shithub: openh264

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Add MAX_DPB_COUNT equals to MAX_REF_PIC_COUNT + 1 to set the size of RefList
Make the reorder search range sync with JM

--- a/codec/decoder/core/inc/decoder_context.h

+++ b/codec/decoder/core/inc/decoder_context.h

@@ -143,9 +143,9 @@

 /**/

 typedef struct TagRefPic {

-  PPicture      pRefList[LIST_A][MAX_REF_PIC_COUNT];    // reference picture marking plus FIFO scheme

-  PPicture      pShortRefList[LIST_A][MAX_SHORT_REF_COUNT];

-  PPicture      pLongRefList[LIST_A][MAX_LONG_REF_COUNT];

+  PPicture      pRefList[LIST_A][MAX_DPB_COUNT];    // reference picture marking plus FIFO scheme

+  PPicture      pShortRefList[LIST_A][MAX_DPB_COUNT];

+  PPicture      pLongRefList[LIST_A][MAX_DPB_COUNT];

   uint8_t       uiRefCount[LIST_A];

   uint8_t       uiShortRefCount[LIST_A];

   uint8_t       uiLongRefCount[LIST_A]; // dependend on ref pic module

--- a/codec/decoder/core/inc/wels_const.h

+++ b/codec/decoder/core/inc/wels_const.h

@@ -46,6 +46,7 @@

 #define MIN_REF_PIC_COUNT               1               // minimal count number of reference pictures, 1 short + 2 key reference based?

 #define MAX_SHORT_REF_COUNT             16              // maximal count number of short reference pictures

 #define MAX_LONG_REF_COUNT              16              // maximal count number of long reference pictures

+#define MAX_DPB_COUNT			(MAX_REF_PIC_COUNT + 1) // 1 additional position for re-order and other process

 #define MAX_MMCO_COUNT                  66

--- a/codec/decoder/core/src/manage_dec_ref.cpp

+++ b/codec/decoder/core/src/manage_dec_ref.cpp

@@ -89,7 +89,7 @@

   pRefPic->uiRefCount[LIST_0] = 0;

-  for (i = 0; i < MAX_SHORT_REF_COUNT; i++) {

+  for (i = 0; i < MAX_DPB_COUNT; i++) {

     if (pRefPic->pShortRefList[LIST_0][i] != NULL) {

       SetUnRef (pRefPic->pShortRefList[LIST_0][i]);

       pRefPic->pShortRefList[LIST_0][i] = NULL;

@@ -97,7 +97,7 @@

   }

   pRefPic->uiShortRefCount[LIST_0] = 0;

-  for (i = 0; i < MAX_LONG_REF_COUNT; i++) {

+  for (i = 0; i < MAX_DPB_COUNT; i++) {

     if (pRefPic->pLongRefList[LIST_0][i] != NULL) {

       SetUnRef (pRefPic->pLongRefList[LIST_0][i]);

       pRefPic->pLongRefList[LIST_0][i] = NULL;

@@ -158,7 +158,7 @@

   PPicture* ppShoreRefList = pCtx->sRefPic.pShortRefList[LIST_0];

   PPicture* ppLongRefList  = pCtx->sRefPic.pLongRefList[LIST_0];

-  memset (pCtx->sRefPic.pRefList[LIST_0], 0, MAX_REF_PIC_COUNT * sizeof (PPicture));

+  memset (pCtx->sRefPic.pRefList[LIST_0], 0, MAX_DPB_COUNT * sizeof (PPicture));

   //short

   for (i = 0; i < pCtx->sRefPic.uiShortRefCount[LIST_0]; ++i) {

     pCtx->sRefPic.pRefList[LIST_0][iCount++ ] = ppShoreRefList[i];

@@ -179,7 +179,7 @@

   PSliceHeader pSliceHeader = &pCtx->pCurDqLayer->sLayerInfo.sSliceInLayer.sSliceHeaderExt.sSliceHeader;

   PPicture pPic = NULL;

   PPicture* ppRefList = pCtx->sRefPic.pRefList[LIST_0];

-  int32_t iMaxRefIdx = pCtx->pSps->iNumRefFrames + 1;

+  int32_t iMaxRefIdx = pCtx->pSps->iNumRefFrames;

   int32_t iRefCount = pCtx->sRefPic.uiRefCount[LIST_0];

   int32_t iPredFrameNum = pSliceHeader->iFrameNum;

   int32_t iMaxPicNum = 1 << pSliceHeader->pSps->uiLog2MaxFrameNum;

@@ -251,7 +251,7 @@

                  (i - iReorderingIndex)*sizeof (PPicture)); //confirmed_safe_unsafe_usage

       } else if (i < iReorderingIndex) {

         memmove (&ppRefList[1 + iReorderingIndex], &ppRefList[iReorderingIndex],

-                 (iMaxRefIdx - 1 - iReorderingIndex)*sizeof (PPicture));

+                 (iMaxRefIdx - iReorderingIndex)*sizeof (PPicture));

       }

       ppRefList[iReorderingIndex] = pPic;

       iReorderingIndex++;