/*! * \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" #include "wels_common_defs.h" using namespace WelsCommon; namespace WelsEnc { static inline int32_t WelsCheckLevelLimitation (const SWelsSPS* kpSps, const SLevelLimits* 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->uiMaxDPBMbs < 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"); } iRefFrame = g_ksLevelLimits[pSpatialLayer->uiLevelIdc - 1].uiMaxDPBMbs / uiPicInMBs; if (iRefFrame < pParam->iMaxNumRefFrame) pParam->iMaxNumRefFrame = iRefFrame; if (pParam->iMaxNumRefFrame < 1) { pParam->iMaxNumRefFrame = 1; WelsLog (pLogCtx, WELS_LOG_ERROR, "error Level setting (%d)", 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_ksLevelLimits[iOrder]), fFrameRate, iTargetBitRate)) { return (int32_t) (g_ksLevelLimits[iOrder].uiLevelIdc); } } 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; //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; 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 WelsEnc
/*!
* \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"
#include "wels_common_defs.h"
using namespace WelsCommon;
namespace WelsEnc {
static inline int32_t WelsCheckLevelLimitation (const SWelsSPS* kpSps, const SLevelLimits* 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->uiMaxDPBMbs < 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");
}
iRefFrame = g_ksLevelLimits[pSpatialLayer->uiLevelIdc - 1].uiMaxDPBMbs / uiPicInMBs;
if (iRefFrame < pParam->iMaxNumRefFrame)
pParam->iMaxNumRefFrame = iRefFrame;
if (pParam->iMaxNumRefFrame < 1) {
pParam->iMaxNumRefFrame = 1;
WelsLog (pLogCtx, WELS_LOG_ERROR, "error Level setting (%d)", 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_ksLevelLimits[iOrder]), fFrameRate, iTargetBitRate)) {
return (int32_t) (g_ksLevelLimits[iOrder].uiLevelIdc);
}
}
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;
//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;
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 WelsEnc