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  • 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 ;

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    31 mai 2013, par

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Sur d’autres sites (11012)

  • Animated Gif using PHP 5 and ffmpeg [closed]

    1er décembre 2012, par user1828200

    I make an Animated Gif, by download a video from youtube with youtube-dl and then convert it into AVI with ffmpegand then make animated gif through convert. It works, but speed is very slow.

    Here is my code

    Youtube Download :

    shell_exec("youtube-dl -o JNJNoaIU7qs.flv --format=5 --audio-quality=9 http://www.youtube.com/watch?v=JNJNoaIU7qs);

    Convert to AVI , because I want to make Small Gif so time manipulation is not done with youtube-dl thats why i convert avi with time manipulation

    shell_exec("ffmpeg -i JNJNoaIU7qs.flv -sameq -ss 00:00:5 -t 00:00:10 JNJNoaIU7qs.avi");

    Make Gif

    shell_exec("convert -quiet -delay 0  JNJNoaIU7qs.avi JNJNoaIU7qs.gif");

    It creates the GIF files, but it is very slow, how can I increase the speed of conversion ?

  • FFmpeg : How to convert vertical video with black sides, to video 16:9, with blurred background sides

    26 février 2023, par Andrey

    Vertical video with blurred background sides

    



    How to make this by using FFmpeg ?

    



    Example without FFmpeg :
    
Adobe After Effects
    
Sony Vegas Pro

    


  • Use ffmpeg for incoming youtube HLS live stream and output to rtmp

    14 avril 2018, par hrs

    I can’t get ffmpeg to work with live streams from youtube. Normal non-live videos work just fine. But with live streams ffmpeg seems like it doesn’t make enough requests for new segments. It basically downloads, say a 3 second segment, then nothing happens for 10 seconds or so, then it downloads a new segment, repeat...

    ffmpeg -i '$(./youtube-dl -f best -g https://www.youtube.com/watch?v=emGI3UrzIMc)' -f flv rtmp://192.168.0.11/myapp/mystream

    So what’s the automagic command ?

    ffmpeg version :

    ffmpeg version 3.4.2 Copyright (c) 2000-2018 the FFmpeg developers
    
built with gcc 7.3.0 (Rev1, Built by MSYS2 project)
    
configuration: --prefix=/mingw64 --target-os=mingw32 --arch=x86_64 --disable-debug --disable-static --enable-avresample --enable-dxva2 --enable-d3d11va --enable-fontconfig --enable-gnutls --enable-gpl --enable-libass --enable-libbluray --enable-libcaca --enable-libcelt --enable-libfreetype --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libx265 --enable-libxvid --enable-libvpx --enable-libwebp --enable-openal --enable-libwavpack --enable-pic --enable-postproc --enable-runtime-cpudetect --enable-shared --enable-static --enable-swresample --enable-version3 --enable-zlib --disable-doc
    
libavutil      55. 78.100 / 55. 78.100
    
libavcodec     57.107.100 / 57.107.100
    
libavformat    57. 83.100 / 57. 83.100
    
libavdevice    57. 10.100 / 57. 10.100
    
libavfilter     6.107.100 /  6.107.100
    
libavresample   3.  7.  0 /  3.  7.  0
    
libswscale      4.  8.100 /  4.  8.100
    
libswresample   2.  9.100 /  2.  9.100
    
libpostproc    54.  7.100 / 54.  7.100

    youtube-dl version : 2018.03.14

    Following is the output of the command above. The <my note="note"></my> is added by me for description purposes.

    At start execution goes smoothly. It then freezes for 10 or 15 sec at <my note="note" 1="1"></my>. It then downloads the part of the stream - <my note="note" 2="2"></my>, plays is, then freezes again for some seconds. Then downloads the next part - <my note="note" 3="3"></my>, plays it, freezes, and so on...

    $ ffmpeg -i '$(./youtube-dl -f best -g https://www.youtube.com/watch?v=emGI3UrzIMc)' -f flv rtmp://192.168.0.11/myapp/mystream
    
ffmpeg version 3.4.2 Copyright (c) 2000-2018 the FFmpeg developers
    
  built with gcc 7.3.0 (Rev1, Built by MSYS2 project)
    
  configuration: --prefix=/mingw64 --target-os=mingw32 --arch=x86_64 --disable-debug --disable-static --enable-avresample --enable-dxva2 --enable-d3d11va --enable-fontconfig --enable-gnutls --enable-gpl --enable-libass --enable-libbluray --enable-libcaca --enable-libcelt --enable-libfreetype --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libx265 --enable-libxvid --enable-libvpx --enable-libwebp --enable-openal --enable-libwavpack --enable-pic --enable-postproc --enable-runtime-cpudetect --enable-shared --enable-static --enable-swresample --enable-version3 --enable-zlib --disable-doc
    
  libavutil      55. 78.100 / 55. 78.100
    
  libavcodec     57.107.100 / 57.107.100
    
  libavformat    57. 83.100 / 57. 83.100
    
  libavdevice    57. 10.100 / 57. 10.100
    
  libavfilter     6.107.100 /  6.107.100
    
  libavresample   3.  7.  0 /  3.  7.  0
    
  libswscale      4.  8.100 /  4.  8.100
    
  libswresample   2.  9.100 /  2.  9.100
    
  libpostproc    54.  7.100 / 54.  7.100
    
[hls,applehttp @ 00000287da404cc0] Opening 'https://r4---sn-cap1vv-nv4l.googlevideo.com/videoplayback/id/emGI3UrzIMc.0/itag/95/source/yt_live_broadcast/requiressl/yes/ratebypass/yes/live/1/cmbypass/yes/goi/160/sgoap/gir%3Dyes%3Bitag%3D140/sgovp/gir%3Dyes%3Bitag%3D136/hls_chunk_host/r4---sn-cap1vv-nv4l.googlevideo.com/ei/6jiqWt7SIJKD8gPimZTACA/playlist_type/DVR/gcr/bg/initcwndbps/10410/mm/32/mn/sn-cap1vv-nv4l/ms/lv/mv/m/pcm2cms/yes/pl/16/keepalive/yes/mt/1521105015/ip/130.204.135.162/ipbits/0/expire/1521126730/sparams/ip,ipbits,expire,id,itag,source,requiressl,ratebypass,live,cmbypass,goi,sgoap,sgovp,hls_chunk_host,ei,playlist_type,gcr,initcwndbps,mm,mn,ms,mv,pcm2cms,pl/signature/503304477BD05CCC71061344F8BB23195E152A32.512A84732C501AF08AC9340181A75D34C5B2FF77/key/dg_yt0/playlist/index.m3u8/sq/1308292/goap/clen%3D48852%3Blmt%3D1520930742662673/govp/clen%3D347004%3Blmt%3D1520930742662679/dur/2.000/file/seg.ts' for reading
    
Input #0, hls,applehttp, from 'https://manifest.googlevideo.com/api/manifest/hls_playlist/id/emGI3UrzIMc.0/itag/95/source/yt_live_broadcast/requiressl/yes/ratebypass/yes/live/1/cmbypass/yes/goi/160/sgoap/gir%3Dyes%3Bitag%3D140/sgovp/gir%3Dyes%3Bitag%3D136/hls_chunk_host/r4---sn-cap1vv-nv4l.googlevideo.com/ei/6jiqWt7SIJKD8gPimZTACA/playlist_type/DVR/gcr/bg/initcwndbps/10410/mm/32/mn/sn-cap1vv-nv4l/ms/lv/mv/m/pcm2cms/yes/pl/16/dover/10/keepalive/yes/mt/1521105015/ip/130.204.135.162/ipbits/0/expire/1521126730/sparams/ip,ipbits,expire,id,itag,source,requiressl,ratebypass,live,cmbypass,goi,sgoap,sgovp,hls_chunk_host,ei,playlist_type,gcr,initcwndbps,mm,mn,ms,mv,pcm2cms,pl/signature/503304477BD05CCC71061344F8BB23195E152A32.512A84732C501AF08AC9340181A75D34C5B2FF77/key/dg_yt0/playlist/index.m3u8':
    
  Duration: N/A, start: 39603.798400, bitrate: N/A
    
  Program 0
    
    Metadata:
    
      variant_bitrate : 0
    
    Stream #0:0: Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp
    
    Metadata:
    
      variant_bitrate : 0
    
    Stream #0:1: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 30 fps, 30 tbr, 90k tbn, 60 tbc
    
    Metadata:
    
      variant_bitrate : 0
    
Stream mapping:
    
  Stream #0:1 -> #0:0 (h264 (native) -> flv1 (flv))
    
  Stream #0:0 -> #0:1 (aac (native) -> mp3 (libmp3lame))
    
Press [q] to stop, [?] for help
    
Output #0, flv, to 'rtmp://192.168.0.11/myapp/mystream':
    
  Metadata:
    
    encoder         : Lavf57.83.100
    
    Stream #0:0: Video: flv1 (flv) ([2][0][0][0] / 0x0002), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 30 fps, 1k tbn, 30 tbc
    
    Metadata:
    
      variant_bitrate : 0
    
      encoder         : Lavc57.107.100 flv
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
    
    Stream #0:1: Audio: mp3 (libmp3lame) ([2][0][0][0] / 0x0002), 48000 Hz, stereo, fltp
    
    Metadata:
    
      variant_bitrate : 0
    
      <my note="note" 1="1">encoder         : Lavc57.107.100 libmp3lame
    
<my note="note" 2="2">[hls,applehttp @ 00000287da404cc0] Opening 'https://r4---sn-cap1vv-nv4l.googlevideo.com/videoplayback/id/emGI3UrzIMc.0/itag/95/source/yt_live_broadcast/requiressl/yes/ratebypass/yes/live/1/cmbypass/yes/goi/160/sgoap/gir%3Dyes%3Bitag%3D140/sgovp/gir%3Dyes%3Bitag%3D136/hls_chunk_host/r4---sn-cap1vv-nv4l.googlevideo.com/ei/6jiqWt7SIJKD8gPimZTACA/playlist_type/DVR/gcr/bg/initcwndbps/10410/mm/32/mn/sn-cap1vv-nv4l/ms/lv/mv/m/pcm2cms/yes/pl/16/keepalive/yes/mt/1521105015/ip/130.204.135.162/ipbits/0/expire/1521126730/sparams/ip,ipbits,expire,id,itag,source,requiressl,ratebypass,live,cmbypass,goi,sgoap,sgovp,hls_chunk_host,ei,playlist_type,gcr,initcwndbps,mm,mn,ms,mv,pcm2cms,pl/signature/503304477BD05CCC71061344F8BB23195E152A32.512A84732C501AF08AC9340181A75D34C5B2FF77/key/dg_yt0/playlist/index.m3u8/sq/1308293/goap/clen%3D48853%3Blmt%3D1520930742662680/govp/clen%3D404944%3Blmt%3D1520930742662686/dur/2.000/file/seg.ts' for reading
    
<my note="note" 3="3">[hls,applehttp @ 00000287da404cc0] Opening 'https://r4---sn-cap1vv-nv4l.googlevideo.com/videoplayback/id/emGI3UrzIMc.0/itag/95/source/yt_live_broadcast/requiressl/yes/ratebypass/yes/live/1/cmbypass/yes/goi/160/sgoap/gir%3Dyes%3Bitag%3D140/sgovp/gir%3Dyes%3Bitag%3D136/hls_chunk_host/r4---sn-cap1vv-nv4l.googlevideo.com/ei/6jiqWt7SIJKD8gPimZTACA/playlist_type/DVR/gcr/bg/initcwndbps/10410/mm/32/mn/sn-cap1vv-nv4l/ms/lv/mv/m/pcm2cms/yes/pl/16/keepalive/yes/mt/1521105015/ip/130.204.135.162/ipbits/0/expire/1521126730/sparams/ip,ipbits,expire,id,itag,source,requiressl,ratebypass,live,cmbypass,goi,sgoap,sgovp,hls_chunk_host,ei,playlist_type,gcr,initcwndbps,mm,mn,ms,mv,pcm2cms,pl/signature/503304477BD05CCC71061344F8BB23195E152A32.512A84732C501AF08AC9340181A75D34C5B2FF77/key/dg_yt0/playlist/index.m3u8/sq/1308294/goap/clen%3D48852%3Blmt%3D1520930742662688/govp/clen%3D403294%3Blmt%3D1520930742662693/dur/2.000/file/seg.ts' for reading
    
[hls,applehttp @ 00000287da404cc0] Opening 'https://r4---sn-cap1vv-nv4l.googlevideo.com/videoplayback/id/emGI3UrzIMc.0/itag/95/source/yt_live_broadcast/requiressl/yes/ratebypass/yes/live/1/cmbypass/yes/goi/160/sgoap/gir%3Dyes%3Bitag%3D140/sgovp/gir%3Dyes%3Bitag%3D136/hls_chunk_host/r4---sn-cap1vv-nv4l.googlevideo.com/ei/6jiqWt7SIJKD8gPimZTACA/playlist_type/DVR/gcr/bg/initcwndbps/10410/mm/32/mn/sn-cap1vv-nv4l/ms/lv/mv/m/pcm2cms/yes/pl/16/keepalive/yes/mt/1521105015/ip/130.204.135.162/ipbits/0/expire/1521126730/sparams/ip,ipbits,expire,id,itag,source,requiressl,ratebypass,live,cmbypass,goi,sgoap,sgovp,hls_chunk_host,ei,playlist_type,gcr,initcwndbps,mm,mn,ms,mv,pcm2cms,pl/signature/503304477BD05CCC71061344F8BB23195E152A32.512A84732C501AF08AC9340181A75D34C5B2FF77/key/dg_yt0/playlist/index.m3u8/sq/1308295/goap/clen%3D48355%3Blmt%3D1520930742662695/govp/clen%3D358330%3Blmt%3D1520930742662700/dur/2.000/file/seg.ts' for reading
    
[hls,applehttp @ 00000287da404cc0] Opening 'https://r4---sn-cap1vv-nv4l.googlevideo.com/videoplayback/id/emGI3UrzIMc.0/itag/95/source/yt_live_broadcast/requiressl/yes/ratebypass/yes/live/1/cmbypass/yes/goi/160/sgoap/gir%3Dyes%3Bitag%3D140/sgovp/gir%3Dyes%3Bitag%3D136/hls_chunk_host/r4---sn-cap1vv-nv4l.googlevideo.com/ei/6jiqWt7SIJKD8gPimZTACA/playlist_type/DVR/gcr/bg/initcwndbps/10410/mm/32/mn/sn-cap1vv-nv4l/ms/lv/mv/m/pcm2cms/yes/pl/16/keepalive/yes/mt/1521105015/ip/130.204.135.162/ipbits/0/expire/1521126730/sparams/ip,ipbits,expire,id,itag,source,requiressl,ratebypass,live,cmbypass,goi,sgoap,sgovp,hls_chunk_host,ei,playlist_type,gcr,initcwndbps,mm,mn,ms,mv,pcm2cms,pl/signature/503304477BD05CCC71061344F8BB23195E152A32.512A84732C501AF08AC9340181A75D34C5B2FF77/key/dg_yt0/playlist/index.m3u8/sq/1308296/goap/clen%3D48852%3Blmt%3D1520930742662701/govp/clen%3D347658%3Blmt%3D1520930742662707/dur/2.000/file/seg.ts' for reading
    
frame=  225 fps=1.8 q=31.0 size=     947kB time=00:00:07.92 bitrate= 979.2kbits/s speed=0.0625x
    
</my></my></my>

    And you don’t have to output to a rtmp. Can be a local file - behavior is the same.

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