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  • MediaSPIP 0.1 Beta version

    25 avril 2011, par

    MediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
    The zip file provided here only contains the sources of MediaSPIP in its standalone version.
    To get a working installation, you must manually install all-software dependencies on the server.
    If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...)

  • MediaSPIP version 0.1 Beta

    16 avril 2011, par

    MediaSPIP 0.1 beta est la première version de MediaSPIP décrétée comme "utilisable".
    Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
    Pour avoir une installation fonctionnelle, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
    Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...)

  • Le profil des utilisateurs

    12 avril 2011, par

    Chaque utilisateur dispose d’une page de profil lui permettant de modifier ses informations personnelle. Dans le menu de haut de page par défaut, un élément de menu est automatiquement créé à l’initialisation de MediaSPIP, visible uniquement si le visiteur est identifié sur le site.
    L’utilisateur a accès à la modification de profil depuis sa page auteur, un lien dans la navigation "Modifier votre profil" est (...)

Sur d’autres sites (7409)

  • FFMPEG mp4 copied to matroska loses last frame

    16 juin 2020, par Mike

    I am running this simple ffmpeg command to change an mp4 video to matroska format so it can support streaming. ffmpeg -i test.mp4 -c copy out.mkv. My issue is that the out.mkv file has one less frame than the original mp4 file. It seems to be missing the last frame.

    



    I thought using copy as the codec should retain the same video. Am I missing passing an option to FFmpeg ? Thanks.

    



    EDIT : Full Log

    



    ffmpeg version 4.2.3 Copyright (c) 2000-2020 the FFmpeg developers
  built with Apple clang version 11.0.3 (clang-1103.0.32.59)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/4.2.3_1 --enable-shared --enable-pthreads --enable-version3 --enable-avresample --cc=clang --host-cflags=-fno-stack-check --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librtmp --enable-libspeex --enable-libsoxr --enable-videotoolbox --disable-libjack --disable-indev=jack
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    creation_time   : 1970-01-01T00:00:00.000000Z
    encoder         : Lavf53.24.2
  Duration: 00:00:29.57, start: 0.000000, bitrate: 1421 kb/s
    Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 1032 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      creation_time   : 1970-01-01T00:00:00.000000Z
      handler_name    : VideoHandler
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, 5.1, fltp, 383 kb/s (default)
    Metadata:
      creation_time   : 1970-01-01T00:00:00.000000Z
      handler_name    : SoundHandler
File 'out.mkv' already exists. Overwrite ? [y/N] y
Output #0, matroska, to 'out.mkv':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.29.100
    Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 1032 kb/s, 25 fps, 25 tbr, 1k tbn, 12800 tbc (default)
    Metadata:
      creation_time   : 1970-01-01T00:00:00.000000Z
      handler_name    : VideoHandler
    Stream #0:1(und): Audio: aac (LC) ([255][0][0][0] / 0x00FF), 48000 Hz, 5.1, fltp, 383 kb/s (default)
    Metadata:
      creation_time   : 1970-01-01T00:00:00.000000Z
      handler_name    : SoundHandler
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame=  739 fps=0.0 q=-1.0 Lsize=    5129kB time=00:00:29.54 bitrate=1422.0kbits/s speed= 493x
video:3727kB audio:1386kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.309803%


    


  • FFmpeg black screen using mpeg2video

    16 juin 2020, par Konata

    I have a proprietary piece of hardware for broadcasting, that accepts extremely specific video format.
The software that we use for it is extremely slow and outdated.

    



    I was looking at adapting FFmpeg to convert .avi/.mp4/etc to the specific format which in our case is

    



    


    .mpg ( 720*576 16:9, 25FPS, MPEG Video PAL v.2 (Main@High) BVOP)
 acceptable bitrate is 9000k - 15000k.

    


    



    So I have constructed this FFmpeg command :

    



    -i input.avi -codec:a mp2 -b:a 384k -c:v mpeg2video -aspect 16:9 -bf 2 -b:v 10000k -maxrate 10000k -minrate 10000k -bufsize 5000k  -profile:v main -level:v 4.0 output.mpg

    



    The audio is working fine, but instead of video I get a black screen, this is the conversion log

    



    "E:\auto_video\ffmpeg\bin\ffmpeg.exe" -i input.avi -codec:a mp2 -b:a 384k -c:v mpeg2video -aspect 16:9 -bf 2 -b:v 10000k -maxrate 10000k -minrate 10000k -bufsize 5000k -r 25  -profile:v main -level:v 4.0 output.mpg
ffmpeg version git-2020-06-12-38737b3 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 9.3.1 (GCC) 20200523
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libsrt --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --disable-w32threads --enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
  libavutil      56. 54.100 / 56. 54.100
  libavcodec     58. 92.100 / 58. 92.100
  libavformat    58. 46.101 / 58. 46.101
  libavdevice    58. 11.100 / 58. 11.100
  libavfilter     7. 86.100 /  7. 86.100
  libswscale      5.  8.100 /  5.  8.100
  libswresample   3.  8.100 /  3.  8.100
  libpostproc    55.  8.100 / 55.  8.100
Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, avi, from 'input.avi':
  Metadata:
    date            : 2020-06-04T14:11:03+06:00
  Duration: 00:00:10.00, start: 0.000000, bitrate: 30465 kb/s
    Stream #0:0: Video: dvvideo (dvsd / 0x64737664), yuv420p, 720x576 [SAR 16:15 DAR 4:3], 28915 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc
    Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, s16, 1536 kb/s
File 'output.mpg' already exists. Overwrite? [y/N] y
Stream mapping:
  Stream #0:0 -> #0:0 (dvvideo (native) -> mpeg2video (native))
  Stream #0:1 -> #0:1 (pcm_s16le (native) -> mp2 (native))
Press [q] to stop, [?] for help
Output #0, mpeg, to 'output.mpg':
  Metadata:
    date            : 2020-06-04T14:11:03+06:00
    encoder         : Lavf58.46.101
    Stream #0:0: Video: mpeg2video (Main), yuv420p, 720x576 [SAR 64:45 DAR 16:9], q=2-31, 10000 kb/s, 25 fps, 90k tbn, 25 tbc
    Metadata:
      encoder         : Lavc58.92.100 mpeg2video
    Side data:
      cpb: bitrate max/min/avg: 10000000/10000000/10000000 buffer size: 5000000 vbv_delay: N/A
    Stream #0:1: Audio: mp2, 48000 Hz, stereo, s16, 384 kb/s
    Metadata:
      encoder         : Lavc58.92.100 mp2
frame=  250 fps=0.0 q=2.5 Lsize=   12574kB time=00:00:09.99 bitrate=10302.7kbits/s speed=16.8x
video:12054kB audio:469kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.402694%"E:\auto_video\ffmpeg\bin\ffmpeg.exe" -i input.avi -codec:a mp2 -b:a 384k -c:v mpeg2video -aspect 16:9 -bf 2 -b:v 10000k -maxrate 10000k -minrate 10000k -bufsize 5000k -r 25  -profile:v main -level:v 4.0 output.mpg
ffmpeg version git-2020-06-12-38737b3 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 9.3.1 (GCC) 20200523
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libsrt --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --disable-w32threads --enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
  libavutil      56. 54.100 / 56. 54.100
  libavcodec     58. 92.100 / 58. 92.100
  libavformat    58. 46.101 / 58. 46.101
  libavdevice    58. 11.100 / 58. 11.100
  libavfilter     7. 86.100 /  7. 86.100
  libswscale      5.  8.100 /  5.  8.100
  libswresample   3.  8.100 /  3.  8.100
  libpostproc    55.  8.100 / 55.  8.100
Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, avi, from 'input.avi':
  Metadata:
    date            : 2020-06-04T14:11:03+06:00
  Duration: 00:00:10.00, start: 0.000000, bitrate: 30465 kb/s
    Stream #0:0: Video: dvvideo (dvsd / 0x64737664), yuv420p, 720x576 [SAR 16:15 DAR 4:3], 28915 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc
    Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, s16, 1536 kb/s
File 'output.mpg' already exists. Overwrite? [y/N] y
Stream mapping:
  Stream #0:0 -> #0:0 (dvvideo (native) -> mpeg2video (native))
  Stream #0:1 -> #0:1 (pcm_s16le (native) -> mp2 (native))
Press [q] to stop, [?] for help
Output #0, mpeg, to 'output.mpg':
  Metadata:
    date            : 2020-06-04T14:11:03+06:00
    encoder         : Lavf58.46.101
    Stream #0:0: Video: mpeg2video (Main), yuv420p, 720x576 [SAR 64:45 DAR 16:9], q=2-31, 10000 kb/s, 25 fps, 90k tbn, 25 tbc
    Metadata:
      encoder         : Lavc58.92.100 mpeg2video
    Side data:
      cpb: bitrate max/min/avg: 10000000/10000000/10000000 buffer size: 5000000 vbv_delay: N/A
    Stream #0:1: Audio: mp2, 48000 Hz, stereo, s16, 384 kb/s
    Metadata:
      encoder         : Lavc58.92.100 mp2
frame=  250 fps=0.0 q=2.5 Lsize=   12574kB time=00:00:09.99 bitrate=10302.7kbits/s speed=16.8x
video:12054kB audio:469kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.402694%


    



    Additional info that might help, I get black screen in MPC-HC, Windows Media Player, and the actual hardware that I converted it for. But it plays fine in VLC

    


  • doc/encoders : fix the misleading usage of profile

    20 juin 2020, par Limin Wang
    doc/encoders : fix the misleading usage of profile

    users are getting mislead by the integer, although profile
    
can support both const string and integer.
    
http://ffmpeg.org/pipermail/ffmpeg-user/2020-June/049025.html
    

    Also fix the order of high and main, it's not my intention.
    

    Signed-off-by : Limin Wang <lance.lmwang@gmail.com>
    • [DH] doc/encoders.texi

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