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• Powershell : Start-Job a script, cannot connect to youtube

  16 mai 2016, par Kostas Georgokitsos

  I am a bit new to PS, so please bear with me. I have written a script that starts an ffmpeg proccess, and in an endless loop waits for the process, and restarts it as ffmpeg is a bit shaky. ffmpeg is taking an rtsp stream from a camera and forwards it to youtube.

  # initialization
  
  $buffer_size = "30720k" # 60 sec * 512kbps
  
  $ffm = "C:\Users\kostas\Downloads\_software\ffmpeg-20160308-git-5061579-win32-static\bin\ffmpeg.exe"
  
  $params = "-f lavfi -i aevalsrc=0  -thread_queue_size 512 -i rtsp://$($usr):$($pw)@$($cam_ip):554/mpeg-4/ch1/main//av_stream/ -f flv -vcodec copy -acodec aac -bufsize $($buffer_size) rtmp://a.rtmp.youtube.com/live2/$($youtube_key)"
  
  $params_bak = $params.Replace('/live2/','/live2/?backup=1/')
  
  # start stream(s)
  
  while (1 -eq 1) {
  
    $err_log = "C:\Users\kostas\Documents\logs\Stream_Error-$(Get-Date -Format dd-MM-yyyy_HH-mm-ss).log"
  
    $out_log = "C:\Users\kostas\Documents\logs\Stream-$(Get-Date -Format dd-MM-yyyy_HH-mm-ss).log"
  
    $strm_app = Start-Process $ffm $params -PassThru -WindowStyle Minimized -RedirectStandardError $err_log -RedirectStandardOutput $out_log
  
    Wait-Process $strm_app.Id
  
  } 

  When I call the script from the powershell prompt directly like .\youtube_cam_1.ps1 all is well, but the powershell prompt locks, obviously.

  When I start like Start-Job -FilePath C:\Users\kostas\Documents\youtube_cam_1.ps1 the job starts allright and I also see the ffmpeg process starting and running, but the youtube channel stays offline. Now to the funny bit : doing Stop-Job does not kill the ffmpeg process, and suddenly ffmpeg can connect to youtube.

  I want to start and run several camera streams (i.e. ffmpeg instances) in the end and need the looping script to somehow go into the background. Is Start-Job the wrong way to do it ?

  What is happening ?

• FFserver : cannot connect via rtsp

  27 avril 2016, par newfoundstory

  so im currrently trying to stream my windows desktop using ffmpeg into a raspberry pi running ffserver.
  The client software im using needs to use RTSP, however i cannot connect to the stream no matter what i try.
  I even used VLC in the messages it just says it cannot connect to the stream.
  Any help would be greatly appreciated !
  Im attempting to access the stream with rtsp :// 169.254.70.227 :8544/test.flv, as soon as i do it stops the ffmpeg feed

  FFserver conf

  `RTSPPort 8544
  
  HTTPPort 8090                      # Port to bind the server to
  
  HTTPBindAddress 0.0.0.0
  
  MaxHTTPConnections 2000
  
  MaxClients 1000
  
  MaxBandwidth 10000             # Maximum bandwidth per client
  
                                 # set this high enough to exceed stream bitrate
  
  CustomLog -                       # Remove this if you want FFserver to daemoni$
  
  
  
  <feed>               # This is the input feed where FFmpeg will send
  
     File ./feed1.ffm            # video stream.
  
     FileMaxSize 100000K              # Maximum file size for buffering video
  
     ACL allow 192 .168.0.8
  
     ACL allow 192 .168.0.17
  
     ACL allow 169 .254.70.227
  
     ACL allow 169 .254.9.29
  
     ACL allow 169 .254.165.231
  
     ACL allow 10 .14.2.197
  
     ACL allow 192 .168.0.13
  
     ACL allow 10 .14.2.197
  
     ACL allow 192.16 8.0.13
  
     ACL allow 192.1 68.1.3
  
     ACL allow 192. 168.1.4
  
     ACL allow 192 .168.1.2
  
  </feed>
  
  
  
  <stream>                       # Output stream URL definition
  
     Format rtp
  
     Feed feed1.ffm
  
  NoAudio
  
  
  
     # Video settings
  
     VideoCodec libx264
  
     VideoSize 720x576           # Video resolution
  
  VideoBufferSize 2000
  
  
  
   VideoFrameRate 30           # Video FPS
  
      # Parameters passed to encoder
  
     AVOptionVideo qmin 10
  
     AVOptionVideo qmax 42
  
  
  
     PreRoll 15
  
     StartSendOnKey
  
  MulticastAddress 224 .124.0.1
  
  MulticastPort 5000
  
  MulticastTTL 16
  
     VideoBitRate 450            # Video bitrate
  
  </stream>
  
  
  
  <stream>                    # Server status URL
  
     Format status
  
     # Only allow local people to get the status
  
     ACL allow localhost
  
    # Only allow local people to get the status
  
     ACL allow localhost
  
     ACL allow 192.168. 0.0 192.168. 255.255
  
  </stream>
  
  
  
  <redirect html="html">    # Just an URL redirect for index
  
     # Redirect index.html to the appropriate site
  
     URL http   ://www.  ffmpeg .org/
  
  </redirect>`

  FFmpeg feed

  ffmpeg -rtbufsize 2100M -f dshow -r 29.970 -i video=screen-capture-recorder -c video=screen-capture-recorder.flv http  ://  169 .254.70.227:8090/ feed1.ffm

  FFserver output

    configuration: --arch=armel --target-os=linux --enable-gpl --enable-libx264 --enable-nonfree
  
    libavutil      55. 22.101 / 55. 22.101
  
    libavcodec     57. 35.100 / 57. 35.100
  
    libavformat    57. 34.103 / 57. 34.103
  
    libavdevice    57.  0.101 / 57.  0.101
  
    libavfilter     6. 44.100 /  6. 44.100
  
    libswscale      4.  1.100 /  4.  1.100
  
    libswresample   2.  0.101 /  2.  0.101
  
    libpostproc    54.  0.100 / 54.  0.100
  
  /etc/ffserver.conf:48: Setting default value for video bit rate tolerance = 112500. Use NoDefaults to disable it.
  
  /etc/ffserver.conf:48: Setting default value for video rate control equation = tex^qComp. Use NoDefaults to disable it.
  
  /etc/ffserver.conf:48: Setting default value for video max rate = 20744848. Use NoDefaults to disable it.
  
  Wed Apr 27 10:33:46 2016 FFserver started.
  
  Wed Apr 27 10:33:46 2016 224.124.0.1:5000 - - "PLAY test.flv/streamid=0 RTP/MCAST"
  
  Wed Apr 27 10:33:46 2016 [rtp @ 0x13d4660]Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
  
  Wed Apr 27 10:33:49 2016 169.254.165.231 - - [GET] "/feed1. ffm HTTP/1.1" 200 4175

  FFMpeg output

  Stream mapping:
  
    Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
  
  Press [q] to stop, [?] for help
  
  [swscaler @ 000000000252f5e0] Warning: data is not aligned! This can lead to a speedloss
  
  av_interleaved_write_frame(): Unknown errortime=00:00:05.00 bitrate= 249.0kbits/s speed=0.393x
  
  Error writing trailer of http:  //169. 254.70.227:8090/feed1.ffm: Error number -10053 occurredframe=  204 fps= 15 q=26.0 Lsize=     164kB time=00:00:05.03 bitrate= 266.9kbits/s speed=0.365x
  
  video:155kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 5.475512%
  
  [libx264 @ 00000000025187e0] frame I:1     Avg QP:34.24  size: 32151
  
  [libx264 @ 00000000025187e0] frame P:59    Avg QP:27.14  size:  1807
  
  [libx264 @ 00000000025187e0] frame B:144   Avg QP:32.16  size:   168
  
  [libx264 @ 00000000025187e0] consecutive B-frames:  4.9%  2.0%  2.9% 90.2%
  
  [libx264 @ 00000000025187e0] mb I  I16..4: 26.0% 23.1% 50.9%
  
  [libx264 @ 00000000025187e0] mb P  I16..4:  1.9%  1.6%  1.1%  P16..4:  4.3%  0.6%  0.4%  0.0%  0.0%    skip:90.2%
  
  [libx264 @ 00000000025187e0] mb B  I16..4:  0.2%  0.1%  0.1%  B16..8:  3.1%  0.1%  0.0%  direct: 0.1%  skip:96.3%  L0:26.0% L1:73.5% BI: 0.5%
  
  [libx264 @ 00000000025187e0] final ratefactor: 24.13
  
  [libx264 @ 00000000025187e0] 8x8 transform intra:31.8% inter:47.1%
  
  [libx264 @ 00000000025187e0] coded y,u,v intra: 28.1% 8.2% 6.3% inter: 0.6% 0.2% 0.1%
  
  [libx264 @ 00000000025187e0] i16 v,h,dc,p: 30% 63%  6%  1%
  
  [libx264 @ 00000000025187e0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 16% 63%  1%  0%  0%  1%  0%  3%
  
  [libx264 @ 00000000025187e0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 39% 15%  2%  2%  3%  4%  3%  4%
  
  [libx264 @ 00000000025187e0] Weighted P-Frames: Y:0.0% UV:0.0%
  
  [libx264 @ 00000000025187e0] ref P L0: 66.3% 13.1% 16.9%  3.6%
  
  [libx264 @ 00000000025187e0] ref B L0: 66.6% 29.7%  3.8%
  
  [libx264 @ 00000000025187e0] ref B L1: 91.7%  8.3%
  
  [libx264 @ 00000000025187e0] kb/s:191.78
  
  Conversion failed!

• Unable to connect to RTSP server ffmpeg

  22 avril 2016, par JSC

  I am trying to stream video from my Android device to my laptop. I am using libstreaming for the RTSP client on my Android device and I am using ffmpeg for the server.

  I am trying to start the server using the following command(I’ve also included the output after running the command)

  ffmpeg -rtsp_flags listen -i rtsp://localhost:3001/test.sdp output.sdp
  
  
  
      ffmpeg version 2.8.6 Copyright (c) 2000-2016 the FFmpeg developers
  
      built with Apple LLVM version 7.0.2 (clang-700.1.81)
  
      configuration: --prefix=/usr/local/Cellar/ffmpeg/2.8.6 --enable-shared 
  
      --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables 
  
      --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-opencl 
  
      --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid 
  
      --enable-libfaac --enable-nonfree --enable-vda
  
      libavutil      54. 31.100 / 54. 31.100
  
      libavcodec     56. 60.100 / 56. 60.100
  
      libavformat    56. 40.101 / 56. 40.101
  
      libavdevice    56.  4.100 / 56.  4.100
  
      libavfilter     5. 40.101 /  5. 40.101
  
      libavresample   2.  1.  0 /  2.  1.  0
  
      libswscale      3.  1.101 /  3.  1.101
  
      libswresample   1.  2.101 /  1.  2.101
  
      libpostproc    53.  3.100 / 53.  3.100

  However, my Android cannot connect to the server. Using nmap, I see that the port 3001 is closed. What am doing wrong ?