I've filed issues for TAG review and firefox and webkit positions.
> Have you looked into other platform APIs that could benefit from being
able to explicitly specify intermediate format hinting and/or
transformation?
I don't think this kind of review can be done for all web APIs by one
person. It's up to spec editors in each area to identify these small
changes that improve dev experience and performance.
For media related things:
- VideoFrame is a versatile tool that can be created from
HTMLOrSVGImageElement, HTMLVideoElement, HTMLCanvasElement, ImageBitmap,
OffscreenCanvas without a copy. In a way this change extends
variety of export formats for all of them.
So lots of things can be exported to RGB bitmaps without a canvas now.
- AudioData has a way to be exported into different sampling formats.
On Wed, May 1, 2024 at 9:41 AM Mike Taylor <miketa...@chromium.org> wrote:
> +1. Would you mind also filing gecko and webkit positions? I expect them
> to be positive, given the informal signals you have in the spec PRs already
> - but this also lets them know we're moving ahead with shipping. Thanks -
> Mike
> On 5/1/24 11:51 AM, Alex Russell wrote:
>
> hey Eugene,
>
> This is an exciting an useful addition! Have you looked into other
> platform APIs that could benefit from being able to explicitly specify
> intermediate format hinting and/or transformation? It's a place where (had
> the TAG been consulted) I would have expected to see a larger chain of
> additions to make this work in other areas, or at least a discussion of why
> they aren't (or are?) being pursued. Have you looked into that?
>
> Best,
>
> Alex
>
> On Tuesday, April 30, 2024 at 3:51:01 PM UTC-7 Eugene Zemtsov wrote:
>
>> > Can you please request reviews for privacy, security, enterprise, etc
>> in the chromestatus entry?
>>
>> Done
>>
>> On Mon, Apr 29, 2024 at 7:44 AM Mike Taylor <miketa...@chromium.org>
>> wrote:
>>
>>> Can you please request reviews for privacy, security, enterprise, etc in
>>> the chromestatus entry?
>>> On 4/25/24 6:19 PM, 'Eugene Zemtsov' via blink-dev wrote:
>>>
>>> Contact emails ezemt...@google.com
>>>
>>> Explainer
>>> https://gist.github.com/Djuffin/9e2f98025ead49998524510cfeed8d33
>>>
>>> Specification https://www.w3.org/TR/webcodecs/#dom-videoframe-copyto
>>>
>>> Summary
>>>
>>> VideoFrame.copyTo() can convert pixel data to RGB pixel format
>>> Converting YUV video frames to RGB is often required for processing them in
>>> libraries like TensorFlow.js and OpenCV.js. Previously the only possible
>>> way to achieve this was rendering the frame on a canvas. Specifying
>>> VideoFrameCopyToOptions.format and VideoFrameCopyToOptions.colorSpace makes
>>> it possible to convert frames to RGB pixel formats by calling
>>> VideoFrame.copyTo() without having to use an extra canvas.
>>>
>>> Blink component Blink>Media>WebCodecs
>>> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EMedia%3EWebCodecs>
>>>
>>> Initial public proposal https://github.com/w3c/webcodecs/issues/92
>>>
>>> TAG review N/A since the change is minor
>>>
>>> Risks
>>>
>>>
>>> Interoperability and Compatibility
>>>
>>> None
>>>
>>>
>>> *Gecko*: Positive (
>>> https://github.com/w3c/webcodecs/pull/754#pullrequestreview-2008590591)
>>>
>>> *WebKit*: Positive TPAC 2023. Media working group session.
>>>
>>> *Web developers*:
>>> https://github.com/w3c/webcodecs/issues/92#issuecomment-1594083978
>>>
>>> *Other signals*:
>>>
>>> WebView application risks
>>>
>>> Does this intent deprecate or change behavior of existing APIs, such
>>> that it has potentially high risk for Android WebView-based applications?
>>>
>>> None
>>>
>>>
>>> Debuggability
>>>
>>> None
>>>
>>>
>>> Is this feature fully tested by web-platform-tests
>>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
>>> ? Yes
>>>
>>> https://wpt.fyi/results/webcodecs videoFrame-copyTo-rgb.any.js
>>>
>>>
>>> Estimated milestones
>>> Shipping on desktop 126
>>> Shipping on Android 126
>>>
>>> Link to entry on the Chrome Platform Status
>>> https://chromestatus.com/feature/4668827056209920
>>>
>>> --
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>>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAK8JDrGyVMDipu_nqd%3DKw_9eE2UMtdbiWjbqac0NquwNmm4DMg%40mail.gmail.com?utm_medium=email&utm_source=footer>
>>> .
>>>
>>>
>>
>> --
>> Thanks,
>> Eugene Zemtsov.
>>
>
--
Thanks,
Eugene Zemtsov.
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