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Médias (91)

Autres articles (16)

  • 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 (...)

  • Support de tous types de médias

    10 avril 2011

    Contrairement à beaucoup de logiciels et autres plate-formes modernes de partage de documents, MediaSPIP a l’ambition de gérer un maximum de formats de documents différents qu’ils soient de type : images (png, gif, jpg, bmp et autres...) ; audio (MP3, Ogg, Wav et autres...) ; vidéo (Avi, MP4, Ogv, mpg, mov, wmv et autres...) ; contenu textuel, code ou autres (open office, microsoft office (tableur, présentation), web (html, css), LaTeX, Google Earth) (...)

  • Les vidéos

    21 avril 2011, par

    Comme les documents de type "audio", Mediaspip affiche dans la mesure du possible les vidéos grâce à la balise html5 .
    Un des inconvénients de cette balise est qu’elle n’est pas reconnue correctement par certains navigateurs (Internet Explorer pour ne pas le nommer) et que chaque navigateur ne gère en natif que certains formats de vidéos.
    Son avantage principal quant à lui est de bénéficier de la prise en charge native de vidéos dans les navigateur et donc de se passer de l’utilisation de Flash et (...)

Sur d’autres sites (4776)

  • What codec do I need to convert .wav to .mp3 with ffmpeg ?

    19 septembre 2011, par LedZeppelin

    I am able to convert from .mp3 files to .wav files.

    me@me-desktop:~$ ffmpeg -i Desktop/input.mp3 Desktop/output.wav
    FFmpeg version SVN-r0.5.1-4:0.5.1-1ubuntu1.1, Copyright (c) 2000-2009 Fabrice Bellard, et al.
     configuration: --extra-version=4:0.5.1-1ubuntu1.1 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --disable-stripping --disable-vhook --enable-runtime-cpudetect --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --enable-shared --disable-static
     libavutil     49.15. 0 / 49.15. 0
     libavcodec    52.20. 1 / 52.20. 1
     libavformat   52.31. 0 / 52.31. 0
     libavdevice   52. 1. 0 / 52. 1. 0
     libavfilter    0. 4. 0 /  0. 4. 0
     libswscale     0. 7. 1 /  0. 7. 1
     libpostproc   51. 2. 0 / 51. 2. 0
     built on Mar 31 2011 18:53:20, gcc: 4.4.3
    [mp3 @ 0x9449510]mdb:511, lastbuf:0 skipping granule 0
       Last message repeated 1 times
    [mp3 @ 0x9449510]mdb:511, lastbuf:0 skipping granule 1
       Last message repeated 1 times
    Input #0, mp3, from 'Desktop/input.mp3':
     Duration: 00:04:45.31, start: 0.000000, bitrate: 256 kb/s
       Stream #0.0: Audio: mp3, 48000 Hz, stereo, s16, 256 kb/s
    Output #0, wav, to 'Desktop/output.wav':
       Stream #0.0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
    Stream mapping:
     Stream #0.0 -> #0.0
    Press [q] to stop encoding
    [mp3 @ 0x9449510]mdb:511, lastbuf:0 skipping granule 0
       Last message repeated 1 times
    [mp3 @ 0x9449510]mdb:511, lastbuf:0 skipping granule 1
    size=   42944kB time=229.03 bitrate=1536.0kbits/s    
    video:0kB audio:42944kB global headers:0kB muxing overhead 0.000100%

    However when I try to convert the same .wav file back to an .mp3 I get the following error : Unsupported codec for output stream #0.0

    me@me-desktop:~$ ffmpeg -i Desktop/output.wav Desktop/output2.mp3
    FFmpeg version SVN-r0.5.1-4:0.5.1-1ubuntu1.1, Copyright (c) 2000-2009 Fabrice Bellard, et al.
     configuration: --extra-version=4:0.5.1-1ubuntu1.1 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --disable-stripping --disable-vhook --enable-runtime-cpudetect --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --enable-shared --disable-static
     libavutil     49.15. 0 / 49.15. 0
     libavcodec    52.20. 1 / 52.20. 1
     libavformat   52.31. 0 / 52.31. 0
     libavdevice   52. 1. 0 / 52. 1. 0
     libavfilter    0. 4. 0 /  0. 4. 0
     libswscale     0. 7. 1 /  0. 7. 1
     libpostproc   51. 2. 0 / 51. 2. 0
     built on Mar 31 2011 18:53:20, gcc: 4.4.3
    Input #0, wav, from 'Desktop/output.wav':
     Duration: 00:03:49.03, bitrate: 1536 kb/s
       Stream #0.0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
    Output #0, mp3, to 'Desktop/output2.mp3':
       Stream #0.0: Audio: 0x0000, 48000 Hz, stereo, s16, 64 kb/s
    Stream mapping:
     Stream #0.0 -> #0.0
    Unsupported codec for output stream #0.0

    I've already tried installing unstripped-51 per a suggestion from a previous question but I am still unable to convert from .wav to .mp3

  • ffmpeg trying to remove the first few seconds of video

    21 octobre 2011, par zeroasterisk

    I'm trying to remove a few seconds off the front of a video stream (audio already excluded), and I'm getting strange results : I would think that for every second I increase -ss by, the resulting file would be a second shorter... that doesn't seem to be the case.

    original     ==> 01:04:52.84
    -ss 19       ==> 01:04:42.84 (diff = 10) [command history shown below]
    -ss 20       ==> 01:04:32.84 (diff = 20) [command history shown below]
    -ss 21       ==> 01:04:32.84 (diff = 20)
    -ss 25       ==> 01:04:32.84 (diff = 20)
    -ss 0:0:25.0 ==> 01:04:32.84 (diff = 20)
    -ss 0:0:25.5 ==> 01:04:32.84 (diff = 20) [command history shown below]

    Command : ffmpeg -ss # -i temp.mp4 -y -vcodec copy  temp_croppedFromStart.mp4

    Here's the command history for 19 & 20

    # ffmpeg -ss 19 -i temp.mp4 -y -vcodec copy  temp_croppedFromStart.mp4; ffmpeg -i temp.mp4 2>&1 | grep Duration; ffmpeg -i temp_croppedFromStart.mp4 2>&1 | grep Duration
    ffmpeg version N-31809-g9acffed, Copyright (c) 2000-2011 the FFmpeg developers
     built on Aug 10 2011 21:25:11 with gcc 4.4.5
     configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-x11grab
     libavutil    51. 11. 1 / 51. 11. 1
     libavcodec   53. 10. 0 / 53. 10. 0
     libavformat  53.  6. 0 / 53.  6. 0
     libavdevice  53.  2. 0 / 53.  2. 0
     libavfilter   2. 28. 1 /  2. 28. 1
     libswscale    2.  0. 0 /  2.  0. 0
     libpostproc  51.  2. 0 / 51.  2. 0
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'temp.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       creation_time   : 1970-01-01 00:00:00
       encoder         : Lavf53.6.0
     Duration: 01:04:52.84, start: 0.000000, bitrate: 553 kb/s
       Stream #0.0(und): Video: h264 (Constrained Baseline), yuv420p, 960x640, 552 kb/s, 25 fps, 25 tbr, 25 tbn, 50 tbc
       Metadata:
         creation_time   : 1970-01-01 00:00:00
    Output #0, mp4, to 'temp_croppedFromStart.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       creation_time   : 1970-01-01 00:00:00
       encoder         : Lavf53.6.0
       Stream #0.0(und): Video: libx264, yuv420p, 960x640, q=2-31, 552 kb/s, 25 tbn, 25 tbc
       Metadata:
         creation_time   : 1970-01-01 00:00:00
    Stream mapping:
     Stream #0.0 -> #0.0
    Press [q] to stop, [?] for help
    frame=97071 fps=42523 q=-1.0 Lsize=  262684kB time=01:04:33.84 bitrate= 555.5kbits/s
    video:261923kB audio:0kB global headers:0kB muxing overhead 0.290418%
     Duration: 01:04:52.84, start: 0.000000, bitrate: 553 kb/s
     Duration: 01:04:42.84, start: 0.000000, bitrate: 554 kb/s


    # ffmpeg -ss 20 -i temp.mp4 -y -vcodec copy  temp_croppedFromStart.mp4; ffmpeg -i temp.mp4 2>&1 | grep Duration; ffmpeg -i temp_croppedFromStart.mp4 2>&1 | grep Duration
    ffmpeg version N-31809-g9acffed, Copyright (c) 2000-2011 the FFmpeg developers
     built on Aug 10 2011 21:25:11 with gcc 4.4.5
     configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-x11grab
     libavutil    51. 11. 1 / 51. 11. 1
     libavcodec   53. 10. 0 / 53. 10. 0
     libavformat  53.  6. 0 / 53.  6. 0
     libavdevice  53.  2. 0 / 53.  2. 0
     libavfilter   2. 28. 1 /  2. 28. 1
     libswscale    2.  0. 0 /  2.  0. 0
     libpostproc  51.  2. 0 / 51.  2. 0
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'temp.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       creation_time   : 1970-01-01 00:00:00
       encoder         : Lavf53.6.0
     Duration: 01:04:52.84, start: 0.000000, bitrate: 553 kb/s
       Stream #0.0(und): Video: h264 (Constrained Baseline), yuv420p, 960x640, 552 kb/s, 25 fps, 25 tbr, 25 tbn, 50 tbc
       Metadata:
         creation_time   : 1970-01-01 00:00:00
    Output #0, mp4, to 'temp_croppedFromStart.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       creation_time   : 1970-01-01 00:00:00
       encoder         : Lavf53.6.0
       Stream #0.0(und): Video: libx264, yuv420p, 960x640, q=2-31, 552 kb/s, 25 tbn, 25 tbc
       Metadata:
         creation_time   : 1970-01-01 00:00:00
    Stream mapping:
     Stream #0.0 -> #0.0
    Press [q] to stop, [?] for help
    frame=96821 fps=47168 q=-1.0 Lsize=  262003kB time=01:04:32.84 bitrate= 554.2kbits/s
    video:261244kB audio:0kB global headers:0kB muxing overhead 0.290410%
     Duration: 01:04:52.84, start: 0.000000, bitrate: 553 kb/s
     Duration: 01:04:32.84, start: 0.000000, bitrate: 554 kb/s

    # ffmpeg -ss 0:0:25.5 -i temp.mp4 -y -vcodec copy  temp_croppedFromStart.mp4; ffmpeg -i temp.mp4 2>&1 | grep Duration; ffmpeg -i temp_croppedFromStart.mp4 2>&1 | grep Duration
    ffmpeg version N-31809-g9acffed, Copyright (c) 2000-2011 the FFmpeg developers
     built on Aug 10 2011 21:25:11 with gcc 4.4.5
     configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-x11grab
     libavutil    51. 11. 1 / 51. 11. 1
     libavcodec   53. 10. 0 / 53. 10. 0
     libavformat  53.  6. 0 / 53.  6. 0
     libavdevice  53.  2. 0 / 53.  2. 0
     libavfilter   2. 28. 1 /  2. 28. 1
     libswscale    2.  0. 0 /  2.  0. 0
     libpostproc  51.  2. 0 / 51.  2. 0
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'temp.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       creation_time   : 1970-01-01 00:00:00
       encoder         : Lavf53.6.0
     Duration: 01:04:52.84, start: 0.000000, bitrate: 553 kb/s
       Stream #0.0(und): Video: h264 (Constrained Baseline), yuv420p, 960x640, 552 kb/s, 25 fps, 25 tbr, 25 tbn, 50 tbc
       Metadata:
         creation_time   : 1970-01-01 00:00:00
    Output #0, mp4, to 'temp_croppedFromStart.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       creation_time   : 1970-01-01 00:00:00
       encoder         : Lavf53.6.0
       Stream #0.0(und): Video: libx264, yuv420p, 960x640, q=2-31, 552 kb/s, 25 tbn, 25 tbc
       Metadata:
         creation_time   : 1970-01-01 00:00:00
    Stream mapping:
     Stream #0.0 -> #0.0
    Press [q] to stop, [?] for help
    frame=96821 fps=45920 q=-1.0 Lsize=  262003kB time=01:04:27.32 bitrate= 555.0kbits/s
    video:261244kB audio:0kB global headers:0kB muxing overhead 0.290424%
     Duration: 01:04:52.84, start: 0.000000, bitrate: 553 kb/s
     Duration: 01:04:32.84, start: 0.000000, bitrate: 554 kb/s
  • using os.popen3() to extract thumbnail for a video in python

    13 août 2015, par Abdellah Benhammou

    I am using ffmpeg to extract a frame from a video. This works fine when I use ffmpeg from the command line, however, when I try to do the same thing using the python :

    os.popen3('ffmpeg -i videoPath -an -ss 00:00:02 -an -r 1 -vframes 1 -y picturePath')

    I have no idea on how to get the extracted image. So far, I get only text saying (ffmpeg version N-62039-gc00f368 Copyright (c) 2000....) which is what I see in the command line. Would you please guide through what I need to do to get the image extracted. Thank you.