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• FFmpeg Drawtext - Fontconfig error : Cannot load default config file : No such file : (null)

  29 mars 2023, par James

  I get the message : Fontconfig error : Cannot load default config file : No such file : (null).
No output is created.

  


  I have installed FFmpeg full version and written this test script to add text onto an image which I drag and drop onto the BAT file.

  


  I searched this database for solutions and found none. The script should produce an output file test.png, The image should have red text on it which reads Hello.

  


  I tried to escape the path to the Font both ways without success :

  


  `set "FONT='c\:\\windows\\fonts\\arial.ttf'" :: Font


  


  `

  


  .. and

  


  `set "FONT='c\:\/windows\/fonts\/arial.ttf'" :: Font`


  


  My full script :

  


  `set "FONT='c\:\/windows\/fonts\/arial.ttf'" :: Font
set "TEXT=Hello" :: Text (no space characters allowed, see next example)
set "COLOR=red" :: Text color
set "SIZE=20" :: Font size
set "POS_X=(w-tw)/2" :: X position of text, use (w-tw)/2 for centering
set "POS_Y=(h-th)/2" :: Y position of text, use (h-th)/2 for centering


ffmpeg -i %1 -vf     drawtext='fontfile=%FONT%:text=%TEXT%:fontcolor=%COLOR%:fontsize=%SIZE%:x=%POS_X%:y=%POS_Y%' -  frames 1 -y test.png


pause`


  


  The complete result :
 C :\Users\canjm\Desktop\Image Correction 360\Archive
Testing\Utilities\Align Photo>set
  
"FONT='c :/windows/fonts/arial.ttf'" : : Font

  


  C:\Users\canjm\Desktop\Image Correction 360\Archive Testing\Utilities\Align Photo>set  "TEXT=Hello" :: Text (no space characters allowed, see next example)

C:\Users\canjm\Desktop\Image Correction 360\Archive Testing\Utilities\Align Photo>set "COLOR=red" :: Text color
C:\Users\canjm\Desktop\Image Correction 360\Archive Testing\Utilities\Align Photo>set "SIZE=20" :: Font size
C:\Users\canjm\Desktop\Image Correction 360\Archive Testing\Utilities\Align Photo>set "POS_X=(w-tw)/2" :: X position of text, use (w-tw)/2 for centering

C:\Users\canjm\Desktop\Image Correction 360\Archive Testing\Utilities\Align Photo>set "POS_Y=(h-th)/2" :: Y position of text, use (h-th)/2 for centering

C:\Users\canjm\Desktop\Image Correction 360\Archive Testing\Utilities\Align Photo>ffmpeg -i "C:\Users\canjm\Desktop\Image Correction 360\Archive Testing\Utilities\Align Photo\Eqr_360_9999.JPG" -vf drawtext='fontfile='c\:\/windows\/fonts\/arial.ttf':text=Hello:fontcolor=red:fontsize=20:x=(w-tw)/2:y=(h-th)/2' -frames 1 -y test.png


  


  ffmpeg version 2023-03-27-git-f7abe92bd7-full_build-
www.gyan.dev Copyright (c) 2000-2023 the FFmpeg developers
built with gcc 12.2.0 (Rev10, Built by MSYS2 project)
configuration : —enable-gpl —enable-version3 —enable-static
—disable-w32threads —disable-autodetect —enable-
fontconfig —enable-iconv —enable-gnutls —enable-libxml2 —
enable-gmp —enable-bzlib —enable-lzma —enable-libsnappy —
enable-zlib —enable-librist —enable-libsrt —enable-libssh
—enable-libzmq —enable-avisynth —enable-libbluray —
enable-libcaca —enable-sdl2 —enable-libaribb24 —enable-
libdav1d —enable-libdavs2 —enable-libuavs3d —enable-
libzvbi —enable-librav1e —enable-libsvtav1 —enable-libwebp
—enable-libx264 —enable-libx265 —enable-libxavs2 —enable-
libxvid —enable-libaom —enable-libjxl —enable-libopenjpeg
—enable-libvpx —enable-mediafoundation —enable-libass —
enable-frei0r —enable-libfreetype —enable-libfribidi —
enable-liblensfun —enable-libvidstab —enable-libvmaf —
enable-libzimg —enable-amf —enable-cuda-llvm —enable-cuvid
—enable-ffnvcodec —enable- nvdec —enable-nvenc —enable-
d3d11va —enable-dxva2 —enable-libvpl —enable-libshaderc —
enable-vulkan —enable-libplacebo - -enable-opencl —enable-
libcdio —enable-libgme —enable-libmodplug —enable-
libopenmpt —enable-libopencore-amrwb —enable-libmp3lame —
enable-libshine —enable-libtheora —enable-libtwolame —
enable-libvo-amrwbenc —enable-libilbc —enable-libgsm —
enable-libopencore-amrnb —enable-libopus —enable-libspeex -
-enable-libvorbis —enable-ladspa —enable-libbs2b —enable-
libflite —enable-libmysofa -tab —enable-libvmaf —enable-
libzimg —enable-amf —enable-cuda-llvm —enable-cuvid —
enable-ffnvcodec —enable-nvdec —enable-nvenc —enable-
d3d11va —enable-dxva2 —enable-libvpl —enable-libshaderc —
enable-vulkan —enable-libplacebo —enable-opencl —enable-
libcdio —enable-libgme —enable-libmodplug —enable-
libopenmpt —enable-libopencore-amrwb —enable-libmp3lame —
enable-libshine —enable-libtheora —enable-libtwolame —
enable-libvo-amrwbenc —enable-libilbc —enable-libgsm —
enable-libopencore-amrnb —enable-libopus —enable-libspeex -
-enable-libvorbis —enable-ladspa —enable-libbs2b —enable-
libflite —enable-libmysofa —enable-librubberband —enable-
libsoxr —enable-chromaprint libavutil 58. 5.100 / 58.
  
5.100 libavcodec 60. 7.100 / 60. 7.100 libavformat
  
60. 4.100 / 60. 4.100 libavdevice 60. 2.100 / 60.
  
2.100 libavfilter 9. 5.100 / 9. 5.100-enable-
librubberband —enable-libsoxr — enable-chromaprint
libavutil 58. 5.100 / 58. 5.100
libavcodec 60. 7.100 / 60. 7.100 Duration : 00:00:00.04,
start : 0.000000, bitrate : 95429 kb/s
Stream #0:0 : Video : mjpeg (Baseline), yuvj444p(pc,
bt470bg/unknown/unknown), 5792x2896, 25 fps, 25 tbr, 25 tbn
Stream mapping :
Stream #0:0 -> #0:0 (mjpeg (native) -> png (native))
Press [q] to stop, [?] for help
Fontconfig error : Cannot load default config file : No such
file : (null)

  


  C:\Users\canjm\Desktop\Image Correction 360\Archive 
Testing\Utilities\Align Photo>pause
Press any key to continue . . .``


  


• ffmpeg- drawtext style- bold, italics, underline

  18 novembre 2024, par hack

  How can we specify style in drawtext filter. Example, draw 'Hello' in a regular font, but it should be bold, in italics and underlined. Is this possible ?

  


• ffmpeg- drawtext style- bold, italics, underline

  6 avril 2017, par hack

  How can we specify style in drawtext filter. Example, draw ’Hello’ in a regular font, but it should be bold, in italics and underlined. Is this possible ?