W3C home > Mailing lists > Public > public-html-commits@w3.org > May 2010

html5/spec Overview.html,1.4079,1.4080

From: Ian Hickson via cvs-syncmail <cvsmail@w3.org>
Date: Wed, 05 May 2010 08:24:01 +0000
To: public-html-commits@w3.org
Message-Id: <E1O9Zth-0004bu-9H@lionel-hutz.w3.org>
Update of /sources/public/html5/spec
In directory hutz:/tmp/cvs-serv17696

Modified Files:
Log Message:
Captions - Stage 8: MIME registration for text/websrt and minor edits around that. (whatwg r5078)

Index: Overview.html
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.4079
retrieving revision 1.4080
diff -u -d -r1.4079 -r1.4080
--- Overview.html	5 May 2010 05:48:54 -0000	1.4079
+++ Overview.html	5 May 2010 08:23:57 -0000	1.4080
@@ -24,7 +24,7 @@
    @media screen { code { color: orangered; } code :link, code :visited { color: inherit; } }
    var sub { vertical-align: bottom; font-size: smaller; position: relative; top: 0.1em; }
    table { border-collapse: collapse; border-style: hidden hidden none hidden; }
-   table thead { border-bottom: solid; }
+   table thead, table tbody { border-bottom: solid; }
    table tbody th:first-child { border-left: solid; }
    table tbody th { text-align: left; }
    table td, table th { border-left: solid; border-right: solid; border-bottom: solid thin; vertical-align: top; padding: 0.2em; }
@@ -1251,7 +1251,8 @@
    <li><a href="#text-html"><span class="secno">12.1 </span><code>text/html</code></a></li>
    <li><a href="#text-html-sandboxed"><span class="secno">12.2 </span><code>text/html-sandboxed</code></a></li>
    <li><a href="#application-xhtml-xml"><span class="secno">12.3 </span><code>application/xhtml+xml</code></a></li>
-   <li><a href="#text-cache-manifest"><span class="secno">12.4 </span><code>text/cache-manifest</code></a></ol></li>
+   <li><a href="#text-cache-manifest"><span class="secno">12.4 </span><code>text/cache-manifest</code></a></li>
+   <li><a href="#text-websrt"><span class="secno">12.5 </span><code>text/websrt</code></a></ol></li>
  <li><a class="no-num" href="#index">Index</a>
    <li><a class="no-num" href="#elements-1">Elements</a></li>
@@ -20330,10 +20331,10 @@
   which those keywords map.<table><thead><tr><th>State
      <th>Brief description
-   <tbody><tr><td><dfn id="attr-track-kind-subtitle" title="attr-track-kind-subtitle">Subtitles</dfn>
+   <tbody><tr><td><dfn id="attr-track-kind-subtitles" title="attr-track-kind-subtitles">Subtitles</dfn>
      <td><dfn id="attr-track-kind-keyword-subtitles" title="attr-track-kind-keyword-subtitles"><code>subtitles</code></dfn>
      <td>Translation of the dialogue, suitable for when the sound is available but not understood (e.g. because the user does not understand the language of the <a href="#media-resource">media resource</a>'s soundtrack).
-    <tr><td><dfn id="attr-track-kind-caption" title="attr-track-kind-caption">Captions</dfn>
+    <tr><td><dfn id="attr-track-kind-captions" title="attr-track-kind-captions">Captions</dfn>
      <td><dfn id="attr-track-kind-keyword-captions" title="attr-track-kind-keyword-captions"><code>captions</code></dfn>
      <td>Transcription of the dialogue, suitable for when the soundtrack is unavailable (e.g. because it is muted or because the user is deaf). 
     <tr><td><dfn id="attr-track-kind-descriptions" title="attr-track-kind-descriptions">Descriptions</dfn>
@@ -20346,14 +20347,14 @@
      <td><dfn id="attr-track-kind-keyword-metadata" title="attr-track-kind-keyword-metadata"><code>metadata</code></dfn>
      <td>Tracks intended for use from script.
   </table><p>The attribute may be omitted. The <i>missing value default</i> is
-  the <span title="attr-track-kind-captions">captions</span> state.<p>The <dfn id="attr-track-src" title="attr-track-src"><code>src</code></dfn> attribute
+  the <a href="#attr-track-kind-captions" title="attr-track-kind-captions">captions</a> state.<p>The <dfn id="attr-track-src" title="attr-track-src"><code>src</code></dfn> attribute
   gives the address of the time track data. The value must be a
   <a href="#valid-non-empty-url-potentially-surrounded-by-spaces">valid non-empty URL potentially surrounded by
   spaces</a>. This attribute must be present.<p>The <dfn id="attr-track-srclang" title="attr-track-srclang"><code>srclang</code></dfn>
   attribute gives the language of the time track data. The value must
   be a valid BCP 47 language tag. This attribute must be present if
   the element's <code title="attr-track-kind"><a href="#attr-track-kind">kind</a></code> attribute is
-  in the <span title="attr-track-kind-subtitles">subtitles</span>
+  in the <a href="#attr-track-kind-subtitles" title="attr-track-kind-subtitles">subtitles</a>
   state. <a href="#refsBCP47">[BCP47]</a><p>The <dfn id="attr-track-label" title="attr-track-label"><code>label</code></dfn>
   attribute gives a user-readable title for the track.<p>There must not be two <code><a href="#the-track-element">track</a></code> element children of the
   same <a href="#media-element">media element</a> whose <code title="attr-track-kind"><a href="#attr-track-kind">kind</a></code> attributes are in the same
@@ -20447,22 +20448,10 @@
       - add stream(s) to play at end of current stream
       - pause playback upon reaching a certain time
       - playlists, with the ability to get metadata out of them (e.g. xspf)
-    * control over closed captions:
-      - enable, disable, select language
-      - event that sends caption text to script
-    * in-band metadata and cue points to allow:
-      - Chapter markers that synchronize to playback (without having to poll
-        the playhead position)
-      - Annotations on video content (i.e., pop-up video)
-      - General custom metadata store (ratings, etc.)
-    * notification of chapter labels changing on the fly:
-      - onchapterlabelupdate, which has a time and a label
-    * cue points that trigger at fixed intervals, so that
-      e.g. animation can be synced with the video
     * general meta data, implemented as getters (don't expose the whole thing)
       - getMetadata(key: string, language: string) => HTMLImageElement or string
       - onmetadatachanged (no context info)
-    * external captions support (request from John Foliot)
+      - general custom metadata store (ratings, etc.)
     * video: applying CSS filters
     * an event to notify people of when the video size changes
       (e.g. for chained Ogg streams of multiple independent videos)
@@ -22786,7 +22775,8 @@
-  <h5 id="websrt"><span class="secno"> </span>WebSRT</h5><h6 id="syntax-0"><span class="secno"> </span>Syntax</h6><p class="XXX">...
+  <h5 id="websrt"><span class="secno"> </span>WebSRT</h5><p>The WebSRT format (Web Subtitle Resource Tracks) is a format
+  intended for marking up external timed track resources.<h6 id="syntax-0"><span class="secno"> </span>Syntax</h6><p class="XXX">...
   <h6 id="parsing-0"><span class="secno"> </span>Parsing</h6><p class="XXX">...
@@ -65019,7 +65009,65 @@
    <dt>Change controller:</dt>
   </dl><p>Fragment identifiers have no meaning with
-  <code><a href="#text-cache-manifest">text/cache-manifest</a></code> resources.<h2 class="no-num" id="index">Index</h2><p class="XXX annotation"><b>Status: </b><i>Implemented and widely deployed</i><div class="impl">
+  <code><a href="#text-cache-manifest">text/cache-manifest</a></code> resources.<h3 id="text-websrt"><span class="secno">12.5 </span><dfn><code>text/websrt</code></dfn></h3><p>This registration is for community review and will be submitted
+  to the IESG for review, approval, and registration with IANA.</p><!--
+   To: ietf-types@iana.org
+   Subject: Registration of media type text/cues
+  --><dl><dt>Type name:</dt>
+   <dd>text</dd>
+   <dt>Subtype name:</dt>
+   <dd>websrt</dd>
+   <dt>Required parameters:</dt>
+   <dd>No parameters</dd>
+   <dt>Optional parameters:</dt>
+   <dd>No parameters</dd>
+   <dt>Encoding considerations:</dt>
+   <dd>Always UTF-8.</dd>
+   <dt>Security considerations:</dt>
+   <dd>
+    <p>Timed track files themselves pose no immediate risk unless
+    sensitive information is included within the
+    data. Implementations, however, are required to follow specific
+    rules when processing timed tracks, to ensure that certain
+    origin-based restrictions are honored. Failure to correctly
+    implement these rules can result in information leakage,
+    cross-site scripting attacks, and the like.</p>
+   </dd>
+   <dt>Interoperability considerations:</dt>
+   <dd>
+    Rules for processing both conforming and non-conforming content
+    are defined in this specification.
+   </dd>
+   <dt>Published specification:</dt>
+   <dd>
+    This document is the relevant specification.
+   </dd>
+   <dt>Applications that use this media type:</dt>
+   <dd>
+    Web browsers and other video players.
+   </dd>
+   <dt>Additional information:</dt>
+   <dd>
+    <dl><dt>Magic number(s):</dt>
+     <dd>No sequence of bytes can uniquely identify a WebSRT timed
+     track file.</dd>
+     <dt>File extension(s):</dt>
+     <dd>"<code title="">srt</code>"</dd>
+     <dt>Macintosh file type code(s):</dt>
+     <dd>No specific Macintosh file type codes are recommended for this type.</dd>
+    </dl></dd>
+   <dt>Person &amp; email address to contact for further information:</dt>
+   <dd>Ian Hickson &lt;ian@hixie.ch&gt;</dd>
+   <dt>Intended usage:</dt>
+   <dd>Common</dd>
+   <dt>Restrictions on usage:</dt>
+   <dd>No restrictions apply.</dd>
+   <dt>Author:</dt>
+   <dd>Ian Hickson &lt;ian@hixie.ch&gt;</dd>
+   <dt>Change controller:</dt>
+   <dd>WHATWG</dd>
+  </dl><p>Fragment identifiers have no meaning with
+  <code><a href="#text-websrt">text/websrt</a></code> resources.<h2 class="no-num" id="index">Index</h2><p class="XXX annotation"><b>Status: </b><i>Implemented and widely deployed</i><div class="impl">
   <p>The following sections only cover conforming elements and features.</p>
@@ -66704,8 +66752,8 @@
     <tr><th> <code title="">kind</code>
      <td> <code title="attr-track-kind"><a href="#attr-track-kind">track</a></code>
      <td> The type of timed track
-     <td> "<code title="attr-track-kind-subtitles">subtitles</code>";
-          "<code title="attr-track-kind-captions">captions</code>";
+     <td> "<code title="attr-track-kind-subtitles"><a href="#attr-track-kind-subtitles">subtitles</a></code>";
+          "<code title="attr-track-kind-captions"><a href="#attr-track-kind-captions">captions</a></code>";
           "<code title="attr-track-kind-descriptions"><a href="#attr-track-kind-descriptions">descriptions</a></code>";
           "<code title="attr-track-kind-chapters"><a href="#attr-track-kind-chapters">chapters</a></code>";
           "<code title="attr-track-kind-metadata"><a href="#attr-track-kind-metadata">metadata</a></code>"
@@ -69010,7 +69058,10 @@
   features first widely deployed by the Windows Internet Explorer
   browser.<p>Thanks to the participants of the microdata usability study for
   allowing us to use their mistakes as a guide for designing the
-  microdata feature.<div class="impl">
+  microdata feature.<p>Thanks to the SubRip community, including in particular Zuggy and
+  ai4spam, for their work on the SubRip software program whose SRT
+  file format was used as the basis for the WebSRT timed track file
+  format.<div class="impl">
   <p>Special thanks and $10,000 to David Hyatt who came up with a
   broken implementation of the <a href="#adoptionAgency">adoption
Received on Wednesday, 5 May 2010 08:24:02 UTC

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