Re: Lack of removeTextTrack?

On Wed, 25 Feb 2015 08:51:09 +0100, Ian Devlin <ian@iandevlin.com> wrote:

> Karl, thanks for the investigation. I was concentrating on the fact that  
> it
> wasn't in the spec., hence I never checked the individial browser's bug
> reports.
>
> I did perform a search on the mailing list however, but it came back with
> nothing which is odd as you clearly show that isn't the case. I must have
> made a mistake somehow, sorry, I wasn't being lazy!
>
> Not sure about Mozilla's "it wouldn't be good to be able to remove
> TextTracks that have been sourced from the media resource or from
> TrackElement for that matter", with no explanation as to WHY it wouldn't  
> be
> good.
>
> https://www.w3.org/Search/Mail/Public/search?keywords=removetexttrack
> reports "As per discussion of cloned by in WHATWG, there is no need for
> this feature at this time, so marking WONTFIX for now.", where/how might
> one find more information on this discussion? I cannot find it.

Blocks: 22601

https://www.w3.org/Bugs/Public/show_bug.cgi?id=22601

> I am only asking about this as I needed removeTextTrack the other day and
> was surprised to find that it doesn't exist, even for completeness sake
> (weak argument I know).

Why did you need it?

> ======================================
> Ian Devlin
> iandevlin.com <http://www.iandevlin.com>
> @iandevlin <http://www.twitter.com/iandevlin>
> skype: idevlin
> ======================================
>
> On 25 February 2015 at 03:11, Karl Dubost <karl@la-grange.net> wrote:
>
>> Ian,
>>
>>
>> Le 25 févr. 2015 à 05:38, Ian Devlin <ian@iandevlin.com> a écrit :
>> > I was exploring the Text Track API the other day and noticed that
>> although there's a function to add a text track to media,  
>> addTextTrack() (
>> http://www.w3.org/html/wg/drafts/html/master/#dom-media-addtexttrack)
>> there doesn't seem to be any way to remove one, for example
>> removeTextTrack().
>>
>> I don't know myself.
>> Digging around:
>>
>> # Apple
>> * Bug 114630: HTMLMediaElement::removeTextTrack should clear track  
>> client
>> (FIXED)
>>   https://bugs.webkit.org/show_bug.cgi?id=114630
>>
>> # Mozilla
>> * Bug 891052 - [webvtt] Implement RemoveTextTrack() (INVALID)
>>   https://bugzilla.mozilla.org/show_bug.cgi?id=891052
>>   According to the discussion on the W3C bug this won't be
>>   implemented in the near future as it wouldn't be good to
>>   be able to remove TextTracks that have been sourced from
>>   the media resource or from TrackElement for that matter.
>>
>> # Google
>>   Issue 249427: Implement HTMLMediaElement.audioTracks &
>> HTMLMediaElement.videoTracks
>>   https://code.google.com/p/chromium/issues/detail?id=249427#c6
>>
>> # W3C
>> * Bug 22597 - Add API for RemoveTextTrack() (WONTFIX)
>>   https://www.w3.org/Bugs/Public/show_bug.cgi?id=22597
>> * List results
>>   https://www.w3.org/Search/Mail/Public/search?keywords=removetexttrack
>>
>>
>> --
>> Karl Dubost 🐄
>> http://www.la-grange.net/karl/
>>
>>


-- 
Simon Pieters
Opera Software

Received on Thursday, 26 February 2015 09:14:36 UTC