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  • Personnaliser les catégories

    21 juin 2013, par

    Formulaire de création d’une catégorie
    Pour ceux qui connaissent bien SPIP, une catégorie peut être assimilée à une rubrique.
    Dans le cas d’un document de type catégorie, les champs proposés par défaut sont : Texte
    On peut modifier ce formulaire dans la partie :
    Administration > Configuration des masques de formulaire.
    Dans le cas d’un document de type média, les champs non affichés par défaut sont : Descriptif rapide
    Par ailleurs, c’est dans cette partie configuration qu’on peut indiquer le (...)

  • Le plugin : Podcasts.

    14 juillet 2010, par

    Le problème du podcasting est à nouveau un problème révélateur de la normalisation des transports de données sur Internet.
    Deux formats intéressants existent : Celui développé par Apple, très axé sur l’utilisation d’iTunes dont la SPEC est ici ; Le format "Media RSS Module" qui est plus "libre" notamment soutenu par Yahoo et le logiciel Miro ;
    Types de fichiers supportés dans les flux
    Le format d’Apple n’autorise que les formats suivants dans ses flux : .mp3 audio/mpeg .m4a audio/x-m4a .mp4 (...)

  • Selection of projects using MediaSPIP

    2 mai 2011, par

    The examples below are representative elements of MediaSPIP specific uses for specific projects.
    MediaSPIP farm @ Infini
    The non profit organizationInfini develops hospitality activities, internet access point, training, realizing innovative projects in the field of information and communication technologies and Communication, and hosting of websites. It plays a unique and prominent role in the Brest (France) area, at the national level, among the half-dozen such association. Its members (...)

Sur d’autres sites (4270)

  • ffmpeg drops time delay on last frame of animated GIF

    13 août 2014, par Austin

    I am trying to convert animated GIFs to MP4 files using ffmpeg and x264. However, I seem be suffering from the effects of this bug in ffmpeg that causes the delay time of the last frame of the GIF to be ignored. For very short GIFs, this is quite a problem.

    As a work around, I was thinking that I should be able to manually tell ffmpeg to freeze on the last frame for a certain amount of time, specifically the proper duration of that frame (which I can extract from the GIF). However, I can’t seem to find a good way to do this. Any suggestions ? I would really like to be able to do this without having to split to the GIF into frames before putting it into ffmpeg since that will mess up GIFs with a non-constant framerate (in addition to being much slower).

    I am using ffmpeg version 2.3, though I have also tried this with the latest git code without any improvement. The full ffmpeg commands I’m using look like this :

    ffmpeg -i animation.gif -vf "scale=trunc(in_w/2)*2:trunc(in_h/2)*2" -c:v libx264 -b:v 2000k -y -pix_fmt yuv420p -f mp4 animation.mp4

    Here is some console output :

    ffmpeg version 2.3 Copyright (c) 2000-2014 the FFmpeg developers
    
  built on Aug 11 2014 21:19:46 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
    
  configuration: --enable-gpl --enable-libass --enable-libfreetype --enable-libtheora --enable-libvorbis --enable-libx264
    
  libavutil      52. 92.100 / 52. 92.100
    
  libavcodec     55. 69.100 / 55. 69.100
    
  libavformat    55. 48.100 / 55. 48.100
    
  libavdevice    55. 13.102 / 55. 13.102
    
  libavfilter     4. 11.100 /  4. 11.100
    
  libswscale      2.  6.100 /  2.  6.100
    
  libswresample   0. 19.100 /  0. 19.100
    
  libpostproc    52.  3.100 / 52.  3.100
    
Input #0, gif, from 'animation.gif':
    
  Duration: N/A, bitrate: N/A
    
    Stream #0:0: Video: gif, bgra, 500x375, 100 tbr, 100 tbn, 100 tbc
    
[libx264 @ 0x239ea00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    
[libx264 @ 0x239ea00] profile High, level 3.1
    
[libx264 @ 0x239ea00] 264 - core 142 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=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 chroma_qp_offset=-2 threads=6 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=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=2000 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    
Output #0, mp4, to 'animation.mp4':
    
  Metadata:
    
    encoder         : Lavf55.48.100
    
    Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 500x374, q=-1--1, 2000 kb/s, 100 fps, 12800 tbn, 100 tbc
    
    Metadata:
    
      encoder         : Lavc55.69.100 libx264
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (gif (native) -> h264 (libx264))
    
Press [q] to stop, [?] for help
    
frame=    7 fps=0.0 q=-1.0 Lsize=       7kB time=00:00:00.05 bitrate=1222.1kbits/s dup=5 drop=0    
    
video:7kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 13.542441%
    
[libx264 @ 0x239ea00] frame I:1     Avg QP:34.86  size:  3657
    
[libx264 @ 0x239ea00] frame P:3     Avg QP:30.86  size:   744
    
[libx264 @ 0x239ea00] frame B:3     Avg QP:33.33  size:    49
    
[libx264 @ 0x239ea00] consecutive B-frames: 42.9%  0.0%  0.0% 57.1%
    
[libx264 @ 0x239ea00] mb I  I16..4: 10.2% 78.3% 11.6%
    
[libx264 @ 0x239ea00] mb P  I16..4:  1.2%  5.0%  0.8%  P16..4: 11.7%  3.3%  1.2%  0.0%  0.0%    skip:76.8%
    
[libx264 @ 0x239ea00] mb B  I16..4:  0.0%  0.1%  0.0%  B16..8:  3.7%  0.0%  0.0%  direct: 0.0%  skip:96.2%  L0:23.5% L1:76.5% BI: 0.0%
    
[libx264 @ 0x239ea00] final ratefactor: 20.31
    
[libx264 @ 0x239ea00] 8x8 transform intra:77.0% inter:79.4%
    
[libx264 @ 0x239ea00] coded y,uvDC,uvAC intra: 39.5% 0.0% 0.0% inter: 2.7% 0.0% 0.0%
    
[libx264 @ 0x239ea00] i16 v,h,dc,p: 38% 27%  7% 28%
    
[libx264 @ 0x239ea00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 35% 12% 13%  7%  6% 10%  4%  8%  5%
    
[libx264 @ 0x239ea00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 38% 11% 14%  5%  8% 10%  5%  7%  2%
    
[libx264 @ 0x239ea00] i8c dc,h,v,p: 100%  0%  0%  0%
    
[libx264 @ 0x239ea00] Weighted P-Frames: Y:0.0% UV:0.0%
    
[libx264 @ 0x239ea00] ref P L0: 99.1%  0.7%  0.3%
    
[libx264 @ 0x239ea00] ref B L0: 85.0% 15.0%
    
[libx264 @ 0x239ea00] ref B L1: 95.4%  4.6%
    
[libx264 @ 0x239ea00] kb/s:689.83

  • FFmpeg | subtitles with ass format

    26 octobre 2018, par Praveen Tamil

    I would like to generate subtitles with dynamic font

    [Script Info]
    
ScriptType: v4.00+
    
PlayResX: 1280
    
PlayResY: 720
    
Title: WoFox
    

    
[V4+ Styles]
    
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
    
Style: Default,Arial,30,&Hffffff,&Hffffff,&H0000FF,&H0000FF,0,0,0,0,100,100,5,0,3,1,0,3,10,10,10,1
    
Style: Default1,/home/nodeuser8/tmp/CharmonmanRegular.ttf,40,&Hffffff,&Hffffff,&H0000FF,&H0000FF,0,0,0,0,100,100,5,0,3,1,0,3,10,10,10,1
    

    
[Events]
    
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
    
Dialogue: 0,00:00:00.0,00:00:03.0,Default,,0,0,0,,My first subtitle! Click this text to edit
    
Dialogue: 0,00:00:00.0,00:00:03.0,Default1,,0,0,0,,This box shows the amount of text that fits into one caption. As you change the style of the captions, you can preview how

    And my ffmpeg code is

    ffmpeg -i ./tmp/source.mp4 -t 5 -filter_complex "ass=filename=./tmp/subtitles.ass" ./t mp/output.mp4 -y

    But I didn’t get out expected output.

    The Console is

    [Parsed_ass_0 @ 0x58680c0] Shaper: FriBidi 1.0.5 (SIMPLE)
    
[Parsed_ass_0 @ 0x58680c0] Using font provider fontconfig
    
[Parsed_ass_0 @ 0x58680c0] Added subtitle file: './tmp/subtitles.ass' (3 styles, 2 events)
    
Stream mapping:
    
  Stream #0:0 (h264) -> ass (graph 0)
    
  ass (graph 0) -> Stream #0:0 (libx264)
    
  Stream #0:1 -> #0:1 (aac (native) -> aac (native))
    
Press [q] to stop, [?] for help
    
[Parsed_ass_0 @ 0x5cd4180] Shaper: FriBidi 1.0.5 (SIMPLE)
    
[Parsed_ass_0 @ 0x5cd4180] Using font provider fontconfig
    
[Parsed_ass_0 @ 0x5cd4180] Added subtitle file: './tmp/subtitles.ass' (3  styles, 2 events)
    
[Parsed_ass_0 @ 0x5cd4180] fontselect: (Arial, 400, 0) -> /usr/share/fonts/liberation/LiberationSans-Regular.ttf, 0, LiberationSans
    
[Parsed_ass_0 @ 0x5cd4180] fontselect: (/home/nodeuser8/tmp/CharmonmanRegular.ttf, 400, 0) -> /usr/share/fonts/dejavu/DejaVuSans.ttf, 0, DejaVuSans
    
[libx264 @ 0x5869880] using SAR=1/1
    
[libx264 @ 0x5869880] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    
[libx264 @ 0x5869880] profile High, level 3.1, 4:2:0, 8-bit
    
[libx264 @ 0x5869880] 264 - core 157 r2935 545de2f - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=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 chroma_qp_offset=-2 threads=6 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=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=15 scenecut=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 './tmp/output.mp4':

    Here I’m trying to load font from /home/nodeuser8/tmp/CharmonmanRegular.ttf but ffmpeg load font from /usr/share/fonts/dejavu/DejaVuSans.ttf.

    So how to load fontfile for ass subtitles ?

  • How to include audio in an overlay ffmpeg command ?

    27 avril 2021, par gilad s

    Using ffmpeg I add a video overlay successfully over an origin video (origin has audio, overlay doesn't). However the audio of the origin video doesn't appear in the result video.

    


      ffmpeg  -i source.mp4 -i overlay.mp4 -filter_complex "[0:v]setpts=PTS-STARTPTS, scale=1280x720[top]; 
  [1:v]setpts=PTS-STARTPTS, scale=1280x720, format=yuva420p, 
  colorchannelmixer=aa=0.2[bottom]; [top][bottom]overlay=shortest=1" 
  -shortest -acodec copy -vcodec libx264 result1.mp4


    


    Even if I execute the following separate command on the result of the previous command - still no audio appears in the new result video.

    


      ffmpeg -i result1.mp4 -i audio.mp3 -c:v copy -c:a aac result2.mp4


    


    Here is the log :

    


    ffmpeg version 4.4 Copyright (c) 2000-2021 the FFmpeg developers
  built with Apple clang version 11.0.0 (clang-1100.0.33.17)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/4.4 --enable-shared --enable-pthreads --enable-version3 --enable-avresample --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-librubberband --enable-libsnappy --enable-libsrt --enable-libtesseract --enable-libtheora --enable-libvidstab --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
  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, mov,mp4,m4a,3gp,3g2,mj2, from 'course/final_video/3008_01_01_01_audio.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.76.100
  Duration: 00:06:01.48, start: 0.000000, bitrate: 215 kb/s
  Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 141 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
      vendor_id       : [0][0][0][0]
  Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 22050 Hz, mono, fltp, 70 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
      vendor_id       : [0][0][0][0]
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'images/overlay.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.76.100
  Duration: 00:24:00.38, start: 0.000000, bitrate: 575 kb/s
  Stream #1:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1280x720 [SAR 1:1 DAR 16:9], 442 kb/s, 24 fps, 24 tbr, 12288 tbn, 48 tbc (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc. Created on: 11/22/2020.
      vendor_id       : [0][0][0][0]
  Stream #1:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 127 kb/s (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc. Created on: 11/22/2020.
      vendor_id       : [0][0][0][0]
Stream mapping:
  Stream #0:0 (h264) -> setpts
  Stream #1:0 (h264) -> setpts
  overlay -> Stream #0:0 (libx264)
  Stream #1:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
[swscaler @ 0x10c590000] No accelerated colorspace conversion found from yuva420p to argb.
[libx264 @ 0x7fc532813200] using SAR=1/1
[libx264 @ 0x7fc532813200] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x7fc532813200] profile High, level 3.1, 4:2:0, 8-bit
[libx264 @ 0x7fc532813200] 264 - core 161 r3049 55d517b - H.264/MPEG-4 AVC codec - Copyleft 2003-2021 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=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 chroma_qp_offset=-2 threads=6 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=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=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 'course/final_video/3008_01_01_01_overlay.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.76.100
  Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 25 fps, 12800 tbn (default)
    Metadata:
      encoder         : Lavc58.134.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
  Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 127 kb/s (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc. Created on: 11/22/2020.
      vendor_id       : [0][0][0][0]

Stream mapping:
  Stream #0:0 (h264) -> setpts
  Stream #1:0 (h264) -> setpts
  overlay -> Stream #0:0 (libx264)
  Stream #1:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
[swscaler @ 0x10c590000] No accelerated colorspace conversion found from yuva420p to argb.
[libx264 @ 0x7fc532813200] using SAR=1/1
[libx264 @ 0x7fc532813200] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x7fc532813200] profile High, level 3.1, 4:2:0, 8-bit
[libx264 @ 0x7fc532813200] 264 - core 161 r3049 55d517b - H.264/MPEG-4 AVC codec - Copyleft 2003-2021 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=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 chroma_qp_offset=-2 threads=6 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=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=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 'course/final_video/3008_01_01_01_overlay.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.76.100
  Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 25 fps, 12800 tbn (default)
    Metadata:
      encoder         : Lavc58.134.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
  Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 127 kb/s (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc. Created on: 11/22/2020.
      vendor_id       : [0][0][0][0]
frame= 9037 fps= 32 q=-1.0 Lsize=   20954kB time=00:06:01.62 bitrate= 474.7kbits/s speed=1.26x    
video:15006kB audio:5651kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.439596%
[libx264 @ 0x7fc532813200] frame I:37    Avg QP:14.51  size:123799
[libx264 @ 0x7fc532813200] frame P:2277  Avg QP:16.97  size:  3221
[libx264 @ 0x7fc532813200] frame B:6723  Avg QP:24.31  size:   513
[libx264 @ 0x7fc532813200] consecutive B-frames:  0.8%  0.0%  0.0% 99.2%
[libx264 @ 0x7fc532813200] mb I  I16..4:  8.3% 64.9% 26.9%
[libx264 @ 0x7fc532813200] mb P  I16..4:  0.5%  1.1%  0.2%  P16..4: 16.1%  3.1%  2.3%  0.0%  0.0%    skip:76.7%
[libx264 @ 0x7fc532813200] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8: 10.5%  0.1%  0.0%  direct: 0.2%  skip:89.2%  L0:45.2% L1:54.7% BI: 0.1%
[libx264 @ 0x7fc532813200] 8x8 transform intra:63.6% inter:83.0%
[libx264 @ 0x7fc532813200] coded y,uvDC,uvAC intra: 56.4% 61.0% 42.7% inter: 1.9% 1.9% 0.0%
[libx264 @ 0x7fc532813200] i16 v,h,dc,p: 29% 18% 18% 35%
[libx264 @ 0x7fc532813200] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 24% 19% 31%  4%  4%  4%  4%  5%  5%
[libx264 @ 0x7fc532813200] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 22% 15%  4%  5%  6%  5%  5%  5%
[libx264 @ 0x7fc532813200] i8c dc,h,v,p: 51% 29% 14%  6%
[libx264 @ 0x7fc532813200] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x7fc532813200] ref P L0: 66.0%  6.9% 17.0% 10.1%
[libx264 @ 0x7fc532813200] ref B L0: 77.2% 20.6%  2.2%
[libx264 @ 0x7fc532813200] ref B L1: 90.2%  9.8%
[libx264 @ 0x7fc532813200] kb/s:340.06


    


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