source side should send "server_port:xxxx-xxxx", xxxx means the port server using.

Maybe issue1 is not critical, but issue2 could caused the libc crash.

For more easier debug, you can use tcpdump to capture the TCP package from the port.

Basically usage: tcpdump -i p2p_interface_name -w path_to_store_the_file.pcap

You can use wireshark to open the pcap file.