ref: 11f0a111772d964b30ee428979d2c25e11ee8df4
dir: /codec/encoder/core/src/au_set.cpp/
/*!
* \copy
* Copyright (c) 2009-2013, Cisco Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*
* \file au_set.c
*
* \brief Interfaces introduced in Access Unit level based writer
*
* \date 05/18/2009 Created
*
*************************************************************************************
*/
#include "au_set.h"
#include "svc_enc_golomb.h"
#include "macros.h"
namespace WelsSVCEnc {
#define LEVEL_NUMBER 16
typedef struct TagLevelLimit {
uint8_t iLevelIdc;
uint32_t uiMaxMbPS; // Max MBs processing speed
uint32_t uiMaxFS; // Max Frame size
uint32_t uiMaxDPBMB; //Max DPB MB Size
uint32_t uiMaxBR; //Max Bitrate
} SLevelLimit;
const SLevelLimit g_ksLevelLimit[LEVEL_NUMBER] = {
{ 10, 1485, 99, 396, 64 }, //10
{ 9, 1485, 99, 396, 128 }, //9 (1b)
{ 11, 3000, 396, 900, 192 }, //11
{ 12, 6000, 396, 2376, 384 }, //12
{ 13, 11880, 396, 2376, 768 }, //13
{ 20, 11880, 396, 2376, 2000 }, //20
{ 21, 19800, 792, 4752, 4000 }, //21
{ 22, 20250, 1620, 8100, 4000 }, //22
{ 30, 40500, 1620, 8100, 10000 }, //30
{ 31, 108000, 3600, 18000, 14000 }, //31
{ 32, 216000, 5120, 20480, 20000 }, //32
{ 40, 245760, 8192, 32768, 20000 }, //40
{ 41, 245760, 8192, 32768, 50000 }, //41
{ 42, 491520, 8192, 34816, 50000 }, //42
{ 50, 589824, 22080, 110400, 135000 }, //50
{ 51, 983040, 36864, 184320, 240000 } //51
};
static inline int32_t WelsCheckLevelLimitation (const SWelsSPS* kpSps, const SLevelLimit* kpLevelLimit,
float fFrameRate, int32_t iTargetBitRate) {
uint32_t uiPicWidthInMBs = kpSps->iMbWidth;
uint32_t uiPicHeightInMBs = kpSps->iMbHeight;
uint32_t uiPicInMBs = uiPicWidthInMBs * uiPicHeightInMBs;
uint32_t uiNumRefFrames = kpSps->iNumRefFrames;
if (kpLevelLimit->uiMaxMbPS < (uint32_t) (uiPicInMBs * fFrameRate))
return 0;
if (kpLevelLimit->uiMaxFS < uiPicInMBs)
return 0;
if ((kpLevelLimit->uiMaxFS << 3) < (uiPicWidthInMBs * uiPicWidthInMBs))
return 0;
if ((kpLevelLimit->uiMaxFS << 3) < (uiPicHeightInMBs * uiPicHeightInMBs))
return 0;
if (kpLevelLimit->uiMaxDPBMB < uiNumRefFrames * uiPicInMBs)
return 0;
if (iTargetBitRate
&& ((int32_t) kpLevelLimit->uiMaxBR * 1200) < iTargetBitRate) //RC enabled, considering bitrate constraint
return 0;
//add more checks here if needed in future
return 1;
}
int32_t WelsCheckRefFrameLimitation (SLogContext* pLogCtx, SWelsSvcCodingParam* pParam) {
int32_t i = 0;
int32_t iRefFrame = 1;
//get the number of reference frame according to level limitation.
for (i = 0; i < pParam->iSpatialLayerNum; ++ i) {
SSpatialLayerConfig* pSpatialLayer = &pParam->sSpatialLayers[i];
uint32_t uiPicInMBs = ((pSpatialLayer->iVideoHeight + 15) >> 4) * ((pSpatialLayer->iVideoWidth + 15) >> 4);
if (pSpatialLayer->uiLevelIdc == LEVEL_UNKNOWN) {
pSpatialLayer->uiLevelIdc = LEVEL_5_0;
WelsLog (pLogCtx, WELS_LOG_WARNING, "change level to level5.0\n");
}
iRefFrame = g_ksLevelLimit[pSpatialLayer->uiLevelIdc - 1].uiMaxDPBMB / uiPicInMBs;
if (iRefFrame < pParam->iMaxNumRefFrame)
pParam->iMaxNumRefFrame = iRefFrame;
if (pParam->iMaxNumRefFrame < 1) {
pParam->iMaxNumRefFrame = 1;
WelsLog (pLogCtx, WELS_LOG_ERROR, "error Level setting (%d)\n", pSpatialLayer->uiLevelIdc);
return ENC_RETURN_UNSUPPORTED_PARA;
}
}
return ENC_RETURN_SUCCESS;
}
static inline int32_t WelsGetLevelIdc (const SWelsSPS* kpSps, float fFrameRate, int32_t iTargetBitRate) {
int32_t iOrder;
for (iOrder = 0; iOrder < LEVEL_NUMBER; iOrder++) {
if (WelsCheckLevelLimitation (kpSps, & (g_ksLevelLimit[iOrder]), fFrameRate, iTargetBitRate)) {
return (int32_t) (g_ksLevelLimit[iOrder].iLevelIdc);
}
}
return 51; //final decision: select the biggest level
}
/*!
*************************************************************************************
* \brief to set Sequence Parameter Set (SPS)
*
* \param pSps SWelsSPS to be wrote, update iSpsId dependency
* \param pBitStringAux bitstream writer auxiliary
*
* \return 0 - successed
* 1 - failed
*
* \note Call it in case EWelsNalUnitType is SPS.
*************************************************************************************
*/
int32_t WelsWriteSpsSyntax (SWelsSPS* pSps, SBitStringAux* pBitStringAux, int32_t* pSpsIdDelta) {
SBitStringAux* pLocalBitStringAux = pBitStringAux;
assert (pSps != NULL && pBitStringAux != NULL);
BsWriteBits (pLocalBitStringAux, 8, pSps->uiProfileIdc);
BsWriteOneBit (pLocalBitStringAux, pSps->bConstraintSet0Flag); // bConstraintSet0Flag
BsWriteOneBit (pLocalBitStringAux, pSps->bConstraintSet1Flag); // bConstraintSet1Flag
BsWriteOneBit (pLocalBitStringAux, pSps->bConstraintSet2Flag); // bConstraintSet2Flag
BsWriteOneBit (pLocalBitStringAux, pSps->bConstraintSet3Flag); // bConstraintSet3Flag
BsWriteBits (pLocalBitStringAux, 4, 0); // reserved_zero_4bits, equal to 0
BsWriteBits (pLocalBitStringAux, 8, pSps->iLevelIdc); // iLevelIdc
BsWriteUE (pLocalBitStringAux, pSps->uiSpsId + pSpsIdDelta[pSps->uiSpsId]); // seq_parameter_set_id
if (PRO_SCALABLE_BASELINE == pSps->uiProfileIdc || PRO_SCALABLE_HIGH == pSps->uiProfileIdc ||
PRO_HIGH == pSps->uiProfileIdc || PRO_HIGH10 == pSps->uiProfileIdc ||
PRO_HIGH422 == pSps->uiProfileIdc || PRO_HIGH444 == pSps->uiProfileIdc ||
PRO_CAVLC444 == pSps->uiProfileIdc || 44 == pSps->uiProfileIdc) {
BsWriteUE (pLocalBitStringAux, 1); //uiChromaFormatIdc, now should be 1
BsWriteUE (pLocalBitStringAux, 0); //uiBitDepthLuma
BsWriteUE (pLocalBitStringAux, 0); //uiBitDepthChroma
BsWriteOneBit (pLocalBitStringAux, 0); //qpprime_y_zero_transform_bypass_flag
BsWriteOneBit (pLocalBitStringAux, 0); //seq_scaling_matrix_present_flag
}
BsWriteUE (pLocalBitStringAux, pSps->uiLog2MaxFrameNum - 4); // log2_max_frame_num_minus4
BsWriteUE (pLocalBitStringAux, 0/*pSps->uiPocType*/); // pic_order_cnt_type
BsWriteUE (pLocalBitStringAux, pSps->iLog2MaxPocLsb - 4); // log2_max_pic_order_cnt_lsb_minus4
BsWriteUE (pLocalBitStringAux, pSps->iNumRefFrames); // max_num_ref_frames
BsWriteOneBit (pLocalBitStringAux, true/*pSps->bGapsInFrameNumValueAllowedFlag*/); // bGapsInFrameNumValueAllowedFlag
BsWriteUE (pLocalBitStringAux, pSps->iMbWidth - 1); // pic_width_in_mbs_minus1
BsWriteUE (pLocalBitStringAux, pSps->iMbHeight - 1); // pic_height_in_map_units_minus1
BsWriteOneBit (pLocalBitStringAux, true/*pSps->bFrameMbsOnlyFlag*/); // bFrameMbsOnlyFlag
BsWriteOneBit (pLocalBitStringAux, 0/*pSps->bDirect8x8InferenceFlag*/); // direct_8x8_inference_flag
BsWriteOneBit (pLocalBitStringAux, pSps->bFrameCroppingFlag); // bFrameCroppingFlag
if (pSps->bFrameCroppingFlag) {
BsWriteUE (pLocalBitStringAux, pSps->sFrameCrop.iCropLeft); // frame_crop_left_offset
BsWriteUE (pLocalBitStringAux, pSps->sFrameCrop.iCropRight); // frame_crop_right_offset
BsWriteUE (pLocalBitStringAux, pSps->sFrameCrop.iCropTop); // frame_crop_top_offset
BsWriteUE (pLocalBitStringAux, pSps->sFrameCrop.iCropBottom); // frame_crop_bottom_offset
}
BsWriteOneBit (pLocalBitStringAux, 0/*pSps->bVuiParamPresentFlag*/); // vui_parameters_present_flag
return 0;
}
int32_t WelsWriteSpsNal (SWelsSPS* pSps, SBitStringAux* pBitStringAux, int32_t* pSpsIdDelta) {
WelsWriteSpsSyntax (pSps, pBitStringAux, pSpsIdDelta);
BsRbspTrailingBits (pBitStringAux);
return 0;
}
/*!
*************************************************************************************
* \brief to write SubSet Sequence Parameter Set
*
* \param sub_sps subset pSps parsed
* \param pBitStringAux bitstream writer auxiliary
*
* \return 0 - successed
* 1 - failed
*
* \note Call it in case EWelsNalUnitType is SubSet SPS.
*************************************************************************************
*/
int32_t WelsWriteSubsetSpsSyntax (SSubsetSps* pSubsetSps, SBitStringAux* pBitStringAux , int32_t* pSpsIdDelta) {
SWelsSPS* pSps = &pSubsetSps->pSps;
WelsWriteSpsSyntax (pSps, pBitStringAux, pSpsIdDelta);
if (pSps->uiProfileIdc == PRO_SCALABLE_BASELINE || pSps->uiProfileIdc == PRO_SCALABLE_HIGH) {
SSpsSvcExt* pSubsetSpsExt = &pSubsetSps->sSpsSvcExt;
BsWriteOneBit (pBitStringAux, true/*pSubsetSpsExt->bInterLayerDeblockingFilterCtrlPresentFlag*/);
BsWriteBits (pBitStringAux, 2, pSubsetSpsExt->iExtendedSpatialScalability);
BsWriteOneBit (pBitStringAux, 0/*pSubsetSpsExt->uiChromaPhaseXPlus1Flag*/);
BsWriteBits (pBitStringAux, 2, 1/*pSubsetSpsExt->uiChromaPhaseYPlus1*/);
if (pSubsetSpsExt->iExtendedSpatialScalability == 1) {
BsWriteOneBit (pBitStringAux, 0/*pSubsetSpsExt->uiSeqRefLayerChromaPhaseXPlus1Flag*/);
BsWriteBits (pBitStringAux, 2, 1/*pSubsetSpsExt->uiSeqRefLayerChromaPhaseYPlus1*/);
BsWriteSE (pBitStringAux, 0/*pSubsetSpsExt->sSeqScaledRefLayer.left_offset*/);
BsWriteSE (pBitStringAux, 0/*pSubsetSpsExt->sSeqScaledRefLayer.top_offset*/);
BsWriteSE (pBitStringAux, 0/*pSubsetSpsExt->sSeqScaledRefLayer.right_offset*/);
BsWriteSE (pBitStringAux, 0/*pSubsetSpsExt->sSeqScaledRefLayer.bottom_offset*/);
}
BsWriteOneBit (pBitStringAux, pSubsetSpsExt->bSeqTcoeffLevelPredFlag);
if (pSubsetSpsExt->bSeqTcoeffLevelPredFlag) {
BsWriteOneBit (pBitStringAux, pSubsetSpsExt->bAdaptiveTcoeffLevelPredFlag);
}
BsWriteOneBit (pBitStringAux, pSubsetSpsExt->bSliceHeaderRestrictionFlag);
BsWriteOneBit (pBitStringAux, false/*pSubsetSps->bSvcVuiParamPresentFlag*/);
}
BsWriteOneBit (pBitStringAux, false/*pSubsetSps->bAdditionalExtension2Flag*/);
BsRbspTrailingBits (pBitStringAux);
return 0;
}
/*!
*************************************************************************************
* \brief to write Picture Parameter Set (PPS)
*
* \param pPps pPps
* \param pBitStringAux bitstream writer auxiliary
*
* \return 0 - successed
* 1 - failed
*
* \note Call it in case EWelsNalUnitType is PPS.
*************************************************************************************
*/
int32_t WelsWritePpsSyntax (SWelsPPS* pPps, SBitStringAux* pBitStringAux, SParaSetOffset* sPSOVector) {
SBitStringAux* pLocalBitStringAux = pBitStringAux;
bool bUsedSubset = sPSOVector->bPpsIdMappingIntoSubsetsps[pPps->iPpsId];
int32_t iParameterSetType = (bUsedSubset ? PARA_SET_TYPE_SUBSETSPS : PARA_SET_TYPE_AVCSPS);
BsWriteUE (pLocalBitStringAux, pPps->iPpsId +
sPSOVector->sParaSetOffsetVariable[PARA_SET_TYPE_PPS].iParaSetIdDelta[pPps->iPpsId]);
BsWriteUE (pLocalBitStringAux, pPps->iSpsId +
sPSOVector->sParaSetOffsetVariable[iParameterSetType].iParaSetIdDelta[pPps->iSpsId]);
#if _DEBUG
//SParaSetOffset use, 110421
if (sPSOVector->bEnableSpsPpsIdAddition) {
const int32_t kiTmpSpsIdInBs = pPps->iSpsId +
sPSOVector->sParaSetOffsetVariable[iParameterSetType].iParaSetIdDelta[pPps->iSpsId];
const int32_t tmp_pps_id_in_bs = pPps->iPpsId +
sPSOVector->sParaSetOffsetVariable[PARA_SET_TYPE_PPS].iParaSetIdDelta[pPps->iPpsId];
assert (MAX_SPS_COUNT > kiTmpSpsIdInBs);
assert (MAX_PPS_COUNT > tmp_pps_id_in_bs);
assert (sPSOVector->sParaSetOffsetVariable[iParameterSetType].bUsedParaSetIdInBs[kiTmpSpsIdInBs]);
}
#endif
BsWriteOneBit (pLocalBitStringAux, false/*pPps->entropy_coding_mode_flag*/);
BsWriteOneBit (pLocalBitStringAux, false/*pPps->bPicOrderPresentFlag*/);
#ifdef DISABLE_FMO_FEATURE
BsWriteUE (pLocalBitStringAux, 0/*pPps->uiNumSliceGroups - 1*/);
#else
BsWriteUE (pLocalBitStringAux, pPps->uiNumSliceGroups - 1);
if (pPps->uiNumSliceGroups > 1) {
uint32_t i, uiNumBits;
BsWriteUE (pLocalBitStringAux, pPps->uiSliceGroupMapType);
switch (pPps->uiSliceGroupMapType) {
case 0:
for (i = 0; i < pPps->uiNumSliceGroups; i ++) {
BsWriteUE (pLocalBitStringAux, pPps->uiRunLength[i] - 1);
}
break;
case 2:
for (i = 0; i < pPps->uiNumSliceGroups; i ++) {
BsWriteUE (pLocalBitStringAux, pPps->uiTopLeft[i]);
BsWriteUE (pLocalBitStringAux, pPps->uiBottomRight[i]);
}
break;
case 3:
case 4:
case 5:
BsWriteOneBit (pLocalBitStringAux, pPps->bSliceGroupChangeDirectionFlag);
BsWriteUE (pLocalBitStringAux, pPps->uiSliceGroupChangeRate - 1);
break;
case 6:
BsWriteUE (pLocalBitStringAux, pPps->uiPicSizeInMapUnits - 1);
uiNumBits = 0;///////////////////WELS_CEILLOG2(pPps->uiPicSizeInMapUnits);
for (i = 0; i < pPps->uiPicSizeInMapUnits; i ++) {
BsWriteBits (pLocalBitStringAux, uiNumBits, pPps->uiSliceGroupId[i]);
}
break;
default:
break;
}
}
#endif//!DISABLE_FMO_FEATURE
BsWriteUE (pLocalBitStringAux, 0/*pPps->uiNumRefIdxL0Active - 1*/);
BsWriteUE (pLocalBitStringAux, 0/*pPps->uiNumRefIdxL1Active - 1*/);
BsWriteOneBit (pLocalBitStringAux, false/*pPps->bWeightedPredFlag*/);
BsWriteBits (pLocalBitStringAux, 2, 0/*pPps->uiWeightedBiPredIdc*/);
BsWriteSE (pLocalBitStringAux, pPps->iPicInitQp - 26);
BsWriteSE (pLocalBitStringAux, pPps->iPicInitQs - 26);
BsWriteSE (pLocalBitStringAux, pPps->uiChromaQpIndexOffset);
BsWriteOneBit (pLocalBitStringAux, pPps->bDeblockingFilterControlPresentFlag);
BsWriteOneBit (pLocalBitStringAux, false/*pPps->bConstainedIntraPredFlag*/);
BsWriteOneBit (pLocalBitStringAux, false/*pPps->bRedundantPicCntPresentFlag*/);
BsRbspTrailingBits (pLocalBitStringAux);
return 0;
}
static inline bool WelsGetPaddingOffset (int32_t iActualWidth, int32_t iActualHeight, int32_t iWidth,
int32_t iHeight, SCropOffset& pOffset) {
if ((iWidth < iActualWidth) || (iHeight < iActualHeight))
return false;
// make actual size even
iActualWidth -= (iActualWidth & 1);
iActualHeight -= (iActualHeight & 1);
pOffset.iCropLeft = 0;
pOffset.iCropRight = (iWidth - iActualWidth) / 2;
pOffset.iCropTop = 0;
pOffset.iCropBottom = (iHeight - iActualHeight) / 2;
return (iWidth > iActualWidth) || (iHeight > iActualHeight);
}
int32_t WelsInitSps (SWelsSPS* pSps, SSpatialLayerConfig* pLayerParam, SSpatialLayerInternal* pLayerParamInternal,
const uint32_t kuiIntraPeriod, const int32_t kiNumRefFrame,
const uint32_t kuiSpsId, const bool kbEnableFrameCropping, bool bEnableRc) {
memset (pSps, 0, sizeof (SWelsSPS));
pSps->uiSpsId = kuiSpsId;
pSps->iMbWidth = (pLayerParam->iVideoWidth + 15) >> 4;
pSps->iMbHeight = (pLayerParam->iVideoHeight + 15) >> 4;
if (0 == kuiIntraPeriod) {
//max value of both iFrameNum and POC are 2^16-1, in our encoder, iPOC=2*iFrameNum, so max of iFrameNum should be 2^15-1.--
pSps->uiLog2MaxFrameNum = 15;//16;
} else {
pSps->uiLog2MaxFrameNum = 4;
while ((uint32_t) (1 << pSps->uiLog2MaxFrameNum) <= kuiIntraPeriod) {
++ pSps->uiLog2MaxFrameNum;
}
}
pSps->iLog2MaxPocLsb = 1 + pSps->uiLog2MaxFrameNum;
pSps->iNumRefFrames = kiNumRefFrame; /* min pRef size when fifo pRef operation*/
if (kbEnableFrameCropping) {
// TODO: get frame_crop_left_offset, frame_crop_right_offset, frame_crop_top_offset, frame_crop_bottom_offset
pSps->bFrameCroppingFlag = WelsGetPaddingOffset (pLayerParamInternal->iActualWidth, pLayerParamInternal->iActualHeight,
pLayerParam->iVideoWidth, pLayerParam->iVideoHeight, pSps->sFrameCrop);
} else {
pSps->bFrameCroppingFlag = false;
}
pSps->uiProfileIdc = pLayerParam->uiProfileIdc ? pLayerParam->uiProfileIdc : PRO_BASELINE;
if (bEnableRc) //fixed QP condition
pSps->iLevelIdc = WelsGetLevelIdc (pSps, pLayerParamInternal->fOutputFrameRate, pLayerParam->iSpatialBitrate);
else
pSps->iLevelIdc = WelsGetLevelIdc (pSps, pLayerParamInternal->fOutputFrameRate,
0); // Set tar_br = 0 to remove the bitrate constraint; a better way is to set actual tar_br as 0
//for Scalable Baseline, Scalable High, and Scalable High Intra profiles.If level_idc is equal to 9, the indicated level is level 1b.
//for the Baseline, Constrained Baseline, Main, and Extended profiles,If level_idc is equal to 11 and constraint_set3_flag is equal to 1, the indicated level is level 1b.
if ((pSps->iLevelIdc == 9) &&
((pSps->uiProfileIdc == PRO_BASELINE) || (pSps->uiProfileIdc == PRO_MAIN) || (pSps->uiProfileIdc == PRO_EXTENDED))) {
pSps->iLevelIdc = 11;
pSps->bConstraintSet3Flag = true;
}
return 0;
}
int32_t WelsInitSubsetSps (SSubsetSps* pSubsetSps, SSpatialLayerConfig* pLayerParam,
SSpatialLayerInternal* pLayerParamInternal,
const uint32_t kuiIntraPeriod, const int32_t kiNumRefFrame,
const uint32_t kuiSpsId, const bool kbEnableFrameCropping, bool bEnableRc) {
SWelsSPS* pSps = &pSubsetSps->pSps;
memset (pSubsetSps, 0, sizeof (SSubsetSps));
WelsInitSps (pSps, pLayerParam, pLayerParamInternal, kuiIntraPeriod, kiNumRefFrame, kuiSpsId, kbEnableFrameCropping,
bEnableRc);
pSps->uiProfileIdc = (pLayerParam->uiProfileIdc >= PRO_SCALABLE_BASELINE) ? pLayerParam->uiProfileIdc :
PRO_SCALABLE_BASELINE;
pSubsetSps->sSpsSvcExt.iExtendedSpatialScalability = 0; /* ESS is 0 in default */
pSubsetSps->sSpsSvcExt.bAdaptiveTcoeffLevelPredFlag = false;
pSubsetSps->sSpsSvcExt.bSeqTcoeffLevelPredFlag = false;
pSubsetSps->sSpsSvcExt.bSliceHeaderRestrictionFlag = true;
return 0;
}
int32_t WelsInitPps (SWelsPPS* pPps,
SWelsSPS* pSps,
SSubsetSps* pSubsetSps,
const uint32_t kuiPpsId,
const bool kbDeblockingFilterPresentFlag,
const bool kbUsingSubsetSps) {
SWelsSPS* pUsedSps = NULL;
if (pPps == NULL || (pSps == NULL && pSubsetSps == NULL))
return 1;
if (!kbUsingSubsetSps) {
assert (pSps != NULL);
if (NULL == pSps)
return 1;
pUsedSps = pSps;
} else {
assert (pSubsetSps != NULL);
if (NULL == pSubsetSps)
return 1;
pUsedSps = &pSubsetSps->pSps;
}
/* fill picture parameter set syntax */
pPps->iPpsId = kuiPpsId;
pPps->iSpsId = pUsedSps->uiSpsId;
#if !defined(DISABLE_FMO_FEATURE)
pPps->uiNumSliceGroups = 1; //param->qos_param.sliceGroupCount;
if (pPps->uiNumSliceGroups > 1) {
pPps->uiSliceGroupMapType = 0; //param->qos_param.sliceGroupType;
if (pPps->uiSliceGroupMapType == 0) {
uint32_t uiGroup = 0;
while (uiGroup < pPps->uiNumSliceGroups) {
pPps->uiRunLength[uiGroup] = 25;
++ uiGroup;
}
} else if (pPps->uiSliceGroupMapType == 2) {
memset (&pPps->uiTopLeft[0], 0, MAX_SLICEGROUP_IDS * sizeof (pPps->uiTopLeft[0]));
memset (&pPps->uiBottomRight[0], 0, MAX_SLICEGROUP_IDS * sizeof (pPps->uiBottomRight[0]));
} else if (pPps->uiSliceGroupMapType >= 3 &&
pPps->uiSliceGroupMapType <= 5) {
pPps->bSliceGroupChangeDirectionFlag = false;
pPps->uiSliceGroupChangeRate = 0;
} else if (pPps->uiSliceGroupMapType == 6) {
pPps->uiPicSizeInMapUnits = 1;
memset (&pPps->uiSliceGroupId[0], 0, MAX_SLICEGROUP_IDS * sizeof (pPps->uiSliceGroupId[0]));
}
}
#endif//!DISABLE_FMO_FEATURE
pPps->iPicInitQp = 26;
pPps->iPicInitQs = 26;
pPps->uiChromaQpIndexOffset = 0;
pPps->bDeblockingFilterControlPresentFlag = kbDeblockingFilterPresentFlag;
return 0;
}
} // namespace WelsSVCEnc