Martin.leese: Added {{DISPLAYTITLE:transOgg}}. Changes HTML tag, but not article title. Should work when Wiki upgraded to 1.7.</h1> <p>2012-09-28T16:28:42Z</p> <p>Added {{DISPLAYTITLE:transOgg}}. Changes HTML <title> tag, but not article title. Should work when Wiki upgraded to 1.7.</p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 16:28, 28 September 2012</td> </tr><tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">{{DISPLAYTITLE:transOgg}}</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Image:proposed-transogg-logo.png|415px|right]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Image:proposed-transogg-logo.png|415px|right]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> </table> </article> <article> <h1>Xiphmont at 09:47, 27 September 2012</h1> <p>2012-09-27T09:47:01Z</p> <p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 09:47, 27 September 2012</td> </tr><tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">[[Image:proposed-transogg-logo.png|415px|right]]</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Due to limitations of wiki-syntax, it should be noted that this page cannot be correctly titled 'transOgg'. The 't' in 'transOgg' is lowercase.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Due to limitations of wiki-syntax, it should be noted that this page cannot be correctly titled 'transOgg'. The 't' in 'transOgg' is lowercase.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>  </table> </article> <article> <h1>Xiphmont: Add new section for seeking proposals</h1> <p>2012-09-18T21:49:12Z</p> <p>Add new section for seeking proposals</p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 21:49, 18 September 2012</td> </tr><tr><td colspan="2" class="diff-lineno">Line 138:</td> <td colspan="2" class="diff-lineno">Line 138:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>address allowed and disallowed behavior to the most complete degree</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>address allowed and disallowed behavior to the most complete degree</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>achievable.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>achievable.</div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">= Proposals / Commentary Requested =</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">transOgg is a specification in the early stages of design. As such, we're soliciting feedback on specific design proposals below, with more to be added over time as the design process approaches new milestones.</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [[TransOgg_Seeking_Proposals]]: Three proposed seeking mechanism variants for transOgg.</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Specification =</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Specification =</div></td></tr> </table> </article> <article> <h1>Martin.leese: /* What is transOgg? / Typo</h1> <p>2012-09-03T18:29:42Z</p> <p><span class="autocomment">What is transOgg?: </span> Typo</p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 18:29, 3 September 2012</td> </tr><tr><td colspan="2" class="diff-lineno">Line 7:</td> <td colspan="2" class="diff-lineno">Line 7:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>This page presents an overview of nebulous transOgg design points and rationale.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>This page presents an overview of nebulous transOgg design points and rationale.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>As of today, transOgg exists only in the form of the whitepapers and structure proposals here. This spec only in the very early stages of being written. No code exists as yet.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>As of today, transOgg exists only in the form of the whitepapers and structure proposals here. This spec <ins class="diffchange diffchange-inline">is </ins>only in the very early stages of being written. No code exists as yet.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Design Points =</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Design Points =</div></td></tr> </table> </article> <article> <h1>Xiphmont: update transogg status now that the project is now becoming 'official'/active</h1> <p>2012-09-03T16:02:02Z</p> <p>update transogg status now that the project is now becoming 'official'/active</p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 16:02, 3 September 2012</td> </tr><tr><td colspan="2" class="diff-lineno">Line 3:</td> <td colspan="2" class="diff-lineno">Line 3:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= What is transOgg? =</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= What is transOgg? =</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>For a long time there have been discussions of what we <del class="diffchange diffchange-inline">(</del>Xiph<del class="diffchange diffchange-inline">) </del>would change in the Ogg container <del class="diffchange diffchange-inline">if </del>we <del class="diffchange diffchange-inline">had the luxury of breaking </del>spec. transOgg <del class="diffchange diffchange-inline">is what I (xiphmont) would change; it </del>is an updated Ogg container (ie Ogg 2<del class="diffchange diffchange-inline">.0</del>) that makes some changes to the</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>For a long time there have been discussions of what we <ins class="diffchange diffchange-inline">in </ins>Xiph would change in the Ogg container <ins class="diffchange diffchange-inline">once </ins>we <ins class="diffchange diffchange-inline">considered it appropriate to break </ins>spec. transOgg is an updated Ogg container (ie Ogg <ins class="diffchange diffchange-inline">v </ins>2) that makes some changes to the</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Ogg transport layer and more directly tackles metadata. [[TransOggChangesFromOgg|transOgg: Changes from Ogg]] summarizes the major changes from the original Ogg container design.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Ogg transport layer and more directly tackles metadata. [[TransOggChangesFromOgg|transOgg: Changes from Ogg]] summarizes the major changes from the original Ogg container design.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>This page presents an overview of nebulous transOgg design points and rationale.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>This page presents an overview of nebulous transOgg design points and rationale.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>transOgg <del class="diffchange diffchange-inline">is as yet </del>only <del class="diffchange diffchange-inline">vapour </del>and <del class="diffchange diffchange-inline">a personal proposal rather than an official Xiph project/effort</del>. This spec only in the very early stages of being written.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">As of today, </ins>transOgg <ins class="diffchange diffchange-inline">exists </ins>only <ins class="diffchange diffchange-inline">in the form of the whitepapers </ins>and <ins class="diffchange diffchange-inline">structure proposals here</ins>. <ins class="diffchange diffchange-inline"> </ins>This spec only in the very early stages of being written<ins class="diffchange diffchange-inline">. No code exists as yet</ins>.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Design Points =</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Design Points =</div></td></tr>  </table> </article> <article> <h1>Xiphmont: shift thinking somewhat on EBL</h1> <p>2012-09-03T15:58:51Z</p> <p>shift thinking somewhat on EBL</p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 15:58, 3 September 2012</td> </tr><tr><td colspan="2" class="diff-lineno">Line 93:</td> <td colspan="2" class="diff-lineno">Line 93:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Metadata is everything in a stream/file that is not the media stream</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Metadata is everything in a stream/file that is not the media stream</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>itself. transOgg proposes use <del class="diffchange diffchange-inline">of </del>Matroska-style metadata in an EBML</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>itself. transOgg proposes use <ins class="diffchange diffchange-inline">a packed encoding for metadata types unlikely to see much flux, and an extensibly-structured encoding for more free-form types (eg, </ins>Matroska-style metadata in an EBML</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>encoding.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>encoding <ins class="diffchange diffchange-inline">for stream tagging)</ins>.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Metadata encompasses a number of semantically quite different</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Metadata encompasses a number of semantically quite different</div></td></tr>  </table> </article> <article> <h1>Xiphmont at 08:48, 28 May 2010</h1> <p>2010-05-28T08:48:25Z</p> <p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 08:48, 28 May 2010</td> </tr><tr><td colspan="2" class="diff-lineno">Line 7:</td> <td colspan="2" class="diff-lineno">Line 7:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>This page presents an overview of nebulous transOgg design points and rationale.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>This page presents an overview of nebulous transOgg design points and rationale.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">TransOgg </del>is as yet only vapour and a personal proposal rather than an official Xiph project/effort. This spec only in the very early stages of being written.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">transOgg </ins>is as yet only vapour and a personal proposal rather than an official Xiph project/effort. This spec only in the very early stages of being written.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Design Points =</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Design Points =</div></td></tr>  </table> </article> <article> <h1>Xiphmont: Edit for concision</h1> <p>2010-05-28T08:06:15Z</p> <p>Edit for concision</p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 08:06, 28 May 2010</td> </tr><tr><td colspan="2" class="diff-lineno">Line 3:</td> <td colspan="2" class="diff-lineno">Line 3:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= What is transOgg? =</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= What is transOgg? =</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>For a long time there have been discussions of what we (Xiph) would change in the Ogg container if we had the luxury of breaking spec. transOgg is what I (xiphmont) would change <del class="diffchange diffchange-inline">or update. TransOgg </del>is an updated Ogg container (ie Ogg 2.0) that makes some changes to the</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>For a long time there have been discussions of what we (Xiph) would change in the Ogg container if we had the luxury of breaking spec. transOgg is what I (xiphmont) would change<ins class="diffchange diffchange-inline">; it </ins>is an updated Ogg container (ie Ogg 2.0) that makes some changes to the</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Ogg transport layer and more directly tackles metadata. [[TransOggChangesFromOgg|transOgg: Changes from Ogg]] summarizes the major changes from the original Ogg container design.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Ogg transport layer and more directly tackles metadata. [[TransOggChangesFromOgg|transOgg: Changes from Ogg]] summarizes the major changes from the original Ogg container design.</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>This page presents <del class="diffchange diffchange-inline">a long-winded, standalone </del>overview of transOgg design points and rationale.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>This page presents <ins class="diffchange diffchange-inline">an </ins>overview of <ins class="diffchange diffchange-inline">nebulous </ins>transOgg design points and rationale.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>TransOgg is as yet only vapour and <del class="diffchange diffchange-inline">more of </del>a personal proposal than an official Xiph project/effort. This spec only in the very early stages of being written.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>TransOgg is as yet only vapour and a personal proposal <ins class="diffchange diffchange-inline">rather </ins>than an official Xiph project/effort. This spec only in the very early stages of being written.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Design Points =</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Design Points =</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 13:</td> <td colspan="2" class="diff-lineno">Line 13:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>In no particular order:</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>In no particular order:</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div> transOgg is degined for local storage and packet-based transport<del class="diffchange diffchange-inline">. It is arranged to minimize round-trips ('seeks' or 'random access') for potentially ultra-high latency systems like HTTP streaming, as well as avoid any structural requirement to burst large amounts of data in a constrained-rate stream</del>. Some intended uses include:</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* transOgg is degined for local storage and packet-based transport. Some intended uses include:</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> HTTP push/pull streaming (eg, HTML5, icecast/shoutcast).</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> HTTP push/pull streaming (eg, HTML5, icecast/shoutcast).</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> local file storage (eg, digital video storage and online distribution) </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> local file storage (eg, digital video storage and online distribution) </div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 23:</td> <td colspan="2" class="diff-lineno">Line 23:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* The transOgg container is structurally designed for streaming (both live and progressive download). It is not possible to construct a valid transOgg stream that is unsuitable for streaming.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* The transOgg container is structurally designed for streaming (both live and progressive download). It is not possible to construct a valid transOgg stream that is unsuitable for streaming.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* transOgg defines two steam types: continuous-time and discontinuous-time. Continuous-time streams are gapless media such as video and audio. Discontinuous-time streams are media types with unpredictably or irregularly placed data, such as subtitles and timed metadata. <del class="diffchange diffchange-inline">(expand on continuous types and how to 'suspend' the stream using null pages/null packets and duration fields)</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* transOgg defines two steam types: continuous-time and discontinuous-time. Continuous-time streams are gapless media such as video and audio. Discontinuous-time streams are media types with unpredictably or irregularly placed data, such as subtitles and timed metadata.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* transOgg metadata is structurally encapsulated into the transport stream but located at fixed, predictable positions (excepting streamed metadata, which are treated as a discontinuous stream).</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* transOgg metadata is structurally encapsulated into the transport stream but located at fixed, predictable positions (excepting streamed metadata, which are treated as a discontinuous stream).</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* transOgg retains Ogg's <del class="diffchange diffchange-inline">non-heirarchical </del>page structure. The new page <del class="diffchange diffchange-inline">structure </del>is a blend of Ogg pages, Matroska clusters/blocks and NUT packets. Achievable minimum overhead drops to under .04%; practical overhead improves upon NUT, Ogg and Matroska.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* transOgg retains Ogg's <ins class="diffchange diffchange-inline">flat </ins>page structure. The new<ins class="diffchange diffchange-inline">/tweaked </ins>page <ins class="diffchange diffchange-inline">primitive </ins>is a blend of Ogg pages, Matroska clusters/blocks and NUT packets. Achievable minimum overhead drops to under .04%; practical overhead improves upon NUT, Ogg and Matroska.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* A transOgg stream always captures and begins demux within 128kB maximum. Fine-grained capture is necessary for efficient streaming, seeking and scrubbing. The overhead tradeoff of a frequent capture pattern is negligable and fully offset by other improvements.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* A transOgg stream always captures and begins demux within 128kB maximum. Fine-grained capture is necessary for efficient streaming, seeking and scrubbing. The overhead tradeoff of a frequent capture pattern is negligable and fully offset by other improvements.</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 35:</td> <td colspan="2" class="diff-lineno">Line 35:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* transOgg buffering is simple and explicitly specified.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* transOgg buffering is simple and explicitly specified.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* transOgg implements nonlinear features such as menus, chapters, loop points, and branch points out of its linear stream transport by borrowing <del class="diffchange diffchange-inline">as completely as possible </del>from CMML, Skeleton and Matroska's EBML metadata specification.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* transOgg implements nonlinear features such as menus, chapters, loop points, and branch points out of its linear stream transport by borrowing from CMML, Skeleton and Matroska's EBML metadata specification.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Valid transOgg streams may be concatenated to form a new, valid transOgg stream. Mandatory reverse linkage at the end of each stream eliminates the need for interpolated bisection search when opening concatenated streams. Cross-link metadata provides file-global indexing and chaptering for chained streams.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Valid transOgg streams may be concatenated to form a new, valid transOgg stream. Mandatory reverse linkage at the end of each stream eliminates the need for interpolated bisection search when opening concatenated streams. Cross-link metadata provides file-global indexing and chaptering for chained streams.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* transOgg metadata begins and ends every stream. <del class="diffchange diffchange-inline">It </del>is mandatory, fully specified, and part of 'container knowledge'.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* transOgg metadata begins and ends every stream. <ins class="diffchange diffchange-inline">Metadata </ins>is mandatory, fully specified, and part of 'container knowledge'.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> A transOgg stream must begin with the master metadata header. This master header is the first page[s] of the physical transOgg bitstream as well as the logical master metadata stream.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> A transOgg stream must begin with the master metadata header. This master header is the first page[s] of the physical transOgg bitstream as well as the logical master metadata stream.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> The metadata stream is a discontinuous stream that may provide additional timed metadata and events throughout the stream, similar to NUT 'info packets'.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> The metadata stream is a discontinuous stream that may provide additional timed metadata and events throughout the stream, similar to NUT 'info packets'.</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div> A transOgg stream must end with metadata footer page[s] <del class="diffchange diffchange-inline"> </del>that provide reverse linkage to the beginning of the stream.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> A transOgg stream must end with metadata footer page[s] that provide<ins class="diffchange diffchange-inline">, among other things, </ins>reverse linkage to the beginning of the stream.</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div> Tags (user contributed metadata) and Cues (the index) may appear at the head of the stream or in the footer, as may any other metadata elements that could not be known before stream end in a live stream (eg, duration). Single-pass creation tools write these elements in the footer metadata. Tools can later move these <del class="diffchange diffchange-inline"> </del>elements to the header metadata. All other metadata elements may appear only in the header.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> Tags (user contributed metadata) and Cues (the index) may appear at the head of the stream or in the footer, as may any other metadata elements that could not be known before stream end in a live stream (eg, duration). Single-pass creation tools write these elements in the footer metadata. Tools can later move these elements to the header metadata. All other metadata elements may appear only in the header.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* Headerless capture, multicast, and stateless unicast MAY be supported within the metadata stream using "rolling headers",similar to the "rolling intra" mechanism proposed for the Theora videocodec. This allows stream capture and playback in a bounded timeperiod without OOB transmission of headers or bitrate spikes. It also facilitates file recovery in the event the stream headers are lost.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* Headerless capture, multicast, and stateless unicast MAY be supported within the metadata stream using "rolling headers", similar to the "rolling intra" mechanism proposed for the Theora videocodec. This allows stream capture and playback in a bounded timeperiod without OOB transmission of headers or bitrate spikes. It also facilitates file recovery in the event the stream headers are lost.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* Structural codec metadata, such as timebase, keyframing, coding delay, page duration, etc, are replicated in the transOgg container. Unlike Ogg (and to a lesser degree Matroska), no knowledge must be queried or assumed based on the specific codecs in use inorder to mux, demux, remux, repaginate, or seek in a bitstream.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* Structural codec metadata, such as timebase, keyframing, coding delay, page duration, etc, are replicated in the transOgg container. Unlike Ogg (and to a lesser degree Matroska), no knowledge must be queried or assumed based on the specific codecs in use inorder to mux, demux, remux, repaginate<ins class="diffchange diffchange-inline">, transmux</ins>, or seek in a bitstream.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* As in NUT, all streams have their own rational timebase. The encoding used is a parameterized generalization of <del class="diffchange diffchange-inline">Ogggranule </del>positions. The granule timebase and parameters are fully specified and declared in the container. The granule mechanism is capable of exact sample positioning without approximation, expressing PTS and DTS of out-of-order encodings, preroll/delay of keyframe-lesscodecs, and distance from last syncpoint.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* As in NUT, all streams have their own rational timebase. The encoding used is a parameterized generalization of <ins class="diffchange diffchange-inline">Ogg granule </ins>positions. The granule timebase and parameters are fully specified and declared in the container. The granule mechanism is capable of exact sample positioning without approximation, expressing PTS and DTS of out-of-order encodings, preroll/delay of keyframe-lesscodecs, and distance from last syncpoint.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* All encapsulated packets are stamped with full DTS, PTS, duration, delay, and syncpoint distance.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* All encapsulated packets are stamped with full DTS, PTS, duration, delay, and syncpoint distance.</div></td></tr> </table> </article> <article> <h1>Xiphmont at 07:57, 28 May 2010</h1> <p>2010-05-28T07:57:29Z</p> <p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 07:57, 28 May 2010</td> </tr><tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Due to limitations of wiki-syntax, it should be noted that this page cannot be correctly titled 'transOgg'. The 't' is lowercase.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>Due to limitations of wiki-syntax, it should be noted that this page cannot be correctly titled 'transOgg'. The 't<ins class="diffchange diffchange-inline">' in 'transOgg</ins>' is lowercase.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= What is transOgg? =</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= What is transOgg? =</div></td></tr> </table> </article> </main></body></html>

TransOgg - Revision history

Martin.leese: I lied (it didn't work correctly under Preview)

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-	~~Due to limitations of wiki-syntax, it should be noted that this page cannot be correctly titled 'transOgg'. The 't' in 'transOgg' is lowercase.~~

	= What is transOgg? =		= What is transOgg? =