Recherche avancée

Médias (1)

Mot : - Tags -/stallman

Autres articles (38)

  • Keeping control of your media in your hands

    13 avril 2011, par

    The vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
    While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
    MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
    MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)

  • Le plugin : Podcasts.

    14 juillet 2010, par

    Le problème du podcasting est à nouveau un problème révélateur de la normalisation des transports de données sur Internet.
    Deux formats intéressants existent : Celui développé par Apple, très axé sur l’utilisation d’iTunes dont la SPEC est ici ; Le format "Media RSS Module" qui est plus "libre" notamment soutenu par Yahoo et le logiciel Miro ;
    Types de fichiers supportés dans les flux
    Le format d’Apple n’autorise que les formats suivants dans ses flux : .mp3 audio/mpeg .m4a audio/x-m4a .mp4 (...)

  • Les images

    15 mai 2013

Sur d’autres sites (4219)

  • FFmpeg : how to access to RTP layer for FEC handling

    3 juin 2016, par Akon

    I need to receive to RTP streams of H.264 video (actually, an RTP payload is not significant for the question) : one stream is initial packets, and other is FEC packets (streams come to different ports). Then process them to recover loss packets resulting one output stream to be fed to a decoder.

    Also, arrived packets in both streams may be reordered due to network transmission, so some RTP-jitter preprocessing is required.

    I have this task completed with GS1treamer, but how can I do such processing with FFmpeg ?

    Thanks.

  • x264_encoder_encode() how to watch function body ?

    25 février 2016, par ULTRANj

    I’m working with VLC player source code (GitHub link) and I need to study how the function x264_encoder_encode() in codec h.264 works. This function is used in file x264.c but i couldn’t find it’s body and decloration. Where can I see it ?

  • ffmpeg screenshot ISO Files [closed]

    4 mai 2013, par user1825932

    Hi i try to make screenshot of DVD iso file with ffmpeg. With other file type, like avi or mkv, it work fine. I use ffmpeg with ubuntu 10.4 and
    I use this command :

       ffmpeg -ss 0:05:00 -i /home/Videofile -sameq  -vframes 1 -t 00:00:02 -f image2 /home/image1.png

    But with iso file it's not working.
    Any advice ?

    Thanks

    EDIT
    This is the output :

    ffmpeg version 0.8.6-4:0.8.6-0ubuntu0.12.04.1, Copyright (c) 2000-2013 the Libav developers
    
  built on Apr  2 2013 17:02:36 with gcc 4.6.3
    
*** THIS PROGRAM IS DEPRECATED ***
    
This program is only provided for compatibility and will be removed in a future release. Please use avconv instead.
    
[mpeg @ 0x6207a0] max_analyze_duration reached
    
/home/Video.iso: could not seek to position 3600.196
    
Seems stream 0 codec frame rate differs from container frame rate: 50.00 (50/1) -> 45000.00 (45000/1)
    
Input #0, mpeg, from '/home/Video.iso':
    
  Duration: 00:01:00.47, start: 0.195667, bitrate: 957672 kb/s
    
    Stream #0.0[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x576 [PAR 64:45 DAR 16:9], 9800 kb/s, 25.07 fps, 45k tbr, 90k tbn, 50 tbc
    
    Stream #0.1[0x80]: Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
    
Incompatible pixel format 'yuv420p' for codec 'png', auto-selecting format 'rgb24'
    
[buffer @ 0x628d60] w:720 h:576 pixfmt:yuv420p
    
[avsink @ 0x621b80] auto-inserting filter 'auto-inserted scaler 0' between the filter 'src' and the filter 'out'
    
[scale @ 0x6222a0] w:720 h:576 fmt:yuv420p -> w:720 h:576 fmt:rgb24 flags:0x4
    
Output #0, image2, to '/home/image1.png':
    
  Metadata:
    
    encoder         : Lavf53.21.1
    
    Stream #0.0: Video: png, rgb24, 720x576 [PAR 64:45 DAR 16:9], q=2-31, 200 kb/s, 90k tbn, 45k tbc
    
Stream mapping:
    
  Stream #0.0 -> #0.0
    
Press ctrl-c to stop encoding
    
frame=    0 fps=  0 q=0.0 Lsize=      -0kB time=10000000000.00 bitrate=  -0.0kbits/s    
    
video:0kB audio:0kB global headers:0kB muxing overhead -inf%

Navigation