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param.cpp
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param.cpp
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/*****************************************************************************
* Copyright (C) 2013-2020 MulticoreWare, Inc
*
* Authors: Deepthi Nandakumar <deepthi@multicorewareinc.com>
* Min Chen <min.chen@multicorewareinc.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at license @ x265.com.
*****************************************************************************/
#include "common.h"
#include "slice.h"
#include "threading.h"
#include "param.h"
#include "cpu.h"
#include "x265.h"
#include "svt.h"
#if _MSC_VER
#pragma warning(disable: 4996) // POSIX functions are just fine, thanks
#pragma warning(disable: 4706) // assignment within conditional
#pragma warning(disable: 4127) // conditional expression is constant
#endif
#if _WIN32
#define strcasecmp _stricmp
#endif
#if !defined(HAVE_STRTOK_R)
/*
* adapted from public domain strtok_r() by Charlie Gordon
*
* from comp.lang.c 9/14/2007
*
* http://groups.google.com/group/comp.lang.c/msg/2ab1ecbb86646684
*
* (Declaration that it's public domain):
* http://groups.google.com/group/comp.lang.c/msg/7c7b39328fefab9c
*/
#undef strtok_r
static char* strtok_r(char* str, const char* delim, char** nextp)
{
if (!str)
str = *nextp;
str += strspn(str, delim);
if (!*str)
return NULL;
char *ret = str;
str += strcspn(str, delim);
if (*str)
*str++ = '\0';
*nextp = str;
return ret;
}
#endif // if !defined(HAVE_STRTOK_R)
#if EXPORT_C_API
/* these functions are exported as C functions (default) */
using namespace X265_NS;
extern "C" {
#else
/* these functions exist within private namespace (multilib) */
namespace X265_NS {
#endif
x265_param *x265_param_alloc()
{
x265_param* param = (x265_param*)x265_malloc(sizeof(x265_param));
#ifdef SVT_HEVC
param->svtHevcParam = (EB_H265_ENC_CONFIGURATION*)x265_malloc(sizeof(EB_H265_ENC_CONFIGURATION));
#endif
return param;
}
void x265_param_free(x265_param* p)
{
x265_zone_free(p);
#ifdef SVT_HEVC
x265_free(p->svtHevcParam);
#endif
x265_free(p);
}
void x265_param_default(x265_param* param)
{
#ifdef SVT_HEVC
EB_H265_ENC_CONFIGURATION* svtParam = (EB_H265_ENC_CONFIGURATION*)param->svtHevcParam;
#endif
memset(param, 0, sizeof(x265_param));
/* Applying default values to all elements in the param structure */
param->cpuid = X265_NS::cpu_detect(false);
param->bEnableWavefront = 1;
param->frameNumThreads = 0;
param->logLevel = X265_LOG_INFO;
param->csvLogLevel = 0;
param->csvfn = NULL;
param->rc.lambdaFileName = NULL;
param->bLogCuStats = 0;
param->decodedPictureHashSEI = 0;
/* Quality Measurement Metrics */
param->bEnablePsnr = 0;
param->bEnableSsim = 0;
/* Source specifications */
param->internalBitDepth = X265_DEPTH;
param->sourceBitDepth = 8;
param->internalCsp = X265_CSP_I420;
param->levelIdc = 0; //Auto-detect level
param->uhdBluray = 0;
param->bHighTier = 1; //Allow high tier by default
param->interlaceMode = 0;
param->bField = 0;
param->bAnnexB = 1;
param->bRepeatHeaders = 0;
param->bEnableAccessUnitDelimiters = 0;
param->bEmitHRDSEI = 0;
param->bEmitInfoSEI = 1;
param->bEmitHDRSEI = 0; /*Deprecated*/
param->bEmitHDR10SEI = 0;
param->bEmitIDRRecoverySEI = 0;
/* CU definitions */
param->maxCUSize = 64;
param->minCUSize = 8;
param->tuQTMaxInterDepth = 1;
param->tuQTMaxIntraDepth = 1;
param->maxTUSize = 32;
/* Coding Structure */
param->keyframeMin = 0;
param->keyframeMax = 250;
param->gopLookahead = 0;
param->bOpenGOP = 1;
param->bframes = 4;
param->lookaheadDepth = 20;
param->bFrameAdaptive = X265_B_ADAPT_TRELLIS;
param->bBPyramid = 1;
param->scenecutThreshold = 40; /* Magic number pulled in from x264 */
param->edgeTransitionThreshold = 0.03;
param->bHistBasedSceneCut = 0;
param->lookaheadSlices = 8;
param->lookaheadThreads = 0;
param->scenecutBias = 5.0;
param->radl = 0;
param->chunkStart = 0;
param->chunkEnd = 0;
param->bEnableHRDConcatFlag = 0;
param->bEnableFades = 0;
param->bEnableSceneCutAwareQp = 0;
param->fwdScenecutWindow = 500;
param->fwdRefQpDelta = 5;
param->fwdNonRefQpDelta = param->fwdRefQpDelta + (SLICE_TYPE_DELTA * param->fwdRefQpDelta);
param->bwdScenecutWindow = 100;
param->bwdRefQpDelta = -1;
param->bwdNonRefQpDelta = -1;
/* Intra Coding Tools */
param->bEnableConstrainedIntra = 0;
param->bEnableStrongIntraSmoothing = 1;
param->bEnableFastIntra = 0;
param->bEnableSplitRdSkip = 0;
/* Inter Coding tools */
param->searchMethod = X265_HEX_SEARCH;
param->subpelRefine = 2;
param->searchRange = 57;
param->maxNumMergeCand = 3;
param->limitReferences = 3;
param->limitModes = 0;
param->bEnableWeightedPred = 1;
param->bEnableWeightedBiPred = 0;
param->bEnableEarlySkip = 1;
param->recursionSkipMode = 1;
param->edgeVarThreshold = 0.05f;
param->bEnableAMP = 0;
param->bEnableRectInter = 0;
param->rdLevel = 3;
param->rdoqLevel = 0;
param->bEnableSignHiding = 1;
param->bEnableTransformSkip = 0;
param->bEnableTSkipFast = 0;
param->maxNumReferences = 3;
param->bEnableTemporalMvp = 1;
param->bEnableHME = 0;
param->hmeSearchMethod[0] = X265_HEX_SEARCH;
param->hmeSearchMethod[1] = param->hmeSearchMethod[2] = X265_UMH_SEARCH;
param->hmeRange[0] = 16;
param->hmeRange[1] = 32;
param->hmeRange[2] = 48;
param->bSourceReferenceEstimation = 0;
param->limitTU = 0;
param->dynamicRd = 0;
/* Loop Filter */
param->bEnableLoopFilter = 1;
/* SAO Loop Filter */
param->bEnableSAO = 1;
param->bSaoNonDeblocked = 0;
param->bLimitSAO = 0;
param->selectiveSAO = 0;
/* Coding Quality */
param->cbQpOffset = 0;
param->crQpOffset = 0;
param->rdPenalty = 0;
param->psyRd = 2.0;
param->psyRdoq = 0.0;
param->analysisReuseMode = 0; /*DEPRECATED*/
param->analysisMultiPassRefine = 0;
param->analysisMultiPassDistortion = 0;
param->analysisReuseFileName = NULL;
param->analysisSave = NULL;
param->analysisLoad = NULL;
param->bIntraInBFrames = 1;
param->bLossless = 0;
param->bCULossless = 0;
param->bEnableTemporalSubLayers = 0;
param->bEnableRdRefine = 0;
param->bMultiPassOptRPS = 0;
param->bSsimRd = 0;
/* Rate control options */
param->rc.vbvMaxBitrate = 0;
param->rc.vbvBufferSize = 0;
param->rc.vbvBufferInit = 0.9;
param->vbvBufferEnd = 0;
param->vbvEndFrameAdjust = 0;
param->minVbvFullness = 50;
param->maxVbvFullness = 80;
param->rc.rfConstant = 28;
param->rc.bitrate = 0;
param->rc.qCompress = 0.6;
param->rc.ipFactor = 1.4f;
param->rc.pbFactor = 1.3f;
param->rc.qpStep = 4;
param->rc.rateControlMode = X265_RC_CRF;
param->rc.qp = 32;
param->rc.aqMode = X265_AQ_AUTO_VARIANCE;
param->rc.hevcAq = 0;
param->rc.qgSize = 32;
param->rc.aqStrength = 1.0;
param->rc.qpAdaptationRange = 1.0;
param->rc.cuTree = 1;
param->rc.rfConstantMax = 0;
param->rc.rfConstantMin = 0;
param->rc.bStatRead = 0;
param->rc.bStatWrite = 0;
param->rc.statFileName = NULL;
param->rc.complexityBlur = 20;
param->rc.qblur = 0.5;
param->rc.zoneCount = 0;
param->rc.zonefileCount = 0;
param->rc.zones = NULL;
param->rc.bEnableSlowFirstPass = 1;
param->rc.bStrictCbr = 0;
param->rc.bEnableGrain = 0;
param->rc.qpMin = 0;
param->rc.qpMax = QP_MAX_MAX;
param->rc.bEnableConstVbv = 0;
param->bResetZoneConfig = 1;
param->reconfigWindowSize = 0;
param->decoderVbvMaxRate = 0;
param->bliveVBV2pass = 0;
/* Video Usability Information (VUI) */
param->vui.aspectRatioIdc = 0;
param->vui.sarWidth = 0;
param->vui.sarHeight = 0;
param->vui.bEnableOverscanAppropriateFlag = 0;
param->vui.bEnableVideoSignalTypePresentFlag = 0;
param->vui.videoFormat = 5;
param->vui.bEnableVideoFullRangeFlag = 0;
param->vui.bEnableColorDescriptionPresentFlag = 0;
param->vui.colorPrimaries = 2;
param->vui.transferCharacteristics = 2;
param->vui.matrixCoeffs = 2;
param->vui.bEnableChromaLocInfoPresentFlag = 0;
param->vui.chromaSampleLocTypeTopField = 0;
param->vui.chromaSampleLocTypeBottomField = 0;
param->vui.bEnableDefaultDisplayWindowFlag = 0;
param->vui.defDispWinLeftOffset = 0;
param->vui.defDispWinRightOffset = 0;
param->vui.defDispWinTopOffset = 0;
param->vui.defDispWinBottomOffset = 0;
param->maxCLL = 0;
param->maxFALL = 0;
param->minLuma = 0;
param->maxLuma = PIXEL_MAX;
param->log2MaxPocLsb = 8;
param->maxSlices = 1;
/*Conformance window*/
param->confWinRightOffset = 0;
param->confWinBottomOffset = 0;
param->bEmitVUITimingInfo = 1;
param->bEmitVUIHRDInfo = 1;
param->bOptQpPPS = 0;
param->bOptRefListLengthPPS = 0;
param->bOptCUDeltaQP = 0;
param->bAQMotion = 0;
param->bHDROpt = 0; /*DEPRECATED*/
param->bHDR10Opt = 0;
param->analysisReuseLevel = 0; /*DEPRECATED*/
param->analysisSaveReuseLevel = 0;
param->analysisLoadReuseLevel = 0;
param->toneMapFile = NULL;
param->bDhdr10opt = 0;
param->dolbyProfile = 0;
param->bCTUInfo = 0;
param->bUseRcStats = 0;
param->scaleFactor = 0;
param->intraRefine = 0;
param->interRefine = 0;
param->bDynamicRefine = 0;
param->mvRefine = 1;
param->ctuDistortionRefine = 0;
param->bUseAnalysisFile = 1;
param->csvfpt = NULL;
param->forceFlush = 0;
param->bDisableLookahead = 0;
param->bCopyPicToFrame = 1;
param->maxAUSizeFactor = 1;
param->naluFile = NULL;
/* DCT Approximations */
param->bLowPassDct = 0;
param->bAnalysisType = 0;
param->bSingleSeiNal = 0;
/* SEI messages */
param->preferredTransferCharacteristics = -1;
param->pictureStructure = -1;
param->bEmitCLL = 1;
param->bEnableFrameDuplication = 0;
param->dupThreshold = 70;
/* SVT Hevc Encoder specific params */
param->bEnableSvtHevc = 0;
param->svtHevcParam = NULL;
#ifdef SVT_HEVC
param->svtHevcParam = svtParam;
svt_param_default(param);
#endif
}
int x265_param_default_preset(x265_param* param, const char* preset, const char* tune)
{
#if EXPORT_C_API
::x265_param_default(param);
#else
X265_NS::x265_param_default(param);
#endif
if (preset)
{
char *end;
int i = strtol(preset, &end, 10);
if (*end == 0 && i >= 0 && i < (int)(sizeof(x265_preset_names) / sizeof(*x265_preset_names) - 1))
preset = x265_preset_names[i];
if (!strcmp(preset, "ultrafast"))
{
param->maxNumMergeCand = 2;
param->bIntraInBFrames = 0;
param->lookaheadDepth = 5;
param->scenecutThreshold = 0; // disable lookahead
param->maxCUSize = 32;
param->minCUSize = 16;
param->bframes = 3;
param->bFrameAdaptive = 0;
param->subpelRefine = 0;
param->searchMethod = X265_DIA_SEARCH;
param->bEnableSAO = 0;
param->bEnableSignHiding = 0;
param->bEnableWeightedPred = 0;
param->rdLevel = 2;
param->maxNumReferences = 1;
param->limitReferences = 0;
param->rc.aqStrength = 0.0;
param->rc.aqMode = X265_AQ_NONE;
param->rc.hevcAq = 0;
param->rc.qgSize = 32;
param->bEnableFastIntra = 1;
}
else if (!strcmp(preset, "superfast"))
{
param->maxNumMergeCand = 2;
param->bIntraInBFrames = 0;
param->lookaheadDepth = 10;
param->maxCUSize = 32;
param->bframes = 3;
param->bFrameAdaptive = 0;
param->subpelRefine = 1;
param->bEnableWeightedPred = 0;
param->rdLevel = 2;
param->maxNumReferences = 1;
param->limitReferences = 0;
param->rc.aqStrength = 0.0;
param->rc.aqMode = X265_AQ_NONE;
param->rc.hevcAq = 0;
param->rc.qgSize = 32;
param->bEnableSAO = 0;
param->bEnableFastIntra = 1;
}
else if (!strcmp(preset, "veryfast"))
{
param->maxNumMergeCand = 2;
param->bIntraInBFrames = 0;
param->lookaheadDepth = 15;
param->bFrameAdaptive = 0;
param->subpelRefine = 1;
param->rdLevel = 2;
param->maxNumReferences = 2;
param->rc.qgSize = 32;
param->bEnableFastIntra = 1;
}
else if (!strcmp(preset, "faster"))
{
param->maxNumMergeCand = 2;
param->bIntraInBFrames = 0;
param->lookaheadDepth = 15;
param->bFrameAdaptive = 0;
param->rdLevel = 2;
param->maxNumReferences = 2;
param->bEnableFastIntra = 1;
}
else if (!strcmp(preset, "fast"))
{
param->maxNumMergeCand = 2;
param->bEnableEarlySkip = 0;
param->bIntraInBFrames = 0;
param->lookaheadDepth = 15;
param->bFrameAdaptive = 0;
param->rdLevel = 2;
param->maxNumReferences = 3;
param->bEnableFastIntra = 1;
}
else if (!strcmp(preset, "medium"))
{
/* defaults */
}
else if (!strcmp(preset, "slow"))
{
param->bEnableEarlySkip = 0;
param->bIntraInBFrames = 0;
param->bEnableRectInter = 1;
param->lookaheadDepth = 25;
param->rdLevel = 4;
param->rdoqLevel = 2;
param->psyRdoq = 1.0;
param->subpelRefine = 3;
param->searchMethod = X265_STAR_SEARCH;
param->maxNumReferences = 4;
param->limitModes = 1;
param->lookaheadSlices = 4; // limit parallelism as already enough work exists
}
else if (!strcmp(preset, "slower"))
{
param->bEnableEarlySkip = 0;
param->bEnableWeightedBiPred = 1;
param->bEnableAMP = 1;
param->bEnableRectInter = 1;
param->lookaheadDepth = 40;
param->bframes = 8;
param->tuQTMaxInterDepth = 3;
param->tuQTMaxIntraDepth = 3;
param->rdLevel = 6;
param->rdoqLevel = 2;
param->psyRdoq = 1.0;
param->subpelRefine = 4;
param->maxNumMergeCand = 4;
param->searchMethod = X265_STAR_SEARCH;
param->maxNumReferences = 5;
param->limitModes = 1;
param->limitReferences = 1;
param->lookaheadSlices = 0; // disabled for best quality
param->limitTU = 4;
}
else if (!strcmp(preset, "veryslow"))
{
param->bEnableEarlySkip = 0;
param->bEnableWeightedBiPred = 1;
param->bEnableAMP = 1;
param->bEnableRectInter = 1;
param->lookaheadDepth = 40;
param->bframes = 8;
param->tuQTMaxInterDepth = 3;
param->tuQTMaxIntraDepth = 3;
param->rdLevel = 6;
param->rdoqLevel = 2;
param->psyRdoq = 1.0;
param->subpelRefine = 4;
param->maxNumMergeCand = 5;
param->searchMethod = X265_STAR_SEARCH;
param->maxNumReferences = 5;
param->limitReferences = 0;
param->limitModes = 0;
param->lookaheadSlices = 0; // disabled for best quality
param->limitTU = 0;
}
else if (!strcmp(preset, "placebo"))
{
param->bEnableEarlySkip = 0;
param->bEnableWeightedBiPred = 1;
param->bEnableAMP = 1;
param->bEnableRectInter = 1;
param->lookaheadDepth = 60;
param->searchRange = 92;
param->bframes = 8;
param->tuQTMaxInterDepth = 4;
param->tuQTMaxIntraDepth = 4;
param->rdLevel = 6;
param->rdoqLevel = 2;
param->psyRdoq = 1.0;
param->subpelRefine = 5;
param->maxNumMergeCand = 5;
param->searchMethod = X265_STAR_SEARCH;
param->bEnableTransformSkip = 1;
param->recursionSkipMode = 0;
param->maxNumReferences = 5;
param->limitReferences = 0;
param->lookaheadSlices = 0; // disabled for best quality
// TODO: optimized esa
}
else
return -1;
}
if (tune)
{
if (!strcmp(tune, "psnr"))
{
param->rc.aqStrength = 0.0;
param->psyRd = 0.0;
param->psyRdoq = 0.0;
}
else if (!strcmp(tune, "ssim"))
{
param->rc.aqMode = X265_AQ_AUTO_VARIANCE;
param->psyRd = 0.0;
param->psyRdoq = 0.0;
}
else if (!strcmp(tune, "fastdecode") ||
!strcmp(tune, "fast-decode"))
{
param->bEnableLoopFilter = 0;
param->bEnableSAO = 0;
param->bEnableWeightedPred = 0;
param->bEnableWeightedBiPred = 0;
param->bIntraInBFrames = 0;
}
else if (!strcmp(tune, "zerolatency") ||
!strcmp(tune, "zero-latency"))
{
param->bFrameAdaptive = 0;
param->bframes = 0;
param->lookaheadDepth = 0;
param->scenecutThreshold = 0;
param->bHistBasedSceneCut = 0;
param->rc.cuTree = 0;
param->frameNumThreads = 1;
}
else if (!strcmp(tune, "grain"))
{
param->rc.ipFactor = 1.1;
param->rc.pbFactor = 1.0;
param->rc.cuTree = 0;
param->rc.aqMode = 0;
param->rc.hevcAq = 0;
param->rc.qpStep = 1;
param->rc.bEnableGrain = 1;
param->recursionSkipMode = 0;
param->psyRd = 4.0;
param->psyRdoq = 10.0;
param->bEnableSAO = 0;
param->rc.bEnableConstVbv = 1;
}
else if (!strcmp(tune, "animation"))
{
param->bframes = (param->bframes + 2) >= param->lookaheadDepth? param->bframes : param->bframes + 2;
param->psyRd = 0.4;
param->rc.aqStrength = 0.4;
param->deblockingFilterBetaOffset = 1;
param->deblockingFilterTCOffset = 1;
}
else if (!strcmp(tune, "vmaf")) /*Adding vmaf for x265 + SVT-HEVC integration support*/
{
/*vmaf is under development, currently x265 won't support vmaf*/
}
else
return -1;
}
#ifdef SVT_HEVC
if (svt_set_preset(param, preset))
return -1;
#endif
return 0;
}
static int x265_atobool(const char* str, bool& bError)
{
if (!strcmp(str, "1") ||
!strcmp(str, "true") ||
!strcmp(str, "yes"))
return 1;
if (!strcmp(str, "0") ||
!strcmp(str, "false") ||
!strcmp(str, "no"))
return 0;
bError = true;
return 0;
}
static int parseName(const char* arg, const char* const* names, bool& bError)
{
for (int i = 0; names[i]; i++)
if (!strcmp(arg, names[i]))
return i;
return x265_atoi(arg, bError);
}
/* internal versions of string-to-int with additional error checking */
#undef atoi
#undef atof
#define atoi(str) x265_atoi(str, bError)
#define atof(str) x265_atof(str, bError)
#define atobool(str) (x265_atobool(str, bError))
int x265_zone_param_parse(x265_param* p, const char* name, const char* value)
{
bool bError = false;
char nameBuf[64];
if (!name)
return X265_PARAM_BAD_NAME;
// skip -- prefix if provided
if (name[0] == '-' && name[1] == '-')
name += 2;
// s/_/-/g
if (strlen(name) + 1 < sizeof(nameBuf) && strchr(name, '_'))
{
char *c;
strcpy(nameBuf, name);
while ((c = strchr(nameBuf, '_')) != 0)
*c = '-';
name = nameBuf;
}
if (!strncmp(name, "no-", 3))
{
name += 3;
value = !value || x265_atobool(value, bError) ? "false" : "true";
}
else if (!strncmp(name, "no", 2))
{
name += 2;
value = !value || x265_atobool(value, bError) ? "false" : "true";
}
else if (!value)
value = "true";
else if (value[0] == '=')
value++;
#define OPT(STR) else if (!strcmp(name, STR))
#define OPT2(STR1, STR2) else if (!strcmp(name, STR1) || !strcmp(name, STR2))
if (0);
OPT("ref") p->maxNumReferences = atoi(value);
OPT("fast-intra") p->bEnableFastIntra = atobool(value);
OPT("early-skip") p->bEnableEarlySkip = atobool(value);
OPT("rskip") p->recursionSkipMode = atoi(value);
OPT("rskip-edge-threshold") p->edgeVarThreshold = atoi(value)/100.0f;
OPT("me") p->searchMethod = parseName(value, x265_motion_est_names, bError);
OPT("subme") p->subpelRefine = atoi(value);
OPT("merange") p->searchRange = atoi(value);
OPT("rect") p->bEnableRectInter = atobool(value);
OPT("amp") p->bEnableAMP = atobool(value);
OPT("max-merge") p->maxNumMergeCand = (uint32_t)atoi(value);
OPT("rd") p->rdLevel = atoi(value);
OPT("radl") p->radl = atoi(value);
OPT2("rdoq", "rdoq-level")
{
int bval = atobool(value);
if (bError || bval)
{
bError = false;
p->rdoqLevel = atoi(value);
}
else
p->rdoqLevel = 0;
}
OPT("b-intra") p->bIntraInBFrames = atobool(value);
OPT("scaling-list") p->scalingLists = strdup(value);
OPT("crf")
{
p->rc.rfConstant = atof(value);
p->rc.rateControlMode = X265_RC_CRF;
}
OPT("qp")
{
p->rc.qp = atoi(value);
p->rc.rateControlMode = X265_RC_CQP;
}
OPT("bitrate")
{
p->rc.bitrate = atoi(value);
p->rc.rateControlMode = X265_RC_ABR;
}
OPT("aq-mode") p->rc.aqMode = atoi(value);
OPT("aq-strength") p->rc.aqStrength = atof(value);
OPT("nr-intra") p->noiseReductionIntra = atoi(value);
OPT("nr-inter") p->noiseReductionInter = atoi(value);
OPT("limit-modes") p->limitModes = atobool(value);
OPT("splitrd-skip") p->bEnableSplitRdSkip = atobool(value);
OPT("cu-lossless") p->bCULossless = atobool(value);
OPT("rd-refine") p->bEnableRdRefine = atobool(value);
OPT("limit-tu") p->limitTU = atoi(value);
OPT("tskip") p->bEnableTransformSkip = atobool(value);
OPT("tskip-fast") p->bEnableTSkipFast = atobool(value);
OPT("rdpenalty") p->rdPenalty = atoi(value);
OPT("dynamic-rd") p->dynamicRd = atof(value);
else
return X265_PARAM_BAD_NAME;
#undef OPT
#undef OPT2
return bError ? X265_PARAM_BAD_VALUE : 0;
}
#undef atobool
#undef atoi
#undef atof
/* internal versions of string-to-int with additional error checking */
#undef atoi
#undef atof
#define atoi(str) x265_atoi(str, bError)
#define atof(str) x265_atof(str, bError)
#define atobool(str) (bNameWasBool = true, x265_atobool(str, bError))
int x265_param_parse(x265_param* p, const char* name, const char* value)
{
bool bError = false;
bool bNameWasBool = false;
bool bValueWasNull = !value;
bool bExtraParams = false;
char nameBuf[64];
static int count;
if (!name)
return X265_PARAM_BAD_NAME;
count++;
// skip -- prefix if provided
if (name[0] == '-' && name[1] == '-')
name += 2;
// s/_/-/g
if (strlen(name) + 1 < sizeof(nameBuf) && strchr(name, '_'))
{
char *c;
strcpy(nameBuf, name);
while ((c = strchr(nameBuf, '_')) != 0)
*c = '-';
name = nameBuf;
}
if (!strncmp(name, "no-", 3))
{
name += 3;
value = !value || x265_atobool(value, bError) ? "false" : "true";
}
else if (!strncmp(name, "no", 2))
{
name += 2;
value = !value || x265_atobool(value, bError) ? "false" : "true";
}
else if (!value)
value = "true";
else if (value[0] == '=')
value++;
#if defined(_MSC_VER)
#pragma warning(disable: 4127) // conditional expression is constant
#endif
#define OPT(STR) else if (!strcmp(name, STR))
#define OPT2(STR1, STR2) else if (!strcmp(name, STR1) || !strcmp(name, STR2))
#ifdef SVT_HEVC
if (p->bEnableSvtHevc)
{
if(svt_param_parse(p, name, value))
{
x265_log(p, X265_LOG_ERROR, "Error while parsing params \n");
bError = true;
}
return bError ? X265_PARAM_BAD_VALUE : 0;
}
#endif
if (0) ;
OPT("asm")
{
#if X265_ARCH_X86
if (!strcasecmp(value, "avx512"))
{
p->cpuid = X265_NS::cpu_detect(true);
if (!(p->cpuid & X265_CPU_AVX512))
x265_log(p, X265_LOG_WARNING, "AVX512 is not supported\n");
}
else
{
if (bValueWasNull)
p->cpuid = atobool(value);
else
p->cpuid = parseCpuName(value, bError, false);
}
#else
if (bValueWasNull)
p->cpuid = atobool(value);
else
p->cpuid = parseCpuName(value, bError, false);
#endif
}
OPT("fps")
{
if (sscanf(value, "%u/%u", &p->fpsNum, &p->fpsDenom) == 2)
;
else
{
float fps = (float)atof(value);
if (fps > 0 && fps <= INT_MAX / 1000)
{
p->fpsNum = (int)(fps * 1000 + .5);
p->fpsDenom = 1000;
}
else
{
p->fpsNum = atoi(value);
p->fpsDenom = 1;
}
}
}
OPT("frame-threads") p->frameNumThreads = atoi(value);
OPT("pmode") p->bDistributeModeAnalysis = atobool(value);
OPT("pme") p->bDistributeMotionEstimation = atobool(value);
OPT2("level-idc", "level")
{
/* allow "5.1" or "51", both converted to integer 51 */
/* if level-idc specifies an obviously wrong value in either float or int,
throw error consistently. Stronger level checking will be done in encoder_open() */
if (atof(value) < 10)
p->levelIdc = (int)(10 * atof(value) + .5);
else if (atoi(value) < 100)
p->levelIdc = atoi(value);
else
bError = true;
}
OPT("high-tier") p->bHighTier = atobool(value);
OPT("allow-non-conformance") p->bAllowNonConformance = atobool(value);
OPT2("log-level", "log")
{
p->logLevel = atoi(value);
if (bError)
{
bError = false;
p->logLevel = parseName(value, logLevelNames, bError) - 1;
}
}
OPT("cu-stats") p->bLogCuStats = atobool(value);
OPT("total-frames") p->totalFrames = atoi(value);
OPT("annexb") p->bAnnexB = atobool(value);
OPT("repeat-headers") p->bRepeatHeaders = atobool(value);
OPT("wpp") p->bEnableWavefront = atobool(value);
OPT("ctu") p->maxCUSize = (uint32_t)atoi(value);
OPT("min-cu-size") p->minCUSize = (uint32_t)atoi(value);
OPT("tu-intra-depth") p->tuQTMaxIntraDepth = (uint32_t)atoi(value);
OPT("tu-inter-depth") p->tuQTMaxInterDepth = (uint32_t)atoi(value);
OPT("max-tu-size") p->maxTUSize = (uint32_t)atoi(value);
OPT("subme") p->subpelRefine = atoi(value);
OPT("merange") p->searchRange = atoi(value);
OPT("rect") p->bEnableRectInter = atobool(value);
OPT("amp") p->bEnableAMP = atobool(value);
OPT("max-merge") p->maxNumMergeCand = (uint32_t)atoi(value);
OPT("temporal-mvp") p->bEnableTemporalMvp = atobool(value);
OPT("early-skip") p->bEnableEarlySkip = atobool(value);
OPT("rskip") p->recursionSkipMode = atoi(value);
OPT("rdpenalty") p->rdPenalty = atoi(value);
OPT("tskip") p->bEnableTransformSkip = atobool(value);
OPT("no-tskip-fast") p->bEnableTSkipFast = atobool(value);
OPT("tskip-fast") p->bEnableTSkipFast = atobool(value);
OPT("strong-intra-smoothing") p->bEnableStrongIntraSmoothing = atobool(value);
OPT("lossless") p->bLossless = atobool(value);
OPT("cu-lossless") p->bCULossless = atobool(value);
OPT2("constrained-intra", "cip") p->bEnableConstrainedIntra = atobool(value);
OPT("fast-intra") p->bEnableFastIntra = atobool(value);
OPT("open-gop") p->bOpenGOP = atobool(value);
OPT("intra-refresh") p->bIntraRefresh = atobool(value);
OPT("lookahead-slices") p->lookaheadSlices = atoi(value);
OPT("scenecut")
{
p->scenecutThreshold = atobool(value);
if (bError || p->scenecutThreshold)
{
bError = false;
p->scenecutThreshold = atoi(value);
p->bHistBasedSceneCut = 0;
}
}
OPT("temporal-layers") p->bEnableTemporalSubLayers = atobool(value);
OPT("keyint") p->keyframeMax = atoi(value);
OPT("min-keyint") p->keyframeMin = atoi(value);
OPT("rc-lookahead") p->lookaheadDepth = atoi(value);
OPT("bframes") p->bframes = atoi(value);
OPT("bframe-bias") p->bFrameBias = atoi(value);
OPT("b-adapt")
{
p->bFrameAdaptive = atobool(value);
if (bError || p->bFrameAdaptive)
{
bError = false;
p->bFrameAdaptive = atoi(value);
}
}
OPT("interlace")
{
p->interlaceMode = atobool(value);
if (bError || p->interlaceMode)
{
bError = false;
p->interlaceMode = parseName(value, x265_interlace_names, bError);
}
}
OPT("ref") p->maxNumReferences = atoi(value);
OPT("limit-refs") p->limitReferences = atoi(value);
OPT("limit-modes") p->limitModes = atobool(value);
OPT("weightp") p->bEnableWeightedPred = atobool(value);
OPT("weightb") p->bEnableWeightedBiPred = atobool(value);
OPT("cbqpoffs") p->cbQpOffset = atoi(value);
OPT("crqpoffs") p->crQpOffset = atoi(value);
OPT("rd") p->rdLevel = atoi(value);
OPT2("rdoq", "rdoq-level")
{
int bval = atobool(value);
if (bError || bval)
{
bError = false;
p->rdoqLevel = atoi(value);
}
else
p->rdoqLevel = 0;
}
OPT("psy-rd")
{
int bval = atobool(value);
if (bError || bval)
{
bError = false;