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  • Configurer la prise en compte des langues

    15 novembre 2010, par

    Accéder à la configuration et ajouter des langues prises en compte
    Afin de configurer la prise en compte de nouvelles langues, il est nécessaire de se rendre dans la partie "Administrer" du site.
    De là, dans le menu de navigation, vous pouvez accéder à une partie "Gestion des langues" permettant d’activer la prise en compte de nouvelles langues.
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  • 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 (...)

  • Use, discuss, criticize

    13 avril 2011, par

    Talk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
    The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
    A discussion list is available for all exchanges between users.

Sur d’autres sites (8036)

  • ffmpeg terminates without any output

    11 septembre 2012, par Khan

    I am using ffmpeg to convert a video file to mp4. here is my code

        echo "converting ".basename($src)." --- to --- ".basename($dest).".mp4...<br />";
    
$command = FFMPEG.&#39; -i &#39; . $src . &#39; -sameq -strict -2 -vcodec libx264 -ar 22050 -y &#39; . $dest.&#39;.mp4 2>&amp;1&#39;;   //
    
echo $command.&#39;<br />&#39;;
    

    
exec($command,$output,$status);
    
echo &#39;<pre>&#39;,join(&#39;<br />&#39;,$output),&#39;</pre><br />&#39;;
    

    
if($status == 0) {              // Success
    
    echo &#39;Successfully converted to MP4!<br />&#39;;
    
} else {
    
    echo $status."<br />failed<br />";
    
}

    The code works fine on my localhost (Windows 7 + wamp).. But on live server , only $command is echoed.. and script is terminated. The output file is generated but it is only 4.5MB (it should be around 17 MB) and not complete... and sometime I get the following output..

        ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers  built on Sep 10 2012 00:38:24 with gcc 4.1.2 20080704 (Red Hat 4.1.2-52)  configuration: --prefix=/home/one01qsc/local --extra-cflags=&#39;-L/home/one01qsc/local/lib/ -I /home/one01qsc/local/include/&#39; --extra-ldflags=&#39;-L/home/one01qsc/local/lib/ -Wl,-rpath,/home/one01qsc/local/lib/&#39; --enable-libmp3lame --enable-libvorbis --enable-shared --disable-yasm --enable-libtheora --enable-libx264 --enable-gpl
    
  libavutil      51. 54.100 / 51. 54.100
    
  libavcodec     54. 23.100 / 54. 23.100
    
  libavformat    54.  6.100 / 54.  6.100
    
  libavdevice    54.  0.100 / 54.  0.100
    
  libavfilter     2. 77.100 /  2. 77.100
    
  libswscale      2.  1.100 /  2.  1.100
    
  libswresample   0. 15.100 /  0. 15.100
    
  libpostproc    52.  0.100 / 52.  0.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from &#39;/home/one01qsc/public_html/temp/pending/1455-testing-mobidick.mov&#39;:
    
  Metadata:
    
    major_brand     : qt
    
    minor_version   : 537199360
    
    compatible_brands: qt
    
    creation_time   : 2012-09-08 16:00:41
    
  Duration: 00:00:23.13, start: 0.490000, bitrate: 6028 kb/s
    
    Stream #0:0: Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080, 5331 kb/s, 29.97 fps, 29.97 tbr, 60k tbn, 59.94 tbc
    
    Metadata:
    
      creation_time   : 2012-09-08 16:00:41
    
      handler_name    : Apple Alias Data Handler
    
    Stream #0:1: Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, s16, 192 kb/s
    
    Metadata:
    
      creation_time   : 2012-09-08 16:00:41
    
      handler_name    : Apple Alias Data Handler
    
[buffer @ 0x2405ce0] w:1920 h:1080 pixfmt:yuv420p tb:1/60000 sar:0/1 sws_param:flags=2
    
[buffersink @ 0x2429ec0] No opaque field provided
    
[aformat @ 0x23fa560] auto-inserting filter &#39;auto-inserted resampler 0&#39; between the filter &#39;src&#39; and the filter &#39;aformat&#39;
    
[aresample @ 0x2402e60] chl:stereo fmt:s16 r:44100Hz -> chl:stereo fmt:flt r:22050Hz
    
[libx264 @ 0x24288e0] using cpu capabilities: none!
    
[libx264 @ 0x24288e0] profile High, level 4.0
    
[libx264 @ 0x24288e0] 264 - core 128 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=24 lookahead_threads=4 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    
Output #0, mp4, to &#39;/home/one01qsc/public_html/temp/1455-testing-mobidick.mp4&#39;:
    
  Metadata:
    
    major_brand     : qt
    
    minor_version   : 537199360
    
    compatible_brands: qt
    
    creation_time   : 2012-09-08 16:00:41
    
    encoder         : Lavf54.6.100
    
    Stream #0:0: Video: h264 (![0][0][0] / 0x0021), yuv420p, 1920x1080, q=-1--1, 30k tbn, 29.97 tbc
    
    Metadata:
    
      creation_time   : 2012-09-08 16:00:41
    
      handler_name    : Apple Alias Data Handler
    
    Stream #0:1: Audio: aac (@[0][0][0] / 0x0040), 22050 Hz, stereo, flt, 128 kb/s
    
    Metadata:
    
      creation_time   : 2012-09-08 16:00:41
    
      handler_name    : Apple Alias Data Handler
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (h264 -> libx264)
    
  Stream #0:1 -> #0:1 (aac -> aac)
    
Press [q] to stop, [?] for help
    
frame=   18 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=   0.0kbits/s

    the value printed for $status is 137 in this case.

    Any help is really appreciated.

  • FFMPEG x264 MP4 Encoding all grey

    7 mars 2013, par Brianjs

    I am currently using FFMPEG v1.1 on CentOS 6.3.

    I configured FFMPEG with :

    ./configure --arch=x86_64  --enable-libmp3lame  --enable-librtmp  --enable-libtheora --enable-libvorbis  --enable-libx264 --enable-pthreads --enable-gpl --enable-runtime-cpudetect

    when I run a simple command to record live input to MP4 by :

    ffmpeg -f video4linux2 -s 640x480 -i /dev/video0 /home/irdb/Desktop/test.mp4

    I get nothing, just a grey screen with some artifacts around the edges. However when I run the same command as .MPG it comes out fine. I need it in MP4 format however.

    On a side note I am running x264-0.120 installed through yum

    My question is, is there a problem with the way I compiled ffmpeg ? Or is it possibly something else ?

    edit :

    Output from example as requested :

    # ffmpeg -f video4linux2 -s 640x480 -t 5 -i /dev/video0 -strict 2 /home/irdb/Desktop/test.mp4
    
ffmpeg version N-50546-g1f5b5b8 Copyright (c) 2000-2013 the FFmpeg developers
    
built on Mar  7 2013 00:17:44 with gcc 4.4.6 (GCC) 20120305 (Red Hat 4.4.6-4)
    
configuration: --enable-libmp3lame --enable-librtmp --enable-libtheora --enable-   libvorbis --enable-libx264 --enable-pthreads --enable-gpl --enable-runtime-cpudetect
    
libavutil      52. 18.100 / 52. 18.100
    
libavcodec     54. 92.100 / 54. 92.100
    
libavformat    54. 63.104 / 54. 63.104
    
libavdevice    54.  3.103 / 54.  3.103
    
libavfilter     3. 42.103 /  3. 42.103
    
libswscale      2.  2.100 /  2.  2.100
    
libswresample   0. 17.102 /  0. 17.102
    
libpostproc    52.  2.100 / 52.  2.100
    
[video4linux2,v4l2 @ 0x3025120] Estimating duration from bitrate, this may be   inaccurate
    
Input #0, video4linux2,v4l2, from &#39;/dev/video0&#39;:
    
Duration: N/A, start: 128.640356, bitrate: 147456 kb/s
    
Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x480, 147456 kb/s, 30 fps, 30 tbr, 1000k tbn, 1000k tbc
    
[libx264 @ 0x3026f80] using cpu capabilities: MMX2 SSE2Fast SSEMisalign LZCNT
    
[libx264 @ 0x3026f80] profile High 4:2:2, level 3.0, 4:2:2 8-bit
    
[libx264 @ 0x3026f80] 264 - core 130 r2274 c832fe9 - H.264/MPEG-4 AVC codec -  Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=1 ref=3  deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1  me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1  interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1  b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    
Output #0, mp4, to &#39;/home/irdb/Desktop/test.mp4&#39;:
    
Metadata:
    
encoder         : Lavf54.63.104
    
Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv422p, 640x480, q=-1--1, 15360 tbn, 30 tbc
    
Stream mapping:
    
Stream #0:0 -> #0:0 (rawvideo -> libx264)
    
Press [q] to stop, [?] for help
    
frame=   32 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=21    drframe=   46 fps= 46 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=28 drframe=    62 fps= 41 q=29.0 size=      71kB time=00:00:00.33 bitrate=1735.2kbits/frame=   76 fps=  38 q=29.0 size=     169kB time=00:00:00.80 bitrate=1731.2kbits/frame=   93 fps= 37  q=29.0 size=     311kB time=00:00:01.36 bitrate=1862.3kbits/frame=  107 fps= 35 q=29.0  size=     423kB time=00:00:01.83 bitrate=1891.0kbits/frame=  123 fps= 35 q=29.0 size=      537kB time=00:00:02.36 bitrate=1860.2kbits/frame=  139 fps= 34 q=29.0 size=     664kB  time=00:00:02.90 bitrate=1876.0kbits/frame=  150 fps= 29 q=-1.0 Lsize=    1174kB  time=00:00:04.93 bitrate=1948.7kbits/s dup=81 drop=0    
    
video:1172kB audio:0kB subtitle:0 global headers:0kB muxing overhead 0.133409%
    
[libx264 @ 0x3026f80] frame I:2     Avg QP:23.22  size: 28460
    
[libx264 @ 0x3026f80] frame P:136   Avg QP:24.45  size:  8397
    
[libx264 @ 0x3026f80] frame B:12    Avg QP:26.18  size:    42
    
[libx264 @ 0x3026f80] consecutive B-frames: 88.0%  4.0%  0.0%  8.0%
    
[libx264 @ 0x3026f80] mb I  I16..4: 47.1% 28.8% 24.1%
    
[libx264 @ 0x3026f80] mb P  I16..4:  4.3%  1.9%  1.2%  P16..4: 29.0% 11.4%  9.2%      0.0%  0.0%    skip:43.0%
    
[libx264 @ 0x3026f80] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  1.5%  0.0%  0.0%   direct: 0.0%  skip:98.5%  L0:16.5% L1:83.5% BI: 0.0%
    
[libx264 @ 0x3026f80] 8x8 transform intra:26.4% inter:30.7%
    
[libx264 @ 0x3026f80] coded y,uvDC,uvAC intra: 85.2% 95.6% 83.5% inter: 10.9% 38.6% 24.0%
    
[libx264 @ 0x3026f80] i16 v,h,dc,p: 33% 19% 40%  8%
    
[libx264 @ 0x3026f80] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu:  6% 12% 55%  5%  3%  4%  4%  3%  8%
    
[libx264 @ 0x3026f80] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 15%  9% 63%  3%  2%  2%  2%  2%  2%
    
[libx264 @ 0x3026f80] i8c dc,h,v,p: 66% 11% 14%  9%
    
[libx264 @ 0x3026f80] Weighted P-Frames: Y:0.0% UV:0.0%
    
[libx264 @ 0x3026f80] ref P L0: 56.6%  7.5%  8.1% 27.8%
    
[libx264 @ 0x3026f80] ref B L0: 83.3% 16.7%
    
[libx264 @ 0x3026f80] ref B L1: 90.7%  9.3%
    
[libx264 @ 0x3026f80] kb/s:1918.95

  • flvEncoder .flv output won't convert to .mp4 with ffmpeg

    31 juillet 2013, par Emma Assin

    My current project involves creating a .flv using AIR (using https://github.com/zeropointnine/leelib/tree/master/src/leelib/util/flvEncoder) - which then has to be converted into an .mp4, for which we are using ffmpeg.

    The .mp4 output is the correct dimensions and duration, but blank (no images). Audio is not an issue as the original output has no audio.

    ffmpeg version N-55020-g768e40b Copyright (c) 2000-2013 the FFmpeg developers
    
  built on Jul 28 2013 18:05:44 with gcc 4.7.3 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --e
    
nable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable
    
-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enab
    
le-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheo
    
ra --enable-libtwolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --en
    
able-libxavs --enable-libxvid --enable-zlib
    
  libavutil      52. 40.100 / 52. 40.100
    
  libavcodec     55. 19.100 / 55. 19.100
    
  libavformat    55. 12.102 / 55. 12.102
    
  libavdevice    55.  3.100 / 55.  3.100
    
  libavfilter     3. 81.103 /  3. 81.103
    
  libswscale      2.  4.100 /  2.  4.100
    
  libswresample   0. 17.103 /  0. 17.103
    
  libpostproc    52.  3.100 / 52.  3.100
    
Input #0, flv, from &#39;testWithAudio.flv&#39;:
    
  Metadata:
    
    canSeekToEnd    : true
    
    metadatacreator : FlvEncoder v0.9 Lee Felarca
    
  Duration: 00:00:44.77, start: 0.000000, bitrate: 56730 kb/s
    
    Stream #0:0: Video: flashsv, bgr24, 400x400, 30 tbr, 1k tbn, 1k tbc
    
    Stream #0:1: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
    
No pixel format specified, yuv444p for H.264 encoding chosen.
    
Use -pix_fmt yuv420p for compatibility with outdated media players.
    
[libx264 @ 00000000002e1da0] using cpu capabilities: MMX2 SSE2Fast SSEMisalign LZCNT
    
[libx264 @ 00000000002e1da0] profile High 4:4:4 Predictive, level 2.1, 4:4:4 8-bit
    
[libx264 @ 00000000002e1da0] 264 - core 135 r2345 f0c1c53 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan
    
.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_
    
range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=1 lookahead_threads=1 sl
    
iced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 dire
    
ct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=
    
23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    
Output #0, mp4, to &#39;testWithAudio.mp4&#39;:
    
  Metadata:
    
    canSeekToEnd    : true
    
    metadatacreator : FlvEncoder v0.9 Lee Felarca
    
    encoder         : Lavf55.12.102
    
    Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv444p, 400x400, q=-1--1, 15360 tbn, 30 tbc
    
    Stream #0:1: Audio: aac (libvo_aacenc) ([64][0][0][0] / 0x0040), 44100 Hz, stereo, s16, 128 kb/s
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (flashsv -> libx264)
    
  Stream #0:1 -> #0:1 (pcm_s16le -> libvo_aacenc)
    
Press [q] to stop, [?] for help
    
frame= 1343 fps= 25 q=29.0 Lsize=    2680kB time=00:00:44.70 bitrate= 491.2kbits/s
    
video:1943kB audio:691kB subtitle:0 global headers:0kB muxing overhead 1.756713%
    
[libx264 @ 00000000002e1da0] frame I:25    Avg QP:20.44  size: 14523
    
[libx264 @ 00000000002e1da0] frame P:614   Avg QP:23.20  size:  2319
    
[libx264 @ 00000000002e1da0] frame B:704   Avg QP:24.59  size:   287
    
[libx264 @ 00000000002e1da0] consecutive B-frames: 25.6% 11.0%  7.4% 56.0%
    
[libx264 @ 00000000002e1da0] mb I  I16..4: 17.6% 67.0% 15.3%
    
[libx264 @ 00000000002e1da0] mb P  I16..4:  7.6%  9.9%  0.8%  P16..4: 28.0%  8.3%  4.0%  0.0%  0.0%    skip:41.4%
    
[libx264 @ 00000000002e1da0] mb B  I16..4:  0.4%  0.5%  0.0%  B16..8: 16.3%  1.1%  0.1%  direct: 0.2%  skip:81.4%  L0:39.7% L
    
1:57.4% BI: 2.8%
    
[libx264 @ 00000000002e1da0] 8x8 transform intra:56.3% inter:85.5%
    
[libx264 @ 00000000002e1da0] coded y,u,v intra: 35.7% 17.0% 19.1% inter: 7.7% 3.8% 3.4%
    
[libx264 @ 00000000002e1da0] i16 v,h,dc,p: 26% 28% 17% 30%
    
[libx264 @ 00000000002e1da0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 21% 33%  4%  4%  5%  4%  4%  4%
    
[libx264 @ 00000000002e1da0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 25% 21% 16%  5%  6%  9%  6%  6%  6%
    
[libx264 @ 00000000002e1da0] Weighted P-Frames: Y:6.5% UV:3.3%
    
[libx264 @ 00000000002e1da0] ref P L0: 56.8% 16.5% 18.2%  8.0%  0.6%
    
[libx264 @ 00000000002e1da0] ref B L0: 82.3% 14.1%  3.7%
    
[libx264 @ 00000000002e1da0] ref B L1: 93.7%  6.3%
    
[libx264 @ 00000000002e1da0] kb/s:355.47

    Any ideas ?

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