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    Plus la communauté sera nombreuse et plus les évolutions seront rapides ...
    Une liste de discussion est disponible pour tout échange entre utilisateurs.

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    Puis-je poster des contenus à partir d’une tablette Ipad ?
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  • Les statuts des instances de mutualisation

    13 mars 2010, par

    Pour des raisons de compatibilité générale du plugin de gestion de mutualisations avec les fonctions originales de SPIP, les statuts des instances sont les mêmes que pour tout autre objets (articles...), seuls leurs noms dans l’interface change quelque peu.
    Les différents statuts possibles sont : prepa (demandé) qui correspond à une instance demandée par un utilisateur. Si le site a déjà été créé par le passé, il est passé en mode désactivé. publie (validé) qui correspond à une instance validée par un (...)

Sur d’autres sites (8508)

  • ffmpeg rotate and resize

    23 août 2014, par user1321964

    I’m trying to resize a movie and to rotate it counter-clockwise using ffmpeg.
    I can achieve one or the other ok individually

    ffmpeg -i MVI_8189.MOV -vf "transpose=2" -ss 00:00:12 -t 00:00:05 rotate.MOV

    OR

    ffmpeg -i MVI_8189.MOV -s 720x406 -ss 00:00:12 -t 00:00:05 resize.MOV

    but if I try to do both, either-

    ffmpeg -i MVI_8189.MOV -s 720x406 -ss 00:00:12 -t 00:00:05 resize.MOV

    ffmpeg -i resize.MOV -vf "transpose=2" toutp.MOV

    OR

    ffmpeg -i MVI_8189.MOV -vf "transpose=2" -ss 00:00:12 -t 00:00:05 rotate.MOV

    ffmpeg -i rotate.MOV -s 406x720 toutp.MOV

    the final movie does not play, only audio, no video ; neither previewing in Finder, nor in Quicktime. More seriously once I have attempted to play it, I can’t then play any other movie whatsoever (only audio) - quicktime won’t quit, constantly need to force-quit it. The only way to then restore seems to be reboot OS-X

    This though does work -

    ffmpeg -i MVI_8189.MOV -vf "transpose=2" -ss 00:00:12 -t 00:00:05 rotate.MOV

    ffmpeg -i rotate.MOV -s 720x406 toutp.MOV

    but doesn’t do what I want - it stretches the movie in the wrong direction

    Any ideas ?

    ffmpeg version 1.0.git Copyright (c) 2000-2012 the FFmpeg developers
    built on Dec 24 2012 18:43:25 with llvm-gcc 4.2.1 (LLVM build 2336.1.00)

    MAC OSX 10.7.5

    ==========
    output from

    ffmpeg -i MVI_8189.MOV -vf "transpose=2" -ss 00:00:12 -t 00:00:05 rotate.MOV
    
ffmpeg -i rotate.MOV -s 406x720  toutp.MOV
    

    

    

    
ffmpeg version 1.0.git Copyright (c) 2000-2012 the FFmpeg developers
    
  built on Dec 24 2012 18:43:25 with llvm-gcc 4.2.1 (LLVM build 2336.1.00)
    
  configuration: --prefix=/usr/local --enable-shared --disable-mmx --enable-libmp3lame --enable-gpl --enable-zlib --enable-libvorbis --enable-libfaac --enable-nonfree --enable-libx264 --enable-pthreads
    
  libavutil      52. 12.100 / 52. 12.100
    
  libavcodec     54. 81.100 / 54. 81.100
    
  libavformat    54. 49.102 / 54. 49.102
    
  libavdevice    54.  3.102 / 54.  3.102
    
  libavfilter     3. 29.101 /  3. 29.101
    
  libswscale      2.  1.103 /  2.  1.103
    
  libswresample   0. 17.102 /  0. 17.102
    
  libpostproc    52.  2.100 / 52.  2.100
    
Guessed Channel Layout for  Input Stream #0.1 : stereo
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'MVI_8189.MOV':
    
  Metadata:
    
    major_brand     : qt  
    
    minor_version   : 537331968
    
    compatible_brands: qt  CAEP
    
    creation_time   : 2014-08-17 23:13:43
    
  Duration: 00:01:32.40, start: 0.000000, bitrate: 44677 kb/s
    
    Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuvj420p, 1920x1080, 43132 kb/s, 25 fps, 25 tbr, 25k tbn, 50k tbc
    
    Metadata:
    
      creation_time   : 2014-08-17 23:13:43
    
    Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, stereo, s16, 1536 kb/s
    
    Metadata:
    
      creation_time   : 2014-08-17 23:13:43
    
[libx264 @ 0x7fc67c043600] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
    
[libx264 @ 0x7fc67c043600] profile High, level 4.0
    
[libx264 @ 0x7fc67c043600] 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=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, mov, to 'rotate.MOV':
    
  Metadata:
    
    major_brand     : qt  
    
    minor_version   : 537331968
    
    compatible_brands: qt  CAEP
    
    encoder         : Lavf54.49.102
    
    Stream #0:0(eng): Video: h264 (avc1 / 0x31637661), yuvj420p, 1080x1920, q=-1--1, 12800 tbn, 25 tbc
    
    Metadata:
    
      creation_time   : 2014-08-17 23:13:43
    
    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, s16, 128 kb/s
    
    Metadata:
    
      creation_time   : 2014-08-17 23:13:43
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (h264 -> libx264)
    
  Stream #0:1 -> #0:1 (pcm_s16le -> libfaac)
    
Press [q] to stop, [?] for help
    
frame=  125 fps=5.7 q=-2.0 Lsize=    6394kB time=00:00:05.00 bitrate=10470.5kbits/s    /s    
    
video:6322kB audio:67kB subtitle:0 global headers:0kB muxing overhead 0.079207%
    
[libx264 @ 0x7fc67c043600] frame I:1     Avg QP:25.87  size:113032
    
[libx264 @ 0x7fc67c043600] frame P:65    Avg QP:25.78  size: 64251
    
[libx264 @ 0x7fc67c043600] frame B:59    Avg QP:26.73  size: 37017
    
[libx264 @ 0x7fc67c043600] consecutive B-frames:  5.6% 94.4%  0.0%  0.0%
    
[libx264 @ 0x7fc67c043600] mb I  I16..4: 10.7% 79.9%  9.3%
    
[libx264 @ 0x7fc67c043600] mb P  I16..4:  3.6% 12.0%  0.3%  P16..4: 52.0% 19.1% 11.3%  0.0%  0.0%    skip: 1.7%
    
[libx264 @ 0x7fc67c043600] mb B  I16..4:  0.9%  1.7%  0.0%  B16..8: 45.4%  5.1%  0.8%  direct:24.2%  skip:21.9%  L0:50.1% L1:44.5% BI: 5.3%
    
[libx264 @ 0x7fc67c043600] 8x8 transform intra:74.5% inter:79.5%
    
[libx264 @ 0x7fc67c043600] coded y,uvDC,uvAC intra: 59.4% 94.3% 79.5% inter: 38.2% 80.5% 30.1%
    
[libx264 @ 0x7fc67c043600] i16 v,h,dc,p: 30% 21% 22% 28%
    
[libx264 @ 0x7fc67c043600] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 18% 14% 24%  6%  8%  9%  7%  8%  7%
    
[libx264 @ 0x7fc67c043600] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 18% 17%  6%  7%  8%  6%  6%  4%
    
[libx264 @ 0x7fc67c043600] i8c dc,h,v,p: 60% 14% 18%  8%
    
[libx264 @ 0x7fc67c043600] Weighted P-Frames: Y:0.0% UV:0.0%
    
[libx264 @ 0x7fc67c043600] ref P L0: 43.9% 12.6% 26.8% 16.7%
    
[libx264 @ 0x7fc67c043600] ref B L0: 68.6% 31.4%
    
[libx264 @ 0x7fc67c043600] kb/s:10357.28
    
ffmpeg version 1.0.git Copyright (c) 2000-2012 the FFmpeg developers
    
  built on Dec 24 2012 18:43:25 with llvm-gcc 4.2.1 (LLVM build 2336.1.00)
    
  configuration: --prefix=/usr/local --enable-shared --disable-mmx --enable-libmp3lame --enable-gpl --enable-zlib --enable-libvorbis --enable-libfaac --enable-nonfree --enable-libx264 --enable-pthreads
    
  libavutil      52. 12.100 / 52. 12.100
    
  libavcodec     54. 81.100 / 54. 81.100
    
  libavformat    54. 49.102 / 54. 49.102
    
  libavdevice    54.  3.102 / 54.  3.102
    
  libavfilter     3. 29.101 /  3. 29.101
    
  libswscale      2.  1.103 /  2.  1.103
    
  libswresample   0. 17.102 /  0. 17.102
    
  libpostproc    52.  2.100 / 52.  2.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'rotate.MOV':
    
  Metadata:
    
    major_brand     : qt  
    
    minor_version   : 512
    
    compatible_brands: qt  
    
    encoder         : Lavf54.49.102
    
  Duration: 00:00:05.01, start: 0.010667, bitrate: 10446 kb/s
    
    Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuvj420p, 1080x1920, 10358 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc
    
    Metadata:
    
      handler_name    : DataHandler
    
    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 109 kb/s
    
    Metadata:
    
      handler_name    : DataHandler
    
[libx264 @ 0x7fcf1c05ba00] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
    
[libx264 @ 0x7fcf1c05ba00] profile High, level 3.0
    
[libx264 @ 0x7fcf1c05ba00] 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=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, mov, to 'toutp.MOV':
    
  Metadata:
    
    major_brand     : qt  
    
    minor_version   : 512
    
    compatible_brands: qt  
    
    encoder         : Lavf54.49.102
    
    Stream #0:0(eng): Video: h264 (avc1 / 0x31637661), yuvj420p, 406x720, q=-1--1, 12800 tbn, 25 tbc
    
    Metadata:
    
      handler_name    : DataHandler
    
    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, s16, 128 kb/s
    
    Metadata:
    
      handler_name    : DataHandler
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (h264 -> libx264)
    
  Stream #0:1 -> #0:1 (aac -> libfaac)
    
Press [q] to stop, [?] for help
    
frame=  125 fps= 32 q=-2.0 Lsize=     469kB time=00:00:05.01 bitrate= 766.2kbits/s    
    
video:396kB audio:68kB subtitle:0 global headers:0kB muxing overhead 1.088481%
    
[libx264 @ 0x7fcf1c05ba00] frame I:1     Avg QP:24.20  size: 31395
    
[libx264 @ 0x7fcf1c05ba00] frame P:42    Avg QP:24.51  size:  7137
    
[libx264 @ 0x7fcf1c05ba00] frame B:82    Avg QP:27.71  size:   893
    
[libx264 @ 0x7fcf1c05ba00] consecutive B-frames:  0.8% 16.0% 57.6% 25.6%
    
[libx264 @ 0x7fcf1c05ba00] mb I  I16..4:  7.0% 62.2% 30.8%
    
[libx264 @ 0x7fcf1c05ba00] mb P  I16..4:  0.2%  0.8%  0.1%  P16..4: 52.8% 18.7% 12.5%  0.0%  0.0%    skip:14.9%
    
[libx264 @ 0x7fcf1c05ba00] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8: 30.0%  0.8%  0.1%  direct: 0.9%  skip:68.2%  L0:36.0% L1:62.1% BI: 2.0%
    
[libx264 @ 0x7fcf1c05ba00] 8x8 transform intra:66.4% inter:78.3%
    
[libx264 @ 0x7fcf1c05ba00] coded y,uvDC,uvAC intra: 79.3% 93.6% 84.9% inter: 13.6% 32.2% 10.4%
    
[libx264 @ 0x7fcf1c05ba00] i16 v,h,dc,p: 50% 19%  7% 24%
    
[libx264 @ 0x7fcf1c05ba00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 20% 11%  5%  8% 10%  9%  7%  8%
    
[libx264 @ 0x7fcf1c05ba00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 27% 22%  8%  5%  8%  8% 10%  5%  5%
    
[libx264 @ 0x7fcf1c05ba00] i8c dc,h,v,p: 42% 22% 24% 13%
    
[libx264 @ 0x7fcf1c05ba00] Weighted P-Frames: Y:0.0% UV:0.0%
    
[libx264 @ 0x7fcf1c05ba00] ref P L0: 48.7% 16.3% 25.6%  9.4%
    
[libx264 @ 0x7fcf1c05ba00] ref B L0: 73.7% 21.3%  5.0%
    
[libx264 @ 0x7fcf1c05ba00] ref B L1: 90.7%  9.3%
    
[libx264 @ 0x7fcf1c05ba00] kb/s:647.04

  • How can I write to file with video state while paused in ffplay

    26 août 2014, par pixelearth

    Can anyone recommend a way to do what I need : I need to go through 2000+ videos and choose an accurate thumbnail frame down to the .xx decimal place.
    Ffplay works great for this, but it’s tedious to manually copy paste this value from the terminal into my database. It would be great if I could hit a key sequence or somehow trigger an event that would write information about ffplay’s current state (filename, location) to a file.

    Is there a way once the video is paused to somehow write to a file with the filename and location ?

  • android ffmpeg halfninja av_open_input_file returns -2 (no such file or directory)

    20 janvier 2012, par cdavidyoung

    I have built ffmpeg for Android using the code and method described at

    https://github.com/halfninja/android-ffmpeg-x264

    using Ubuntu running in VirtualBox on windows. I then copied libvideokit.so into the Project\libs\armeabi folder of a Windows copy of the provided projects. From there I was able to run the ProjectTest from Eclipse on my Android device. I can see the ffmpeg code being executed but when it gets to the point of opening the input file it gives me the indicated error. I have noticed some discussion of this problem at

    FFMpeg on Android, undefined references to libavcodec functions, although it is listed on command line

    but the solutions have not helped since the file protocol is enabled in this build and I also tried putting "file :" in front of the filepath to no avail. For completeness I tried setting minimal_featureset=0 to enable all the defaults but this gives me the same error. Below is a snapshot of the logcat from Eclipse showing the output from Videokit with an extra call to LOGE to display the result from av_open_input_file. Any suggestions of things to try would be greatly appreciated.

    10-23 11:57:33.888: DEBUG/Videokit(4830): run() called
    
10-23 11:57:33.888: DEBUG/Videokit(4830): run passing off to main()
    
10-23 11:57:33.904: DEBUG/Videokit(4830): main(): registering all modules
    
10-23 11:57:33.927: DEBUG/Videokit(4830): main(): registered everything
    
10-23 11:57:33.927: DEBUG/Videokit(4830): main(): initting opts
    
10-23 11:57:33.943: DEBUG/Videokit(4830): main(): initted opts.
    
10-23 11:57:33.943: ERROR/Videokit(4830): ffmpeg version N-30996-gf925b24, Copyright (c) 2000-2011 the FFmpeg developers
    
10-23 11:57:33.943: ERROR/Videokit(4830):   built on Oct 21 2011 13:54:03 with gcc 4.4.3
    
10-23 11:57:33.943: ERROR/Videokit(4830):   configuration: --enable-cross-compile --arch=arm5te --enable-armv5te --target-os=linux --disable-stripping --prefix=../output --disable-neon --enable-version3 --disable-shared --enable-static --enable-gpl --enable-memalign-hack --cc=arm-linux-androideabi-gcc --ld=arm-linux-androideabi-ld --extra-cflags='-fPIC -DANDROID -D__thumb__ -mthumb -Wfatal-errors -Wno-deprecated' --disable-everything --enable-decoder=mjpeg --enable-demuxer=mjpeg --enable-parser=mjpeg --enable-demuxer=image2 --enable-muxer=mp4 --enable-encoder=libx264 --enable-libx264 --enable-decoder=rawvideo --enable-protocol=file --enable-hwaccels --disable-ffmpeg --disable-ffplay --disable-ffprobe --disable-ffserver --disable-network --enable-filter=buffer --enable-filter=buffersink --disable-demuxer=v4l --disable-demuxer=v4l2 --disable-indev=v4l --disable-indev=v4l2 --extra-cflags='-I../x264 -Ivideokit' --extra-ldflags=-L../x264
    
10-23 11:57:33.943: DEBUG/Videokit(4830): main(): parsing options
    
10-23 11:57:33.943: DEBUG/Videokit(4830): parse_options has 4 options to parse
    
10-23 11:57:33.951: ERROR/Videokit(4830): opt_input_file av_open_input_file /mnt/sdcard/fun/snap0000.jpg -2 
    
10-23 11:57:33.951: ERROR/Videokit(4830): /mnt/sdcard/fun/snap0000.jpg: No such file or directory
    
10-23 11:57:33.951: ERROR/Videokit(4830): ffmpeg_exit(1) called!

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