On Sat, Jan 09, 2016 at 03:10:48AM +1100, Jean-Yves Avenard wrote: > On 9 January 2016 at 01:22, compn <te...@mi.rr.com> wrote: > > > i think mozilla should share one test page with the hundred elements so > > that we can see first hand the destruction. > > here is a simple one: > http://people.mozilla.org/~cpearce/stress/ > > For our test page: > http://hg.mozilla.org/mozilla-central/raw-file/tip/layout/reftests/webm-video/object-fit-contain-webm-001.html > it contains 21 tiny videos, but when displayed very quickly with all > the ones found in > http://hg.mozilla.org/mozilla-central/raw-file/tip/layout/reftests/webm-video, > you easily reach > 100 videos. > > > > > > does this also happen with webp ? e.g. if all images are vp8 webp and if > > you used libavcodec to decode them? > > we don't support webp, but it would be unlikely as we only need the > decoder once to get the image. After that it can be shutdown. > > > > > because 100 images would be a real world test, and it would explain why > > this is needed. > > > > i've seen html pages with 100 videos, thats just a forum with a music > > thread where people post youtube music videos. set forum to display 100 > > posts at a time and thats easily 100 video elements on one page, > > although of course not playing at the same time. > > they are indeed very common. > > Even more so in China. Lots of shiny, moving web sites there with > animated smileys, buttons you name it.
at some low size and duration it would likely become more efficient to decode the video and store all decoded frames instead of keeping a decoder instance in memory to repeatly decode & cycle through the frames [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Into a blind darkness they enter who follow after the Ignorance, they as if into a greater darkness enter who devote themselves to the Knowledge alone. -- Isha Upanishad
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