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  • Participer à sa traduction

    10 avril 2011

    Vous pouvez nous aider à améliorer les locutions utilisées dans le logiciel ou à traduire celui-ci dans n’importe qu’elle nouvelle langue permettant sa diffusion à de nouvelles communautés linguistiques.
    Pour ce faire, on utilise l’interface de traduction de SPIP où l’ensemble des modules de langue de MediaSPIP sont à disposition. ll vous suffit de vous inscrire sur la liste de discussion des traducteurs pour demander plus d’informations.
    Actuellement MediaSPIP n’est disponible qu’en français et (...)

  • Submit bugs and patches

    13 avril 2011

    Unfortunately a software is never perfect.
    If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
    If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
    You may also (...)

  • 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.

Sur d’autres sites (13918)

  • dts to m4a (aac) encoding - qaac, neroaacenc encoder output issues

    9 avril 2014, par user8979

    greets

    I want to encode a dts 5.1 audio source to m4a (aac) 5.1 with same playback duration.
    Intend to use either qaac or neroAacEnc.

    The output is the same per encoder with .mkv and .dts extracted from .mkv as input audio source.
    .mkv source piped to encoder using ffmpeg
    .dts source piped to encoder using ffmpeg and wavi with .avs input, .avs using NicAudio avisynth plugin, to decode .dts source for separate encodes to confirm if challenges encountered were from ffmpeg or elsewhere (both produced the same issues so concluded the issues originated from the respective encoders)

    • qaac output is same duration as .mkv
      issues : mediainfo reports output is 2ch while mediatab and ffmpeg report output is 5.1ch (lfe)

      mediainfo :

      Channel(s) : 2 channels
      Channel(s)_Original : 6 channels
      Channel positions : Front : L C R, Side : L R, LFE
      this channel position and channel combination is not possible, so which is it ?

      ffmpeg (5.1 info bold) :

      Stream #0:0(und) : Audio : aac, 5.1, fltp

      mediatab :

      Channel(s) : 6 channels
      ChannelPositions : Front : L C R, Side : L R, LFE

    • neroaacenc output has same channels, 5.1
      issue : ffmpeg reports output is longer than mkv audio track by 0.06 seconds (60 ms) and it begins after 0.054677 seconds (54.667 ms)

      Chapter #0.0 : start 0.054667

    Questions :

    1. qaac output
      • is the output stream 2ch or 5.1ch ?
      • if it is 2ch, what qaac option(s) leave the channels in output same as input AND report the correct channels ?
      • if the output is 5.1ch, does this mean every qaac output keeps the input channels (without using —chanmap or other such options) ? if so then its easy to ignore mediainfo channel information for qaac encodes.
        • why did mediainfo report 2ch ? could the stream report incorrect channels to a media player (implies incorrect playback) ? is there any way to get rid of the misleading channel information shown in mediainfo ? (expecting the information to be stored in the file, that is where would like to get rid of it)
    2. neroaacenc output
      • how can one ensure neroaacenc output is exact same duration as input ?
      • if not possible to change the output duration, does that mean when muxing audio with video, include the 54.667 ms delay to maintain sync ? (audio delay of -0.054667 s in this case) ?

    Commandlines were many so not included. Let me know if they would be helpful.

  • FFMPEG subtitle : mov_text removal

    27 mars 2014, par user3461178

    I have problems with subtitles. My video playout can not play them. So I have been trying to remove it.

    C:\Users\Jakub\Desktop\eclipse\workspace\tvpohoda_archiv>"c:\\lib/ffmpeg/bin/ffm
    
peg.exe" -i "videa/1050028-CITRON_-_Uz_zavrate_ridnou_c.m4v"  -sn -c:a copy -c:v
    
 copy  "videa/1050028-CITRON_-_Uz_zavrate_ridnou_c2.mov"
    
ffmpeg version N-57650-gcb52d6d Copyright (c) 2000-2013 the FFmpeg developers
    
  built on Oct 30 2013 20:35:46 with gcc 4.8.2 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
    
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
    
le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
    
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
    
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
    
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
    
eex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aa
    
cenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavp
    
ack --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
    
  libavutil      52. 48.100 / 52. 48.100
    
  libavcodec     55. 39.100 / 55. 39.100
    
  libavformat    55. 19.104 / 55. 19.104
    
  libavdevice    55.  5.100 / 55.  5.100
    
  libavfilter     3. 90.100 /  3. 90.100
    
  libswscale      2.  5.101 /  2.  5.101
    
  libswresample   0. 17.104 /  0. 17.104
    
  libpostproc    52.  3.100 / 52.  3.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'videa/1050028-CITRON_-_Uz_zavrate_ridno
    
u_c.m4v':
    
  Metadata:
    
    major_brand     : M4V
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1
    
    encoder         : Lavf55.19.104
    
  Duration: 00:04:56.49, start: 0.021333, bitrate: 7239 kb/s
    
    Chapter #0.0: start 0.000000, end 296.400000
    
    Metadata:
    
      title           : Chapter 1
    
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 720x576 [
    
SAR 212:225 DAR 53:45], 6997 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    
    Metadata:
    
      handler_name    : VideoHandler
    
    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 24
    
0 kb/s (default)
    
    Metadata:
    
      handler_name    : SoundHandler
    
    Stream #0:2(eng): Subtitle: mov_text (text / 0x74786574)
    
    Metadata:
    
      handler_name    : SubtitleHandler
    
File 'videa/1050028-CITRON_-_Uz_zavrate_ridnou_c2.mov' already exists. Overwrite
    
 ? [y/N] y
    
Output #0, mov, to 'videa/1050028-CITRON_-_Uz_zavrate_ridnou_c2.mov':
    
  Metadata:
    
    major_brand     : M4V
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1
    
    encoder         : Lavf55.19.104
    
    Chapter #0.0: start 0.021000, end 296.421000
    
    Metadata:
    
      title           : Chapter 1
    
    Stream #0:0(und): Video: h264 (avc1 / 0x31637661), yuv420p, 720x576 [SAR 212
    
:225 DAR 53:45], q=2-31, 6997 kb/s, 25 fps, 12800 tbn, 12800 tbc (default)
    
    Metadata:
    
      handler_name    : VideoHandler
    
    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, 240 kb/s
    
 (default)
    
    Metadata:
    
      handler_name    : SoundHandler
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (copy)
    
  Stream #0:1 -> #0:1 (copy)
    
Press [q] to stop, [?] for help
    
frame= 7408 fps=0.0 q=-1.0 Lsize=  262031kB time=00:04:56.49 bitrate=7239.9kbits
    
/s
    
video:253116kB audio:8700kB subtitle:0 global headers:0kB muxing overhead 0.0820
    
40%

    Or :

    C:\Users\Jakub\Desktop\eclipse\workspace\tvpohoda_archiv>"c:\\lib/ffmpeg/bin/ffm
    
peg.exe" -i "videa/1050028-CITRON_-_Uz_zavrate_ridnou_c.m4v"  -map 0:0 -map 0:1
    
-c:a copy -c:v copy  "videa/1050028-CITRON_-_Uz_zavrate_ridnou_c2.mov"
    
ffmpeg version N-57650-gcb52d6d Copyright (c) 2000-2013 the FFmpeg developers
    
  built on Oct 30 2013 20:35:46 with gcc 4.8.2 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
    
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
    
le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
    
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
    
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
    
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
    
eex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aa
    
cenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavp
    
ack --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
    
  libavutil      52. 48.100 / 52. 48.100
    
  libavcodec     55. 39.100 / 55. 39.100
    
  libavformat    55. 19.104 / 55. 19.104
    
  libavdevice    55.  5.100 / 55.  5.100
    
  libavfilter     3. 90.100 /  3. 90.100
    
  libswscale      2.  5.101 /  2.  5.101
    
  libswresample   0. 17.104 /  0. 17.104
    
  libpostproc    52.  3.100 / 52.  3.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'videa/1050028-CITRON_-_Uz_zavrate_ridno
    
u_c.m4v':
    
  Metadata:
    
    major_brand     : M4V
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1
    
    encoder         : Lavf55.19.104
    
  Duration: 00:04:56.49, start: 0.021333, bitrate: 7239 kb/s
    
    Chapter #0.0: start 0.000000, end 296.400000
    
    Metadata:
    
      title           : Chapter 1
    
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 720x576 [
    
SAR 212:225 DAR 53:45], 6997 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    
    Metadata:
    
      handler_name    : VideoHandler
    
    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 24
    
0 kb/s (default)
    
    Metadata:
    
      handler_name    : SoundHandler
    
    Stream #0:2(eng): Subtitle: mov_text (text / 0x74786574)
    
    Metadata:
    
      handler_name    : SubtitleHandler
    
Output #0, mov, to 'videa/1050028-CITRON_-_Uz_zavrate_ridnou_c2.mov':
    
  Metadata:
    
    major_brand     : M4V
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1
    
    encoder         : Lavf55.19.104
    
    Chapter #0.0: start 0.021000, end 296.421000
    
    Metadata:
    
      title           : Chapter 1
    
    Stream #0:0(und): Video: h264 (avc1 / 0x31637661), yuv420p, 720x576 [SAR 212
    
:225 DAR 53:45], q=2-31, 6997 kb/s, 25 fps, 12800 tbn, 12800 tbc (default)
    
    Metadata:
    
      handler_name    : VideoHandler
    
    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, 240 kb/s
    
 (default)
    
    Metadata:
    
      handler_name    : SoundHandler
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (copy)
    
  Stream #0:1 -> #0:1 (copy)
    
Press [q] to stop, [?] for help
    
frame= 2702 fps=0.0 q=-1.0 size=   95498kB time=00:01:48.03 bitrate=7241.6kbits/
    
frame= 4436 fps=4435 q=-1.0 size=  157319kB time=00:02:57.38 bitrate=7265.2kbits
    
frame= 6296 fps=4196 q=-1.0 size=  223194kB time=00:04:11.77 bitrate=7262.0kbits
    
frame= 7408 fps=4121 q=-1.0 Lsize=  262031kB time=00:04:56.49 bitrate=7239.9kbit
    
s/s
    
video:253116kB audio:8700kB subtitle:0 global headers:0kB muxing overhead 0.0820
    
40%

    But it did not worked, subtitles have stayed there.

    i am normally starting this ffmpeg from java but this files are from command line

    Please can you help me ?

  • FFmpeg video metadata change

    2 novembre 2014, par Warren

    I am trying to change the video stream metadata. See (Change This Metadata) below. I can change the title of the movie ok but not any others. What is the ffmpeg line to change this.

    This line below changes "Title Of The Movie" only

    ffmpeg -i Input.mkv -metadata title="New Title" -c:v copy -c:a copy -c:s copy Output.mkv

    Input #0, matroska,webm, from 'Input.mkv':
    
Metadata:
    
title           : Title Of The Movie
    
encoder         : libebml v1.2.3 + libmatroska v1.3.0
    
creation_time   : 2014-08-02 12:58:30
    
Duration: 02:15:54.21, start: 0.000000, bitrate: 8177 kb/s
    
Chapter #0.0: start 0.000000, end 208.666778
    
Metadata:
    
  title           : Chapter 01
    
Chapter #0.1: start 208.666778, end 811.727578
    
Metadata:
    
  title           : Chapter 02
    
Chapter #0.2: start 811.727578, end 1077.868444
    
Metadata:
    
  title           : Chapter 03
    
Chapter #0.3: start 1077.868444, end 1345.302289
    
Metadata:
    
  title           : Chapter 04
    
Chapter #0.4: start 1345.302289, end 2000.415067
    
Metadata:
    
  title           : Chapter 05
    
Chapter #0.5: start 2000.415067, end 2487.276444
    
Metadata:
    
  title           : Chapter 06
    
Chapter #0.6: start 2487.276444, end 3097.302533
    
Metadata:
    
  title           : Chapter 07
    
Chapter #0.7: start 3097.302533, end 3503.958778
    
Metadata:
    
  title           : Chapter 08
    
Chapter #0.8: start 3503.958778, end 4060.347956
    
Metadata:
    
  title           : Chapter 09
    
Chapter #0.9: start 4060.347956, end 4582.202622
    
Metadata:
    
  title           : Chapter 10
    
Chapter #0.10: start 4582.202622, end 5083.078000
    
Metadata:
    
  title           : Chapter 11
    
Chapter #0.11: start 5083.078000, end 5537.698822
    
Metadata:
    
  title           : Chapter 12
    
Chapter #0.12: start 5537.698822, end 5826.612444
    
Metadata:
    
  title           : Chapter 13
    
Chapter #0.13: start 5826.612444, end 6553.088200
    
Metadata:
    
  title           : Chapter 14
    
Chapter #0.14: start 6553.088200, end 6903.730156
    
Metadata:
    
  title           : Chapter 15
    
Chapter #0.15: start 6903.730156, end 7271.055444
    
Metadata:
    
  title           : Chapter 16
    
Chapter #0.16: start 7271.055444, end 7582.241333
    
Metadata:
    
  title           : Chapter 17
    
Chapter #0.17: start 7582.241333, end 8153.937444
    
Metadata:
    
  title           : Chapter 18
    
Chapter #0.18: start 8153.937444, end 8154.208000
    
Metadata:
    
  title           : Chapter 19
    
Stream #0:0(eng): Video: h264 (High), yuv420p, 1920x800 [SAR 1:1 DAR 12:5], 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
    
Metadata:
    
  title           : Change This Metadata
    
Stream #0:1(eng): Audio: ac3, 48000 Hz, 5.1(side), fltp, 448 kb/s (default)
    
Metadata:
    
  title           : Eng
    
Stream #0:2(eng): Subtitle: subrip (default)
    
Metadata:
    
  title           : Eng

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