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Autres articles (53)

  • 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.

  • MediaSPIP Player : problèmes potentiels

    22 février 2011, par

    Le lecteur ne fonctionne pas sur Internet Explorer
    Sur Internet Explorer (8 et 7 au moins), le plugin utilise le lecteur Flash flowplayer pour lire vidéos et son. Si le lecteur ne semble pas fonctionner, cela peut venir de la configuration du mod_deflate d’Apache.
    Si dans la configuration de ce module Apache vous avez une ligne qui ressemble à la suivante, essayez de la supprimer ou de la commenter pour voir si le lecteur fonctionne correctement : /** * GeSHi (C) 2004 - 2007 Nigel McNie, (...)

  • Publier sur MédiaSpip

    13 juin 2013

    Puis-je poster des contenus à partir d’une tablette Ipad ?
    Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir

Sur d’autres sites (5747)

  • How to combine 2 videos using either NReco ffmpeg ConvertMedia or just ffmpeg command line ?

    11 octobre 2016, par M. Ilchuk

    We have 2 videos : video1.webm and video2.webm.
    How to combine these two and get output.mp4 which contains video from video1.webm and audio from video1 and video2 ?

    Example :

    video1(audio1 in video1) + video2(audio2 in video2) = outputVideo(video1 + audio1 +audio2)

    image example

    ffmpeg -i 1.webm -i 2.webm
    ffmpeg version N-81872-gbe1d324 Copyright (c) 2000-2016 the FFmpeg developers
    built with gcc 5.4.0 (GCC)
    configuration : —enable-gpl —enable-version3 —disable-w32threads —enable-dxva2 —enable-libmfx —enable-nvenc —enable-avisynth —enable-bzlib —enable-libebur128 —enable-fontconfig —enable-frei0r —enable-gnutls —enable-iconv —enable-libass —enable-libbluray —enable-libbs2b —enable-libcaca —enable-libfreetype —enable-libgme —enable-libgsm —enable-libilbc —enable-libmodplug —enable-libmp3lame —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libopenh264 —enable-libopenjpeg —enable-libopus —enable-librtmp —enable-libschroedinger —enable-libsnappy —enable-libsoxr —enable-libspeex —enable-libtheora —enable-libtwolame —enable-libvidstab —enable-libvo-amrwbenc —enable-libvorbis —enable-libvpx —enable-libwavpack —enable-libwebp —enable-libx264 —enable-libx265 —enable-libxavs —enable-libxvid —enable-libzimg —enable-lzma —enable-decklink —enable-zlib
    libavutil 55. 32.100 / 55. 32.100
    libavcodec 57. 60.101 / 57. 60.101
    libavformat 57. 51.102 / 57. 51.102
    libavdevice 57. 0.102 / 57. 0.102
    libavfilter 6. 63.100 / 6. 63.100
    libswscale 4. 1.100 / 4. 1.100
    libswresample 2. 2.100 / 2. 2.100
    libpostproc 54. 0.100 / 54. 0.100
    Input #0, matroska,webm, from ’1.webm’ :
    Metadata :
    encoder : libwebm-0.2.1.0
    creation_time : 2016-10-05T07:54:05.064000Z
    Duration : 00:00:30.11, start : 0.000000, bitrate : 798 kb/s
    Stream #0:0(eng) : Audio : opus, 48000 Hz, mono, fltp (default)
    Stream #0:1(eng) : Video : vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 8.33 tbr, 1k tbn, 1k tbc (default)
    Input #1, matroska,webm, from ’2.webm’ :
    Metadata :
    encoder : libwebm-0.2.1.0
    creation_time : 2016-10-05T07:54:20.135000Z
    Duration : 00:00:30.20, start : 0.000000, bitrate : 523 kb/s
    Stream #1:0(eng) : Audio : opus, 48000 Hz, mono, fltp (default)
    Stream #1:1(eng) : Video : vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 1k tbr, 1k tbn, 1k tbc (default)
    At least one output file must be specified.

    No sound from video 2, video 1 but it is very bad.
    The process of converting long.

    >ffmpeg -i 1.webm -i 2.webm -filter_complex "[0:a][1:a]amerge=inputs=2[a]" -map 0:v -map "[a]" -ac 2 -shortest output.webm
    
ffmpeg version N-81872-gbe1d324 Copyright (c) 2000-2016 the FFmpeg developers
    
  built with gcc 5.4.0 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-libebur128 --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
    
  libavutil      55. 32.100 / 55. 32.100
    
  libavcodec     57. 60.101 / 57. 60.101
    
  libavformat    57. 51.102 / 57. 51.102
    
  libavdevice    57.  0.102 / 57.  0.102
    
  libavfilter     6. 63.100 /  6. 63.100
    
  libswscale      4.  1.100 /  4.  1.100
    
  libswresample   2.  2.100 /  2.  2.100
    
  libpostproc    54.  0.100 / 54.  0.100
    
Input #0, matroska,webm, from '1.webm':
    
  Metadata:
    
    encoder         : libwebm-0.2.1.0
    
    creation_time   : 2016-10-05T07:54:05.064000Z
    
  Duration: 00:00:30.11, start: 0.000000, bitrate: 798 kb/s
    
    Stream #0:0(eng): Audio: opus, 48000 Hz, mono, fltp (default)
    
    Stream #0:1(eng): Video: vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 8.33 tbr, 1k tbn, 1k tbc (default)
    
Input #1, matroska,webm, from '2.webm':
    
  Metadata:
    
    encoder         : libwebm-0.2.1.0
    
    creation_time   : 2016-10-05T07:54:20.135000Z
    
  Duration: 00:00:30.20, start: 0.000000, bitrate: 523 kb/s
    
    Stream #1:0(eng): Audio: opus, 48000 Hz, mono, fltp (default)
    
    Stream #1:1(eng): Video: vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 1k tbr, 1k tbn, 1k tbc (default)
    
[Parsed_amerge_0 @ 00000000026d4400] No channel layout for input 1
    
[Parsed_amerge_0 @ 00000000026d4400] Input channel layouts overlap: output layout will be determined by the number of distinct input channels
    
[libvpx-vp9 @ 0000000002592280] v1.6.0
    
[libopus @ 00000000024d81e0] No bit rate set. Defaulting to 96000 bps.
    
Output #0, webm, to 'output.webm':
    
  Metadata:
    
    encoder         : Lavf57.51.102
    
    Stream #0:0(eng): Video: vp9 (libvpx-vp9), yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 200 kb/s, 8.33 fps, 1k tbn, 8.33 tbc (default)
    
    Metadata:
    
      encoder         : Lavc57.60.101 libvpx-vp9
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
    Stream #0:1: Audio: opus (libopus), 48000 Hz, stereo, flt, 96 kb/s (default)
    
    Metadata:
    
      encoder         : Lavc57.60.101 libopus
    
Stream mapping:
    
  Stream #0:0 (opus) -> amerge:in0 (graph 0)
    
  Stream #1:0 (opus) -> amerge:in1 (graph 0)
    
  Stream #0:1 -> #0:0 (vp8 (native) -> vp9 (libvpx-vp9))
    
  amerge (graph 0) -> Stream #0:1 (libopus)
    
Press [q] to stop, [?] for help
    
Error while decoding stream #0:0: Cannot allocate memory94 bitrate=  91.8kbits/s speed=2.33x
    
    Last message repeated 4 times
    
Error while decoding stream #0:0: Cannot allocate memory94 bitrate= 100.0kbits/s speed=1.62x
    
    Last message repeated 23 times
    
Error while decoding stream #0:0: Cannot allocate memory94 bitrate= 133.1kbits/s speed=1.27x
    
    Last message repeated 17 times
    
Error while decoding stream #0:0: Cannot allocate memory94 bitrate= 160.5kbits/s speed=1.06x
    
    Last message repeated 17 times
    
Error while decoding stream #0:0: Cannot allocate memory94 bitrate= 164.1kbits/s speed=0.932x
    
    Last message repeated 23 times
    
Error while decoding stream #0:0: Cannot allocate memory94 bitrate= 185.8kbits/s speed=0.819x
    
    Last message repeated 17 times
    
Error while decoding stream #0:0: Cannot allocate memory94 bitrate= 212.5kbits/s speed=0.72x
    
    Last message repeated 4 times
    
Error while decoding stream #0:0: Cannot allocate memory28 bitrate= 242.0kbits/s speed=0.68x
    
    Last message repeated 18 times
    
Error while decoding stream #0:0: Cannot allocate memory50 bitrate= 190.1kbits/s speed= 0.9x
    
    Last message repeated 13 times
    
Error while decoding stream #0:0: Cannot allocate memory50 bitrate= 205.9kbits/s speed=0.849x
    
    Last message repeated 21 times
    
Error while decoding stream #0:0: Cannot allocate memory50 bitrate= 209.5kbits/s speed=0.781x
    
    Last message repeated 17 times
    
Error while decoding stream #0:0: Cannot allocate memory50 bitrate= 225.2kbits/s speed=0.741x
    
    Last message repeated 16 times
    
Error while decoding stream #0:0: Cannot allocate memory50 bitrate= 240.9kbits/s speed=0.695x
    
    Last message repeated 18 times
    
Error while decoding stream #0:0: Cannot allocate memory68 bitrate= 239.9kbits/s speed=0.665x
    
Error while decoding stream #0:0: Cannot allocate memory76 bitrate= 251.1kbits/s speed=0.659x
    
    Last message repeated 10 times
    
Error while decoding stream #0:0: Cannot allocate memory99 bitrate= 211.2kbits/s speed=0.791x
    
    Last message repeated 17 times
    
Error while decoding stream #0:0: Cannot allocate memory99 bitrate= 212.8kbits/s speed=0.751x
    
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Error while decoding stream #0:0: Cannot allocate memory99 bitrate= 224.7kbits/s speed=0.724x
    
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Error while decoding stream #0:0: Cannot allocate memory99 bitrate= 225.4kbits/s speed=0.701x
    
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Error while decoding stream #0:0: Cannot allocate memory99 bitrate= 235.8kbits/s speed=0.678x
    
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Error while decoding stream #0:0: Cannot allocate memory99 bitrate= 244.0kbits/s speed=0.654x
    
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Error while decoding stream #0:0: Cannot allocate memory16 bitrate= 242.8kbits/s speed=0.645x
    
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Error while decoding stream #0:0: Cannot allocate memory00 bitrate= 242.9kbits/s speed=0.638x
    
Error while decoding stream #0:0: Cannot allocate memory36 bitrate= 246.9kbits/s speed=0.639x
    
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Error while decoding stream #0:0: Cannot allocate memory46 bitrate= 218.2kbits/s speed=0.727x
    
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Error while decoding stream #0:0: Cannot allocate memory46 bitrate= 219.9kbits/s speed=0.707x
    
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Error while decoding stream #0:0: Cannot allocate memory46 bitrate= 227.5kbits/s speed=0.69x
    
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Error while decoding stream #0:0: Cannot allocate memory46 bitrate= 229.6kbits/s speed=0.673x
    
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Error while decoding stream #0:0: Cannot allocate memory46 bitrate= 237.3kbits/s speed=0.657x
    
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Error while decoding stream #0:0: Cannot allocate memory46 bitrate= 238.8kbits/s speed=0.642x
    
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Error while decoding stream #0:0: Cannot allocate memory46 bitrate= 245.4kbits/s speed=0.627x
    
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Error while decoding stream #0:0: Cannot allocate memory76 bitrate= 242.9kbits/s speed=0.625x
    
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Error while decoding stream #0:0: Cannot allocate memory60 bitrate= 246.0kbits/s speed=0.618x
    
Error while decoding stream #0:0: Cannot allocate memory97 bitrate= 229.5kbits/s speed=0.697x
    
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Error while decoding stream #0:0: Cannot allocate memory97 bitrate= 235.1kbits/s speed=0.679x
    
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Error while decoding stream #0:0: Cannot allocate memory97 bitrate= 236.4kbits/s speed=0.664x
    
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Error while decoding stream #0:0: Cannot allocate memory97 bitrate= 241.4kbits/s speed=0.652x
    
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Error while decoding stream #0:0: Cannot allocate memory97 bitrate= 242.8kbits/s speed=0.639x
    
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Error while decoding stream #0:0: Cannot allocate memory97 bitrate= 247.9kbits/s speed=0.627x
    
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Error while decoding stream #0:0: Cannot allocate memory97 bitrate= 249.4kbits/s speed=0.616x
    
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Error while decoding stream #0:0: Cannot allocate memory24 bitrate= 252.4kbits/s speed=0.611x
    
    Last message repeated 4 times
    
Error while decoding stream #0:0: Cannot allocate memory96 bitrate= 253.9kbits/s speed=0.612x
    
Error while decoding stream #0:0: Cannot allocate memory32 bitrate= 252.1kbits/s speed=0.611x
    
    Last message repeated 15 times
    
Error while decoding stream #0:0: Cannot allocate memory45 bitrate= 233.6kbits/s speed=0.663x
    
    Last message repeated 17 times
    
Error while decoding stream #0:0: Cannot allocate memory45 bitrate= 239.7kbits/s speed=0.652x
    
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Error while decoding stream #0:0: Cannot allocate memory45 bitrate= 245.3kbits/s speed=0.641x
    
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Error while decoding stream #0:0: Cannot allocate memory45 bitrate= 246.6kbits/s speed=0.629x
    
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Error while decoding stream #0:0: Cannot allocate memory60 bitrate= 251.4kbits/s speed=0.621x
    
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Error while decoding stream #0:0: Cannot allocate memory80 bitrate= 254.7kbits/s speed=0.629x
    
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Error while decoding stream #0:0: Cannot allocate memory93 bitrate= 239.0kbits/s speed=0.676x
    
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Error while decoding stream #0:0: Cannot allocate memory93 bitrate= 243.4kbits/s speed=0.663x
    
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Error while decoding stream #0:0: Cannot allocate memory93 bitrate= 247.8kbits/s speed=0.655x
    
    Last message repeated 13 times
    
Error while decoding stream #0:0: Cannot allocate memory93 bitrate= 252.1kbits/s speed=0.644x
    
    Last message repeated 15 times
    
Error while decoding stream #0:0: Cannot allocate memory17 bitrate= 251.6kbits/s speed=0.642x
    
    Last message repeated 4 times
    
Error while decoding stream #0:0: Cannot allocate memory44 bitrate= 253.6kbits/s speed=0.64x
    
    Last message repeated 4 times
    
Error while decoding stream #0:0: Cannot allocate memory40 bitrate= 254.2kbits/s speed=0.644x
    
    Last message repeated 5 times
    
frame=  249 fps=5.4 q=0.0 Lsize=     946kB time=00:00:30.12 bitrate= 257.2kbits/s speed=0.654x
    
video:806kB audio:133kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.632650%

  • nested loop in bash shell

    17 juin 2015, par Tareq Suheimat

    I want to stream video using ffserver and then receive and download it using ffmpeg but first I want to add some noise to the link using netem and the wanted noise will be Bit error,so for the transmitter side there’s no problem the problem is at the receiver side
    so the first loop must contain the percentage numbers of the bit error like 0.2 0.4 0.6 0.8 and do the following command :

    tc qdisc change dev eth0 root netem corrupt 0.1%

    then for each one of the bit error values must repeat it for 10 times and for each try I must download the received video using the following command :

    ffmpeg -i rtsp://localhost:7654/test1-rtsp.mpg -acodec copy -vcodec copy output.mp4

    so later I end up with too many videos to compare them later.

    please people help me it’s urgent !!!

    tell now I have this scratched code but I don’t know how to compile it together

    for i in {0.2 0.4 0.6 0.8}
    
do
    
    tc qdisc change dev eth0 root netem corrupt ${i}%
    

    
    #(must repeat for each i the ffmpeg download command 10 times)
    

    
    #The download command
    
    for x in {1..N}
    
    do
    
        ffmpeg -i rtsp://localhost:7654/test-rtsp.mpg -acodec copy -vcodec copy tested${x}.mp4
    
    done

  • Add Audio to video with existing audio using FFmpeg and change volume of of both audios

    14 juin 2017, par 1234567

    Add Audio to video with existing audio using FFmpeg and change volume of both audios

    I am using this command from ffmpeg to merge audio to video

    video.mp4 has video and audio, and audio.m4a only has audio

    ffmpeg -i video.mp4 -i audio.m4a -map 0:v -map 1:a -c copy -shortest output.mp4

    I want to merge audio to video but maintain audio from both video and the new audio file

    I also want to change the volume of audio file that I want to add from current file to 1.5 times

    and change the audio from the video file to 0.5 times

    how can we change the volume and still maintain new and old audio in the merged file

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