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  • 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

  • Contribute to translation

    13 avril 2011

    You can help us to improve the language used in the software interface to make MediaSPIP more accessible and user-friendly. You can also translate the interface into any language that allows it to spread to new linguistic communities.
    To do this, we use the translation interface of SPIP where the all the language modules of MediaSPIP are available. Just subscribe to the mailing list and request further informantion on translation.
    MediaSPIP is currently available in French and English (...)

  • La sauvegarde automatique de canaux SPIP

    1er avril 2010, par

    Dans le cadre de la mise en place d’une plateforme ouverte, il est important pour les hébergeurs de pouvoir disposer de sauvegardes assez régulières pour parer à tout problème éventuel.
    Pour réaliser cette tâche on se base sur deux plugins SPIP : Saveauto qui permet une sauvegarde régulière de la base de donnée sous la forme d’un dump mysql (utilisable dans phpmyadmin) mes_fichiers_2 qui permet de réaliser une archive au format zip des données importantes du site (les documents, les éléments (...)

Sur d’autres sites (7185)

  • FFmpeg - sharpening the high pass filter

    11 août 2024, par kubinka0505

    I'm writing the command that is resampling the audio file and adding the high-pass filter to it.

    


    In the software that I'm using, the high pass filter is very sharp - the problem is that I don't know how to sharpify the filter in FFmpeg.

    


    I've experimented with some options but none succeded. How can I achieve that ?

    


    ffmpeg -i "Audio.wav" -ar 44100 -af highpass=f=5000 "Audio_HP.wav" -y


    


    





    


    


    


    


    



    


    


    


    


    What FFmpeg does What I want

    


  • How to preserve data stream with none codec from a video while compressing it using ffmpeg ?

    5 octobre 2022, par rj_7

    I'm using the following command to compress a video of size 1.5GB to 80 MB.

    


    ffmpeg -i input.mp4 -copy_unknown -map_metadata 0 -c copy -c:v h264 -b:v 5000k -c:a aac -b:a 48k -map 0:v -map 0:a -map 0:d output.mp4


    


    The problem I'm facing is - it doesn't copy the data stream to the output video even when I explicitly mention it via mapping. If I don't use the -map options for each kind of stream, it just process the video and audio as expected. But I also want the data stream in my output video.

    


    The logs for the above command are -

    


    ffmpeg version 4.2.2 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 9.2.1 (GCC) 20200122
  configuration: --disable-static --enable-shared --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --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-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0000022581bc0f80] stream 0, timescale not set
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42mp41isomiso2
    creation_time   : 2021-09-16T16:10:08.000000Z
    artist          : AnafiThermal-H006560
    title           : Thu, 16 Sep 2021 09:10:08 -0700
    date            : 2021-09-16T09:10:08-07:00
    make            : Parrot
    model           : AnafiThermal
    encoder         : PI040445AC0H006560
    location        : +33.67128695-117.61610583+415.50/
    com.apple.quicktime.artist: AnafiThermal-H006560
    com.apple.quicktime.title: Thu, 16 Sep 2021 09:10:08 -0700
    com.apple.quicktime.creationdate: 2021-09-16T09:10:08-07:00
    com.apple.quicktime.make: Parrot
    com.apple.quicktime.model: AnafiThermal
    com.apple.quicktime.software: 1.8.0
    com.apple.quicktime.location.ISO6709: +33.67128695-117.61610583+415.50/
    com.parrot.model.id: 0919
    com.parrot.serial: PI040445AC0H006560
    com.parrot.build.id: anafi-thermal-1.8.0
    com.parrot.run.date: 2021-09-16T09:04:29-07:00
    com.parrot.run.id: 0B3D536B2F1A425EFA8978850B4C2C71
    com.parrot.boot.id: 992D5FBA74A04BA5077C3FCA3BE9C707
    com.parrot.video.mode: Standard
  Duration: 00:02:05.49, start: 0.000000, bitrate: 100391 kb/s
    Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709), 3840x2160 [SAR 1:1 DAR 16:9], 99998 kb/s, 29.98 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
    Metadata:
      creation_time   : 2021-09-16T16:10:08.000000Z
      handler_name    : DefaultVideo
    Stream #0:1(eng): Data: none (mett / 0x7474656D), 27 kb/s (default)
    Metadata:
      creation_time   : 2021-09-16T16:10:08.000000Z
      handler_name    : ParrotVideoMetadata
    Stream #0:2(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 384 kb/s (default)
    Metadata:
      creation_time   : 2021-09-16T16:10:08.000000Z
      handler_name    : DefaultAudio
    Stream #0:3: Video: mjpeg (Baseline), yuvj420p(pc, bt470bg/unknown/unknown), 320x180 [SAR 1:1 DAR 16:9], 90k tbr, 90k tbn, 90k tbc (attached pic)
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  Stream #0:3 -> #0:1 (mjpeg (native) -> h264 (libx264))
  Stream #0:2 -> #0:2 (aac (native) -> aac (native))
  Stream #0:1 -> #0:3 (copy)
Press [q] to stop, [?] for help
[mp4 @ 0000022581c5e280] Frame rate very high for a muxer not efficiently supporting it.
Please consider specifying a lower framerate, a different muxer or -vsync 2
[libx264 @ 0000022582975a00] using SAR=1/1
[libx264 @ 0000022582975a00] MB rate (21600000) > level limit (16711680)
[libx264 @ 0000022582975a00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0000022582975a00] profile High, level 6.2, 4:2:0, 8-bit
[libx264 @ 0000022582975a00] 264 - core 159 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - 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=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=5000 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[libx264 @ 000002258241c980] using SAR=1/1
[libx264 @ 000002258241c980] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 000002258241c980] profile High, level 5.1, 4:2:0, 8-bit
[libx264 @ 000002258241c980] 264 - core 159 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - 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=12 lookahead_threads=2 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=abr mbtree=1 bitrate=5000 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[mp4 @ 0000022581c5e280] Could not find tag for codec h264 in stream #1, codec not currently supported in container
Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument
Error initializing output stream 0:0 --
[libx264 @ 000002258241c980] final ratefactor: 25.51
[libx264 @ 0000022582975a00] final ratefactor: 73.59
[aac @ 00000225829747c0] Qavg: 63100.754
[aac @ 00000225829747c0] 2 frames left in the queue on closing
Conversion failed!


    


    I've also tried mapping the streams via number, that doesn't work either (shows same logs as above).

    


    ffmpeg -i input.mp4 -copy_unknown -map_metadata 0 -c copy -c:v h264 -b:v 5000k -c:a aac -b:a 48k -map 0:0 -map 0:1 -map 0:2 output.mp4


    


    So, essentially my question is - How to preserve data stream (packed) with none codec from a video while compressing it using ffmpeg ?

    


  • I want to record my computer screen and stream it to other computer browser over same network

    25 décembre 2022, par Abdullah Qasim

    I am using Flask for this purpose. I wanted to create a rtmp server that stream the screen in web browser.

    


    My Python Code is :

    


    import os
import subprocess

from flask import Flask, render_template

app = Flask(__name__)

@app.route('/')
def index():
    return render_template('index.html')

if __name__ == '__main__':
    # Start the RTMP server in a separate process
    subprocess.Popen(['ffmpeg', '-f', 'gdigrab', '-framerate', '25', '-probesize', '100000000000', '-i', 'desktop', '-vcodec', 'libx264', '-preset', 'ultrafast', '-tune', 'zerolatency', '-f', 'flv', 'rtmp://localhost:5000/live/stream_name'])

    # Start the Flask app
    app.run()



    


    My HTML code is :

    


    &#xA;  &#xA;    &#xA;    &#xA;    <code class="echappe-js">&lt;script src=&quot;https://unpkg.com/video.js/dist/video.js&quot;&gt;&lt;/script&gt;&#xA;  &#xA;  &#xA;    &#xA;    &lt;script&gt;&amp;#xA;      var player = videojs(&amp;#x27;my-video&amp;#x27;);&amp;#xA;    &lt;/script&gt;&#xA;  &#xA;&#xA;&#xA;

    &#xA;

    When I run the flask app it produces an error :

    &#xA;

    * Serving Flask app &#x27;server&#x27; (lazy loading)&#xA; * Environment: production&#xA;   WARNING: This is a development server. Do not use it in a production deployment.&#xA;   Use a production WSGI server instead.&#xA; * Debug mode: off&#xA;ffmpeg version N-109449-gb92260f70a-20221223 Copyright (c) 2000-2022 the FFmpeg developers&#xA;  built with gcc 12.2.0 (crosstool-NG 1.25.0.90_cf9beb1)&#xA;  configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --disable-w32threads --enable-pthreads --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enable-lzma --enable-fontconfig --enable-libvorbis --enable-opencl --disable-libpulse --enable-libvmaf --disable-libxcb --disable-xlib --enable-amf --enable-libaom --enable-libaribb24 --enable-avisynth --enable-chromaprint --enable-libdav1d --enable-libdavs2 --disable-libfdk-aac --enable-ffnvcodec --enable-cuda-llvm --enable-frei0r --enable-libgme --enable-libkvazaar --enable-libass --enable-libbluray --enable-libjxl --enable-libmp3lame --enable-libopus --enable-librist --enable-libssh --enable-libtheora --enable-libvpx --enable-libwebp --enable-lv2 --disable-libmfx --enable-libvpl --enable-openal --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --disable-libdrm --disable-vaapi --enable-libvidstab --enable-vulkan --enable-libshaderc --enable-libplacebo --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --enable-libzvbi --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-ldflags=-pthread --extra-ldexeflags= --extra-libs=-lgomp --extra-version=20221223&#xA;  libavutil      57. 43.100 / 57. 43.100&#xA;  libavcodec     59. 55.103 / 59. 55.103&#xA;  libavformat    59. 34.102 / 59. 34.102&#xA;  libavdevice    59.  8.101 / 59.  8.101&#xA;  libavfilter     8. 53.100 /  8. 53.100&#xA;  libswscale      6.  8.112 /  6.  8.112&#xA;  libswresample   4.  9.100 /  4.  9.100&#xA;  libpostproc    56.  7.100 / 56.  7.100&#xA; * Running on http://127.0.0.1:5000/ (Press CTRL&#x2B;C to quit)&#xA;[gdigrab @ 00000134692d9cc0] Capturing whole desktop as 1280x1024x32 at (0,0)&#xA;Input #0, gdigrab, from &#x27;desktop&#x27;:&#xA;  Duration: N/A, start: 1671986678.012939, bitrate: 1048586 kb/s&#xA;  Stream #0:0: Video: bmp, bgra, 1280x1024, 1048586 kb/s, 25 fps, 25.08 tbr, 1000k tbn&#xA;127.0.0.1 - - [25/Dec/2022 21:44:39] code 400, message Bad request version (&#x27;&#xFB;\x9be&#xF9;S&#xD8;H&#xE3;Eie&#xD0;&#xD7;kbz\x84&#xE3;^\x9d&#xDA;&#xBD;\x8bC&#xF0;&#xFA;&#xDA;&#xEE;E\x8c&#xDF;Y&#xEB;&#xD7;s\x92.&#x27;)&#xA;127.0.0.1 - - [25/Dec/2022 21:44:39] "♥ |☻&#xF7;xU▲&#xCE;&#xAB;▲6/&#xC5;p&#xB2;f&#xD4;☻ a↑&#xA2;.6&#xD5;&#xFC;&#x2B;c)&#xC2;.&#xE7;&#xC7;&#xC9;&#xB0;&#xB5;&#xB3;E&#xDF;&#xA8;9&#xEA;;&#xC8;y ►hBZ&#xA1;↨L&#xB5;rX&#xCF;&#xEB;&#xE2;M&#xA4;.&#xC4;&#xFF;{@o↑&#xC9;[&#xFD;&#xD0;N&#xE4;o2&#xB6;&#xA4;{&#xF6;&#xB0;RT&#xE2;Z&#xE9;&#xA9;&#xA8;&#xB4;&#xC5;Ion&#xD7;&#xC6;&#xB6;&#xBC;&#xC8;Ai&#xE6;>7/&#xFE;↑m&#xA8;Q8b&#xC5;&#xAF;&#xDE;&#xB5;&#xA1;!w&#xE2;&#xD9;&#xE2;&#xC4;t&#xB1;&#xF5;&#xA7;&#xF0;&#xB2; &#xAE;&#xA;      &#xB7;&#xD7;&#xAB;2&#xF9;&#xF0;T&#xAB;{                   &#xFD;?&#xF2;&#xB8;&#xF6;$&#xAC;p&#xF2;p&#xF3;w4&#xEA;&#xF1;Of&#xAC;=d&#xE2;2♣D&#xA4;B                            &#xA4;↓▲&#xF4;m&lt;&#xB7;-/"C&#xD1;u*A&amp;2&#xD6;j u&#xF5;&#xD3;☻&#xF4;\&#xDF;&#x2B;&#xC5;&#xA7;&#xAB;&#xF8;↑1☺&#xCE;&#xA6;&#xFA;&#xEC;\y&#xAA;~&#xC7;↑▲&#xA4;Y&#xED;n&#xA;e&#xEE;&#xD4;ioP&#xFE;♣&#xFC; M&#xC3;&#xAD;▲^&#xF4;&#xFC;d&#xD5;{∟&#xB6;&#xB6;jE▼j♦1V&#xD2;YW&#xD7;▼&#xA9;&#xC0;&#xF1;_K|&#xF7;&#xB6;&#xC3;}&#xA6;  ↑a↔;☻&#xFF;|&#xC9;@8u7&#xD3;8.Ak&#xD5;uwM&#xF9;&#xCA;&#xF7;H5!P&#xCE;&#xD0;&#xDB;&#xB4;▼&#xC3;d&#xE1;~5i&#xE3;&#xA;▬e&#xA;&#xFB;&#xF9;S&#xD8;H&#xE3;Eie&#xD0;&#xD7;kbz&#xA;              &#xE3;^C&#xF0;&#xFA;&#xDA;&#xEE;E&#xDF;Y&#xEB;&#xD7;s." 400 -&#xA;[rtmp @ 000001346ae35180] Cannot read RTMP handshake response&#xA;rtmp://localhost:5000/live/stream_name: End of file&#xA;

    &#xA;

    I have searched on internet to fix this error but did not got any help.

    &#xA;

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