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• Ffmpeg sidechaincompress with different input audio lengths

  29 janvier 2023, par user19313832

  There are two input files :

  


  

  • First entry is a video with music - 6 min.

  


  • Second entry - voice - 3 min.
Here compr will contain the audio of video that is muted when start talking (second input).

  


  


  ffmpeg -y -i %pathToVideo% -i %pathToAudio% -filter_complex ^ ^"[0:a][1:a]sidechaincompress=threshold=0.015:ratio=19:level_sc=1:release=1400:attack=1[compr]^" ^ -c:v copy -map 0:v -map [compr]:a %out%

  


  Problem - sound of the video is completely turned off when the voice ends, at the 3rd minute.

  


  This works well for the first 3 minutes.
Then the sound of the video is turned off.

  


  Half of the video remains without sound.
It is necessary that the sound of the video remains, and not turned off.
It looks like it only works on audios of the same length, but here the audios are different lengths ???????????

  


  It is necessary that the sound of the video does not turn off after the 3rd minute. Because the voice file is only 3 minutes.

  


• FFMPEG is not writing the correct video duration in the output playlist file for HLS

  15 mai 2021, par user2726634

  I have 5 cameras each having an RTSP stream. I am converting that rtsp stream to HLS. This is the command I am using :

  


  ffmpeg -rtsp_transport tcp -i rtsp://*:*@*:*/ -f hls -codec copy -strftime 1 -strftime_mkdir 1 -hls_time 10 -hls_list_size 360 -hls_segment_filename %Y%m%d/%H/%M%S.ts playlist.m3u8


  


  The command gives the right output for 2 of the cameras. For the rest, the playlist files always has the incorrect duration (It is supposed to be 10 seconds) :

  


  #EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:5
#EXT-X-MEDIA-SEQUENCE:0
#EXTINF:5.000000,
videos/0/2/20210513/13/2632.ts
#EXTINF:5.000000,
videos/0/2/20210513/13/2642.ts
#EXTINF:5.000000,


  


  For some reason the duration always gets written as half of the actual video duration in the playlist.

  


  When I set hls_time to 5 seconds, the playlists for those respective cameras shows duration as 2.5 seconds even though the '.ts' is 5 seconds long.

  


  What could be wrong ?

  


• Announcing Long Term Support in Piwik 2 – The analytics platform for your mission critical projects

  11 janvier 2016, par Matthieu Aubry — About, Development

  We are proud to announce our Long Term Support (LTS) for Piwik 2.X !

  Why Long Term Support (LTS) ?

  Part of our mission is to ready Piwik for the enterprise — and ready the enterprise for Piwik. Our fast release cycle and our ability to quickly innovate has served us well for the past seven years and has lead Piwik to being one of the most popular open source projects, used by over one million websites worldwide. But Piwik’s success today has also shown us that this fast release cycle is not suited for all users and customers. Like most large open source projects (such as Ubuntu, Firefox, Debian, Symfony, Node.js, etc.) at Piwik we now also offer a Long Term Support release which gives users the confidence that Piwik can be used for mission critical projects for months to come.

  What does LTS mean for Piwik ?

  For the duration of the LTS period, Piwik 2.X will continue to receive the following fixes :

  • Critical bugs causing data loss or data corruption.
  • Major and Critical security issues.

  Our goal is to offer you a Piwik LTS release that you can trust for all your mission critical projects.

  How long will Piwik 2.X be supported ?

  Piwik 2.X will be supported for at least 12 months after the initial release of Piwik 3.0.0.
  Piwik 3.0.0 is expected to be released in the second half of 2016.
  This means that Piwik 2.X will be supported at least until the second half of 2017.

  Which Piwik version is LTS ?

  The latest Piwik 2.16.X release is our Long Term Support version.

  How do I benefit from the LTS version ?

  To get the full benefits of Piwik LTS, please make sure you are using the latest LTS version. First, update to the latest Piwik 2.X version, then Configure Piwik to use the LTS release channel and then update to the latest LTS version.

  How do I configure Piwik to use the LTS version ?

  By default, Piwik will not use the LTS version. When you use the one-click update your Piwik instance will be updated to the very latest release : when Piwik 3.0.0 will be released, the one click update will update your instance to 3.0.0. It is however possible to configure your Piwik so that you will stay on Piwik 2.X and keep using the LTS Long Term Support version :

  • Login Piwik as the Super User,
  • Go to Settings > General > Update settings,
  • Under “Release channel” click “Latest stable 2.X Long Term Support version”, and click “Save”.
    

  How do I get professional Piwik Support ?

  If you need professional support for your Piwik service get in touch with the Piwik PRO experts.

  ---

  For other questions, feedback or discussion, feel free to join our forums and comment on this LTS forum post.

  We wish you all a fantastic year 2016 !