Linked by Thom Holwerda on Mon 1st Oct 2012 22:55 UTC
General Development "Everyone seems to have a replacement for JavaScript - Google even has two. Now Microsoft has revealed that Anders Hejlsberg has been working on a replacement and it has released a preview of TypeScript. TypeScript is open source - Apache 2.0 license - and a superset of JavaScript. As you would expect from a Hejlsberg language it incorporates type checking, interfaces and lots of syntactic sugar."
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RE[5]: Does this fix the DOM too?
by zima on Sat 6th Oct 2012 18:21 UTC in reply to "RE[4]: Does this fix the DOM too?"
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Unlikely due to the codec. Chrome uses ffmpeg and its libavcodec. Opera uses GStreamer, ffmpeg/libavcodec also being its primary codec. FF probably the same. And all of them display that poorer-than-Flash performance when playing HTML5 video.

However, GNOME/GTK+ software using GStramer (Totem for example) has significantly better, proper performance. Mplayer, VLC, ffdshow (all using ffmpeg/libavcodec) also have proper performance - in fact, they are among the best performing software video players around.
Hell, using a small trick to embed MPlayer in a browser, redirecting video streams to it, results in... significantly better, "native" performance of streaming video playback (certainly better than HTML5 video, but also better than Flash; on processors notably slower than A64 3000+)

In one other recent discussion I mentioned to you, IIRC, my old Athlon XP 1700+ borderline-managing 720p H264 with the most optimised software decoder. It also handled SD/480p files more than fine when using the above (not the fastest) players, or Flash (this one again borderline, but still). HTML5? ...well, no way to check now, but I seriously doubt it.

Maybe there's something wrong with HTML5 video specs and/or what it tries to do & how it must be implemented due to that. Maybe Tim Berners-Lee was on the right track with his first browser, how it opened multimedia files in separate windows, IIRC...

Edited 2012-10-06 18:34 UTC

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