shithub: openh264

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(1) remove the weighted prediction sytax limit
(2) fix the 4:0:0 support bug

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

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

@@ -1377,12 +1377,7 @@

   pPps->bWeightedPredFlag  = !!uiCode;

   WELS_READ_VERIFY (BsGetBits (pBsAux, 2, &uiCode)); //weighted_bipred_idc

   pPps->uiWeightedBipredIdc = uiCode;

-  if (pPps->uiWeightedBipredIdc != 0) {

-    WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING,

-             "ParsePps(): weighted_bipred_idc (%d) not supported.\n",

-             pPps->uiWeightedBipredIdc);

-    return GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS, ERR_INFO_UNSUPPORTED_WP);

-  }

+  // weighted_bipred_idc > 0 NOT supported now, but no impact when we ignore it

   WELS_READ_VERIFY (BsGetSe (pBsAux, &iCode)); //pic_init_qp_minus26

   pPps->iPicInitQp = PIC_INIT_QP_OFFSET + iCode;

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

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

@@ -535,6 +535,10 @@

   pCurDqLayer->pIntraPredMode[iMbXy][4] = pIntraPredMode[4 + 8 * 1];

   pCurDqLayer->pIntraPredMode[iMbXy][5] = pIntraPredMode[4 + 8 * 2];

   pCurDqLayer->pIntraPredMode[iMbXy][6] = pIntraPredMode[4 + 8 * 3];

+

+  if (pCtx->pSps->uiChromaFormatIdc == 0)

+    return ERR_NONE;

+

   if (pCurDqLayer->sLayerInfo.pPps->bEntropyCodingModeFlag) {

     WELS_READ_VERIFY (ParseIntraPredModeChromaCabac (pCtx, uiNeighAvail, iCode));

     if (iCode > MAX_PRED_MODE_ID_CHROMA) {