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  • Participer à sa traduction

    10 avril 2011

    Vous pouvez nous aider à améliorer les locutions utilisées dans le logiciel ou à traduire celui-ci dans n’importe qu’elle nouvelle langue permettant sa diffusion à de nouvelles communautés linguistiques.
    Pour ce faire, on utilise l’interface de traduction de SPIP où l’ensemble des modules de langue de MediaSPIP sont à disposition. ll vous suffit de vous inscrire sur la liste de discussion des traducteurs pour demander plus d’informations.
    Actuellement MediaSPIP n’est disponible qu’en français et (...)

  • (Dés)Activation de fonctionnalités (plugins)

    18 février 2011, par

    Pour gérer l’ajout et la suppression de fonctionnalités supplémentaires (ou plugins), MediaSPIP utilise à partir de la version 0.2 SVP.
    SVP permet l’activation facile de plugins depuis l’espace de configuration de MediaSPIP.
    Pour y accéder, il suffit de se rendre dans l’espace de configuration puis de se rendre sur la page "Gestion des plugins".
    MediaSPIP est fourni par défaut avec l’ensemble des plugins dits "compatibles", ils ont été testés et intégrés afin de fonctionner parfaitement avec chaque (...)

  • Activation de l’inscription des visiteurs

    12 avril 2011, par

    Il est également possible d’activer l’inscription des visiteurs ce qui permettra à tout un chacun d’ouvrir soit même un compte sur le canal en question dans le cadre de projets ouverts par exemple.
    Pour ce faire, il suffit d’aller dans l’espace de configuration du site en choisissant le sous menus "Gestion des utilisateurs". Le premier formulaire visible correspond à cette fonctionnalité.
    Par défaut, MediaSPIP a créé lors de son initialisation un élément de menu dans le menu du haut de la page menant (...)

Sur d’autres sites (8611)

  • Merge commit 'bd6496fa07e32fd09ceb79404f9af43df959bcb2'

    5 mai 2017, par Clément Bœsch
    Merge commit 'bd6496fa07e32fd09ceb79404f9af43df959bcb2'

    * commit 'bd6496fa07e32fd09ceb79404f9af43df959bcb2' :
    
  interplayvideo : Convert to the new bitstream reader
    
  adx : Convert to the new bitstream reader
    
  dvbsubdec : Convert to the new bitstream reader
    
  motionpixels : Convert to the new bitstream reader
    

    This merge is a noop, see
    
http://ffmpeg.org/pipermail/ffmpeg-devel/2017-April/209609.html
    

    Merged-by : Clément Bœsch <u@pkh.me>

  • FFmpeg retrieve a specific program from TS file

    8 mai 2017, par chang jc

    I tried to retrieve a specific program from a TS file.
    Said :

    Input #0, mpegts, from 'DVB_T_good.ts':
    
  Duration: 00:00:48.04, start: 55045.888000, bitrate: 14521 kb/s
    
  Program 300 
    
    Metadata:
    
      service_name    : ?l?��}�TS�
    
      service_provider: ?l?��
    
    Stream #0:0[0xbb9]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, top first), 704x480 [SAR 10:11 DAR 4:3], 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    
    Stream #0:1[0xbba]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 128 kb/s
    
    Stream #0:2[0xbbb]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 128 kb/s
    
  Program 301 
    
    Metadata:
    
      service_name    : ?l?��N��?S�
    
      service_provider: ?l?��
    
    Stream #0:3[0xbc3]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, top first), 704x480 [SAR 10:11 DAR 4:3], 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    
    Stream #0:9[0xbc4]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 128 kb/s
    
    Stream #0:10[0xbc5]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 128 kb/s
    
  Program 302 
    
    Metadata:
    
      service_name    : ?l?��e��^S�
    
      service_provider: ?l?��
    
    Stream #0:5[0xbcd]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, top first), 704x480 [SAR 10:11 DAR 4:3], 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    
    Stream #0:6[0xbce]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 128 kb/s
    
  Program 304 
    
    Metadata:
    
      service_name    : ?l?��S�pcS�
    
      service_provider: ?l?��
    
    Stream #0:4[0xbe1]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(tv, bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], 29.97 fps, 59.94 tbr, 90k tbn, 59.94 tbc
    
    Stream #0:7[0xbe2]: Audio: aac_latm (HE-AAC) ([17][0][0][0] / 0x0011), 48000 Hz, stereo, fltp
    
    Stream #0:8[0xbe3]: Audio: aac_latm (HE-AAC) ([17][0][0][0] / 0x0011), 48000 Hz, stereo, fltp

    Then I tried to retrieve a specific program as :

    ffmpeg -i INPUT -map 0:p:1344 OUTPUT

    It succeeds greatly but the only thing I noticed is :

    it seems to apply transcode (decode & encode again) to the output implicitely ?

    ffmpeg version N-85693-g8de3458 Copyright (c) 2000-2017 the FFmpeg developers
    
  built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.4) 20160609
    
  configuration: --prefix=/home/john/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/home/john/ffmpeg_build/include --extra-ldflags=-L/home/john/ffmpeg_build/lib --bindir=/home/john/bin --enable-gpl --enable-libfreetype --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree --disable-ffplay --disable-ffserver --disable-doc --disable-libopus
    
  libavutil      55. 61.100 / 55. 61.100
    
  libavcodec     57. 93.100 / 57. 93.100
    
  libavformat    57. 72.101 / 57. 72.101
    
  libavdevice    57.  7.100 / 57.  7.100
    
  libavfilter     6. 87.100 /  6. 87.100
    
  libswscale      4.  7.101 /  4.  7.101
    
  libswresample   2.  8.100 /  2.  8.100
    
  libpostproc    54.  6.100 / 54.  6.100
    
[NULL @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[NULL @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] decode_slice_header error
    
[h264 @ 0x33eb3a0] no frame!
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] decode_slice_header error
    
[h264 @ 0x33eb3a0] no frame!
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] decode_slice_header error
    
[h264 @ 0x33eb3a0] no frame!
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] decode_slice_header error
    
[h264 @ 0x33eb3a0] no frame!
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] decode_slice_header error
    
[h264 @ 0x33eb3a0] no frame!
    
[mpeg2video @ 0x33ec540] Invalid frame dimensions 0x0.
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] decode_slice_header error
    
[h264 @ 0x33eb3a0] no frame!
    
[mpeg2video @ 0x33ea200] Invalid frame dimensions 0x0.
    
    Last message repeated 1 times
    
[mpeg2video @ 0x33b7680] Invalid frame dimensions 0x0.
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] decode_slice_header error
    
[h264 @ 0x33eb3a0] no frame!
    
[mpeg2video @ 0x33ea200] Invalid frame dimensions 0x0.
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] decode_slice_header error
    
[h264 @ 0x33eb3a0] no frame!
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] decode_slice_header error
    
[h264 @ 0x33eb3a0] no frame!
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] decode_slice_header error
    
[h264 @ 0x33eb3a0] no frame!
    
[mpeg2video @ 0x33ec540] Invalid frame dimensions 0x0.
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] decode_slice_header error
    
[h264 @ 0x33eb3a0] no frame!
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] decode_slice_header error
    
[h264 @ 0x33eb3a0] no frame!
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] decode_slice_header error
    
[h264 @ 0x33eb3a0] no frame!
    
[mpeg2video @ 0x33ec540] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33b7680] Invalid frame dimensions 0x0.
    
    Last message repeated 1 times
    
[mpeg2video @ 0x33ec540] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33ea200] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33b7680] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33ea200] Invalid frame dimensions 0x0.
    
    Last message repeated 1 times
    
[mpeg2video @ 0x33ec540] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33b7680] Invalid frame dimensions 0x0.
    
    Last message repeated 1 times
    
[mpeg2video @ 0x33ec540] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33ea200] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33b7680] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33ec540] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33ea200] Invalid frame dimensions 0x0.
    
    Last message repeated 1 times
    
[mpeg2video @ 0x33b7680] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33ec540] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33b7680] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33ec540] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33b7680] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33ec540] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33b7680] Invalid frame dimensions 0x0.
    
    Last message repeated 1 times
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] SPS unavailable in decode_picture_timing
    
[h264 @ 0x33eb3a0] non-existing PPS 0 referenced
    
[h264 @ 0x33eb3a0] decode_slice_header error
    
[h264 @ 0x33eb3a0] no frame!
    
[mpeg2video @ 0x33ec540] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33b7680] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33ec540] Invalid frame dimensions 0x0.
    
    Last message repeated 1 times
    
[mpeg2video @ 0x33ea200] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33b7680] Invalid frame dimensions 0x0.
    
    Last message repeated 2 times
    
[mpeg2video @ 0x33ec540] Invalid frame dimensions 0x0.
    
[mpeg2video @ 0x33b7680] Invalid frame dimensions 0x0.
    
[mpegts @ 0x33af360] PES packet size mismatch
    
    Last message repeated 9 times
    
Input #0, mpegts, from 'DVB_T_good.ts':
    
  Duration: 00:00:48.04, start: 55045.888000, bitrate: 14521 kb/s
    
  Program 300 
    
    Metadata:
    
      service_name    : ?l?��}�TS�
    
      service_provider: ?l?��
    
    Stream #0:0[0xbb9]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, top first), 704x480 [SAR 10:11 DAR 4:3], 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    
    Stream #0:1[0xbba]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 128 kb/s
    
    Stream #0:2[0xbbb]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 128 kb/s
    
  Program 301 
    
    Metadata:
    
      service_name    : ?l?��N��?S�
    
      service_provider: ?l?��
    
    Stream #0:3[0xbc3]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, top first), 704x480 [SAR 10:11 DAR 4:3], 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    
    Stream #0:9[0xbc4]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 128 kb/s
    
    Stream #0:10[0xbc5]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 128 kb/s
    
  Program 302 
    
    Metadata:
    
      service_name    : ?l?��e��^S�
    
      service_provider: ?l?��
    
    Stream #0:5[0xbcd]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, top first), 704x480 [SAR 10:11 DAR 4:3], 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    
    Stream #0:6[0xbce]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 128 kb/s
    
  Program 304 
    
    Metadata:
    
      service_name    : ?l?��S�pcS�
    
      service_provider: ?l?��
    
    Stream #0:4[0xbe1]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(tv, bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], 29.97 fps, 59.94 tbr, 90k tbn, 59.94 tbc
    
    Stream #0:7[0xbe2]: Audio: aac_latm (HE-AAC) ([17][0][0][0] / 0x0011), 48000 Hz, stereo, fltp
    
    Stream #0:8[0xbe3]: Audio: aac_latm (HE-AAC) ([17][0][0][0] / 0x0011), 48000 Hz, stereo, fltp
    
map 0:p:304
    
File '304_1800.ts' already exists. Overwrite ? [y/N] y
    
Stream mapping:
    
  Stream #0:4 -> #0:0 (h264 (native) -> mpeg2video (native))
    
  Stream #0:7 -> #0:1 (aac_latm (native) -> mp2 (native))
    
  Stream #0:8 -> #0:2 (aac_latm (native) -> mp2 (native))
    
Press [q] to stop, [?] for help
    
[h264 @ 0x33d6d20] mmco: unref short failure
    
    Last message repeated 1 times
    
[h264 @ 0x33d6d20] number of reference frames (0+5) exceeds max (4; probably corrupt input), discarding one
    
[h264 @ 0x33d6d20] reference picture missing during reorder
    
[h264 @ 0x33d6d20] Missing reference picture, default is 65784
    
[h264 @ 0x33d6d20] reference picture missing during reorder
    
[h264 @ 0x33d6d20] Missing reference picture, default is 65785
    
Output #0, mpegts, to '304_1800.ts':
    
  Metadata:
    
    encoder         : Lavf57.72.101
    
    Stream #0:0: Video: mpeg2video (Main), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 29.97 fps, 90k tbn, 29.97 tbc
    
    Metadata:
    
      encoder         : Lavc57.93.100 mpeg2video
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
    
    Stream #0:1: Audio: mp2, 48000 Hz, stereo, s16, 384 kb/s
    
    Metadata:
    
      encoder         : Lavc57.93.100 mp2
    
    Stream #0:2: Audio: mp2, 48000 Hz, stereo, s16, 384 kb/s
    
    Metadata:
    
      encoder         : Lavc57.93.100 mp2
    
[h264 @ 0x33d6d20] mmco: unref short failureime=00:00:44.34 bitrate=3506.2kbits/s speed=1.43x    
    
    Last message repeated 1 times
    
[h264 @ 0x33d6d20] number of reference frames (0+5) exceeds max (4; probably corrupt input), discarding one
    
[mpegts @ 0x33af360] PES packet size mismatch
    
[aac_latm @ 0x3587360] Number of bands (59) exceeds limit (45).
    
Error while decoding stream #0:7: Invalid data found when processing input
    
    Last message repeated 1 times
    
[h264 @ 0x33d6d20] mmco: unref short failure
    
    Last message repeated 1 times
    
[h264 @ 0x33d6d20] number of reference frames (0+5) exceeds max (4; probably corrupt input), discarding one
    
[h264 @ 0x33d6d20] mmco: unref short failureime=00:00:45.05 bitrate=3491.2kbits/s speed=1.43x    
    
    Last message repeated 1 times
    
[h264 @ 0x33d6d20] number of reference frames (0+5) exceeds max (4; probably corrupt input), discarding one
    
[h264 @ 0x33d6d20] mmco: unref short failure
    
    Last message repeated 1 times
    
[h264 @ 0x33d6d20] number of reference frames (0+5) exceeds max (4; probably corrupt input), discarding one
    
[mpegts @ 0x33af360] PES packet size mismatchme=00:00:47.74 bitrate=3470.1kbits/s speed=1.43x    
    
    Last message repeated 1 times
    
[h264 @ 0x33d6d20] error while decoding MB 97 35, bytestream -12
    
Error while decoding stream #0:7: Invalid data found when processing input
    
Error while decoding stream #0:8: Invalid data found when processing input
    
frame= 1404 fps= 42 q=31.0 Lsize=   20396kB time=00:00:47.88 bitrate=3489.5kbits/s speed=1.42x    
    
video:14144kB audio:4429kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 9.813825%

    You could notice by following message :

    **

    Output #0, mpegts, to '304_1800.ts':
    
  Metadata:
    
    encoder         : Lavf57.72.101
    
    Stream #0:0: Video: mpeg2video (Main), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 29.97 fps, 90k tbn, 29.97 tbc
    
    Metadata:
    
      encoder         : Lavc57.93.100 mpeg2video
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
    
    Stream #0:1: Audio: mp2, 48000 Hz, stereo, s16, 384 kb/s
    
    Metadata:
    
      encoder         : Lavc57.93.100 mp2
    
    Stream #0:2: Audio: mp2, 48000 Hz, stereo, s16, 384 kb/s
    
    Metadata:
    
      encoder         : Lavc57.93.100 mp2

    **

    If so, could I avoid the transcoding by command ? Or it is a necessary ?
    It it is a need, WHY ?

  • Merge commit '1202b712690c14f0efb06e4ad8b06c5b3df6822a'

    11 mai 2017, par James Almer
    Merge commit '1202b712690c14f0efb06e4ad8b06c5b3df6822a'

    * commit '1202b712690c14f0efb06e4ad8b06c5b3df6822a' :
    
  theora : export cropping information instead of handling it internally
    
  h264dec : export cropping information instead of handling it internally
    
  h264dec : be more explicit in handling container cropping
    
  hevcdec : export cropping information instead of handling it internally
    

    This commit is a noop.
    

    This changes the cropping behavior, when it's supposedly only meant to move
    
it outside of the decoder.
    
See https://ffmpeg.org/pipermail/ffmpeg-devel/2017-May/211239.html for the
    
discussion about it.
    

    Merged-by : James Almer <jamrial@gmail.com>

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