[html5] r8543 - [e] (0) Try to elaborate on why the UA might pick particular media tracks Fixing [...]
whatwg at whatwg.org
whatwg at whatwg.org
Thu Mar 13 16:33:05 PDT 2014
Author: ianh
Date: 2014-03-13 16:33:04 -0700 (Thu, 13 Mar 2014)
New Revision: 8543
Modified:
complete.html
index
source
Log:
[e] (0) Try to elaborate on why the UA might pick particular media tracks
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=24895
Affected topics: Video and Audio
Modified: complete.html
===================================================================
--- complete.html 2014-03-12 23:15:37 UTC (rev 8542)
+++ complete.html 2014-03-13 23:33:04 UTC (rev 8543)
@@ -298,7 +298,7 @@
<header class=head id=head><p><a href=http://www.whatwg.org/ class=logo><img width=101 src=/images/logo alt=WHATWG height=101></a></p>
<hgroup><h1 class=allcaps>HTML</h1>
- <h2 class="no-num no-toc">Living Standard — Last Updated 12 March 2014</h2>
+ <h2 class="no-num no-toc">Living Standard — Last Updated 13 March 2014</h2>
</hgroup><dl><dt><strong>Web developer edition:</strong></dt>
<dd><strong><a href=http://developers.whatwg.org/>http://developers.whatwg.org/</a></strong></dd>
<dt>Multiple-page version:</dt>
@@ -25529,7 +25529,7 @@
<p>Except where otherwise explicitly specified, the <a href=#task-source>task source</a> for all the tasks
<a href=#queue-a-task title="queue a task">queued</a> in this section and its subsections is the <dfn id=media-element-event-task-source>media
- element event task source</dfn>.</p>
+ element event task source</dfn> of the <a href=#media-element>media element</a> in question.</p>
</div>
@@ -26388,14 +26388,17 @@
<li>
+<!--CLEANUP-->
<p>If either the <a href=#media-resource>media resource</a> or the address of the <var title="">current
- media resource</var> indicate a particular set of audio or video tracks to enable, then the
+ media resource</var> indicate a particular set of audio or video tracks to enable,
+ or if the user agent has information that enabled it to select specific tracks for optimal performance, then the
selected audio tracks must be enabled in the element's <code title=dom-media-audioTracks><a href=#dom-media-audiotracks>audioTracks</a></code> object, and, of the selected video tracks,
the one that is listed first in the element's <code title=dom-media-videoTracks><a href=#dom-media-videotracks>videoTracks</a></code> object must be selected. All other tracks
must be disabled.</p>
- <p class=example>Again, this could be done, for example, using the <cite>Media Fragments
- URI</cite> fragment identifier syntax. <a href=#refsMEDIAFRAG>[MEDIAFRAG]</a></p>
+ <p class=example>This could again be triggered by <cite>Media Fragments URI</cite>
+ fragment identifier syntax, but it could also be triggered e.g. by the user agent selecting
+ a 5.1 surround sound audio track over a stereo audio track. <a href=#refsMEDIAFRAG>[MEDIAFRAG]</a></p>
</li>
Modified: index
===================================================================
--- index 2014-03-12 23:15:37 UTC (rev 8542)
+++ index 2014-03-13 23:33:04 UTC (rev 8543)
@@ -298,7 +298,7 @@
<header class=head id=head><p><a href=http://www.whatwg.org/ class=logo><img width=101 src=/images/logo alt=WHATWG height=101></a></p>
<hgroup><h1 class=allcaps>HTML</h1>
- <h2 class="no-num no-toc">Living Standard — Last Updated 12 March 2014</h2>
+ <h2 class="no-num no-toc">Living Standard — Last Updated 13 March 2014</h2>
</hgroup><dl><dt><strong>Web developer edition:</strong></dt>
<dd><strong><a href=http://developers.whatwg.org/>http://developers.whatwg.org/</a></strong></dd>
<dt>Multiple-page version:</dt>
@@ -25529,7 +25529,7 @@
<p>Except where otherwise explicitly specified, the <a href=#task-source>task source</a> for all the tasks
<a href=#queue-a-task title="queue a task">queued</a> in this section and its subsections is the <dfn id=media-element-event-task-source>media
- element event task source</dfn>.</p>
+ element event task source</dfn> of the <a href=#media-element>media element</a> in question.</p>
</div>
@@ -26388,14 +26388,17 @@
<li>
+<!--CLEANUP-->
<p>If either the <a href=#media-resource>media resource</a> or the address of the <var title="">current
- media resource</var> indicate a particular set of audio or video tracks to enable, then the
+ media resource</var> indicate a particular set of audio or video tracks to enable,
+ or if the user agent has information that enabled it to select specific tracks for optimal performance, then the
selected audio tracks must be enabled in the element's <code title=dom-media-audioTracks><a href=#dom-media-audiotracks>audioTracks</a></code> object, and, of the selected video tracks,
the one that is listed first in the element's <code title=dom-media-videoTracks><a href=#dom-media-videotracks>videoTracks</a></code> object must be selected. All other tracks
must be disabled.</p>
- <p class=example>Again, this could be done, for example, using the <cite>Media Fragments
- URI</cite> fragment identifier syntax. <a href=#refsMEDIAFRAG>[MEDIAFRAG]</a></p>
+ <p class=example>This could again be triggered by <cite>Media Fragments URI</cite>
+ fragment identifier syntax, but it could also be triggered e.g. by the user agent selecting
+ a 5.1 surround sound audio track over a stereo audio track. <a href=#refsMEDIAFRAG>[MEDIAFRAG]</a></p>
</li>
Modified: source
===================================================================
--- source 2014-03-12 23:15:37 UTC (rev 8542)
+++ source 2014-03-13 23:33:04 UTC (rev 8543)
@@ -27007,7 +27007,7 @@
<p>Except where otherwise explicitly specified, the <span>task source</span> for all the tasks
<span data-x="queue a task">queued</span> in this section and its subsections is the <dfn>media
- element event task source</dfn>.</p>
+ element event task source</dfn> of the <span>media element</span> in question.</p>
</div>
@@ -28030,16 +28030,20 @@
<li>
+<!--CLEANUP-->
<p>If either the <span>media resource</span> or the address of the <var data-x="">current
- media resource</var> indicate a particular set of audio or video tracks to enable, then the
+ media resource</var> indicate a particular set of audio or video tracks to enable,
+ or if the user agent has information that enabled it to select specific tracks for optimal performance, then the
selected audio tracks must be enabled in the element's <code
data-x="dom-media-audioTracks">audioTracks</code> object, and, of the selected video tracks,
the one that is listed first in the element's <code
data-x="dom-media-videoTracks">videoTracks</code> object must be selected. All other tracks
must be disabled.</p>
- <p class="example">Again, this could be done, for example, using the <cite>Media Fragments
- URI</cite> fragment identifier syntax. <a href="#refsMEDIAFRAG">[MEDIAFRAG]</a></p>
+ <p class="example">This could again be triggered by <cite>Media Fragments URI</cite>
+ fragment identifier syntax, but it could also be triggered e.g. by the user agent selecting
+ a 5.1 surround sound audio track over a stereo audio track. <a
+ href="#refsMEDIAFRAG">[MEDIAFRAG]</a></p>
</li>
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