[x265] [PATCH] Support for HLG-graded content and pic_struct
ashok at multicorewareinc.com
ashok at multicorewareinc.com
Thu Apr 12 13:44:53 CEST 2018
# HG changeset patch
# User Ashok Kumar Mishra <ashok at multicorewareinc.com>
# Date 1523532439 -19800
# Thu Apr 12 16:57:19 2018 +0530
# Node ID ace55bce0e3c6e0beb52712fd71e01025bd73a22
# Parent 04a337abd70de269cef7d9655365f3a3ebde02aa
Support for HLG-graded content and pic_struct
diff -r 04a337abd70d -r ace55bce0e3c source/common/param.cpp
--- a/source/common/param.cpp Thu Apr 12 15:10:59 2018 +0530
+++ b/source/common/param.cpp Thu Apr 12 16:57:19 2018 +0530
@@ -134,7 +134,8 @@
param->bEmitInfoSEI = 1;
param->bEmitHDRSEI = 0;
param->bEmitIDRRecoverySEI = 0;
- /* CU definitions */
+
+ /* CU definitions */
param->maxCUSize = 64;
param->minCUSize = 8;
param->tuQTMaxInterDepth = 1;
@@ -192,7 +193,8 @@
param->bEnableSAO = 1;
param->bSaoNonDeblocked = 0;
param->bLimitSAO = 0;
- /* Coding Quality */
+
+ /* Coding Quality */
param->cbQpOffset = 0;
param->crQpOffset = 0;
param->rdPenalty = 0;
@@ -302,6 +304,10 @@
param->bLowPassDct = 0;
param->bMVType = 0;
param->bSingleSeiNal = 0;
+
+ /* SEI messages */
+ param->preferredTransferCharacteristics = -1;
+ param->pictureStructure = -1;
}
int x265_param_default_preset(x265_param* param, const char* preset, const char* tune)
@@ -1030,6 +1036,8 @@
OPT("max-ausize-factor") p->maxAUSizeFactor = atof(value);
OPT("dynamic-refine") p->bDynamicRefine = atobool(value);
OPT("single-sei") p->bSingleSeiNal = atobool(value);
+ OPT("atc-sei") p->preferredTransferCharacteristics = atoi(value);
+ OPT("pic-struct") p->pictureStructure = atoi(value);
else
return X265_PARAM_BAD_NAME;
}
diff -r 04a337abd70d -r ace55bce0e3c source/encoder/encoder.cpp
--- a/source/encoder/encoder.cpp Thu Apr 12 15:10:59 2018 +0530
+++ b/source/encoder/encoder.cpp Thu Apr 12 16:57:19 2018 +0530
@@ -338,10 +338,12 @@
if (m_param->bEmitHRDSEI)
m_rateControl->initHRD(m_sps);
+
if (!m_rateControl->init(m_sps))
m_aborted = true;
if (!m_lookahead->create())
m_aborted = true;
+
initRefIdx();
if (m_param->analysisSave && m_param->bUseAnalysisFile)
{
@@ -2436,7 +2438,7 @@
vui.defaultDisplayWindow.bottomOffset = m_param->vui.defDispWinBottomOffset;
vui.defaultDisplayWindow.leftOffset = m_param->vui.defDispWinLeftOffset;
- vui.frameFieldInfoPresentFlag = !!m_param->interlaceMode;
+ vui.frameFieldInfoPresentFlag = !!m_param->interlaceMode || (m_param->pictureStructure >= 0);
vui.fieldSeqFlag = !!m_param->interlaceMode;
vui.hrdParametersPresentFlag = m_param->bEmitHRDSEI;
diff -r 04a337abd70d -r ace55bce0e3c source/encoder/frameencoder.cpp
--- a/source/encoder/frameencoder.cpp Thu Apr 12 15:10:59 2018 +0530
+++ b/source/encoder/frameencoder.cpp Thu Apr 12 16:57:19 2018 +0530
@@ -674,9 +674,14 @@
sei->m_picStruct = (poc & 1) ? 1 /* top */ : 2 /* bottom */;
else if (m_param->interlaceMode == 1)
sei->m_picStruct = (poc & 1) ? 2 /* bottom */ : 1 /* top */;
- else
- sei->m_picStruct = 0;
- sei->m_sourceScanType = 0;
+ else
+ sei->m_picStruct = m_param->pictureStructure;
+
+ if (m_param->interlaceMode)
+ sei->m_sourceScanType = 0;
+ else
+ sei->m_sourceScanType = 1;
+
sei->m_duplicateFlag = false;
}
@@ -696,6 +701,18 @@
sei->write(m_bs, *slice->m_sps);
sei->alignAndSerialize(m_bs, false, m_param->bSingleSeiNal, NAL_UNIT_PREFIX_SEI, m_nalList);
}
+
+ if (m_param->preferredTransferCharacteristics > -1 && slice->isIRAP())
+ {
+ SEIAlternativeTC m_seiAlternativeTC;
+ m_seiAlternativeTC.m_preferredTransferCharacteristics = m_param->preferredTransferCharacteristics;
+ m_bs.resetBits();
+ int payloadSize = m_seiAlternativeTC.countPayloadSize(*slice->m_sps);
+ m_seiAlternativeTC.setSize(payloadSize);
+ m_seiAlternativeTC.write(m_bs, *slice->m_sps);
+ m_seiAlternativeTC.alignAndSerialize(m_bs, false, m_param->bSingleSeiNal, NAL_UNIT_PREFIX_SEI, m_nalList);
+ }
+
bool isSei = false;
/* Write user SEI */
for (int i = 0; i < m_frame->m_userSEI.numPayloads; i++)
@@ -729,8 +746,9 @@
else
x265_log(m_param, X265_LOG_ERROR, "Unrecognized SEI type\n");
}
- isSei |= ((m_frame->m_lowres.bKeyframe && m_param->bRepeatHeaders) || m_param->bEmitHRDSEI
- || !!m_param->interlaceMode || (m_frame->m_lowres.sliceType == X265_TYPE_IDR && m_param->bEmitIDRRecoverySEI));
+
+ isSei |= ((m_frame->m_lowres.bKeyframe && m_param->bRepeatHeaders) || m_param->bEmitHRDSEI ||
+ !!m_param->interlaceMode || (m_frame->m_lowres.sliceType == X265_TYPE_IDR && m_param->bEmitIDRRecoverySEI));
if (isSei && m_param->bSingleSeiNal)
{
diff -r 04a337abd70d -r ace55bce0e3c source/encoder/sei.h
--- a/source/encoder/sei.h Thu Apr 12 15:10:59 2018 +0530
+++ b/source/encoder/sei.h Thu Apr 12 16:57:19 2018 +0530
@@ -296,5 +296,23 @@
WRITE_CODE(m_payload[i], 8, "creative_intent_metadata");
}
};
+
+class SEIAlternativeTC : public SEI
+{
+public:
+ int m_preferredTransferCharacteristics;
+ SEIAlternativeTC()
+ {
+ m_payloadType = ALTERNATIVE_TRANSFER_CHARACTERISTICS;
+ m_payloadSize = 0;
+ m_preferredTransferCharacteristics = -1;
+ }
+
+ void writeSEI(const SPS&)
+ {
+ WRITE_CODE(m_preferredTransferCharacteristics, 8, "Preferred transfer characteristics");
+ }
+};
+
}
#endif // ifndef X265_SEI_H
diff -r 04a337abd70d -r ace55bce0e3c source/x265.h
--- a/source/x265.h Thu Apr 12 15:10:59 2018 +0530
+++ b/source/x265.h Thu Apr 12 16:57:19 2018 +0530
@@ -265,6 +265,7 @@
REGION_REFRESH_INFO = 134,
MASTERING_DISPLAY_INFO = 137,
CONTENT_LIGHT_LEVEL_INFO = 144,
+ ALTERNATIVE_TRANSFER_CHARACTERISTICS = 147,
} SEIPayloadType;
typedef struct x265_sei_payload
@@ -1161,6 +1162,18 @@
* Default is 0, which is recommended */
int crQpOffset;
+ /* Specifies the preferred transfer characteristics syntax element in the
+ * alternative transfer characteristics SEI message (see. D.2.38 and D.3.38 of
+ * JCTVC-W1005 http://phenix.it-sudparis.eu/jct/doc_end_user/documents/23_San%20Diego/wg11/JCTVC-W1005-v4.zip
+ * */
+ int preferredTransferCharacteristics;
+
+ /*
+ * Specifies the value for the pic_struc syntax element of the picture timing SEI message (See D2.3 and D3.3)
+ * of the HEVC spec. for a detailed explanation
+ * */
+ int pictureStructure;
+
struct
{
/* Explicit mode of rate-control, necessary for API users. It must
diff -r 04a337abd70d -r ace55bce0e3c source/x265cli.h
--- a/source/x265cli.h Thu Apr 12 15:10:59 2018 +0530
+++ b/source/x265cli.h Thu Apr 12 16:57:19 2018 +0530
@@ -300,6 +300,8 @@
{ "no-idr-recovery-sei", no_argument, NULL, 0 },
{ "single-sei", no_argument, NULL, 0 },
{ "no-single-sei", no_argument, NULL, 0 },
+ { "atc-sei", required_argument, NULL, 0 },
+ { "pic-struct", required_argument, NULL, 0 },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
@@ -563,6 +565,8 @@
H0(" --[no-]temporal-layers Enable a temporal sublayer for unreferenced B frames. Default %s\n", OPT(param->bEnableTemporalSubLayers));
H0(" --[no-]aud Emit access unit delimiters at the start of each access unit. Default %s\n", OPT(param->bEnableAccessUnitDelimiters));
H1(" --hash <integer> Decoded Picture Hash SEI 0: disabled, 1: MD5, 2: CRC, 3: Checksum. Default %d\n", param->decodedPictureHashSEI);
+ H0(" --atc-sei <integer> Emit the alternative transfer characteristics SEI message where the integer is the preferred transfer characteristics. Default disabled\n");
+ H0(" --pic-struct <integer> Set the picture structure and emits it in the picture timing SEI message. Values in the range 0..12. See D.3.3 of the HEVC spec. for a detailed explanation.");
H0(" --log2-max-poc-lsb <integer> Maximum of the picture order count\n");
H0(" --[no-]vui-timing-info Emit VUI timing information in the bistream. Default %s\n", OPT(param->bEmitVUITimingInfo));
H0(" --[no-]vui-hrd-info Emit VUI HRD information in the bistream. Default %s\n", OPT(param->bEmitVUIHRDInfo));
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