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    21 juin 2013, par

    Présentez les changements dans votre MédiaSPIP ou les actualités de vos projets sur votre MédiaSPIP grâce à la rubrique actualités.
    Dans le thème par défaut spipeo de MédiaSPIP, les actualités sont affichées en bas de la page principale sous les éditoriaux.
    Vous pouvez personnaliser le formulaire de création d’une actualité.
    Formulaire de création d’une actualité Dans le cas d’un document de type actualité, les champs proposés par défaut sont : Date de publication ( personnaliser la date de publication ) (...)

  • Multilang : améliorer l’interface pour les blocs multilingues

    18 février 2011, par

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Sur d’autres sites (9149)

  • ffmpeg not taking variables for file name in bash [duplicate]

    6 juillet 2016, par 2haloes

    This question already has an answer here :

    I have been trying to create a script to download files from a website using ffmpeg, it works well until it gets to the filename, the code is as so :

    echo "Hello, this is the basic script to download videos. This requires ffmpeg to be installed, do you want to start? (Y/N)"
    
read start_input
    
if [ $start_input = Y ] || [ $start_input = y ]
    
then
    
    echo "[Text]"
    
    read video_link
    
    echo "Now I need what quality you want the video to be (240, 360, 480, 720, 1080, Default: 720)"
    
    read quality_link
    
    if [ -z $quality_link ]
    
    then 
    
        $quality_link = "720"
    
    fi 
    

    
    echo "Now name the new file (Note, it will have a .ts extention)"
    

    
    read $new_file
    
    echo "And where would you like it to be placed?"
    
    read $folder_location
    
    $file="${folder_location}/${new_file}.ts"
    
    ffmpeg -i "[url]" -c:v copy -c:a copy -f mpegts $file
    
else 
    
    exit 0
    
fi
    
exit 0

    The problem is when the $file variable is used, ffmpeg doesn’t use it, variables are completely ignored, I have tried many different ways but they don’t work (Single quotes, double quotes, using $file), what can I do ?

  • Obscure error while transcoding a video with FFMPEG

    8 juillet 2016, par ZiggidyCreative

    thanks for taking a moment to look at this FFMPEG error i’m having. I’m trying to transcode any video file, recorded in portrait mode and crop it to a square using the top portion and then size it down to 600x600 square. Here is the command i’m using :

    ffmpeg -y -i input-video.mov -filter_complex '[0] crop=1080:1080:0:0, scale=600:600, split=2[out1][out2]' -map '[out1]' video/transcoded-video.mp4 -map '[out2]' -qscale:v 6 thumbnails/thumb_%03d.png

    Here are the errors :

    [swscaler @ 0x2502260] No accelerated colorspace conversion found from yuv420p to rgb24.
    
[swscaler @ 0x250a2b0] No accelerated colorspace conversion found from yuv420p to rgb24.
    
[swscaler @ 0x2512300] No accelerated colorspace conversion found from yuv420p to rgb24.
    
[NULL @ 0x24e9dd0] [Eval @ 0x7fff769243e0] Undefined constant or missing '(' in 'baseline'
    
[NULL @ 0x24e9dd0] Unable to parse option value "baseline"
    
[NULL @ 0x24e9dd0] Error setting option profile to value baseline.

    Here is the output :

    ffmpeg version git-2013-06-02-5711e4f Copyright (c) 2000-2013 the FFmpeg developers
    
 built on Jun  2 2013 07:38:40 with gcc 4.4.3 (Ubuntu 4.4.3-4ubuntu5.1)
    
 configuration: --enable-shared --disable-asm --prefix=/app/vendor/ffmpeg
    
 libavutil      52. 34.100 / 52. 34.100
    
 libavcodec     55. 13.100 / 55. 13.100
    
 libavformat    55.  8.102 / 55.  8.102
    
 libavdevice    55.  2.100 / 55.  2.100
    
 libavfilter     3. 74.101 /  3. 74.101
    
 libswscale      2.  3.100 /  2.  3.100
    
 libswresample   0. 17.102 /  0. 17.102
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/app/downloads/bf951fbc8322d9010d679e656ccda330b6f19f36.mov':
    
 Metadata:
    
   major_brand     : qt  
    
   minor_version   : 0
    
   compatible_brands: qt  
    
   creation_time   : 2016-07-01 19:27:37
    
 Duration: 00:00:04.77, start: 0.000000, bitrate: 17881 kb/s
    
   Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080, 17874 kb/s, 29.98 fps, 30 tbr, 600 tbn, 1200 tbc
    
   Metadata:
    
     rotate          : 90
    
     creation_time   : 2016-07-01 19:27:37
    
     handler_name    : Core Media Data Handler
    
[swscaler @ 0x2502260] No accelerated colorspace conversion found from yuv420p to rgb24.
    
[swscaler @ 0x250a2b0] No accelerated colorspace conversion found from yuv420p to rgb24.
    
[swscaler @ 0x2512300] No accelerated colorspace conversion found from yuv420p to rgb24.
    
[NULL @ 0x24e9dd0] [Eval @ 0x7fff769243e0] Undefined constant or missing '(' in 'baseline'
    
[NULL @ 0x24e9dd0] Unable to parse option value "baseline"
    
[NULL @ 0x24e9dd0] Error setting option profile to value baseline.
    
Output #0, mp4, to '/app/outputs/2091/bf951fbc8322d9010d679e656ccda330b6f19f36.mp4':
    
 Metadata:
    
   major_brand     : qt  
    
   minor_version   : 0
    
   compatible_brands: qt  
    
   Stream #0:0: Video: mpeg4, yuv420p, 600x600, q=2-31, 200 kb/s, 90k tbn, 30 tbc
    
Output #1, image2, to '/app/outputs/2091/thumbs/thumb_%03d.png':
    
 Metadata:
    
   major_brand     : qt  
    
   minor_version   : 0
    
   compatible_brands: qt  
    
   Stream #1:0: Video: png, rgb24, 600x600, q=2-31, 200 kb/s, 90k tbn, 30 tbc
    
Stream mapping:
    
 Stream #0:0 (h264) -> crop
    
 split:output0 -> Stream #0:0 (mpeg4)
    
 split:output1 -> Stream #1:0 (png)

    Thanks again for looking at this and anything will help.

  • How to calculate vmaf score of multi-resolution webm using ffmpeg ?

    13 juillet 2022, par will

    I’m trying to calculate the vmaf of two videos, one is avi(rawvideo(I420), yuv420p), the other is webm(vp8, yuv420p). I uploaded test video and vmaf log here.

    


    But I found that if it’s a multi-resolution webm, the scores obtained with and without fps filter are quite different. Without fps filter the vmaf score is 34.670390, with fps filter the vmaf score is 56.339923.

    


    If it‘s a single resolution webm, there is no significant difference between the scores obtained with and without fps filter. Without fps filter the vmaf score is 65.527304, with fps filter the vmaf score is 65.480217.

    


    I use these commands.

    


    without fps filter

    


    ffmpeg \
    -r 15 -i reference.avi \
    -r 15 -i distorted.webm \
    -lavfi "[0:v]setpts=PTS-STARTPTS[reference]; \
            [1:v]scale=1920:1080:flags=bicubic,setpts=PTS-STARTPTS[distorted]; \
            [distorted][reference]libvmaf=log_fmt=json:log_path=vmaf_without_fps.log:model_path=vmaf_v0.6.1.json:n_threads=10:ssim=1:psnr=1" \
    -f null -


    


    ffmpeg version 4.4.1 Copyright (c) 2000-2021 the FFmpeg developers
  built with Apple clang version 12.0.0 (clang-1200.0.32.29)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/4.4.1_3 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack --enable-avresample --enable-videotoolbox
  libavutil      56. 70.100 / 56. 70.100
  libavcodec     58.134.100 / 58.134.100
  libavformat    58. 76.100 / 58. 76.100
  libavdevice    58. 13.100 / 58. 13.100
  libavfilter     7.110.100 /  7.110.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  9.100 /  5.  9.100
  libswresample   3.  9.100 /  3.  9.100
  libpostproc    55.  9.100 / 55.  9.100
Input #0, avi, from 'reference.avi':
  Metadata:
    software        : Lavf58.76.100
  Duration: 00:00:26.13, start: 0.000000, bitrate: 373260 kb/s
  Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 1920x1080, 374202 kb/s, 15 fps, 15 tbr, 15 tbn, 15 tbc
Input #1, matroska,webm, from 'distorted.webm':
  Metadata:
    encoder         : Chrome
  Duration: N/A, start: 0.000000, bitrate: N/A
  Stream #1:0(eng): Audio: opus, 48000 Hz, stereo, fltp (default)
  Stream #1:1(eng): Video: vp8, yuv420p(progressive), 1920x1080, SAR 1:1 DAR 16:9, 1k tbr, 1k tbn, 1k tbc (default)
    Metadata:
      alpha_mode      : 1
Stream mapping:
  Stream #0:0 (rawvideo) -> setpts (graph 0)
  Stream #1:1 (vp8) -> scale (graph 0)
  libvmaf (graph 0) -> Stream #0:0 (wrapped_avframe)
  Stream #1:0 -> #0:1 (opus (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
libvmaf INFO `compute_vmaf()` is deprecated and will be removed in a future libvmaf version
Output #0, null, to 'pipe:':
  Metadata:
    software        : Lavf58.76.100
    encoder         : Lavf58.76.100
  Stream #0:0: Video: wrapped_avframe, yuv420p(tv, bt470bg/unknown/unknown, progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 15 fps, 15 tbn (default)
    Metadata:
      encoder         : Lavc58.134.100 wrapped_avframe
  Stream #0:1(eng): Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s (default)
    Metadata:
      encoder         : Lavc58.134.100 pcm_s16le
[libvmaf @ 0x7feb8a606a80] VMAF score: 58.1203705.87 bitrate=N/A speed= 5.6x    
libvmaf INFO `compute_vmaf()` is deprecated and will be removed in a future libvmaf version
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 0
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 1
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 2
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 3
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 4
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 5
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 6
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 7
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 8
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 9
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 10
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 11
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 12
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 13
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 14
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 15
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 16
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 17
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 18
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 19
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 20
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 21
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 22
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 23
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 24
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 25
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 26
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 27
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 28
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 29
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 30
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 31
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 32
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 33
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 34
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 35
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 36
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 37
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 38
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 39
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 40
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 41
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 42
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 43
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 44
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 45
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 46
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 47
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 48
[null @ 0x7feb8b04da00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 49 >= 49
frame=  392 fps= 36 q=-0.0 Lsize=N/A time=00:00:28.73 bitrate=N/A speed= 2.6x    
video:205kB audio:5400kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
[libvmaf @ 0x7feb8c405bc0] VMAF score: 34.670390


    


    with fps filter

    


    ffmpeg \
    -r 15 -i reference.avi \
    -r 15 -i distorted.webm \
    -lavfi "[0:v]setpts=PTS-STARTPTS[reference]; \
            [1:v]fps=fps=15,scale=1920:1080:flags=bicubic,setpts=PTS-STARTPTS[distorted]; \
            [distorted][reference]libvmaf=log_fmt=json:log_path=vmaf_with_fps.log:model_path=vmaf_v0.6.1.json:n_threads=10:ssim=1:psnr=1" \
    -f null -


    


    ffmpeg version 4.4.1 Copyright (c) 2000-2021 the FFmpeg developers
  built with Apple clang version 12.0.0 (clang-1200.0.32.29)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/4.4.1_3 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack --enable-avresample --enable-videotoolbox
  libavutil      56. 70.100 / 56. 70.100
  libavcodec     58.134.100 / 58.134.100
  libavformat    58. 76.100 / 58. 76.100
  libavdevice    58. 13.100 / 58. 13.100
  libavfilter     7.110.100 /  7.110.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  9.100 /  5.  9.100
  libswresample   3.  9.100 /  3.  9.100
  libpostproc    55.  9.100 / 55.  9.100
Input #0, avi, from 'reference.avi':
  Metadata:
    software        : Lavf58.76.100
  Duration: 00:00:26.13, start: 0.000000, bitrate: 373260 kb/s
  Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 1920x1080, 374202 kb/s, 15 fps, 15 tbr, 15 tbn, 15 tbc
Input #1, matroska,webm, from 'distorted.webm':
  Metadata:
    encoder         : Chrome
  Duration: N/A, start: 0.000000, bitrate: N/A
  Stream #1:0(eng): Audio: opus, 48000 Hz, stereo, fltp (default)
  Stream #1:1(eng): Video: vp8, yuv420p(progressive), 1920x1080, SAR 1:1 DAR 16:9, 1k tbr, 1k tbn, 1k tbc (default)
    Metadata:
      alpha_mode      : 1
Stream mapping:
  Stream #0:0 (rawvideo) -> setpts (graph 0)
  Stream #1:1 (vp8) -> fps (graph 0)
  libvmaf (graph 0) -> Stream #0:0 (wrapped_avframe)
  Stream #1:0 -> #0:1 (opus (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
libvmaf INFO `compute_vmaf()` is deprecated and will be removed in a future libvmaf version
Output #0, null, to 'pipe:':
  Metadata:
    software        : Lavf58.76.100
    encoder         : Lavf58.76.100
  Stream #0:0: Video: wrapped_avframe, yuv420p(tv, bt470bg/unknown/unknown, progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 15 fps, 15 tbn (default)
    Metadata:
      encoder         : Lavc58.134.100 wrapped_avframe
  Stream #0:1(eng): Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s (default)
    Metadata:
      encoder         : Lavc58.134.100 pcm_s16le
[libvmaf @ 0x7fdeab00bac0] VMAF score: 58.3160815.27 bitrate=N/A speed=5.08x    
libvmaf INFO `compute_vmaf()` is deprecated and will be removed in a future libvmaf version
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 0
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 1
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 2
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 3
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 4
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 5
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 6
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 7
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 8
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 9
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 10
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 11
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 12
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 13
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 14
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 15
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 16
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 17
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 18
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 19
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 20
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 21
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 22
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 23
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 24
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 25
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 26
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 27
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 28
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 29
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 30
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 31
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 32
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 33
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 34
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 35
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 36
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 37
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 38
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 39
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 40
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 41
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 42
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 43
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 44
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 45
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 46
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 47
[null @ 0x7fdeab84ba00] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 48 >= 48
frame=  391 fps= 36 q=-0.0 Lsize=N/A time=00:00:28.73 bitrate=N/A speed=2.62x    
video:205kB audio:5400kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
[libvmaf @ 0x7fdea9f34a00] VMAF score: 56.339923


    


    I'm curious about what causes such a difference ? And how to calculate vmaf score of multi-resolution webm correctly ?

    


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