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• How to get your Piwik plugin translated in many languages ?

  8 septembre 2015, par Stefan Giehl — Community, Development, Plugins

  About a year ago we introduced the Piwik Marketplace to make it easy for developers to share their plugins with all Piwik users.

  As Piwik is currently available in 54 languages we would love to have as many plugins as possible available in at least a few of those languages.

  Currently most plugins on the Marketplace are only available in English and sometimes some other languages. To improve this situation, we offer plugin developers the possibility to use the power of our translators community to get their plugins translated.

  Some plugin developers are already using this service and some very popular plugins like BotTracker or CustomOptOut have already been translated in more than 10 languages !

  Getting translations for your plugin

  As long as you are developing an open source plugin hosted on Github, you may get in touch with us (translations@piwik.org) in order to get your plugin translated by the Piwik translators community.

  You will need an account on Transifex.com. If you use Transifex with a social login, please ensure to set a password in your account settings. This will be required for fetching new translations into your plugin repository.

  Importing your plugin’s strings in the translation platform

  While doing the initial setup for your plugin, we will import your english translation file (en.json) in your Github plugin repository and we will configure an auto-update for this file. Source strings on Transifex will automatically synchronise with your plugin repository. When you change any string in your en.json translation file, the updated English strings will automatically be imported in Transifex.

  How to fetch your plugins translations into your repository

  As soon as we have set up your plugin within our project Piwik on Transifex and there are new translations available, you will be able to update your plugin translations using the Piwik console. You will need a locally installed Piwik with development mode enabled, and your plugin installed. To update the translations go to the Piwik directory on your development box and execute the following command :

  ./console translations:update -u {YourTransifexUserName} -p {YourTransifexPassword} -P {YourPluginName}

  We are looking forward to seeing your Piwik plugins available in more languages ! For more information, check out our Translations plugin developer guide.

  Happy hacking,

• Multiple live video outputs advice. Live stream/Record/Preview, FFMPEG, Windows, Decklink [closed]

  18 septembre 2024, par stroltz

  I am looking for advice on how best to achieve multiple live video outputs.

  


  The live source is a Decklink card on Windows. (We have a ffmpeg build working to access the card) We want 4 outputs ;

  


  


  • We want to run a preview window (low quality would be preferred) just so the user can see the video is working.

    


  


  • We want to be able to live stream - single bit rate, RTMP. (goes up to a CDN)

    


  


  • Independent from the streaming we want to be able to stop and start recording to file. Ideally using CRF. So a separate encode – but maybe we use the RTMP encode, not sure, and do 1 x encode only.

    


  


  • We also want to save a separate audio file. Stops and starts at the same time as the video file above (if required we could do this as a post process on the video file we make above)

    


  


  


  We want to keep CPU use down to as reasonable as possible. (so no high end hardware)

  


  We have had a suggestion of this with ffmpeg ;

  


  Input >> ffmpeg

  


  

  • split input to main and monitoring ;

  


  • scale monitoring stream to lower resolution

  


  • encode both streams

  


  • provide both outputs to local streaming server
ffmpeg >> local streaming server

  


  • use API to start and stop recordings (or web console, if you do it manually)

  


  • provide streams to CDN or/and provide access to your streams for end users

  


  


  recorded files >> another ffmpeg (controlled by some script that get
RECORDING COMPLETED event to start ffmpeg process)

  


  

  • extract audio from recorded file

  


  • save audio into file

  


  


  Which sounds possible, but if doing that, which local streaming server would work best (open source, API...)

  


  or open to other ideas as to the best way.

  


  https://trac.ffmpeg.org/wiki/Creating%20multiple%20outputs shows lots of ways, but I don't think you get to control the individual outputs independently.

  


• Partial SPLIT screen video using ffmpeg ?

  8 mai 2023, par PirateApp
  


  • I would like to show you an actual example so that you guys can understand what I am trying to achieve

    


  


  • I have a VIDEO that is entirely split screen currently

    


  


  • If you observe carefully, at the beginning of this video, there are cutscenes that are the same for everyone


    


  


  • After that the actual split screen content begins which each screen has something different going on


    


  


  • Notice how we are back to the same cutscene type content around 10:55 and 29:05

    


  


  • Basically whenever there is a cut scene I would like to show it without split screen from a single source

    


  


  • Whenever it is not a cut scene, I want it to be a split screen video

    


  


  • Let us say that 00:00 to 01:15 and 10:00 to 10:30 and 29:00 to end of the video has cutscenes

    


  


  • These 3 parts need to be shown without split screen while the rest of the video shows up as split screen

    


  


  • How do I achieve this in ffmpeg ?

    


  


  • I wrote a script that does the split screen part

    


  


  


  ​

  


  ffmpeg -i "$player_one.$player_one_extension" \
    -i "$player_two.$player_two_extension" \
    -i "$player_three.$player_three_extension" \
    -i "$player_four.$player_four_extension" \
    -filter_complex \
        "nullsrc=size=${video_width}x${video_height} [base]; \
        [0:v] trim=start=$player_one_offset,setpts=PTS-STARTPTS, scale=${half_width}x${half_height}, drawtext=fontfile=control-freak-font/CONTF___.ttf:text='${player_one_name}':fontsize=$font_size:fontcolor=0xFFFFFF:alpha='$alpha':x=w-text_w-${font_padding}:y=h-text_h-${font_padding} [upperleft]; \
        [1:v] trim=start=$player_two_offset,setpts=PTS-STARTPTS, scale=${half_width}x${half_height}, drawtext=fontfile=control-freak-font/CONTF___.ttf:text='${player_two_name}':fontsize=$font_size:fontcolor=0xFFFFFF:alpha='$alpha':x=w-text_w-${font_padding}:y=h-text_h-${font_padding} [upperright]; \
        [2:v] trim=start=$player_three_offset,setpts=PTS-STARTPTS, scale=${half_width}x${half_height}, drawtext=fontfile=control-freak-font/CONTF___.ttf:text='${player_three_name}':fontsize=$font_size:fontcolor=0xFFFFFF:alpha='$alpha':x=w-text_w-${font_padding}:y=h-text_h-${font_padding} [lowerleft]; \
        [3:v] trim=start=$player_four_offset,setpts=PTS-STARTPTS, scale=${half_width}x${half_height}, drawtext=fontfile=control-freak-font/CONTF___.ttf:text='${player_four_name}':fontsize=$font_size:fontcolor=0xFFFFFF:alpha='$alpha':x=w-text_w-${font_padding}:y=h-text_h-${font_padding} [lowerright]; \
        [3:a] atrim=start=$audio_offset,asetpts=PTS-STARTPTS[outa]; [base][upperleft] overlay=shortest=1 [tmp1]; [tmp1][upperright] overlay=shortest=1:x=${half_width} [tmp2]; [tmp2][lowerleft] overlay=shortest=1:y=${half_height} [tmp3]; [tmp3][lowerright] overlay=shortest=1:x=${half_width}:y=${half_height}[v]"\
    -map "[v]" -map "[outa]" -c:v libx264 -shortest -t $duration "100_100_hardcore_ghost_recon_future_soldier_coop_pc_${mission}4k.mp4"



  


  

  • The way I understand the code above has a split base for the entire duration of the video

  


  • One way that I could think of is to make individual videos separately. For example, the cutscenes from 00:00 to 01:15, 10:00 to 10:30 and 29:00 to end would be 3 separate videos. Remaining would be split screen videos and then I would have to merge all the 5 clips together using ffmpeg concat. Is there a better way ?