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• Anomalie #4713 : Sites : logo et Titre+Slogan

  5 avril 2021, par b b

  Hop,

  Mais justement concernant les Logos, serait-ce possible d’y appliquer le même traitement qu’aux autres Logos,
  à savoir le chargement par une URL internet ou serveur, ou depuis la médiathèque, en plus du téléchargement classique depuis l’ordinateur...

  Tu veux parler des documents je suppose ? Ça sera peut-être le cas en 3.4, mais le chantier de bascule des logos en documents est en cours, et la version 3.3 est un entre deux sur ce point. J’assigne donc le ticket à SPIP 3.4.

  Concernant l’ajout d’un champ slogan_site aux sites, je doute car aucune balise html ne porte cette info, et on ne syndique pas que des sites en SPIP, amha cette partie de la demande peut-être oubliée.

• Building ffmpeg on Windows from Chromium - make : *** No rule to make target 'libavcodec\avcodec-57.dll'. Stop

  14 septembre 2016, par Catalin Fratila

  I am trying to compile ffmpeg on a Windows machine, using mingw64 and msys2.

  But when I run : "build_ffmpeg.py win ia32" (same result with x64), I get :

  /c/libchromiumcontent/src/third_party/ffmpeg/chromium/scripts
  
  $ ./build_ffmpeg.py win ia32
  
  install prefix            /usr/local
  
  source path               /c/libchromiumcontent/src/third_party/ffmpeg
  
  C compiler                gcc
  
  C library                 mingw64
  
  ARCH                      x86 (generic)
  
  big-endian                no
  
  runtime cpu detection     yes
  
  yasm                      yes
  
  MMX enabled               yes
  
  MMXEXT enabled            yes
  
  3DNow! enabled            yes
  
  3DNow! extended enabled   yes
  
  SSE enabled               yes
  
  SSSE3 enabled             yes
  
  AESNI enabled             yes
  
  AVX enabled               yes
  
  XOP enabled               yes
  
  FMA3 enabled              yes
  
  FMA4 enabled              yes
  
  i686 features enabled     yes
  
  CMOV is fast              yes
  
  EBX available             yes
  
  EBP available             yes
  
  debug symbols             yes
  
  strip symbols             yes
  
  optimize for size         no
  
  optimizations             yes
  
  static                    yes
  
  shared                    no
  
  postprocessing support    no
  
  new filter support        no
  
  network support           no
  
  threading support         w32threads
  
  safe bitstream reader     yes
  
  SDL support               no
  
  opencl enabled            no
  
  texi2html enabled         no
  
  perl enabled              no
  
  pod2man enabled           no
  
  makeinfo enabled          no
  
  makeinfo supports HTML    no
  
  
  
  Enabled programs:
  
  
  
  External libraries:
  
  
  
  Enabled decoders:
  
  pcm_alaw                  pcm_f32le                 pcm_mulaw                 pcm_s16be                 pcm_s16le                 pcm_s24be                 pcm_s24le                 pcm_s32le                 pcm_u8                    vorbis
  
  
  
  Enabled encoders:
  
  
  
  Enabled hwaccels:
  
  
  
  Enabled parsers:
  
  opus                      vorbis
  
  
  
  Enabled demuxers:
  
  matroska                  ogg                       wav
  
  
  
  Enabled muxers:
  
  
  
  Enabled protocols:
  
  
  
  Enabled filters:
  
  
  
  Enabled bsfs:
  
  
  
  Enabled indevs:
  
  
  
  Enabled outdevs:
  
  
  
  License: LGPL version 2.1 or later
  
  Creating config.mak, config.h, and doc/config.texi...
  
  make: *** No rule to make target 'libavcodec\avcodec-57.dll'.  Stop.
  
  System information:
  
  Host OS       : win
  
  Target OS     : win
  
  Host arch     : x64
  
  Target arch   : ia32
  
  Parallel jobs : 4
  
  
  
  Chromium configure/build:
  
  Running ['sh.exe', 'C:\\libchromiumcontent\\src\\third_party\\ffmpeg\\configure', '--disable-everything', '--disable-all', '--disable-doc', '--disable-htmlpages', '--disable-manpages', '--disable-podpages', '--disable-txtpages', '--disable-static', '--enable-avcodec', '--enable-avformat', '--enable-avutil', '--enable-fft', '--enable-rdft', '--enable-static', '--disable-bzlib', '--disable-error-resilience', '--disable-iconv', '--disable-lzo', '--disable-network', '--disable-schannel', '--disable-sdl', '--disable-symver', '--disable-xlib', '--disable-zlib', '--disable-securetransport', '--disable-d3d11va', '--disable-dxva2', '--disable-vaapi', '--disable-vda', '--disable-vdpau', '--disable-videotoolbox', '--enable-decoder=vorbis', '--enable-decoder=pcm_u8,pcm_s16le,pcm_s24le,pcm_s32le,pcm_f32le', '--enable-decoder=pcm_s16be,pcm_s24be,pcm_mulaw,pcm_alaw', '--enable-demuxer=ogg,matroska,wav', '--enable-parser=opus,vorbis', '--optflags="-O2"', '--enable-decoder=theora,vp8', '--enable-parser=vp3,vp8', '--toolchain=msvc', '--cpu=opteron', '--enable-yasm', '--extra-cflags=-IC:\\libchromiumcontent\\src\\third_party\\ffmpeg\\chromium/include/win', '--target-os=mingw32', '--enable-memalign-hack', '--cc=gcc-sjlj']
  
  Running ['make', '-j4', 'libavcodec\\avcodec-57.dll', 'libavformat\\avformat-57.dll', 'libavutil\\avutil-55.dll']
  
  Traceback (most recent call last):
  
    File "./build_ffmpeg.py", line 631, in <module>
  
      sys.exit(main(sys.argv[1:]))
  
    File "./build_ffmpeg.py", line 596, in main
  
      configure_args)
  
    File "./build_ffmpeg.py", line 588, in do_build_ffmpeg
  
      options.config_only, branding, configure_flags)
  
    File "./build_ffmpeg.py", line 217, in BuildFFmpeg
  
      ['make', '-j%d' % parallel_jobs] + libraries, cwd=config_dir)
  
    File "./build_ffmpeg.py", line 92, in PrintAndCheckCall
  
      subprocess.check_call(argv, *args, **kwargs)
  
    File "C:\Python27\lib\subprocess.py", line 541, in check_call
  
      raise CalledProcessError(retcode, cmd)
  
  subprocess.CalledProcessError: Command '['make', '-j4', 'libavcodec\\avcodec-57.dll', 'libavformat\\avformat-57.dll', 'libavutil\\avutil-55.dll']' returned non-zero exit status 2
  
  </module>

  Has anyone seen this issue before ? Have all the pre-requisites from here : https://trac.ffmpeg.org/wiki/CompilationGuide/MinGW

  Thanks.

• "How can we use Ffmpeg to apply blur, overlay a logo and waveform, and add a border around a video, step by step ? [closed]

  1er février 2024, par itsfaisalkhalid

  We're looking to enhance a video using Ffmpeg by implementing several effects sequentially. First, we aim to apply a blur effect to the entire video. Then, we want to overlay a logo and a waveform onto the blurred video. Finally, we need to add a border around the entire composition. This step-by-step process requires precise commands and careful consideration of parameters to achieve the desired result effectively.

  


  I utilized Ffmpeg commands to sequentially apply blur, overlay the logo and waveform, and add a border to the video. I expected each effect to be applied in the specified order, resulting in a visually enhanced video with all desired elements. However, I encountered challenges in properly configuring the parameters for each effect, leading to unexpected results such as misaligned overlays or improper blur intensity.

  


  @echo off
setlocal enabledelayedexpansion

rem Set paths and directories
set "ffmpeg_path=C:\ffmpeg\bin\ffmpeg.exe"
set "input_dir=_input"
set "output_dir=_output"

rem Ensure input and output directories exist
if not exist "%input_dir%" (
    echo Error: Input directory "%input_dir%" not found.
    exit /b 1
)

if not exist "%output_dir%" (
    mkdir "%output_dir%"
)

rem Loop through input directory
for %%t in ("%input_dir%\*.*") DO (

    rem Process each file with ffmpeg
"%ffmpeg_path%" -y -i "%%t" -i logo.png -filter_complex "\
    [0:v]eq=brightness=0.2:saturation=2.0:contrast=1.2, crop=iw/1.2:ih/1.2, \
    boxblur=1:2 [blurred_bg]; \
    [blurred_bg][1:v]overlay=(main_w-overlay_w)/2:(main_h-overlay_h-10)[bg_with_logo]; \
    [0:a]showwaves=s=1080x100:mode=line:colors=white [waveform]; \
    [bg_with_logo][waveform]overlay=10:H-h-10, \
    format=yuv420p[v]; \
    [v]pad=iw+20:ih+20:x=10:y=10:color=white[final_output]" \
    -map "[final_output]" -map 0:a -c:v h264 -c:a aac -b:a 128k -ar 44100 "%output_dir%\temp.mp4"

    rem Check if output file exists
    if exist "%output_dir%\temp.mp4" (
        rem Calculate new MD5 hash
        certutil -hashfile "%output_dir%\temp.mp4" MD5 > "%output_dir%\temp_md5.txt"

        rem Remove ID3 tag metadata
        "%ffmpeg_path%" -i "%output_dir%\temp.mp4" -map_metadata -1 -c:v copy -c:a copy "%output_dir%\%%~nt.mp4"

        rem Clean up temporary files
        del "%output_dir%\temp.mp4"
        del "%output_dir%\temp_md5.txt"
    ) else (
        echo Error: Failed to create output file for "%%~nt"
    )
)

pause