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  • Keeping control of your media in your hands

    13 avril 2011, par

    The vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
    While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
    MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
    MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)

  • Les autorisations surchargées par les plugins

    27 avril 2010, par

    Mediaspip core
    autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs

  • Submit bugs and patches

    13 avril 2011

    Unfortunately a software is never perfect.
    If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
    If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
    You may also (...)

Sur d’autres sites (6307)

  • FFmpeg - Concatenate all videos with similar file name ?

    24 décembre 2017, par Pan Hart

    Is there any way to use ffmpeg to concatenate all video files that have the exact same file name for the specified first few characters ?

    For example, if I set it to match the first 5 characters, it will match and concatenate video_1.flv, video_2.flv, video_3.flv and so on.

    But, at the same time, it can also match and concatenate tests_1.flv, tests_2.flv, tests_3.flv and so on.

    Any help will be appreciated !

  • Old TV : ffmpeg-converted file not working

    29 décembre 2016, par senseiwa

    I have an old Full-HD TV (Philips) that supports USB reading with some video formats. However, it just supports one audio stream (the first), so in case I have two with the first that is not english, I need to remove the first one. I am doing this via ffmpeg, but the TV cannot read the converted file, although they are identical (except for one audio track).

    The conversion command I am using is is

     ffmpeg -i filename.IN -map 0:0 -map 0:2 -acodec copy -vcodec copy  filename.OUT

    to just copy the video/audio stream, but keeping only the second audio track. The original file is this one (output of ffprobe) and it works perfectly reproducing the video with the first audio track :

    Input #0, avi, from 'ORIG.avi':
    
  Metadata:
    
    encoder         : X
    
  Duration: 01:40:57.18, start: 0.000000, bitrate: 2695 kb/s
    
    Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (XVID / 0x44495658), yuv420p, 656x368 [SAR 1:1 DAR 41:23], 1914 kb/s, 23.98 fps, 23.98 tbr, 23.98 tbn, 23.98 tbc
    
    Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, 5.1(side), fltp, 384 kb/s
    
    Stream #0:2: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, 5.1(side), fltp, 384 kb/s

    and the converted not working one is

    Input #0, avi, from 'CONV.avi':
    
  Metadata:
    
    encoder         : Lavf57.56.100
    
  Duration: 01:40:57.18, start: 0.000000, bitrate: 2309 kb/s
    
    Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (XVID / 0x44495658), yuv420p, 656x368 [SAR 1:1 DAR 41:23], 1914 kb/s, 23.98 fps, 23.98 tbr, 23.98 tbn, 23.98 tbc
    
    Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, 5.1(side), fltp, 384 kb/s

    On a PC, however, they both work.

    The question is, how can I convert, keeping eventually just one audio track, in a format that my TV supports without losing quality ?

    I do not have the list of supported codecs, but I have a list of videos that the TV is able to reproduce.

  • What parameter should use to create adaptive hls videos in different scale using ffmpeg and shaka packager for VOD streaming ?

    25 juin 2019, par Rahul

    I am trying to package HLS with shaka packager in a different scale from 144x256 to 1080x1920 for adaptive streaming using hevc, It is working fine, but Is there some more parameter required to put for good video quality and optimization.

    Below are the command I used :

    ffmpeg -i original.mp4 -c:a aac -strict experimental -b:a 128k -c:v libx265 -vf scale=144:256 144_256_h265.mp4 -hide_banner
    

    
ffmpeg -i original.mp4 -c:a aac -strict experimental -b:a 128k -c:v libx265 -vf scale=360:640 360_640_h265.mp4 -hide_banner
    

    
ffmpeg -i original.mp4 -c:a aac -strict experimental -b:a 128k -c:v libx265 -vf scale=720:1280 720_1280_h265.mp4 -hide_banner
    

    
ffmpeg -i original.mp4 -c:a aac -strict experimental -b:a 128k -c:v libx265 -vf scale=1080:1920 1080_1920_h265.mp4 -hide_banner
    

    
HLS Packaging Using shaka packager.
    
packager-osx in=144_256_h265.mp4,stream=audio,output=hls/audio.mp4,playlist_name=audio.m3u8,hls_group_id=audio,hls_name=ENGLISH in=144_256_h265.mp4,stream=video,output=hls/h265_144p.mp4,playlist_name=h265_144p.m3u8,iframe_playlist_name=h265_144p_iframe.m3u8 in=360_640_h265.mp4,stream=video,output=hls/h265_360p.mp4,playlist_name=h265_360p.m3u8,iframe_playlist_name=h265_360p_iframe.m3u8 in=720_1280_h265.mp4,stream=video,output=hls/h265_720p.mp4,playlist_name=h265_720p.m3u8,iframe_playlist_name=h265_720p_iframe.m3u8  in=1080_1920_h265.mp4,stream=video,output=hls/h265_1080p.mp4,playlist_name=h265_1080p.m3u8,iframe_playlist_name=h265_1080p_iframe.m3u8 --hls_master_playlist_output hls/h265_master.m3u8

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