<div dir="ltr"> All the patches of Alpha are pushed to the master branch. <div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><b>__________________________</b></div><div><b>Karam Singh</b></div><div><b>Ph.D. IIT Guwahati</b></div><div><font size="1">Senior Software (Video Coding) Engineer </font></div><div><font size="1">Mobile: +91 8011279030</font></div><div><font size="1">Block 9A, 6th floor, DLF Cyber City</font></div><div><font size="1">Manapakkam, Chennai 600 089</font></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Aug 5, 2024 at 4:19 PM Anusuya Kumarasamy <<a href="mailto:anusuya.kumarasamy@multicorewareinc.com">anusuya.kumarasamy@multicorewareinc.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">From 58f011df8ce0c5ac2a333d1ee25f0843caf2ee07 Mon Sep 17 00:00:00 2001<br>From: AnusuyaKumarasamy <<a href="mailto:anusuya.kumarasamy@multicorewareinc.com" target="_blank">anusuya.kumarasamy@multicorewareinc.com</a>><br>Date: Fri, 5 Jul 2024 16:11:02 +0530<br>Subject: [PATCH] Add support for Alpha channel CLI<br><br>---<br> doc/reST/cli.rst | 11 +++++++++++<br> source/CMakeLists.txt | 2 +-<br> source/common/param.cpp | 16 ++++++++++++++++<br> source/x265.h | 4 ++++<br> source/x265cli.cpp | 1 +<br> source/x265cli.h | 1 +<br> 6 files changed, 34 insertions(+), 1 deletion(-)<br><br>diff --git a/doc/reST/cli.rst b/doc/reST/cli.rst<br>index c57491b63..4d5ac1a15 100755<br>--- a/doc/reST/cli.rst<br>+++ b/doc/reST/cli.rst<br>@@ -2882,4 +2882,15 @@ See section :ref:`svthevc <SvtHevc>` for more details.<br> <br> **CLI_ONLY**<br> <br>+Alpha Encode Options<br>+===================<br>+<br>+.. option:: --alpha<br>+<br>+ Enable alpha layer encoding support in x265.This option can be enabled<br>+ only when ENABLE_ALPHA is set during the make of x265.When enabled<br>+ --alpha always expects an input file in YUVA420 format.<br>+<br>+**CLI_ONLY**<br>+<br> .. vim: noet<br>diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt<br>index bed98bb37..9a215cbbf 100755<br>--- a/source/CMakeLists.txt<br>+++ b/source/CMakeLists.txt<br>@@ -31,7 +31,7 @@ option(NATIVE_BUILD "Target the build CPU" OFF)<br> option(STATIC_LINK_CRT "Statically link C runtime for release builds" OFF)<br> mark_as_advanced(FPROFILE_USE FPROFILE_GENERATE NATIVE_BUILD)<br> # X265_BUILD must be incremented each time the public API is changed<br>-set(X265_BUILD 209)<br>+set(X265_BUILD 210)<br> configure_file("${PROJECT_SOURCE_DIR}/<a href="http://x265.def.in" target="_blank">x265.def.in</a>"<br> "${PROJECT_BINARY_DIR}/x265.def")<br> configure_file("${PROJECT_SOURCE_DIR}/<a href="http://x265_config.h.in" target="_blank">x265_config.h.in</a>"<br>diff --git a/source/common/param.cpp b/source/common/param.cpp<br>index 5b2922587..e05e79eaf 100755<br>--- a/source/common/param.cpp<br>+++ b/source/common/param.cpp<br>@@ -392,6 +392,10 @@ void x265_param_default(x265_param* param)<br> param->bEnableTemporalFilter = 0;<br> param->temporalFilterStrength = 0.95;<br> <br>+ /*Alpha Channel Encoding*/<br>+ param->bEnableAlpha = 0;<br>+ param->numScalableLayers = 1;<br>+<br> #ifdef SVT_HEVC<br> param->svtHevcParam = svtParam;<br> svt_param_default(param);<br>@@ -1444,6 +1448,14 @@ int x265_param_parse(x265_param* p, const char* name, const char* value)<br> OPT("film-grain") p->filmGrain = (char* )value;<br> OPT("mcstf") p->bEnableTemporalFilter = atobool(value);<br> OPT("sbrc") p->bEnableSBRC = atobool(value);<br>+ OPT("alpha")<br>+ {<br>+ if (atobool(value))<br>+ {<br>+ p->bEnableAlpha = 1;<br>+ p->numScalableLayers = 2;<br>+ }<br>+ }<br> else<br> return X265_PARAM_BAD_NAME;<br> }<br>@@ -2079,6 +2091,7 @@ void x265_print_params(x265_param* param)<br> TOOLOPT(param->rc.bStatWrite, "stats-write");<br> TOOLOPT(param->rc.bStatRead, "stats-read");<br> TOOLOPT(param->bSingleSeiNal, "single-sei");<br>+ TOOLOPT(param->numScalableLayers > 1, "alpha");<br> #if ENABLE_HDR10_PLUS<br> TOOLOPT(param->toneMapFile != NULL, "dhdr10-info");<br> #endif<br>@@ -2343,6 +2356,7 @@ char *x265_param2string(x265_param* p, int padx, int pady)<br> if (p->filmGrain)<br> s += sprintf(s, " film-grain=%s", p->filmGrain); // Film grain characteristics model filename<br> BOOL(p->bEnableTemporalFilter, "mcstf");<br>+ BOOL(p->bEnableAlpha, "alpha");<br> BOOL(p->bEnableSBRC, "sbrc");<br> #undef BOOL<br> return buf;<br>@@ -2864,6 +2878,8 @@ void x265_copy_params(x265_param* dst, x265_param* src)<br> dst->confWinRightOffset = src->confWinRightOffset;<br> dst->confWinBottomOffset = src->confWinBottomOffset;<br> dst->bliveVBV2pass = src->bliveVBV2pass;<br>+ dst->bEnableAlpha = src->bEnableAlpha;<br>+ dst->numScalableLayers = src->numScalableLayers;<br> <br> if (src->videoSignalTypePreset) dst->videoSignalTypePreset = strdup(src->videoSignalTypePreset);<br> else dst->videoSignalTypePreset = NULL;<br>diff --git a/source/x265.h b/source/x265.h<br>index c48b8648a..b6e410435 100644<br>--- a/source/x265.h<br>+++ b/source/x265.h<br>@@ -2269,6 +2269,10 @@ typedef struct x265_param<br> /*SBRC*/<br> int bEnableSBRC;<br> int mcstfFrameRange;<br>+<br>+ /*Alpha channel encoding*/<br>+ int bEnableAlpha;<br>+ int numScalableLayers;<br> } x265_param;<br> <br> /* x265_param_alloc:<br>diff --git a/source/x265cli.cpp b/source/x265cli.cpp<br>index 861595a5a..2f8a150d4 100755<br>--- a/source/x265cli.cpp<br>+++ b/source/x265cli.cpp<br>@@ -374,6 +374,7 @@ namespace X265_NS {<br> H0(" --[no-]frame-dup Enable Frame duplication. Default %s\n", OPT(param->bEnableFrameDuplication));<br> H0(" --dup-threshold <integer> PSNR threshold for Frame duplication. Default %d\n", param->dupThreshold);<br> H0(" --[no-]mcstf Enable GOP based temporal filter. Default %d\n", param->bEnableTemporalFilter);<br>+ H0(" --alpha Enable alpha channel support. Default %d\n", param->bEnableAlpha);<br> #ifdef SVT_HEVC<br> H0(" --[no]svt Enable SVT HEVC encoder %s\n", OPT(param->bEnableSvtHevc));<br> H0(" --[no-]svt-hme Enable Hierarchial motion estimation(HME) in SVT HEVC encoder \n");<br>diff --git a/source/x265cli.h b/source/x265cli.h<br>index b5fe327a6..b4e91a137 100644<br>--- a/source/x265cli.h<br>+++ b/source/x265cli.h<br>@@ -358,6 +358,7 @@ static const struct option long_options[] =<br> { "dup-threshold", required_argument, NULL, 0 },<br> { "mcstf", no_argument, NULL, 0 },<br> { "no-mcstf", no_argument, NULL, 0 },<br>+ { "alpha", no_argument, NULL, 0 },<br> #ifdef SVT_HEVC<br> { "svt", no_argument, NULL, 0 },<br> { "no-svt", no_argument, NULL, 0 },<br>-- <br>2.36.0.windows.1<br><br></div>
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