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• Http 400 error : requesting https site with ip instead of hostname Android

  8 novembre 2016, par David Barishev

  Im am developing an android application using xamarin.android.
  In my application i use ffmpeg as a static library, from here.

  In my app i try to access a https site, but i was getting a dns error until i read the documentation, it stated that :

  A limitation of statically linking glibc is the loss of DNS
  resolution. Installing
  nscd through your package manager will fix this or you can use
  "ffmpeg -i http://<ip address="address" here="here">/"</ip> instead of "ffmpeg -i http://example.com/"

  So i tried to lookup the ip address and just replace the hostname. Here is the code i have written :

  ...
  
  //part of main program
  
  if (inputUrl.StartsWith("http"))
  
  {
  
     var splits = inputUrl.Split('/');
  
     var hostName = splits[2];
  
     var ip = GetIpForHost(hostName);
  
     splits[2] = ip;
  
     inputUrl= string.Join("/",splits);
  
  }
  
  //calling ffmpeg with the new url
  
  ...
  
  
  
  private static string GetIpForHost(string hostname)
  
  {
  
      System.Net.IPHostEntry host = System.Net.Dns.GetHostEntry(hostname);
  
      return host.AddressList.First().ToString();
  
  }

  The code works fine, but now i’m getting different error, here is the ffmpeg log :

  [https @ 0xb2b08e0] HTTP error 400 Bad Request

  The original url i tried :

  https://r8---sn-ivuoxu-ua8l.googlevideo.com/videoplayback?pl=26&itag=22&mt=1478622247&ms=au&ei=Mv0hWLWEAs-VW7zch6AB&mv=m&upn=DLluZN9oSzo&mn=sn-ivuoxu-ua8l&expire=1478644114&mm=31&ratebypass=yes&id=o-AC_NwrGbkh5OVe-ypJh2WaxzMBK5grMVsSYyG_wMQVZI&ip=5.29.246.6&pcm2cms=yes&key=yt6&lmt=1478408938763105&dur=229.575&initcwndbps=2682500&ipbits=0&gcr=il&requiressl=yes&sparams=dur,ei,gcr,id,initcwndbps,ip,ipbits,itag,lmt,mime,mm,mn,ms,mv,pcm2cms,pl,ratebypass,requiressl,source,upn,expire&mime=video/mp4&source=youtube&signature=0E47DFC7FBBDBCD6F36B56FB9871ED3B0DF4D12A.103BAB44FFEE918B78C7D076243B45AF69C444EC
  
  //Modifed url
  
  https://213.57.23.19/videoplayback?ratebypass=yes&ipbits=0&pl=26&requiressl=yes&mime=video/mp4&expire=1478643396&pcm2cms=yes&mt=1478621598&upn=mUgYIoXd3Dc&itag=22&mm=31&mn=sn-ivuoxu-ua8l&key=yt6&ip=5.29.246.6&dur=229.575&source=youtube&lmt=1478408938763105&ei=ZPohWKzbFoG9cpGGsIgH&id=o-AFbYd2BFoMp37bNWC1c0mtfqEwcwbQaNXrF2WraCeK2W&ms=au&gcr=il&mv=m&sparams=dur,ei,gcr,id,initcwndbps,ip,ipbits,itag,lmt,mime,mm,mn,ms,mv,pcm2cms,pl,ratebypass,requiressl,source,upn,expire&initcwndbps=2657500&signature=BFB25E20CD92AA3B85D115DB878F0BC2E94A1BF4.C36FBD7733D2CAF1E277FF3B625BED432822C012: Server returned 400 Bad Request

  I have no problem accessing the original url through the browser, at the time i ran the program(There is a expired tag in the url,since i’m generating it at runtime).

  I speculate that it’s not possible to connect via https through ip ?
  Is there another way to connect to the url without the hostname, since android does have build in dns resolution, since i am able to view the url through the browser ?

• Need to Download Videos From (Ap.lk) This site [closed]

  20 mars 2024, par Seamon

  Getting this error when using the URL with FFmpeg

  


  [https @ 00000191353bfc00] No trailing CRLF found in HTTP header. Adding it
[ in#0 @ 00000191353aa580] Error opening input: Invalid data found when processing input

Error opening input file https://video.ap.lk/stream/ad470e41-5a62-43da-b8ab-6a0e9d0a7316 

Error opening input files: Invalid data found when processing input


  


  This is the regular URL that I use to get the video :

  


  https://video.ap.lk/stream/ad470e41-5a62-43da-b8ab-6a0e9d0a7316

  


  Using this FFmpeg command :

  


  ffmpeg -user_agent "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36 OPR/107.0.0.0" -headers "Cookie: google-analyze=2f506b9c-9387-4727-ab57-821718fedb38; Path=/" -referer "https://ap.lk" -i "https://video.ap.lk/stream/ad470e41-5a62-43da-b8ab-6a0e9d0a7316" -c copy "ad470e41-5a62-43da-b8ab-6a0e9d0a7316.mp4"


  


  What should I do ? Is there anything wrong with URL or what else ?

  


• Anomalie #3756 (Fermé) : Plan du site de l’espace privé

  4 mai 2017

  Corrigé en 3.2 par https://zone.spip.org/trac/spip-zone/changeset/104161 et reporté en 3.1 par https://zone.spip.org/trac/spip-zone/changeset/104164