Multimedia Tech Zone 2013 - Revision history

http://elinux.org/index.php?title=Multimedia_Tech_Zone_2013&feed=atom&action=history Multimedia Tech Zone 2013 - Revision history 2013-05-23T14:57:12Z Revision history for this page on the wiki MediaWiki 1.21alpha http://elinux.org/index.php?title=Multimedia_Tech_Zone_2013&diff=222956&oldid=prev Tfischer: Added section for discussing multimedia memory management issues 2013-02-22T23:05:01Z

<p>Added section for discussing multimedia memory management issues</p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: 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 23:05, 22 February 2013</td> </tr><tr><td colspan="2" class="diff-lineno">Line 27:</td> <td colspan="2" class="diff-lineno">Line 27:</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's going on in the wider community to address these issues?</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>What's going on in the wider community to address these issues?</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;">==== Memory mangement ====</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;">There was many presentations on memory management; from the low level malloc() / free() to system wide management strategies.</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;">[[Memory management and large video file creation]]</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>== People ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== People ==</div></td></tr>  </table>

Tfischer http://elinux.org/index.php?title=Multimedia_Tech_Zone_2013&diff=222446&oldid=prev Derwig: /* Presentation notes */ 2013-02-22T06:03:32Z

<p>‎<span dir="auto"><span class="autocomment">Presentation notes</span></span></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: 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 06:03, 22 February 2013</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>== Presentation notes ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Presentation notes ==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>What presentations at ELC, on the subject of "Multimedia" did people like?  Why?</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>What presentations at ELC, on the subject of "Multimedia" did people like?  Why?</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;">Ruud's presentation slides on using GStreamer to offload audio processing to a DSP [[media:ELC2013-UsingGStreamer_for_seamless_audio_off-loading_final.pdf]]</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;">Question: does this work for video as well?</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;">Answer: in principle yes, but 1) video processing typically is done with dedicated HW accelerators, not just DSP; 2) video buffers are much larger then audio buffers, therefore it's harder to allocate (contiguous) memory. GStreamer 1.0 does have better support for this - see also presentation from Katsuya Matsubara, IGEL.</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>Put your notes about the "Multimedia" presentations from ELC here...</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Put your notes about the "Multimedia" presentations from ELC here...</div></td></tr> </table>

Derwig http://elinux.org/index.php?title=Multimedia_Tech_Zone_2013&diff=222440&oldid=prev Derwig: /* People */ 2013-02-22T05:52:04Z

<p>‎<span dir="auto"><span class="autocomment">People</span></span></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: 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 05:52, 22 February 2013</td> </tr><tr><td colspan="2" class="diff-lineno">Line 30:</td> <td colspan="2" class="diff-lineno">Line 30:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== People ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== People ==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Who at ELC is interested in "Multimedia"?</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Who at ELC is interested in "Multimedia"?</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Ruud Derwig, Synopsys - especially Audio Processing</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline"> * </ins>Ruud Derwig, Synopsys - especially Audio Processing</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>== Presentation notes ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Presentation notes ==</div></td></tr>  </table>

Derwig http://elinux.org/index.php?title=Multimedia_Tech_Zone_2013&diff=222350&oldid=prev Derwig: /* People */ 2013-02-22T01:32:33Z

<p>‎<span dir="auto"><span class="autocomment">People</span></span></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: 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 01:32, 22 February 2013</td> </tr><tr><td colspan="2" class="diff-lineno">Line 30:</td> <td colspan="2" class="diff-lineno">Line 30:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== People ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== People ==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Who at ELC is interested in "Multimedia"?</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Who at ELC is interested in "Multimedia"?</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;">Ruud Derwig, Synopsys - especially Audio Processing</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>== Presentation notes ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Presentation notes ==</div></td></tr> </table>

Derwig http://elinux.org/index.php?title=Multimedia_Tech_Zone_2013&diff=219290&oldid=prev Wmat: Created page with "==File:Robot64x64.png ELC2013 Tech Zone Contest== <div style="margin:0; margin-top:10px; margin-right:10px; border:1px solid #dfdfdf; padding:0 1em 1em 1em; background-col..." 2013-02-13T22:41:50Z

<p>Created page with "==<a href="/File:Robot64x64.png" title="File:Robot64x64.png">File:Robot64x64.png</a> ELC2013 Tech Zone Contest== <div style="margin:0; margin-top:10px; margin-right:10px; border:1px solid #dfdfdf; padding:0 1em 1em 1em; background-col..."</p> <p><b>New page</b></p><div>==[[File:Robot64x64.png]] ELC2013 Tech Zone Contest==<br /> <div style="margin:0; margin-top:10px; margin-right:10px; border:1px solid #dfdfdf; padding:0 1em 1em 1em; background-color:#ffffcc; align:right; "><br /> To add a link to your new page use the following wiki link format:<br /> <br /> <nowiki>[[My New Page]]</nowiki><br /> <br /> Save this page/section and your new page link will appear in Red. Click it and begin editing your new page.<br /> </div><br /> ----<br /> <br /> Welcome to the Multimedia [[Tech Zones|Tech Zone]] for ELC 2013!!<br /> <br /> This page is dedicated to preserving information and discussions about Linux Multimedia from<br /> the Embedded Linux Conference. You should think of this page like a "scratchpad" to record<br /> your thoughts and discussions from the conference. Most of us take notes at an event, at a talk<br /> that interests us, or after we learn something new and useful from another attendee.<br /> Here's a place to record those notes in public, so that not only you can<br /> access them after the event, but everyone else can as well.<br /> <br /> == Discussions ==<br /> What discussions did people have in the tech zone?<br /> <br /> === Problems and Issues ===<br /> What issues do you have with "Multimedia"?<br /> <br /> What are some possible solutions?<br /> <br /> What's going on in the wider community to address these issues?<br /> <br /> == People ==<br /> Who at ELC is interested in "Multimedia"?<br /> <br /> == Presentation notes ==<br /> What presentations at ELC, on the subject of "Multimedia" did people like? Why?<br /> <br /> Put your notes about the "Multimedia" presentations from ELC here...<br /> <br /> [[Category:ELC]]<br /> [[Category:2013]]<br /> [[Category:Tech Zone]]</div>

Wmat