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Autres articles (62)

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

  • Gestion générale des documents

    13 mai 2011, par

    MédiaSPIP ne modifie jamais le document original mis en ligne.
    Pour chaque document mis en ligne il effectue deux opérations successives : la création d’une version supplémentaire qui peut être facilement consultée en ligne tout en laissant l’original téléchargeable dans le cas où le document original ne peut être lu dans un navigateur Internet ; la récupération des métadonnées du document original pour illustrer textuellement le fichier ;
    Les tableaux ci-dessous expliquent ce que peut faire MédiaSPIP (...)

  • MediaSPIP v0.2

    21 juin 2013, par

    MediaSPIP 0.2 est la première version de MediaSPIP stable.
    Sa date de sortie officielle est le 21 juin 2013 et est annoncée ici.
    Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
    Comme pour la version précédente, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
    Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...)

Sur d’autres sites (7943)

  • How do you create a crossfade transition between multiple videos in FFMPEG ?

    5 janvier 2016, par Katie Yamato

    I am currently looping MP4 videos with audio through FFMPEG. Here is the code

    del intermediate1.ts
    
del f.txt
    
echo file intermediate1.ts>f.txt
    
echo file intermediate1.ts>>f.txt
    
echo file intermediate1.ts>>f.txt
    
echo file intermediate1.ts>>f.txt
    
echo file intermediate1.ts>>f.txt
    
echo file intermediate1.ts>>f.txt
    
echo file intermediate1.ts>>f.txt
    
echo file intermediate1.ts>>f.txt
    
echo file intermediate1.ts>>f.txt
    
echo file intermediate1.ts>>f.txt
    
echo file intermediate1.ts>>f.txt
    
echo file intermediate1.ts>>f.txt
    
echo file intermediate1.ts>>f.txt
    
echo file intermediate1.ts>>f.txt
    
echo file intermediate1.ts>>f.txt
    
echo file intermediate1.ts>>f.txt
    
echo file intermediate1.ts>>f.txt
    

    
ffmpeg -i "SHORT MUSIC.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate1.ts -nostdin
    
ffmpeg -f concat -i f.txt -c copy -bsf:a aac_adtstoasc "LONG MUSIC.mp4" -nostdin

    However, the transition between each instance of the videos is not smooth. It cuts off as the next instance is shown. Would there be a way create a blend/crossfade transition for the videos ?

    I have come across this method however, it is only for 2 videos
    http://superuser.com/questions/778762/crossfade-between-2-videos-using-ffmpeg

    Hope someone can help me !
    Thank you very much !!

  • ffmpeg transcode ONLY if downsampling

    22 avril 2020, par Shurov

    I'm using Airsonic as a home music server. It has ffmpeg transcoding capabilities. I'd like to transcode audio ONLY IF input stream has higher parameters (any of kb/s, bit, kHz). And leave native quality if file has lower params (so not to UPscale). Is it possible using some of the ffmpeg options ?

    



    P.S. Airsonic has some Downsample field, but it doesn't seem to work at all.

    


  • Combine 2 mp3 files by using FFmpeg

    6 janvier 2016, par sajadmartiny

    I need to combine two mp3 files by using ffMpeg.
    I use this code, but it doesn’t work

    I want to execute this

    ffmpeg -i input1.mp3 -i input2.mp3 -filter_complex amerge -c:a libmp3lame -q:a 4 output.mp3

    Why isn’t my code working ?

    and my complete output log , problem Unknown encoder ’libmp3lame’

            01-06 11:48:13.560 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout ffmpeg version n2.4.2 Copyright (c) 2000-2014 the FFmpeg developers
    
01-06 11:48:13.560 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout   built on Oct  7 2014 15:05:17 with gcc 4.8 (GCC)
    
01-06 11:48:13.560 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout   configuration: --target-os=linux --cross-prefix=/home/sb/Source-Code/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/sb/Source-Code/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-fontconfig --enable-pthreads --disable-debug --disable-ffserver --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-ffprobe --enable-gpl --enable-yasm --disable-doc --disable-shared --enable-static --pkg-config=/home/sb/Source-Code/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/sb/Source-Code/ffmpeg-android/build/armeabi-v7a --extra-cflags='-I/home/sb/Source-Code/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all' --extra-ldflags='-L/home/sb/Source-Code/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
    
01-06 11:48:13.560 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout   libavutil      54.  7.100 / 54.  7.100
    
01-06 11:48:13.560 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout   libavcodec     56.  1.100 / 56.  1.100
    
01-06 11:48:13.560 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout   libavformat    56.  4.101 / 56.  4.101
    
01-06 11:48:13.560 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout   libavdevice    56.  0.100 / 56.  0.100
    
01-06 11:48:13.560 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout   libavfilter     5.  1.100 /  5.  1.100
    
01-06 11:48:13.560 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout   libswscale      3.  0.100 /  3.  0.100
    
01-06 11:48:13.560 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout   libswresample   1.  1.100 /  1.  1.100
    
01-06 11:48:13.560 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout   libpostproc    53.  0.100 / 53.  0.100
    
01-06 11:48:13.572 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout Input #0, mp3, from '/storage/emulated/0/a.mp3':
    
01-06 11:48:13.572 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout   Metadata:
    
01-06 11:48:13.572 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     title           : Creep
    
01-06 11:48:13.572 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     album           : Pablo Honey
    
01-06 11:48:13.572 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     track           : 2/13
    
01-06 11:48:13.572 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     disc            : 1/1
    
01-06 11:48:13.572 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     artist          : Radiohead
    
01-06 11:48:13.572 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     genre           : Alternative
    
-06 11:48:13.572 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     publisher       : EMI Music Distribution
    
-06 11:48:13.572 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     album_artist    : Radiohead
    
01-06 11:48:13.572 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     composer        : Colin Greenwood/Ed O'Brien/Jonny Greenwood/Phil Selway/Thom Yorke
    
01-06 11:48:13.572 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     date            : 1993
    
01-06 11:48:13.572 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout   Duration: 00:03:55.91, start: 0.025057, bitrate: 320 kb/s
    
01-06 11:48:13.572 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16p, 320 kb/s
    
01-06 11:48:13.573 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     Metadata:
    
01-06 11:48:13.573 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout       encoder         : LAME3.97 
    
01-06 11:48:13.577 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout [mp3 @ 0x2b403a90] Estimating duration from bitrate, this may be inaccurate
    
01-06 11:48:13.577 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout Input #1, mp3, from '/storage/emulated/0/b.mp3':
    
01-06 11:48:13.577 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout   Metadata:
    
01-06 11:48:13.577 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     title           : This is Love                  
    
01-06 11:48:13.577 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     artist          : Chirs de Burgh                
    
01-06 11:48:13.577 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     album           : This Way Up                   
    
01-06 11:48:13.577 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     date            : 1994
    
01-06 11:48:13.577 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     comment         :                               
    
01-06 11:48:13.577 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout   Duration: 00:03:47.67, start: 0.000000, bitrate: 128 kb/s
    
01-06 11:48:13.577 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout     Stream #1:0: Audio: mp3, 44100 Hz, stereo, s16p, 128 kb/s
    
01-06 11:48:13.579 6119-6472/com.uraroji.garage.android.mp3recvoice D/test: shellout Unknown encoder 'libmp3lame'
    
01-06 11:48:13.580 6119-6473/com.uraroji.garage.android.mp3recvoice D/dalvikvm: threadid=14: exiting
    
01-06 11:48:13.580 6119-6473/com.uraroji.garage.android.mp3recvoice D/dalvikvm: threadid=14: bye!
    
01-06 11:48:13.580 6119-6119/com.uraroji.garage.android.mp3recvoice D/test: processComplete 1
    
01-06 11:48:13.580 6119-6472/com.uraroji.garage.android.mp3recvoice D/dalvikvm: threadid=13: exiting
    
01-06 11:48:13.581 6119-6472/com.uraroji.garage.android.mp3recvoice D/dalvikvm: threadid=13: bye!

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