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• mimic : do not release the newly obsolete reference at the end of decoding

  25 juillet 2016, par Anton Khirnov

  mimic : do not release the newly obsolete reference at the end of decoding
  The reference frames are used in update_thread_context(), so modifying
  
  them after finish_setup() is a race. The frame in question will be
  
  released during the next decode call.
  CC : libav-stable@libav.org
  

  • [DBH] libavcodec/mimic.c

• Nuxeo video conversion issue

  14 septembre 2016, par pradeep gowda

  I am new to nuxeo. Let me describe.

  Description :
  1. Nuxeo requires external service ffmpeg to convert video in to different formats[mp4,webm etc...]
  2. ffmpeg is installed
  3. Problem in Video conversion

  If i start nuxeo as below

  Path= $NUXEO_HOME/bin
  ./nuxeoctl start

  No issues, Works fine.

  But i am facing issue in video conversion when i start nuxeo as daemon service.

  service nuxeo start

  Below is my Bash Script :

  #!/bin/sh
  
  ### BEGIN INIT INFO
  
  # Provides:          nuxeo
  
  # Required-Start:    $local_fs $remote_fs $network $syslog
  
  # Required-Stop:     $local_fs $remote_fs $network $syslog
  
  # Default-Start:     2 3 4 5
  
  # Default-Stop:      0 1 6
  
  # Short-Description: Start/stop Nuxeo
  
  # Description:       Start/stop Nuxeo
  
  ### END INIT INFO
  
  
  
  DESC="Nuxeo"
  
  
  
  NUXEOCTL="/opt/cisco/nuxeo-cap-7.10-tomcat/bin/nuxeoctl"
  
  NUXEO_CONF="/var/lib/nuxeo/conf/nuxeo.conf"
  
  export NUXEO_CONF
  
  
  
  
  
  
  
  function start() {
  
      echo $$ > /var/run/nuxeo.pid
  
      exec $NUXEOCTL --quiet startbg
  
  }
  
  
  
  function stop() {
  
      $NUXEOCTL --quiet stop
  
      /bin/rm /var/run/nuxeo.pid
  
  }
  
  
  
  case "$1" in
  
    start)
  
          start
  
          ;;
  
    stop)
  
          stop
  
          ;;
  
    restart)
  
          
  
          $NUXEOCTL --quiet restart
  
          
  
          ;;
  
    force-reload)
  
          
  
          $NUXEOCTL --quiet restart
  
          ;;
  
    status)
  
          $NUXEOCTL --quiet status
  
          ;;
  
    showconf)
  
          $NUXEOCTL --xml showconf
  
          ;;
  
    *)
  
          echo "Usage: $0 {start|stop|restart|force-reload|status|showconf}" >&2
  
          exit 3
  
          ;;
  
  esac

  I am getting following error. when i try to upload video.

  2016 - 09 - 14 05: 49: 01, 943 ERROR[Nuxeo - Work - videoConversion - 2][org.nuxeo.ecm.core.work.AbstractWork] Exception during work: VideoConversionWork(9596ea87 - 43dd - 4ba8 - b691 - 6e519a7eccfb, /videoAutomaticConversions:138979904092822.1006934040, Progress(?%, ?/0), Transcoding)
  
  org.nuxeo.ecm.core.convert.api.ConverterNotAvailable: Converter convertToWebM is not available
  
  at org.nuxeo.ecm.core.convert.service.ConversionServiceImpl.convert(ConversionServiceImpl.java: 178)
  
  at org.nuxeo.ecm.platform.video.service.VideoServiceImpl.convert(VideoServiceImpl.java: 175)
  
  at org.nuxeo.ecm.platform.video.service.VideoConversionWork.work(VideoConversionWork.java: 100)
  
  at org.nuxeo.ecm.core.work.AbstractWork.runWorkWithTransaction(AbstractWork.java: 340)
  
  at org.nuxeo.ecm.core.work.AbstractWork.runWorkWithTransactionAndCheckExceptions(AbstractWork.java: 301)
  
  at org.nuxeo.ecm.core.work.AbstractWork.run(AbstractWork.java: 272)
  
  at org.nuxeo.ecm.core.work.WorkHolder.run(WorkHolder.java: 52)
  
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java: 1142)
  
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java: 617)
  
  at java.lang.Thread.run(Thread.java: 745)

  I don’t know why. I am behind this issue but still i am not able find solution for this .

• Streaming Rtsp stream to website using FFmpeg and FFserver.

  23 août 2016, par Pallav Gupta

  I am working on a website for a client and one of the requirement is to embed the video from HikVision DVR DS7116. I have the RTSP url for the DVR. I want help with FFmpeg and FFserver. I already have written my ffserver config file.

  /etc/ffserver.config
  
  
  
  Port 9500
  
  # bind to all IPs aliased or not
  
  BindAddress 0.0.0.0
  
  # max number of simultaneous clients
  
  MaxClients 1000
  
  # max bandwidth per-client (kb/s)
  
  MaxBandwidth 10000
  
  # Suppress that if you want to launch ffserver as a daemon.
  
  NoDaemon
  
  
  
  <feed>
  
  File /tmp/feed1.ffm
  
  FileMaxSize 5M
  
  </feed>
  
  
  
  <stream>
  
  Feed feed1.ffm
  
  Format swf
  
  VideoCodec flv
  
  VideoFrameRate 15
  
  VideoBufferSize 80000
  
  VideoBitRate 100
  
  VideoQMin 1
  
  VideoQMax 5
  
  VideoSize 352x288
  
  PreRoll 0
  
  Noaudio
  
  </stream>

  I next run my ffserver and ffmpeg command which is

  ffserver & ffmpeg -re -i rtsp://admin:12345@192.168.1.3/MPEG-4/ch1/main/av_stream  http://192.168.1.105:9500/feed1.ffm

  The output which i receive is as follows

  ffmpeg version N-80901-gfebc862 Copyright (c) 2000-2016 the FFmpeg developers
  
    built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
  
    configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libfreetype --enable-gnutls --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvidstab
  
  
  
    libavutil      55. 28.100 / 55. 28.100
  
    libavcodec     57. 48.101 / 57. 48.101
  
    libavformat    57. 41.100 / 57. 41.100
  
    libavdevice    57.  0.102 / 57.  0.102
  
    libavfilter     6. 47.100 /  6. 47.100
  
    libavresample   3.  0.  0 /  3.  0.  0
  
    libswscale      4.  1.100 /  4.  1.100
  
    libswresample   2.  1.100 /  2.  1.100
  
    libpostproc    54.  0.100 / 54.  0.100
  
  
  
  [rtsp @ 0x20c4720] Missing PPS in sprop-parameter-sets, ignoring
  
  [h264 @ 0x20c7f60] non-existing PPS 0 referenced
  
      Last message repeated 1 times
  
  [h264 @ 0x20c7f60] decode_slice_header error
  
  [h264 @ 0x20c7f60] no frame!
  
  [rtsp @ 0x20c4720] RTP: missed 1137 packets
  
  [rtsp @ 0x20c4720] max delay reached. need to consume packet
  
  [rtsp @ 0x20c4720] RTP: missed 1125 packets
  
  [rtsp @ 0x20c4720] max delay reached. need to consume packet
  
  [rtsp @ 0x20c4720] RTP: missed 1126 packets
  
  
  
  Guessed Channel Layout for Input Stream #0.1 : mono
  
  Input #0, rtsp, from 'rtsp://admin:12345@192.168.1.3/MPEG-4/ch1/main/av_stream':
  
    Metadata:
  
      title           : HIK Media Server
  
      comment         : HIK Media Server Session Description : standard
  
    Duration: N/A, start: 0.000000, bitrate: N/A
  
      Stream #0:0: Video: h264 (Baseline), yuv420p, 352x288, 10 fps, 25 tbr, 90k tbn, 20 tbc
  
      Stream #0:1: Audio: pcm_mulaw, 8000 Hz, 1 channels, s16, 64 kb/s
  
  [ffm @ 0x21c0e80] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
  
  
  
  Output #0, ffm, to 'http://192.168.1.105:9500/feed1.ffm':
  
    Metadata:
  
      title           : HIK Media Server
  
      comment         : HIK Media Server Session Description : standard
  
      creation_time   : now
  
      encoder         : Lavf57.41.100
  
      Stream #0:0: Video: flv1 (flv), yuv420p, 352x288, q=1-5, 100 kb/s, 10 fps, 1000k tbn, 15 tbc
  
  
  
      Metadata:
  
        encoder         : Lavc57.48.101 flv
  
      Side data:
  
        cpb: bitrate max/min/avg: 200000/0/100000 buffer size: 655360000 vbv_delay: -1
  
  
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (h264 (native) -> flv1 (flv))
  
  Press [q] to stop, [?] for help
  
  frame=    0 fps=0.0 q=0.0 size=       4kB time=00:00:00.00 bitrate=N/A speed=   frame=    0 fps=0.0 q=0.0 size=       4kB time=00:00:00.00 bitrate=N/A speed=   frame=    0 fps=0.0 q=0.0 size=       4kB time=00:00:00.00 bitrate=N/A speed=   Past duration 1.003319 too large
  
      Last message repeated 1 times
  
  Past duration 1.005333 too large
  
  frame=   31 fps= 15 q=31.0 size=      56kB time=00:00:02.00 bitrate= 229.4kbits/Past duration 1.005653 too large
  
  Past duration 1.005989 too large
  
  frame=   37 fps= 15 q=24.8 size=      76kB time=00:00:02.40 bitrate= 259.4kbits/Past duration 1.006660 too large
  
  Past duration 1.006996 too large
  
  frame=   46 fps= 15 q=31.0 size=      80kB time=00:00:03.00 bitrate= 218.5kbits/Past duration 1.007988 too large
  
  Past duration 1.008659 too large
  
  frame=   53 fps= 15 q=31.0 size=      96kB time=00:00:03.46 bitrate= 226.9kbits/Past duration 1.009987 too large
  
  Past duration 1.010323 too large
  
  frame=   61 fps= 15 q=24.8 size=     116kB time=00:00:04.00 bitrate= 237.6kbits/Past duration 1.010994 too large
  
  Past duration 1.011330 too large
  
  Past duration 1.011986 too large
  
  frame=   68 fps= 15 q=31.0 size=     120kB time=00:00:04.46 bitrate= 220.1kbits/Past duration 1.012657 too large
  
  
  
  [rtsp @ 0x20c4720] max delay reached. need to consume packet
  
  [rtsp @ 0x20c4720] RTP: missed 1114 packets
  
  [rtsp @ 0x20c4720] max delay reached. need to consume packet
  
  [rtsp @ 0x20c4720] RTP: missed 1115 packets
  
  Past duration 1.012993 too large
  
  frame=   76 fps= 15 q=31.0 size=     140kB time=00:00:05.00 bitrate= 229.4kbits/Past duration 1.013664 too large
  
  Past duration 1.014320 too large
  
  Past duration 1.014656 too large
  
  frame=   83 fps= 15 q=31.0 size=     144kB time=00:00:05.46 bitrate= 215.8kbits/Past duration 1.015327 too large
  
  [rtsp @ 0x20c4720] max delay reached. need to consume packet
  
  [rtsp @ 0x20c4720] RTP: missed 1103 packets
  
  [rtsp @ 0x20c4720] max delay reached. need to consume packet
  
  [rtsp @ 0x20c4720] RTP: missed 1104 packets
  
  
  
  Past duration 1.015999 too large
  
  frame=   91 fps= 15 q=31.0 size=     160kB time=00:00:06.00 bitrate= 218.5kbits/Past duration 1.016655 too large
  
  Past duration 1.017326 too large
  
  Past duration 1.017998 too large
  
  frame=   98 fps= 15 q=31.0 size=     180kB time=00:00:06.46 bitrate= 228.0kbits/Past duration 1.018654 too large
  
  [rtsp @ 0x20c4720] max delay reached. need to consume packet
  
  [rtsp @ 0x20c4720] RTP: missed 1092 packets
  
  [rtsp @ 0x20c4720] max delay reached. need to consume packet
  
  [rtsp @ 0x20c4720] RTP: missed 1093 packets
  
  Past duration 1.019325 too large
  
  frame=  106 fps= 15 q=31.0 size=     184kB time=00:00:07.00 bitrate= 215.3kbits/Past duration 1.019997 too large
  
  [rtsp @ 0x20c4720] max delay reached. need to consume packet
  
  [rtsp @ 0x20c4720] RTP: missed 35 packets
  
  Past duration 1.020653 too large
  
  frame=  161 fps= 15 q=31.0 size=     264kB time=00:00:10.66 bitrate= 202.8kbits/Past duration 1.032661 too large
  
  Past duration 1.033333 too large
  
  frame=  167 fps= 15 q=31.0 Lsize=     276kB time=00:00:11.06 bitrate= 204.3kbits/s dup=94 drop=0 speed=0.964x
  
  video:265kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 4.280833%

  I can see that with some errors, the stream starts.
  When i put the output url in my html code, there is no stream. I also tried playing the network stream in VLC and did not get anything. Can anyone please help me with that ? Any leads are also appreciated. Thank you.

  My HTML Code is :