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Autres articles (31)

  • D’autres logiciels intéressants

    12 avril 2011, par

    On ne revendique pas d’être les seuls à faire ce que l’on fait ... et on ne revendique surtout pas d’être les meilleurs non plus ... Ce que l’on fait, on essaie juste de le faire bien, et de mieux en mieux...
    La liste suivante correspond à des logiciels qui tendent peu ou prou à faire comme MediaSPIP ou que MediaSPIP tente peu ou prou à faire pareil, peu importe ...
    On ne les connais pas, on ne les a pas essayé, mais vous pouvez peut être y jeter un coup d’oeil.
    Videopress
    Site Internet : (...)

  • Encoding and processing into web-friendly formats

    13 avril 2011, par

    MediaSPIP automatically converts uploaded files to internet-compatible formats.
    Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
    Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
    Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
    All uploaded files are stored online in their original format, so you can (...)

  • Supporting all media types

    13 avril 2011, par

    Unlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)

Sur d’autres sites (5392)

  • arm : Use .data.rel.ro for const data with relocations

    16 novembre 2014, par Martin Storsjö
    arm : Use .data.rel.ro for const data with relocations

    Signed-off-by : Martin Storsjö <martin@martin.st>
    • [DH] configure
    • [DH] libavcodec/arm/fft_fixed_neon.S
    • [DH] libavcodec/arm/fft_neon.S
    • [DH] libavcodec/arm/fft_vfp.S
    • [DH] libavutil/arm/asm.S

  • automatically show blue screen in ffmpeg when live video source disconnects

    13 janvier 2015, par user1913115

    i’m capturing a live source using ffmpeg :

    ffmpeg -i rtsp://192.168.1.143/source -codec copy output.mp4

    which works great. the ip address is an address of an RTSP proxy server which takes in the camera itself as the source. i.e. my setup :

    camera ->> RTSP proxy ->> ffmpeg(output)

    if camera disconnects (accidentally or on purpose) the recording stops (obviously) and only continues when I re-connect the camera.

    Question : is there a way for ffmpeg to ’fill’ the down time with blue screen or green screen of some sort ?
    i know i can ’play’ a still image of a green screen using ffmpeg to record an mp4 out of it :

    ffmpeg -loop 1 -y -re -i green.jpg -r 30 -vcodec libx264 -an -f h264 greenvideo.mp4

    so i could set it up this way :

    ffmpeg(green) ->> ffmpeg(output)

    but I would need to run the command manually. is there a way for ffmpeg(output) to automatically detect the disconnect and use green.jpg as a ’video’ source ? or i can even create a 5-minute green.mp4 video of just green screen.

    put it another way, is it possible for ffmpeg to automatically switch input sources if one goes down ?

  • How can I extract bonus images from a tv show DVD using ffmpeg ?

    5 avril 2020, par Hatem

    I'm using MakeMKVcon to automate episodes extraction. It do the job, expect the metadata. I have to rename files manually. But the problem here is that I want to extract some bonus pictures slideshow from the ISO but no software can detect it. I can only display those images using VLC (using the ISO file).

    &#xA;&#xA;

    Do you have any idea how to do that ?

    &#xA;&#xA;

    Here's the ffmpeg -i output :

    &#xA;&#xA;

    $ ffmpeg -i /path/to/iso/file.ISO&#xA;ffmpeg version git-2020-03-24-7239254 Copyright (c) 2000-2020 the FFmpeg developers&#xA;  built with Apple clang version 11.0.0 (clang-1100.0.33.16)&#xA;  configuration: --prefix=/usr/local/Cellar/ffmpeg/HEAD-7239254_1 --enable-shared --cc=clang --host-cflags=-fno-stack-check --host-ldflags= --enable-gpl --enable-libaom --enable-libmp3lame --enable-libopus --enable-libsnappy --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --disable-libjack --disable-indev=jack --enable-opencl --enable-videotoolbox --disable-htmlpages --enable-libfdk-aac --enable-nonfree&#xA;  libavutil      56. 42.101 / 56. 42.101&#xA;  libavcodec     58. 76.100 / 58. 76.100&#xA;  libavformat    58. 42.100 / 58. 42.100&#xA;  libavdevice    58.  9.103 / 58.  9.103&#xA;  libavfilter     7. 77.100 /  7. 77.100&#xA;  libswscale      5.  6.101 /  5.  6.101&#xA;  libswresample   3.  6.100 /  3.  6.100&#xA;  libpostproc    55.  6.100 / 55.  6.100&#xA;[mpeg @ 0x7f8111808200] Packet corrupt (stream = 4, dts = 2097152).&#xA;[mpeg @ 0x7f8111808200] stream 4 : no TS found at start of file, duration not set&#xA;[mpeg @ 0x7f8111808200] Could not find codec parameters for stream 4 (Audio: mp2, 0 channels): unspecified frame size&#xA;Consider increasing the value for the &#x27;analyzeduration&#x27; and &#x27;probesize&#x27; options&#xA;Input #0, mpeg, from &#x27;/path/to/iso/file.ISO&#x27;:&#xA;  Duration: 00:24:21.47, start: 0.280000, bitrate: 40817 kb/s&#xA;    Stream #0:0[0x1bf]: Data: dvd_nav_packet&#xA;    Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, bt470bg, progressive), 720x576 [SAR 16:15 DAR 4:3], 25 fps, 25 tbr, 90k tbn, 50 tbc&#xA;    Side data:&#xA;      cpb: bitrate max/min/avg: 8000000/0/0 buffer size: 1835008 vbv_delay: N/A&#xA;    Stream #0:2[0x20]: Subtitle: dvd_subtitle&#xA;    Stream #0:3[0x80]: Audio: ac3, 48000 Hz, stereo, fltp, 192 kb/s&#xA;    Stream #0:4[0x1d7]: Audio: mp2, 0 channels&#xA;At least one output file must be specified &#xA;

    &#xA;

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