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Autres articles (36)

  • Menus personnalisés

    14 novembre 2010, par

    MediaSPIP utilise le plugin Menus pour gérer plusieurs menus configurables pour la navigation.
    Cela permet de laisser aux administrateurs de canaux la possibilité de configurer finement ces menus.
    Menus créés à l’initialisation du site
    Par défaut trois menus sont créés automatiquement à l’initialisation du site : Le menu principal ; Identifiant : barrenav ; Ce menu s’insère en général en haut de la page après le bloc d’entête, son identifiant le rend compatible avec les squelettes basés sur Zpip ; (...)

  • Emballe médias : à quoi cela sert ?

    4 février 2011, par

    Ce plugin vise à gérer des sites de mise en ligne de documents de tous types.
    Il crée des "médias", à savoir : un "média" est un article au sens SPIP créé automatiquement lors du téléversement d’un document qu’il soit audio, vidéo, image ou textuel ; un seul document ne peut être lié à un article dit "média" ;

  • Ecrire une actualité

    21 juin 2013, par

    Présentez les changements dans votre MédiaSPIP ou les actualités de vos projets sur votre MédiaSPIP grâce à la rubrique actualités.
    Dans le thème par défaut spipeo de MédiaSPIP, les actualités sont affichées en bas de la page principale sous les éditoriaux.
    Vous pouvez personnaliser le formulaire de création d’une actualité.
    Formulaire de création d’une actualité Dans le cas d’un document de type actualité, les champs proposés par défaut sont : Date de publication ( personnaliser la date de publication ) (...)

Sur d’autres sites (5108)

  • Stacking different length videos not working with ffmpeg and -itsoffset

    3 avril 2019, par Lucas Madalozzo

    I developed a video conferencing app that records the video streams separately, and I am now looking for a way to merge them. At the moment I am experimenting with -itsoffset and hstack to stack 2 videos side by side using this command :

    ffmpeg \
    
-itsoffset 17 -i smaller.mp4 \
    
-itsoffset 0 -i bigger.mp4 \
    
-filter_complex hstack=inputs=2 \
    
-c:v libx264 -crf 23 out.mp4

    The result is a side by side video where both streams remain frozen for 17 seconds then start playing, even the bigger.mp4 video that should start at time 0.

    Any help would be really appreciated !

    ffmpeg verbose :

    ffmpeg version 4.1 Copyright (c) 2000-2018 the FFmpeg developers
    
  built with gcc 4.9.2 (Debian 4.9.2-10+deb8u1)
    
  configuration: --enable-gpl --enable-postproc --enable-swscale --enable-avfilter --enable-libmp3lame --enable-libvorbis --enable-libtheora --enable-libx264 --enable-libspeex --enab                                                                                                                                       le-shared --enable-pthreads --enable-libopenjpeg --enable-nonfree --enable-libopus --enable-libvorbis --enable-libvpx
    
  libavutil      56. 22.100 / 56. 22.100
    
  libavcodec     58. 35.100 / 58. 35.100
    
  libavformat    58. 20.100 / 58. 20.100
    
  libavdevice    58.  5.100 / 58.  5.100
    
  libavfilter     7. 40.101 /  7. 40.101
    
  libswscale      5.  3.100 /  5.  3.100
    
  libswresample   3.  3.100 /  3.  3.100
    
  libpostproc    55.  3.100 / 55.  3.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'smaller.mp4':
    
  Metadata:
    
    major_brand     : isom
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1mp41
    
    encoder         : Lavf58.20.100
    
  Duration: 00:00:05.16, start: 0.000000, bitrate: 444 kb/s
    
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 480x360 [SAR 1:1 DAR 4:3], 330 kb/s, 32 fps, 32 tbr, 16384 tbn, 64 tbc (default)
    
    Metadata:
    
      handler_name    : VideoHandler
    
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 103 kb/s (default)
    
    Metadata:
    
      handler_name    : SoundHandler
    
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'bigger.mp4':
    
  Metadata:
    
    major_brand     : isom
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1mp41
    
    encoder         : Lavf56.36.100
    
  Duration: 00:00:22.03, start: 0.000000, bitrate: 290 kb/s
    
    Stream #1:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 480x360 [SAR 1:1 DAR 4:3], 177 kb/s, 32 fps, 32 tbr, 16384 tbn, 64 tbc (default)
    
    Metadata:
    
      handler_name    : VideoHandler
    
    Stream #1:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 103 kb/s (default)
    
    Metadata:
    
      handler_name    : SoundHandler
    
File 'out.mp4' already exists. Overwrite ? [y/N] y
    
Stream mapping:
    
  Stream #0:0 (h264) -> hstack:input0 (graph 0)
    
  Stream #1:0 (h264) -> hstack:input1 (graph 0)
    
  hstack (graph 0) -> Stream #0:0 (libx264)
    
  Stream #0:1 -> #0:1 (aac (native) -> aac (native))
    
Press [q] to stop, [?] for help
    
[libx264 @ 0x206ed00] using SAR=1/1
    
[libx264 @ 0x206ed00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
    
[libx264 @ 0x206ed00] profile High, level 3.1
    
[libx264 @ 0x206ed00] 264 - core 146 - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - 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=3 lookahead_threads=1 sliced_thre                                                                                                                                       ads=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 scene                                                                                                                                       cut=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 'out.mp4':
    
  Metadata:
    
    major_brand     : isom
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1mp41
    
    encoder         : Lavf58.20.100
    
    Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 960x360 [SAR 1:1 DAR 8:3], q=-1--1, 32 fps, 16384 tbn, 32 tbc (default)
    
    Metadata:
    
      encoder         : Lavc58.35.100 libx264
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
    
    Metadata:
    
      handler_name    : SoundHandler
    
      encoder         : Lavc58.35.100 aac
    
frame=  709 fps=130 q=-1.0 Lsize=     573kB time=00:00:22.12 bitrate= 212.2kbits/s dup=544 drop=0 speed=4.05x
    
video:478kB audio:81kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.445685%
    
[libx264 @ 0x206ed00] frame I:3     Avg QP:16.86  size: 38355
    
[libx264 @ 0x206ed00] frame P:190   Avg QP:18.22  size:  1633
    
[libx264 @ 0x206ed00] frame B:516   Avg QP:16.23  size:   123
    
[libx264 @ 0x206ed00] consecutive B-frames:  1.3%  2.8%  6.8% 89.1%
    
[libx264 @ 0x206ed00] mb I  I16..4:  6.6% 54.8% 38.6%
    
[libx264 @ 0x206ed00] mb P  I16..4:  0.4%  1.5%  0.2%  P16..4:  8.7%  4.0%  1.9%  0.0%  0.0%    skip:83.3%
    
[libx264 @ 0x206ed00] mb B  I16..4:  0.0%  0.1%  0.0%  B16..8:  4.2%  0.3%  0.0%  direct: 0.0%  skip:95.4%  L0:37.2% L1:58.9% BI: 4.0%
    
[libx264 @ 0x206ed00] 8x8 transform intra:66.2% inter:63.4%
    
[libx264 @ 0x206ed00] coded y,uvDC,uvAC intra: 66.1% 65.6% 21.6% inter: 1.7% 1.1% 0.0%
    
[libx264 @ 0x206ed00] i16 v,h,dc,p: 21% 26% 11% 42%
    
[libx264 @ 0x206ed00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 25% 23% 13%  5%  7%  8%  7%  7%  6%
    
[libx264 @ 0x206ed00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 24%  9%  6%  7%  7%  6%  7%  7%
    
[libx264 @ 0x206ed00] i8c dc,h,v,p: 46% 25% 20%  9%
    
[libx264 @ 0x206ed00] Weighted P-Frames: Y:1.1% UV:0.0%
    
[libx264 @ 0x206ed00] ref P L0: 66.0% 19.4% 12.0%  2.6%  0.0%
    
[libx264 @ 0x206ed00] ref B L0: 87.2% 11.8%  1.0%
    
[libx264 @ 0x206ed00] ref B L1: 95.2%  4.8%
    
[libx264 @ 0x206ed00] kb/s:176.52
    
[aac @ 0x204aa00] Qavg: 247.398

  • ffmpeg created timelapse won't play on other players than VLC

    27 février 2019, par theFeiter

    I am creating a Timelapse Video with the following ffmpeg command :

    ffmpeg -r 24 -start_number 7754 -i IMG_%d.JPG -pix_fmt yuv420p -s 1920x1080 Output.mp4

    This works without errors, but when I try to play the .mp4 on my Android Phone it shows an Error : "Unable to play file. Not enough resources"

    With the VLC App : "Currently unable to play this video. Stop the other video and try again"

    When I put the Video through Handbrake It plays fine on all players.

    I tried out changing some ffmpeg options, but nothing helped.

    When I compare the output of ffmpeg -i Output.mp4 from the original with the output from the video out of handbrake it differs only in the video bitrate.

    Are there any other options I can try to change ?

    This is the ffmpeg output :

    ffmpeg version 3.4.4-0ubuntu0.18.04.1 Copyright (c) 2000-2018 the FFmpeg developers
    
  built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
    
  configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
    
  libavutil      55. 78.100 / 55. 78.100
    
  libavcodec     57.107.100 / 57.107.100
    
  libavformat    57. 83.100 / 57. 83.100
    
  libavdevice    57. 10.100 / 57. 10.100
    
  libavfilter     6.107.100 /  6.107.100
    
  libavresample   3.  7.  0 /  3.  7.  0
    
  libswscale      4.  8.100 /  4.  8.100
    
  libswresample   2.  9.100 /  2.  9.100
    
  libpostproc    54.  7.100 / 54.  7.100
    
Input #0, image2, from 'PIC_%d.jpg':
    
  Duration: 00:00:02.24, start: 0.000000, bitrate: N/A
    
    Stream #0:0: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), 720x1280 [SAR 1:1 DAR 9:16], 25 fps, 25 tbr, 25 tbn, 25 tbc
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (mjpeg (native) -> h264 (libx264))
    
Press [q] to stop, [?] for help
    
[swscaler @ 0x56059fe911a0] deprecated pixel format used, make sure you did set range correctly
    
[libx264 @ 0x56059f9b4180] using SAR=1/1
    
[libx264 @ 0x56059f9b4180] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
    
[libx264 @ 0x56059f9b4180] profile High, level 3.1
    
[libx264 @ 0x56059f9b4180] 264 - core 152 r2854 e9a5903 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - 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=2 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 'ttyffmpeg.mp4':
    
  Metadata:
    
    encoder         : Lavf57.83.100
    
    Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 720x1280 [SAR 1:1 DAR 9:16], q=-1--1, 2 fps, 16384 tbn, 2 tbc
    
    Metadata:
    
      encoder         : Lavc57.107.100 libx264
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
frame=   56 fps= 11 q=-1.0 Lsize=    5242kB time=00:00:26.50 bitrate=1620.4kbits/s speed=5.38x    
    
video:5241kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.025511%
    
[libx264 @ 0x56059f9b4180] frame I:9     Avg QP:14.75  size:111662
    
[libx264 @ 0x56059f9b4180] frame P:35    Avg QP:17.14  size: 90885
    
[libx264 @ 0x56059f9b4180] frame B:12    Avg QP:17.74  size: 98312
    
[libx264 @ 0x56059f9b4180] consecutive B-frames: 62.5% 21.4% 16.1%  0.0%
    
[libx264 @ 0x56059f9b4180] mb I  I16..4:  2.6% 96.8%  0.6%
    
[libx264 @ 0x56059f9b4180] mb P  I16..4:  1.0% 93.5%  1.2%  P16..4:  1.6%  1.1%  0.4%  0.0%  0.0%    skip: 1.1%
    
[libx264 @ 0x56059f9b4180] mb B  I16..4:  0.6% 66.7%  2.1%  B16..8: 10.1% 10.6%  3.0%  direct: 4.8%  skip: 2.0%  L0:35.3% L1:34.6% BI:30.0%
    
[libx264 @ 0x56059f9b4180] 8x8 transform intra:97.3% inter:91.2%
    
[libx264 @ 0x56059f9b4180] coded y,uvDC,uvAC intra: 94.3% 79.0% 44.3% inter: 77.2% 76.9% 31.3%
    
[libx264 @ 0x56059f9b4180] i16 v,h,dc,p: 59% 25% 14%  2%
    
[libx264 @ 0x56059f9b4180] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 18% 42%  3%  2%  2%  4%  4%  6%
    
[libx264 @ 0x56059f9b4180] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 31% 27% 10%  3%  5%  5%  8%  5%  7%
    
[libx264 @ 0x56059f9b4180] i8c dc,h,v,p: 40% 24% 29%  7%
    
[libx264 @ 0x56059f9b4180] Weighted P-Frames: Y:8.6% UV:5.7%
    
[libx264 @ 0x56059f9b4180] ref P L0: 67.0% 15.7% 14.0%  3.2%  0.1%
    
[libx264 @ 0x56059f9b4180] ref B L0: 88.0% 11.4%  0.6%
    
[libx264 @ 0x56059f9b4180] kb/s:1533.05

  • ffmpeg Conversion issue with 3:2 aspect ratio

    5 mai 2015, par nurma

    Sometimes there is an issue when i try to convert to mp4 using ffmpeg. I’m getting issue "Error while opening encoder for output stream #0:1 - maybe incorrect parameters such as bit_rate, rate, width or height". Maybe, this is because of input video file, that has dimensions 720x480 with aspect ratio 3:2. Please help me, how to correctly convert this type of video.
    This is the command :

     ffmpeg -y -i input.mp4 -i watermark.png -filter_complex 'scale=-2:360,overlay=(main_w-overlay_w)-20:(main_h-overlay_h)-20' -codec:v libx264 -profile:v main -preset slow -b:v 300k -maxrate 300k -bufsize 600k -threads 0 -codec:a aac -strict experimental -b:a 128k -crf 20 output.mp4 1> output.log 2>&1

    Here the error log :

    ffmpeg version 2.4.3 Copyright (c) 2000-2014 the FFmpeg developers
    
      built on Nov 16 2014 22:36:57 with gcc 4.8.2 (GCC)
    
      configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/man --docdir=/usr/doc/ffmpeg-2.4.3 --enable-gpl --enable-version3 --enable-avfilter --enable-avresample --enable-libass --enable-libdc1394 --enable-libgsm --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libv4l2 --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libzvbi --enable-postproc --enable-runtime-cpudetect --enable-vaapi --enable-vdpau --enable-memalign-hack --enable-pthreads --enable-x11grab --enable-bzlib --enable-zlib --enable-shared --enable-static --disable-debug --arch=x86_64 --enable-pic --extra-cflags='-I/tmp/build/tmp-ffmpeg/ffmpegdeps/usr/include -DRUNTIME_CPUDETECT' --extra-ldflags='-L/tmp/build/tmp-ffmpeg/ffmpegdeps/usr/lib64 -ldl -lssl -lcrypto -lz -lusb' --pkg-config-flags=--static
    
      libavutil      54.  7.100 / 54.  7.100
    
      libavcodec     56.  1.100 / 56.  1.100
    
      libavformat    56.  4.101 / 56.  4.101
    
      libavdevice    56.  0.100 / 56.  0.100
    
      libavfilter     5.  1.100 /  5.  1.100
    
      libavresample   2.  1.  0 /  2.  1.  0
    
      libswscale      3.  0.100 /  3.  0.100
    
      libswresample   1.  1.100 /  1.  1.100
    
      libpostproc    53.  0.100 / 53.  0.100
    
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4':
    
      Metadata:
    
        major_brand     : isom
    
        minor_version   : 512
    
        compatible_brands: isomiso2avc1mp41
    
        encoder         : Lavf56.15.102
    
      Duration: 00:00:06.76, start: 0.000000, bitrate: 1856 kb/s
    
        Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 720x480, 1804 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    
        Metadata:
    
          handler_name    : VideoHandler
    
        Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 16000 Hz, mono, fltp, 54 kb/s (default)
    
        Metadata:
    
          handler_name    : SoundHandler
    
    Input #1, png_pipe, from 'watermark.png':
    
      Duration: N/A, bitrate: N/A
    
        Stream #1:0: Video: png, rgba, 120x35, 25 tbr, 25 tbn, 25 tbc
    
    [libx264 @ 0x2179d80] using cpu capabilities: MMX2 SSE2Fast SSSE3 Cache64 SlowShuffle
    
    [libx264 @ 0x2179d80] profile Main, level 3.0
    
    [libx264 @ 0x2179d80] 264 - core 142 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x1:0x111 me=umh subme=8 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=3 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=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=crf mbtree=1 crf=20.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=300 vbv_bufsize=600 crf_max=0.0 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
    
    [aac @ 0x217ba40] Too many bits per frame requested
    
    Output #0, mp4, to 'output.mp4':
    
      Metadata:
    
        major_brand     : isom
    
        minor_version   : 512
    
        compatible_brands: isomiso2avc1mp41
    
        encoder         : Lavf56.15.102
    
        Stream #0:0: Video: h264 (libx264), yuv420p, 540x360, q=-1--1, 300 kb/s, 30 fps, 30 tbn, 30 tbc (default)
    
        Metadata:
    
          encoder         : Lavc56.1.100 libx264
    
        Stream #0:1(eng): Audio: aac, 0 channels, 128 kb/s (default)
    
        Metadata:
    
          handler_name    : SoundHandler
    
          encoder         : Lavc56.1.100 aac
    
    Stream mapping:
    
      Stream #0:0 (h264) -> scale (graph 0)
    
      Stream #1:0 (png) -> overlay:overlay (graph 0)
    
      overlay (graph 0) -> Stream #0:0 (libx264)
    
      Stream #0:1 -> #0:1 (aac (native) -> aac (native))
    
    Error while opening encoder for output stream #0:1 - maybe incorrect parameters such as bit_rate, rate, width or height

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