static int32_t MMCO (PWelsDecoderContext pCtx, PRefPicMarking pRefPicMarking) {
PSps pSps = pCtx->pCurDqLayer->sLayerInfo.pSps;
int32_t i = 0;
int32_t iRet = ERR_NONE;
for (i = 0; i < MAX_MMCO_COUNT && pRefPicMarking->sMmcoRef[i].uiMmcoType != MMCO_END; i++) {
uint32_t uiMmcoType = pRefPicMarking->sMmcoRef[i].uiMmcoType;
int32_t iShortFrameNum = (pCtx->iFrameNum - pRefPicMarking->sMmcoRef[i].iDiffOfPicNum) & ((
1 << pSps->uiLog2MaxFrameNum) - 1);
uint32_t uiLongTermPicNum = pRefPicMarking->sMmcoRef[i].uiLongTermPicNum;
int32_t iLongTermFrameIdx = pRefPicMarking->sMmcoRef[i].iLongTermFrameIdx;
int32_t iMaxLongTermFrameIdx = pRefPicMarking->sMmcoRef[i].iMaxLongTermFrameIdx;
if (uiMmcoType > MMCO_LONG) {
return ERR_INFO_INVALID_MMCO_OPCODE_BASE;
}
iRet = MMCOProcess (pCtx, uiMmcoType, iShortFrameNum, uiLongTermPicNum, iLongTermFrameIdx, iMaxLongTermFrameIdx);
if (iRet != ERR_NONE) {
return iRet;
}
}
if (i == MAX_MMCO_COUNT) { //although Rec does not handle this condition, we here prohibit too many MMCO op
return ERR_INFO_INVALID_MMCO_NUM;
}
return ERR_NONE;
}
static int32_t MMCO (PWelsDecoderContext pCtx, PRefPicMarking pRefPicMarking) {
PSps pSps = pCtx->pCurDqLayer->sLayerInfo.pSps;
int32_t i = 0;
int32_t iRet = ERR_NONE;
for (i = 0; pRefPicMarking->sMmcoRef[i].uiMmcoType != MMCO_END; i++) {
uint32_t uiMmcoType = pRefPicMarking->sMmcoRef[i].uiMmcoType;
int32_t iShortFrameNum = (pCtx->iFrameNum - pRefPicMarking->sMmcoRef[i].iDiffOfPicNum) & ((
1 << pSps->uiLog2MaxFrameNum) - 1);
uint32_t uiLongTermPicNum = pRefPicMarking->sMmcoRef[i].uiLongTermPicNum;
int32_t iLongTermFrameIdx = pRefPicMarking->sMmcoRef[i].iLongTermFrameIdx;
int32_t iMaxLongTermFrameIdx = pRefPicMarking->sMmcoRef[i].iMaxLongTermFrameIdx;
if (uiMmcoType > MMCO_LONG) {
return ERR_INFO_INVALID_MMCO_OPCODE_BASE;
}
iRet = MMCOProcess (pCtx, uiMmcoType, iShortFrameNum, uiLongTermPicNum, iLongTermFrameIdx, iMaxLongTermFrameIdx);
if (iRet != ERR_NONE) {
return iRet;
}
}
return ERR_NONE;
}
static int32_t MMCOBase(PWelsDecoderContext pCtx,PRefBasePicMarking pRefPicBaseMarking)
{
PSps pSps = pCtx->pCurDqLayer->sLayerInfo.pSps;
int32_t i = 0;
int32_t iRet = ERR_NONE;
for ( i = 0 ; pRefPicBaseMarking->mmco_base[i].uiMmcoType != MMCO_END; i++){
uint32_t uiMmcoType = pRefPicBaseMarking->mmco_base[i].uiMmcoType;
int32_t iShortFrameNum = (pCtx->iFrameNum - pRefPicBaseMarking->mmco_base[i].uiDiffOfPicNums) &((1<<pSps->uiLog2MaxFrameNum)-1);
uint32_t uiLongTermPicNum = pRefPicBaseMarking->mmco_base[i].uiLongTermPicNum;
if ( uiMmcoType > MMCO_LONG2UNUSED) {
return ERR_INFO_INVALID_MMCO_OPCODE_BASE;
}
iRet = MMCOProcess(pCtx,uiMmcoType,TRUE,iShortFrameNum,uiLongTermPicNum,0,0);
if (iRet != ERR_NONE){
return iRet;
}
}
return ERR_NONE;
}
