[cvs-annodex] commit (/annodex):
standards/draft-pfeiffer-temporal-fragments-current.xml
silvia
nobody at lists.annodex.net
Sun Feb 13 15:20:08 EST 2005
Update of /annodex (new revision 884)
Modified files:
standards/draft-pfeiffer-temporal-fragments-current.xml
Log Message:
Improved some introductory sentences.
Modified: standards/draft-pfeiffer-temporal-fragments-current.xml
===================================================================
--- standards/draft-pfeiffer-temporal-fragments-current.xml 2005-02-13 01:22:31 UTC (rev 883)
+++ standards/draft-pfeiffer-temporal-fragments-current.xml 2005-02-13 04:20:06 UTC (rev 884)
@@ -76,29 +76,17 @@
information.
</t>
- <t>The URI query specification of this syntax implies
- that a Web server is capable to extract the given time
- subsections from the Web resource and serve that as another
- Web resource of the same type. Specifying a time point
+ <t>When a server (e.g. a Web Server) supports the URI query syntax
+ it is able to extract the given time
+ subsections from the resource and serve that as another
+ resource of the same type. Specifying a time point
or interval through a URI fragment in contrast does not deliver
- a subpart of the Web resource - instead it is up to the
- application and the resource type as to what action is
+ a subpart of the resource - instead it is up to the
+ user agent and the resource type as to what action is
invoked. Examples are a fast forward to a time point, or a zoom
into a time interval.
</t>
- <t>The temporal URI queries and fragments specified in this
- document have been implemented and proven to work with
- <xref target="ANX">Annodex</xref> and <xref
- target="CMML">CMML</xref> format Web resources over
- <xref target="HTTP">HTTP</xref>. A possible implementation
- over <xref target="RTSP">RTP/RTSP</xref> for Internet
- streaming is being specified. Usage with other protocols
- is possible, but has not been explored yet.
- Also note that RealNetworks is using an different syntax
- for the query case for RealMedia over RTP/RTSP.
- </t>
-
<t>The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL
NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and
"OPTIONAL" in this document are to be interpreted as described
@@ -128,21 +116,41 @@
subparts e.g. for reusing them.
</t>
- <t>Files containing commands for creating time-continuous
+ <t>The temporal URI interval specifications are to be
+ used on resources that represent a specific timeline. An example
+ of such resources are most resources of MIME types "audio/*" and
+ "video/*". Files containing commands for creating time-continuous
experiences (such as SMIL files for authoring interactive
multimedia, or VRML files for authoring 3D worlds) cannot be
- addressed in this manner - however, if one particular user
+ addressed in this manner. However, if one particular user
interaction (i.e. one experience) is recorded, the recording
- contains information that relates to a single timeline and can
+ contains data that relates to a single timeline and can
be addressed with the manner described in this specification.
</t>
- <t>The temporal URI interval specifications are to be
- used on resources that represent a specific timeline. An example
- of such resources are most resources of MIME types "audio/*" and
- "video/*".
+ <t>The temporal URI queries and fragments specified in this
+ document have been implemented and proven to work with
+ <xref target="ANX">Annodex</xref> and <xref
+ target="CMML">CMML</xref> format Web resources over
+ <xref target="HTTP">HTTP</xref>. A possible implementation
+ over <xref target="RTSP">RTP/RTSP</xref> for Internet
+ streaming is being specified. Usage with other protocols
+ is possible, but has not been explored yet.
</t>
+ <t>Also note that RealNetworks is using a different syntax
+ for querying temporal intervals of RealMedia over RTP/RTSP.
+ </t>
+
+ <t>This specification starts with a general recapture about
+ possibilites for incorporating temporal addressing means into
+ the generic URI addressing scheme. It then specifies the syntax
+ of temporal URI queries and fragments, and provides some
+ time schemes. Implementation over HTTP and RTP/RTSP is
+ specified subsequently and finally security considerations are
+ discussed.
+ </t>
+
</section>
--
silvia
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