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    25 avril 2011, par

    MediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
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  • Multilang : améliorer l’interface pour les blocs multilingues

    18 février 2011, par

    Multilang est un plugin supplémentaire qui n’est pas activé par défaut lors de l’initialisation de MediaSPIP.
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Sur d’autres sites (12019)

  • How to display image for particular time in a video using ffmpeg

    14 février 2020, par Pratik Bhingardeve

    I am trying to created a video from the sequence of images. But i have to display each image with different numbers of seconds. How to do this with FFMPEG.

    Thanks in advance.

  • WIndows findstr

    6 juillet 2015, par Brett

    I want to search a text file for a string with this command

    findstr silence_start:* test.txt

    here is the out put

    C:\Users\brett\Desktop\masterpuppets>findstr  ilence_start:* test.txt
    
[silencedetect @ 00000000042eb5c0] silence_start: -0.00260771
    
[silencedetect @ 00000000042eb5c0] silence_start: 310.019
    
[silencedetect @ 00000000042eb5c0] silence_start: 822.097
    
[silencedetect @ 00000000042eb5c0] silence_start: 1211.84
    
[silencedetect @ 00000000042eb5c0] silence_start: 1605.72
    
[silencedetect @ 00000000042eb5c0] silence_start: 2443.7
    
[silencedetect @ 00000000042eb5c0] silence_start: 2946.45
    
[silencedetect @ 00000000042eb5c0] silence_start: 2955.28
    
[silencedetect @ 00000000042eb5c0] silence_start: 3279.93

    What i need are the numbers after silence_start : and i want to store them in an array. Ive never tried this in windows and are stumped can this be done from the command line of batch file ? Any help would be great. Im attempting to slice up the mp3 at the silences...

    Updated output and the content of the test file..
    First the test file im getting the information from

    ffmpeg version N-63968-g73d820e Copyright (c) 2000-2014 the FFmpeg developers
    
  built on Jun 15 2014 00:52:21 with gcc 4.8.3 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-decklink --enable-zlib
    
  libavutil      52. 89.100 / 52. 89.100
    
  libavcodec     55. 66.101 / 55. 66.101
    
  libavformat    55. 43.100 / 55. 43.100
    
  libavdevice    55. 13.101 / 55. 13.101
    
  libavfilter     4.  8.100 /  4.  8.100
    
  libswscale      2.  6.100 /  2.  6.100
    
  libswresample   0. 19.100 /  0. 19.100
    
  libpostproc    52.  3.100 / 52.  3.100
    
Input #0, mp3, from 'mp.mp3':
    
  Metadata:
    
    major_brand     : dash
    
    minor_version   : 0
    
    compatible_brands: iso6mp41
    
    encoder         : Lavf55.43.100
    
  Duration: 00:55:00.08, start: 0.025057, bitrate: 320 kb/s
    
    Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16p, 320 kb/s
    
Output #0, null, to 'pipe:':
    
  Metadata:
    
    major_brand     : dash
    
    minor_version   : 0
    
    compatible_brands: iso6mp41
    
    encoder         : Lavf55.43.100
    
    Stream #0:0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
    
    Metadata:
    
      encoder         : Lavc55.66.101 pcm_s16le
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (mp3 (native) -> pcm_s16le (pcm_s16le))
    
Press [q] to stop, [?] for help
    
[silencedetect @ 00000000042eb5c0] silence_start: -0.00260771
    
[silencedetect @ 00000000042eb5c0] silence_end: 0.601882 | silence_duration: 0.60449
    
size=N/A time=00:03:00.19 bitrate=N/A    
    
[silencedetect @ 00000000042eb5c0] silence_start: 310.019
    
[silencedetect @ 00000000042eb5c0] silence_end: 311.772 | silence_duration: 1.75388
    
size=N/A time=00:05:46.04 bitrate=N/A    
    
size=N/A time=00:08:28.29 bitrate=N/A    
    
size=N/A time=00:11:17.04 bitrate=N/A    
    
[silencedetect @ 00000000042eb5c0] silence_start: 822.097
    
[silencedetect @ 00000000042eb5c0] silence_end: 827.064 | silence_duration: 4.96694
    
size=N/A time=00:14:09.05 bitrate=N/A    
    
size=N/A time=00:16:46.36 bitrate=N/A    
    
size=N/A time=00:19:36.63 bitrate=N/A    
    
[silencedetect @ 00000000042eb5c0] silence_start: 1211.84
    
[silencedetect @ 00000000042eb5c0] silence_end: 1214.96 | silence_duration: 3.11224
    
size=N/A time=00:22:34.29 bitrate=N/A    
    
size=N/A time=00:25:28.00 bitrate=N/A    
    
[silencedetect @ 00000000042eb5c0] silence_start: 1605.72
    
[silencedetect @ 00000000042eb5c0] silence_end: 1610.21 | silence_duration: 4.49673
    
size=N/A time=00:28:29.95 bitrate=N/A    
    
size=N/A time=00:31:33.69 bitrate=N/A    
    
size=N/A time=00:34:28.03 bitrate=N/A    
    
size=N/A time=00:37:29.50 bitrate=N/A    
    
size=N/A time=00:40:09.74 bitrate=N/A    
    
[silencedetect @ 00000000042eb5c0] silence_start: 2443.7
    
[silencedetect @ 00000000042eb5c0] silence_end: 2445.32 | silence_duration: 1.62327
    
size=N/A time=00:43:07.09 bitrate=N/A    
    
size=N/A time=00:45:56.28 bitrate=N/A    
    
size=N/A time=00:48:43.67 bitrate=N/A    
    
[silencedetect @ 00000000042eb5c0] silence_start: 2946.45
    
[silencedetect @ 00000000042eb5c0] silence_end: 2953.51 | silence_duration: 7.05673
    
[silencedetect @ 00000000042eb5c0] silence_start: 2955.28
    
[silencedetect @ 00000000042eb5c0] silence_end: 2955.83 | silence_duration: 0.552245
    
size=N/A time=00:51:42.79 bitrate=N/A    
    
[silencedetect @ 00000000042eb5c0] silence_start: 3279.93
    
size=N/A time=00:54:45.44 bitrate=N/A    
    
size=N/A time=00:55:00.05 bitrate=N/A    
    

    
video:0kB audio:568485kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown

    Next is my batch file with Michaels example

    @ECHO OFF
    
SETLOCAL ENABLEDELAYEDEXPANSION
    
SET count=0
    
FOR /F "tokens=*" %%a IN ('findstr silence_start:* test.txt') DO (
    
    FOR /F "tokens=2 delims=:" %%b IN ("%%a") DO (
    
        SET number=%%b
    
        SET number=!number:~1!
    
        ECHO !number!
    
    )
    

    
)

    running a test command from command line

    C:\Users\brett\Desktop\masterpuppets>findstr silence_start: test.txt
    
[silencedetect @ 00000000042eb5c0] silence_start: -0.00260771
    
[silencedetect @ 00000000042eb5c0] silence_start: 310.019
    
[silencedetect @ 00000000042eb5c0] silence_start: 822.097
    
[silencedetect @ 00000000042eb5c0] silence_start: 1211.84
    
[silencedetect @ 00000000042eb5c0] silence_start: 1605.72
    
[silencedetect @ 00000000042eb5c0] silence_start: 2443.7
    
[silencedetect @ 00000000042eb5c0] silence_start: 2946.45
    
[silencedetect @ 00000000042eb5c0] silence_start: 2955.28
    
[silencedetect @ 00000000042eb5c0] silence_start: 3279.93

    Output from mybat.bat

    C:\Users\brett\Desktop\masterpuppets>mybat.bat
    
-0.00260771
    
3
    
5
    
4
    
2
    
8
    
3
    
2955.28
    
1

  • ffmpeg : segment muxer cutting segments early

    4 mars 2020, par M. Parker

    My current project is an attempt to use the segment muxer to divide an input stream into mp4 files of a particular duration (say, 3 seconds). Use of the segment_time option after allocating the muxer ought to have me covered. What I am seeing is segmenting based on a particular number of data units. If I try to copy the stream, it will cut the segment after 16 AVPackets have been sent to the output stream. If I try to encode it (libx264), the file will instead be written after 16 AVFrames. Changing the segment_time variable doesn’t alter the number of units written/file length, although larger numbers can result in errors. I figure I have to be missing something obvious. Any ideas ?

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