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Autres articles (27)

  • La file d’attente de SPIPmotion

    28 novembre 2010, par

    Une file d’attente stockée dans la base de donnée
    Lors de son installation, SPIPmotion crée une nouvelle table dans la base de donnée intitulée spip_spipmotion_attentes.
    Cette nouvelle table est constituée des champs suivants : id_spipmotion_attente, l’identifiant numérique unique de la tâche à traiter ; id_document, l’identifiant numérique du document original à encoder ; id_objet l’identifiant unique de l’objet auquel le document encodé devra être attaché automatiquement ; objet, le type d’objet auquel (...)

  • 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 (...)

  • Use, discuss, criticize

    13 avril 2011, par

    Talk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
    The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
    A discussion list is available for all exchanges between users.

Sur d’autres sites (4738)

  • How to convert MKV to MP4 while at the same time hardcoding the subtitles ? FFMPEG

    7 août 2015, par user400424

    I’m currently using the following command to convert to MP4.

    ffmpeg -i source.mkv -crf 16.0 -vcodec libx264 -acodec libvo_aacenc -ar 48000 -b:a 128k output.mp4

    I saw the above command on a forum before. Now the problem is, when it converts the video, it doesn’t include the subtitle and overlays(?) that the MKV has. What do I modify in the above command so that they are hardcoded to the output MP4 file ?

  • FFmpeg conversion failed with "Subtitle encoding failed" and "canvas_size is too small" [closed]

    21 avril, par Hillol Talukdar

    I'm converting video files using FFmpeg, but the process fails and shows some errors that I don't fully understand the cause of. How can I avoid the error and fix the issue ? Below is the command I used and the output I received.

    


    FFmpeg Command :

    


    ffmpeg -y -hide_banner -i saf:12.VOB -map 0:3 -c:s:0 dvdsub -map 0:2 -map 0:1 -f mp4 -vcodec copy -map_metadata 0:g -acodec aac -async 1 saf:13.mp4


    


    ErrorMessage :

    


    Input #0, mpeg, from 'saf:12.VOB':
  Duration: 00:00:21.99, start: 0.280633, bitrate: 7147 kb/s
  Stream #0:0[0x1bf]: Data: dvd_nav_packet
  Stream #0:1[0x1e0]: Video: mpeg2video, yuv420p(tv, top first), 720x480 [SAR 32:27 DAR 16:9], 29.97 fps, 29.97 tbr, 90k tbn
    Side data:
      cpb: bitrate max/min/avg: 7816000/0/0 buffer size: 1835008 vbv_delay: N/A
  Stream #0:2[0xa0]: Audio: pcm_dvd, 48000 Hz, stereo, s16, 1536 kb/s
  Stream #0:3[0x20]: Subtitle: dvd_subtitle
  Stream #0:4[0x21]: Subtitle: dvd_subtitle

Stream mapping:
  Stream #0:3 -> #0:0 (dvd_subtitle (dvdsub) -> dvd_subtitle (dvdsub))
  Stream #0:2 -> #0:1 (pcm_dvd (native) -> aac (native))
  Stream #0:1 -> #0:2 (copy)

Press [q] to stop, [?] for help

Output #0, mp4, to 'saf:13.mp4':
  Metadata:
    encoder         : Lavf60.3.100
  Stream #0:0: Subtitle: dvd_subtitle (mp4s / 0x7334706D), 720x480
    Metadata:
      encoder         : Lavc60.3.100 dvdsub
  Stream #0:1: Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s
    Metadata:
      encoder         : Lavc60.3.100 aac
  Stream #0:2: Video: mpeg2video (mp4v / 0x7634706D), yuv420p(tv, top first), 720x480 [SAR 32:27 DAR 16:9], q=2-31, 29.97 fps, 29.97 tbr, 90k tbn
    Side data:
      cpb: bitrate max/min/avg: 7816000/0/0 buffer size: 1835008 vbv_delay: N/A

frame=   15 fps=0.0 q=-1.0 size=       0kB time=00:00:00.73 bitrate=   0.5kbits/s speed= 212x    
frame=  577 fps=0.0 q=-1.0 size=    5120kB time=00:00:19.18 bitrate=2186.2kbits/s speed=38.1x    

[dvdsub @ 0xb400006ffb03dde0] canvas_size(0:0) is too small(719:479) for render
[sost#0:0/dvdsub @ 0xb400006feaec5730] Subtitle encoding failed
[aac @ 0xb400006ffb02f500] Qavg: 36253.348
[aac @ 0xb400006ffb02f500] 2 frames left in the queue on closing

Conversion failed!


    


  • avformat/riff.h : remove unused function parameter "const AVCodecTag *tags" of "void...

    14 juillet 2017, par Aleksandr Slobodeniuk
    avformat/riff.h : remove unused function parameter "const AVCodecTag *tags" of "void ff_put_bmp_header()"

    Reviewed-by : Derek Buitenhuis <derek.buitenhuis@gmail.com>
    
Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
    • [DH] libavformat/asfenc.c
    • [DH] libavformat/avienc.c
    • [DH] libavformat/matroskaenc.c
    • [DH] libavformat/riff.h
    • [DH] libavformat/riffenc.c
    • [DH] libavformat/wtvenc.c

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