track

track 要素 (HTML)

[32] track 要素は、 媒体要素が使用するテキストトラックを指定するものです。

文脈

[34] 媒体要素 (video 要素audio 要素) の子供として使うことができます。

歴史

前史

[47] itext

HTML5

[33] 2010年に WebSRT と共に HTML Standard に追加されました。

[49] HTML要素概説
要素名
track
日付
説明
HTML5track が追加された。 現行仕様である。
出典

[2] Web Applications 1.0 r5721 WebSRT fixes: added <track default> to make it possible to enable a text track by default; dropped <track charset>; dropped the voice identifier in favour of inline <v> annotations in WebSRT; dropped compatibility with legacy SRT; added a magic signature to WebSRT; added some forward-compatibility features to WebSRT for future expansion; simplified WebSRT timestamp syntax; added WebSRT <c.foo.bar> syntax and support for classes in WebSRT; added '&gt;' escape support; tightened up WebSRT timestamp parsing; added ::cue() which takes a selector; dropped ::cue-part; added :past/:future; added some explanatory material and fixed some typos. ( ( 版)) http://html5.org/tools/web-apps-tracker?from=5720&to=5721

[3] Web Applications 1.0 r5945 ( ( 版)) http://html5.org/tools/web-apps-tracker?from=5944&to=5945

[4] Web Applications 1.0 r5960 ( ( 版)) http://html5.org/tools/web-apps-tracker?from=5959&to=5960

[5] [whatwg] Timed tracks: feedback compendium ( 版) http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2010-September/028476.html

[6] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5070&to=5071

[7] Web Applications 1.0 r7326 <track> loading algorithm updates (part 1) ( ( 版)) http://html5.org/tools/web-apps-tracker?from=7325&to=7326

[8] Web Applications 1.0 r7327 Reform the processing model around loading of text tracks to solve a number of problems: what happens when there's no media element parent, how to make sure we pick the right text track when there's a user preference, and some race conditions ( ( 版)) http://html5.org/tools/web-apps-tracker?from=7326&to=7327

[9] Web Applications 1.0 r7328 Make text track cues more forgiving: drop the concept of cues being 'associated' with something, and make .snapToLines and .line allow invalid values and just have those be ignored in the rendering. ( ( 版)) http://html5.org/tools/web-apps-tracker?from=7327&to=7328

[10] [whatwg] Tracks and cues ( ( 版)) http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-October/037644.html

[11] Web Applications 1.0 r7528 Make the <track default> element restrictions make more sense ( ( 版)) http://html5.org/tools/web-apps-tracker?from=7527&to=7528

[12] 629350 – Implement the track element ( ( 版)) https://bugzilla.mozilla.org/show_bug.cgi?id=629350

[13] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5131&to=5132

[14] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5150&to=5151

[15] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5074&to=5075

[16] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5110&to=5111

[17] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5123&to=5124

[18] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5095&to=5096

[19] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5153&to=5154

[20] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5132&to=5133

[21] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5138&to=5139

[22] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5137&to=5138

[23] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5151&to=5152

[24] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5091&to=5092

[25] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5096&to=5097

[26] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5142&to=5143

[27] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5076&to=5077

[28] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5109&to=5110

[29] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5152&to=5153

[35] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5072&to=5073

[36] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5073&to=5074

[38] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5075&to=5076

[39] HTML5 Revision Tracker ( 版) http://html5.org/tools/web-apps-tracker?from=5077&to=5078

[30] Sourcing In-band Media Resource Tracks from Media Containers into HTML ( ( 版)) http://rawgit.com/silviapfeiffer/HTMLSourcingInbandTracks/master/index.html

[37] Integrate Fetch into HTML · whatwg/html@7c5555a ( 版) https://github.com/whatwg/html/commit/7c5555a16f2920c02244c10756bb2f1a11e87a22

[40] URLs are parsed and produce records · whatwg/html@30bc255 ( 版) https://github.com/whatwg/html/commit/30bc2557105ad62881ec9670f253febbc9761b44

[41] 18029 – <track> Live captioning ( 版) https://www.w3.org/Bugs/Public/show_bug.cgi?id=18029

[42] 23414 – <track> Live captioning - maybe need a way to indicate that a <track>'s data is streaming-aware ( 版) https://www.w3.org/Bugs/Public/show_bug.cgi?id=23414

[43] Split up media into video, audio and track (yoavweiss著, ) https://github.com/whatwg/fetch/commit/ba175cf1100045da83ed0d7768629653aa979c20

[44] Fetch removes type in favor of just destination (annevk著, ) https://github.com/whatwg/html/commit/5f59b7a73d450e244a573e5916deb1c2037c1366

[45] Track being the only media type that is blocked · Issue #13 · w3c/webappsec-mixed-content () https://github.com/w3c/webappsec-mixed-content/issues/13