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• avcodec/exrenc : Mark encoder as init-threadsafe

  5 mai 2021, par Andreas Rheinhardt

  avcodec/exrenc : Mark encoder as init-threadsafe
  Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
  

  • [DH] libavcodec/exrenc.c

• Web-based video editor

  10 octobre 2014, par Danny

  We have a web-based editor currently that allows users to build animated web apps. The apps are made up of shapes, text, images, and videos. Except for videos, all other elements can also be animated around the screen. The result of building a animated app is basically a big blob of JSON.

  The playback code for the web app is web-based as well. It takes the JSON blob and constructs the HTML, which ends up playing back in some sort of browser environment. The problem is that most of the time this playback occurs on lower-end hardware like televisions and set-top boxes.

  These performance issues go away if there is some way to be able to convert a digital sign to video. Then the STB/smart TV simply plays a video, which is much more performant than playing back animations in a web view.

  Given a blob of JSON describing each layer and how to draw each type of object, its animation points, etc, how could I somehow take that and convert it to video on the server ?

  My first attempt at this was using PhantomJS to load the playback page in a headless browser, take a series of screenshots, and then use ffmpeg to merge those screenshots into a video. That worked great so long as there is no video. But it does not work with video since there is no HTML5 video tag support in PhantomJS, and even if there was, I would lose any audio.

  The other way I was thinking of doing it would be to again load the playback page in PhantomJS, but turn off the video layers and leave them transparent, then take screenshots as a series of PNGs with transparency. I would then combine these with the video layers.

  None of this feels very elegant though. I know there are web-based video editors out there that basically do what I’m trying to accomplish, so how do they do it ?

• Piwik and Piwik PRO featured in TrustRadius buyer’s guide

  3 septembre 2014, par Piwik Core Team — About, Meta

  We are proud that Piwik and Piwik PRO are being featured in the TrustRadius Buyer’s Guide to Digital Analytics Software and scooping up two awards :

  

  Piwik Named A Leader in TrustRadius Digital Analytics TrustMap™ for Small Businesses.

  Piwik Rated Strong Performer in TrustRadius Digital Analytics TrustMap ™ for Enterprise.

  Rankings Based on User Ratings and Market Segment Adoption

  Learn more

  The TrustRadius TrustMaps™ guide features reviews from authenticated TrustRadius users on a number of digital analytics platforms from the biggest names in the digital analytics industry – Piwik and Piwik PRO being two of them. You can download your free copy of the buyer’s guide here (Note : there is a form to fill before you can download the PDF).

  Read the TrustRadius user reviews about Piwik on their website.

  Or view other awards won by Piwik here.