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  • Participer à sa traduction

    10 April 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 (...)

  • Automated installation script of MediaSPIP

    25 April 2011, by

    To overcome the difficulties mainly due to the installation of server side software dependencies, an "all-in-one" installation script written in bash was created to facilitate this step on a server with a compatible Linux distribution.
    You must have access to your server via SSH and a root account to use it, which will install the dependencies. Contact your provider if you do not have that.
    The documentation of the use of this installation script is available here.
    The code of this (...)

  • Personnaliser les catégories

    21 June 2013, by

    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 (...)

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  • What is the best way to fill AVFrame.data

    21 September 2015, by Tim Hsu

    I want to transfer opengl framebuffer data to AVCodec as fast as possible.

    I’ve already converted RGB to YUV with shader and read it with glReadPixels

    I still need to fill AVFrame data manually. Is there any better way?

    AVFrame *frame;
    
// Y
    
frame->data[0][y*frame->linesize[0]+x] = data[i*3];
    
// U
    
frame->data[1][y*frame->linesize[1]+x] = data[i*3+1];
    
// V
    
frame->data[2][y*frame->linesize[2]+x] = data[i*3+2];

  • Error in playing encrypted data from url using ffmpeg

    3 February 2015, by Shijin Bose

    I want to play a video data from url. but the data is given as encrypted. so am first store the data to a buffer and then decrypt and then given to AVformat_open_input. but i found it is not possible to give buffer data toAVformat_open_input function. i can’t store the data to secondary device (dew to security).

    is it possible to play an encrypted data from url?

  • TCL command prompt crashed with the error "ffmpeg.exe stopped working" with tcl version 8.0 and window 7

    9 February 2019, by M. D. P

    TCL command prompt crashed with the error "ffmpeg.exe has stopped working" with tcl version 8.0 and window 7 32 bit. my code file is "live.tcl" which is as follow:

    proc live {} {
    

    
exec ffmpeg -f dshow -s 1280x720 -i "video=Logitech HD Webcam C525" -f sdl2 - >& c:/test/temp.txt &
    

    
}
    
live

    On the other hand same my code for video capturing i.e "videocapture.tcl" works on the same tclsh command prompt on windows 7. my tcl code for "videocapture.tcl" is :

    proc videocapture {} { 
    

    
 exec ffmpeg -f dshow -t 00:00:10 -i "video=Integrated Webcam" c:/test/sample-a.avi >& temp.txt & 
    
 
    
}
    
videocapture

    error report is as follow :

    ffmpeg started on 2017-11-22 at 10:56:04
    
Report written to "ffmpeg-20171122-105604.log"
    
Command line:
    
ffmpeg -f dshow -s 1280x720 -i "video=HD Webcam C525" -report -f sdl2 -
    
ffmpeg version N-89127-g8f4702a93f Copyright (c) 2000-2017 the FFmpeg developers
    
  built with gcc 7.2.0 (GCC)
    
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-cuda --enable-cuvid --enable-d3d11va --enable-nvenc --enable-dxva2 --enable-avisynth --enable-libmfx
    
  libavutil      56.  0.100 / 56.  0.100
    
  libavcodec     58.  3.103 / 58.  3.103
    
  libavformat    58.  2.100 / 58.  2.100
    
  libavdevice    58.  0.100 / 58.  0.100
    
  libavfilter     7.  2.100 /  7.  2.100
    
  libswscale      5.  0.101 /  5.  0.101
    
  libswresample   3.  0.101 /  3.  0.101
    
  libpostproc    55.  0.100 / 55.  0.100
    
Splitting the commandline.
    
Reading option '-f' ... matched as option 'f' (force format) with argument 'dshow'.
    
Reading option '-s' ... matched as option 's' (set frame size (WxH or abbreviation)) with argument '1280x720'.
    
Reading option '-i' ... matched as input url with argument 'video=HD Webcam C525'.
    
Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'.
    
Reading option '-f' ... matched as option 'f' (force format) with argument 'sdl2'.
    
Reading option '-' ... matched as output url.
    
Finished splitting the commandline.
    
Parsing a group of options: global .
    
Applying option report (generate a report) with argument 1.
    
Successfully parsed a group of options.
    
Parsing a group of options: input url video=HD Webcam C525.
    
Applying option f (force format) with argument dshow.
    
Applying option s (set frame size (WxH or abbreviation)) with argument 1280x720.
    
Successfully parsed a group of options.
    
Opening an input file: video=HD Webcam C525.
    
[dshow @ 03dfca20] Selecting pin Capture on video
    
dshow passing through packet of type video size  1843200 timestamp 664898760000 orig timestamp 664898643970 graph timestamp 664898760000 diff 116030 HD Webcam C525
    
[dshow @ 03dfca20] All info found
    
Input #0, dshow, from 'video=HD Webcam C525':
    
  Duration: N/A, start: 66489.876000, bitrate: N/A
    
Stream #0:0, 1, 1/10000000: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 1280x720, 10 fps, 10 tbr, 10000k tbn, 10000k tbc
    
Successfully opened the file.
    
Parsing a group of options: output url -.
    
Applying option f (force format) with argument sdl2.
    
Successfully parsed a group of options.
    
Opening an output file: -.
    
Successfully opened the file.
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (rawvideo (native) -> rawvideo (native))
    
Press [q] to stop, [?] for help
    
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
    
[rawvideo @ 03e01660] PACKET SIZE: 1843200, STRIDE: 2560
    
detected 1 logical cores
    
[graph 0 input from stream 0:0 @ 03e06ae0] Setting 'video_size' to value '1280x720'
    
[graph 0 input from stream 0:0 @ 03e06ae0] Setting 'pix_fmt' to value '1'
    
[graph 0 input from stream 0:0 @ 03e06ae0] Setting 'time_base' to value '1/10000000'
    
[graph 0 input from stream 0:0 @ 03e06ae0] Setting 'pixel_aspect' to value '0/1'
    
[graph 0 input from stream 0:0 @ 03e06ae0] Setting 'sws_param' to value 'flags=2'
    
[graph 0 input from stream 0:0 @ 03e06ae0] Setting 'frame_rate' to value '10000000/1000000'
    
[graph 0 input from stream 0:0 @ 03e06ae0] w:1280 h:720 pixfmt:yuyv422 tb:1/10000000 fr:10000000/1000000 sar:0/1 sws_param:flags=2
    
[AVFilterGraph @ 03de2780] query_formats: 3 queried, 2 merged, 0 already done, 0 delayed
    
dshow passing through packet of type video size  1843200 timestamp 664899770000 orig timestamp 664899643970 graph timestamp 664899770000 diff 126030 HD Webcam C525
    
dshow passing through packet of type video size  1843200 timestamp 664900890000 orig timestamp 664900643970 graph timestamp 664900890000 diff 246030 HD Webcam C525
    
dshow passing through packet of type video size  1843200 timestamp 664902040000 orig timestamp 664901643970 graph timestamp 664902040000 diff 396030 HD Webcam C525
    
[dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
    
dshow passing through packet of type video size  1843200 timestamp 664902650000 orig timestamp 664902643970 graph timestamp 664902650000 diff 6030 HD Webcam C525
    
[dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
    
dshow passing through packet of type video size  1843200 timestamp 664903610000 orig timestamp 664903643970 graph timestamp 664903610000 diff -33970 HD Webcam C525
    
[dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
    
dshow passing through packet of type video size  1843200 timestamp 664904570000 orig timestamp 664904643970 graph timestamp 664904570000 diff -73970 HD Webcam C525
    
[dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
    
dshow passing through packet of type video size  1843200 timestamp 664905520000 orig timestamp 664905643970 graph timestamp 664905520000 diff -123970 HD Webcam C525
    
[dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
    
dshow passing through packet of type video size  1843200 timestamp 664929720000 orig timestamp 664906643970 graph timestamp 664929720000 diff 23076030 HD Webcam C525
    
[dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
    
dshow passing through packet of type video size  1843200 timestamp 664929760000 orig timestamp 664907643970 graph timestamp 664929760000 diff 22116030 HD Webcam C525
    
[dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
    
dshow passing through packet of type video size  1843200 timestamp 664929790000 orig timestamp 664908643970 graph timestamp 664929790000 diff 21146030 HD Webcam C525
    
[dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
    
dshow passing through packet of type video size  1843200 timestamp 664929820000 orig timestamp 664909643970 graph timestamp 664929820000 diff 20176030 HD Webcam C525
    
[dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
    
dshow passing through packet of type video size  1843200 timestamp 664929870000 orig timestamp 664910643970 graph timestamp 664929870000 diff 19226030 HD Webcam C525
    
[dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
    
dshow passing through packet of type video size  1843200 timestamp 664929910000 orig timestamp 664911643970 graph timestamp 664929910000 diff 18266030 HD Webcam C525
    
[dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
    
dshow passing through packet of type video size  1843200 timestamp 664929940000 orig timestamp 664912643970 graph timestamp 664929940000 diff 17296030 HD Webcam C525
    
[dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
    
dshow passing through packet of type video size  1843200 timestamp 664929980000 orig timestamp 664913643970 graph timestamp 664929980000 diff 16336030 HD Webcam C525
    
[dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
    
dshow passing through packet of type video size  1843200 timestamp 664930030000 orig timestamp 664914643970 graph timestamp 664930030000 diff 15386030 HD Webcam C525
    
[dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
    
dshow passing through packet of type video size  1843200 timestamp 664930070000 orig timestamp 664915643970 graph timestamp 664930070000 diff 14426030 HD Webcam C525
    
[dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!

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