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  • Les autorisations surchargées par les plugins

    27 avril 2010, par

    Mediaspip core
    autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs

  • MediaSPIP v0.2

    21 juin 2013, par

    MediaSPIP 0.2 est la première version de MediaSPIP stable.
    Sa date de sortie officielle est le 21 juin 2013 et est annoncée ici.
    Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
    Comme pour la version précédente, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
    Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...)

  • Mise à disposition des fichiers

    14 avril 2011, par

    Par défaut, lors de son initialisation, MediaSPIP ne permet pas aux visiteurs de télécharger les fichiers qu’ils soient originaux ou le résultat de leur transformation ou encodage. Il permet uniquement de les visualiser.
    Cependant, il est possible et facile d’autoriser les visiteurs à avoir accès à ces documents et ce sous différentes formes.
    Tout cela se passe dans la page de configuration du squelette. Il vous faut aller dans l’espace d’administration du canal, et choisir dans la navigation (...)

Sur d’autres sites (8437)

  • avformat/mov : add support for reading Content Light Level Box

    22 avril 2017, par James Almer
    avformat/mov : add support for reading Content Light Level Box
    

    As defined in "VP Codec ISO Media File Format Binding v1.0"
    https://github.com/webmproject/vp9-dash/blob/master/VPCodecISOMediaFileFormatBinding.md

    Reviewed-by : Michael Niedermayer <michael@niedermayer.cc>
    Signed-off-by : James Almer <jamrial@gmail.com>

    • [DH] libavformat/isom.h
    • [DH] libavformat/mov.c
  • 12 ffmpeg xfade transitions : "option not found"

    17 juillet 2023, par nimda

    I'm running into a strange error where each of these following 12 of the 56 xfade transitions are throwing errors :

    &#xA;

      &#xA;
    • hlwind
    • &#xA;

    • hrwind
    • &#xA;

    • vuwind
    • &#xA;

    • vdwind
    • &#xA;

    • coverleft
    • &#xA;

    • coverright
    • &#xA;

    • coverup
    • &#xA;

    • coverdown
    • &#xA;

    • revealleft
    • &#xA;

    • revealright
    • &#xA;

    • revealup
    • &#xA;

    • revealdown
    • &#xA;

    &#xA;

    I've tested all filter transitions with the following command, which is being generated by a nodeJS app with the fluent-ffmpeg library, and only the twelve listed above fail with the same error "option not found" :

    &#xA;

    ffmpeg -f lavfi -t 169&#xA;  -i color=c=000000:s=960x540:r=30:duration=169&#xA;  -i file:///Users/johnbandy/Work/Projects/Active/CNCT/XFade/_assets/crosstrekvx-1.jpg&#xA;  -i file:///Users/johnbandy/Work/Projects/Active/CNCT/XFade/_assets/crosstrekvx-2.jpg &#xA;  -filter_complex&#xA;    [1:v]format=pix_fmts=yuva420p,scale=w=4608:h=-1,zoompan=z=&#x27;1.2&#x2B;(0*(ot/4))&#x27;:x=&#x27;(on/(30*4))*(iw-iw/1.2)&#x27;:y=&#x27;(ih-ih/zoom)/2&#x27;:d=120:s=960x540[1_up];&#xA;    [1_up]scale=w=960:h=-1[1_down];&#xA;    [2:v]format=pix_fmts=yuva420p,scale=w=4608:h=-1,zoompan=z=&#x27;1.2&#x2B;(0*(ot/4))&#x27;:x=&#x27;(on/(30*4))*(iw-iw/1.2)&#x27;:y=&#x27;(ih-ih/zoom)/2&#x27;:d=120:s=960x540[2_up];&#xA;    [2_up]scale=w=960:h=-1[2_down];&#xA;    [1_down][2_down]xfade=transition=revealdown:duration=1:offset=3[2_out];&#xA;    [0:v][2_out]overlay=x=0:y=0:enable=&#x27;lte(t,7)&#x27;[all_out]&#xA;  -vcodec libx264 -r 30 -f mp4 -map [all_out] -preset veryfast -crf 18 -movflags frag_keyframe&#x2B;empty_moov -pix_fmt yuv420p all.mp4&#xA;

    &#xA;

    fflog output :

    &#xA;

    ffmpeg version 6.0 Copyright (c) 2000-2023 the FFmpeg developers&#xA;  built with Apple clang version 14.0.3 (clang-1403.0.22.14.1)&#xA;  configuration: --prefix=/opt/homebrew/Cellar/ffmpeg/6.0 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libaribb24 --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libsvtav1 --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-videotoolbox --enable-audiotoolbox --enable-neon&#xA;  libavutil      58.  2.100 / 58.  2.100&#xA;  libavcodec     60.  3.100 / 60.  3.100&#xA;  libavformat    60.  3.100 / 60.  3.100&#xA;  libavdevice    60.  1.100 / 60.  1.100&#xA;  libavfilter     9.  3.100 /  9.  3.100&#xA;  libswscale      7.  1.100 /  7.  1.100&#xA;  libswresample   4. 10.100 /  4. 10.100&#xA;  libpostproc    57.  1.100 / 57.  1.100&#xA;Input #0, lavfi, from &#x27;color=c=000000:s=960x540:r=30:duration=169&#x27;:&#xA;  Duration: N/A, start: 0.000000, bitrate: N/A&#xA;  Stream #0:0: Video: wrapped_avframe, yuv420p, 960x540 [SAR 1:1 DAR 16:9], 30 fps, 30 tbr, 30 tbn&#xA;Input #1, image2, from &#x27;file:///Users/johnbandy/Work/Projects/Active/CNCT/XFade/_assets/crosstrekvx-1.jpg&#x27;:&#xA;  Duration: 00:00:00.04, start: 0.000000, bitrate: 36486 kb/s&#xA;  Stream #1:0: Video: mjpeg (Baseline), yuvj444p(pc, bt470bg/unknown/unknown), 960x540, 25 fps, 25 tbr, 25 tbn&#xA;Input #2, image2, from &#x27;file:///Users/johnbandy/Work/Projects/Active/CNCT/XFade/_assets/crosstrekvx-2.jpg&#x27;:&#xA;  Duration: 00:00:00.04, start: 0.000000, bitrate: 35680 kb/s&#xA;  Stream #2:0: Video: mjpeg (Baseline), yuvj444p(pc, bt470bg/unknown/unknown), 960x540, 25 fps, 25 tbr, 25 tbn&#xA;[Parsed_xfade_8 @ 0x60000137cb00] [Eval @ 0x16f9b5348] Undefined constant or missing &#x27;(&#x27; in &#x27;revealdown&#x27;&#xA;[Parsed_xfade_8 @ 0x60000137cb00] Unable to parse option value "revealdown"&#xA;Error applying option &#x27;transition&#x27; to filter &#x27;xfade&#x27;: Option not found&#xA;Error initializing complex filters.&#xA;Option not found&#xA;

    &#xA;

    The fflog for a successful video generation follows (for comparison to the erroneous log above) :

    &#xA;

    ffmpeg version 6.0 Copyright (c) 2000-2023 the FFmpeg developers&#xA;  built with Apple clang version 14.0.3 (clang-1403.0.22.14.1)&#xA;  configuration: --prefix=/opt/homebrew/Cellar/ffmpeg/6.0 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libaribb24 --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libsvtav1 --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-videotoolbox --enable-audiotoolbox --enable-neon&#xA;  libavutil      58.  2.100 / 58.  2.100&#xA;  libavcodec     60.  3.100 / 60.  3.100&#xA;  libavformat    60.  3.100 / 60.  3.100&#xA;  libavdevice    60.  1.100 / 60.  1.100&#xA;  libavfilter     9.  3.100 /  9.  3.100&#xA;  libswscale      7.  1.100 /  7.  1.100&#xA;  libswresample   4. 10.100 /  4. 10.100&#xA;  libpostproc    57.  1.100 / 57.  1.100&#xA;Input #0, lavfi, from &#x27;color=c=000000:s=960x540:r=30:duration=169&#x27;:&#xA;  Duration: N/A, start: 0.000000, bitrate: N/A&#xA;  Stream #0:0: Video: wrapped_avframe, yuv420p, 960x540 [SAR 1:1 DAR 16:9], 30 fps, 30 tbr, 30 tbn&#xA;Input #1, image2, from &#x27;file:///Users/johnbandy/Work/Projects/Active/CNCT/XFade/_assets/crosstrekvx-1.jpg&#x27;:&#xA;  Duration: 00:00:00.04, start: 0.000000, bitrate: 36486 kb/s&#xA;  Stream #1:0: Video: mjpeg (Baseline), yuvj444p(pc, bt470bg/unknown/unknown), 960x540, 25 fps, 25 tbr, 25 tbn&#xA;Input #2, image2, from &#x27;file:///Users/johnbandy/Work/Projects/Active/CNCT/XFade/_assets/crosstrekvx-2.jpg&#x27;:&#xA;  Duration: 00:00:00.04, start: 0.000000, bitrate: 35680 kb/s&#xA;  Stream #2:0: Video: mjpeg (Baseline), yuvj444p(pc, bt470bg/unknown/unknown), 960x540, 25 fps, 25 tbr, 25 tbn&#xA;Stream mapping:&#xA;  Stream #0:0 (wrapped_avframe) -> overlay&#xA;  Stream #1:0 (mjpeg) -> format:default&#xA;  Stream #2:0 (mjpeg) -> format:default&#xA;  overlay:default -> Stream #0:0 (libx264)&#xA;Press [q] to stop, [?] for help&#xA;[swscaler @ 0x140158000] deprecated pixel format used, make sure you did set range correctly&#xA;[swscaler @ 0x120098000] deprecated pixel format used, make sure you did set range correctly&#xA;[swscaler @ 0x130078000] deprecated pixel format used, make sure you did set range correctly&#xA;    Last message repeated 2 times&#xA;[swscaler @ 0x140598000] deprecated pixel format used, make sure you did set range correctly&#xA;[swscaler @ 0x1302d8000] deprecated pixel format used, make sure you did set range correctly&#xA;    Last message repeated 1 times&#xA;[libx264 @ 0x138e09080] using SAR=1/1&#xA;[libx264 @ 0x138e09080] using cpu capabilities: ARMv8 NEON&#xA;[libx264 @ 0x138e09080] profile High, level 3.1, 4:2:0, 8-bit&#xA;[libx264 @ 0x138e09080] 264 - core 164 r3095 baee400 - H.264/MPEG-4 AVC codec - Copyleft 2003-2022 - http://www.videolan.org/x264.html - options: cabac=1 ref=1 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=2 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=12 lookahead_threads=4 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=1 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=10 rc=crf mbtree=1 crf=18.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00&#xA;Output #0, mp4, to &#x27;all.mp4&#x27;:&#xA;  Metadata:&#xA;    encoder         : Lavf60.3.100&#xA;  Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv420p(progressive), 960x540 [SAR 1:1 DAR 16:9], q=2-31, 30 fps, 15360 tbn&#xA;    Metadata:&#xA;      encoder         : Lavc60.3.100 libx264&#xA;    Side data:&#xA;      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A&#xA;frame=    0 fps=0.0 q=0.0 size=       0kB time=-577014:32:22.77 bitrate=  -0.0kbits/s speed=N/A    &#xA;frame=   32 fps=0.0 q=24.0 size=       0kB time=00:00:01.00 bitrate=   0.3kbits/s speed=1.94x    &#xA;frame=   87 fps= 84 q=24.0 size=       0kB time=00:00:02.83 bitrate=   0.1kbits/s speed=2.75x    &#xA;frame=  164 fps=107 q=24.0 size=       0kB time=00:00:05.40 bitrate=   0.1kbits/s speed=3.52x    &#xA;frame=  812 fps=399 q=24.0 size=     512kB time=00:00:26.96 bitrate= 155.5kbits/s speed=13.3x    &#xA;frame= 1821 fps=718 q=24.0 size=     512kB time=00:01:00.60 bitrate=  69.2kbits/s speed=23.9x    &#xA;frame= 2469 fps=813 q=24.0 size=     512kB time=00:01:22.23 bitrate=  51.0kbits/s speed=27.1x    &#xA;frame= 3421 fps=967 q=24.0 size=     512kB time=00:01:53.96 bitrate=  36.8kbits/s speed=32.2x    &#xA;frame= 4522 fps=1120 q=24.0 size=     768kB time=00:02:30.63 bitrate=  41.8kbits/s speed=37.3x    &#xA;frame= 5070 fps=1184 q=-1.0 Lsize=     812kB time=00:02:48.90 bitrate=  39.4kbits/s speed=39.5x    &#xA;video:769kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 5.626653%&#xA;[libx264 @ 0x138e09080] frame I:21    Avg QP: 2.73  size:  3710&#xA;[libx264 @ 0x138e09080] frame P:1305  Avg QP: 6.83  size:   449&#xA;[libx264 @ 0x138e09080] frame B:3744  Avg QP: 9.07  size:    33&#xA;[libx264 @ 0x138e09080] consecutive B-frames:  1.1%  1.4%  0.0% 97.5%&#xA;[libx264 @ 0x138e09080] mb I  I16..4: 95.4%  0.7%  3.8%&#xA;[libx264 @ 0x138e09080] mb P  I16..4:  0.1%  0.3%  0.1%  P16..4:  2.3%  0.2%  0.1%  0.0%  0.0%    skip:97.0%&#xA;[libx264 @ 0x138e09080] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.1%  0.0%  0.0%  direct: 0.1%  skip:99.8%  L0:70.9% L1:27.3% BI: 1.8%&#xA;[libx264 @ 0x138e09080] 8x8 transform intra:13.8% inter:71.9%&#xA;[libx264 @ 0x138e09080] coded y,uvDC,uvAC intra: 19.1% 12.6% 5.2% inter: 0.3% 0.5% 0.0%&#xA;[libx264 @ 0x138e09080] i16 v,h,dc,p: 94%  2%  4%  1%&#xA;[libx264 @ 0x138e09080] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu:  7% 41% 22%  2%  6%  2%  9%  3%  8%&#xA;[libx264 @ 0x138e09080] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 11% 32% 16%  2% 11%  4% 12%  3%  8%&#xA;[libx264 @ 0x138e09080] i8c dc,h,v,p: 88%  9%  2%  1%&#xA;[libx264 @ 0x138e09080] Weighted P-Frames: Y:1.6% UV:1.6%&#xA;[libx264 @ 0x138e09080] kb/s:37.25&#xA;

    &#xA;

  • Sporadic "Error parsing Cues... Operation not permitted" errors when trying to generate a DASH manifest

    22 novembre 2023, par kshetline

    I have already-generated .webm audio and video files (1 audio, 3 video resolutions for each video I want to stream). The video has been generated not (directly) by ffmpeg, but HandbrakeCLI 1.7.0, with V9 encoding. The audio (which has never caused an error) is generated by ffmpeg using libvorbis.

    &#xA;

    Most of the time ffmpeg (version 6.1) creates a manifest without any problem. Sporadically, however, "Error parsing Cues" comes up (frequently with the latest videos I've been trying to process) and I can't create a manifest. Since this is happening during an automated process to process many videos for streaming, the audio and video sources are being created exactly the same way whether ffmpeg succeeds or fails in generating a manifest, making this all the more confusing.

    &#xA;

    The video files ffmpeg chokes on play perfectly well using VLC, and mediainfo doesn't show any problems with these files.

    &#xA;

    Here's the way I've been (sometimes successfully, sometimes not) generating a manifest, with extra logging added :

    &#xA;

    ffmpeg -v 9 -loglevel 99 \&#xA;  -f webm_dash_manifest -i &#x27;.\Sample Video.v480.webm&#x27; \&#xA;  -f webm_dash_manifest -i &#x27;.\Sample Video.v720.webm&#x27; \&#xA;  -f webm_dash_manifest -i &#x27;.\Sample Video.v1080.webm&#x27; \&#xA;  -f webm_dash_manifest -i &#x27;.\Sample Video.audio.webm&#x27; \&#xA;  -c copy -map 0 -map 1 -map 2 -map 3 \&#xA;  -f webm_dash_manifest -adaptation_sets "id=0,streams=0,1,2 id=1,streams=3" \&#xA;  &#x27;.\Sample Video.mpd&#x27;&#xA;

    &#xA;

    Here's the result when it fails :

    &#xA;

    ffmpeg version 6.1-full_build-www.gyan.dev Copyright (c) 2000-2023 the FFmpeg developers&#xA;  built with gcc 12.2.0 (Rev10, Built by MSYS2 project)&#xA;  configuration: --enable-gpl --enable-version3 --enable-static --pkg-config=pkgconf --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-libaribcaption --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-libharfbuzz --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-dxva2 --enable-d3d11va --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-libcodec2 --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&#xA;  libavutil      58. 29.100 / 58. 29.100&#xA;  libavcodec     60. 31.102 / 60. 31.102&#xA;  libavformat    60. 16.100 / 60. 16.100&#xA;  libavdevice    60.  3.100 / 60.  3.100&#xA;  libavfilter     9. 12.100 /  9. 12.100&#xA;  libswscale      7.  5.100 /  7.  5.100&#xA;  libswresample   4. 12.100 /  4. 12.100&#xA;  libpostproc    57.  3.100 / 57.  3.100&#xA;Splitting the commandline.&#xA;Reading option &#x27;-v&#x27; ... matched as option &#x27;v&#x27; (set logging level) with argument &#x27;9&#x27;.&#xA;Reading option &#x27;-loglevel&#x27; ... matched as option &#x27;loglevel&#x27; (set logging level) with argument &#x27;99&#x27;.&#xA;Reading option &#x27;-f&#x27; ... matched as option &#x27;f&#x27; (force format) with argument &#x27;webm_dash_manifest&#x27;.&#xA;Reading option &#x27;-i&#x27; ... matched as output url with argument &#x27;.\Sample Video.v480.webm&#x27;.&#xA;Reading option &#x27;-f&#x27; ... matched as option &#x27;f&#x27; (force format) with argument &#x27;webm_dash_manifest&#x27;.&#xA;Reading option &#x27;-i&#x27; ... matched as output url with argument &#x27;.\Sample Video.v720.webm&#x27;.&#xA;Reading option &#x27;-f&#x27; ... matched as option &#x27;f&#x27; (force format) with argument &#x27;webm_dash_manifest&#x27;.&#xA;Reading option &#x27;-i&#x27; ... matched as output url with argument &#x27;.\Sample Video.v1080.webm&#x27;.&#xA;Reading option &#x27;-f&#x27; ... matched as option &#x27;f&#x27; (force format) with argument &#x27;webm_dash_manifest&#x27;.&#xA;Reading option &#x27;-i&#x27; ... matched as output url with argument &#x27;.\Sample Video.audio.webm&#x27;.&#xA;Reading option &#x27;-c&#x27; ... matched as option &#x27;c&#x27; (codec name) with argument &#x27;copy&#x27;.&#xA;Reading option &#x27;-map&#x27; ... matched as option &#x27;map&#x27; (set input stream mapping) with argument &#x27;0&#x27;.&#xA;Reading option &#x27;-map&#x27; ... matched as option &#x27;map&#x27; (set input stream mapping) with argument &#x27;1&#x27;.&#xA;Reading option &#x27;-map&#x27; ... matched as option &#x27;map&#x27; (set input stream mapping) with argument &#x27;2&#x27;.&#xA;Reading option &#x27;-map&#x27; ... matched as option &#x27;map&#x27; (set input stream mapping) with argument &#x27;3&#x27;.&#xA;Reading option &#x27;-f&#x27; ... matched as option &#x27;f&#x27; (force format) with argument &#x27;webm_dash_manifest&#x27;.&#xA;Reading option &#x27;-adaptation_sets&#x27; ... matched as AVOption &#x27;adaptation_sets&#x27; with argument &#x27;id=0,streams=0,1,2 id=1,streams=3&#x27;.&#xA;Reading option &#x27;.\Sample Video.mpd&#x27; ... matched as output url.&#xA;Finished splitting the commandline.&#xA;Parsing a group of options: global .&#xA;Applying option v (set logging level) with argument 9.&#xA;Successfully parsed a group of options.&#xA;Parsing a group of options: input url .\Sample Video.v480.webm.&#xA;Applying option f (force format) with argument webm_dash_manifest.&#xA;Successfully parsed a group of options.&#xA;Opening an input file: .\Sample Video.v480.webm.&#xA;[webm_dash_manifest @ 000002bbcb41dc80] Opening &#x27;.\Sample Video.v480.webm&#x27; for reading&#xA;[file @ 000002bbcb41e300] Setting default whitelist &#x27;file,crypto,data&#x27;&#xA;st:0 removing common factor 1000000 from timebase&#xA;[webm_dash_manifest @ 000002bbcb41dc80] Error parsing Cues&#xA;[AVIOContext @ 000002bbcb41e5c0] Statistics: 102283 bytes read, 4 seeks&#xA;[in#0 @ 000002bbcb41dac0] Error opening input: Operation not permitted&#xA;Error opening input file .\Sample Video.v480.webm.&#xA;Error opening input files: Operation not permitted&#xA;

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    This is mediainfo for the offending input file, Sample Video.v480.webm :

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    General&#xA;Complete name                            : .\Sample Video.v480.webm&#xA;Format                                   : WebM&#xA;Format version                           : Version 2&#xA;File size                                : 628 MiB&#xA;Duration                                 : 1 h 34 min&#xA;Overall bit rate                         : 926 kb/s&#xA;Frame rate                               : 23.976 FPS&#xA;Encoded date                             : 2023-11-21 16:48:35 UTC&#xA;Writing application                      : HandBrake 1.7.0 2023111500&#xA;Writing library                          : Lavf60.16.100&#xA;&#xA;Video&#xA;ID                                       : 1&#xA;Format                                   : VP9&#xA;Format profile                           : 0&#xA;Codec ID                                 : V_VP9&#xA;Duration                                 : 1 h 34 min&#xA;Bit rate                                 : 882 kb/s&#xA;Width                                    : 720 pixels&#xA;Height                                   : 480 pixels&#xA;Display aspect ratio                     : 16:9&#xA;Frame rate mode                          : Constant&#xA;Frame rate                               : 23.976 (24000/1001) FPS&#xA;Color space                              : YUV&#xA;Chroma subsampling                       : 4:2:0&#xA;Bit depth                                : 8 bits&#xA;Bits/(Pixel*Frame)                       : 0.106&#xA;Stream size                              : 598 MiB (95%)&#xA;Default                                  : Yes&#xA;Forced                                   : No&#xA;Color range                              : Limited&#xA;Color primaries                          : BT.709&#xA;Transfer characteristics                 : BT.709&#xA;Matrix coefficients                      : BT.709&#xA;

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    I don't know if I need different command line options, or whether this might be an ffmpeg or Handbrake bug. It has taken many, many hours to generate these video files (VP9 is painfully slow to encode), so I hate to do a lot of this over again, especially doing it again encoding the video with ffmpeg instead of Handbrake, as Handbrake is (oddly enough, considering it uses ffmpeg under the hood) noticeably faster.

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    I have no idea what these "Cues" are that ffmpeg wants and can't parse, or how I would change them.

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