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  • Multilang : améliorer l’interface pour les blocs multilingues

    18 février 2011, par

    Multilang est un plugin supplémentaire qui n’est pas activé par défaut lors de l’initialisation de MediaSPIP.
    Après son activation, une préconfiguration est mise en place automatiquement par MediaSPIP init permettant à la nouvelle fonctionnalité d’être automatiquement opérationnelle. Il n’est donc pas obligatoire de passer par une étape de configuration pour cela.

  • Gestion des droits de création et d’édition des objets

    8 février 2011, par

    Par défaut, beaucoup de fonctionnalités sont limitées aux administrateurs mais restent configurables indépendamment pour modifier leur statut minimal d’utilisation notamment : la rédaction de contenus sur le site modifiables dans la gestion des templates de formulaires ; l’ajout de notes aux articles ; l’ajout de légendes et d’annotations sur les images ;

  • Supporting all media types

    13 avril 2011, par

    Unlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)

Sur d’autres sites (6289)

  • No sound when capture screen

    10 janvier 2018, par scrapy

    To capture my pc screen with following ffmpeg command.

    ffmpeg -f pulse -ac 2 -i default -f x11grab -r 30 -s 1920x1080 -i :0.0 -acodec pcm_s16le -vcodec libx264 -preset ultrafast -threads 0 -y /tmp/output.mkv

    The output displayed on my console when to execute the above command.

    Guessed Channel Layout for Input Stream #0.0 : stereo
    
Input #0, pulse, from 'default':
    
  Duration: N/A, start: 1515543051.106987, bitrate: 1536 kb/s
    
    Stream #0:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
    
[x11grab @ 0x564bda5b8520] Stream #0: not enough frames to estimate rate; consider increasing probesize
    
Input #1, x11grab, from ':0.0':
    
  Duration: N/A, start: 1515543052.415508, bitrate: N/A
    
    Stream #1:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 1920x1080, 30 fps, 1000k tbr, 1000k tbn, 1000k tbc
    
No pixel format specified, yuv444p for H.264 encoding chosen.
    
Use -pix_fmt yuv420p for compatibility with outdated media players.
    
[libx264 @ 0x564bda5c1560] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 LZCNT
    
[libx264 @ 0x564bda5c1560] profile High 4:4:4 Predictive, level 4.0, 4:4:4 8-bit
    
[libx264 @ 0x564bda5c1560] 264 - core 148 r2748 97eaef2 - H.264/MPEG-4 AVC codec - Copyleft 2003-2016 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=6 threads=3 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=25 scenecut=0 intra_refresh=0 rc=crf mbtree=0 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=0
    
Output #0, matroska, to '/tmp/output.mkv':
    
  Metadata:
    
    encoder         : Lavf57.56.101
    
    Stream #0:0: Video: h264 (libx264) (H264 / 0x34363248), yuv444p, 1920x1080, q=-1--1, 30 fps, 1k tbn, 30 tbc
    
    Metadata:
    
      encoder         : Lavc57.64.101 libx264
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
    Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, s16, 1536 kb/s
    
    Metadata:
    
      encoder         : Lavc57.64.101 pcm_s16le
    
Stream mapping:
    
  Stream #1:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
    
  Stream #0:0 -> #0:1 (pcm_s16le (native) -> pcm_s16le (native))

    Playing a music when to make the screenshot,i can hear the music playing lound.
    It’s strange that vedio came out perfectly without sound when to play the captured /tmp/output.mkv.

    Open my volume control with pavucontrol.

    Nothing in recording window, maybe the blank recording window result in no souond when to capture screen !
    How to fix it ?

    enter image description here

    enter image description here

    enter image description here

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    enter image description here

  • ffmpeg record pulseaudio has some crackles

    8 janvier 2021, par boygiandi

    I'm trying to record audio from pulseaudio (on Centos 7), using ffmpeg. But the audio is not smooth, it has some crackles, noise after few seconds
Please check this video link : https://www.facebook.com/watch/live/?v=692754594726722&ref=watch_permalink

    


    The ffmpeg command looks like this

    


    ffmpeg -fflags +igndts -framerate 30 -s 1920x1130 -draw_mouse 0 -f x11grab -i :1085.0+nomouse -f pulse -i sinkgstvDViJbLFIaUBLdTxTeLtr.monitor -c:v libx264 -filter:v crop=1920:1080:0:50 -g 60 -r 30 -bufsize 2M -b:v 7M -vbsf h264_mp4toannexb -pix_fmt yuv420p -strict experimental -preset ultrafast -c:a aac -async 1 -vsync 1 -b:a 128k -bsf:a aac_adtstoasc -metadata comment=gstvDViJbLFIaUBLdTxTeLtr -f flv "rtmps://live-api-s.facebook.com:443/rtmp/4248189238527878?s_bl=1&s_psm=1&s_sc=4248189291861206&s_sw=0&s_vt=api-s&a=Abx_pMiM4_ccqBcS"


    


    I found this article but it didn't fix my problem https://forum.level1techs.com/t/improving-linux-audio-updated/134511 .
Please help

    


  • Is it possible to add third audio track which is mixed from previous two in FFMPEG in one line ?

    21 février 2023, par Dmytro Serdiukov

    I have this command :

    


    ffmpeg -y -f x11grab -s 1920x1080 -framerate 12 -i :0+0,0 -f pulse -i 2394 -f alsa -i default -map 0 -ac 2 -c:v hevc_nvenc -preset fast -crf 40 -b:v 1000K -bufsize 8K -c:a libopus -b:v 1K -map 1:a -map 2:a test.mkv


    


    Which outputs following streams

    


    Output #0, matroska, to 'test.mkv':
  Metadata:
    encoder         : Lavf59.27.100
  Stream #0:0: Video: hevc (Main), bgr0(progressive), 1920x1080, q=2-31, 1 kb/s, 12 fps, 1k tbn
    Metadata:
      encoder         : Lavc59.37.100 hevc_nvenc
    Side data:
      cpb: bitrate max/min/avg: 0/0/1000 buffer size: 8000 vbv_delay: N/A
  Stream #0:1: Audio: opus ([255][255][255][255] / 0xFFFFFFFF), 48000 Hz, stereo, s16, 96 kb/s (default)
    Metadata:
      encoder         : Lavc59.37.100 libopus
  Stream #0:2: Audio: opus ([255][255][255][255] / 0xFFFFFFFF), 48000 Hz, stereo, s16, 96 kb/s
    Metadata:
      encoder         : Lavc59.37.100 libopus


    


    Is it possible to add -filter_complex amix=inputs=2 somewhere and create and map a new audio stream to an output file ?

    


    I already have audio inputs #0:1 and #0:2 that are mapped separately to the output.

    


    How do I mix them together and add a new #0:3 stream without compromising the first two ?

    


    Also this has to be in one command cause this runs from a script that creates file by date and time.

    


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