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  • Les tâches Cron régulières de la ferme

    1er décembre 2010, par

    La gestion de la ferme passe par l’exécution à intervalle régulier de plusieurs tâches répétitives dites Cron.
    Le super Cron (gestion_mutu_super_cron)
    Cette tâche, planifiée chaque minute, a pour simple effet d’appeler le Cron de l’ensemble des instances de la mutualisation régulièrement. Couplée avec un Cron système sur le site central de la mutualisation, cela permet de simplement générer des visites régulières sur les différents sites et éviter que les tâches des sites peu visités soient trop (...)

  • Contribute to documentation

    13 avril 2011

    Documentation is vital to the development of improved technical capabilities.
    MediaSPIP welcomes documentation by users as well as developers - including : critique of existing features and functions articles contributed by developers, administrators, content producers and editors screenshots to illustrate the above translations of existing documentation into other languages
    To contribute, register to the project users’ mailing (...)

  • HTML5 audio and video support

    13 avril 2011, par

    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
    The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
    For older browsers the Flowplayer flash fallback is used.
    MediaSPIP allows for media playback on major mobile platforms with the above (...)

Sur d’autres sites (9777)

  • How do I debug why avconv is stalling ?

    9 juillet 2015, par Ecommerce Consultant

    I’m converting .mov files to .mpg files using avconv. The command being run by my php application is as follows :

    avconv -y -i ’$finalvideo’ -target ntsc-dvd -aspect 4:3 ’$mpgvideo’ > $logs

    I’m able to convert small .mov files to .mpg without any problems. However, I’m unable to convert videos that are over ten or fifteen minutes long. The log file is completely empty. When I run the command directly the frame stops somewhere around 34000 no matter which video I pick.

    The cpu shows 97% usage on this process, however, nothing is happening.

    OS Ubuntu 10 

    How can I gather more information about this stalled process ?

    Here’s the frozen output

    avconv version 0.7, Copyright (c) 2000-2011 the Libav developers
    
  built on Nov  3 2011 13:39:09 with gcc 4.3.3
    

    
Seems stream 0 codec frame rate differs from container frame rate: 180000.00 (180000/1) -> 23.98 (24000/1001)
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/var/www/sites/default/files/compiled_videos/573-stream.mov':
    
  Metadata:
    
    major_brand     : qt  
    
    minor_version   : 512
    
    compatible_brands: qt  
    
    creation_time   : 1970-01-01 00:00:00
    
    encoder         : Lavf53.0.3
    
  Duration: 00:18:53.49, start: 0.000000, bitrate: 1430 kb/s
    
    Stream #0.0(eng): Video: h264 (Main), yuv420p, 854x480, 1387 kb/s, 25.60 fps, 23.98 tbr, 90k tbn, 180k tbc
    
    Metadata:
    
      creation_time   : 1970-01-01 00:00:00
    
    Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, s16, 126 kb/s
    
    Metadata:
    
      creation_time   : 1970-01-01 00:00:00
    
[buffer @ 0x9d88820] w:854 h:480 pixfmt:yuv420p
    
[scale @ 0x9d88b60] w:854 h:480 fmt:yuv420p -> w:720 h:480 fmt:yuv420p flags:0x4
    
Incompatible sample format 's16' for codec 'ac3', auto-selecting format 'flt'
    
Output #0, dvd, to '/var/www/sites/default/files/compiled_videos/573.mpg':
    
  Metadata:
    
    major_brand     : qt  
    
    minor_version   : 512
    
    compatible_brands: qt  
    
    creation_time   : 1970-01-01 00:00:00
    
    encoder         : Lavf53.10.0
    
    Stream #0.0(eng): Video: mpeg2video, yuv420p, 720x480 [PAR 8:9 DAR 4:3], q=2-31, 6000 kb/s, 90k tbn, 29.97 tbc
    
    Metadata:
    
      creation_time   : 1970-01-01 00:00:00
    
    Stream #0.1(eng): Audio: ac3, 48000 Hz, stereo, flt, 448 kb/s
    
    Metadata:
    
      creation_time   : 1970-01-01 00:00:00
    
Stream mapping:
    
  Stream #0.0 -> #0.0 (h264 -> mpeg2video)
    
  Stream #0.1 -> #0.1 (aac -> ac3)
    
Press ctrl-c to stop encoding
    
[mpeg2video @ 0x9d8bf20] rc buffer underflow
    
Input stream #0.1 frame changed from rate:48000 fmt:s16 ch:2 to rate:48000 fmt:flt ch:2
    
frame=33910 fps= 91 q=2.0 size=  151922kB time=336.58 bitrate=3697.7kbits/s dup=5475 drop=530    

    Oh interesting. I used -loglevel debug -debug. I was seeing this information

    stream #0:
    
  keyframe=0
    
  duration=0.000
    
  dts=1133.449  pts=1133.533
    
  size=103
    
*** 1 dup!
    
stream #0:
    
  keyframe=0
    
  duration=0.000
    
  dts=1133.449  pts=1133.449
    
  size=104

    Until I finally received this message

    *** drop!

    I have posted my bug with libav
    http://bugzilla.libav.org/show_bug.cgi?id=67

    thanks for your help.

  • Error splitting .mov file with ffmpeg

    5 novembre 2011, par Deepak Lamichhane

    I have used the following ffmpeg command to split the given media file.

    ffmpeg -i test.mov -ss 00:00:00 -t 00:07:00 -acodec copy -vcodec copy test1.mov

    The video "test.mov" has the following characteristics :

    Dimensions: 320 * 240
    
Codecs: MPEG-4 Video, ACC
    
Duration: 00:45
    
Audio channels: 2
    
Total bit rate: 1,292

    But while splitting it shows the following errors

    FFmpeg version 0.6, Copyright (c) 2000-2010 the FFmpeg developers
    
built on Apr 29 2011 12:03:13 with gcc 4.2.1 (Apple Inc. build 5664)
    
configuration: --disable-debug --prefix=/usr/local/Cellar/ffmpeg/0.6 --enable-shared --enable-pthreads --enable-nonfree --enable-gpl --disable-indev=jack --enable-libx264 --enable-libfaac --enable-libfaad --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libvpx
    
  libavutil     50.15. 1 / 50.15. 1
    
  libavcodec    52.72. 2 / 52.72. 2
    
  libavformat   52.64. 2 / 52.64. 2
    
  libavdevice   52. 2. 0 / 52. 2. 0
    
  libswscale     0.11. 0 /  0.11. 0
    
[aac @ 0x10181e200]channel element 1.0 is not allocated
    
    Last message repeated 215 times
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x10180b000]max_analyze_duration reached
    

    
Seems stream 0 codec frame rate differs from container frame rate: 30000.00 (30000/1) -> 29.97 (30000/1001)
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Users/sts-107-/Dev/cloudfactory/tmp/media/test.mov':
    
  Duration: 00:00:45.14, start: 0.000000, bitrate: 1297 kb/s
    
    Stream #0.0(eng): Video: mpeg4, yuv420p, 320x240 [PAR 1:1 DAR 4:3], 1195 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 30k tbc
    
    Stream #0.1(eng): Audio: aac, 0 channels, s16, 97 kb/s
    
File '/Users/sts-107-/Dev/cloudfactory/tmp/media/ten/ten-1.mov' already exists. Overwrite ? [y/N] y
    
[mov @ 0x10181cc00]sample rate not set
    
Output #0, mov, to '/Users/sts-107-/Dev/cloudfactory/tmp/media/ten/ten-1.mov':
    
    Stream #0.0(eng): Video: mpeg4, yuv420p, 320x240 [PAR 1:1 DAR 4:3], q=2-31, 1195 kb/s, 90k tbn, 30k tbc
    
    Stream #0.1(eng): Audio: libfaac, 0 channels, 97 kb/s
    
Stream mapping:
    
  Stream #0.0 -> #0.0
    
  Stream #0.1 -> #0.1
    
Could not write header for output file #0 (incorrect codec parameters ?)
    
""

    I couldn't figure out whats the problem.

    Any suggestions are most welcome
    Thank you in advance !!!

  • How to set x264 encode parameters through ffmpeg AVCodecContext

    8 janvier 2014, par songqi

    I’m trying to use ffmpeg/libx264 to encode and transmit a realtime video, when I use
    **av_dict_set(&opts, "tune", "zerolatency", 0) ; ** the system works well. As the X264 encode parameters are set by ffmpeg using av_dict_set, for some research purpose I want to change them by myself. But some parameters in x264_param_t can not correspond to those parameters in AVCodecContext, such as vfr_input. So I want to know if there is a directly way to transmit parameters into X264 encoder when using libx264 in ffmpeg.

    Can anyone help me ? Thanks

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