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    25 avril 2011, par

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  • HTML5 audio and video support

    13 avril 2011, par

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    MediaSPIP allows for media playback on major mobile platforms with the above (...)

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    5 mars 2010, par

    Le site central/maître de la ferme a besoin d’utiliser plusieurs plugins supplémentaires vis à vis des canaux pour son bon fonctionnement. le plugin Gestion de la mutualisation ; le plugin inscription3 pour gérer les inscriptions et les demandes de création d’instance de mutualisation dès l’inscription des utilisateurs ; le plugin verifier qui fournit une API de vérification des champs (utilisé par inscription3) ; le plugin champs extras v2 nécessité par inscription3 (...)

Sur d’autres sites (5794)

  • ffmpeg video slideshow only takes first image

    14 décembre 2018, par Erhan

    I wanted to create an .mp4 video with a framerate of 1 fps out of 10 images. I followed https://trac.ffmpeg.org/wiki/Slideshow and got to (my images are in the folder I am running the command from and are name img000.png, img001.png, etc.)

    path_to_ffmpeg\ffmpeg.exe -framerate 1 -i img%03d.png output.mp4

    However only the first image is taken to the video and it only shows one image !

    After trying multiple permutations of -framerate and -r options and positions of the options, I did not recieve any better results.

    Does anyone know what might have gone wrong even in this simple case ? Thanks.

    Full log :

    C:\Users\foo\Documents\path>C:\bar\ffmpeg-4.0.2-win64-static\bin\ffmpeg.ex
    
e -framerate 1 -i img%03d.png output.mp4    
    
ffmpeg version 4.0.2 Copyright (c) 2000-2018 the FFmpeg developers    
    
  built with gcc 7.3.1 (GCC) 20180722    
    
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --e    
    
nable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libblur    
    
ay --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-    
    
libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enab    
    
le-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-li    
    
bvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --en    
    
able-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-    
    
libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enabl    
    
e-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enabl    
    
e-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enab    
    
le-dxva2 --enable-avisynth    
    
  libavutil      56. 14.100 / 56. 14.100    
    
  libavcodec     58. 18.100 / 58. 18.100    
    
  libavformat    58. 12.100 / 58. 12.100    
    
  libavdevice    58.  3.100 / 58.  3.100    
    
  libavfilter     7. 16.100 /  7. 16.100    
    
  libswscale      5.  1.100 /  5.  1.100    
    
  libswresample   3.  1.100 /  3.  1.100    
    
  libpostproc    55.  1.100 / 55.  1.100    
    
Input #0, image2, from 'img%03d.png':    
    
  Duration: 00:00:10.00, start: 0.000000, bitrate: N/A    
    
    Stream #0:0: Video: png, rgba(pc), 959x550 [SAR 2834:2834 DAR 959:550], 1 fp    
    
s, 1 tbr, 1 tbn, 1 tbc    
    
File 'output.mp4' already exists. Overwrite ? [y/N] y    
    
Stream mapping:    
    
  Stream #0:0 -> #0:0 (png (native) -> h264 (libx264))    
    
Press [q] to stop, [?] for help    
    
[libx264 @ 0000000000611040] using SAR=1/1    
    
[libx264 @ 0000000000611040] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2    
    
AVX FMA3 BMI2 AVX2    
    
[libx264 @ 0000000000611040] profile High 4:4:4 Predictive, level 3.1, 4:4:4 8-b    
    
it    
    
[libx264 @ 0000000000611040] 264 - core 155 r2901 7d0ff22 - H.264/MPEG-4 AVC cod    
    
ec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 r    
    
ef=3 deblock=1:0:0 analyse=0x1:0x111 me=hex subme=7 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_pski    
    
p=1 chroma_qp_offset=4 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 deci    
    
mate=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=1    
    
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 'output.mp4':    
    
  Metadata:    
    
    encoder         : Lavf58.12.100    
    
    Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv444p, 959x550 [SA    
    
R 1:1 DAR 959:550], q=-1--1, 1 fps, 16384 tbn, 1 tbc    
    
    Metadata:    
    
      encoder         : Lavc58.18.100 libx264    
    
    Side data:    
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1    
    
frame=   10 fps=0.0 q=-1.0 Lsize=      20kB time=00:00:07.00 bitrate=  23.1kbits    
    
/s speed=68.6x    
    
video:19kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing ov    
    
erhead: 5.046419%    
    
[libx264 @ 0000000000611040] frame I:1     Avg QP: 4.41  size: 14084    
    
[libx264 @ 0000000000611040] frame P:3     Avg QP:12.31  size:   632    
    
[libx264 @ 0000000000611040] frame B:6     Avg QP:19.11  size:   436    
    
[libx264 @ 0000000000611040] consecutive B-frames: 20.0%  0.0%  0.0% 80.0%    
    
[libx264 @ 0000000000611040] mb I  I16..4: 89.7%  0.0% 10.3%    
    
[libx264 @ 0000000000611040] mb P  I16..4:  0.2%  0.0%  0.1%  P16..4:  0.5% 0.1    
    
%  0.1%  0.0%  0.0%    skip:98.9%    
    
[libx264 @ 0000000000611040] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.6%  0.1    
    
%  0.1%  direct: 0.0%  skip:99.1%  L0:22.0% L1:73.7% BI: 4.3%    
    
[libx264 @ 0000000000611040] coded y,u,v intra: 6.1% 2.5% 2.6% inter: 0.2% 0.1%    
    
0.1%    
    
[libx264 @ 0000000000611040] i16 v,h,dc,p: 72% 25%  3%  0%    
    
[libx264 @ 0000000000611040] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 35% 31% 20%  2%  2%    
    
2%  3%  5%  2%    
    
[libx264 @ 0000000000611040] Weighted P-Frames: Y:0.0% UV:0.0%    
    
[libx264 @ 0000000000611040] ref P L0: 65.8%  1.5% 26.5%  6.1%    
    
[libx264 @ 0000000000611040] ref B L0: 77.0% 12.7% 10.3%    
    
[libx264 @ 0000000000611040] ref B L1: 88.6% 11.4%
    
[libx264 @ 0000000000611040] kb/s:14.87

  • FFmpeg pipe input, error while transcoding from WebM to MP4

    7 mai 2022, par saurav

    I am trying to record a video from pipe input using FFMPEG. The pipe input is in WebM format i.e. the video codec is VP8 and the audio codec is OPUS. I am able to save the output video in the WebM format using FFMPEG without any issue. But when I am trying to save it in MP4 format, I am not getting the desired output. Though there are no errors while saving, the output file shows an error with description " This file contains no playable streams !."

    


    These are the options for successfully recording in the WebM format.

    


        '-loglevel', 'debug', '-protocol_whitelist', 'pipe,udp,rtp', 
'-fflags', '+genpts', '-i', 'pipe:0', '-map', '0:v:0', '-c:v', 
'copy', '-map', '0:a:0', '-strict', '-2', '-c:a', 'copy', '-flags',
 '+global_header', '-f', 'webm', 'output.webm'


    


    Here are my ffmpeg options for recording in the MP4 format.

    


        '-thread_queue_size', '4096', '-r', '25', '-i', 'pipe:0', 
    '-c:v', 'libx264', '-preset', 'veryFast', '-pix_fmt', 'yuvj420p', 
    '-acodec', 'aac', "output.mp4"


    


    Console output after executing this command as a subprocess

    


    > ffmpeg::process::data [data:'  libavutil      56. 31.100 / 56. 
31.100\n' + '  libavcodec     58. 54.100 / 58. 54.100\n' + '  
libavformat    58. 29.100 / 58. 29.100\n' + '  libavdevice    58. 
 8.100 / 58.  8.100\n' + '  libavfilter     7. 57.100 /  7. 57.100\n'
 + '  libavresample   4.  0.  0 /  4.  0.  0\n' + '  libswscale 
     5.  5.100 /  5.  5.100\n' + '  libswresample   3.  5.100 /  3.
  5.100\n' + '  libpostproc    55.  5.100 / 55.  5.100\n'] +1ms
> 
> ffmpeg ffmpeg::process::data [data:"Input #0, matroska,webm, from
> 'pipe:0':\n" + '  Metadata:\n' + '    encoder         : Chrome\n' + ' 
> Duration: N/A, start: 0.000000, bitrate: N/A\n' + '    Stream
> #0:0(eng): Audio: opus, 48000 Hz, stereo, fltp (default)\n' + ' 
   Stream #0:1(eng): Video: vp8, yuv420p(progressive), 1920x950, SAR 1:1
> DAR 192:95, 30 fps, 30 tbr, 1k tbn, 1k tbc (default)\n' + '   
> Metadata:\n' + '      alpha_mode      : 1\n'] +1s
> 
> 
>  ffmpeg::process::data [data:'Stream mapping:\n' + '  Stream #0:1 ->
> #0:0 (vp8 (native) -> h264 (libx264))\n' + '  Stream #0:0 -> #0:1 
(opus (native) -> aac (native))\n'] +1ms
> 
>    ffmpeg::process::data [data:'[swscaler @ 0x55a63050ddc0] deprecated
> pixel format used, make sure you did set range correctly\n'] +23ms
> 
>   ffmpeg::process::data [data:'[libx264 @ 0x55a630489980] using
> SAR=1/1\n'] +10ms
> 
>   ffmpeg::process::data [data:'[libx264 @ 0x55a630489980] using cpu
> capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2\n'] +0ms
> 
>   ffmpeg::process::data [data:'[libx264 @ 0x55a630489980] profile
> High, level 4.0\n'] +8ms
> 
>   ffmpeg::process::data [data:'[libx264 @ 0x55a630489980] 264 - core
> 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 -
> http://www.videolan.org/x264.html - options: cabac=1 ref=1
> deblock=1:0:0 analyse=0x3:0x113 me=hex subme=2 psy=1 psy_rd=1.00:0.00
> mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=1 cqm=0
> deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=18
> lookahead_threads=6 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=1 keyint=250
> keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=10 rc=crf
> mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40
> aq=1:1.00\n'] +1ms
> 
>   ffmpeg::process::data [data:"Output #0, mp4, to 'output.mp4':\n" + '
> Metadata:\n' + '    encoder         : Lavf58.29.100\n' + '    Stream
> #0:0(eng): Video: h264 (libx264) (avc1 / 0x31637661), 
yuvj420p(pc), 1920x950 [SAR 1:1 DAR 192:95], q=-1--1, 25 fps, 12800 tbn, 25 tbc
> (default)\n' + '    Metadata:\n' + '      alpha_mode      : 1\n' + '  
> encoder         : Lavc58.54.100 libx264\n' + '    Side data:\n' + '   
> cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1\n' + '   
> Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz,
> stereo, fltp, 128 kb/s (default)\n' + '    Metadata:\n' + '     
> encoder         : Lavc58.54.100 aac\n'] +0ms
> 
> ffmpeg::process::data [data:'frame=   45 fps=0.0 q=28.0 size=      
> 0kB time=00:00:01.87 bitrate=   0.2kbits/s speed=3.48x    \r'] +505ms
> 
> ffmpeg::process::data [data:'frame=   61 fps= 56 q=28.0 size=      
> 0kB time=00:00:02.41 bitrate=   0.2kbits/s speed=2.22x    \r'] +564ms
> 
> ffmpeg::process::data [data:'frame=   76 fps= 48 q=28.0 size=      
> 0kB time=00:00:02.88 bitrate=   0.1kbits/s speed=1.81x    \r'] +492ms


    


    I have a doubt on this output as it may have been causing the issue.

    


    ffmpeg::process::data [data:'[swscaler @ 0x55a63050ddc0] deprecated
 pixel format used, make sure you did set range correctly\n'] +23ms


    


    I hope I have provided enough information about the issue I am facing. Please ask for any other information needed to understand the issue correctly.

    


    I am sure that I am missing some ffmpeg options which is causing this issue. But I am not able to identify them ! Any help in correcting this issue would be greatly appreciated.

    


    Thank you.

    


  • Inputing a List of Files for Concatenation with Node.js Module fluent-ffmpeg

    26 juin 2018, par carpiediem

    Version information

    • fluent-ffmpeg version : 2.1.2
    • ffmpeg version : 3.4.2
    • OS : Windows 10

    Code to reproduce

    ffmpeg('C:/path/to/list.txt').mergeToFile('C:/path/to/out.mp4', 'C:/path/to/temp');

    list.txt :

    file 'C:/path/to/chunk01.ts'
    
file 'C:/path/to/chunk02.ts'
    
file 'C:/path/to/chunk03.ts'
    
file 'C:/path/to/chunk04.ts'

    Note : I’ve tried both absolute and relative paths, with the same result.

    Expected results

    A video file at C:/path/to/out.mp4 that matches the 4 files in list.txt, concatenated end-to-end.

    Observed results

    An empty file at C:/path/to/out.mp4 with 0 duration and only 15kB in size. No errors were thrown.

    This is the command that I’m trying to duplicate (it works as expected, with relative paths in list.txt) :

    C:/path/to> ffmpeg -f concat -i list.txt -c copy out.ts

    stdout & stderr

    stdout was empty. stderr is copied below (with file names modified to match the ones above) :

    ffmpeg version 3.4.2 Copyright (c) 2000-2018 the FFmpeg developers
    
  built with gcc 7.3.0 (GCC)
    
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libmfx --enable-cuda --enable-cuvid --enable-d3d11va --enable-nvenc --enable-dxva2 --enable-avisynth
    
  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
    
  libswscale      4.  8.100 /  4.  8.100
    
  libswresample   2.  9.100 /  2.  9.100
    
  libpostproc    54.  7.100 / 54.  7.100
    
Input #0, tty, from 'C:/path/to/list.txt':
    
  Duration: 00:00:00.08, bitrate: 42 kb/s
    
    Stream #0:0: Video: ansi, pal8, 640x400, 25 fps, 25 tbr, 25 tbn, 25 tbc
    
Stream mapping:
    
  Stream #0:0 (ansi) -> concat
    
  concat -> Stream #0:0 (libx264)
    
Press [q] to stop, [?] for help
    
[libx264 @ 000001e385b45040] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
    
[libx264 @ 000001e385b45040] profile High 4:4:4 Predictive, level 3.0, 4:4:4 8-bit
    
[libx264 @ 000001e385b45040] 264 - core 155 r2901 7d0ff22 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x1:0x111 me=hex subme=7 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=4 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 'C:/path/to/out.mp4':
    
  Metadata:
    
    encoder         : Lavf57.83.100
    
    Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv444p, 640x400, q=-1--1, 25 fps, 12800 tbn, 25 tbc
    
    Metadata:
    
      encoder         : Lavc57.107.100 libx264
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
frame=    2 fps=0.0 q=-1.0 Lsize=      15kB time=00:00:00.04 bitrate=3099.0kbits/s speed=1.55x
    
video:14kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 5.619430%
    
[libx264 @ 000001e385b45040] frame I:1     Avg QP:12.71  size:  8083
    
[libx264 @ 000001e385b45040] frame P:1     Avg QP:29.71  size:  5928
    
[libx264 @ 000001e385b45040] mb I  I16..4: 87.9%  0.0% 12.1%
    
[libx264 @ 000001e385b45040] mb P  I16..4:  9.3%  0.0%  0.0%  P16..4:  0.4%  0.0%  0.0%  0.0%  0.0% skip:90.3%
    
[libx264 @ 000001e385b45040] coded y,u,v intra: 17.9% 0.0% 0.0% inter: 0.1% 0.0% 0.0%
    
[libx264 @ 000001e385b45040] i16 v,h,dc,p: 88%  8%  4%  0%
    
[libx264 @ 000001e385b45040] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 31% 19%  3%  2%  3%  7%  4%  3%
    
[libx264 @ 000001e385b45040] Weighted P-Frames: Y:0.0% UV:0.0%
    
[libx264 @ 000001e385b45040] kb/s:1401.10

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