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• I tried to make an avi file from images using ffmpeg but the avi file is very small why ?

  13 mai 2013, par Yaron Cohen Minz

  I tried this :

  In C# i'm creating 100 bitmap files :

  for (int i = 0; i < 100; i++)
  
              {
  
  
  
                  t.Save(@"D:\ffmpegtorun\ffmpeg-20130509-git-13cb6ed-win32-static\bin\Screenshots\" + "Screenshot" + i.ToString("D6") + ".Bmp",ImageFormat.Bmp);
  
              }

  Then i'm using the ffmpeg.exe command line to create an avi file movie of all the bitmaps.

  D :\ffmpegtorun\ffmpeg-20130509-git-13cb6ed-win32-static\bin\Screenshots>ffmpeg -
  f image2 -r 5 -i Screenshot000099.bmp -c:v libx264 -r 30 out.mp4

  And before it i tried :

  D :\ffmpegtorun\ffmpeg-20130509-git-13cb6ed-win32-static\bin\Screenshots>ffmpeg -
  f image2 -r 1/5 -i Screenshot000099.bmp -c:v libx264 -r 30 out.mp4

  When i tried to use jpg files i got an error say jpeg is not supported.
  Then when the files were 1920X1080 i got an error say this resolution is not supported.

  Now i did it again and hot this :

  D:\ffmpegtorun\ffmpeg-20130509-git-13cb6ed-win32-static\bin\Screenshots>ffmpeg -
  
  f image2 -r 1/5 -i Screenshot000099.bmp -c:v libx264 -r 30 out.mp4
  
  ffmpeg version N-52941-g13cb6ed Copyright (c) 2000-2013 the FFmpeg developers
  
    built on May  9 2013 17:18:28 with gcc 4.7.3 (GCC)
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
  
  isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
  
  le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
  
  e --enable-libgsm --enable-libilbc --enable-libmp3lame --enable-libopencore-amrn
  
  b --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libr
  
  tmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheo
  
  ra --enable-libtwolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-li
  
  bvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --ena
  
  ble-zlib
  
    libavutil      52. 30.100 / 52. 30.100
  
    libavcodec     55.  7.100 / 55.  7.100
  
    libavformat    55.  4.101 / 55.  4.101
  
    libavdevice    55.  0.100 / 55.  0.100
  
    libavfilter     3. 63.101 /  3. 63.101
  
    libswscale      2.  3.100 /  2.  3.100
  
    libswresample   0. 17.102 /  0. 17.102
  
    libpostproc    52.  3.100 / 52.  3.100
  
  [image2 @ 02532b00] Stream #0: not enough frames to estimate rate; consider incr
  
  easing probesize
  
  Input #0, image2, from 'Screenshot000099.bmp':
  
    Duration: 00:00:05.00, start: 0.000000, bitrate: N/A
  
      Stream #0:0: Video: bmp, bgra, 1920x1080, 0.20 tbr, 0.20 tbn, 0.20 tbc
  
  File 'out.mp4' already exists. Overwrite ? [y/N] y
  
  No pixel format specified, yuv444p for H.264 encoding chosen.
  
  Use -pix_fmt yuv420p for compatibility with outdated media players.
  
  [libx264 @ 0253e180] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
  
  [libx264 @ 0253e180] profile High 4:4:4 Predictive, level 4.0, 4:4:4 8-bit
  
  [libx264 @ 0253e180] 264 - core 132 r2309 3b1f1f7 - H.264/MPEG-4 AVC codec - Cop
  
  yleft 2003-2013 - http://www.videolan.org/x264.html - options:  cabac=1 ref=3 de
  
  block=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 chr
  
  oma_qp_offset=4 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 scene
  
  cut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin
  
  =0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
  
  Output #0, mp4, to 'out.mp4':
  
    Metadata:
  
      encoder         : Lavf55.4.101
  
      Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv444p, 1920x1
  
  080, q=-1--1, 15360 tbn, 30 tbc
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (bmp -> libx264)
  
  Press [q] to stop, [?] for help
  
  frame=    1 fps=0.0 q=29.0 Lsize=      74kB time=00:00:00.03 bitrate=18159.5kbit
  
  s/s
  
  video:73kB audio:0kB subtitle:0 global headers:0kB muxing overhead 1.014632%
  
  [libx264 @ 0253e180] frame I:1     Avg QP:29.34  size: 74174
  
  [libx264 @ 0253e180] mb I  I16..4: 77.5%  4.0% 18.6%
  
  [libx264 @ 0253e180] 8x8 transform intra:4.0%
  
  [libx264 @ 0253e180] coded y,u,v intra: 13.7% 8.5% 8.4%
  
  [libx264 @ 0253e180] i16 v,h,dc,p: 66% 34%  0%  0%
  
  [libx264 @ 0253e180] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 12% 29% 55%  1%  0%  0%  0%
  
   0%  2%
  
  [libx264 @ 0253e180] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 38% 14%  2%  2%  3%  3%
  
   2%  3%
  
  [libx264 @ 0253e180] kb/s:17801.76
  
  
  
  D:\ffmpegtorun\ffmpeg-20130509-git-13cb6ed-win32-static\bin\Screenshots>

  The results are a very small out.mp4 or if it was jpg and avi before files.
  For now the out.mp4 file on the hard disk is : 73.8KB

  What i want is to create in the CSHARP 100 jpg files then make one avi file of them using the ffmpeg with h264 of mpeg4 .

• FFMPEG - Converting any kind of file to Mp4 compatible with IOS and Flash

  14 février 2021, par jax

  I am struggling with FFmpeg within Drupal Video Module to produce files to MP4 that is compatible with IOS and Flash Player10 and up.
I have used the following commands so far, please note that the variables starting with " !" are placeholders and will be replaces with the proper items :

  


  FFmpeg -strict experimental -y -i !videofile -pass 1 -s !widthx!height -b:v 500k -threads 0 -vcodec libx264 -vf "pad=!paddingwidth:!paddingheight:!paddingleft:!paddingtop:000000" -preset slow -an !convertfile

FFmpeg -strict experimental -y -i !videofile -pass 2 -s !widthx!height -b:v 500k -threads 0 -vcodec libx264 -vf "pad=!paddingwidth:!paddingheight:!paddingleft:!paddingtop:000000" -preset slow -acodec aac -ab 128k !convertfile


  


  The above command produce an error as :

  


  error executing command for rendering preset HTML5 MP4, command #1 :

  


  nice -n 19 /usr/bin/ffmpeg/ffmpeg -y -i '80137db8c3_1334836277_int_tr_19.mp4' -s 176x100 -b:v 500k -threads 0 -vcodec libx264 -preset slow -acodec aac -ab 128k '/converted/80137db8c3_1334836277_int_tr_19.mp4' 2>&1

Output:

ffmpeg version git-2013-02-01-5a67e30 Copyright (c) 2000-2013 the FFmpeg developers
  built on Feb  1 2013 14:23:14 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
  configuration: --enable-gpl --enable-libass --enable-libfaac --enable-libfdk-aac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree --enable-version3
  libavutil      52. 17.100 / 52. 17.100
  libavcodec     54. 91.100 / 54. 91.100
  libavformat    54. 61.104 / 54. 61.104
  libavdevice    54.  3.103 / 54.  3.103
  libavfilter     3. 35.100 /  3. 35.100
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '80137db8c3_1334836277_int_tr_19.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2011-03-28 00:12:26
  Duration: 00:02:01.14, start: 0.000000, bitrate: 703 kb/s
    Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 601 kb/s, 29.96 fps, 29.92 tbr, 1k tbn, 59.83 tbc
    Metadata:
      creation_time   : 1970-01-01 00:00:00
      handler_name    : VideoHandler
    Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 96 kb/s
    Metadata:
      creation_time   : 2011-03-28 00:12:27
      handler_name    : (C) 2007 Google Inc. v08.13.2007.
[libx264 @ 0x34ec060] using SAR=100/99
[libx264 @ 0x34ec060] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
[libx264 @ 0x34ec060] profile High, level 2.0
[libx264 @ 0x34ec060] 264 - core 129 r2245 bc13772 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=umh subme=8 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=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=abr mbtree=1 bitrate=500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
The encoder 'aac' is experimental but experimental codecs are not enabled, add '-strict -2' if you want to use it.
Alternatively use the non experimental encoder 'libfaac'.


  


  Another command that I used is :

  


  FFmpeg -i !videofile -an -pass 1 -vcodec libx264 -preset slow -b 500k -threads auto !convertfile

FFMpeg -y -i !videofile -acodec libfaac -ab 128k -pass 2 -vcodec libx264 -preset slow -b 500k -threads auto !convertfile


  


  Output for the first pass :

  


  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'comiccon.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: mp41
    creation_time   : 2012-08-15 17:12:37
  Duration: 01:17:15.93, start: 0.000000, bitrate: 706 kb/s
    Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 636 kb/s, 30 fps, 30 tbr, 90k tbn, 60 tbc
    Metadata:
      creation_time   : 2012-08-15 17:12:37
      handler_name    : VideoHandler
    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 63 kb/s
    Metadata:
      creation_time   : 2012-08-15 17:12:37
      handler_name    : SoundHandler
Please use -b:a or -b:v, -b is ambiguous

using SAR=1/1
[libx264 @ 0x1c39be0] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
[libx264 @ 0x1c39be0] profile Main, level 3.0
[libx264 @ 0x1c39be0] 264 - core 129 r2245 bc13772 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=1 ref=1 deblock=1:0:0 analyse=0x1:0 me=dia subme=2 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 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=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=abr mbtree=1 bitrate=500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'comiccon.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: mp41
    encoder         : Lavf54.61.104
    Stream #0:0(eng): Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 640x360 [SAR 1:1 DAR 16:9], q=-1--1, pass 1, 500 kb/s, 15360 tbn, 30 tbc
    Metadata:
      creation_time   : 2012-08-15 17:12:37
      handler_name    : VideoHandler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 -> libx264)
Press [q] to stop, [?] for help
frame=139078 fps=279 q=32766.0 Lsize=  286145kB time=01:17:15.86 bitrate= 505.6kbits/s    
video:284758kB audio:0kB subtitle:0 global headers:0kB muxing overhead 0.487000%
[libx264 @ 0x1c39be0] frame I:656   Avg QP:19.51  size: 21457
[libx264 @ 0x1c39be0] frame P:76006 Avg QP:22.19  size:  3141
[libx264 @ 0x1c39be0] frame B:62416 Avg QP:26.38  size:   621
[libx264 @ 0x1c39be0] consecutive B-frames: 32.3% 17.5% 18.6% 31.6%
[libx264 @ 0x1c39be0] mb I  I16..4: 24.5%  0.0% 75.5%
[libx264 @ 0x1c39be0] mb P  I16..4:  7.5%  0.0%  0.0%  P16..4: 40.5%  0.0%  0.0%  0.0%  0.0%    skip:52.1%
[libx264 @ 0x1c39be0] mb B  I16..4:  1.4%  0.0%  0.0%  B16..8: 12.0%  0.0%  0.0%  direct: 2.9%  skip:83.7%  L0:41.1% L1:41.6% BI:17.3%
[libx264 @ 0x1c39be0] final ratefactor: 23.45
[libx264 @ 0x1c39be0] direct mvs  spatial:95.3% temporal:4.7%
[libx264 @ 0x1c39be0] coded y,uvDC,uvAC intra: 37.6% 42.8% 11.8% inter: 8.9% 8.2% 0.5%
[libx264 @ 0x1c39be0] i16 v,h,dc,p: 43% 28% 19% 10%
[libx264 @ 0x1c39be0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 36% 21% 11%  6%  4%  5%  4%  6%  6%
[libx264 @ 0x1c39be0] i8c dc,h,v,p: 57% 19% 20%  4%
[libx264 @ 0x1c39be0] Weighted P-Frames: Y:1.4% UV:0.5%
[libx264 @ 0x1c39be0] kb/s:503.18


  


  output for the second pass :

  


  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'comiccon.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: mp41
    creation_time   : 2012-08-15 17:12:37
  Duration: 01:17:15.93, start: 0.000000, bitrate: 706 kb/s
    Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 636 kb/s, 30 fps, 30 tbr, 90k tbn, 60 tbc
    Metadata:
      creation_time   : 2012-08-15 17:12:37
      handler_name    : VideoHandler
    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 63 kb/s
    Metadata:
      creation_time   : 2012-08-15 17:12:37
      handler_name    : SoundHandler
Please use -b:a or -b:v, -b is ambiguous
[libx264 @ 0x3247f80] using SAR=1/1
[libx264 @ 0x3247f80] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
[libx264 @ 0x3247f80] profile High, level 3.0
[libx264 @ 0x3247f80] 264 - core 129 r2245 bc13772 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=umh subme=8 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=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=2pass mbtree=1 bitrate=500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 cplxblur=20.0 qblur=0.5 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'comiccon.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: mp41
    encoder         : Lavf54.61.104
    Stream #0:0(eng): Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 640x360 [SAR 1:1 DAR 16:9], q=-1--1, pass 2, 500 kb/s, 15360 tbn, 30 tbc
    Metadata:
      creation_time   : 2012-08-15 17:12:37
      handler_name    : VideoHandler
    Stream #0:1(eng): Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo, s16, 128 kb/s
    Metadata:
      creation_time   : 2012-08-15 17:12:37
      handler_name    : SoundHandler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 -> libx264)
  Stream #0:1 -> #0:1 (aac -> libfaac)
Press [q] to stop, [?] for help
frame=139078 fps=206 q=32766.0 Lsize=  357252kB time=01:17:15.93 bitrate= 631.3kbits/s    
video:282992kB audio:69592kB subtitle:0 global headers:0kB muxing overhead 1.324238%
[libx264 @ 0x3247f80] frame I:656   Avg QP:19.61  size: 20433
[libx264 @ 0x3247f80] frame P:76006 Avg QP:23.07  size:  2996
[libx264 @ 0x3247f80] frame B:62416 Avg QP:26.23  size:   780
[libx264 @ 0x3247f80] consecutive B-frames: 32.3% 17.5% 18.6% 31.6%
[libx264 @ 0x3247f80] mb I  I16..4: 17.2% 37.8% 44.9%
[libx264 @ 0x3247f80] mb P  I16..4:  2.9%  3.7%  1.2%  P16..4: 30.3%  6.1%  3.4%  0.0%  0.0%    skip:52.5%
[libx264 @ 0x3247f80] mb B  I16..4:  0.5%  0.6%  0.3%  B16..8: 25.9%  2.2%  0.5%  direct: 0.9%  skip:69.3%  L0:51.4% L1:43.0% BI: 5.7%
[libx264 @ 0x3247f80] 8x8 transform intra:45.9% inter:51.5%
[libx264 @ 0x3247f80] direct mvs  spatial:85.5% temporal:14.5%
[libx264 @ 0x3247f80] coded y,uvDC,uvAC intra: 47.3% 49.2% 13.5% inter: 9.0% 9.4% 0.5%
[libx264 @ 0x3247f80] i16 v,h,dc,p: 38% 27% 13% 22%
[libx264 @ 0x3247f80] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 16% 14%  5%  5%  7%  7%  8%  9%
[libx264 @ 0x3247f80] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 31% 15%  9%  6%  7%  8%  7%  8%  8%
[libx264 @ 0x3247f80] i8c dc,h,v,p: 49% 22% 20%  8%
[libx264 @ 0x3247f80] Weighted P-Frames: Y:1.4% UV:0.5%
[libx264 @ 0x3247f80] ref P L0: 79.3% 10.4%  6.8%  1.6%  1.2%  0.7%  0.0%
[libx264 @ 0x3247f80] ref B L0: 93.6%  4.8%  1.2%  0.3%
[libx264 @ 0x3247f80] ref B L1: 96.6%  3.4%
[libx264 @ 0x3247f80] kb/s:500.06


  


  The above command produces the file correctly however it cannot be played in flash player. One thing that I noticed is this may happen if the input file is mp4 as well. This command is executed for users uploading files, so the input file could be any format.

  


  Below is the information about my FFmpeg version :
> ffmpeg version git-2013-02-01-5a67e30 Copyright (c) 2000-2013 the
> FFmpeg developers built on Feb 1 2013 14:23:14 with gcc 4.6
> (Ubuntu/Linaro 4.6.3-1ubuntu5) configuration : —enable-gpl
> —enable-libass —enable-libfaac —enable-libfdk-aac —enable-libmp3lame —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-librtmp —enable-libtheora —enable-libvorbis —enable-libvpx —enable-libx264 —enable-nonfree —enable-version3 libavutil 52. 17.100 / 52. 17.100
  
libavcodec 54. 91.100 / 54. 91.100
  
libavformat 54. 61.104 / 54. 61.104
  
libavdevice 54. 3.103 / 54. 3.103
  
libavfilter 3. 35.100 / 3. 35.100
  
libswscale 2. 2.100 / 2. 2.100
  
libswresample 0. 17.102 / 0. 17.102
  
libpostproc 52. 2.100 / 52. 2.1

  


• Evolution #4380 : gif animé searching.gif

  9 mars 2021, par cedric -

  Bon donc on a 2 bonnes solutions :
  - le loader purement CSS : je suis parti de celui de Lea Verou https://lea.verou.me/2013/11/cleanest-css-spinner-ever/ dont j’ai retrouvé le code ici https://catswhocode.com/css-spinner/ adapté pour avoir 12 branches, arrondies, ce qui donne ça
  

  Loading…
  

  - le loader purement svg qui repose sur https://caniuse.com/svg-smil : je suis parti de https://samherbert.net/svg-loaders/ que j’ai adapté pour retrouver le spinner à 12 branches et ça donne ça pour le spinning.svg

  Qu’on peut insérer via un
  

      [(#CHEMINloaders/svg-loaders/spinning.svg|balise_svg’Loading...’,’loader’)]
  

  
  ou
  

      [(#CHEMINloaders/svg-loaders/spinning.svg|balise_img’Loading...’,’loader’)]
  

  Visuellement le rendu est assez proche entre l’un et l’autre, rien de foufou.

  Avantage/inconvénients du loader css :
  - purement css, juste 3 divs a inserer là ou on en a besoin avec la bonne chaine de langue. Il peut être stylé avec la couleur de l’espace privé (mais pas contextuellement), et dimensionné en em là où on l’utilise. Inconvénients : il faut les css et donc pour le réutiliser dans le public il faut rechoper les styles, donc les proposer aussi dans une css static (notamment si on veut styler dans l’espace prive en fonction de la couleur de preference), donc réutilisation plus laborieuse et migration plus compliquée depuis le searching.gif

  Avantage/inconvénients du loader svg :
  - c’est juste une image, qui s’utilise d’un coup de cuillère à pot n’importe où, et se style en couleur et taille avec un font-size et un color (si on l’insère avec balise_svg, sinon seulement en taille, la couleur étant du coup noire par défaut). La migration depuis le searching.gif est triviale, il suffit de changer le nom du fichier (on peut même par défaut le mettre dans une taille identique).
  Par contre le support est un peu moins bon que le loader css

  J’ai donc une petite préférence pour la version svg, mais les 2 sont gérables