Re: Image Capture spec: new version

On Wed, Oct 29, 2014 at 7:15 PM, Johannes Odland <>

> Remember that the purpose of the grabFrame() is to be able to both analyse
> and manipulate frames in the video feed.
> ImageBitmap will not provide direct access to individual pixels. Neither
> will converting the ImageBitmap to a blob. I suggest we stay with ImageData.

What if you want manipulate frames using WebGL? Then you really *don't*
want to use ImageData since that would require pulling image data into main
memory (converting to RGB) even if there's a direct way to copy data from
the camera to VRAM.

Convenience methods to convert ImageBitmap to Blobs and ImageData are
needed, although you can work around them for now using an intermediate

oIo otoeololo oyooouo otohoaoto oaonoyooonoeo owohooo oioso oaonogoroyo
owoiotoho oao oboroootohoeoro oooro osoiosotoeoro owoiololo oboeo
osouobojoeocoto otooo ojouodogomoeonoto.o oAogoaoiono,o oaonoyooonoeo
osoaoyoso otooo oao oboroootohoeoro oooro osoiosotoeoro,o o‘oRoaocoao,o’o
oaonosowoeoroaoboloeo otooo otohoeo ocooouoroto.o oAonodo oaonoyooonoeo
osoaoyoso,o o‘oYooouo ofooooolo!o’o owoiololo oboeo oiono odoaonogoeoro
otohoeo ofoioroeo ooofo ohoeololo.

Received on Wednesday, 29 October 2014 13:11:22 UTC