static int32_t RemainOneBufferInDpbForEC (PWelsDecoderContext pCtx) {
int32_t iRet = ERR_NONE;
PRefPic pRefPic = &pCtx->sRefPic;
if (pRefPic->uiShortRefCount[0] + pRefPic->uiLongRefCount[0] < pCtx->pSps->iNumRefFrames)
return iRet;
if (pRefPic->uiShortRefCount[0] > 0) {
iRet = SlidingWindow (pCtx);
} else { //all LTR, remove the smallest long_term_frame_idx
int32_t iLongTermFrameIdx = 0;
int32_t iMaxLongTermFrameIdx = pRefPic->iMaxLongTermFrameIdx;
#ifdef LONG_TERM_REF
int32_t iCurrLTRFrameIdx = GetLTRFrameIndex (pRefPic, pCtx->iFrameNumOfAuMarkedLtr);
#endif
while ((pRefPic->uiLongRefCount[0] >= pCtx->pSps->iNumRefFrames) && (iLongTermFrameIdx <= iMaxLongTermFrameIdx)) {
#ifdef LONG_TERM_REF
if (iLongTermFrameIdx == iCurrLTRFrameIdx) {
iLongTermFrameIdx++;
continue;
}
#endif
WelsDelLongFromListSetUnref (pRefPic, iLongTermFrameIdx);
iLongTermFrameIdx++;
}
}
if (pRefPic->uiShortRefCount[0] + pRefPic->uiLongRefCount[0] >=
pCtx->pSps->iNumRefFrames) { //fail to remain one empty buffer in DPB
WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING, "RemainOneBufferInDpbForEC(): empty one DPB failed for EC!");
iRet = ERR_INFO_REF_COUNT_OVERFLOW;
}
return iRet;
}
static int32_t MarkAsLongTerm( PRefPic pRefPic,int32_t iFrameNum, int32_t iLongTermFrameIdx )
{
PPicture pPic = NULL;
int32_t i = 0;
int32_t iRet = ERR_NONE;
WelsDelLongFromListSetUnref(pRefPic,iLongTermFrameIdx,REMOVE_TARGET);
WelsDelLongFromListSetUnref(pRefPic,iLongTermFrameIdx,REMOVE_BASE);
for (i = 0; i<pRefPic->uiRefCount[LIST_0];i++) {
pPic = pRefPic->pRefList[LIST_0][i];
if ( pPic->iFrameNum == iFrameNum && !pPic->bIsLongRef){
iRet = AddLongTermToList(pRefPic,pPic,iLongTermFrameIdx);
}
}
return iRet;
}
static int32_t AssignLongTermIdx(PRefPic pRefPic,int32_t iFrameNum,int32_t iLongTermFrameIdx )
{
PPicture pPic = NULL;
int32_t iRet = ERR_NONE;
WelsDelLongFromListSetUnref(pRefPic,iLongTermFrameIdx,REMOVE_TARGET);
WelsDelLongFromListSetUnref(pRefPic,iLongTermFrameIdx,REMOVE_BASE);
pPic = WelsDelShortFromList(pRefPic,iFrameNum,REMOVE_TARGET);
if (pPic){
iRet = AddLongTermToList(pRefPic,pPic,iLongTermFrameIdx);
}else{
return ERR_INFO_INVALID_REF_MARKING;
}
pPic = NULL;
pPic = WelsDelShortFromList(pRefPic,iFrameNum,REMOVE_BASE);
if (pPic){
iRet = AddLongTermToList(pRefPic,pPic,iLongTermFrameIdx);
}
return iRet;
}
static int32_t MMCOProcess (PWelsDecoderContext pCtx, uint32_t uiMmcoType,
int32_t iShortFrameNum, uint32_t uiLongTermPicNum , int32_t iLongTermFrameIdx, int32_t iMaxLongTermFrameIdx) {
PRefPic pRefPic = &pCtx->sRefPic;
PPicture pPic = NULL;
int32_t i = 0;
int32_t iRet = ERR_NONE;
switch (uiMmcoType) {
case MMCO_SHORT2UNUSED:
pPic = WelsDelShortFromListSetUnref (pRefPic, iShortFrameNum);
if (pPic == NULL) {
WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING, "MMCO_SHORT2UNUSED: delete a empty entry from short term list");
}
break;
case MMCO_LONG2UNUSED:
pPic = WelsDelLongFromListSetUnref (pRefPic, uiLongTermPicNum);
if (pPic == NULL) {
WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING, "MMCO_LONG2UNUSED: delete a empty entry from long term list");
}
break;
case MMCO_SHORT2LONG:
if (iLongTermFrameIdx > pRefPic->iMaxLongTermFrameIdx) {
return ERR_INFO_INVALID_MMCO_LONG_TERM_IDX_EXCEED_MAX;
}
pPic = WelsDelShortFromList (pRefPic, iShortFrameNum);
if (pPic == NULL) {
WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING, "MMCO_LONG2LONG: delete a empty entry from short term list");
break;
}
WelsDelLongFromListSetUnref (pRefPic, iLongTermFrameIdx);
#ifdef LONG_TERM_REF
pCtx->bCurAuContainLtrMarkSeFlag = true;
pCtx->iFrameNumOfAuMarkedLtr = iShortFrameNum;
WelsLog (& (pCtx->sLogCtx), WELS_LOG_INFO, "ex_mark_avc():::MMCO_SHORT2LONG:::LTR marking....iFrameNum: %d",
pCtx->iFrameNumOfAuMarkedLtr);
#endif
MarkAsLongTerm (pRefPic, iShortFrameNum, iLongTermFrameIdx);
break;
case MMCO_SET_MAX_LONG:
pRefPic->iMaxLongTermFrameIdx = iMaxLongTermFrameIdx;
for (i = 0 ; i < pRefPic->uiLongRefCount[LIST_0]; i++) {
if (pRefPic->pLongRefList[LIST_0][i]->iLongTermFrameIdx > pRefPic->iMaxLongTermFrameIdx) {
WelsDelLongFromListSetUnref (pRefPic, pRefPic->pLongRefList[LIST_0][i]->iLongTermFrameIdx);
}
}
break;
case MMCO_RESET:
WelsResetRefPic (pCtx);
pCtx->bLastHasMmco5 = true;
break;
case MMCO_LONG:
if (iLongTermFrameIdx > pRefPic->iMaxLongTermFrameIdx) {
return ERR_INFO_INVALID_MMCO_LONG_TERM_IDX_EXCEED_MAX;
}
WelsDelLongFromListSetUnref (pRefPic, iLongTermFrameIdx);
if (pRefPic->uiLongRefCount[LIST_0] + pRefPic->uiShortRefCount[LIST_0] >= WELS_MAX (1, pCtx->pSps->iNumRefFrames)) {
return ERR_INFO_INVALID_MMCO_REF_NUM_OVERFLOW;
}
#ifdef LONG_TERM_REF
pCtx->bCurAuContainLtrMarkSeFlag = true;
pCtx->iFrameNumOfAuMarkedLtr = pCtx->iFrameNum;
WelsLog (& (pCtx->sLogCtx), WELS_LOG_INFO, "ex_mark_avc():::MMCO_LONG:::LTR marking....iFrameNum: %d",
pCtx->iFrameNum);
#endif
iRet = AddLongTermToList (pRefPic, pCtx->pDec, iLongTermFrameIdx);
break;
default :
break;
}
return iRet;
}
static int32_t MMCOProcess( PWelsDecoderContext pCtx,uint32_t uiMmcoType,bool_t bRefBasePic,
int32_t iShortFrameNum,uint32_t uiLongTermPicNum ,int32_t iLongTermFrameIdx,int32_t iMaxLongTermFrameIdx )
{
PRefPic pRefPic = &pCtx->sRefPic;
PPicture pPic = NULL;
int32_t i = 0;
int32_t iRet = ERR_NONE;
switch (uiMmcoType)
{
case MMCO_SHORT2UNUSED:
pPic = WelsDelShortFromListSetUnref(pRefPic,iShortFrameNum,(ERemoveFlag) bRefBasePic);
break;
case MMCO_LONG2UNUSED:
pPic = WelsDelLongFromListSetUnref(pRefPic,uiLongTermPicNum,(ERemoveFlag) bRefBasePic);
break;
case MMCO_SHORT2LONG:
if(iLongTermFrameIdx > pRefPic->iMaxLongTermFrameIdx){
return ERR_INFO_INVALID_MMCO_LONG_TERM_IDX_EXCEED_MAX;
}
pPic = WelsDelShortFromList(pRefPic,iShortFrameNum,REMOVE_TARGET);
WelsDelLongFromListSetUnref(pRefPic,iLongTermFrameIdx,REMOVE_TARGET);
WelsDelShortFromList(pRefPic,iShortFrameNum,REMOVE_BASE);
WelsDelLongFromListSetUnref(pRefPic,iLongTermFrameIdx,REMOVE_BASE);
#ifdef LONG_TERM_REF
pCtx->bCurAuContainLtrMarkSeFlag = true;
pCtx->iFrameNumOfAuMarkedLtr = iShortFrameNum;
WelsLog( pCtx, WELS_LOG_INFO, "ex_mark_avc():::MMCO_SHORT2LONG:::LTR marking....iFrameNum: %d\n", pCtx->iFrameNumOfAuMarkedLtr );
#endif
MarkAsLongTerm(pRefPic,iShortFrameNum,iLongTermFrameIdx);
break;
case MMCO_SET_MAX_LONG:
pRefPic->iMaxLongTermFrameIdx = iMaxLongTermFrameIdx;
for (i = 0 ;i <pRefPic->uiLongRefCount[LIST_0];i++) {
if (pRefPic->pLongRefList[LIST_0][i]->iLongTermFrameIdx > pRefPic->iMaxLongTermFrameIdx) {
WelsDelLongFromListSetUnref(pRefPic,pRefPic->pLongRefList[LIST_0][i]->iLongTermFrameIdx,REMOVE_BASE_FIRST);
}
}
break;
case MMCO_RESET:
WelsResetRefPic(pCtx);
pCtx->bLastHasMmco5 = true;
break;
case MMCO_LONG:
if(iLongTermFrameIdx > pRefPic->iMaxLongTermFrameIdx){
return ERR_INFO_INVALID_MMCO_LONG_TERM_IDX_EXCEED_MAX;
}
#ifdef LONG_TERM_REF
pCtx->bCurAuContainLtrMarkSeFlag = true;
pCtx->iFrameNumOfAuMarkedLtr = pCtx->iFrameNum;
WelsLog( pCtx, WELS_LOG_INFO, "ex_mark_avc():::MMCO_LONG:::LTR marking....iFrameNum: %d\n", pCtx->iFrameNum );
#endif
WelsDelLongFromListSetUnref(pRefPic,iLongTermFrameIdx,REMOVE_TARGET);
WelsDelLongFromListSetUnref(pRefPic,iLongTermFrameIdx,REMOVE_BASE);
iRet = AddLongTermToList(pRefPic,pCtx->pDec,iLongTermFrameIdx);
break;
default :
break;
}
return iRet;
}
