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Autres articles (55)

  • Keeping control of your media in your hands

    13 avril 2011, par

    The vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
    While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
    MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
    MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)

  • 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 (...)

  • Mise à disposition des fichiers

    14 avril 2011, par

    Par défaut, lors de son initialisation, MediaSPIP ne permet pas aux visiteurs de télécharger les fichiers qu’ils soient originaux ou le résultat de leur transformation ou encodage. Il permet uniquement de les visualiser.
    Cependant, il est possible et facile d’autoriser les visiteurs à avoir accès à ces documents et ce sous différentes formes.
    Tout cela se passe dans la page de configuration du squelette. Il vous faut aller dans l’espace d’administration du canal, et choisir dans la navigation (...)

Sur d’autres sites (11014)

  • Evolution #4419 (Nouveau) : Mettre à jour la lib jquery.flot

    26 décembre 2019, par Franck D

    Hello :)
    https://zone.spip.net/trac/spip-zone/browser/spip-zone/_core_/plugins/statistiques/javascript

    Pendant des années, la lib ne bougeait plus, la 0.8.3 date du 21/04/2014
    En 2019, elle est revenue à la vie, bref maintenant, elle est en 4.1.1 https://github.com/flot/flot
    Le changelog est là : https://github.com/flot/flot/blob/master/CHANGELOG.md

    Il me semble que excanvas.js ne sert plus en 4.1.1
    Franck

  • why FFMPEG is not convert some audio file in 64k in android ?

    18 décembre 2019, par tailor

    There are many question regarding ffmpeg and might be this should be duplicate.
    I tried to convert any mp3 file in to lower bitrate 64k.
    It gets successfully but some mp3 files are not converted and ffmpeg direct call to onFinish command.

    Here is my command line :
    according to this

    -i /sdcard/vk2/in.mp3 -ar 44100 -ac 2 -ab 64k -f mp3 /sdcard/videokit/out.mp3";

    Here is my logcate
    on successfully

    2019-12-18 04:18:26.741 7733-7733/myapp I/audioCompression: start
    
2019-12-18 04:18:27.104 7733-7733/myapp I/audioCompression: in_progress
    
2019-12-18 04:18:27.104 7733-7733/myapp I/audioCompression: in_progress
    
2019-12-18 04:18:42.165 7733-7733/myapp I/audioCompression: success
    
2019-12-18 04:18:42.165 7733-7733/myapp I/audioCompression: finish

    otherwise

    2019-12-18 04:18:26.741 7733-7733/myapp I/audioCompression: start
    
2019-12-18 04:18:27.104 7733-7733/myapp I/audioCompression: in_progress
    
2019-12-18 04:18:27.104 7733-7733/myapp I/audioCompression: in_progress
    
2019-12-18 04:18:42.165 7733-7733/myapp I/audioCompression: finish

    report

           2019-12-18 05:34:45.965 10635-10635/myapp V/audioCompression: start command : ffmpeg
    
2019-12-18 05:34:46.124 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg ffmpeg version n3.0.1 Copyright (c) 2000-2016 the FFmpeg developers
    
2019-12-18 05:34:46.124 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg   built with gcc 4.8 (GCC)
    
2019-12-18 05:34:46.124 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg   configuration: --target-os=linux --cross-prefix=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-libmp3lame --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/vagrant/SourceCode/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/vagrant/SourceCode/ffmpeg-android/build/armeabi-v7a --extra-cflags='-I/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all' --extra-ldflags='-L/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
    
2019-12-18 05:34:46.124 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg   libavutil      55. 17.103 / 55. 17.103
    
2019-12-18 05:34:46.124 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg   libavcodec     57. 24.102 / 57. 24.102
    
2019-12-18 05:34:46.124 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg   libavformat    57. 25.100 / 57. 25.100
    
2019-12-18 05:34:46.124 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg   libavdevice    57.  0.101 / 57.  0.101
    
2019-12-18 05:34:46.124 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg   libavfilter     6. 31.100 /  6. 31.100
    
2019-12-18 05:34:46.125 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg   libswscale      4.  0.100 /  4.  0.100
    
2019-12-18 05:34:46.125 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg   libswresample   2.  0.101 /  2.  0.101
    
2019-12-18 05:34:46.125 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg   libpostproc    54.  0.100 / 54.  0.100
    
2019-12-18 05:34:46.125 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg [mp3 @ 0xf6519000] Skipping 0 bytes of junk at 0.
    
2019-12-18 05:34:46.125 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg [mp3 @ 0xf6519000] Estimating duration from bitrate, this may be inaccurate
    
2019-12-18 05:34:46.125 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg Input #0, mp3, from '/storage/emulated/0/Download/HumnavaMereSongsMp3ioRingtone.mp3':
    
2019-12-18 05:34:46.125 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg   Duration: 00:00:24.19, start: 0.000000, bitrate: 320 kb/s
    
2019-12-18 05:34:46.125 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg     Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16p, 320 kb/s
    
2019-12-18 05:34:46.126 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg Output #0, mp3, to '/storage/emulated/0/VideoCompressor/Temp/ok.mp3':
    
2019-12-18 05:34:46.126 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg   Metadata:
    
2019-12-18 05:34:46.126 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg     TSSE            : Lavf57.25.100
    
2019-12-18 05:34:46.126 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg     Stream #0:0: Audio: mp3 (libmp3lame), 44100 Hz, stereo, s16p, 64 kb/s
    
2019-12-18 05:34:46.126 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg     Metadata:
    
2019-12-18 05:34:46.126 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg       encoder         : Lavc57.24.102 libmp3lame
    
2019-12-18 05:34:46.126 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg Stream mapping:
    
2019-12-18 05:34:46.127 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg   Stream #0:0 -> #0:0 (mp3 (native) -> mp3 (libmp3lame))
    
2019-12-18 05:34:46.127 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg Press [q] to stop, [?] for help
    
2019-12-18 05:34:46.577 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=       6kB time=00:00:00.73 bitrate=  68.9kbits/s speed=1.46x    
    
2019-12-18 05:34:47.082 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=      13kB time=00:00:01.56 bitrate=  66.3kbits/s speed=1.55x    
    
2019-12-18 05:34:47.583 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=      19kB time=00:00:02.37 bitrate=  65.5kbits/s speed=1.57x    
    
2019-12-18 05:34:48.094 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=      26kB time=00:00:03.21 bitrate=  65.1kbits/s speed=1.59x    
    
2019-12-18 05:34:48.607 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=      32kB time=00:00:04.05 bitrate=  64.9kbits/s speed= 1.6x    
    
2019-12-18 05:34:49.110 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=      38kB time=00:00:04.85 bitrate=  64.7kbits/s speed= 1.6x    
    
2019-12-18 05:34:49.616 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=      45kB time=00:00:05.66 bitrate=  64.6kbits/s speed= 1.6x    
    
2019-12-18 05:34:50.117 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=      51kB time=00:00:06.47 bitrate=  64.6kbits/s speed= 1.6x    
    
2019-12-18 05:34:50.620 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=      57kB time=00:00:07.28 bitrate=  64.5kbits/s speed= 1.6x    
    
2019-12-18 05:34:51.128 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=      64kB time=00:00:08.12 bitrate=  64.4kbits/s speed=1.61x    
    
2019-12-18 05:34:51.635 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=      70kB time=00:00:08.93 bitrate=  64.4kbits/s speed=1.61x    
    
2019-12-18 05:34:52.143 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=      77kB time=00:00:09.77 bitrate=  64.4kbits/s speed=1.61x    
    
2019-12-18 05:34:52.651 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=      83kB time=00:00:10.60 bitrate=  64.3kbits/s speed=1.61x    
    
2019-12-18 05:34:53.156 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=      90kB time=00:00:11.41 bitrate=  64.3kbits/s speed=1.61x    
    
2019-12-18 05:34:53.659 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=      96kB time=00:00:12.22 bitrate=  64.3kbits/s speed=1.61x    
    
2019-12-18 05:34:54.159 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=     102kB time=00:00:13.03 bitrate=  64.3kbits/s speed=1.61x    
    
2019-12-18 05:34:54.676 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=     109kB time=00:00:13.87 bitrate=  64.3kbits/s speed=1.61x    
    
2019-12-18 05:34:55.177 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=     115kB time=00:00:14.68 bitrate=  64.2kbits/s speed=1.61x    
    
2019-12-18 05:34:55.685 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=     122kB time=00:00:15.51 bitrate=  64.2kbits/s speed=1.61x    
    
2019-12-18 05:34:56.208 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=     128kB time=00:00:16.35 bitrate=  64.2kbits/s speed=1.61x    
    
2019-12-18 05:34:56.701 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=     135kB time=00:00:17.16 bitrate=  64.2kbits/s speed=1.61x    
    
2019-12-18 05:34:57.203 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=     141kB time=00:00:17.97 bitrate=  64.2kbits/s speed=1.61x    
    
2019-12-18 05:34:57.717 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=     147kB time=00:00:18.80 bitrate=  64.2kbits/s speed=1.61x    
    
2019-12-18 05:34:58.233 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=     154kB time=00:00:19.64 bitrate=  64.2kbits/s speed=1.62x    
    
2019-12-18 05:34:58.736 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=     160kB time=00:00:20.45 bitrate=  64.2kbits/s speed=1.61x    
    
2019-12-18 05:34:59.238 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=     167kB time=00:00:21.26 bitrate=  64.2kbits/s speed=1.61x    
    
2019-12-18 05:34:59.743 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=     173kB time=00:00:22.07 bitrate=  64.2kbits/s speed=1.61x    
    
2019-12-18 05:35:00.258 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=     179kB time=00:00:22.91 bitrate=  64.2kbits/s speed=1.61x    
    
2019-12-18 05:35:00.770 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=     186kB time=00:00:23.72 bitrate=  64.2kbits/s speed=1.61x    
    
2019-12-18 05:35:01.017 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg size=     189kB time=00:00:24.19 bitrate=  64.1kbits/s speed=1.62x    
    
2019-12-18 05:35:01.017 10635-10635/myapp V/audioCompression: in_progress command : ffmpeg video:0kB audio:189kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.130598%
    
2019-12-18 05:35:01.029 10635-10635/myapp V/audioCompression: success command : ffmpeg ffmpeg version n3.0.1 Copyright (c) 2000-2016 the FFmpeg developers
    
      built with gcc 4.8 (GCC)
    
      configuration: --target-os=linux --cross-prefix=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-libmp3lame --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/vagrant/SourceCode/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/vagrant/SourceCode/ffmpeg-android/build/armeabi-v7a --extra-cflags='-I/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all' --extra-ldflags='-L/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
    
      libavutil      55. 17.103 / 55. 17.103
    
      libavcodec     57. 24.102 / 57. 24.102
    
      libavformat    57. 25.100 / 57. 25.100
    
      libavdevice    57.  0.101 / 57.  0.101
    
      libavfilter     6. 31.100 /  6. 31.100
    
      libswscale      4.  0.100 /  4.  0.100
    
      libswresample   2.  0.101 /  2.  0.101
    
      libpostproc    54.  0.100 / 54.  0.100
    
    [mp3 @ 0xf6519000] Skipping 0 bytes of junk at 0.
    
    [mp3 @ 0xf6519000] Estimating duration from bitrate, this may be inaccurate
    
    Input #0, mp3, from '/storage/emulated/0/Download/HumnavaMereSongsMp3ioRingtone.mp3':
    
      Duration: 00:00:24.19, start: 0.000000, bitrate: 320 kb/s
    
        Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16p, 320 kb/s
    
    Output #0, mp3, to '/storage/emulated/0/VideoCompressor/Temp/ok.mp3':
    
      Metadata:
    
        TSSE            : Lavf57.25.100
    
        Stream #0:0: Audio: mp3 (libmp3lame), 44100 Hz, stereo, s16p, 64 kb/s
    
        Metadata:
    
          encoder         : Lavc57.24.102 libmp3lame
    
    Stream mapping:
    
      Stream #0:0 -> #0:0 (mp3 (native) -> mp3 (libmp3lame))
    
    Press [q] to stop, [?] for help
    
    size=       6kB time=00:00:00.73 bitrate=  68.9kbits/s speed=1.46x    
    
    size=      13kB time=00:00:01.56 bitrate=  66.3kbits/s speed=1.55x    
    
    size=      19kB time=00:00:02.37 bitrate=  65.5kbits/s speed=1.57x    
    
    size=      26kB time=00:00:03.21 bitrate=  65.1kbits/s speed=1.59x    
    
    size=      32kB time=00:00:04.05 bitrate=  64.9kbits/s speed= 1.6x    
    
    size=      38kB time=00:00:04.85 bitrate=  64.7kbits/s speed= 1.6x    
    
    size=      45kB time=00:00:05.66 bitrate=  64.6kbits/s speed= 1.6x    
    
    size=      51kB time=00:00:06.47 bitrate=  64.6kbits/s speed= 1.6x    
    
    size=      57kB time=00:00:07.28 bitrate=  64.5kbits/s speed= 1.6x    
    
    size=      64kB time=00:00:08.12 bitrate=  64.4kbits/s speed=1.61x    
    
    size=      70kB time=00:00:08.93 bitrate=  64.4kbits/s speed=1.61x    
    
    size=      77kB time=00:00:09.77 bitrate=  64.4kbits/s speed=1.61x    
    
    size=      83kB time=00:00:10.60 bitrate=  64.3kbits/s speed=1.61x    
    
    size=      90kB time=00:00:11.41 bitrate=  64.3kbits/s speed=1.61x    
    
    size=      96kB time=00:00:12.22 bitrate=  64.3kbits/s speed=1.61x    
    
    size=     102kB time=00:00:13.03 bitrate=  64.3kbits/s speed=1.61x    
    
    size=     109kB time=00:00:13.87 bitrate=  64.3kbits/s speed=1.61x    
    
    size=     115kB time=00:00:14.68 bitrate=  64.2kbits/s speed=1.61x    
    
    size=     122kB time=00:00:15.51 bitrate=  64.2kbits/s speed=1.61x    
    
    size=     128kB time=00:00:16.35 bitrate=  64.2kbits/s speed=1.61x    
    
    size=     135kB time=00:00:17.16 bitrate=  64.2kbits/s speed=1.61x    
    
    size=     141kB time=00:00:17.97 bitrate=  64.2kbits/s speed=1.61x    
    
    size=     147kB time=00:00:18.80 bitrate=  64.2kbits/s speed=1.61x    
    
    size=     154kB time=00:00:19.64 bitrate=  64.2kbits/s speed=1.62x    
    
    size=     160kB time=00:00:20.45 bitrate=  64.2kbits/s speed=1.61x    
    
    size=     167kB time=00:00:21.26 bitrate=  64.2kbits/s speed=1.61x  
    
2019-12-18 05:35:01.029 10635-10635/myapp V/audioCompression: Finished command : ffmpeg

  • FFmpeg error : Unable to find a suitable output format for ''

    11 juillet 2020, par Benjamin Basmaci

    I'm new to ffmpeg as well as Android programming. I'm trying to load a video from a URL and crop it with ffmpeg. I want to save that video to a file. This is the command I found online :

    


    "-i " + videoUrl + "-filter:v crop=240:120:100:100 -c:a copy test.mp4"


    


    I have tried it and got the error Unable to find a suitable output format for ''

    


    So I tried to narrow the possible cause down and tried these commands as well :

    


    "-i " + videoUrl + " -c:v copy -c:a copy test.mp4"
"-i " + videoUrl + " -c:v copy test.mp4"
"-i " + videoUrl + " -c:a copy test.mp4"
"-i " + videoUrl + " test.mp4"


    


    So with that last one I basically boiled it down to the bare minimum of what a comment needs, as far as I know. But still, same result.

    


    All of them give me the same error. Here is the full output I got via FFmpeg.getLatestOutput()

    


    ffmpeg version v4.2-dev-480 Copyright (c) 2000-2018 the FFmpeg developers
      built with Android (4751641 based on r328903) clang version 7.0.2 (https://android.googlesource.com/toolchain/clang 003100370607242ddd5815e4a043907ea9004281) (https://android.googlesource.com/toolchain/llvm 1d739ffb0366421d383e04ff80ec2ee591315116) (based on LLVM 7.0.2svn)
      configuration: --cross-prefix=i686-linux-android- 
                     --sysroot=/files/android-sdk/ndk-bundle/toolchains/mobile-ffmpeg-api-24-i686/sysroot
                     --prefix=/home/taner/Projects/mobile-ffmpeg/prebuilt/android-x86/ffmpeg 
                     --pkg-config=/usr/bin/pkg-config --enable-version3 --arch=i686 --cpu=i686 
                     --target-os=android --disable-neon --disable-asm --disable-inline-asm 
                     --enable-cross-compile --enable-pic --enable-jni --enable-lto 
                     --enable-optimizations --enable-swscale --enable-shared 
                     --disable-v4l2-m2m --disable-outdev=v4l2 
                     --disable-outdev=fbdev --disable-indev=v4l2 --disable-indev=fbdev 
                     --enable-small --disable-openssl --disable-xmm-clobber-test 
                     --disable-debug --disable-neon-clobber-test --disable-programs 
                     --disable-postproc --disable-doc --disable-htmlpages 
                     --disable-manpages --disable-podpages --disable-txtpages 
                     --disable-static --disable-sndio --disable-schannel 
                     --disable-securetransport --disable-xlib --disable-cuda 
                     --disable-cuvid --disable-nvenc --disable-vaapi --disable-vdpau 
                     --disable-videotoolbox --disable-audiotoolbox --disable-appkit 
                     --disable-alsa --disable-cuda --disable-cuvid --disable-nvenc 
                     --disable-vaapi --disable-vdpau --enable-libfontconfig 
                     --enable-libfreetype --enable-libfribidi --enable-gmp --enable-gnutls 
                     --enable-libmp3lame --enable-libass --enable-iconv --enable-libtheora 
                     --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libxml2 
                     --enable-libopencore-amrnb --enable-libopencore-amrwb 
                     --enable-libshine --enable-libspeex --enable-libwavpack 
                     --enable-libkvazaar --enable-libilbc --enable-libopus 
                     --enable-libsnappy --enable-libsoxr --enable-libaom --enable-libtwolame 
                     --disable-sdl2 --enable-zlib --enable-mediacodec
      libavutil      56. 25.100 / 56. 25.100
      libavcodec     58. 42.104 / 58. 42.104
      libavformat    58. 25.100 / 58. 25.100
      libavdevice    58.  6.101 / 58.  6.101
      libavfilter     7. 46.101 /  7. 46.101
      libswscale      5.  4.100 /  5.  4.100
      libswresample   3.  4.100 /  3.  4.100
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'https://MyVideoUrl.com/example':
      Metadata:
        major_brand     : mp42
        minor_version   : 512
        compatible_brands: isomiso2avc1mp41
        creation_time   : 2019-01-28T13:44:03.000000Z
        encoder         : HandBrake 1.2.0 2018122200
      Duration: 00:00:14.33, start: 0.000000, bitrate: 4478 kb/s
        Stream #0:0(und): Video: h264 (avc1 / 0x31637661), yuv420p(tv, bt709), 1520x2700 [SAR 6075:4864 DAR 45:64], 4475 kb/s, 30.07 fps, 30 tbr, 90k tbn, 180k tbc (default)
        Metadata:
          creation_time   : 2019-01-28T13:44:03.000000Z
          handler_name    : VideoHandler
    [NULL @ 0x91833c00] Unable to find a suitable output format for ''
    : Invalid argument
    .


    


    Why does ffmpeg assume that I have given it no output format and what I need to do to make this work ?

    


    I'm using implementation 'com.arthenica:mobile-ffmpeg-full:4.2'.

    


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