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--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Yes, I was trying to get all the columns to be visible in our online documentation of presets. I’m getting frustrated with <a href="http://readthedocs.org">readthedocs.org</a>, and .rst files. Restructured text documentation was a big improvement over what we were doing before, and it allows us to manage the documentation with our source control (allowing anyone to contribute changes as a patch). But there are serious limitations to reST as a markup language. </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Tom</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> x265-devel [mailto:<a href="mailto:x265-devel-bounces@videolan.org">x265-devel-bounces@videolan.org</a>] <b>On Behalf Of </b>Deepthi Nandakumar<br><b>Sent:</b> Monday, December 21, 2015 6:09 PM<br><b>To:</b> Development for x265<br><b>Subject:</b> Re: [x265] [PATCH] presets: Updating presets to improve coding efficiency and speed</span></p><p class="MsoNormal"> </p><div><p class="MsoNormal">Yes, you're right, Tom. Also this patch will not apply at the current tip, since Tom committed a patch to presets.rst yesterday.</p></div><div><p class="MsoNormal"> </p><div><p class="MsoNormal">On Tue, Dec 22, 2015 at 7:30 AM, Tom Vaughan <<a href="mailto:tom.vaughan@multicorewareinc.com" target="_blank">tom.vaughan@multicorewareinc.com</a>> wrote:</p><p class="MsoNormal">Pradeep,<br>In presets.rst you put 2 rows in for limit-refs. The 2nd one should be<br>limit-modes.<br><br>+| limit-modes | 0 | 0 | 0 | 0 | 0<br>| 0 | 1 | 1 | 1 | 0 |<br><br>Also, I don't see limit-modes changed for slow, slower and veryslow.<br><br>Please double-check that everything matches our planned changes before we<br>commit this.<br><span style="color:#888888"><br><span class="hoenzb">Tom</span></span></p><div><div><p class="MsoNormal"><br>-----Original Message-----<br>From: x265-devel [mailto:<a href="mailto:x265-devel-bounces@videolan.org">x265-devel-bounces@videolan.org</a>] On Behalf Of<br>Pradeep Ramachandran<br>Sent: Monday, December 21, 2015 12:42 AM<br>To: <a href="mailto:x265-devel@videolan.org">x265-devel@videolan.org</a><br>Subject: [x265] [PATCH] presets: Updating presets to improve coding<br>efficiency and speed<br><br># HG changeset patch<br># User Pradeep Ramachandran <<a href="mailto:pradeep@multicorewareinc.com">pradeep@multicorewareinc.com</a>> # Date<br>1450687279 -19800<br># Mon Dec 21 14:11:19 2015 +0530<br># Node ID df793ec188d2cb6ea9dc886296ccb4c7448e4523<br># Parent 0315c0c389c99185cbaa73a0e8acfe9ef60dd817<br>presets: Updating presets to improve coding efficiency and speed.<br><br>This commit results in vast improvements in encoding speed and efficiency<br>for several presests. Most important features are increasing # references<br>for some presets and enabling limit-refs and limit-mode to limit impact on<br>speed.<br><br>diff -r 0315c0c389c9 -r df793ec188d2 doc/reST/cli.rst<br>--- a/doc/reST/cli.rst Thu Dec 17 23:27:58 2015 +0530<br>+++ b/doc/reST/cli.rst Mon Dec 21 14:11:19 2015 +0530<br>@@ -685,7 +685,7 @@<br> (within your decoder level limits) if you enable one or<br> both of these flags.<br><br>- This feature is EXPERIMENTAL and functional at all RD levels.<br>+ Default 3.<br><br> .. option:: --limit-modes, --no-limit-modes<br><br>diff -r 0315c0c389c9 -r df793ec188d2 doc/reST/presets.rst<br>--- a/doc/reST/presets.rst Thu Dec 17 23:27:58 2015 +0530<br>+++ b/doc/reST/presets.rst Mon Dec 21 14:11:19 2015 +0530<br>@@ -22,7 +22,7 @@<br><br>+---------------------+-----------+-----------+----------+--------+------+<br>--------+------+--------+----------+---------+<br> | | ultrafast | superfast | veryfast | faster | fast<br>| medium | slow | slower | veryslow | placebo |<br><br>+=====================+===========+===========+==========+========+======+<br>========+======+========+==========+=========+<br>-| ctu | 32 | 32 | 32 | 64 | 64<br>| 64 | 64 | 64 | 64 | 64 |<br>+| ctu | 32 | 32 | 64 | 64 | 64<br>| 64 | 64 | 64 | 64 | 64 |<br><br>+---------------------+-----------+-----------+----------+--------+------+<br>--------+------+--------+----------+---------+<br> | min-cu-size | 16 | 8 | 8 | 8 | 8<br>| 8 | 8 | 8 | 8 | 8 |<br><br>+---------------------+-----------+-----------+----------+--------+------+<br>--------+------+--------+----------+---------+<br>@@ -36,7 +36,9 @@<br><br>+---------------------+-----------+-----------+----------+--------+------+<br>--------+------+--------+----------+---------+<br> | scenecut | 0 | 40 | 40 | 40 | 40<br>| 40 | 40 | 40 | 40 | 40 |<br><br>+---------------------+-----------+-----------+----------+--------+------+<br>--------+------+--------+----------+---------+<br>-| ref | 1 | 1 | 1 | 1 | 2<br>| 3 | 3 | 3 | 5 | 5 |<br>+| ref | 1 | 1 | 2 | 2 | 3<br>| 3 | 4 | 4 | 5 | 5 |<br>++---------------------+-----------+-----------+----------+--------+------<br>+--------+------+--------+----------+---------+<br>+| limit-refs | 0 | 0 | 3 | 3 | 3<br>| 3 | 3 | 2 | 1 | 0 |<br><br>+---------------------+-----------+-----------+----------+--------+------+<br>--------+------+--------+----------+---------+<br> | me | dia | hex | hex | hex | hex<br>| hex | star | star | star | star |<br><br>+---------------------+-----------+-----------+----------+--------+------+<br>--------+------+--------+----------+---------+<br>@@ -48,6 +50,8 @@<br><br>+---------------------+-----------+-----------+----------+--------+------+<br>--------+------+--------+----------+---------+<br> | amp | 0 | 0 | 0 | 0 | 0<br>| 0 | 0 | 1 | 1 | 1 |<br><br>+---------------------+-----------+-----------+----------+--------+------+<br>--------+------+--------+----------+---------+<br>+| limit-refs | 0 | 0 | 0 | 0 | 0<br>| 0 | 1 | 1 | 1 | 0 |<br>++---------------------+-----------+-----------+----------+--------+------<br>+--------+------+--------+----------+---------+<br> | max-merge | 2 | 2 | 2 | 2 | 2<br>| 2 | 3 | 3 | 4 | 5 |<br><br>+---------------------+-----------+-----------+----------+--------+------+<br>--------+------+--------+----------+---------+<br> | early-skip | 1 | 1 | 1 | 1 | 0<br>| 0 | 0 | 0 | 0 | 0 |<br>@@ -66,7 +70,7 @@<br><br>+---------------------+-----------+-----------+----------+--------+------+<br>--------+------+--------+----------+---------+<br> | aq-mode | 0 | 0 | 1 | 1 | 1<br>| 1 | 1 | 1 | 1 | 1 |<br><br>+---------------------+-----------+-----------+----------+--------+------+<br>--------+------+--------+----------+---------+<br>-| cuTree | 0 | 0 | 0 | 0 | 1<br>| 1 | 1 | 1 | 1 | 1 |<br>+| cuTree | 1 | 1 | 1 | 1 | 1<br>| 1 | 1 | 1 | 1 | 1 |<br><br>+---------------------+-----------+-----------+----------+--------+------+<br>--------+------+--------+----------+---------+<br> | rdLevel | 2 | 2 | 2 | 2 | 2<br>| 3 | 4 | 6 | 6 | 6 |<br><br>+---------------------+-----------+-----------+----------+--------+------+<br>--------+------+--------+----------+---------+<br>diff -r 0315c0c389c9 -r df793ec188d2 source/common/param.cpp<br>--- a/source/common/param.cpp Thu Dec 17 23:27:58 2015 +0530<br>+++ b/source/common/param.cpp Mon Dec 21 14:11:19 2015 +0530<br>@@ -159,7 +159,7 @@<br> param->subpelRefine = 2;<br> param->searchRange = 57;<br> param->maxNumMergeCand = 2;<br>- param->limitReferences = 0;<br>+ param->limitReferences = 3;<br> param->limitModes = 0;<br> param->bEnableWeightedPred = 1;<br> param->bEnableWeightedBiPred = 0;<br>@@ -279,9 +279,9 @@<br> param->bEnableWeightedPred = 0;<br> param->rdLevel = 2;<br> param->maxNumReferences = 1;<br>+ param->limitReferences = 0;<br> param->rc.aqStrength = 0.0;<br> param->rc.aqMode = X265_AQ_NONE;<br>- param->rc.cuTree = 0;<br> param->rc.qgSize = 32;<br> param->bEnableFastIntra = 1;<br> }<br>@@ -296,9 +296,9 @@<br> param->bEnableWeightedPred = 0;<br> param->rdLevel = 2;<br> param->maxNumReferences = 1;<br>+ param->limitReferences = 0;<br> param->rc.aqStrength = 0.0;<br> param->rc.aqMode = X265_AQ_NONE;<br>- param->rc.cuTree = 0;<br> param->rc.qgSize = 32;<br> param->bEnableSAO = 0;<br> param->bEnableFastIntra = 1; @@ -306,13 +306,11 @@<br> else if (!strcmp(preset, "veryfast"))<br> {<br> param->lookaheadDepth = 15;<br>- param->maxCUSize = 32;<br> param->bFrameAdaptive = 0;<br> param->subpelRefine = 1;<br> param->bEnableEarlySkip = 1;<br> param->rdLevel = 2;<br>- param->maxNumReferences = 1;<br>- param->rc.cuTree = 0;<br>+ param->maxNumReferences = 2;<br> param->rc.qgSize = 32;<br> param->bEnableFastIntra = 1;<br> }<br>@@ -322,8 +320,7 @@<br> param->bFrameAdaptive = 0;<br> param->bEnableEarlySkip = 1;<br> param->rdLevel = 2;<br>- param->maxNumReferences = 1;<br>- param->rc.cuTree = 0;<br>+ param->maxNumReferences = 2;<br> param->bEnableFastIntra = 1;<br> }<br> else if (!strcmp(preset, "fast")) @@ -331,7 +328,7 @@<br> param->lookaheadDepth = 15;<br> param->bFrameAdaptive = 0;<br> param->rdLevel = 2;<br>- param->maxNumReferences = 2;<br>+ param->maxNumReferences = 3;<br> param->bEnableFastIntra = 1;<br> }<br> else if (!strcmp(preset, "medium")) @@ -348,6 +345,7 @@<br> param->subpelRefine = 3;<br> param->maxNumMergeCand = 3;<br> param->searchMethod = X265_STAR_SEARCH;<br>+ param->maxNumReferences = 4;<br> param->lookaheadSlices = 4; // limit parallelism as already<br>enough work exists<br> }<br> else if (!strcmp(preset, "slower")) @@ -365,6 +363,8 @@<br> param->subpelRefine = 3;<br> param->maxNumMergeCand = 3;<br> param->searchMethod = X265_STAR_SEARCH;<br>+ param->maxNumReferences = 4;<br>+ param->limitReferences = 2;<br> param->bIntraInBFrames = 1;<br> param->lookaheadSlices = 4; // limit parallelism as already<br>enough work exists<br> }<br>@@ -384,6 +384,7 @@<br> param->maxNumMergeCand = 4;<br> param->searchMethod = X265_STAR_SEARCH;<br> param->maxNumReferences = 5;<br>+ param->limitReferences = 1;<br> param->bIntraInBFrames = 1;<br> param->lookaheadSlices = 0; // disabled for best quality<br> }<br>@@ -405,6 +406,7 @@<br> param->searchMethod = X265_STAR_SEARCH;<br> param->bEnableTransformSkip = 1;<br> param->maxNumReferences = 5;<br>+ param->limitReferences = 0;<br> param->rc.bEnableSlowFirstPass = 1;<br> param->bIntraInBFrames = 1;<br> param->lookaheadSlices = 0; // disabled for best quality<br>_______________________________________________<br>x265-devel mailing list<br><a href="mailto:x265-devel@videolan.org">x265-devel@videolan.org</a><br><a href="https://mailman.videolan.org/listinfo/x265-devel" target="_blank">https://mailman.videolan.org/listinfo/x265-devel</a><br>_______________________________________________<br>x265-devel mailing list<br><a href="mailto:x265-devel@videolan.org">x265-devel@videolan.org</a><br><a href="https://mailman.videolan.org/listinfo/x265-devel" target="_blank">https://mailman.videolan.org/listinfo/x265-devel</a></p></div></div></div><p class="MsoNormal"><br><br clear="all"><br>-- </p><div><div><div><div><p class="MsoNormal">Deepthi Nandakumar</p></div><p class="MsoNormal">Engineering Manager, x265</p></div><p class="MsoNormal">Multicoreware, Inc</p></div></div></div></div></body></html>