ref: 9a875532fd3f96cfbeb41cf40b3a8359d3d8e679
parent: 9efbef67b9d24aedcbbd170172da40c533b0f615
author: Licai Guo <guolicai@gmail.com>
date: Wed Jan 22 13:35:50 EST 2014
add level limits
--- a/codec/decoder/core/inc/parameter_sets.h
+++ b/codec/decoder/core/inc/parameter_sets.h
@@ -39,6 +39,18 @@
namespace WelsDec {+typedef struct TagLevelLimits {+ int32_t iMaxMBPS; // Max macroblock processing rate(MB/s)
+ int32_t iMaxFS; // Max frame sizea(MBs)
+ int32_t iMaxDPBMbs;// Max decoded picture buffer size(MBs)
+ int32_t iMaxBR; // Max video bit rate
+ int32_t iMaxCPB; // Max CPB size
+ int16_t iMinVmv; // Vertical MV component range upper bound
+ int16_t iMaxVmv; // Vertical MV component range lower bound
+ int16_t iMinCR; // Min compression ration
+ int16_t iMaxMvsPer2Mb; // Max number of motion vectors per two consecutive MBs
+} SLevelLimits;
+
/* Sequence Parameter Set, refer to Page 57 in JVT X201wcm */
typedef struct TagSps {int32_t iSpsId;
@@ -87,6 +99,7 @@
bool_t bQpPrimeYZeroTransfBypassFlag;
bool_t bSeqScalingMatrixPresentFlag;
bool_t bSeqScalingListPresentFlag[12];
+const SLevelLimits *pSLevelLimits;
} SSps, *PSps;
--- a/codec/decoder/core/src/au_parser.cpp
+++ b/codec/decoder/core/src/au_parser.cpp
@@ -479,8 +479,7 @@
int32_t iPicHeight = 0;
int32_t iBitSize = 0;
int32_t iErr = ERR_NONE;
- if (kiSrcLen <= 0)
- return iErr;
+
pBs = &pCtx->sBs; // SBitStringAux instance for non VCL NALs decoding
iBitSize = (kiSrcLen << 3) - BsGetTrailingBits (pRbsp + kiSrcLen - 1); // convert into bit
eNalType = pCtx->sCurNalHead.eNalUnitType;
@@ -629,6 +628,69 @@
return 0;
}
+// table A-1 - Level limits
+static const SLevelLimits g_kSLevelLimits[17] = {+ {1485, 99, 396, 64, 175, -256, 255, 2, 0x7fff}, /* level 1 */+ {1485, 99, 396, 128, 350, -256, 255, 2, 0x7fff}, /* level 1.b */+ {3000, 396, 900, 192, 500, -512, 511, 2, 0x7fff}, /* level 1.1 */+ {6000, 396, 2376, 384, 1000, -512, 511, 2, 0x7fff}, /* level 1.2 */+ {11880, 396, 2376, 768, 2000, -512, 511, 2, 0x7fff}, /* level 1.3 */+ {11880, 396, 2376, 2000, 2000, -512, 511, 2, 0x7fff}, /* level 2 */+ {19800, 792, 4752, 4000, 4000, -1024, 1023, 2, 0x7fff}, /* level 2.1 */+ {20250, 1620, 8100, 4000, 4000, -1024, 1023, 2, 0x7fff}, /* level 2.2 */+ {40500, 1620, 8100, 10000, 10000, -1024, 1023, 2, 32 }, /* level 3 */+ {108000, 3600, 18000, 14000, 14000, -2048, 2047, 4, 16}, /* level 3.1 */+ {216000, 5120, 20480, 20000, 20000, -2048, 2047, 4, 16}, /* level 3.2 */+ {245760, 8192, 32768, 20000, 25000, -2048, 2047, 4, 16}, /* level 4 */+ {245760, 8192, 32768, 50000, 62500, -2048, 2047, 2, 16}, /* level 4.1 */+ {522240, 8704, 34816, 50000, 62500, -2048, 2047, 2, 16}, /* level 4.2 */+ {589824, 22080, 110400, 135000, 135000, -2048, 2047, 2, 16}, /* level 5 */+ {983040, 36864, 184320, 240000, 240000, -2048, 2047, 2, 16}, /* level 5.1 */+ {2073600, 36864, 184320, 240000, 240000, -2048, 2047, 2, 16} /* level 5.2 */+};
+
+const SLevelLimits *GetLevelLimits(int32_t iLevelIdx, bool_t bConstraint3) {+ switch (iLevelIdx) {+ case 10:
+ return &g_kSLevelLimits[0];
+ case 11:
+ if(bConstraint3)
+ return &g_kSLevelLimits[1];
+ else
+ return &g_kSLevelLimits[2];
+ case 12:
+ return &g_kSLevelLimits[3];
+ case 13:
+ return &g_kSLevelLimits[4];
+ case 20:
+ return &g_kSLevelLimits[5];
+ case 21:
+ return &g_kSLevelLimits[6];
+ case 22:
+ return &g_kSLevelLimits[7];
+ case 30:
+ return &g_kSLevelLimits[8];
+ case 31:
+ return &g_kSLevelLimits[9];
+ case 32:
+ return &g_kSLevelLimits[10];
+ case 40:
+ return &g_kSLevelLimits[11];
+ case 41:
+ return &g_kSLevelLimits[12];
+ case 42:
+ return &g_kSLevelLimits[13];
+ case 50:
+ return &g_kSLevelLimits[14];
+ case 51:
+ return &g_kSLevelLimits[15];
+ case 52:
+ return &g_kSLevelLimits[16];
+ default:
+ return NULL;
+ }
+ return NULL;
+}
/*!
*************************************************************************************
* \brief to parse Sequence Parameter Set (SPS)
@@ -685,7 +747,7 @@
bConstraintSetFlags[5] = !!BsGetOneBit (pBs); // constraint_set5_flag
BsGetBits (pBs, 2); // reserved_zero_2bits, equal to 0
uiLevelIdc = BsGetBits (pBs, 8); // level_idc
-
+
iSpsId = BsGetUe (pBs); // seq_parameter_set_id
@@ -719,7 +781,12 @@
pCtx->bSpsAvailFlags[iSpsId] = true; // added for EC, 10/28/2009
#endif //MOSAIC_AVOID_BASED_ON_SPS_PPS_ID
}
-
+ const SLevelLimits *pSLevelLimits = GetLevelLimits(uiLevelIdc, bConstraintSetFlags[3]);
+ if (NULL == pSLevelLimits) {+ WelsLog (pCtx, WELS_LOG_WARNING, "ParseSps(): level_idx (%d).\n", uiLevelIdc);
+ return GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS, ERR_INFO_UNSUPPORTED_NON_BASELINE);
+ }
+ else pSps->pSLevelLimits = pSLevelLimits;
// syntax elements in default
pSps->uiChromaFormatIdc = 1;
pSps->uiBitDepthLuma =