Re: Problem with a WM link

Please ignore the earlier mail. It was sent mistakenly.

Thanks,
Deepak Jain

Deepak Jain wrote:
> Hi,
>
> We have a radio link namely:
>
> http://b1.mediayou.net/cgi-bin/mmsurl_hinet?id=228
>
> When I try it in Real Player for Windows, it asks to download a file. 
> The file is actually a asx file with 2 mms links, the first link plays 
> while another don't.
> While I try to play the first link using original *mms* scheme, it 
> doesn't gets played.
>
> When I try the link with *httpt*, it gives an error as HXR_NET_CONNECT.
> During debugging, I found that inside 
> CHttpClient::ParseDescribeResponse() in httpclient.cpp, when we reach 
> to the point around line no. 262:
>
>     // Process the packet's data.
>     {
>         CComPtr<INSSBuffer> pSingleBody;
>         DWORD dwLength;
>         BYTE * pbDest;
>         IWMSPacket * pBody = pResponse->PBody();
>         CHECKNULL_RET(pBody, E_INVALIDARG);
>
> This pResponse is actually gets here from 
> CASFFileFormatNet::OnDescribe(IAsyncResult* pResult). And here 
> pResult->m_presponse->m_Pbody is already NULL. I don't know why it is 
> coming as NULL here as i try to debug but call stack was leading to 
> nowhere.
>
> In the above piece of code, when we get *pBody* as NULL , 
> ParseDescribeResponse() returns result as E_INVALIDARG. This error 
> gets propagated further and in CASFFileFormatNet::OnDescribe() in 
> asf_file_format_net.cpp around line no 1140.
>
> HRESULT hr = m_pNetClient->EndDescribe(pResult, 
> &m_pPresentationDescription);      
> if ( SUCCEEDED(hr) &&
>              m_pPresentationDescription &&
>              (m_pPresentationDescription->m_hr == NS_E_REDIRECT) )
>         {
>             // Post a message to the thread
>             HXThreadMessage msg(HXMSG_WMNET_REDIRECT, (void*) hr, NULL);
>             ProcessMsg(&msg);
>         }
> else   
>         {
>             // Post a message to the thread
>             HXThreadMessage msg(HXMSG_WMNET_END_DESCRIBE, (void*) hr, 
> NULL);
>             ProcessMsg(&msg);
>         }   
>
> Above hr don't gets succeeded so it goes to else and 
> HXMSG_WMNET_END_DESCRIBE message is being sent. Now when it receives 
> the message in CASFFileFormatNet::ThreadFunc() in asf_file_format_net.cpp
>
>             while (!bDone)
>             {
>                 // We communicate with this thread via messages. So 
> here we wait on messages.
>                 // We don't filter messages in the GetMessage() call.
>                 HXThreadMessage msg;
>                 retVal = m_pThread->GetMessage(&msg, 0, 0);    *<---- 
> Here msg gets the values
>
> *and it goes to case HXMSG_WMNET_END_DESCRIBE and gets failed inside 
> function CASFFileFormatNet::ThreadHandleEndDescribe()
> because
>
> HRESULT hr = (HRESULT) pMsg->m_pParam1;  *<----- hr comes out to be 
> non-zero
>
> *and therefore error is returned back using the function
>
>                 // Map the WM error to a Helix error
>                 retVal = MapWMToHelixErrorCode(hr);
>
>
> Now below are the wire shark logs taken while playing the mms link in 
> the Windows Media Player.
> The Logs contained two request/responses that we get in wireshark when 
> the link is played in WMP. The link plays fine in WMP.
>
> I am not sure whether we support such type of streams.
> Please suggest.
>
> Thanks,
> Deepak Jain
>
> ***************************************************************************************************
> GET 
> /203.69.144.202/live.media.hinet.net/Radio_e-classical?hichD391ACCF-092A-4214-803D-8BFA968CC761 
> HTTP/1.1
> Accept: */*
> User-Agent: NSPlayer/11.0.5721.5145
> Host: 203.69.144.131
> X-Accept-Authentication: Negotiate, NTLM, Digest, Basic
> Pragma: version11-enabled=1
> Pragma: 
> no-cache,rate=1.000,stream-time=0,stream-offset=0:0,packet-num=4294967295,max-duration=0
> Pragma: packet-pair-experiment=1
> Pragma: pipeline-experiment=1
> Supported: com.microsoft.wm.srvppair, com.microsoft.wm.sswitch, 
> com.microsoft.wm.predstrm, com.microsoft.wm.startupprofile
> Pragma: xClientGUID={3300AD50-2C39-46c0-AE0A-AD0B57E96DC2}
> Accept-Language: en-US, *;q=0.1
>
> HTTP/1.0 200 OK
> Content-Type: application/vnd.ms.wms-hdr.asfv1
> Cache-Control: no-cache, proxy-public, proxy-revalidate, max-age=0
> Server: Cougar/9.00.00.3372
> Via:TPDB-CS08 (NetCache NetApp/6.0.4P1D1), TPDB-CS13 (NetCache 
> NetApp/6.0.4P1D1)
> Pragma: client-id=36903803
> Pragma: features="broadcast"
> Supported: com.microsoft.wm.srvppair, com.microsoft.wm.sswitch, 
> com.microsoft.wm.fastcache
>
> **************************************************************************************************
> GET 
> /203.69.144.202/live.media.hinet.net/Radio_e-classical?hichD391ACCF-092A-4214-803D-8BFA968CC761 
> HTTP/1.0
> Accept: */*
> User-Agent: NSPlayer/11.0.5721.5145
> Host: 203.69.144.131
> X-Accept-Authentication: Negotiate, NTLM, Digest, Basic
> Pragma: 
> no-cache,rate=1.000,stream-time=0,stream-offset=4294967295:4294967295,packet-num=4294967295,max-duration=0
> Pragma: xPlayStrm=1
> Pragma: client-id=36903803
> Pragma: LinkBW=608566, AccelBW=2147483647, AccelDuration=10000
> Supported: com.microsoft.wm.srvppair, com.microsoft.wm.sswitch, 
> com.microsoft.wm.predstrm
> Pragma: playlist-gen-id=968728
> Pragma: xClientGUID={3300AD50-2C39-46c0-AE0A-AD0B57E96DC2}
> Pragma: stream-switch-count=1
> Pragma: stream-switch-entry=ffff:1:0
> Accept-Language: en-us, *;q=0.1
>
>
> HTTP/1.0 200 OK
> Content-Type: application/x-mms-framed
> Cache-Control: no-cache, user-public, must-revalidate, proxy-public, 
> proxy-revalidate
> Server: Cougar/9.00.00.3372
> Via:TPDB-CS08 (NetCache NetApp/6.0.4P1D1), TPDB-CS13 (NetCache 
> NetApp/6.0.4P1D1)
> Pragma: client-id=36903806
> Pragma: Speed=1.0
> Pragma: AccelDuration=10000
> Pragma: AccelBW=3500000
> Pragma: features="broadcast"
> Supported: com.microsoft.wm.srvppair, com.microsoft.wm.sswitch, 
> com.microsoft.wm.fastcache
>
> **************************************************************************************
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> Helix-client-dev mailing list
> [email protected]
> http://lists.helixcommunity.org/mailman/listinfo/helix-client-dev
>

_______________________________________________
Helix-client-dev mailing list
[email protected]
http://lists.helixcommunity.org/mailman/listinfo/helix-client-dev